CN113739310B - Energy-saving ventilation device for green building - Google Patents

Energy-saving ventilation device for green building Download PDF

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Publication number
CN113739310B
CN113739310B CN202110951584.0A CN202110951584A CN113739310B CN 113739310 B CN113739310 B CN 113739310B CN 202110951584 A CN202110951584 A CN 202110951584A CN 113739310 B CN113739310 B CN 113739310B
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China
Prior art keywords
ventilation
ventilator
exhaust fan
building
filter screen
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CN202110951584.0A
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Chinese (zh)
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CN113739310A (en
Inventor
周双枝
王进
王平
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Xinshi Construction Group Co ltd
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Xinshi Construction Group Co ltd
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Priority to CN202110951584.0A priority Critical patent/CN113739310B/en
Publication of CN113739310A publication Critical patent/CN113739310A/en
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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
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • 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
    • F24F7/00—Ventilation
    • F24F7/003—Ventilation in combination with air cleaning
    • 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
    • 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
    • F24F8/90—Cleaning of purification apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1863—Arrangement or mounting of electric heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
    • F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
    • 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]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Ventilation (AREA)

Abstract

The invention discloses an energy-saving ventilation device for a green building, which comprises: the system comprises an exhaust fan, a ventilator and a controller, wherein the exhaust fan and the ventilator are respectively arranged on the upper part and the lower part of the same external wall body of the same building; the exhaust fan and the ventilator are respectively communicated with the indoor space corresponding to the building; solar panels are arranged outside the ventilator and the exhaust fan, and are electrically connected with power supplies inside the ventilator and the exhaust fan; the ventilator comprises a ventilator shell, a first isolation net, a filtering device, a ventilation assembly and an air heating device; the controller is respectively in signal connection with the ventilation assembly, the air heating device and the exhaust fan. The invention can form a replacement ventilation system with lower side ventilation and upper return air in a building room, and has high ventilation efficiency and temperature efficiency. And can reduce the indoor vertical temperature gradient of building, improve indoor personnel's comfort level.

Description

Energy-saving ventilation device for green building
Technical Field
The invention relates to the field of building ventilation devices. More particularly, the invention relates to an energy-saving ventilating device for green buildings.
Background
The green building is a high-quality building which saves resources, protects the environment, reduces pollution, provides healthy, applicable and efficient use space for people and furthest realizes harmonious symbiosis between people and nature in the whole life cycle of the building. Wherein a healthy and comfortable indoor environment is one of the important factors for evaluating green buildings. However, pollution of indoor decoration, dust pollution caused by indoor production and the like can cause serious influence on human health in a closed space. And it is difficult to discharge harmful gas in the building to the outside in time only by natural ventilation, especially in buildings with an impermeable indoor pattern and dense high-rise buildings. Therefore, in recent years, some buildings adopt a mechanical ventilation mode to enhance the circulation of indoor and outdoor air and improve the indoor air quality. In the existing building ventilation device, a mixed ventilation mode that an air inlet and an air outlet are arranged on the same device is generally adopted, and the device is basically arranged on the upper part of a building. The movement of human body and the indoor furniture are concentrated on the middle and lower part of the building, so that the ventilation efficiency and the temperature efficiency of the ventilation device are not very high. On the other hand, because of the existence of the heat source in the building room, when the building is ventilated, the temperature difference exists in the building room in the vertical direction, and if the temperature difference is too large, the comfort level of a human body can be realized during ventilation.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
To achieve these objects and other advantages and in accordance with the purpose of the invention, as embodied and broadly described, there is provided an energy saving ventilating device for green buildings, comprising: the system comprises an exhaust fan, a ventilator and a controller, wherein the exhaust fan and the ventilator are respectively arranged on the upper part and the lower part of the same external wall body of the same building; the exhaust fan and the ventilator are respectively communicated with the indoor space corresponding to the building;
solar panels are arranged outside the ventilator and the exhaust fan, and are electrically connected with power supplies inside the ventilator and the exhaust fan;
the ventilator comprises a ventilator shell which is transversely arranged in an outer wall of a building, and a first isolation net is arranged at one end of the ventilator shell, which is communicated with the outside of the building; a filtering device, a ventilation assembly and an air heating device are sequentially arranged in the ventilation machine shell and close to the first isolation net; one end of the ventilator shell communicated with the interior of the building is rotatably connected with a ventilation grille;
the controller is respectively in signal connection with the ventilation assembly, the air heating device and the exhaust fan.
