CN215765589U - Fresh air environment all-in-one machine - Google Patents
Fresh air environment all-in-one machine Download PDFInfo
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- CN215765589U CN215765589U CN202121336443.XU CN202121336443U CN215765589U CN 215765589 U CN215765589 U CN 215765589U CN 202121336443 U CN202121336443 U CN 202121336443U CN 215765589 U CN215765589 U CN 215765589U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
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Abstract
The utility model discloses a fresh air environment all-in-one machine which comprises a box body, a heat exchange core body, a first air valve, a second air valve, a third air valve, an indoor air supply fan, an exhaust fan and a controller, wherein the first air valve is arranged on the box body; the box body is provided with an indoor air inlet, an indoor air supply outlet, an outdoor air outlet and an outdoor fresh air inlet; the heat exchange core body is fixed in the box body and comprises a fresh air channel and a foul air channel which are respectively communicated with the indoor air supply outlet and the outdoor fresh air inlet as well as the indoor air inlet and the outdoor air outlet; the first air valve, the second air valve and the third air valve are all controllable in opening degree, are respectively positioned between the indoor air inlet and the indoor air supply outlet, between the indoor air supply outlet and the fresh air channel and between the outdoor air outlet and the turbid air channel, and are respectively connected with the controller; the indoor air supply fan and the exhaust fan are respectively positioned between the first air valve and the second air valve and the indoor air supply outlet and between the turbid air channel and the third air valve, and are respectively connected with the controller to control the speed division operation of the controller. The utility model meets the requirement of the user on the fresh air ratio.
Description
Technical Field
The utility model relates to the technical field of air conditioning, in particular to a fresh air environment all-in-one machine.
Background
At present, a turbid air channel and a fresh air channel are arranged in an environment all-in-one machine applied to passive building construction, and are arranged in a heat exchange core, so that outdoor fresh air obtains heat of the turbid air discharged to the outdoor before being sent into the indoor, and the heat of a room where the fresh air is introduced is balanced.
In the existing fresh air environment all-in-one machine, only communicated or cut-off air valves are arranged and communicated or cut-off is controlled to be communicated or cut-off in a fresh air mode, an indoor circulation mode and a mixed air mode, but a user cannot accurately set a fresh air ratio in the mixed air mode or set the fresh air ratio and cannot accurately realize the fresh air ratio, so that the user experience is influenced.
Disclosure of Invention
In order to solve the problem that the fresh air environment all-in-one machine in the prior art cannot accurately reach the fresh air volume required by a user, the utility model provides the fresh air environment all-in-one machine which meets the requirement of the user on the fresh air ratio and improves the user experience.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a fresh air environment all-in-one machine which comprises a box body, a heat exchange core body, a first air valve, a second air valve, a third air valve, an indoor air supply fan, an exhaust fan and a controller.
The box body forms a containing cavity; the box body is provided with an indoor air inlet, an indoor air supply outlet, an outdoor air outlet and an outdoor fresh air inlet;
the heat exchange core body is fixedly arranged in the box body and comprises a fresh air channel and a turbid air channel; the fresh air channel is communicated with the indoor air supply outlet and the outdoor fresh air outlet; the turbid air channel is communicated with the indoor air inlet and the outdoor air outlet;
the first air valve is arranged in the box body, is positioned between the indoor air inlet and the indoor air supply outlet and is used for controlling whether the indoor air inlet is communicated with the indoor air supply outlet or not and controlling the degree of communication;
the opening controllable degree of the second air valve is arranged in the box body, is positioned between the indoor air supply outlet and the fresh air channel and is used for controlling whether the indoor air supply outlet is communicated with the fresh air channel or not and the degree of communication;
the controllable opening degree of the third air valve is arranged in the box body, is positioned between the outdoor air outlet and the turbid air channel and is used for controlling whether the outdoor air outlet is communicated with the turbid air channel or not and the degree of communication;
the indoor air supply fan is arranged in the box body and is positioned between the indoor air supply outlet and the first air valve and between the indoor air supply outlet and the second air valve;
the exhaust fan is arranged in the box body and is positioned between the turbid air channel and the third air valve;
the controller is respectively connected with the first air valve, the second air valve, the third air valve, the indoor air supply fan and the exhaust fan and is used for controlling the opening degree of the first air valve, the second air valve and the third air valve and controlling the indoor air supply fan and the exhaust fan to run at different speeds.
