CN216204073U

CN216204073U - Bidirectional bypass total heat exchange host

Info

Publication number: CN216204073U
Application number: CN202122531341.XU
Authority: CN
Inventors: 陈巍; 余晓龙; 陈魏方
Original assignee: Zhejiang Menred Environment Technology Co ltd
Current assignee: Zhejiang Menred Environment Technology Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-05
Anticipated expiration: 2031-10-19

Abstract

The application belongs to the field of fresh air systems, and relates to a bidirectional bypass total heat exchange host, which comprises a host shell, the main machine shell is internally provided with a heat exchange core group and is divided into an air inlet cavity, an air outlet cavity, an air return cavity and an air exhaust cavity, wherein the air inlet cavity is connected with the air outlet cavity through a fresh air channel of the heat exchange core group, the air return cavity is connected with the air exhaust cavity through a return air channel of the heat exchange core group, the air inlet cavity is separated from the air outlet cavity through a first air valve, the air outlet cavity is separated into a fresh air zigzag channel through a first noise reduction baffle plate, the two ends of the new air tortuous channel are respectively connected with a new air channel outlet and a new air outlet of the heat exchange core group, the air return cavity and the air exhaust cavity are separated by a second air valve, the air exhaust cavity is separated into a return air tortuous channel by a second noise reduction baffle plate, the two ends of the return air zigzag channel are respectively connected with the return air channel outlet and the return air outlet of the heat exchange core group. Effectively reduce noise and make air intake and air exhaust soft and uniform.

Description

Bidirectional bypass total heat exchange host

Technical Field

The utility model belongs to the field of fresh air systems, relates to a total heat exchange system, and particularly relates to a bidirectional bypass total heat exchange host.

Background

The total heat exchange host is a fresh air and exhaust air exchange device containing a total heat exchange core. When the product is in operation, indoor exhaust air and fresh air respectively flow through the heat exchanger core in a quadrature mode, because the temperature difference and the steam partial pressure difference exist in the air flow at the two sides of the airflow division plate, the heat and mass transfer phenomenon is presented when the two air flows pass through the division plate, and the total heat exchange process is caused. When the air conditioner runs in summer, the fresh air obtains cold energy from air exhaust of the air conditioner, so that the temperature is reduced, and meanwhile, the fresh air is dried by air of the air conditioner, so that the moisture content of the fresh air is reduced; when the air conditioner runs in winter, the fresh air is exhausted from the air conditioning room to obtain heat, and the temperature is increased. Therefore, the energy of the fresh air is recovered from the air exhaust of the air conditioner through the total heat exchange process of the heat exchange core body.

The Chinese utility model with the patent application number of CN201720191948.9 discloses a double-bypass total heat exchange device, which comprises a body, wherein a total heat exchanger is arranged in the body, one side of the body is provided with an air inlet and an air outlet, and the other side is provided with an air return opening and a fresh air opening; the air enters the fresh air inlet through the air inlet to form a first passage, and the air enters the exhaust outlet through the return air inlet to form a second passage; a first switch and a second switch are respectively arranged in the first passage and the second passage; this full heat exchange device of two bypasses opens the second switch through setting up two by-pass canals when indoor outer difference in temperature is big, and the air intake department is directly arrived to indoor return air, utilizes indoor relative high temperature air to reach the purpose of defrosting.

Above-mentioned technical scheme sets up two by-pass, can realize the regulation to new trend and return air route to adapt to different operating condition, nevertheless present total heat exchange device no matter is great at the operating noise when passing through the heat exchanger heat transfer or not passing through the heat exchanger heat transfer, seriously influences the result of use.

Disclosure of Invention

The application aims to solve the problems and provides a bidirectional bypass total heat exchange host;

in order to achieve the purpose, the utility model adopts the following technical scheme:

the application creatively provides a bidirectional bypass total heat exchange host, which comprises a host shell, wherein a heat exchange core group is arranged in the host shell, an air inlet cavity with a fresh air inlet, an air outlet cavity with a fresh air outlet, a return air cavity with a return air inlet and an air outlet cavity with a return air outlet are separated in the host shell, the air inlet cavity and the air outlet cavity are connected through a fresh air channel of the heat exchange core group, the return air cavity and the air outlet cavity are connected through a return air channel of the heat exchange core group, the air inlet cavity and the air outlet cavity are separated through a first air valve, the air outlet cavity is separated into a fresh air tortuous channel through a first noise reduction baffle, two ends of the fresh air tortuous channel are respectively connected with a fresh air channel outlet and a fresh air outlet of the heat exchange core group, the return air cavity and the air outlet cavity are separated through a second air valve, and the air outlet cavity is separated into a return air tortuous channel through a second noise reduction baffle, the two ends of the return air zigzag channel are respectively connected with the return air channel outlet and the return air outlet of the heat exchange core group.

