CN111457489A - Air dehumidifier and air purification system - Google Patents
Air dehumidifier and air purification system Download PDFInfo
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- CN111457489A CN111457489A CN201910108333.9A CN201910108333A CN111457489A CN 111457489 A CN111457489 A CN 111457489A CN 201910108333 A CN201910108333 A CN 201910108333A CN 111457489 A CN111457489 A CN 111457489A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Gases (AREA)
Abstract
The invention provides an air dehumidifier and an air purification system, relates to the technical field of air purification, and is used for solving the problems that when the existing dehumidifier stops working, the wind power at the outlet of the air purification system is small or the power consumption of the air purification system is high. The air dehumidifier comprises a box body, a dehumidifying device, a bypass air valve and an electric control module, wherein the box body comprises an air inlet channel, a dehumidifying channel, an air outlet channel and a bypass channel; the air inlet channel is communicated with the air outlet channel through the dehumidification channel, and the air inlet channel is communicated with the air outlet channel through the bypass channel; the dehumidification device is arranged in the dehumidification channel, and the bypass air valve is arranged in the bypass channel; the electric control module is electrically connected with the dehumidifying device and the bypass air valve, and the electric control module controls the bypass air valve to be closed and opened. According to the air dehumidifier and the air purification system provided by the invention, when the air dehumidifier stops working, the air purification system realizes larger wind power at the outlet under lower power consumption.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to an air dehumidifier and an air purification system.
Background
The air purification system is used for purifying air in a house and comprises a plurality of air purification devices aiming at different air indexes. The air purification system can comprise a dehumidifier which is used for reducing the humidity of the air in the house and preventing the house from being mildewed due to being in a humid environment for a long time. On one hand, the humid environment itself has adverse effects on patients with tuberculosis, kidney disease, rheumatoid arthritis or chronic pain in the waist and lower extremities, and on the other hand, the breathing of air containing mildew products is liable to cause respiratory tract and lung diseases. Therefore, the dehumidifier is used for reducing the humidity in the house, which is beneficial to protecting the health of the human body; the air purification system can also comprise a fresh air fan, and the fresh air fan is used for reducing fine particles in the air, so that the threat to human health is reduced.
When the dehumidifier is used, a humidity value needs to be set, and when the humidity of air in the house is higher than the set value, the dehumidifier can be automatically started and dehumidify the house; when the humidity of the air in the house is lower than the set value, the dehumidifier automatically stops working.
When the dehumidifier stops working, other air purification equipment still works, and when airflow in the air purification system flows through the dehumidifier which stops working, resistance can be met, so that the air quantity at the outlet of the air purification system is small, and the wind power is small.
Disclosure of Invention
In view of the above problems, embodiments of the present invention provide an air dehumidifier and an air purification system, when the dehumidifier stops operating, the air volume at the outlet of the air purification system is large, and the wind power is large.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
a first aspect of an embodiment of the present invention provides an air dehumidifier, including: the box body comprises an air inlet channel, a dehumidification channel, an air outlet channel and a bypass channel; the air inlet channel is communicated with the air outlet channel through the dehumidification channel, and the air inlet channel is communicated with the air outlet channel through the bypass channel; the dehumidification device is arranged in the dehumidification channel, and the bypass air valve is arranged in the bypass channel; the electronic control module is electrically connected with the dehumidification device and the bypass air valve, and controls the bypass air valve to be closed when the dehumidification device works; when the dehumidification device stops working, the electronic control module controls the bypass air valve to be opened.
Compared with the prior art, the air dehumidifier provided by the embodiment of the invention has the following advantages: when the air humidity is high and the dust in the air is heavy, the external equipment is communicated with the dehumidification module and works simultaneously to dehumidify the air flow and convey dry air into the house; when the air humidity is lower than the set value of the air dehumidifier, the external equipment is communicated with the bypass air channel, the air is directly conveyed into the house, and the wind power is high. The air dehumidifier or the external device has low power consumption and exerts the best performance.
Preferably, the air dehumidifier further comprises a negative pressure fan, the negative pressure fan is arranged in the air outlet channel, and the negative pressure fan is used for extracting air from the dehumidification channel.