Preferably, the system further comprises a first temperature sensor and a second temperature sensor which are respectively arranged close to the ventilator and the exhaust fan in the building room; the first temperature sensor and the second temperature sensor are respectively in signal connection with the controller.
Preferably, the ventilation assembly includes a bi-directional pumping fan, a ventilation motor and a first support column; first support column card is established and is installed in the ventilation casing, the ventilation motor is fixed first on the support column, two-way pump drainage fan with ventilation motor's output shaft fixed connection.
Preferably, the filtering device comprises a pair of filtering nets arranged side by side, and an opening and closing device is arranged on one side of each filtering net close to the side wall of the ventilator shell;
the opening and closing device comprises a rotating shaft, a rotating motor and a connecting rod, the rotating shaft is fixedly connected with an output shaft of the rotating motor, the connecting rod is horizontally arranged, and one end of the connecting rod is fixedly connected with the rotating shaft;
the filter screen is fixedly provided with a first vertical rod and a second vertical rod, the connecting rod is far away from a sleeve of the rotating shaft and is arranged on the first vertical rod, and a sliding groove for the second vertical rod to horizontally slide is formed in the inner top surface of the ventilator shell.
Preferably, the filtering device further comprises a screw rod, a screw rod nut and an air blower, the screw rod and the rotating shaft are coaxially arranged, and one end of the screw rod is fixedly connected with the rotating shaft; the air blower is fixedly arranged on the screw rod nut, and the air outlet faces the filter screen.
Preferably, the first vertical rod and the second vertical rod are identical in structure and respectively comprise an L-shaped vertical rod and a connecting plate, the connecting plate is vertically and fixedly connected with the horizontal end of the vertical rod, and the connecting plate is fixedly connected with the filter screen.
Preferably, the periphery of the filter screen is provided with a sealing rubber pad.
Preferably, the air heating device comprises an upper heat insulation plate, a lower heat insulation plate and a plurality of heat generators, the upper heat insulation plate and the lower heat insulation plate are respectively and fixedly connected with the inner top surface and the inner bottom surface of the ventilation shell, and the plurality of heat generators are arranged on the upper heat insulation plate and the lower heat insulation plate in a staggered manner.
Preferably, the ventilation grid includes a set of parallel arrangement's bars, every the both ends of bars are all fixed and are provided with the connecting axle, the fan casing with the one end both sides that the ventilation grid is connected be provided with a plurality of with connecting axle matched with recess.
The invention at least comprises the following beneficial effects:
1. the invention provides an energy-saving ventilating device for a green building, which is characterized in that an exhaust fan and a ventilator are respectively arranged at the upper part and the lower part of a wall body outside the same surface, so that a replacement ventilating system for lower side ventilation and upper return air is formed in a building room. The air concentrated around the heat source at the middle lower part in the building room forms heat jet flow, drives the mixed gas formed by the fresh air at the periphery and the indoor air to rise, and then is exhausted out of the building room through the exhaust fan at the upper part, so that the indoor air quality is kept, and the ventilation efficiency and the temperature efficiency are high. And, be provided with air heating device in the ventilation blower, can carry out the appropriate heating to the air before to indoor ventilation to reduce the indoor vertical temperature gradient of building, improve indoor personnel's comfort level.
2. According to the green building energy-saving ventilation device provided by the invention, the temperature sensors are respectively arranged near the ventilator and the exhaust fan to measure the temperature difference of the upper part and the lower part in the building room, whether the air heating device is started or not is controlled by the controller according to the temperature difference, the vertical temperature gradient in the building room is controlled in a proper range of a human body, meanwhile, the air heating device is prevented from being started for a long time, and the energy consumption is reduced.