In foretell full heat exchange host computer of two-way bypass, heat exchange core group includes first heat exchange core and second heat exchange core, the new trend passageway entry of the new trend passageway export intercommunication second heat exchange core of first heat exchange core, the return air passageway export of the return air passageway entry intercommunication second heat exchange core of second heat exchange core.

In the bidirectional bypass total heat exchange host, the first noise reduction partition plate comprises a first bypass guide part positioned on the air outlet side of the first air valve, a fresh air outlet guide part positioned on the outlet side of a fresh air channel of the heat exchange core group and a first partition part connecting the first bypass guide part and the fresh air outlet guide part, and one end of the first partition part, which is close to the first bypass guide part, is provided with a first vent hole;

the second noise reduction partition plate comprises a second bypass guide part located on the air outlet side of the second air valve, a return air outlet guide part located on the outlet side of a return air channel of the heat exchange core group and a second partition part connected with the second bypass guide part and the return air outlet guide part, and a second vent hole is formed in one end, close to the second bypass guide part, of the second partition part.

In the above-mentioned bidirectional bypass total heat exchange host, one end of the first bypass guide part is connected to one side of the first air valve, and the other end is connected to the first partition part, and an included angle smaller than 90 ° is formed between the first bypass guide part and the first air valve;

one end of the second bypass guide part is connected with one side of the second air valve, the other end of the second bypass guide part is connected with the second partition part, and an included angle smaller than 90 degrees is formed between the second bypass guide part and the second air valve.

In the bidirectional bypass total heat exchange host, one side of the first vent hole, which is close to the first air valve, is provided with a first silencing plate, one end of the first silencing plate is rotatably connected with the first noise reduction partition plate, and the other end of the first silencing plate is movably arranged in the fresh air tortuous channel;

and a second silencing plate is arranged on one side of the second vent hole, which is close to the second air valve, one end of the second silencing plate is rotatably connected with the second noise reduction partition plate, and the other end of the second silencing plate is movably arranged in the bent return air channel.

In the above-mentioned bidirectional bypass total heat exchange main machine, the first muffling plate is connected to the joint of the first bypass guiding portion and the first partition portion through the first rotating shaft, and the first muffling plate has a first blocking state in which the angle between the first muffling plate and the first partition portion is smaller than 90 ° and a first avoidance state in which the angle between the first muffling plate and the first partition portion is larger than 90 °;

the second silencing plate is connected to the joint of the second bypass guide part and the second partition part through a second rotating shaft and has a second blocking state and a second avoiding state, wherein the angle between the second blocking state and the second partition part is smaller than 90 degrees, and the angle between the second blocking state and the second partition part is larger than 90 degrees.

In the bidirectional bypass total heat exchange host, the first air valve comprises a first outer frame arranged at the turning port of the fresh air zigzag channel, a first blade arranged in the first outer frame and a first driving mechanism for driving the first blade to open and close;

the second air valve comprises a second outer frame arranged at the turning port of the return air zigzag channel, a second blade arranged in the second outer frame and a second driving mechanism for driving the second blade to open and close.

In the above bidirectional bypass total heat exchange main machine, the first driving mechanism is connected to the first rotating shaft through the first transmission mechanism to drive the first silencing plate to rotate, when the first driving mechanism drives the first blade to open, the first transmission mechanism enables the first silencing plate to be in a first blocking state, and when the first driving mechanism drives the first blade to close, the first transmission mechanism enables the first silencing plate to be in a first avoiding state;

the second driving mechanism is connected with the second rotating shaft through the second transmission mechanism to drive the second silencing plate to rotate, when the second driving mechanism drives the second blades to open, the second transmission mechanism enables the second silencing plate to be in a second blocking state, and when the second driving mechanism drives the second blades to close, the second transmission mechanism enables the second silencing plate to be in a second avoiding state.