Furthermore, along the gas flowing direction in the air outlet channel, the bypass channel and the air outlet channel are communicated with the downstream of the negative pressure fan.
Preferably, the air dehumidifier further comprises a positive pressure fan, the positive pressure fan is arranged on the air inlet channel, and the positive pressure fan is used for exhausting air to the dehumidification channel.
Furthermore, along the gas flowing direction in the air inlet channel, the bypass channel and the air inlet channel are communicated with the upstream of the positive pressure fan.
Preferably, the air inlet channel is provided with a filter.
Preferably, the dehumidifying device comprises a compressor, a condenser, a throttling component and an evaporator, the condenser, the throttling component and the evaporator are sequentially connected through a pipeline, the high-pressure end of the compressor is communicated with the condenser, and the low-pressure end of the compressor is communicated with the evaporator; the evaporator is disposed in an upstream direction of the condenser in a gas flow direction in the dehumidification passage.
Furthermore, the dehumidifying device also comprises a water receiving tray and a drain pipe; the water receiving tray is located at the lowest part of the dehumidifying device, and the drain pipe is used for discharging liquid in the water receiving tray out of the dehumidifying channel.
Preferably, the air inlet channel comprises a first air inlet and a second air inlet, and the first air inlet and/or the second air inlet are/is provided with a regulating air valve.
A second aspect of an embodiment of the present invention provides an air purification system, including: the air dehumidifier and the air purification device of any one of the preceding items, the air dehumidifier is communicated with the air purification device. When the air humidity is high and the dust in the air is heavy, the air purification equipment is communicated with the dehumidification module and works simultaneously to dehumidify and purify the air flow, and the air purification system provided by the embodiment of the invention conveys clean and dry air to a space to be purified; when the air humidity is lower than the set value of the air dehumidifier, the dehumidification module stops working, the air purification equipment is communicated with the bypass air channel, and clean air is directly conveyed into the space to be purified. The resistance of the bypass air channel is small, and the air purification equipment can provide air into the space to be purified only under low power, so that the energy consumption of the air purification system is low.
Preferably, the air purification equipment is a fresh air fan, the air inlet channel of the air dehumidifier comprises a first air inlet and a second air inlet, and the second air inlet is provided with a regulating air valve; an air outlet channel of the air dehumidifier is communicated with a space to be purified; the air inlet channel and the space to be purified are communicated with the first air inlet, and the air inlet channel and the new fan are communicated with the second air inlet.
In addition to the technical problems solved by the embodiments of the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions, other technical problems solved by the air dehumidifier and the air purification system according to the embodiments of the present invention, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an air dehumidifier according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an air dehumidifier according to another embodiment of the present invention;
FIG. 3 is a schematic structural view of an air dehumidifier according to another embodiment of the present invention;
fig. 4 is a schematic structural view of an air dehumidifier according to another embodiment of the present invention.
Description of reference numerals:
1-air inlet channel; 101-a first air inlet;
2-a dehumidification channel; 102-a second air inlet;
3-a bypass channel; 301-bypass channel outlet;
4-an air outlet channel; 5-negative pressure fan;
6-a filter; 7-a dehumidifying device;
71-an evaporator; 72-a drain pipe;
73-a throttling member; 74-a condenser;
75-a water pan; 76-a compressor;
8-an electronic control module; 9-a bypass air valve;
10-positive pressure fan; 11-regulating and controlling the air valve.
Detailed Description
In order to make the aforementioned objects, features and advantages of the embodiments of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For convenience of description, the drawings of fig. 1 to 4 are top views, and the upper, lower, left and right in the description of the present invention generally refer to the illustrated upper, lower, left and right without description, and do not refer to the direction of the air dehumidifier provided by the embodiment of the present invention when in use. The air dehumidifier and the air purification system provided by the embodiment of the invention can be applied to different scenes, such as houses, vehicles and experimental equipment, and in the specification, the houses are taken as an example for description.
