CN206222602U - A kind of intelligent aeration case - Google Patents

Abstract

The utility model relates to the technical field of environmental protection, and discloses an intelligent ventilation box, which comprises a first box body, on which a fresh air inlet, a fresh air outlet, an exhaust air inlet, an exhaust air outlet, a single-chip microcomputer, an indoor air detection device and Outdoor air monitoring device; the first box is equipped with a full heat exchange core and four partitions, the full heat exchange core is located in the center of the first box, and the first The box is divided into an outdoor fresh air entry area, a fresh air discharge area, an indoor air discharge area, and an air discharge area. A first temperature sensor is provided at the exhaust air outlet, and a second temperature sensor is provided at the fresh air outlet; The fresh air entering area is equipped with the first blower, the first motor, the second motor, the first baffle and the first air filter device. This kind of intelligent ventilation box implements different ventilation methods according to different seasons and climates to improve the indoor air quality. Quality, while saving energy and increasing the service life of equipment.

Description

A smart ventilation box

technical field

The utility model relates to the technical field of environmental protection, in particular to an intelligent ventilation box.

Background technique

In recent years, people have paid more and more attention to indoor air quality. With the deterioration of outdoor air quality, traditional window ventilation can no longer meet people's requirements for air cleanliness. Simple window ventilation sometimes even aggravates indoor pollution. degree. Therefore, the air sent into the room must be purified and filtered, and only in this way can people's requirements for fresh air be met. In addition, building energy consumption accounts for a relatively large proportion of my country's energy consumption, so the use of equipment with heat recovery devices will greatly reduce building energy consumption. In addition, with the increasing popularity of intelligent equipment, people enjoy the benefits of intelligent Therefore, the utility model intends to install the intelligent control system in the equipment, and select the most reasonable ventilation method according to different seasons and climate conditions, so that it can not only increase the service life of the equipment, but also It can greatly reduce energy consumption and provide fresh air for the room.

At present, most fresh air fans on the market have a single ventilation method, which does not take into account seasonal changes and various changes in ventilation methods. Not only will it be thought that long-term uninterrupted operation will reduce the life of the equipment used, but also due to the single ventilation method, The energy-saving efficiency is not very high, and the energy-saving effect is remarkable only in a certain period, and the current ventilation device seldom links automatic control with intelligence. Aiming at the above shortcomings, the utility model intends to create an intelligently controlled ventilation system, so that it has different ventilation modes in different seasons and different climates, so that it can not only save energy and improve indoor air quality better and more effectively, The service life of the equipment is extended, and manual operation is not required, which realizes the intelligence of the equipment and the simplification of personnel operation.

Utility model content

The utility model provides an intelligent ventilation box, which can solve the above-mentioned problems in the prior art.

The utility model provides an intelligent ventilation box, comprising: a first box body, on which a fresh air inlet, a fresh air outlet, an exhaust air inlet, an exhaust air outlet, a single-chip microcomputer, an indoor air detection device and an outdoor air monitoring device are arranged. ; The first box is provided with a full heat exchange core and four partitions, the full heat exchange core is located in the center of the first box, and the first box is divided into two parts by the full heat exchange core and four partitions The outdoor fresh air enters the area, the fresh air discharges into the indoor area, the indoor air discharge area, and the air discharges into the outdoor area. The fresh air inlet is connected with the outdoor fresh air intake area, the fresh air outlet is connected with the fresh air discharge into the indoor area, and the exhaust air inlet is connected with the indoor air discharge area. , the exhaust air outlet is connected with the air discharged into the outdoor area; the exhaust air outlet is provided with a first temperature sensor, and the fresh air outlet is provided with a second temperature sensor;

The outdoor fresh air inlet area is provided with a first blower, a first motor, a second motor, a first air filter device and a first baffle that can prevent fresh air from entering the total heat exchange core through the first air filter device after being closed, The first blower is arranged near the fresh air inlet, the first air filter is arranged near the total heat exchange core, the first baffle is connected to the first motor shaft, and the first air filter is connected to the second motor shaft;

A second air blower is provided in the indoor area where the fresh air is discharged, and the second air blower is arranged near the fresh air outlet;

The outdoor fresh air enters the area, the total heat exchange core and the fresh air is discharged into the indoor area to form a fresh air channel;

The indoor air discharge area is provided with a first exhaust fan, and the air is discharged into the outdoor area and a second exhaust fan is provided; the indoor air discharge area, the total heat exchange core and the air discharged into the outdoor area form an exhaust channel; The first temperature sensor, the second temperature sensor, the indoor air detection device and the outdoor air monitoring device are respectively connected with the input end of the single chip microcomputer, the first motor, the second motor, the first blower, the second blower, the first exhaust fan and the second The exhaust fans are respectively connected with the output terminals of the single chip microcomputer.