3. In the energy-saving ventilation device for the green building, which is provided by the invention, the filtering device comprises a pair of filter screens which are arranged side by side, and when the ventilation state is realized, the pair of filter screens are arranged side by side to form a complete filter screen for filtering air entering from the outdoor; when the ventilation device is in a non-ventilation state, the pair of filter screens can be respectively rotated to two sides to be opened, and the surfaces facing outdoors are opposite. At the moment, the bidirectional exhaust fan and the ventilation motor in the ventilation assembly are adjusted to be in an exhaust state, and dust on the filter screen is blown out of a room to clean the filter screen without manual disassembly and cleaning.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of an energy-saving ventilation device according to an embodiment of the present invention;
fig. 2 is a schematic view of the internal structure of the ventilator according to the above embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of the exhaust fan according to the above embodiment of the present invention;
FIG. 4 is a schematic structural view of the filter device according to the above embodiment of the present invention;
fig. 5 is a schematic structural diagram of the first vertical rod and the second vertical rod in the above embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 5, the present invention provides an energy-saving ventilating device for green buildings, comprising: the system comprises an exhaust fan 3, a ventilator 1 and a controller, wherein the exhaust fan 3 and the ventilator 1 are respectively arranged at the upper part and the lower part of the same external wall of the same building; the exhaust fan 3 and the ventilator 1 are respectively communicated with the indoor space corresponding to the building;
solar panels are arranged outside the ventilator 1 and the exhaust fan 3 and are electrically connected with power supplies inside the ventilator 1 and the exhaust fan 3;
the ventilator 1 comprises a ventilator shell 13 which is transversely arranged in an outer wall of a building, and a first isolation net 11 is arranged at one end of the ventilator shell 13 communicated with the outside of the building; a filtering device 12, a ventilation assembly 14 and an air heating device 15 are sequentially arranged inside the ventilator shell 13 and close to the first isolation net 11; one end of the ventilator shell 13 communicated with the interior of the building is rotatably connected with a ventilation grille 17;
the controller is respectively connected with the ventilation assembly 14, the air heating device 15 and the exhaust fan 3 through signals.
In this technical solution, the exhaust fan 3 and the ventilator 1 are respectively disposed at the upper portion and the lower portion of the same external wall of the same building, the ventilator 1 ventilates the building interior at the lower portion, the exhaust fan 3 exhausts the air in the building interior to the outside at the upper portion, and a replacement ventilation system of lower side ventilation and upper return air is formed in the building interior. The lower part is introduced with indoor fresh air to form mixed gas with the surrounding air; the heat sources in the building, such as human body, electric appliances, etc., are mostly concentrated at the middle and lower part of the room, and the air around the heat sources forms a hot jet flow which drives the upper body of the mixed gas and then is exhausted out of the room through the exhaust fan 3 at the upper part, so that the circulation is realized, the indoor air quality is always kept at a high level, and the ventilation efficiency and the temperature efficiency are high. Be provided with air heating device 15 in ventilation blower 1, can suitably heat the air before ventilating to the room to reduce the indoor perpendicular temperature gradient of building, improve indoor personnel's comfort level. The controller is respectively connected with the ventilation assembly 14, the air heating device 15 and the exhaust fan 3 through signals to control the opening and closing of the ventilation assembly 14, the air heating device 15 and the exhaust fan 3, and the controller can be a PLC (programmable logic controller). And solar panel can to ventilator 1 with the inside power supply of exhaust fan 3 supplies power, reduces the consumption to the electric energy, practices green building theory. The power supply supplies power to the electrical equipment in the ventilator 1 or the exhaust fan 3. The exhaust fan 3 can be a conventional commercially available exhaust fan device, or as shown in fig. 3, the exhaust fan comprises an exhaust fan shell 33, the exhaust fan shell 33 is transversely arranged in the outer wall of the building, and one end of the exhaust fan shell, which is communicated with the outside of the building, is provided with a second isolation net 31; an exhaust component 32 is arranged in the exhaust fan shell; an air return port 34 is formed in one end, communicated with the interior of the building, of the exhaust fan shell 33; the exhaust assembly 32 comprises an exhaust fan 323, an exhaust motor 322 and a second support column 321, two ends of the second support column 321 are respectively fixedly connected with the inner top surface and the inner bottom surface of the exhaust fan shell 33, the exhaust motor 322 is fixed on the second support column 321, and the exhaust fan 323 is fixedly connected with an output shaft of the exhaust motor 322. In the ventilator 1, the first separation net 11 is used for preventing birds and large objects from entering, the filtering device 12 is used for preventing particle pollutants in air from entering a room, and the ventilation assembly 14 is used for drawing outdoor air into the room. One end of the ventilator shell 13 communicated with the interior of the building is rotatably connected with a ventilation grille 17, and the angle of ventilation to the interior of the building can be adjusted by rotating the ventilation grille 17.
In another embodiment, the system further comprises a first temperature sensor 2 and a second temperature sensor 3 which are respectively arranged close to the ventilator 1 and the exhaust fan 3 in a building room; the first temperature sensor 2 and the second temperature sensor 3 are respectively in signal connection with the controller.