Example 1
Referring to fig. 1, an air dehumidifier according to an embodiment of the present invention includes a box body, an air inlet channel 1 is disposed at a left portion of the box body, a dehumidification channel 2 and a bypass channel 3 are disposed at a middle portion of the box body, and an air outlet channel 4 is disposed at a right portion of the box body. The left side of the air inlet channel 1 is provided with a first air inlet 101, and the right side of the air outlet channel 4 is provided with an air outlet; the left end of the dehumidification channel 2 is communicated with the air inlet channel 1, and the right end is communicated with the air outlet channel 4; the left end of the bypass channel 3 is communicated with the air inlet channel 1, the right end of the bypass channel is communicated with the air outlet channel 4, and the dehumidification channel 2 and the bypass channel 3 are isolated relatively. A dehumidifying device 7 is arranged in the dehumidifying channel 2. A bypass air valve 9 is arranged in the bypass channel 3. Preferably, the bypass damper 9 is disposed at the leftmost side of the bypass passage 3, i.e., at the junction of the intake passage 1 and the bypass passage 3. The air dehumidifier provided by the embodiment of the invention further comprises an electric control module 8, and the electric control module 8 can be arranged at a proper position of the box body. The electronic control module 8 is electrically connected with the dehumidifying device 7 and the bypass air valve 9. The electric control module 8 receives the working state signal of the dehumidifying device 7, if the signal is in work, a closing signal is sent to the bypass air valve 9, and if the signal is not in work, an opening signal is sent to the bypass air valve 9.
In the specific air dehumidifier provided by the embodiment of the invention, the dehumidification channel 2 and the bypass channel 3 are arranged in parallel in the horizontal direction, and certainly can be arranged in the vertical direction, even the bypass channel 3 is arranged around the dehumidification channel 2, as long as the dehumidification channel 2 and the bypass channel are communicated between the air inlet channel and the air outlet channel in parallel along the gas flowing direction. In fig. 1, the air inlet channel, the dehumidification channel, and the air outlet channel, or the air inlet channel, the bypass channel, and the air outlet channel are all disposed in an approximately straight line, which does not mean that the relative positions of the channels in the space are necessarily disposed as shown in the drawing, and other shapes of pipelines are actually used for communication, such as bending in a horizontal plane, U-shaped connection in a vertical plane, and the like, as long as the air inlet channel, the dehumidification channel, and the air outlet channel are sequentially connected along the flowing direction of the air.
The air dehumidifier provided by the embodiment of the invention can be used independently or combined with other air purification equipment. When the air purifier is used in a combined mode, the fan is not needed, and other air purifying equipment is used for driving the pipeline and air in the air purifier to flow; when the air dehumidifier is used independently, a fan can be arranged in a pipeline connected with the air dehumidifier, and if the first air inlet 101 and the air outlet are communicated with the indoor space, internal circulation is formed. When the dehumidifier 7 works, the bypass air valve 9 is closed, the air is then discharged through the air inlet channel 1, the dehumidification channel 2 and the air outlet channel 4, and the discharged air is dry. When the humidity of the indoor air is reduced to a set value, the dehumidifying device 7 stops working, the electric control module 8 controls the bypass air valve 9 to be opened, and the air is discharged through the air inlet channel 1, the dehumidifying channel 2 and the air outlet channel 4. Since the dehumidification device 7 is included in the dehumidification channel 2, the dehumidification channel 2 has a large resistance to the flow of the air, but the air inlet channel 1, the dehumidification channel 2 and the air outlet channel 4 are actually always communicated. Therefore, when the bypass damper 9 is opened, gas also passes through the dehumidification passage 2.
The air inlet channel 1 receives the gas on the upstream and distributes the gas to the dehumidification channel 2 and the bypass channel 3, and the air outlet channel 4 collects the gas conveyed by the dehumidification channel 2 and the bypass channel 3 and discharges the gas. The air dehumidifier provided by the embodiment of the invention has the advantages that the box body is integrally designed and compact in structure, the air dehumidifier can be integrally carried and installed, and the box body is internally provided with two paths for conveying gas but only one air outlet channel 4, so that the air dehumidifier is convenient to match with other equipment or pipelines. When the bypass air valve 9 is closed, all the gas passes through the dehumidification channel 2 and is dried by the dehumidification device 7 in the dehumidification channel 2, and the air dehumidifier realizes a normal dehumidification function. When the bypass air valve 9 is opened, the air passes through the bypass channel 2 with smaller resistance, and the fan or the external equipment provided by the air valve can realize larger wind power and more air volume in the air outlet channel 4; or the same wind power and air quantity in the air outlet channel 4 can be realized under lower power, thereby saving energy.