In the above-mentioned two-way bypass total heat exchange mainframe, the first noise reduction partition board or the second noise reduction partition board includes a damping layer, a silencing cotton layer disposed on both sides of the damping layer, and a microporous plate disposed on the outer side of the silencing cotton layer and fixedly connected with the inner side of the housing, and micropores are uniformly disposed on the microporous plate.

In the above-mentioned two-way bypass total heat exchange host computer, first acoustical panel or second acoustical panel include the acoustical panel shell, and this acoustical panel shell both sides evenly are provided with the micropore, and the acoustical panel shell intussuseption is filled with the noise damping material, and first pivot and second pivot are connected respectively to the one end of first acoustical panel shell and the one end of second acoustical panel shell, and the both sides of acoustical panel shell support and lean on the upper and lower both sides at the casing.

Compared with the prior art, the utility model has the advantages that:

1) the utility model provides a bidirectional bypass total heat exchange host, which realizes the switching of fresh air and return air paths through the switching of two air valves, can flexibly meet the use requirements of different working conditions, has the function of energy conservation, and can greatly reduce noise when heat exchange is carried out or not carried out through a heat exchange core group by silencing through a fresh air tortuous channel and a return air tortuous channel, so that air inlet and air exhaust are soft and uniform.

2) Adopt two heat exchange cores, improved the heat transfer effect greatly, effectively improve the thermal efficiency of indoor outer air, promote the result of use.

3) The whole total heat exchange host is in a central symmetrical structure, so that the path length of fresh air is consistent with that of return air, the indoor and outdoor air flow exchange is balanced, and the heat transfer efficiency of cold and hot air flows is further ensured.

4) Set up the acoustical panel respectively at the tortuous passageway of new trend and the tortuous passageway of return air, adjust through rotating and reach the amortization to air current under the different route to prolong the bypass route, further strengthened acoustical panel and air current contact time, thereby very big optimization the noise cancelling effect.

Drawings

Fig. 1 is a schematic diagram of a bidirectional bypass total heat exchange host structure provided in the present application.

Fig. 2 is a schematic diagram of a bidirectional bypass total heat exchange host according to a state provided in the present application.

Fig. 3 is a schematic diagram of a bidirectional bypass total heat exchange host according to another embodiment of the present disclosure.

Fig. 4 is a partial structural schematic diagram provided in the present application.

Fig. 5 is a schematic cross-sectional structure provided in the present application.

Fig. 6 is a schematic structural view of a first acoustical panel provided by the present application.

In the figure, a shell 1, a heat exchange core group 2, a first heat exchange core 21, a second heat exchange core 22, an air inlet cavity 3, a fresh air inlet 31, an air outlet cavity 4, a first noise reduction partition plate 40, a first bypass guide part 401, a fresh air outlet guide part 402, a first partition part 403, a first vent hole 404, a fresh air outlet 41, a damping layer 411, a noise reduction cotton layer 412, a micropore plate 413, a return air cavity 5, a return air inlet 51, an air outlet cavity 6, a second bypass guide part 601, a return air outlet guide part 602, a second partition part 603, a second vent hole 604, a return air outlet 61, a first air valve 7, a first noise reduction plate 70, a first rotating shaft 71, a noise reduction plate shell 710, a noise reduction material 711, a first outer frame 72, a first blade 73, a first driving mechanism 74, a second air valve 8, a second noise reduction plate 80, a second rotating shaft 81, a second outer frame 82, a second blade 83, a second driving mechanism 84, A fresh air blower 91 and a return air blower 92.

Detailed Description

Further illustrated by the following specific examples;

example 1

As shown in fig. 1, fig. 2 and fig. 3, a bidirectional bypass total heat exchange host comprises a casing 1, wherein the casing 1 is provided with a heat exchange core group 2, and the casing 1 is divided into an air inlet cavity 3 with a fresh air inlet 31, an air outlet cavity 4 with a fresh air outlet 41, an air return cavity 5 with an air return inlet 51 and an air exhaust cavity 6 with an air return outlet 61, wherein the air inlet cavity 3 and the air outlet cavity 4 are connected through a fresh air channel of the heat exchange core group 2, and the air return cavity 5 and the air exhaust cavity 6 are connected through a return air channel of the heat exchange core group 2.

