CN204301223U - The electrostatic new blower fan of a kind of low noise with Total heat exchange - Google Patents

Abstract

The utility model relates to a low-noise electrostatic fresh air blower with full heat exchange, which comprises a casing provided with a filtering mechanism and a sensing mechanism, the sensing mechanism is connected to a main control board, an indoor air inlet pipe is arranged at the bottom of the casing, and an indoor air inlet pipe is arranged on the inner wall of the casing. Exhaust air duct, the exhaust air duct is connected with the indoor air inlet pipe, the end of the exhaust air duct is connected to the first air inlet of the total heat exchanger, and the first air outlet of the total heat exchanger is provided with a one-way centrifugal fan. The exhaust pipe is arranged on the chassis at the rear of the centrifugal fan; the outdoor air inlet pipe is arranged at the rear of the lower part of the chassis, and the filter mechanism and the total heat exchanger are arranged in the upper chassis of the outdoor air inlet pipe; the second inlet is arranged at the lower part of the total heat exchanger. The air outlet, the second air outlet on the upper part of the total heat exchanger is equipped with a two-way centrifugal fan; the side of the two-way centrifugal fan is correspondingly provided with two air outlet channels connected to the two fresh air outlets on the upper part of the chassis. The utility model has the advantages of small volume, energy saving, no need for pipeline layout procedures, simple installation, flexible economy, low noise and high heat exchange efficiency.

Description

A low-noise electrostatic fresh air fan with full heat exchange

technical field

The utility model belongs to the technical field of air conditioning, air humidification, ventilation, and the application of air flow as a screen, in particular to a low-noise electrostatic type with full heat exchange with reasonable layout of internal passages, small volume, low noise and power saving. New fan.

Background technique

With the development of economy, the progress of society, and the continuous improvement of human civilization, people's work, study, entertainment and other activities are more and more transferred from outdoor to indoor. Scientific research shows that indoor pollution is 5 to 10 times that of outdoors. On average, urban and rural residents in my country spend 70% of their time indoors, and in cities, this value is even as high as 80% to 90%. The Environmental Health Organization of Canada found that 68% of human diseases are caused by indoor air pollution. Indoor air quality has become an important factor affecting people's health.

Therefore, with the improvement of living standards, people have higher and higher requirements for indoor air quality. An air purifier that can efficiently remove dust and odor, has a certain effect in killing bacteria and viruses, has a long service life of the filter, and can release ions efficiently is what consumers need.

However, with the rapid development of the economic level and the Internet today, some specific work, study, entertainment, and purchase of daily necessities can be completed through the Internet without leaving home. People spend most of their time indoors. , although fresh air fans are effective air purification equipment that can circulate indoor air, the existing fresh air fans are often very large, and the wiring and piping are very complicated. When there is only one room that needs to be cleaned, the fresh air fans occupy Because of the larger size of the fresh air fan itself, it is necessary to use a larger power fan to complete the processing and discharge of indoor air and fresh air. The noise is very loud and consumes a lot of power, and the speed of heat exchange is also affected by the power. Need to lower.

Utility model content

The technical problem solved by the utility model is that in the prior art, the fresh air blower is often very large, and the wiring and piping are very complicated, so that when only one room needs to be cleaned, the fresh air blower occupies a large space, and Because the fresh air fan itself is large in size, it needs to use a larger power fan to complete the processing and discharge of indoor air and fresh air. The noise is very loud and consumes a lot of power. The speed of heat exchange is also affected by the power and needs to be reduced. An optimized low-noise electrostatic fresh air fan with full heat exchange is developed.

