CN111207491A

CN111207491A - Room ventilation control method based on exhaust type fresh air machine

Info

Publication number: CN111207491A
Application number: CN202010093187.XA
Authority: CN
Inventors: 陈金华; 段超凡; 路立地; 唐茂川; 谢文进; 刘志龙
Original assignee: Chongqing University
Current assignee: Chongqing University
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-05-29
Anticipated expiration: 2040-02-14
Also published as: CN111207491B

Abstract

The invention discloses a room ventilation control method based on an exhaust type fresh air fan, wherein air conditioning equipment, the exhaust type fresh air fan and a glass window with a ventilation function are pre-installed in a room, and the room ventilation is realized according to the following operation control mode; 1) in summer, in the indoor refrigeration and ventilation mode when solar radiation is weak, outdoor air is controlled to flow through the ventilation inner cavity of the glass interlayer from the upper outer air channel and then flow out from the lower inner air channel; 2) in summer, in the indoor refrigeration and ventilation mode when solar radiation is strong, outdoor air enters from the lower outer side air channel, one part of air flows out from the upper outer side air channel after passing through the ventilation inner cavity upwards, and the other part of air enters a room from the lower inner side air channel; 3) in the winter indoor heating and ventilation mode, outdoor air is controlled to enter from the lower outer air channel and flow upwards through the ventilation inner cavity and then flow into the room from the upper inner air channel; the invention can better improve the indoor heat preservation and insulation performance, reduce the energy load of house temperature control, save energy and save consumption.

Description

Room ventilation control method based on exhaust type fresh air machine

Technical Field

The invention belongs to the technical field of building room ventilation, and particularly relates to a room ventilation control method based on an exhaust type fresh air fan.

Background

With the improvement of the living standard of people, the comfort requirement of people on residential houses is higher and higher. A fresh air system is installed in many high-grade residential houses, and the temperature and ventilation in the houses are regulated and controlled. Meanwhile, according to the clear regulations of the heating ventilation and air conditioning design specifications of the civil buildings in the latest national standard, the ventilation design requirements of a certain fresh air volume are required to be considered for all the rooms of the civil buildings, but the air which is not processed outdoors is sent into the rooms and the air which is retained indoors is discharged outdoors, so that the air conditioning equipment needs to additionally bear the work of processing the air, and a considerable part of energy consumption is generated.

The existing residential houses are generally provided with air conditioners for temperature control, but the air conditioners can not meet the requirements of fresh air ventilation. The building room needs to meet the requirements of fresh air ventilation, and a fresh air machine is generally required to be installed. The fresh air machine is an air conditioning device which can introduce fresh air into a room and perform purification treatment. The new blower generally includes an exhaust type new blower or an air supply type new blower. When the air conditioner is installed and used, the air conditioner and the air supply type fresh air fan are generally installed in a room and used together, or the air conditioner and the air exhaust type fresh air fan are installed in the room and used together. When the air supply type fresh air machine is installed in a room, air is exhausted through the gap between the door and the window of the room, and when the air exhaust type fresh air machine is installed, air is supplied through the gap between the door and the window of the room. In order to avoid the repetition of the functions, the air supply type fresh air fan and the air exhaust type fresh air fan are not installed in a room at the same time. Therefore, heat energy or cold energy in the discharged air cannot be fully utilized by air intake or air exhaust through the gaps of the doors and the windows of the room. Meanwhile, when the temperature difference between the inside and the outside of the house is large, the window of the house becomes the heat exchange concentrated position inside and outside the house, so that the heat energy or the cold energy in the house can generate large loss from the window position, and the reduction of the whole temperature control energy consumption load of the room is not facilitated.

In the prior art, some fresh air systems have the functions of ventilation, temperature regulation, air filtration, even humidity regulation and the like at the same time. Such as the one disclosed in patent document No. CN201410058724.1 entitled "multifunctional fresh air machine and its applications". Also disclosed in the patent document entitled "a multifunctional fresh air machine" having application number cn201611172058. x. For another example, the inventor has applied for patent CN209655509U to disclose a multifunctional fresh air machine. However, the new fan systems have complex structures and high cost, are generally adopted in places such as large markets and are not popularized and applied in civil houses. And these new fan systems still fail to solve the room window position and can become the weak position of room heat preservation, and then lead to the problem that the whole control by temperature change load in room improves.

At present, some house windows have adopted the double glazing design, can have certain cold-proof effect, but more the leading design that is give sound insulation of ordinary double glazing window, and its heat transfer shielding effect is still comparatively limited, does not have ventilation effect simultaneously yet, is difficult to produce more profitability in the whole ventilation temperature control system in room.