Divide through first blast gate 7 between air inlet chamber 3 and the air-out chamber 4, become the tortuous passageway of new trend through first baffle 40 of making an uproar that falls in the air-out chamber 4, the new trend channel outlet and the new trend air outlet 41 of heat exchange core group 2 are connected respectively to the both ends of this new trend tortuous passageway, and are provided with new trend fan 91 in the tortuous passageway of new trend.

The return air cavity 5 and the air exhaust cavity 6 are separated by the second air valve 8, the air exhaust cavity 6 is separated into a return air zigzag channel by the second noise reduction partition plate 60, the two ends of the return air zigzag channel are respectively connected with the return air channel outlet and the return air outlet 61 of the heat exchange core group 2, and the return air zigzag channel is internally provided with a return air fan 92.

Switching through two blast gates realizes the switching of new trend and return air route, can deal with the user demand of different operating modes in a flexible way, has energy-conserving effect to through making an uproar baffle separation formation new trend tortuous passageway and the tortuous passageway of return air carry out the amortization of making an uproar, can both the greatly reduced noise when the heat exchange core group heat transfer or not through the heat exchange core group heat transfer, make the air inlet with air exhaust soft even.

The air inlet cavity 3 and the air return cavity 5 are respectively provided with a filtering device.

In order to improve the heat exchange efficiency, the heat exchange core group 2 includes two heat exchange cores, i.e., a first heat exchange core 21 and a second heat exchange core 22. First heat exchange core 21 and second heat exchange core 22 are hexagon heat exchange core, and first heat exchange core 21 and second heat exchange core 22 are connected through a respective edge, make the new trend passageway entry of the new trend passageway export intercommunication second heat exchange core 22 of first heat exchange core 21, and the return air passageway entry of second heat exchange core 22 communicates the return air passageway export of second heat exchange core 22. Moreover, the fresh air channel outlet of the first heat exchange core 21 and the fresh air channel inlet side of the second heat exchange core 22 are connected with the casing 1 through a partition plate in a sealing manner to form a triangular prism-shaped air channel, and the return air channel inlet of the second heat exchange core 22 and the return air channel outlet side of the second heat exchange core 22 are also connected with the casing 1 through a partition plate in a sealing manner to form a triangular prism-shaped air channel.

Specifically, the first noise reduction partition plate 40 includes a first bypass guide portion 401 located on the air outlet side of the first air valve 7, a fresh air outlet guide portion 402 located on the outlet side of the fresh air channel of the heat exchange core group 2, and a first partition 403 connecting the first bypass guide portion 401 and the fresh air outlet guide portion 402, and a first vent 404 is disposed at one end of the first partition 403 close to the first bypass guide portion 401. The fresh air fan 91 is axially and correspondingly arranged on the air outlet side of the first vent 404.

The second noise reduction partition plate 60 comprises a second bypass guide part 601 positioned on the air outlet side of the second air valve 8, a return air outlet guide part 602 positioned on the outlet side of a return air channel of the heat exchange core group 2 and a second partition part 603 connecting the second bypass guide part 601 and the return air outlet guide part 602, and a second vent hole 604 is formed in one end, close to the second bypass guide part 601, of the second partition part 603. The return air blower 92 is axially disposed at the air outlet side of the second vent hole 604.

More specifically, one end of the first bypass guide portion 401 is connected to one side of the first damper 7, and the other end is connected to the first partition 403, and an included angle of less than 90 ° is formed between the first bypass guide portion 401 and the first damper 7.

One end of the second bypass guide portion 601 is connected to one side of the second air flap 8, and the other end is connected to the second partition portion 603, and an included angle smaller than 90 ° is formed between the second bypass guide portion 601 and the second air flap 8.

The first bypass guide part 401 and the second bypass guide part 601 are used for silencing the airflow at the outlet side of the first air valve 7 and the second air valve 8, and are obliquely arranged to achieve the effects of reducing the wind speed and guiding. The fresh air outlet guide part 402 and the return air outlet guide part 602 are respectively used for silencing the air flow at the fresh air channel outlet and the return air channel outlet of the heat exchange core group 2, and are obliquely arranged to achieve the effects of reducing the air speed and guiding.