Further, a third motor, a fourth motor, a second air filter device and a second baffle plate that can prevent air from passing through the second air filter device after being closed are also provided in the indoor area where the fresh air is discharged, and the second air filter device The second baffle is connected to the shaft of the third motor, the second air filter is connected to the shaft of the fourth motor, and the third motor and the fourth motor are respectively connected to the output end of the single-chip microcomputer.

Further, it also includes a second box body, the second box body is provided with a first channel communicating with the outdoor fresh air inlet area and a second channel communicating with the fresh air discharge into the indoor area, and a second channel is provided between the first channel and the second channel. Three air filter devices, the third baffle plate that can prevent fresh air from passing through the third air filter device after closing, the fifth motor and the sixth motor, the third air filter device is connected to the sixth motor shaft, the fifth motor and the sixth motor are respectively Connect with the output terminal of the one-chip computer.

Further, both the indoor air detection device and the outdoor air monitoring device are TVOC air quality monitors.

Further, the first air filter device, the second air filter device and the third air filter device are all HEPA high-efficiency filter screens.

Compared with the prior art, the utility model has the beneficial effects of:

The utility model detects the indoor temperature through the first temperature sensor, detects the outdoor temperature through the second temperature sensor, detects the indoor air quality through the indoor air detection device, and detects the outdoor air quality through the outdoor air detection device. According to the indoor and outdoor air quality conditions, determine whether to start the baffle and air filter device to perform air filtration and air heat exchange. This series of actions are all operated by the system itself, without human operation, realizing the intelligence of the equipment. According to different seasons Different climates implement different ventilation methods to improve indoor air quality, while saving energy better and more effectively and increasing the service life of equipment.

Description of drawings

Fig. 1 is a schematic structural diagram of an intelligent ventilation box provided by Embodiment 1 of the present utility model.

Fig. 2 is a schematic structural diagram of a second box body of an intelligent ventilation box provided by the second embodiment of the utility model.

Fig. 3 is a schematic diagram of the structural principle of a total heat exchange core in an intelligent ventilation box provided by the utility model.

Explanation of reference signs:

1. First box; 2. Fresh air inlet; 3. Fresh air outlet; 4. Exhaust air outlet; 5. Exhaust air inlet; 6. First temperature sensor; 7. Second temperature sensor; 8. First motor; 9 1. The first baffle; 10. The first air filter; 11. The total heat exchange core; 12. The second air filter; 13. The second baffle; 14. The third motor; 15. The first blower; 16. The second blower; 17, the first exhaust fan; 18, the second exhaust fan; 19, single-chip microcomputer; 20, indoor air detection device; 21, the second box; 22, the fifth motor; 23, the third baffle; 24 , the third air filter device; 25, the first channel; 26, the second channel.

detailed description

A specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

Embodiment one

As shown in Fig. 1 and Fig. 3, a kind of intelligent ventilating box provided by the embodiment of the utility model includes a first box body 1, and the first box body 1 is provided with a fresh air inlet 2, a fresh air outlet 3, an exhaust air outlet 4, Exhaust air inlet 5, single-chip microcomputer 19, indoor air detection device 20 and outdoor air monitoring device; the first box body 1 is provided with a total heat exchange core 11 and four partitions, and the total heat exchange core 11 is located in the first box body In the center of 1, the first box 1 is divided into an outdoor fresh air entry area, a fresh air discharge indoor area, an indoor air discharge area, and an air discharge outdoor area by a total heat exchange core 11 and four partitions. The fresh air inlet 2 It is connected with the outdoor fresh air inlet area, the fresh air outlet 3 is connected with the fresh air discharge into the indoor area, the exhaust air inlet 5 is connected with the indoor air discharge area, and the exhaust air outlet 4 is connected with the air discharge into the outdoor area; the exhaust air outlet 4 is provided with a first A temperature sensor 6, a second temperature sensor 7 is provided at the fresh air outlet 3;