In one embodiment, the fresh air environment all-in-one machine further comprises a fourth air valve, the fourth air valve is arranged in the box body and connected with the controller, and the opening degree of the fourth air valve is controlled by the controller;
the fresh air channel comprises a fresh air inlet and a fresh air outlet which are respectively close to the outdoor fresh air port and the second air valve;
the turbid air channel comprises a turbid air inlet and a turbid air outlet which are respectively close to the indoor air inlet and the outdoor air outlet;
and the fourth air valve is positioned between the turbid air outlet and the fresh air outlet and is used for controlling whether the turbid air outlet is communicated with the fresh air outlet or not and the communication degree.
In an embodiment, the fresh air environment all-in-one machine further comprises a fifth air valve with a controllable opening, the fifth air valve is arranged in the box body, is positioned between the outdoor fresh air opening and the fresh air channel and is used for controlling whether the outdoor fresh air opening is communicated with the fresh air channel or not and the communication degree of the outdoor fresh air opening and the fresh air channel;
and the fifth air valve is connected with the controller, and the opening degree of the fifth air valve is controlled by the controller.
In one embodiment, the fresh air environment all-in-one machine further comprises an indoor temperature and humidity sensor, an outdoor temperature and humidity sensor and a mixed air temperature and humidity sensor;
the area between the second air valve and the fourth air valve is an air mixing area;
the indoor temperature and humidity sensor, the outdoor temperature and humidity sensor and the air mixing temperature and humidity sensor are respectively arranged in an indoor area, the outdoor fresh air inlet and the air mixing area and are in communication connection with the controller;
the indoor temperature and humidity sensor, the outdoor temperature and humidity sensor and the mixed air temperature and humidity sensor respectively measure indoor temperature and humidity, outdoor temperature and humidity and mixed air temperature and humidity and transmit the measured values to the controller; the controller judges whether condensation exists or not according to the indoor temperature and humidity, the outdoor temperature and humidity and the mixed air temperature and humidity, and controls the opening degree of the fifth air valve and the rotating speed of the exhaust fan according to a judgment result.
In one embodiment, the fresh air environment all-in-one machine further comprises a mixed air temperature and humidity sensor;
the area between the second air valve and the fourth air valve is an air mixing area;
the air mixing temperature and humidity sensor is arranged in the air mixing area, is in communication connection with the controller, measures the temperature and humidity of the air mixing area and transmits the temperature and humidity to the controller;
the controller calculates the mixed air dew point temperature according to the mixed air temperature and humidity signals, and judges whether condensation exists according to the mixed air area temperature and the mixed air dew point temperature; and the controller controls the opening degree of the fifth air valve and the rotating speed of the exhaust fan according to the judgment result.
In some embodiments, the box is a square box; the indoor air supply outlet, the outdoor fresh air inlet and the outdoor air outlet are respectively arranged at the tail ends of two ends of the box body in the length direction; the indoor air inlet is formed in one end, located indoors, of the box body.
In some embodiments, the height of the heat exchange core is mounted to fit the height of the tank; the heat exchange core body is fixedly arranged in the box body and divides the accommodating cavity into an indoor side and an outdoor side; and when the fresh air channel, the turbid air channel and the fourth air valve are opened, the indoor side and the outdoor side are respectively communicated.
In some embodiments, the fresh air environment all-in-one machine further comprises an air distribution plate and a stepping motor;
the box body comprises a bottom plate and a top plate; the stepping motor is fixedly connected with the bottom plate or the top plate, is in communication connection with the controller and is controlled by the controller;
the wind distribution plate is of a plate-shaped structure, is positioned outside the turbid air outlet, between the fourth air valve and the exhaust fan, is vertically arranged between the top plate and the bottom plate, and is fixedly connected with an output shaft of the stepping motor.
In some embodiments, the fresh air environment all-in-one machine further comprises a heat pump heat exchanger which is arranged in the box body and is positioned on the inner side of the indoor air supply outlet.