The air flow is deflected for a plurality of times by the first and second

noise reduction partitions

40 and 60 in a zigzag shape to reduce noise.

As shown in fig. 4, the first air valve 7 includes a first outer frame 72 disposed at the turning port of the fresh air zigzag passage, a first blade 73 disposed in the first outer frame 72, and a first driving mechanism 74 for driving the first blade 73 to open and close.

The second damper 8 includes a second outer frame 82 provided at the return air meandering passage turning port, a second blade 83 provided in the second outer frame 82, and a second driving mechanism 84 for driving the second blade 83 to open and close.

Specifically, taking the first air valve 7 as an example, a plurality of first blades 73 are longitudinally or transversely arranged in the first outer frame 72, in a closed state, the adjacent first blades 73 are overlapped with each other, a rotating shaft is arranged in each first blade 73, a connecting portion 730 is arranged on the same side of each first blade 73, one end of each connecting portion 730 on the first air valve 7 is hinged to the same connecting rod 731, the rotating shaft of one first blade 73 is connected with a first driving mechanism 74, the first driving mechanism 74 drives the blades to open and close through reciprocating rotation, and the first driving mechanism 74 can be electrically driven by a motor or mechanically driven by a mechanical knob.

The second air damper 8 and the first air damper 7 have the same structure, and the first outer frame 72, the first blade 73, and the first driving mechanism 74 may be replaced with a second outer frame 82, a second blade 83, and a second driving mechanism 84, respectively.

As shown in fig. 5, each of the first noise reduction partition plate 40 and the second noise reduction partition plate 60 includes a damping layer 411, silencing cotton layers 412 disposed on two sides of the damping layer 411, and a micro-porous plate 413 disposed on the outer side of the silencing cotton layer 412 and fixedly connected to the inner side of the casing 1, wherein micro-pores are uniformly disposed on the micro-porous plate 413.

The damping layer 411 is made of single-layer or multi-layer rubber, and air flow on two sides can be blocked by the damping layer 411 and meanwhile the damping layer replaces a hard blocking layer to play a role in absorbing noise.

The first noise reduction partition plate 40 or the second noise reduction partition plate 60 has a double-sided noise reduction effect through a composite structure.

The working principle of the utility model is as follows:

under the big operating mode of indoor outer difference in temperature, close first blast gate 7 and second blast gate 8, new trend and return air carry out the heat exchange through the new trend passageway and the return air passageway of heat exchange core group 2 respectively to discharge casing body 1 after the noise is weakened repeatedly through the tortuous passageway of new trend and the tortuous passageway of return air.

Under the little operating mode of indoor outer difference in temperature, open first blast gate 7 and second blast gate 8, new trend and return air are respectively through first blast gate 7 and the tortuous passageway of second blast gate 8 entering new trend tortuous passageway and the tortuous passageway of return air, carry out the air current direction under the effect of the baffle of making an uproar 40 or the baffle 60 is fallen to the second of making an uproar respectively, and the noise is weakened, then the discharge casing body 1.

Example 2

This embodiment is substantially the same as embodiment 1 except that, in addition to embodiment 1, as shown in fig. 2 and 3, a first muffling plate 70 and a second muffling plate 80 are added.

Specifically, a first sound-absorbing plate 70 is disposed on one side of the first vent hole 404 close to the first air valve 7, one end of the first sound-absorbing plate 70 is rotatably connected to the first noise-reducing partition plate 40, and the other end of the first sound-absorbing plate is movably disposed in the tortuous fresh air passage and located on the air inlet side of the fresh air fan 91.

The second vent hole 604 is provided with a second acoustical panel 80 near one side of the second air valve 8, one end of the second acoustical panel 80 is rotatably connected with the second noise reduction partition plate 60, and the other end is movably arranged in the return air zigzag channel and is positioned at the air inlet side of the return air fan 92.

The first muffling plate 70 is connected to a joint of the first bypass guide portion 401 and the first partition 403 through the first rotating shaft 71, and the first muffling plate 70 has a first blocking state in which an angle with the first partition 403 is smaller than 90 ° and a first escape state in which an angle with the first partition 403 is larger than 90 °.