The technical scheme adopted by the utility model is, a low-noise electrostatic fresh air fan with full heat exchange, including a chassis, a filtering mechanism and a sensing mechanism are arranged in the chassis, and the sensing mechanism is connected to the main control board , the bottom of the chassis is provided with an indoor air inlet pipe, the inner wall of the cabinet is provided with an exhaust air duct, the exhaust air duct is connected to the indoor air inlet duct in space, and the end of the exhaust air duct is connected to To the first air inlet of the total heat exchanger, the first air outlet of the total heat exchanger is provided with a one-way centrifugal fan, and the cabinet at the rear of the one-way centrifugal fan is provided with an exhaust pipe; the cabinet An outdoor air inlet pipe is arranged behind the lower part, and the filter mechanism and the total heat exchanger are arranged in the cabinet above the outdoor air inlet pipe; a second air inlet is provided at the lower part of the total heat exchanger, and the total heat exchanger A two-way centrifugal fan is provided at the second air outlet on the upper part of the device; two air outlet channels are correspondingly provided on the side of the two-way centrifugal fan, and the air outlet channels are connected to the two fresh air outlets on the upper part of the chassis.

Preferably, the total heat exchanger is arranged obliquely in the cabinet.

Preferably, the filter mechanism includes a first filter layer, a high-voltage electrostatic filter device and a second filter layer arranged sequentially between the outdoor air inlet pipe and the total heat exchanger from bottom to top, the first filter layer, The ends of the high-voltage electrostatic filter device and the second filter layer are attached to the inner surface of the case respectively.

Preferably, said first filter layer comprises several layers of non-woven fabric.

Preferably, the second filter layer is an activated carbon filter layer and a deozone filter layer.

Preferably, the filter mechanism further includes a HEPA filter installed sequentially from bottom to top between each group of air outlet channels of the two-way centrifugal fan and the corresponding fresh air outlets.

Preferably, a sound insulation layer is provided in the two air outlet passages correspondingly provided on the sides of the two-way centrifugal fan.

Preferably, the sensing mechanism includes a dust sensor, a carbon dioxide sensor, an indoor temperature sensor and an outdoor temperature sensor.

Preferably, a micro switch is provided inside the case, the micro switch is attached to the door side of the case, and the micro switch is connected to the main control board.

Preferably, an interactive mechanism is provided on the chassis, the interactive mechanism includes a Wifi module, a display panel and an input module, and the interactive mechanism is connected to the main control board.

The utility model provides a low-noise electrostatic fresh air blower with full heat exchange in an optimized structure, which greatly reduces the volume of the fresh blower by simplifying the setting of air inlet and outlet channels in the cabinet; The exhaust air duct is set close to the inner wall of the chassis and directly leads to the total heat exchanger, which saves the vertical channel for indoor air intake, and a one-way centrifugal fan and an exhaust fan are arranged in sequence at the first air outlet of the total heat exchanger. The exhaust air is exhausted by the air duct; by setting a filter mechanism and a total heat exchanger above the outdoor air inlet duct in the chassis, and setting a two-way centrifugal fan at the second air outlet on the upper part of the total heat exchanger to cooperate with 2 air outlet channels and 2 There are two fresh air outlets, which can effectively divert the discharged fresh air, which not only discharges double fresh air under the same energy consumption, but also reduces noise because of the double flow. The utility model is small in size and can be used in a single room without causing waste of energy. Its exhaust mode without ducts saves the complicated procedures of laying ducts, and is suitable for houses that have been decorated. Compared with large-scale fresh air fans, it has the advantages of simple installation and economical Flexible and other advantages, low noise, low power consumption, high heat exchange efficiency.

Description of drawings

Fig. 1 is a schematic diagram of the internal structure of the cabinet of the present utility model;

Fig. 2 is a side view structural schematic diagram of the cabinet of the present invention after the door is opened.

Detailed ways

The utility model will be further described in detail below in conjunction with the embodiments, but the protection scope of the utility model is not limited thereto.