Specifically, a negative pressure fan 5 is arranged in the air outlet channel 4, and the negative pressure fan 5 is electrically connected with the electric control device 8. The negative pressure fan 5 is used for extracting air from the dehumidification channel 2, so that a negative pressure environment is formed in the dehumidification channel 2, and further, the air in the air inlet channel 1 enters the dehumidification channel 2, and the air in the whole air dehumidifier is kept in a flowing state.
Illustratively, the bypass channel 3 and the air outlet channel 4 are communicated with the downstream of the negative pressure fan 5. Because the negative pressure fan 5 is mainly arranged to resist the wind resistance of the dehumidifying device 7 and raise the wind power at the wind outlet of the wind outlet channel 4 when the dehumidifying device 7 works, when the dehumidifying device 7 stops working, the negative pressure fan 5 also stops working under the control of the electric control module 8. And the blades of the negative pressure fan 5 also have resistance, so that the bypass channel 3 and the air outlet channel 4 are communicated with the downstream of the negative pressure fan 5, the overall wind resistance of the air dehumidifier can be reduced, and when the bypass ventilation valve 9 is opened, external equipment realizes larger wind power at the air outlet of the air outlet channel 4 under smaller power. Certainly, the negative pressure fan 5 can also work continuously, so that the wind power at the air outlet of the air outlet channel 4 is larger.
Further, an air inlet of the negative pressure fan 5 is regarded as a connection position of the air outlet channel 4 and the dehumidification channel 2.
Specifically, a filter 6 is disposed in the air intake channel 1, and referring to fig. 1, the external air received by the first air intake 101 passes through the filter 6 and then is shunted to the dehumidification channel 2 or the bypass channel 3. When the air dehumidifier provided by the invention is used independently, the filter 6 can filter dust, large particles and the like in the air, so that the downstream air is cleaner on one hand, and excessive dust accumulated in the air dehumidifier is prevented on the other hand, and the increase of wind resistance and the breeding of bacteria are prevented. The filter 6 can be replaced frequently.
Specifically, the dehumidifying apparatus 7 includes a condenser 74, a throttling member 73, and an evaporator 71 connected in series by a pipe, a high-pressure end of a compressor 76 is connected to the condenser 74, and a low-pressure end of the compressor 76 is communicated with the evaporator 74. When the dehumidifier 7 works, the electronic control module 8 controls the compressor 76 to be started, the compressor 76 discharges high-temperature and high-pressure superheated steam from a high-pressure end to the condenser 74, and the temperature of the superheated steam is higher than the boiling point at the pressure, so that the superheated steam is in a gaseous state; the superheated vapor is cooled to a temperature lower than the boiling point in the condenser 74, becomes a high-temperature and high-pressure liquid, and is sent to the throttle member 73, and the temperature of the liquid is lower as the condenser 74 radiates heat to the outside; the liquid is changed into a low-temperature low-pressure two-phase liquid in the throttling part 73 and is sent to the evaporator 71; the boiling point of the liquid in the low pressure environment also becomes low, so that the low temperature two-phase liquid evaporates in the evaporator 71 and absorbs the heat of evaporation, at which time the evaporator 71 absorbs heat from the outside, and the low temperature and low pressure gas in the evaporator 71 is sent to the low pressure side of the compressor 76 for the next cycle.
In the dehumidification passage 2, the evaporator 71 is disposed upstream of the condenser 74 in the flow direction of the gas. Preferably, the evaporator 71 and the condenser 74 cover the entire cross-section of the dehumidifying channel 2, respectively, so that the gas passing through the dehumidifying channel 2 must pass through the evaporator 71 and the condenser 74 to dehumidify the gas completely. The air conveyed to the dehumidification channel 2 by the air inlet channel 1 firstly passes through the low-temperature evaporator 71, and the moisture in the air is adsorbed on the evaporator 71 to obtain the air with lower humidity and lower temperature; the lower humidity gas passes through the condenser 74 to raise the temperature and further lower the relative humidity to produce a dry gas at an appropriate temperature; the dried gas is discharged through the air outlet channel 4.