The chinese patent CN108193994A discloses a multifunctional double-layer glass ventilation window, which comprises double-layer glass, an energy recovery unit and an automatic control unit. The invention controls the switching of the window functions according to the indoor and outdoor air environment parameters monitored in real time, humidifies, adjusts the temperature and purifies outdoor fresh air or indoor return air, has the functions of shading and reducing noise, meets the requirement of indoor air quality, and solves the actual problems that the original window has incomplete auxiliary functions and needs manual control. Look like all setting up multiple functions such as air purification, temperature regulation, humidity control on the window in this patent, improved window functionality, actually glass window has daylighting and the outdoor function of perspective and mounted position, requirement restriction such as size in its own room to be not fit for directly integrating functions such as air purification, temperature regulation, humidity control on the window, its indoor environmental control effect that corresponds is also far less than the effect that adopts new fan and air conditioning equipment to produce. Meanwhile, after the interior of the double-layer glass is ventilated, only the cleaning of the inner cavity of the glass is realized by the electrostatic dust removal device, the cleaning effect is limited, and the problems of poor perspective and lighting effect caused by difficult cleaning of the inner cavity of the glass after long-term use exist.

Therefore, the inventor considers to design a technology capable of utilizing a window to perform ventilation switching control, so that the heat transfer effect of the window can be better reduced, the indoor heat insulation performance is improved, and the overall energy consumption of a house temperature control system is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: the room ventilation control method based on the exhaust type fresh air fan can not only better meet the fresh air quantity requirement, but also effectively reduce the energy consumption of the fresh air part, improve the indoor heat preservation and insulation performance and reduce the house temperature control energy consumption.

In order to solve the technical problems, the invention adopts the following technical scheme:

a room ventilation control method based on a new fan of air exhaust type, install air conditioning equipment and new fan of air exhaust type in advance in the room, the window installation of the room adopts the glass window with ventilation function, the glass window has double glazing and forms the ventilation cavity between the double glazing, characterized by, realize the room ventilation according to the following operational control mode;

1) in summer, in the case of weak solar radiation, in the indoor refrigeration and ventilation mode, the air conditioning equipment refrigerates, the temperature of indoor air is lower than that of a glass window and lower than that of outdoor air (the temperature is used as a solar radiation intensity judgment mode), the exhaust type fresh air fan is started to exhaust air, and the indoor pressure is lower than the outdoor pressure; and then, the air channels of the glass window are controlled to be switched to realize air inlet, and the air channels are controlled to enable outdoor air to flow through the ventilation inner cavity of the glass interlayer from the air channel on the outer side of the upper part and then flow out from the air channel on the inner side of the lower part. Outdoor high-temperature air enters the room through the glass interlayer in the process, is precooled in the glass interlayer channel, enters the room after the air inlet temperature is reduced, the air inlet temperature is reduced better, the purpose of reducing the indoor load is achieved, meanwhile, the air inlet air with higher temperature is controlled to flow from top to bottom in the ventilation inner cavity between the glass, the detention time of hot air in the ventilation inner cavity is prolonged, and the temperature of the window glass is better utilized for precooling the air inlet. The precooled air is sent into the room, so that the heat discomfort of indoor personnel can be better reduced compared with the condition that outdoor hot air is directly sent into the room.

2) In summer, in the case of strong solar radiation, in the indoor refrigeration and ventilation mode, the air conditioning equipment refrigerates, the indoor air temperature is lower than the outdoor air temperature and lower than the glass window temperature, the exhaust type fresh air fan is started to exhaust air, and the indoor pressure is lower than the outdoor pressure; at the moment, the air channels of the glass window are controlled to be switched to realize air inlet, the air channels are controlled to enable outdoor air to enter from the lower outer air channel, one part of air upwards passes through the air cavity and then flows out from the upper outer air channel, the heat transfer quantity from the outdoor to the indoor is reduced, and the other part of air enters a room from the lower inner air channel. Therefore, when solar radiation is strong, the temperature of the window glass is higher than that of outdoor air after being irradiated and accumulated with heat, so that part of inlet air directly enters the room from the lower end of the window, and the condition that the inlet air flows through a ventilation inner cavity and is heated by the glass to improve indoor load is avoided; and the other part of the inlet air is heated by the glass in the ventilation inner cavity, flows upwards and is discharged from the air duct at the outer side of the upper part, so that the air flow which flows outwards circularly is formed in the ventilation inner cavity, and the heat of part of the glass can be taken away, thereby achieving the effect of reducing the cold load of the indoor air conditioner.

More specifically, this kind of mode leaves the seam to air exhaust compared with traditional door and window has following advantage: 1) the opening area of the ventilation window is fixed, and compared with window opening ventilation, the problem that the size of the window opening area is not easy to control is solved. 2) The air supply requirement is met, and meanwhile, the external circulation of air in the ventilation inner cavity is formed, so that the temperature of the glass and the cavity is reduced, and the load of an indoor air conditioner is reduced; the aim of energy saving is achieved. 3) Through organizing the air and passing through vertical passageway (the ventilation inner chamber promptly), the air temperature is less than glass temperature in the cavity this moment, can block outdoor high temperature and directly transmit to indoor, is equivalent to an air curtain, reduces indoor load, realizes energy-conservation. In this case, the overall heat transfer coefficient of the louver is no worse than that of the conventional sealed double-glazed window.