In this solution, the temperatures of the lower and upper parts of the building interior are measured by the first temperature sensor 2 and the second temperature sensor 3, respectively, and the measured data are fed back to the controller. The controller obtains the temperature gradient in the vertical direction in the building according to the temperature data, and controls whether to start the air heating device 15 to heat the air introduced into the room according to the temperature gradient, so that the temperature gradient in the building room is controlled in a proper range. Meanwhile, the air heating device is prevented from being started for a long time, and the energy consumption is reduced.
In another embodiment, the ventilation assembly 14 includes a bi-directional extraction fan 141, a ventilation motor 142, and a first support column 143; the first supporting column 143 is installed in the ventilation housing 13 in a clamping manner, the ventilation motor 142 is fixed on the first supporting column 143, and the bidirectional exhaust fan 141 is fixedly connected with an output shaft of the ventilation motor 142.
In this technical solution, the bidirectional exhaust fan 141 can draw air or discharge air with the positive rotation or the negative rotation of the ventilation motor 142, and when ventilation is required, the bidirectional exhaust fan 141 is used as an exhaust fan to draw outdoor air into a room; when ventilation is not required, the bidirectional exhaust fan 141 can be used as an exhaust fan to exhaust air to the outside, and simultaneously blow off dust attached to the filter device 12 and exhaust the dust out of the ventilator case 13 through the first isolation net 11, thereby realizing the cleaning function of the filter device.
In another embodiment, the filtering device 12 includes a pair of filtering nets 121 disposed side by side, and an opening and closing device is disposed on one side of each filtering net close to the side wall of the ventilator case 13;
the opening and closing device comprises a rotating shaft 124, a rotating motor 125 and a connecting rod 126, the rotating shaft 124 is fixedly connected with an output shaft of the rotating motor 125, the connecting rod 126 is horizontally arranged, and one end of the connecting rod 126 is fixedly connected with the rotating shaft 124;
a first vertical rod 127 and a second vertical rod 128 are fixedly arranged on the filter screen 121, a sleeve of the connecting rod 126 far away from the rotating shaft 124 is sleeved on the first vertical rod 127, and a sliding groove for the second vertical rod 128 to horizontally slide is arranged on the inner top surface of the ventilator case 13.
In this technical solution, a pair of the filter screens 121 form a structure similar to a double-door, in a ventilation state, the pair of the filter screens 121 are arranged side by side to form a complete filter screen, the double-door is closed, and outdoor air can enter the room after being filtered by the pair of the filter screens 121. In a non-ventilation state, the rotating motor 125 can be started to drive the rotating shaft 124 to rotate, so as to drive the connecting rod 126 to rotate, and a end of the connecting rod 126 is sleeved on the first vertical rod 127 on the filter screen 121, so that the filter screen 121 also rotates. When the filter screen 121 rotates, the second vertical rod 128 moves linearly along the sliding groove, and the filter screen 121 is opened to one side. The connecting rod 126, the filter screen 121 and the chute thus together form a crank linkage. When the rotating motors 125 on the pair of filter screens 121 rotate at the same speed, the pair of filter screens 121 can be opened to both sides at the same time, and are opened from the outside to the inside similarly to a double-door, at this time, the surfaces of the pair of filter screens 121 to which dust is attached are just opposite, and in the opening process, the dust on the filter screens 121 can also shake off due to movement. Meanwhile, the ventilation assembly 14 is started to exhaust air in a matching manner, so that dust on the filter screen 121 can be blown off and blown out of a room, and the filter screen is automatically cleaned. After the cleaning is completed, the rotation motor 125 is rotated in a reverse direction to return the filter screen 121 to the initial position. The rotating motors on the pair of filter screens 121 are in signal connection with the controller. The rotating motor 125 is fixedly connected to the ventilator housing 13, and may be fixedly installed on the upper portion of the ventilator housing 13, or may be fixedly disposed inside the ventilator housing 13.
In another embodiment, the filter device 12 further includes a screw 123, a screw nut 122 and a blower, the screw 123 is coaxially disposed with the rotating shaft 124, and one end of the screw 123 is fixedly connected with the rotating shaft 124; the blower is fixedly arranged on the screw rod nut 122, and the air outlet faces the filter screen 121.
In this technical solution, in a non-ventilation state, when the rotating motor 125 rotates, the screw rod 123 also rotates, so as to drive the screw rod nut 122 matched with the screw rod 123 to make a linear motion along the screw rod 123, and therefore, the blower also moves the screw rod nut 122 and blows air to the filter screen 121 at the same time, and the dust on the filter screen 121 is cleaned by a short-distance blowing assistance.