Further, the evaporator 71 is provided with densely-distributed aluminum foil fins on the outer side thereof to increase the contact area with the outside air, improve the heat exchange efficiency of the evaporator 71, and also increase the attachment area of moisture.
Further, the dehumidifying apparatus 7 includes a water receiving tray 75 and a drain pipe 72. Referring to fig. 1, fig. 1 is a top view, in which the water pan 75 is located at the lowest position of the dehumidification device in the vertical direction, and the water pan 75 receives the whole dehumidification device 7 in the horizontal direction. After the moisture in the air is attached to the dehumidifier 7, the moisture gradually condenses into water drops or water drops and then drops to the water receiving tray 75, and the lower point of the water receiving tray 75 is communicated with the drain pipe 72. The drain pipe 72 communicates to the outside of the case to drain the liquid in the drip tray 75. It is conceivable that the compressor 76 is connected to the evaporator 71 and the condenser 74 through pipes, and the water receiving tray 75 does not need to receive the position of the compressor when the compressor 76 is disposed outside the dehumidification passage 2, particularly vertically above. The water receiving tray 75 and the water discharging pipe 72 can collect the liquid dropped by the dehumidifying device 7 and discharge the liquid out of the dehumidifying channel 2 in time, so as to prevent the moisture in the dehumidifying channel 2 from evaporating back to the air due to the excessive liquid.
The manner of forming the box body and the material of the box body are not limited in the embodiment of the invention. When plastics are adopted, the raw materials of the plastic body can be engineering plastics (ABS), acrylonitrile-styrene copolymer (AS) and the like, can adopt glass fiber reinforcement or corrosion resistance addition, and can be formed by transfer molding (transfer molding), injection molding and the like. The box body can be formed by selecting metal materials such as galvanized steel sheets, stainless steel or bridge-cut aluminum and the like and adopting the modes of bolt connection, riveting, welding and the like.
Example 2
Please refer to fig. 2. The air dehumidifier provided by the embodiment of the invention comprises a box body, wherein the left part of the box body is provided with an air inlet channel 1, the middle part of the box body is provided with a dehumidification channel 2 and a bypass channel 3, and the right part of the box body is provided with an air outlet channel 4. The left side of the air inlet channel 1 is provided with a first air inlet 101, and the right side of the air outlet channel 4 is provided with an air outlet; the left end of the dehumidification channel 2 is communicated with the air inlet channel 1, and the right end is communicated with the air outlet channel 4; the left end of the bypass channel 3 is communicated with the air inlet channel 1, the right end of the bypass channel is communicated with the air outlet channel 4, and the dehumidification channel 2 and the bypass channel 3 are isolated relatively. A dehumidifying device 7 is arranged in the dehumidifying channel 2. The leftmost side of the bypass channel 3, namely the joint of the air inlet channel 1 and the bypass channel 3, is provided with a bypass air valve 9.
The air inlet channel 1 is provided with a positive pressure fan 10, and the positive pressure fan 10 is used for exhausting air to the dehumidification channel 2. The positive pressure fan 10 makes the inside of the dehumidification passage 2 at positive pressure, i.e. greater than the pressure in the pipeline, for example greater than a standard atmospheric pressure. The air in the dehumidification channel 2 is conveyed to the air outlet channel 4 under the positive pressure effect and then is discharged from the air outlet channel 4. The junction of the bypass channel 3 and the air intake channel 1 may be disposed downstream of the positive pressure fan 10, and the positive pressure fan 10 also exhausts air into the bypass channel 3. The positive pressure fan 10 ensures that the wind power at the air outlet of the air outlet channel 4 meets the use requirement when the air dehumidifier provided by the embodiment of the invention is used.
Specifically, the joint of the bypass channel 3 and the air inlet channel 1 is located at the upstream of the positive pressure fan 5, and when the dehumidifying device 7 stops working, the electronic control module 8 controls the positive pressure fan to stop working and controls the bypass air valve 9 to open. The air in the air inlet channel 1 enters the air outlet channel 4 from the bypass channel 3 and is then discharged. Because the blades of the positive pressure fan 5 and the like also have wind resistance, the design can reduce the wind resistance between the air inlet channel 1 and the bypass channel 3 when the dehumidifying device 7 stops working.