3) In the winter indoor heating and ventilation mode, the air conditioning equipment heats, the indoor air temperature is higher than the outdoor air temperature, the exhaust type fresh air fan is started to exhaust air, and the indoor pressure is lower than the outdoor pressure; at the moment, the air channels of the glass window are controlled to be switched to realize air inlet, so that outdoor air enters from the air channel at the outer side of the lower part and flows upwards through the ventilation inner cavity and then enters indoors from the air channel at the inner side of the upper part. Outdoor low temperature air of this in-process passes through the glass intermediate layer and gets into indoorly, preheats in the glass intermediate layer passageway, gets into indoorly again after improving the inlet air temperature, reaches the purpose that reduces indoor heating load, and the lower inlet air of while control temperature flows from down up in the ventilation inner chamber between the glass, has prolonged cold air detention time in the ventilation inner chamber, utilizes window glass temperature to preheat the inlet air better. The indoor heating load is better reduced.

More specifically, compared with the traditional door and window seam air inlet mode, the mode has the following advantages: 1) the opening area of ventilation window is fixed, and the problem that the size of windowing area is not good to be held can not exist in the ventilation of windowing, and the ventilation of windowing is because of the area of windowing is not accurate bring the energy waste and can't form effectual air current tissue easily. 2) The entry of slightly heated air into the room may reduce discomfort to the person compared to entry from the window seam: the wind directly seeped from the window seams brings strong cold wind feeling, and is very difficult to feel in winter. 3) Fresh cold air enters the room from above, and the temperature of the air above the room is relatively high. The heat exchange effect after the fresh air enters the room is better, because for this reason, the thermal comfort is also better. In this case, it is desirable that the energy impinging on the glazing be transmitted into the room as far as possible, so that the glazing need not be too insulating.

Preferably, the glass window with the ventilation function comprises a rectangular window frame, double-layer glass is vertically and fixedly arranged inside the window frame at intervals from front to back, a ventilation inner cavity is formed between the double-layer glass, an upper outer air channel communicated to the outside outwards and an upper inner air channel communicated to the inside inwards are respectively arranged at the upper end of the window frame, the upper outer air channel, the upper inner air channel and the upper end of the ventilation inner cavity are communicated, and an upper air channel switching device for controlling the on-off switching of the upper outer air channel, the upper inner air channel and the ventilation inner cavity is arranged among the upper; the lower end of the window frame is also respectively provided with a lower outer air duct communicated to the outer side and a lower inner air duct communicated to the inner side, the lower outer air duct, the lower inner air duct and the lower end of the ventilation inner cavity are communicated, and a lower air duct switching device for controlling the on-off switching of the lower outer air duct, the lower inner air duct and the ventilation inner cavity is arranged among the lower outer air duct, the lower inner air duct and the.

Therefore, the window can control the on-off and switching of the air channels through the upper air channel switching device and the lower air channel switching device, so that the air inlet and exhaust requirements under different conditions in the method are met.

Preferably, the upper air channel switching device comprises a rotating shaft for upper air channel switching control, the rotating shaft for upper air channel switching control is installed in the middle of an upper rotating shaft installation cavity along the length direction of the window, the upper rotating shaft installation cavity is formed at the position of the intersection of the upper outer air channel, the upper inner air channel and the upper end of the ventilation inner cavity, the rotating shaft for upper air channel switching control, the upper rotating shaft installation cavity, the upper outer air channel and the upper inner air channel are all strip-shaped arranged along the length direction of the window, an upper baffle plate connecting member is fixedly arranged on the rotating shaft for upper air channel switching control, an upper air channel switching baffle plate is fixedly connected to the outer side of the upper baffle plate connecting member, the width of the upper air channel switching baffle plate is larger than the width of the upper outer air channel, the width of the upper inner air channel and the width of the, The upper end of the ventilation inner cavity, the upper inner air duct and the top of the upper rotating shaft installation cavity which is opposite to the upper end of the ventilation inner cavity are arranged; the upper air channel switching device also comprises an upper rotating shaft control mechanism which is connected with the rotating shaft for upper air channel switching control and controls the rotation of the rotating shaft.

Therefore, the upper air channel switching baffle is driven to rotate to four positions, namely an inner position, an outer position and an upper position, by controlling the rotation of the upper air channel switching control rotating shaft. When the upper air duct switching baffle rotates to the upper part, the upper outer air duct, the upper inner air duct and the upper end of the ventilation inner cavity are in a three-way through state; when the upper air channel switching baffle rotates outwards, the upper outer air channel is closed, and the upper inner air channel and the upper end of the ventilation inner cavity are opened and run through; when the upper air channel switching baffle rotates downwards, the upper end of the ventilation inner cavity is closed, and the upper inner air channel and the upper outer air channel are opened and communicated; when the upper air channel switching baffle rotates inwards, the upper inner air channel is closed, and the upper outer air channel and the upper end of the ventilation inner cavity are opened and communicated. Therefore, the air inlet and the air outlet can be switched and controlled at the upper end of the glass window along the whole length direction of the glass window by a simple control mechanism.

Furthermore, projections of connecting parts between any two of the upper outer air duct, the upper inner air duct and the upper end of the ventilation inner cavity on a rotating shaft plane perpendicular to the upper air duct switching control are all arc-shaped with the same diameter circle, so that the upper rotating shaft installation cavity is integrally horizontal and cylindrical, and the outer side surface of the upper air duct switching baffle protrudes outwards to form an arc-shaped surface matched with the cylinder.