As shown in the figure, the utility model relates to a low-noise electrostatic fresh air fan with full heat exchange, including a chassis 1, and a filtering mechanism and a sensing mechanism 2 are arranged in the chassis 1, and the sensing mechanism 2 is connected to The main control board 3, the bottom of the chassis 1 is provided with an indoor air inlet duct 4, and the inner wall of the chassis 1 is provided with an exhaust air duct 5, and the exhaust air duct 5 communicates with the indoor air inlet duct 4 in space , the end of the exhaust air duct 5 is connected to the first air inlet 6-1 of the total heat exchanger, the first air outlet 6-2 of the total heat exchanger is provided with a one-way centrifugal fan 7, the The chassis 1 at the rear of the one-way centrifugal fan 7 is provided with an exhaust pipe 8; the rear of the bottom of the chassis 1 is provided with an outdoor air inlet pipe 9, and the filter mechanism and the total heat exchanger are arranged on the outdoor air inlet pipe 9. Inside the cabinet 1 above; the bottom of the total heat exchanger is provided with a second air inlet 6-3, and the second air outlet 6-4 on the top of the total heat exchanger is provided with a two-way centrifugal fan 10; the two-way centrifugal Two air outlet channels 11 are correspondingly provided on the side of the fan 10 , and the air outlet channels 11 are connected to two fresh air outlets 12 on the upper part of the chassis 1 .

In the utility model, by simply setting the air inlet and outlet channels in the cabinet 1, the exhaust air duct 5 of the indoor air is arranged close to the inner wall of the cabinet 1 and directly leads to the total heat exchanger, which saves the cost of the indoor air intake. Vertical passage, and the first air outlet 6-2 of the total heat exchanger is provided with a one-way centrifugal fan 7 and an exhaust pipe 8 to discharge exhaust gas, which greatly reduces the volume of the fresh fan. The utility model is small in size, and can be used for a single room without causing waste of energy. Its air exhaust mode without ducts saves complicated procedures for laying ducts, and is suitable for decorated houses.

In the utility model, a filter mechanism and a total heat exchanger are set above the outdoor air inlet pipe 9 in the cabinet 1, and a two-way centrifugal fan 10 is set at the second air outlet 6-4 on the top of the total heat exchanger to cooperate with 2 Two air outlet channels 11 and two fresh air outlets 12 effectively shunt the discharged fresh air, which not only discharges double fresh air under the same energy consumption situation, but also reduces noise because of the double flow. Simple, economical and flexible, low noise, low power consumption, high heat exchange efficiency.

In the utility model, the fan is set as a centrifugal fan, which ensures the best effect of the air being pumped and exhausted, and the purification intensity is higher.

The total heat exchanger is arranged obliquely in the cabinet 1 .

In the utility model, the total heat exchanger is set as a structure obliquely arranged in the cabinet 1, which ensures the largest heat exchange area. When the product is working, the indoor exhaust air and fresh air flow through the core of the heat exchanger respectively in a positive crossing manner. Due to the temperature difference and steam partial pressure difference in the airflow on both sides of the airflow partition plate, the two airflows show heat transfer when passing through the partition plate. A qualitative phenomenon, causing a total heat exchange process. During summer operation, the fresh air obtains cooling capacity from the exhaust air of the air conditioner, which lowers the temperature, and at the same time is dried by the air conditioner, reducing the moisture content of the fresh air; during winter operation, the fresh air obtains heat from the exhaust air of the air conditioning room, and the temperature rises. In this way, through the full heat exchange process of the heat exchange core, the fresh air can recover energy from the exhaust air of the air conditioner. The total heat exchanger has the advantages of high heat exchange efficiency, energy recovery without pollution, long service life, stable performance, and no need for cleaning.

In the utility model, the total heat exchanger adopts a paper total heat exchange material, which can not only exchange temperature, but also exchange humidity, which is different from the total heat exchanger made of metal or plastic. The characteristic of exchanging temperature but not humidity.

The filter mechanism includes a first filter layer 13, a high-voltage electrostatic filter device 14 and a second filter layer 15 arranged sequentially between the outdoor air inlet pipe 9 and the total heat exchanger from bottom to top, and the first filter layer 13. The ends of the high-voltage electrostatic filter device 14 and the second filter layer 15 are attached to the inner surface of the cabinet 1 respectively.

In the utility model, by setting the filter mechanism as the structure of the first filter layer 13, the high-voltage electrostatic filter device 14 and the second filter layer 15, the thorough filtration of the filter mechanism is ensured, and most of the dust and particulate matter in the air can be removed. Reduce the harm of floating dust, dust and particulate matter in the air to the human body.