Illustratively, the positive pressure fan 10 is a backward inclined fan.
The air dehumidifier provided by the embodiment of the invention further comprises an electric control module 8 and a humidity detector, wherein the humidity detector is arranged in the house and is electrically connected with the electric control module 8. The electronic control module 8 can be arranged at a suitable position of the box body. The electric control module 8 is electrically connected with the dehumidifying device 7, the bypass air valve 9 and the positive pressure fan 10. The electric control module 8 receives a humidity signal of the humidity detector, when the humidity signal is higher than a preset value of the electric control module 8, the electric control module 8 sends a working signal to the dehumidifying device 7 and receives a working state signal sent by the dehumidifying device 7, if the working state signal is in work, the electric control module sends a closing signal to the bypass air valve 9 and sends a starting signal to the positive pressure fan 10, and if not, an alarm signal is sent; when the humidity signal is not higher than the preset value of the electronic control module 8, the electronic control module 8 sends a stop signal to the dehumidifying device 7, sends an opening signal to the bypass air valve 9, and sends a stop signal to the positive pressure fan 10.
Referring to fig. 2, the lower left of the box body includes a larger cavity, the dehumidifying device 7 is disposed in the middle of the cavity, and the right of the cavity is open. In fig. 2, the wall of the box body relatively isolates the lower cavity from the upper bypass duct 3, but a bypass duct outlet 301 is provided below the right portion of the bypass duct 3. It can be understood that, since the dehumidifying device 7 mainly causes a large wind resistance in the dehumidifying channel 2, the left part of the chamber and the middle part provided with the dehumidifying device 7 can be regarded as the dehumidifying channel 2, and the area of the right part of the chamber which is relatively open can be regarded as a part of the wind outlet channel 4. The bypass duct 3 is thus also in communication with the outlet duct 4 via the bypass duct outlet 301.
Example 3
Referring to fig. 3, in the air dehumidifier according to the embodiment of the present invention, the left portion of the box body is provided with an air inlet channel 1, the right portion of the box body is provided with an air outlet channel 4, the middle portion of the box body is provided with a dehumidification channel 2 and a bypass channel 3 which are parallel, the air inlet channel 1 is communicated with the air outlet channel 4 through the dehumidification channel 2, and the air inlet channel 1 is communicated with the air outlet channel 4 through the bypass channel 3. A negative pressure fan 5 is arranged in the air outlet channel 4, and the bypass channel 3 and the air outlet channel 4 are communicated with the downstream direction of the negative pressure fan 5. The air inlet channel 1 is provided with a first air inlet 101 and a second air inlet 102, and the second air inlet 102 is provided with a regulating air valve 11. The regulating air valve 11 is electrically connected with the electric control module 8.
The first air inlet 101 and the second air inlet 102 are respectively used for communicating different external devices or pipelines, when the electric control module 8 controls the regulating air valve 11 to be closed, the air inlet channel 1 is isolated from the external device connected with the second air inlet 102, and when the electric control module 8 controls the regulating air valve 11 to be opened, the air inlet channel 1 is communicated with the external device connected with the second air inlet 102. When only one external device or pipeline needs to be communicated, the regulating air valve 11 is kept closed. The air dehumidifier provided by the embodiment of the invention is suitable for more complex air purification pipelines and is compatible with pipelines with simple requirements.
Further, any one of the first air inlet 101 and the second air inlet 102 may be provided with a regulating air valve 11, and the regulating air valve 11 may control whether the air dehumidifier is communicated with a corresponding external device or pipeline. The two air inlet channels are provided with the regulating air valve 11, so that the connection state of the air inlet channel 1 can be more flexibly controlled.
Example 4
Referring to fig. 4, in the air dehumidifier according to the embodiment of the present invention, the left portion of the box body is provided with an air inlet channel 1, the right portion of the box body is provided with an air outlet channel 4, the middle portion of the box body is provided with a dehumidification channel 2 and a bypass channel 3 which are parallel, the air inlet channel 1 is communicated with the air outlet channel 4 through the dehumidification channel 2, and the air inlet channel 1 is communicated with the air outlet channel 4 through the bypass channel 3. The air inlet channel 1 is provided with a positive pressure fan 10, and the bypass channel 3 and the air inlet channel 1 are communicated in the upstream direction of the positive pressure fan 10. The air inlet channel 1 is provided with a first air inlet 101 and a second air inlet 102, and the air received by the first air inlet 101 and the second air inlet 102 can be divided into the dehumidification channel 2 and the bypass channel 3 only after passing through the filter 6. The second air inlet 102 is provided with a regulating air valve 11. The regulating air valve 11 is electrically connected with the electric control module 8.