In some embodiments, the fresh air environment all-in-one machine further comprises a first filter screen and/or a second filter screen;
the first filter screen is arranged in the box body and is positioned on the inner side of the outdoor fresh air inlet;
the second filter screen is arranged in the box body and is positioned on the inner side of the indoor air supply outlet.
Compared with the prior art, the technical scheme of the utility model has the following technical effects:
the utility model relates to a fresh air environment all-in-one machine, which comprises a box body and a heat exchange core body; the heat exchange core body is fixedly arranged in the box body; the entered fresh air and the exhausted turbid air fully exchange heat and then enter the room and are exhausted out of the room; a first air valve is arranged between the indoor air inlet and the turbid air channel, a second air valve is arranged between the fresh air channel and the indoor air supply outlet, and a third air valve is arranged between the outdoor air outlet and the turbid air channel; the opening degrees of the first air valve, the second air valve and the third air valve are controlled and adjusted by the controller, so that the indoor circulation mode, the full fresh air mode and the air mixing mode are operated, air supply with different fresh air ratios in the air mixing mode is realized, the requirements of users on different fresh air ratios of indoor air supply are met, and the user experience is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a fresh air environment all-in-one machine according to the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of an all-in-one machine for fresh air environment according to the present invention;
FIG. 3 is a schematic structural diagram of a third embodiment of an all-in-one machine for fresh air environment according to the present invention;
fig. 4 is a control block diagram of an embodiment of the fresh air environment all-in-one machine of fig. 3.
Reference numerals:
1. a box body; 2. a heat exchange core; 3. a first air valve; 4. a second air valve; 5. a third air valve; 6. a fourth air valve; 7. a fifth air valve; 8. an indoor air supply fan; 9. an exhaust fan; 10. a heat pump heat exchanger; 20. a first filter screen; 30. a controller; 40. an indoor temperature and humidity sensor; 50. an outdoor temperature and humidity sensor; 60. a mixed air temperature and humidity sensor; 70. a wind distribution plate; 80. a stepping motor; 11. an indoor air supply outlet; 12. an indoor air inlet; 13. an outdoor fresh air port; 14. an outdoor air outlet; 15. a mixed air zone; 21. a fresh air channel; 22. a foul wind channel; 23. a fresh air inlet; 24. a fresh air outlet; 25. a muddy wind inlet; 26. and (6) a turbid wind outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In an embodiment, referring to fig. 1, 2, 3, and 4, the fresh air environment all-in-one machine includes a box 1, a heat exchange core 2, a first air valve 3, a second air valve 4, a third air valve 5, an indoor air supply fan 8, an exhaust fan 9, and a controller 30.
The box body 1 is a box body and forms an accommodating cavity; the heat exchange core body 2 comprises a fresh air channel 21 and a turbid air channel 22, and is used for fully exchanging heat between fresh air introduced through the fresh air channel 21 and turbid air discharged through the turbid air channel 22, recovering energy of the indoor discharged turbid air, and keeping energy balance indoors.
The heat exchange core body 2 is fixedly arranged in the box body 1, and a containing cavity in the box body 1 is divided into an indoor side and an outdoor side; an indoor air supply outlet 11 and an indoor air inlet 12 are arranged on the box body 1 positioned at the indoor side; an outdoor fresh air inlet 13 and an outdoor air outlet 14 are arranged on the box body 1 positioned at the outdoor side and are respectively used for indoor air supply, indoor air return or indoor air exhaust, outdoor fresh air introduction and indoor foul air discharge.
The fresh air channel 21 is communicated with the outdoor fresh air inlet 13 and the indoor air supply outlet 11; the foul air passage 22 is communicated with the indoor air inlet 12 and the outdoor air outlet 14.
The first air valve 3 is an opening-controllable air valve, is fixedly arranged on the indoor side in the box body 1, is positioned between the turbid air channel 22 and the indoor air supply outlet 11, and is used for controlling whether the turbid air channel 22 is communicated with the indoor air supply outlet 11 or not and controlling the communication degree.
The second air valve 4 is an opening-controllable air valve, is fixedly arranged on the inner side of the inner chamber of the box body 1, is positioned between the fresh air channel 21 and the indoor air supply outlet 11, and is used for controlling whether the fresh air channel 21 is communicated with the indoor air supply outlet 11 or not and the communication degree.