The outdoor fresh air entering area is provided with a first air blower 15, a first motor 8, a second motor, a first air filter device 10 and a device that can prevent fresh air from entering the total heat exchange core 11 through the first air filter device 10 after being closed. The first baffle 9, the first air blower 15 is set near the fresh air inlet 2, the first air filter 10 is set close to the total heat exchange core 11, the first baffle 9 is connected to the first motor 8, and the first air filter 10 is connected with the second motor shaft;

The fresh air is discharged into the indoor area and is provided with a second air blower 16, and the second air blower 16 is arranged near the fresh air outlet 3;

The outdoor fresh air enters the area, the total heat exchange core 11 and the fresh air is discharged into the indoor area to form a fresh air channel;

The indoor air discharge area is provided with a first exhaust fan 17, and the air is discharged into the outdoor area to be provided with a second exhaust fan 18; the indoor air discharge area, the total heat exchange core 11 and the air discharged into the outdoor area form an exhaust Wind channel: the first temperature sensor 6, the second temperature sensor 7, the indoor air detection device 20 and the outdoor air monitoring device are respectively connected with the input end of the single-chip microcomputer 19, the first motor 8, the second motor, the first air blower 15, the second The blower 16 , the first exhaust fan 17 and the second exhaust fan 18 are respectively connected to the output end of the single-chip microcomputer 19 .

The indoor air detection device 20 is arranged on the upper indoor side of the box body 1 , and the outdoor air monitoring device is arranged on the upper outdoor side of the box body 1 .

Further, the fresh air is discharged into the indoor area and is also equipped with a third motor 14, a fourth motor, a second air filter device 12 and a second baffle 13 that can block air from passing through the second air filter device 12 after being closed. The second air filter 12 is arranged near the total heat exchange core 11, the second baffle plate 13 is connected with the third motor 14 shaft, the second air filter 12 is connected with the fourth motor shaft, the third motor 14 and the fourth motor are connected with the fourth motor respectively The output terminal of the single-chip microcomputer 19 is connected.

As shown in Figure 3, this intelligent ventilation box uses the total heat exchange core 11 as the ERD series heat exchange core, and the surface of the heat exchange sheet is stamped and formed with spiral corrugations to enhance heat transfer, which greatly increases the heat transfer area and promotes heat exchange For the heat transfer of the core, two streams of air cross and enter the channel in opposite directions, which can achieve higher heat exchange efficiency, and the exchange efficiency of the heat exchange core can achieve 60% to 80%.

The first box body 1 is installed on the window, the indoor air detection device 20 is located at the indoor side of the first box body 1 , and the outdoor air monitoring device can be installed at the fresh air inlet in the first box body 1 .

Both the first temperature sensor 6 and the second temperature sensor 7 are MIK-ST500 temperature sensors, the temperature measurement range is -40-85°C, and the accuracy is ≤0.1°C.

The single-chip microcomputer 19 is an AT89C51 single-chip microcomputer, which is programmable, powerful and stable in performance.

The single-chip microcomputer 19 judges the temperature difference between indoor and outdoor air according to the temperature difference between the first temperature sensor 6 and the second temperature sensor 7. When the temperature difference between indoor and outdoor air is greater than 5°C, when the indoor air detection device 20 detects that the indoor air quality is poor, simultaneously When the outdoor air monitoring device detects that the outdoor air quality is good, heat exchange needs to be carried out, and at the same time air filtration processing is required, the single-chip microcomputer 19 controls the first motor 8 to start the first baffle 9 to open, and the single-chip microcomputer 19 controls the third motor 14 to start the second The baffle 13 is opened, the single-chip microcomputer 19 controls the first air blower 15, the second air blower 16, the first exhaust fan 17 and the second exhaust fan 18 to start, and the indoor dirty air passes through the exhaust air inlet 5 through the total heat exchange core 11 and from the exhaust air outlet 4, while the fresh air enters from the fresh air inlet 2, passes through the first air filter device 10, the total heat exchange core 11 and the second air filter device 12, and is discharged into the room from the fresh air outlet 3, and the fresh air is mixed with indoor dirty air during the filtering process Heat exchange is carried out when passing through the total heat exchange core 11, the dirty air dissipates heat, and the fresh air absorbs heat.