Preferably, the first sound-deadening plate 70 has a first blocking state in which it makes an angle of less than 45 ° with the first partition 403 and a first escape state in which it makes an angle of more than 180 ° with the first partition 403. So as to achieve better blocking and avoiding effects.

The second muffling plate 80 is connected to the joint of the second bypass guide portion 601 and the second partition portion 603 through a second rotating shaft 81, and the second muffling plate 80 has a second blocking state in which the angle with the second partition portion 603 is smaller than 90 ° and a second escape state in which the angle with the second partition portion 603 is larger than 90 °.

Preferably, the second sound-deadening plate 80 has a second blocked state in which it makes an angle of less than 45 ° with the second partition 603 and a second retracted state in which it makes an angle of more than 180 ° with the second partition 603.

As shown in fig. 4, the first driving mechanism 74 is connected to the first rotating shaft 71 through a first transmission mechanism 75 to drive the first sound-absorbing plate 70 to rotate, when the first driving mechanism 74 drives the first vane 73 to open, the first transmission mechanism 75 makes the first sound-absorbing plate 70 in a first blocking state, and when the first driving mechanism 74 drives the first vane 73 to close, the first transmission mechanism 75 makes the first sound-absorbing plate 70 in a first avoidance state.

The second driving mechanism 84 is connected with the second rotating shaft 81 through a second transmission mechanism 85 to drive the second silencing plate 80 to rotate, when the second driving mechanism 84 drives the second blades 83 to open, the second transmission mechanism 85 enables the second silencing plate 80 to be in a second blocking state, and when the second driving mechanism 84 drives the second blades 83 to close, the second transmission mechanism 85 enables the second silencing plate 80 to be in a second avoiding state.

The first transmission mechanism 75 and the second transmission mechanism 85 have the same structure, and taking the first transmission mechanism 75 as an example, the first transmission mechanism 75 includes a transmission gear 750 axially connected to the first driving mechanism 74 and a driven gear 751 axially connected to the first rotating shaft 71, and the transmission gear 750 and the driven gear 751 are engaged. The transmission ratios of the driving gear 750 and the driven gear 751 are set differently according to the rotational angles of the first blades 73 and the first sound-deadening plates 70.

As shown in fig. 6, the first sound-absorbing plate 70 or the second sound-absorbing plate 80 comprises a sound-absorbing plate shell 710, micropores are uniformly arranged on two sides of the sound-absorbing plate shell 710, sound-absorbing materials 711 are filled in the sound-absorbing plate shell 710, one end of the sound-absorbing plate shell 710 of the first sound-absorbing plate 70 and one end of the sound-absorbing plate shell 710 of the second sound-absorbing plate 80 are respectively connected with the first rotating shaft 71 and the second rotating shaft 81, and two sides of the sound-absorbing plate shell 710 abut against the upper side and the lower side of the shell 1.

Sound dampening material 711 is sound dampening cotton.

The working principle of the utility model is as follows:

under the big operating mode of indoor outer difference in temperature, close first blast gate 7 and second blast gate 8, simultaneously, first acoustical panel 70 and second acoustical panel 80 are in first state of dodging and the second state of dodging respectively, and new trend and return air carry out the heat exchange through the new trend passageway and the return air passageway of heat exchange core group 2 respectively to discharge casing body 1 after the noise is weakened repeatedly through the tortuous passageway of new trend and the tortuous passageway of return air.

Under the little operating mode of indoor outer difference in temperature, open first blast gate 7 and second blast gate 8, simultaneously, first acoustical panel 70 and second acoustical panel 80 are in first state and the second state of blockking respectively, and new trend and return air get into the tortuous passageway of new trend and the tortuous passageway of return air through first blast gate 7 and second blast gate 8 respectively to receive blockking of first acoustical panel 70 and second acoustical panel 80, avoid directly being taken out by the fan, thereby further noise reduction.

Comparative example

This comparative example is the same as embodiment 1 basically, and the difference lies in, cancels first fall make an uproar baffle 40 and the second fall make an uproar baffle 60, and the air outlet of new trend fan 91 is towards new trend air outlet 41, and the air outlet of return air fan 92 is towards return air outlet 61.