Specifically, the first air inlet 101 is aligned with the dehumidification channel 2, and the second air inlet 102 is aligned with the dehumidification channel 2 and the bypass channel 3. The first air inlet 101 is preferably adapted to be connected to an external device or a pipeline where the gas to be dried is located. The second air inlet 102 is more suitable for being connected with an external device or pipeline for continuously supplying air when the dehumidifying device stops working, the wind resistance of the path through which the air is discharged from the second air inlet 102, the bypass channel 3 and the air outlet channel 4 is smaller, and the air quantity at the air outlet of the air outlet channel 4 is larger.
Example 5
On the basis of embodiments 1 to 4, the air dehumidifier and the air purification apparatus provided by the embodiments of the present invention are combined to obtain an air purification system. The air purification device may be disposed upstream or downstream of the air dehumidifier. The air flow in the air dehumidifier is driven by the air purification equipment, when the dehumidifying device 7 stops working, the air flows through the bypass channel 3, the wind resistance is small, and the overall power consumption of the air purification system is low.
Specifically, the air purification equipment can be selected from a fresh air fan, a sterilization equipment or an oxygen production equipment in a physical mode or a chemical mode, and the like.
For example, in the air dehumidifier according to embodiment 1 or embodiment 2, the first air inlet 101 of the air inlet channel 1 is connected to an outlet of the fresh air blower, and receives clean air discharged by the fresh air blower. And the electronic control module 8 controls the dehumidification device 7 to work and the bypass air valve 9 to be closed. The clean gas is changed into clean and dry gas after passing through the dehumidification channel 2 and then is discharged into a house through the air outlet channel 4; when the humidity of the air in the house is reduced to a set value built in the electronic control module 8, the electronic control module 8 controls the dehumidifying device 7 to stop working, the bypass air valve 9 is opened, and the clean air is directly discharged into the house through the bypass channel 3 and the air outlet channel 4.
For example, in the air dehumidifier of embodiment 3 or embodiment 4, the air outlet of the air outlet channel 4 and the first air inlet 101 are both communicated with the room to be purified, and the second air inlet 102 is communicated with the outlet of the new air blower. The inlet of the fresh air machine is communicated with the outside atmosphere. Air in the house can be introduced into the air dehumidifier through the first air inlet 101 all the time, and finally returns to the house from the air outlet of the air outlet channel 4 to form an internal circulation passage. Air purification system normal operating, electronic control module 8 control regulation and control blast gate 11 is opened, and fresh air fan exhaust clean gas obtains the mist with the air mixture in the house in inlet channel 1, and the mist obtains dry mist via dehumidification passageway 2, then by the air-out passageway 4 entering in the house. When the humidity of the fresh air fan is very high, such as in rainy days and foggy days, an instruction is sent to the electronic control module 8 in a manual mode or an outdoor mode of arranging a humidity detector, and the electronic control module 8 controls the regulation and control air valve 11 to be closed. At the moment, the gas flows in the internal circulation passage, and the effect of quickly dehumidifying in the house can be achieved.
Specifically, when first air intake 101 was equipped with the second and regulates the blast gate, can close the second and regulate the blast gate, intake channel 1 only communicates with new fan this moment, and the air of air-out passageway 4 exhaust this moment is based on outside air purification or purification drying, can be better be applicable to in the space than if in the car air turbidity, have the peculiar smell, the condition that needs the discharge.