When the temperature difference between indoor and outdoor air is greater than 5°C, when the indoor air detection device 20 detects that the indoor air quality is good, and when the outdoor air monitoring device detects that the outdoor air quality is good, heat exchange is required, but the air does not need to be filtered , the single-chip microcomputer 19 controls the first motor 8 to drive the first baffle plate 9 to open, the single-chip microcomputer 19 controls the third motor 14 to drive the second baffle plate 13 to open, the single-chip microcomputer 19 controls the second motor to drive the first air filter 10 to open, and the single-chip microcomputer 19 controls the second baffle plate 13 to open. Two motors drive the first air filter device 10 to open, the single-chip microcomputer 19 controls the fourth motor to drive the second air filter device 12 to open, the single-chip microcomputer 19 controls the first blower 15 and the second blower 16, the first blower 17 and the second blower 18 Start, the fresh air enters from the fresh air inlet 2, passes through the total heat exchange core 11, and is discharged into the room from the fresh air outlet 3, and the indoor air is discharged from the exhaust outlet 4 through the exhaust air inlet 5 through the total heat exchange core 11, and the indoor air and the outdoor The air exchanges heat in the total heat exchange core 11 .

Embodiment two

Further, as shown in Figures 1 and 2, a second box body 21 is also included, and the second box body 21 is provided with a first channel 25 communicating with the outdoor fresh air entering area and a second channel 26 communicating with the fresh air entering the indoor area , between the first channel 25 and the second channel 26, a third air filter device 24, a third baffle plate 23 that can block fresh air passing through the third air filter device 24 after being closed, the fifth motor 22 and the sixth motor, the The third air filter device 24 is connected to the sixth motor shaft, and the fifth motor 22 and the sixth motor are respectively connected to the output end of the single-chip microcomputer 19 .

When the temperature difference between indoor and outdoor air is less than 5°C, and when the indoor air quality is detected by the indoor air detection device 20 and the outdoor air quality is detected by the outdoor air monitoring device, there is no need for heat exchange or air filtration During processing, the single-chip microcomputer 19 controls the fifth motor 22 to drive the third baffle plate 23 to open, and the single-chip microcomputer 19 controls the sixth motor to drive the third air filter device 24 to open, and the single-chip microcomputer 19 controls the first blower 15, the second blower 16, the first row The fan 17 and the second exhaust fan 18 start, the fresh air enters from the fresh air inlet 2, enters the second box body 21 through the first channel 25, returns to the first box body 1 from the second channel 26, and is discharged into the room from the fresh air outlet 3 , the indoor air is discharged from the exhaust outlet 4 through the total heat exchange core 11 from the exhaust inlet 5 .

When the temperature difference between indoor and outdoor air is less than 5°C, when the indoor air quality detected by the indoor air detection device 20 is poor, and the outdoor air quality detected by the outdoor air monitoring device is also poor, heat exchange is not required, but the air needs to be During the filtering process, the single-chip microcomputer 19 controls the fifth motor 22 to drive the third baffle plate 23 to open, and the single-chip microcomputer 19 controls the first blower 15, the second blower 16, the first exhaust fan 17 and the second exhaust blower 18 to start, and the fresh air flows from the fresh air inlet. 2 into the second box body 21 through the first channel 25, filtered by the third air filter device 24, and then enter the first box body 1 through the second channel 26, and then discharged into the room from the fresh air outlet 3, and the indoor air is discharged from the exhaust air The inlet 5 is exhausted from the exhaust outlet 4 through the total heat exchange core 11 .

When heat exchange is not required, the fresh air can be filtered in the second box, which can improve the service life of the system.

The indoor and outdoor temperature difference for heat exchange can be set in advance in the program of the single-chip microcomputer.

Further, both the indoor air detection device 20 and the outdoor air monitoring device are TVOC air quality monitors.

The TVOC detection module of the German listed company AMS can detect the concentration of formaldehyde, PM10, PM2.5, TVOC Total Volatile Organic Compounds, total volatile organic compounds, and volatile organic compounds in indoor and outdoor air. In this utility model, a comprehensive The index method evaluates the quality of indoor air. When the comprehensive index is 0-0.99, the air quality is defined as good. At this time, the ventilation is to meet the requirements of the number of air changes, and the filter device is closed; when the comprehensive index is 1.00-1.99, the defined air quality is good. The quality is poor, and when the composite index is greater than 2.00, it is defined as serious air pollution.