In the utility model, the ends of the first filter layer 13, the high-voltage electrostatic filter device 14 and the second filter layer 15 are respectively attached to the inner surface of the cabinet 1 to ensure that the air to be purified will not flow from the gap between the cabinet 1 and the filter mechanism. Instead of passing through directly, it must pass through the filter mechanism to ensure that the air purification is in place and remove most of the dust and particulate matter in the air to the greatest extent.

In the utility model, the high-voltage electrostatic filter device 14 can release high-pressure rapid adsorption sterilization, thereby prolonging the service life of the HEPA filter, reducing the replacement frequency of the HEPA filter, and reducing the cost of use.

In the utility model, the high-voltage electrostatic filter device 14 generally adopts a first-stage 6000V electrostatic filter device 14 .

The first filter layer 13 includes several layers of non-woven fabrics.

In the utility model, the first filter layer 13 adopts some non-woven fabric layers as the coarse-effect filter layer, and it cooperates with the first-class 6000V electrostatic filter device 14 as the high-voltage electrostatic filter device 14, which can remove PM2.5 close to 90%, and The whole has no consumables, only the non-woven fabric layer and the first-level 6000V electrostatic filter device as the high-voltage electrostatic filter device 14 need to be cleaned in rotation.

The second filter layer 15 is an activated carbon filter layer and a deozone filter layer.

In the utility model, the second filter layer 15 is an active carbon filter layer and an ozone filter layer arranged in sequence, and as a high-efficiency filter, it can cooperate with a first-class 6000V electrostatic filter 14 as a high-voltage electrostatic filter 14, Remove ozone, remove odor, remove formaldehyde, etc., complete the secondary filtration operation, ensure the removal of remaining dust and particulate matter in the air, and ensure the health of users.

In the utility model, the activated carbon filter layer is made of activated carbon, and the activated carbon is a hydrophobic adsorbent prepared by carbonization and activation at high temperature, which contains a large number of micropores and has a huge specific surface area. , can effectively remove odor, and can remove organic pollutants and some inorganic substances in the gas, including some toxic heavy metals.

In the utility model, the deozone filter layer is generally a layer structure network with the deozone formula attached to the surface of the inner hole of the aluminum honeycomb base material. It has a compact structure, a large adsorption area, and smooth air flow. The ozone removal efficiency of the net layer is as high as 98%.

The filter mechanism also includes a HEPA filter 16 sequentially arranged between each group of air outlet channels 11 of the two-way centrifugal fan 10 and the corresponding fresh air outlets 12 from bottom to top.

In the utility model, the feature of the HEPA filter screen 16 is that air can pass through, but fine particles cannot pass through, and its removal efficiency for particles with a diameter of 0.3 microns (1/200 of the hair diameter) can reach more than 99.97%, which is The most effective filter medium for pollutants such as smoke, dust and bacteria.

In the utility model, the HEPA filter screen 16 is arranged between each group of air outlet channels 11 of the two-way centrifugal fan 10 and the corresponding fresh air outlet 12, which ensures that after the filtered wind is discharged from the two-way centrifugal fan 10, it is discharged into the room. Before, must pass through the HEPA filter screen 16, by the HEPA filter screen 16 it carries out the high-efficiency filtration for the last time.

The two air outlet passages 11 corresponding to the sides of the two-way centrifugal fan 10 are provided with sound insulation layers.

In the utility model, a sound insulation layer is provided in the two air outlet channels 11 correspondingly arranged on the sides of the two-way centrifugal fan 10, which ensures that the noise is reduced as much as possible, and can be used for a single room, making the utility model more suitable for small spaces.

In the utility model, various sound-absorbing materials can be used for the sound-insulating layer, and generally, the sound-insulating layer is set as sound-absorbing cotton.

The sensing mechanism 2 includes a dust sensor, a carbon dioxide sensor, an indoor temperature sensor and an outdoor temperature sensor.