Therefore, the upper air channel switching baffle can be driven to rotate by the rotating shaft for controlling the upper air channel switching better, and the on-off switching of the three channels is controlled correspondingly.

Furthermore, the upper outer air duct and the upper inner air duct are horizontally arranged right opposite to each other and are vertical to the ventilation inner cavity, and the widths of the upper outer air duct and the upper inner air duct are consistent.

Therefore, the on-off switching of the air channel can be controlled more conveniently and accurately through the rotation of the upper air channel switching baffle.

Furthermore, the whole upper air channel switching baffle is of an arc-shaped plate structure, the whole upper baffle connecting component is of a fan-shaped plate structure perpendicular to the rotating shaft for upper air channel switching control, and the outer side surface of the upper baffle connecting component is fixed on the inner side surface of the upper air channel switching baffle.

Therefore, space for air supply flow to pass through can be reserved to the maximum degree between the inner side of the upper air channel switching baffle and the rotating shaft for upper air channel switching control, and the air resistance is reduced to the minimum degree.

Furthermore, two upper baffle connecting components are arranged at intervals and are close to the positions of two ends of the rotating shaft for switching and controlling the upper air duct.

Therefore, the connecting structure of the rotating shaft for controlling the switching of the upper air channel and the upper air channel switching baffle is more stable and reliable.

Further, the upper rotating shaft control mechanism comprises an output end driven helical gear for upper rotating shaft control fixed at one end of the upper air channel switching control rotating shaft, the output end driven helical gear for upper rotating shaft control is meshed with an output end driving helical gear for upper rotating shaft control, the output end driving helical gear for upper rotating shaft control is fixedly arranged at the upper end of a vertically arranged upper rotating shaft control vertical shaft, the upper rotating shaft control vertical shaft is rotatably arranged in a vertical shaft mounting cavity at the upper part of one side of a window frame, an input end driven helical gear for upper rotating shaft control is fixedly arranged at the lower end of the upper rotating shaft control vertical shaft, the input end driven helical gear for upper rotating shaft control is meshed with an input end driving helical gear for upper rotating shaft control, the mounting shaft of the input end driving helical gear for controlling the upper rotating shaft can rotatably and horizontally penetrate out of the window frame inwards and is provided with an upper rotating shaft control knob.

Therefore, only the knob for controlling the upper rotating shaft needs to be rotated, the rotating shaft for controlling the switching of the upper air channel can be driven to rotate through the matching of the two pairs of bevel gears, the switching of the on-off of the upper air channel is controlled, and the communication of any two or all three among the upper outer air channel, the upper inner air channel and the upper end of the ventilation inner cavity is realized. The helical gears are adopted for matching transmission, so that the control is accurate, stable and reliable.

Alternatively, the upper shaft control mechanism comprises an upper shaft control servo motor mounted at one end of the upper air channel switching control shaft, and a control panel located at one end of the lower part of the window frame, wherein the electric wire of the servo motor is routed inside the window frame and connected with the control panel and controlled by the control panel.

Therefore, the electric control of the rotating shaft for controlling the switching of the upper air duct can be realized, and the control is more automatic.

Preferably, the lower air duct switching device includes a rotating shaft for lower air duct switching control, the rotating shaft for lower air duct switching control is installed in the middle of a lower rotating shaft installation cavity along the length direction of the window, the lower rotating shaft installation cavity is formed at the intersection of the lower outer air duct, the lower inner air duct and the lower end of the ventilation inner cavity, the rotating shaft for lower air duct switching control, the lower rotating shaft installation cavity, the lower outer air duct and the lower inner air duct are all strip-shaped arranged along the length direction of the window, a lower baffle plate connecting member is fixedly arranged on the rotating shaft for lower air duct switching control, a lower air duct switching baffle plate is fixedly connected to the outer side of the lower baffle plate connecting member, the width of the lower air duct switching baffle plate is greater than the width of the lower outer air duct, the width of the lower inner air duct and the width of the lower end of, The lower end of the ventilation inner cavity, the lower inner air duct and the bottom of the lower rotating shaft installation cavity opposite to the lower end of the ventilation inner cavity are arranged; the lower air duct switching device also comprises a lower rotating shaft control mechanism which is connected with the rotating shaft for lower air duct switching control and controls the rotation of the rotating shaft.

Therefore, the lower air duct switching baffle can be driven to rotate to four positions, namely an inner position, an outer position and an upper position, by controlling the rotation of the lower air duct switching control rotating shaft. When the lower air duct switching baffle rotates to the lower part, the lower outer air duct, the lower inner air duct and the lower end of the ventilation inner cavity are in a three-way through state; when the lower air duct switching baffle rotates outwards, the lower outer air duct is closed, and the lower inner air duct and the lower end of the ventilation inner cavity are opened and run through; when the lower air duct switching baffle rotates upwards, the lower end of the ventilation inner cavity is closed, and the lower inner air duct and the lower outer air duct are opened and communicated; when the lower air duct switching baffle rotates inwards, the lower inner air duct is closed, and the lower outer air duct and the lower end of the ventilation inner cavity are opened and communicated. Therefore, the switching control of air intake and exhaust can be realized at the lower end of the glass window along the whole length direction of the glass window by a simple control mechanism.