Further, the first air filter device 10 , the second air filter device 12 and the third air filter device 24 are all HEPA filter screens.

Features of HEPA high-efficiency filter: small wind resistance, large dust holding capacity, high filtration precision, air can pass through, but fine particles cannot pass through, and the effective rate for 0.1 micron and 0.3 micron reaches 99.7%.

The above disclosures are only a few specific embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any changes conceivable by those skilled in the art should fall within the scope of protection of the present invention.

Claims (5)

1. a kind of intelligent aeration case, it is characterised in that including：First casing (1), the first casing (1) is provided with fresh air inlet (2), fresh air outlet (3), air draft entrance (5), wind exhausting outlet (4), single-chip microcomputer (19), room air detection means (20) and outdoor Air monitoring device；

Total heat exchange core body (11) and four dividing plates are provided with first casing (1), Total heat exchange core body (11) is positioned at the first casing (1) center, outdoor fresh air into area, new will be divided into the first casing (1) by Total heat exchange core body (11) and four dividing plates Wind enters indoor area, room air discharge area and air and enters outdoor district, and fresh air inlet (2) is connected with outdoor fresh air into area, Fresh air outlet (3) enters indoor area and connects with fresh air, and air draft entrance (5) is connected with room air discharge area, wind exhausting outlet (4) and Air enters outdoor district connection；Wind exhausting outlet (4) place is provided with the first temperature sensor (6), and fresh air outlet (3) place is provided with the second temperature Degree sensor (7)；

The outdoor fresh air is into being provided with the first pressure fan (15), the first motor (8), the second motor, the first air filtration in area Can stop that fresh air enters the first of Total heat exchange core body (11) by the first air filter (10) after device (10) and closing Baffle plate (9), the first pressure fan (15) is set near fresh air inlet (2) place, and the first air filter (10) is near Total heat exchange Core body (11) is set, and first baffle (9) is connected with the first motor (8) axle, the first air filter (10) and the second motor shaft Connection；

The fresh air enters and the second pressure fan (16) is provided with indoor area, and the second pressure fan (16) is set near fresh air outlet (3)；

The outdoor fresh air enters indoor area and forms fresh air channel into area, Total heat exchange core body (11) and fresh air；

The first exhaust blower (17) is provided with the room air discharge area, air is entered in outdoor district and is provided with the second exhaust blower (18)；The room air discharge area, Total heat exchange core body (11) and air enter outdoor district and form air exhaust passage；First temperature Sensor (6), second temperature sensor (7), room air detection means (20) and outdoor air monitoring device respectively with monolithic The input connection of machine (19), the first motor (8), the second motor, the first pressure fan (15), the second pressure fan (16), first row The output end of blower fan (17) and the second exhaust blower (18) respectively with single-chip microcomputer (19) is connected.

2. intelligent aeration case as claimed in claim 1, it is characterised in that the fresh air enters and the 3rd electricity is additionally provided with indoor area Can stop that air passes through the second air filter after machine (14), the 4th motor, the second air filter (12) and closing (12) second baffle (13), the second air filter (12) is set near Total heat exchange core body (11), second baffle (13) It is connected with the 3rd motor (14) axle, the second air filter (12) is connected with the 4th motor shaft, the 3rd motor (14) and the 4th Output end of the motor respectively with single-chip microcomputer (19) is connected.

3. intelligent aeration case as claimed in claim 1 or 2, it is characterised in that also including the second casing (21), the second casing (21) outdoor fresh air into the first passage (25) and the second channel (26) for connecting fresh air and entering indoor area in area is communicated with, The 3rd air filter (24) is provided between first passage (25) and second channel (26), close after fresh air can be stopped by the The third baffle (23) of three air filters (24), the 5th motor (22) and the 6th motor, third baffle (23) and the 5th electricity Machine (22) axle is connected, and the 3rd air filter (24) is connected with the 6th motor shaft, and the 5th motor (22) and the 6th motor are distinguished It is connected with single-chip microcomputer (19) output end.

4. intelligent aeration case as claimed in claim 3, it is characterised in that the room air detection means (20) and outdoor are empty Gas monitoring device is TVOC air quality monitors.

5. intelligent aeration case as claimed in claim 3, it is characterised in that first air filter (10), second empty Gas filter (12) and the 3rd air filter (24) are HEPA high efficiency particulate airs.