In the utility model, the sensing mechanism 2 can be set to include a dust sensor and a carbon dioxide sensor to sense whether the amount of dust in the air or the carbon dioxide content reaches a value that triggers a specific operation mode of a certain fresh air blower. The sensing mechanism 2 can also be set to include a temperature sensors to control the operating temperature inside the case. At the same time, more possibilities can be selected for the setting of the sensing mechanism 2 according to actual needs, such as directly integrating the humidity sensor on the temperature sensor, or installing any other feasible sensor separately, which is a well-known technology for those skilled in the art.

The cabinet 1 is provided with a micro switch 17 , the micro switch 17 is pasted on the door side of the cabinet 1 , and the micro switch 17 is connected to the main control board 3 .

In the utility model, a micro switch 17 is arranged on the door side of the cabinet 1, and the working principle of the micro switch 17 is that the external mechanical force acts on the action reed through the transmission element (press pin, button, lever, roller, etc.) , when the action reed moves to the critical point, an instantaneous action is generated, so that the movable contact at the end of the action reed and the fixed contact are quickly connected or disconnected, and the switch function is completed. The micro switch 17 is attached to the door side of the cabinet 1. When the door of the cabinet 1 is closed, the micro switch 17 is in the closed state, and the machine can run; when the door of the cabinet 1 is opened, the micro switch 17 is in the open state. , the machine is controlled by the main control board 3 to stop running, which avoids the danger that may exist when the user improperly opens the door of the cabinet 1 .

The chassis 1 is provided with an interactive mechanism, the interactive mechanism includes a Wifi module, a display panel 18 and an input module, and the interactive mechanism is connected with the main control board 3 .

In the utility model, since functions such as the opening and closing of the air purifier of the prior art are limited to the control by the remote controller or the button control on the air purifier body, it is not intelligent and the degree of automation is low, so on the cabinet 1 The setting includes the interactive mechanism of the Wifi module, the display panel 18 and the input module. The Wifi module can complete the operation of remotely controlling the operation of the fresh air fan through the mutual communication between the smart phone and the Wifi module. The Wifi module and the display panel 18 can be used to synchronize on the smart phone. Or display the running status and indoor air quality status of the fresh air blower on the display panel 18.

The usage method of the utility model is as follows: open the switch button on the cabinet 1, and the fresh air blower is in the working mode; the outdoor air enters the cabinet 1 from the outdoor air inlet pipe 9, and after being roughly filtered by the first filter layer 13, it is then filtered through high-voltage electrostatic filtration. The device 14 absorbs and kills bacteria and viruses, decomposes harmful substances in the air through the second filter layer 15, enters the total heat exchanger through the second air inlet 6-3 of the total heat exchanger, and utilizes the two-way centrifugal fan 10 to rely on mechanical force The second air outlet 6-4 of the heat exchanger sends air out and sends air upward along the two air outlet channels 11, and then the HEPA filter 16 absorbs and decomposes fine particles in the air, removes harmful gases in the air, and finally the fresh air passes through The fresh air outlets 12 on both sides of the chassis 1 are output to the room; at the same time, the indoor air passes through the indoor air inlet pipe 4 at the bottom of the chassis 1, passes through the exhaust air duct 5, and enters the whole body through the first air inlet 6-1 of the total heat exchanger. The heat exchanger exchanges heat with the outdoor air, and the one-way centrifugal fan 7 is used to pass through the first air outlet 6-2 of the total heat exchanger to be discharged outside through the exhaust pipe 8.