In another embodiment, the first vertical rod 127 and the second vertical rod 128 have the same structure, and each of the first vertical rod 127 and the second vertical rod 128 includes an L-shaped vertical rod 1271 and a connecting plate 1272, the connecting plate 1272 is vertically and fixedly connected to the horizontal end of the vertical rod 1272, and the connecting plate 1272 is fixedly connected to the filter screen 121.
In this technical scheme, through the horizontal ends of the first vertical rod 127 and the second vertical rod 128, the first vertical rod 127 and the second vertical rod 128 are away from the filter screen 121 by a certain distance, instead of directly arranging two vertical rods at the top of the filter screen 121 for connection, so that the top end of the filter screen 121 can be tightly abutted to the ventilator housing 13, and the filtering effect is ensured.
In another embodiment, a sealing rubber pad is disposed on the periphery of the filter screen 121. Through sealing rubber pad makes filter screen 121 with between ventilator housing 13 and a pair of sealing connection can both be realized between the filter screen 121, avoid the granule pollutant in the air to cross through the gap filter screen 121 gets into indoorly, further guarantees the filter effect.
In another embodiment, the air heating apparatus 15 includes an upper heat insulation plate 151, a lower heat insulation plate 153, and a plurality of heat generators 152, the upper heat insulation plate 151 and the lower heat insulation plate 153 are fixedly connected to the inner top surface and the inner bottom surface of the ventilator case 13, respectively, and the plurality of heat generators 152 are alternately disposed on the upper heat insulation plate 151 and the lower heat insulation plate 153.
In this technical solution, when the air entering the building needs to be heated, the controller activates the heat generator 152 in the air heating device 15 to start heating, the heat generator 152 may be a common electric heat generator, and the heat generators 152 above and below are arranged in a staggered manner to uniformly heat the air, thereby increasing the heating efficiency.
In another embodiment, the ventilation grille 17 includes a set of parallel grills, two ends of each grille are fixedly provided with a connecting shaft 16, and two sides of one end of the ventilation housing 13 connected with the ventilation grille 17 are provided with a plurality of grooves matched with the connecting shafts 16. In this technical scheme, the connecting shaft 16 can rotate in the groove, and the fresh air entering indoor scheduling can be adjusted by rotating the grid bars.
While embodiments of the invention have been described above, it is not intended to be limited to the details shown, described and illustrated herein, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed, and to such extent that such modifications are readily available to those skilled in the art, and it is not intended to be limited to the details shown and described herein without departing from the general concept as defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides an energy-conserving ventilation unit for green building which characterized in that includes: the system comprises an exhaust fan, a ventilator and a controller, wherein the exhaust fan and the ventilator are respectively arranged on the upper part and the lower part of the same external wall body of the same building; the exhaust fan and the ventilator are respectively communicated with the indoor space corresponding to the building;
solar panels are arranged outside the ventilator and the exhaust fan, and are electrically connected with power supplies inside the ventilator and the exhaust fan;
the ventilator comprises a ventilator shell which is transversely arranged in an outer wall of a building, and a first isolation net is arranged at one end of the ventilator shell, which is communicated with the outside of the building; a filtering device, a ventilation assembly and an air heating device are sequentially arranged in the ventilation machine shell and close to the first isolation net; one end of the ventilation machine shell, which is communicated with the interior of the building, is rotatably connected with a ventilation grille;
the controller is respectively in signal connection with the ventilation assembly, the air heating device and the exhaust fan;
the filter device comprises a pair of filter screens arranged side by side, and an opening and closing device is arranged on one side of each filter screen close to the side wall of the ventilator shell;
the opening and closing device comprises a rotating shaft, a rotating motor and a connecting rod, the rotating shaft is fixedly connected with an output shaft of the rotating motor, the connecting rod is horizontally arranged, and one end of the connecting rod is fixedly connected with the rotating shaft;
a first vertical rod and a second vertical rod are fixedly arranged on the filter screen, one end, far away from the rotating shaft, of the connecting rod is sleeved on the first vertical rod, and a sliding groove for the second vertical rod to horizontally slide is formed in the inner top surface of the ventilation machine shell;
in a ventilation state, the pair of filter screens are arranged side by side to form a complete filter screen, and outdoor air can enter a room after being filtered by the pair of filter screens; in a non-ventilation state, the rotating motor can be started to drive the rotating shaft to rotate, so that the connecting rod is driven to rotate, one end of the connecting rod is sleeved on the first vertical rod on the filter screen, and the filter screen also rotates along with the connecting rod; when the filter screen rotates, the second vertical rod moves linearly along the sliding groove, and the filter screen is opened towards one side; when the rotating motors on the pair of filter screens rotate at the same speed, the pair of filter screens can be opened towards two sides at the same time, the surfaces of the pair of filter screens, which are attached with dust, are just opposite, and the dust on the filter screens can shake off due to movement in the opening process; meanwhile, the ventilation assembly is started to exhaust air in a matched manner, so that dust on the filter screen can be blown off and blown out of a room, and the automatic cleaning of the filter screen is realized; after cleaning, the rotating motor is rotated reversely to return the filter screen to the initial position.