Furthermore, projections of connecting parts between any two of the lower outer air duct, the lower inner air duct and the lower end of the ventilation inner cavity on a plane perpendicular to the lower air duct switching control rotating shaft are all arc-shaped with the same diameter circle, so that the lower rotating shaft installation cavity is integrally horizontal and cylindrical, and the outer side surface of the lower air duct switching baffle protrudes outwards to form an arc-shaped surface matched with the cylinder.

Therefore, the lower air duct switching baffle can be driven to rotate by the rotating shaft for controlling the lower air duct switching better, and the on-off switching of the three channels is controlled correspondingly.

Furthermore, the lower outer air duct and the lower inner air duct are horizontally arranged right opposite to each other and are vertical to the ventilation inner cavity, and the widths of the lower outer air duct and the lower inner air duct are consistent.

Therefore, the switching of the on-off of the air channel can be controlled more conveniently and accurately through the rotation of the lower air channel switching baffle.

Furthermore, the lower air duct switching baffle is of an arc-shaped plate structure as a whole, the lower baffle connecting member is of a fan-shaped plate structure as a whole and is perpendicular to the rotating shaft for switching and controlling the lower air duct, and the outer side surface of the lower baffle connecting member is fixed on the inner side surface of the lower air duct switching baffle.

Therefore, space for air supply flow to pass through can be reserved to the maximum degree between the inner side of the lower air channel switching baffle and the rotating shaft for lower air channel switching control, and the air resistance is reduced to the minimum degree.

Furthermore, the lower baffle connecting components are two and are arranged at intervals close to the positions of two ends of the rotating shaft for switching and controlling the lower air duct.

Therefore, the connecting structure of the rotating shaft for controlling the switching of the lower air duct and the lower air duct switching baffle is more stable and reliable.

Further, the lower rotating shaft control mechanism comprises an output end driven helical gear for lower rotating shaft control fixed at one end of the rotating shaft for lower air duct switching control, the output end driven helical gear for lower rotating shaft control is meshed with an output end driving helical gear for lower rotating shaft control, the output end driving helical gear for lower rotating shaft control is fixedly arranged at the lower end of a vertically arranged lower rotating shaft control vertical shaft, the lower rotating shaft control vertical shaft is rotatably arranged in a vertical shaft mounting cavity at the lower part of one side of a window frame, an input end driven helical gear for lower rotating shaft control is fixedly arranged at the upper end of the lower rotating shaft control vertical shaft, the input end driven helical gear for lower rotating shaft control is meshed with an input end driving helical gear for lower rotating shaft control, the installation shaft of the input end driving helical gear for controlling the lower rotating shaft can rotatably and horizontally penetrate out of the window frame inwards and is provided with a knob for controlling the lower rotating shaft.

Therefore, only the knob for controlling the lower rotating shaft needs to be rotated, the rotating shaft for controlling the switching of the lower air channel can be driven to rotate through the matching of the two pairs of bevel gears, the switching of the on-off state of the lower air channel is controlled, and the communication of any two or all three among the lower outer air channel, the lower inner air channel and the lower end of the ventilation inner cavity is realized. The helical gears are adopted for matching transmission, so that the control is accurate, stable and reliable.

Alternatively, the lower shaft control mechanism comprises a lower shaft control servo motor mounted at one end of the lower air channel switching control shaft, and a control panel located at one end of the lower part of the window frame, wherein the electric wire of the servo motor is routed inside the window frame and connected with the control panel and controlled by the control panel.

Therefore, the electric control of the rotating shaft for controlling the switching of the lower air duct can be realized, and the control is more automatic.

As an optimization, the window inner cavity cleaning device is further provided with a window inner cavity cleaning structure, the window inner cavity cleaning structure comprises a cleaning device installation cavity vertically arranged inside one side of a window frame, the cleaning device installation cavity and a ventilation inner cavity between double-layer glass are integrally communicated, a window inner cavity cleaning device is arranged in the cleaning device installation cavity, the whole window inner cavity cleaning device is vertically long-strip-shaped, the length of the whole window inner cavity cleaning device is larger than the height of the window glass, the window inner cavity cleaning device is provided with a front side cleaning surface positioned on the front side and a rear side cleaning surface positioned on the rear side, the front side cleaning surface and the rear side cleaning surface are obtained by adopting flexible cleaning materials (cleaning cotton), the height of the front side cleaning surface and the height of the rear side cleaning surface are basically consistent with the height of the window glass, the width of the front side cleaning surface and the width of the rear side cleaning surface are smaller, the screw hole is used for dismantling with clean screw rod and is connected, and the upper and lower both ends of window frame inner chamber correspond the screw hole position and respectively have the clean fluting of a level setting, and the clean fluting outside is covered and is installed detachable fluting baffle, and the cleaning device installation cavity outside is covered and is installed detachable installation cavity baffle.