The utility model solves the problem that in the prior art, the fresh air blower is often very large, and the wiring and pipe layout are very complicated. As a result, when only one room needs to be purified, the fresh air blower occupies a large space, and because the fresh air blower itself The volume is large, and a fan with a higher power is required to complete the processing and discharge of indoor air and fresh air. The noise is very loud and consumes a lot of power. The speed of heat exchange is also affected by the power and needs to be reduced. By simplifying the The air inlet and outlet channels are set, which greatly reduces the volume of the fresh air machine; by setting the indoor air exhaust air channel 5 close to the inner wall of the chassis 1 and directly leading to the total heat exchanger, the vertical space for indoor air intake is saved. To the passage, and set the one-way centrifugal fan 7 and the exhaust pipe 8 in sequence at the first air outlet 6-2 of the total heat exchanger to discharge the exhaust gas; A full heat exchanger, and a two-way centrifugal fan 10 is set at the second air outlet 6-4 on the upper part of the full heat exchanger to cooperate with 2 air outlet channels 11 and 2 fresh air outlets 12 to effectively divert the discharged fresh air. In the case of low energy consumption, double fresh air is discharged, and the noise is reduced because of the double flow. The utility model is small in size and can be used in a single room without causing waste of energy. Its exhaust mode without ducts saves the complicated procedures of laying ducts, and is suitable for houses that have been decorated. Compared with large-scale fresh air fans, it has the advantages of simple installation and economical Flexible and other advantages, low noise, low power consumption, high heat exchange efficiency.

Claims (10)

1. A low-noise electrostatic fresh air fan with full heat exchange, comprising a casing, a filter mechanism and a sensing mechanism are arranged in the casing, and the sensing mechanism is connected to the main control board, wherein the casing An indoor air inlet pipe is provided at the bottom, and an exhaust air duct is provided on the inner wall of the chassis, and the exhaust air duct communicates with the indoor air inlet pipe in space, and the end of the exhaust air duct is connected to a total heat exchange unit. The first air inlet of the device, the first air outlet of the total heat exchanger is provided with a one-way centrifugal fan, and the chassis at the rear of the one-way centrifugal fan is provided with an exhaust pipe; the rear of the lower part of the chassis is provided with The outdoor air inlet pipe, the filter mechanism and the total heat exchanger are arranged in the cabinet above the outdoor air inlet pipe; the lower part of the total heat exchanger is provided with a second air inlet, and the upper part of the total heat exchanger A two-way centrifugal fan is provided at the second air outlet; two air outlet channels are correspondingly provided on the side of the two-way centrifugal fan, and the air outlet channels are connected to two fresh air outlets on the upper part of the chassis. 2. A low-noise electrostatic fresh air fan with total heat exchange according to claim 1, characterized in that: the total heat exchanger is arranged obliquely in the cabinet. 3. A low-noise electrostatic fresh air fan with total heat exchange according to claim 1, characterized in that: the filter mechanism includes an outdoor air inlet pipe and a total heat exchanger arranged sequentially from bottom to top The first filter layer, the high-voltage electrostatic filter device and the second filter layer in between, the ends of the first filter layer, the high-voltage electrostatic filter device and the second filter layer are attached to the inner surface of the chassis respectively. 4. A low-noise electrostatic fresh air fan with total heat exchange according to claim 3, characterized in that: the first filter layer includes several layers of non-woven fabric. 5. A low-noise electrostatic fresh air fan with total heat exchange according to claim 3, characterized in that: the second filter layer is an activated carbon filter layer and a deozone filter layer. 6. A low-noise electrostatic fresh air fan with full heat exchange according to claim 1, characterized in that: the filter mechanism also includes a set of air outlet channels arranged sequentially from bottom to top in each group of two-way centrifugal fans And the HEPA filter between the corresponding fresh air outlet. 7. A low-noise electrostatic fresh air fan with total heat exchange according to claim 1, characterized in that: the two air outlet passages correspondingly arranged on the sides of the two-way centrifugal fan are provided with sound insulation layers. 8. A low-noise electrostatic fresh air fan with total heat exchange according to claim 1, characterized in that: the sensing mechanism includes a dust sensor, a carbon dioxide sensor, an indoor temperature sensor and an outdoor temperature sensor. 9. A low-noise electrostatic fresh air fan with full heat exchange according to claim 1, characterized in that: a micro switch is provided in the case, and the micro switch is attached to the door side of the case, The micro switch is connected with the main control board. 10. A low-noise electrostatic fresh air fan with full heat exchange according to claim 1, characterized in that: the chassis is provided with an interactive mechanism, the interactive mechanism includes a Wifi module, a display panel and an input module, The interaction mechanism is connected with the main control board.