For example, the air purification device also includes an air dehumidifier, that is, two air dehumidifiers are connected in series, and one of the two air dehumidifiers is the air dehumidifier provided by the embodiment of the present invention. For example, the air exhausted by an upstream air dehumidifier enters a first room or a main duct, and the downstream air dehumidifier draws air from the first room or the main duct and exhausts the air to a second room. The two air dehumidifiers are both provided by the embodiment of the invention, the upstream air dehumidifier has higher power and higher set humidity value, and the downstream air dehumidifier has lower power and lower set humidity value. When the humidity of the outside air is high, the air inlet channel 1 of the upstream air dehumidifier is communicated with the dehumidification channel 2, the air outlet channel 4 discharges relatively dry gas to the main pipeline, if the humidity of the gas is lower than the set value of the downstream air dehumidifier, the bypass air valve 9 of the downstream air dehumidifier is opened, and the gas of the main pipeline is directly discharged into the second room through the bypass channel 3 of the downstream air dehumidifier. If the humidity of the outside air is lower than the set value of the upstream air dehumidifier, a bypass air valve 9 of the upstream air dehumidifier is opened, and the outside air directly enters the main pipeline through the bypass channel 3. The air purification system arranged in the way can play a good role in different weather conditions or use requirements, and has the advantages of large wind power and less total energy consumption.
The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
In the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (11)
1. An air dehumidifier is characterized by comprising a box body, a dehumidifying device, a bypass air valve and an electric control module, wherein the box body comprises an air inlet channel, a dehumidifying channel, an air outlet channel and a bypass channel;
the air inlet channel is communicated with the air outlet channel through the dehumidification channel, and the air inlet channel is communicated with the air outlet channel through the bypass channel;
the dehumidification device is arranged in the dehumidification channel, and the bypass air valve is arranged in the bypass channel;
the electronic control module is electrically connected with the dehumidifying device and the bypass air valve, and when the dehumidifying device works, the electronic control module controls the bypass air valve to be closed; when the dehumidification device stops working, the electronic control module controls the bypass air valve to be opened.
2. The air dehumidifier of claim 1, further comprising a negative pressure fan disposed in the air outlet channel, wherein the negative pressure fan is configured to draw air from the dehumidification channel.
3. The air dehumidifier of claim 2, wherein the bypass channel and the outlet channel are communicated with the downstream of the negative pressure fan along the flow direction of the air in the outlet channel.
4. The air dehumidifier of claim 1, wherein the air dehumidifier further comprises a positive pressure fan, the positive pressure fan is disposed on the air inlet channel, and the positive pressure fan is used for exhausting air to the dehumidification channel.
5. The air dehumidifier of claim 4, wherein the bypass channel and the air inlet channel are communicated with the upstream of the positive pressure fan along the air flowing direction in the air inlet channel.
6. An air dehumidifier as claimed in claim 1 wherein said air inlet duct is provided with a filter.
7. The air dehumidifier of claim 1, wherein the dehumidifier comprises a compressor, a condenser, a throttling component and an evaporator, the condenser, the throttling component and the evaporator are connected in sequence through a pipeline, a high-pressure end of the compressor is communicated with the condenser, and a low-pressure end of the compressor is communicated with the evaporator;
the evaporator is disposed in an upstream direction of the condenser along a gas flow direction in the dehumidification passage.
8. An air dehumidifier as claimed in claim 7 wherein the dehumidifier means further comprises a water pan and a drain;
the water pan is located at the lowest part of the dehumidifying device, and the drain pipe is used for discharging liquid in the water pan out of the dehumidifying channel.
9. The air dehumidifier of claim 1, wherein the air intake channel comprises a first air inlet and a second air inlet, and the first air inlet and/or the second air inlet are/is provided with a regulating air valve.
10. An air purification system comprising an air dehumidifier as claimed in any one of claims 1 to 9 and an air purification device, said air dehumidifier being in communication with said air purification device.
11. The air purification system of claim 10, wherein the air purification equipment is a fresh air blower, the air inlet channel of the air dehumidifier comprises a first air inlet and a second air inlet, and the second air inlet is provided with a regulating air valve;
the air outlet channel of the air dehumidifier is communicated with the space to be purified;
the air inlet channel is communicated with the space to be purified and communicated with the first air inlet, and the air inlet channel is communicated with the new fan and communicated with the second air inlet.
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| CN201910108333.9A CN111457489A (en) | 2019-01-18 | 2019-01-18 | Air dehumidifier and air purification system |
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Cited By (1)
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Application publication date: 20200728 |