Therefore, when dust is accumulated in the glass inner cavity of the double-layer glass window and needs to be cleaned, the mounting cavity baffle is detached and opened, the window inner cavity cleaning device is taken out, and cleaning liquid is adhered to the front side cleaning surface and the rear side cleaning surface. And then the slotted baffle is detached and opened, the window inner cavity cleaning device is placed into the cleaning device installation cavity and horizontally moved into the ventilation inner cavity between the double-layer glass, and then the two cleaning screws respectively penetrate through the cleaning slots at the upper end and the lower end of the window frame and are screwed into the two threaded holes on the upper end and the lower end of the window inner cavity cleaning device. Therefore, the screw rod for cleaning is held by hand from the outside of the window frame to drive the window inner cavity cleaning device to move horizontally integrally, so that the front side cleaning surface and the rear side cleaning surface are respectively attached to the corresponding side surfaces of the ventilation inner cavity, and the ventilation inner cavity is cleaned. The whole cleaning process has the advantages of convenience, rapidness, high efficiency and reliability. After cleaning, the window inner cavity cleaning device can be cleaned and dried and then placed into the cleaning device installation cavity, and the slotted baffle and the installation cavity baffle are installed and reset again to avoid air leakage.

Preferably, the cleaning material is cleaning cotton. Has the advantages of low cost and good cleaning effect.

Furthermore, the window inner cavity cleaning device comprises an installation block positioned at the upper end, an installation block positioned at the lower end, a front cleaning block positioned at the front side and a rear cleaning block positioned at the rear side, the width of the front and rear directions of the two installation blocks is smaller than that of the window frame inner cavity, the lower surface of the installation block at the upper end and the upper surface of the installation block at the lower end are respectively provided with a sliding groove along the front and rear directions, the upper end and the lower end of the front cleaning block and the upper end and the lower end of the rear cleaning block are slidably clamped and matched in the sliding grooves, the front side of the front cleaning block is obtained by flexible cleaning materials and forms a front side cleaning surface, and the rear side of the rear cleaning block is obtained; a telescopic control mechanism is also arranged between the front cleaning block and the rear cleaning block and can control the front cleaning block and the rear cleaning block to be switched between a cleaning station and a non-cleaning station, when the stations are cleaned, the front cleaning block and the rear cleaning block are in an outward expansion state, and the front side cleaning surface and the rear side cleaning surface outwards exceed the front side surface and the rear side surface of the two mounting blocks; when the working station is cleaned, the distance between the front side cleaning surface and the rear side cleaning surface is larger than the width of a ventilation inner cavity between the double-layer glass, and the shortest limit distance between the front side cleaning surface and the rear side cleaning surface after being compressed is smaller than the width of the ventilation inner cavity; when the cleaning machine is not used for cleaning a station, the front cleaning block and the rear cleaning block are integrally retracted into the sliding grooves of the two mounting blocks.

Therefore, when cleaning, the front cleaning block and the rear cleaning block can slide out of a small part along the front side and the rear side of the sliding groove under the control of the telescopic control mechanism, and the front side cleaning surface and the rear side cleaning surface are attached to the front side and the rear side of the ventilation inner cavity. When controlling cleaning device and removing like this, can realize simultaneously the cleanness to two medial surfaces around the ventilation inner chamber and raise the efficiency, and need not artificial packing force of exerting like this, avoid artificial application of force inequality to lead to device or window to damage.

Furthermore, the telescopic control mechanism comprises a middle connecting rod vertically arranged between the front cleaning block and the rear cleaning block, short connecting rods are hinged to the front side and the rear side of the middle connecting rod in pairs, the front end of the short connecting rod at the front side is hinged to the rear side of the front cleaning block, the rear end of the short connecting rod at the rear side is hinged to the front side of the rear cleaning block, one end of the middle connecting rod is a control end, the control end can be inserted into a slot in the middle of the mounting block in a sliding manner, a driving rod is horizontally and outwards fixedly connected to the control end of the middle connecting rod along the left side or the right side, the outer part of the driving rod extends out of the side of the mounting block to form a shifting part, an elastic clamping groove communicated with the slot is arranged at the position of the driving rod at the side of the mounting block, two elastic clamping grooves are formed at the upper end and the lower end of the elastic clamping, when the short connecting rod is in a folded state, the front cleaning block and the rear cleaning block are driven to retract into the sliding groove to form a non-cleaning station.

Like this, through stirring from the installation piece side control driving lever from top to bottom, clean piece switches at clean station and non-clean station around can controlling, has simple structure, controls convenient and fast's advantage. Meanwhile, when the front and rear cleaning blocks are in a cleaning station state, each pair of short connecting rods is just in a horizontal state, so that the pressing force between the front and rear cleaning blocks is mutually offset to generate a self-locking effect, and the stability in the cleaning process is ensured.

Further, the short connecting rods are provided with a plurality of pairs and are evenly arranged on the middle connecting rod at intervals along the height direction.

Therefore, the force application balance is better ensured, and the control stability is improved.