The third air valve 5 is an opening-controllable air valve, is fixedly arranged at the outdoor side in the box body 1, is positioned between the turbid air channel 22 and the outdoor air outlet 14, and is used for controlling whether the turbid air channel 22 is communicated with the outdoor air outlet 14 or not and the degree of communication.
Indoor air supply fan 8 sets up the indoor side in box 1, is located between first blast gate 3 and second blast gate 4 and the indoor supply-air outlet 11 for carry the new trend that gets into by second blast gate 4 during indoor circulation mode, the new trend of mixing the new trend passageway 21 during the new trend mode by the indoor wind that first blast gate 3 got into, the new trend of mixing the wind mode and through the indoor return air of first blast gate 3 and export.
The exhaust fan 9 is arranged at the outdoor side in the box body 1, is positioned between the outdoor exhaust outlet 14 and the turbid air channel 22, and is used for exhausting indoor turbid air conveyed by the turbid air channel 22.
The first air valve 3, the second air valve 4, the third air valve 5, the indoor air supply fan 8 and the exhaust fan 9 are respectively connected with a controller 30, and the opening degree or the rotating speed is respectively controlled by the controller 30.
When the fresh air environment all-in-one machine of the embodiment operates in the indoor circulation mode, the controller 30 controls the opening of the first air valve 3 to be fully opened, the opening of the second air valve 4 and the opening of the third air valve 5 to be zero, the indoor air supply fan 8 to operate, the exhaust fan 9 to stop operating, and controls the rotating speed of the indoor air supply fan 8 to control the indoor circulating air supply speed and the indoor circulating air volume.
When the fresh air environment all-in-one machine of the embodiment operates in the full fresh air mode, the controller 30 controls the opening of the first air valve 3 to be zero, the second air valve 4 and the third air valve 5 to be fully opened, the indoor air supply fan 8 to operate, and the exhaust fan 9 to operate, and controls the air supply speed and the air volume in the full fresh air mode by controlling the rotating speed of the indoor air supply fan 8.
When the fresh air environment all-in-one machine of the embodiment operates in the air mixing mode, the controller 30 controls the opening degree of the first air valve 3, the opening degree of the second air valve 4, the rotating speed of the indoor air supply fan 8 and the rotating speed of the exhaust fan 9 to adjust the fresh air ratio of indoor air supply, the first air valve 3 with different fresh air ratios, the opening degree of the second air valve 4 and the relation between the rotating speed of the indoor air supply fan 8 and the rotating speed of the exhaust fan 9 can be obtained through an experimental method, experimental data are stored in the controller 30, the fresh air environment all-in-one machine is used for controlling the opening degrees of the first air valve 3 and the second air valve 4 and the rotating speed of the indoor air supply fan 8 and the rotating speed of the exhaust fan 9, the requirement of a user for supplying air with an accurate fresh air ratio to the environment all-in-one machine is met, and user experience is improved.
The fresh air ratio is the ratio of the air quantity of the introduced fresh air to the indoor air circulating air quantity.
Preferably, the third air valve 5 is located between the outdoor air outlet 14 and the exhaust fan 9.
In an embodiment, referring to fig. 2, 3 and 4, the fresh air environment all-in-one machine further includes a fourth air valve 6, which is disposed in the box 1, connected to the controller 30, and the opening of which is controlled by the controller 30.
The fresh air channel 21 comprises a fresh air inlet 23 and a fresh air outlet 24 which are respectively close to the outdoor fresh air port 13 and the second air valve 4; the dirty air duct 22 includes a dirty air inlet 25 and a dirty air outlet 26, which are respectively close to the indoor air inlet 12 and the outdoor air outlet 14. The fourth air valve 6 is located between the turbid air outlet 26 and the fresh air outlet 24, namely, between the indoor side and the outdoor side, and is used for controlling whether the turbid air outlet 26 is communicated with the fresh air outlet 24 or not and the degree of communication, and an air mixing area 15 is formed between the fourth air valve 6 and the second air valve 4.
The fresh air environment all-in-one machine of the embodiment also comprises an indoor circulation mode, a fresh air mode and a mixed air mode.