2. The energy-saving ventilating device for greenhouses according to claim 1, further comprising a first temperature sensor and a second temperature sensor provided in the building room adjacent to said ventilating fan and said exhaust fan, respectively; the first temperature sensor and the second temperature sensor are respectively in signal connection with the controller.
3. An energy-saving ventilating device for green buildings according to claim 1, wherein the ventilating assembly comprises a bidirectional exhaust fan, a ventilating motor and a first supporting column; first support column card is established and is installed in the ventilation casing, the ventilation motor is fixed first on the support column, two-way pump drainage fan with ventilation motor's output shaft fixed connection.
4. The energy-saving ventilating device for green buildings as claimed in claim 1, wherein the filtering device further comprises a screw rod, a screw rod nut and a blower, the screw rod is coaxially arranged with the rotating shaft, and one end of the screw rod is fixedly connected with the rotating shaft; the air blower is fixedly arranged on the screw rod nut, and the air outlet faces the filter screen.
5. The energy-saving ventilating device for the green building as claimed in claim 1, wherein the first vertical rod and the second vertical rod have the same structure and each comprise an L-shaped vertical rod and a connecting plate, the connecting plate is vertically and fixedly connected with the horizontal end of the vertical rod, and the connecting plate is fixedly connected with the filter screen.
6. The energy-saving ventilating device for green buildings as claimed in claim 1, wherein a sealing rubber pad is provided on the periphery of the filtering net.
7. The energy-saving ventilating device for greenhouses according to claim 1, wherein the air heating means comprises an upper heat-insulating plate, a lower heat-insulating plate and a plurality of heat generators, the upper heat-insulating plate and the lower heat-insulating plate are fixedly connected to the inner top surface and the inner bottom surface of the ventilating housing, respectively, and the plurality of heat generators are alternately arranged on the upper heat-insulating plate and the lower heat-insulating plate.
8. The energy-saving ventilating device for green buildings as claimed in claim 1, wherein the ventilating grid comprises a set of grid bars arranged in parallel, both ends of each grid bar are fixedly provided with connecting shafts, and both sides of one end of the ventilating machine shell connected with the ventilating grid bar are provided with a plurality of grooves matched with the connecting shafts.
CN202110951584.0A 2021-08-17 2021-08-17 Energy-saving ventilation device for green building Active CN113739310B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60152845A (en) * 1984-01-20 1985-08-12 Matsushita Seiko Co Ltd Ventilator
CN202064797U (en) * 2010-10-20 2011-12-07 朱旭红 Solar external circulating air displacement purifying window
CN107449067A (en) * 2017-09-14 2017-12-08 徐文学 A kind of new blower fan of transparent energy-saving window
KR101808116B1 (en) * 2017-05-10 2017-12-13 주식회사 구펜 Air purification system
CN108180588A (en) * 2017-12-31 2018-06-19 苗娥 A kind of indoor ventilation fan
CN212805938U (en) * 2020-07-13 2021-03-26 李毅坤 Warm ventilation unit that leads to of building

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60152845A (en) * 1984-01-20 1985-08-12 Matsushita Seiko Co Ltd Ventilator
CN202064797U (en) * 2010-10-20 2011-12-07 朱旭红 Solar external circulating air displacement purifying window
KR101808116B1 (en) * 2017-05-10 2017-12-13 주식회사 구펜 Air purification system
CN107449067A (en) * 2017-09-14 2017-12-08 徐文学 A kind of new blower fan of transparent energy-saving window
CN108180588A (en) * 2017-12-31 2018-06-19 苗娥 A kind of indoor ventilation fan
CN212805938U (en) * 2020-07-13 2021-03-26 李毅坤 Warm ventilation unit that leads to of building

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