Application example

The example 1, the example 2 and the comparative example are respectively arranged in a closed test room of the same room and adjusted to the same air volume of 250m³And/h, testing a first state that the first air valve 7 and the second air valve 8 are closed and a second state that the first air valve 7 and the second air valve 8 are opened at the same distance to perform a noise test, wherein the test results are as follows.

The result shows that the bidirectional bypass total heat exchange host provided by the application, especially the embodiment 2, has better silencing effect.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the case 1, the heat exchange core assembly 2, the first heat exchange core 21, the second heat exchange core 22, the air inlet chamber 3, the fresh air inlet 31, the air outlet chamber 4, the first noise reduction partition 40, the first bypass guide 401, the fresh air outlet guide 402, the first partition 403, the first vent 404, the fresh air outlet 41, the damping layer 411, the noise reduction cotton layer 412, the micro-perforated plate 413, the return air chamber 5, the return air inlet 51, the air outlet chamber 6, the second bypass guide 601, the return air outlet guide 602, the second partition 603, the second vent 604, the return air outlet 61, the first air valve 7, the first sound-deadening plate 70, the first rotating shaft 71, the sound-deadening plate case 710, the sound-deadening material 711, the first outer frame 72, the first blade 73, the first driving mechanism 74, the second air valve 8, the second sound-deadening plate 80, the second rotating shaft 81, the second outer frame 82, the second blade 83, the second noise-reducing plate 83, the first outer frame 72, the second noise-reducing partition plate 31, the second noise-reducing partition plate, Second drive mechanism 84, fresh air blower 91, return air blower 92, and the like. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims

1. The utility model provides a full heat exchange host computer of two-way bypass, including casing (1), air inlet chamber (3) that separate in this casing (1) and have new trend air intake (31) have heat exchange core group (2), air outlet chamber (4) that have new trend air outlet (41), return air chamber (5) that have return air intake (51) and air exhaust chamber (6) that have return air outlet (61), wherein air inlet chamber (3) and air outlet chamber (4) are through the new trend access connection of heat exchange core group (2), return air chamber (5) and air exhaust chamber (6) are connected through the return air channel of heat exchange core group (2), its characterized in that: separate through first blast gate (7) between air inlet chamber (3) and the chamber of bleeding (4), become the tortuous passageway of new trend through first baffle (40) of making an uproar of falling in the chamber of bleeding (4), the new trend channel export and the new trend air outlet (41) of heat exchange core group (2) are connected respectively to the both ends of this new trend tortuous passageway, separate through second blast gate (8) between return air chamber (5) and the chamber of airing exhaust (6), fall baffle (60) of making an uproar through the second in the chamber of airing exhaust (6) and separate into the tortuous passageway of return air, the return air channel export and return air outlet (61) of heat exchange core group (2) are connected respectively to the both ends of this tortuous passageway of return air.

2. The bi-directional bypass total heat exchange host of claim 1, wherein: the heat exchange core group (2) comprises a first heat exchange core (21) and a second heat exchange core (22), the fresh air channel outlet of the first heat exchange core (21) is communicated with the fresh air channel inlet of the second heat exchange core (22), and the return air channel inlet of the second heat exchange core (22) is communicated with the return air channel outlet of the second heat exchange core (22).

3. The bi-directional bypass total heat exchange host of claim 1, wherein: the first noise reduction partition plate (40) comprises a first bypass guide part (401) positioned on the air outlet side of the first air valve (7), a fresh air outlet guide part (402) positioned on the outlet side of a fresh air channel of the heat exchange core group (2) and a first partition part (403) connecting the first bypass guide part (401) and the fresh air outlet guide part (402), and one end, close to the first bypass guide part (401), of the first partition part (403) is provided with a first vent hole (404);

the second noise reduction partition plate (60) comprises a second bypass guide part (601) located on the air outlet side of the second air valve (8), a return air outlet guide part (602) located on the outlet side of a return air channel of the heat exchange core group (2) and a second partition part (603) connected with the second bypass guide part (601) and the return air outlet guide part (602), and a second vent hole (604) is formed in one end, close to the second bypass guide part (601), of the second partition part (603).