When the indoor circulation mode is operated, the controller 30 controls the first air valve 3 to be fully opened and the opening degrees of the second air valve 4, the third air valve 5 and the fourth air valve 6 to be zero, and controls the indoor air supply fan 8 to be operated and the exhaust fan 9 to be stopped. The air supply amount and the air speed are controlled by controlling the rotating speed of the indoor air supply fan 8.
When the fresh air environment all-in-one machine of the embodiment operates in the full fresh air mode, the controller 30 controls the opening of the first air valve 3 to be zero, the opening of the fourth air valve 6 to be zero, the second air valve 4 to be fully opened, the third air valve 5 to be fully opened, the indoor air supply fan 8 to operate and the exhaust fan 9 to operate, and controls the air supply speed and the air volume in the full fresh air mode by controlling the rotating speed of the indoor air supply fan 8.
When the air mixing mode is used for operation, the controller 30 controls the opening degree of the first air valve 3 to be zero, controls the opening degrees of the second air valve 4, the third air valve 5 and the fourth air valve 6 and the rotating speeds of the indoor air supply fan 8 and the exhaust fan 9, so that part of all the turbid air entering from the indoor air inlet 12 passes through the heat exchange core body 2, is discharged out of a room through the third air valve 5, and part of the turbid air enters the air mixing area 15 through the fourth air valve 6 and is mixed with the fresh air flowing out of the outlet of the fresh air channel 21.
The fresh air environment all-in-one machine of the embodiment is provided with the fourth air valve 6, and the air mixing area 15 is formed between the fourth air valve 6 and the second air valve 4, so that the turbid air is mixed with the fresh air passing through the heat exchange core 2 in the air mixing area 15 after passing through the heat exchange core 2. Because the turbid air and the fresh air both pass through the heat exchange core body 2, the lengths of the air channels are closer, so that the resistance to the turbid air and the fresh air are closer, the air speed reaching the air mixing area 15 is closer, and the mixture of the turbid air and the fresh air is more uniform; when the air is sent to the indoor by the indoor air supply fan 8, the air supply quality is improved, and the comfort level is improved.
Certainly, when the fresh air environment all-in-one machine of this embodiment operates in the air mixing mode, the controller 30 can adjust the fresh air ratio of the indoor air supply by controlling the opening degrees of the third air valve 5 and the fourth air valve 6 and controlling the rotation speeds of the indoor air supply fan 8 and the indoor exhaust fan 9, and can obtain the opening degrees of the third air valve 5 and the fourth air valve 6 with different fresh air ratios and the relationships between the rotation speeds of the indoor air supply fan 8 and the indoor exhaust fan 9 through an experimental method, and store experimental data into the controller 30 for controlling the opening degrees of the third air valve 5 and the fourth air valve 6 and the rotation speeds of the indoor air supply fan 8 and the indoor exhaust fan 9, thereby satisfying the requirement of the user for air supply with an accurate fresh air ratio and improving the user experience.
In an embodiment, referring to fig. 2, 3 and 4, the fresh air environment all-in-one machine further includes a fifth air valve 7, which is controllable in opening degree, is disposed at the outdoor side in the box body 1, is located between the outdoor fresh air inlet 13 and the fresh air channel 21, and is used for controlling whether the outdoor fresh air inlet 13 is communicated with the fresh air channel 21 or not and the degree of communication.
The fifth damper 7 is connected to the controller 30, and the opening degree thereof is controlled by the controller 30.
The new trend environment all-in-one of this embodiment accessible control fifth blast gate 7's aperture control new trend's introduction volume to new trend when the operation of the mode of mixing wind of more accurate convenient control is compared, promotes user experience.
In an embodiment, referring to fig. 2, 3 and 4, an indoor temperature and humidity sensor 40, an outdoor temperature and humidity sensor 50 and/or a mixed wind temperature and humidity sensor 60 are further included.
The indoor temperature and humidity sensor 40, the outdoor temperature and humidity sensor 50 and the air mixing temperature and humidity sensor 60 are respectively arranged in the indoor fresh air inlet 13, the outdoor fresh air inlet 13 and the air mixing area 15 and are in communication connection with the controller 30.