Furthermore, one end of the short connecting rod is hinged on the side surface of the middle connecting rod, and the other end of the short connecting rod is hinged on a lug which is convexly formed on the side surface of the front cleaning block or the rear cleaning block.

The structure is simple and the connection is reliable.

Furthermore, the inner side surface of the elastic clamping groove is provided with an elastic material layer, and the elastic clamping groove extends outwards in the width direction of the self clamping groove at the upper end and the lower end to form two elastic clamping groove positions.

Therefore, the shifting lever can be shifted in the elastic clamping groove after external force is applied, and can be kept in the elastic clamping groove after being shifted in place.

Furthermore, the lower end of the middle connecting rod is a control end, and the elastic clamping groove is located on the right side face of the mounting block at the lower end.

Therefore, the shifting lever is positioned on the right side below the device, and the manual operation and control are more convenient.

In conclusion, the double-layer glass is set as the ventilation channel, and ventilation switching can be controlled, so that the indoor heat preservation and heat insulation performance can be better improved, the energy load of house temperature control is reduced, energy is saved, consumption is saved, and the like.

Drawings

Fig. 1 is a schematic view of a glass window according to an embodiment of the present invention.

Fig. 2 is a schematic view showing the structures of an upper air passage switching device and a lower air passage switching device inside a glass window.

Fig. 3 is a side cross-sectional view of the glass window of fig. 1.

Fig. 4 is a partial schematic view of the enlarged upper position of the single body of fig. 3.

Fig. 5 is a front view of a window cavity cleaning apparatus according to an embodiment of the present invention.

Fig. 6 is a left side view of fig. 5.

Fig. 7 is a schematic view of fig. 6 in transition to a cleaning station state.

Fig. 8 is a schematic view illustrating control of air flow direction in an indoor cooling ventilation mode when solar radiation is weak in summer in accordance with the present invention.

Fig. 9 is a schematic diagram illustrating control of air flow direction in an indoor cooling and ventilating mode when solar radiation is strong in summer according to the present invention.

Fig. 10 is a schematic view illustrating control of the air flow direction in the winter indoor heating and ventilating mode according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to specific embodiments. The glass window structure of fig. 8-10 is simplified and the arrows indicate the direction of wind flow.

In the specific implementation: a room ventilation control method based on a new fan of air exhaust type, install air conditioning equipment and new fan of air exhaust type in advance in the room, the window installation of the room adopts the glass window with ventilation function, the glass window has double glazing and forms the ventilation cavity between the double glazing, characterized by, realize the room ventilation according to the following operational control mode;

1) in the indoor refrigeration and ventilation mode in summer when the solar radiation is weak, (see fig. 8) at the moment, the air conditioning equipment refrigerates, the indoor air temperature is lower than the temperature of the glass window and lower than the outdoor temperature (the temperature is used as a solar radiation intensity judgment mode), the exhaust type fresh air fan is started to exhaust air, and the indoor pressure is lower than the outdoor pressure; and then, the air channels of the glass window are controlled to be switched to realize air inlet, and the air channels are controlled to enable outdoor air to flow through the ventilation inner cavity of the glass interlayer from the air channel on the outer side of the upper part and then flow out from the air channel on the inner side of the lower part. Outdoor high-temperature air enters the room through the glass interlayer in the process, is precooled in the glass interlayer channel, enters the room after the air inlet temperature is reduced, the air inlet temperature is reduced better, the purpose of reducing the indoor load is achieved, meanwhile, the air inlet air with higher temperature is controlled to flow from top to bottom in the ventilation inner cavity between the glass, the detention time of hot air in the ventilation inner cavity is prolonged, and the temperature of the window glass is better utilized for precooling the air inlet. The precooled air is sent into the room, so that the heat discomfort of indoor personnel can be better reduced compared with the condition that outdoor hot air is directly sent into the room.

2) In summer, in the solar radiation strong time, in the indoor refrigeration and ventilation mode, (see fig. 9), at the time, the air conditioning equipment refrigerates, the indoor air temperature is lower than the outdoor air temperature and lower than the glass window temperature, the exhaust type fresh air fan is started to exhaust air, and the indoor pressure is lower than the outdoor pressure; at the moment, the air channels of the glass window are controlled to be switched to realize air inlet, the air channels are controlled to enable outdoor air to enter from the lower outer air channel, one part of air upwards passes through the air cavity and then flows out from the upper outer air channel, the heat transfer quantity from the outdoor to the indoor is reduced, and the other part of air enters a room from the lower inner air channel. Therefore, when solar radiation is strong, the temperature of the window glass is higher than that of outdoor air after being irradiated and accumulated with heat, so that part of inlet air directly enters the room from the lower end of the window, and the condition that the inlet air flows through a ventilation inner cavity and is heated by the glass to improve indoor load is avoided; and the other part of the inlet air is heated by the glass in the ventilation inner cavity, flows upwards and is discharged from the air duct at the outer side of the upper part, so that the air flow which flows outwards circularly is formed in the ventilation inner cavity, and the heat of part of the glass can be taken away, thereby achieving the effect of reducing the cold load of the indoor air conditioner.