4. The bi-directional bypass total heat exchange host of claim 3, wherein: one end of the first bypass guide part (401) is connected with one side of the first air valve (7), the other end of the first bypass guide part is connected with the first separating part (403), and an included angle smaller than 90 degrees is formed between the first bypass guide part (401) and the first air valve (7);

one end of the second bypass guide part (601) is connected with one side of the second air valve (8), the other end of the second bypass guide part is connected with the second partition part (603), and an included angle smaller than 90 degrees is formed between the second bypass guide part (601) and the second air valve (8).

5. The bi-directional bypass total heat exchange host of claim 4, wherein: a first silencing plate (70) is arranged on one side, close to the first air valve (7), of the first vent hole (404), one end of the first silencing plate (70) is rotatably connected with the first noise reduction partition plate (40), and the other end of the first silencing plate is movably arranged in the fresh air tortuous channel;

and a second silencing plate (80) is arranged on one side of the second ventilation hole (604) close to the second air valve (8), one end of the second silencing plate (80) is rotatably connected with the second noise reduction partition plate (60), and the other end of the second silencing plate is movably arranged in the return air tortuous channel.

6. The bi-directional bypass total heat exchange host of claim 5, wherein: the first silencing plate (70) is connected to the joint of the first bypass guide part (401) and the first partition part (403) through a first rotating shaft (71), and the first silencing plate (70) has a first blocking state with an included angle of less than 90 degrees with the first partition part (403) and a first avoidance state with an included angle of more than 90 degrees with the first partition part (403);

the second silencing plate (80) is connected to the joint of the second bypass guide part (601) and the second partition part (603) through a second rotating shaft (81), and the second silencing plate (80) has a second blocking state with an included angle smaller than 90 degrees with the second partition part (603) and a second avoiding state with an included angle larger than 90 degrees with the second partition part (603).

7. The bi-directional bypass total heat exchange host of claim 6, wherein: the first air valve (7) comprises a first outer frame (72) arranged at a turning port of the fresh air zigzag channel, a first blade (73) arranged in the first outer frame (72) and a first driving mechanism (74) for driving the first blade (73) to open and close;

the second air valve (8) comprises a second outer frame (82) arranged at a turning port of the return air zigzag channel, a second blade (83) arranged in the second outer frame (82), and a second driving mechanism (84) for driving the second blade (83) to open and close.

8. The bi-directional bypass total heat exchange host of claim 7, wherein: the first driving mechanism (74) is connected with the first rotating shaft (71) through a first transmission mechanism (75) to drive the first silencing plate (70) to rotate, when the first driving mechanism (74) drives the first blade (73) to be opened, the first transmission mechanism (75) enables the first silencing plate (70) to be in a first blocking state, and when the first driving mechanism (74) drives the first blade (73) to be closed, the first transmission mechanism (75) enables the first silencing plate (70) to be in a first avoiding state;

the second driving mechanism (84) is connected with the second rotating shaft (81) through a second transmission mechanism (85) to drive the second silencing plate (80) to rotate, when the second driving mechanism (84) drives the second blade (83) to open, the second transmission mechanism (85) enables the second silencing plate (80) to be in a second blocking state, and when the second driving mechanism (84) drives the second blade (83) to close, the second transmission mechanism (85) enables the second silencing plate (80) to be in a second avoiding state.

9. The bi-directional bypass total heat exchange host of claim 1, wherein: baffle (40) or the second of making an uproar all include damping layer (411), locate cotton layer of amortization (412) of damping layer (411) both sides and locate cotton layer of amortization (412) outside and casing (1) inboard fixed connection's micropore board (413), evenly be provided with the micropore on this micropore board (413).

10. The bi-directional bypass total heat exchange host of claim 6, wherein: first acoustical panel (70) or second acoustical panel (80) include acoustical panel shell (710), and this acoustical panel shell (710) both sides evenly are provided with the micropore, and acoustical panel shell (710) intussuseption is filled with noise damping material (711), and first pivot (71) and second pivot (81) are connected respectively to the one end of first acoustical panel (70) acoustical panel shell (710) and the one end of second acoustical panel (80) acoustical panel shell (710), and the both sides of acoustical panel shell (710) support and lean on the upper and lower both sides at casing (1).