The indoor temperature and humidity sensor 40, the outdoor temperature and humidity sensor 50 and the mixed air temperature and humidity sensor 60 respectively measure indoor temperature and humidity, outdoor temperature and humidity and mixed air temperature and humidity and transmit the measured values to the controller 30; the controller 30 determines whether condensation occurs or not according to the indoor temperature and humidity, the outdoor temperature and humidity and the mixed air temperature and humidity, and controls the opening degrees of the fifth air valve 7 and the third air valve 5 and the rotating speed of the exhaust fan 9 according to the determination result.
Specifically, the controller 30 calculates the temperature and enthalpy of the air volume in the air mixing region according to the air volume balance, the humidity balance, the heat balance and the heat-humidity ratio line in the mixing process of the fresh air and the turbid air, and calculates the dew point temperature of the air mixing region 15; if the temperature value of the air mixing area 15 is less than or equal to the dew point temperature plus a set threshold value, condensation is about to occur. At this time, the controller 30 controls the fifth air valve 7 to reduce the opening degree and reduce the introduction of fresh air; meanwhile, the third air valve 5 is controlled to reduce the opening degree, the exhaust fan 9 is controlled to increase the rotating speed, the return air quantity is increased, and the indoor air quantity is kept unchanged while condensation is avoided.
Or the controller 30 calculates the mixed air dew point temperature according to the mixed air temperature and humidity, and judges whether condensation exists according to the mixed air area temperature and the mixed air dew point temperature; the controller 30 controls the opening degrees of the fifth damper 7 and the third damper 5 and the rotation speed of the exhaust fan 9 according to the determination result.
Specifically, the controller 30 calculates the dew point temperature of the air volume in the air mixing area according to the temperature and humidity of the air mixing area; and if the temperature value of the air volume of the air mixing area is less than or equal to the dew point temperature plus a set threshold value, indicating that condensation is about to occur. At this time, the controller 30 controls the fifth air valve 7 to reduce the opening degree and reduce the introduction of fresh air; meanwhile, the controller 30 controls the third air valve 5 to reduce the opening degree, increase the rotating speed of the exhaust fan 9, increase the return air volume, avoid condensation and keep the indoor air volume unchanged.
The new trend environment all-in-one of this embodiment avoids the condensation when guaranteeing new trend ratio and air supply volume, prevents occurence of failure such as leaking, promotes user experience.
In some embodiments, referring to fig. 1, 2 and 3, the box 1 is a square box; the indoor air supply outlet 11, the outdoor fresh air inlet 13 and the outdoor air outlet 14 are respectively arranged at the tail ends of two ends of the box body 1 in the length direction; that is, the indoor air supply port 11 is provided at the end of one end in the longitudinal direction of the casing 1, and the outdoor fresh air port 13 and the outdoor air discharge port 14 are provided at the end of the other end in the longitudinal direction of the casing 1. The indoor air inlet 12 is arranged at one end of the box body 1, which is positioned indoors.
In some embodiments, with reference to fig. 1, 2 and 3, the height of the heat exchange core 2 is fitted to the height of the tank 1; the box body 1 comprises a top plate and a bottom plate; the heat exchange core body 2 is fixedly arranged in the box body 1, is respectively and fixedly connected with the top plate and the bottom plate, and divides the accommodating cavity into an indoor side and an outdoor side; when the fresh air channel 21, the turbid air channel 22 and the fourth air valve 6 are opened, the indoor side and the outdoor side are respectively communicated.
The first air valve 3 is respectively and fixedly connected with the heat exchange core body 2, the top plate and the bottom plate; the second air valve 4 is respectively and fixedly connected with the heat exchange core body 2, the top plate and the bottom plate; the fourth air valve 6 is respectively and fixedly connected with the heat exchange core body 2, the top plate and the bottom plate.
The fresh air environment all-in-one machine of this embodiment is simple in structure, and is rationally distributed, reduces the design degree of difficulty.
In some embodiments, referring to fig. 3 and 4, the fresh air environment all-in-one machine further includes a wind dividing plate 70 and a stepping motor 80.
The stepping motor 80 is fixedly connected to the bottom plate or the top plate, is in communication with the controller 30, and is controlled by the controller 30.
The wind distribution plate 70 is of a plate-shaped structure, is located outside the turbid air outlet 26, between the fourth air valve 6 and the exhaust fan 9, is vertically arranged between the top plate and the bottom plate, and is fixedly connected with an output shaft of the stepping motor 80.
In the embodiment, the controller 30 controls the rotation amplitude of the stepping motor 80 to control the angle between the wind distributing plate 70 and the turbid air outlet 26, so as to control the proportion of the turbid air to return air and exhaust air, and the fresh air ratio control efficiency is higher.
In some embodiments, referring to fig. 1, 2 and 3, the fresh air environment all-in-one machine further includes a heat pump heat exchanger 10, which is disposed at the indoor side in the box 1 and located at the inner side of the indoor air supply outlet 11, and assists in heating or cooling the air entering the room, so that the comfort of the user is improved, and the user experience is improved.
In some embodiments, referring to fig. 1, 2 and 3, the fresh air environment all-in-one machine further includes a first filter 20 and/or a second filter.
The first filter screen 20 is disposed inside the cabinet 1 and inside the outdoor fresh air inlet 13.
The second filter is arranged in the box body 1 and is positioned at the inner side of the indoor air supply outlet 11.
The fresh air environment all-in-one machine of the embodiment enables an indoor circulation mode, a fresh air mode and an air mixing mode to filter the air quantity entering the room, and improves the indoor air quality.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a new trend environment all-in-one which characterized in that includes:
a case forming a receiving cavity; the box body is provided with an indoor air inlet, an indoor air supply outlet, an outdoor air outlet and an outdoor fresh air inlet;
the heat exchange core body is fixedly arranged in the box body and comprises a fresh air channel and a turbid air channel; the fresh air channel is communicated with the indoor air supply outlet and the outdoor fresh air outlet; the turbid air channel is communicated with the indoor air inlet and the outdoor air outlet;
the first air valve is arranged in the box body, positioned between the indoor air inlet and the indoor air supply outlet and used for controlling whether the indoor air inlet is communicated with the indoor air supply outlet or not and controlling the communication degree;
the opening of the second air valve can be controlled, the second air valve is arranged in the box body, is positioned between the indoor air supply outlet and the fresh air channel and is used for controlling whether the indoor air supply outlet is communicated with the fresh air channel or not and controlling the communication degree of the indoor air supply outlet and the fresh air channel;
the opening of the third air valve can be controlled, the third air valve is arranged in the box body, is positioned between the outdoor air outlet and the turbid air channel and is used for controlling whether the outdoor air outlet is communicated with the turbid air channel or not and controlling the degree of communication;
the indoor air supply fan is arranged in the box body and is positioned between the indoor air supply outlet and the first air valve and between the indoor air supply outlet and the second air valve;
the exhaust fan is arranged in the box body and is positioned between the turbid air channel and the third air valve;
and the controller is respectively connected with the first air valve, the second air valve, the third air valve, the indoor air supply fan and the exhaust fan and is used for controlling the opening degree of the first air valve, the second air valve and the third air valve and controlling the indoor air supply fan and the exhaust fan to run at different speeds.
2. The fresh air environment all-in-one machine as claimed in claim 1, further comprising a fourth air valve, which is arranged in the box body, is connected with the controller, and the opening degree of the fourth air valve is controlled by the controller;
the fresh air channel comprises a fresh air inlet and a fresh air outlet which are respectively close to the outdoor fresh air port and the second air valve;
the turbid air channel comprises a turbid air inlet and a turbid air outlet which are respectively close to the indoor air inlet and the outdoor air outlet;
and the fourth air valve is positioned between the turbid air outlet and the fresh air outlet and is used for controlling whether the turbid air outlet is communicated with the fresh air outlet or not and the communication degree.
3. The fresh air environment all-in-one machine as claimed in claim 2, further comprising a fifth air valve with controllable opening degree, arranged in the box body and located between the outdoor fresh air opening and the fresh air channel, and used for controlling whether the outdoor fresh air opening is communicated with the fresh air channel or not and the communication degree;
and the fifth air valve is connected with the controller, and the opening degree of the fifth air valve is controlled by the controller.
4. The fresh air environment all-in-one machine according to claim 3, further comprising an indoor temperature and humidity sensor, an outdoor temperature and humidity sensor and a mixed air temperature and humidity sensor;
the area between the second air valve and the fourth air valve is an air mixing area;
the indoor temperature and humidity sensor, the outdoor temperature and humidity sensor and the air mixing temperature and humidity sensor are respectively arranged in an indoor area, the outdoor fresh air inlet and the air mixing area and are in communication connection with the controller;
the indoor temperature and humidity sensor, the outdoor temperature and humidity sensor and the mixed air temperature and humidity sensor respectively measure indoor temperature and humidity, outdoor temperature and humidity and mixed air temperature and humidity and transmit the measured values to the controller; the controller judges whether condensation exists or not according to the indoor temperature and humidity, the outdoor temperature and humidity and the mixed air temperature and humidity, and controls the opening degree of the fifth air valve and the rotating speed of the exhaust fan according to a judgment result.
5. The fresh air environment all-in-one machine of claim 3, further comprising a mixed air temperature and humidity sensor;
the area between the second air valve and the fourth air valve is an air mixing area;
the air mixing temperature and humidity sensor is arranged in the air mixing area, is in communication connection with the controller, measures the temperature and humidity of the air mixing area and transmits the temperature and humidity to the controller;
the controller calculates the mixed air dew point temperature according to the mixed air temperature and humidity signals, and judges whether condensation exists according to the mixed air area temperature and the mixed air dew point temperature; and the controller controls the opening degree of the fifth air valve and the rotating speed of the exhaust fan according to the judgment result.
6. Fresh air environment all-in-one machine as claimed in any one of claims 2 to 5,
the box body is a square box body; the indoor air supply outlet, the outdoor fresh air inlet and the outdoor air outlet are respectively arranged at the tail ends of two ends of the box body in the length direction; the indoor air inlet is formed in one end, located indoors, of the box body.
7. The fresh air environment all-in-one machine as claimed in claim 6, wherein the height of the heat exchange core is matched with the height of the box body in an installation mode; the heat exchange core body is fixedly arranged in the box body and divides the accommodating cavity into an indoor side and an outdoor side; and when the fresh air channel, the turbid air channel and the fourth air valve are opened, the indoor side and the outdoor side are respectively communicated.
8. The fresh air environment all-in-one machine of claim 7, further comprising a wind distribution plate and a stepping motor;
the box body comprises a bottom plate and a top plate; the stepping motor is fixedly connected with the bottom plate or the top plate, is in communication connection with the controller and is controlled by the controller;
the wind distribution plate is of a plate-shaped structure, is positioned outside the turbid air outlet, between the fourth air valve and the exhaust fan, is vertically arranged between the top plate and the bottom plate, and is fixedly connected with an output shaft of the stepping motor.
9. A fresh air environment all-in-one machine as claimed in any one of claims 1 to 5, further comprising a heat pump heat exchanger disposed inside the box body and located inside the indoor air supply outlet.
10. A fresh air environment all-in-one machine as claimed in any one of claims 1 to 5, further comprising a first filter and/or a second filter;
the first filter screen is arranged in the box body and is positioned on the inner side of the outdoor fresh air inlet;
the second filter screen is arranged in the box body and is positioned on the inner side of the indoor air supply outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121336443.XU CN215765589U (en) | 2021-06-16 | 2021-06-16 | Fresh air environment all-in-one machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121336443.XU CN215765589U (en) | 2021-06-16 | 2021-06-16 | Fresh air environment all-in-one machine |
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| Publication Number | Publication Date |
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| CN215765589U true CN215765589U (en) | 2022-02-08 |
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| CN202121336443.XU Active CN215765589U (en) | 2021-06-16 | 2021-06-16 | Fresh air environment all-in-one machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484836A (en) * | 2022-03-02 | 2022-05-13 | 青岛海信日立空调系统有限公司 | Total heat exchanger |
-
2021
- 2021-06-16 CN CN202121336443.XU patent/CN215765589U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484836A (en) * | 2022-03-02 | 2022-05-13 | 青岛海信日立空调系统有限公司 | Total heat exchanger |
| CN114484836B (en) * | 2022-03-02 | 2024-03-22 | 青岛海信日立空调系统有限公司 | Total heat exchanger |
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