3) In the winter indoor heating and ventilation mode (see fig. 10), the air conditioning equipment heats, the indoor air temperature is higher than the outdoor air temperature, the exhaust type fresh air fan is started to exhaust air, and the indoor pressure is lower than the outdoor pressure; at the moment, the air channels of the glass window are controlled to be switched to realize air inlet, so that outdoor air enters from the air channel at the outer side of the lower part and flows upwards through the ventilation inner cavity and then enters indoors from the air channel at the inner side of the upper part. Outdoor low temperature air of this in-process passes through the glass intermediate layer and gets into indoorly, preheats in the glass intermediate layer passageway, gets into indoorly again after improving the inlet air temperature, reaches the purpose that reduces indoor heating load, and the lower inlet air of while control temperature flows from down up in the ventilation inner chamber between the glass, has prolonged cold air detention time in the ventilation inner chamber, utilizes window glass temperature to preheat the inlet air better. The indoor heating load is better reduced.

The glass window with the ventilation function adopted in the method is structurally shown in figures 1-7 and comprises a rectangular window frame 1, double-layer glass 2 is vertically and fixedly arranged inside the window frame 1 at intervals from front to back, a ventilation inner cavity 3 is formed between the double-layer glass 2, an upper outer air duct 4 which is communicated with the outside outwards and an upper inner air duct 5 which is communicated with the inside inwards are respectively arranged at the upper end of the window frame 1, the upper outer air duct 4, the upper inner air duct 5 and the upper end of the ventilation inner cavity are communicated, and an upper air duct switching device for controlling the on-off switching of the upper outer air duct 4, the upper inner air duct 5 and the upper end; the lower end of the window frame is also respectively provided with a lower outer air duct 6 which is communicated to the outer side outwards and a lower inner air duct 7 which is communicated to the inner side inwards, the lower outer air duct 6, the lower inner air duct 7 and the lower end of the ventilation inner cavity are communicated, and a lower air duct switching device for controlling the on-off switching of the three is also arranged among the three.

Therefore, the on-off and switching of the air channels can be controlled through the upper air channel switching device and the lower air channel switching device, so that the air inlet and exhaust requirements under different conditions are met, and the temperature control energy consumption of a house is reduced better.

Wherein, upper portion wind channel auto-change over device includes that upper portion wind channel auto-change over controls uses pivot 8, and upper portion wind channel auto-change over controls uses pivot 8 to install at upper portion pivot installation cavity 9 middle part along window length direction, and upper portion pivot installation cavity 9 is formed in upper portion outside wind channel 4, upper portion inboard wind channel 5 and the upper end intersection position of ventilation inner chamber, upper portion wind channel auto-change over controls uses pivot 8, upper portion pivot installation cavity 9, upper portion outside wind channel 4 and upper portion inboard wind channel 5 are the rectangular shape that sets up along window length direction, and upper portion wind channel auto-change over controls is with fixed being provided with upper portion baffle connecting elements 10 on the pivot 8, and upper portion baffle connecting elements 10 outside fixedly connected with upper portion wind channel auto-change over baffle 11, and upper portion wind channel auto-change over baffle 11 width is greater than upper portion outside wind channel 4 width, upper portion inboard wind channel 5 width and ventilation inner chamber upper The top positions of the outer side air duct 4, the upper end of the ventilation inner cavity, the upper inner side air duct 5 and the upper rotating shaft installation cavity 9 opposite to the upper end of the ventilation inner cavity are respectively arranged; the upper air channel switching device also comprises an upper rotating shaft control mechanism which is connected with the rotating shaft for upper air channel switching control and controls the rotation of the rotating shaft.

The projections of the connecting parts between the upper outer air duct 4, the upper inner air duct 5 and the upper end of the ventilation inner cavity on the plane perpendicular to the upper air duct switching control rotating shaft 8 are all arc-shaped with the same diameter circle, so that the upper rotating shaft installation cavity 9 is integrally horizontal and cylindrical, and the outer side surface of the upper air duct switching baffle plate 11 protrudes outwards to form an arc-shaped surface matched with the cylinder.

Wherein, the upper outer air duct 4 and the upper inner air duct 5 are horizontally arranged opposite to each other and vertical to the ventilation inner cavity, and the widths of the three are consistent.

The upper air duct switching baffle 11 is of an arc-shaped plate structure as a whole, the upper baffle connecting member 10 is of a fan-shaped plate structure as a whole and perpendicular to the upper air duct switching control rotating shaft 8, and the outer side surface of the upper baffle connecting member 10 is fixed to the inner side surface of the upper air duct switching baffle 11.

Wherein, two upper baffle connecting components 10 are arranged at intervals near two ends of the upper air channel switching control rotating shaft 8.

Wherein, the upper part pivot control mechanism includes a passive helical gear 12 of output for upper portion pivot control fixed at the end of upper portion wind channel switching control pivot one end, the passive helical gear 12 of output for upper portion pivot control meshes with an output initiative helical gear 13 for upper portion pivot control, the output initiative helical gear 13 for upper portion pivot control fixed mounting is in the upper end of the vertical axis 14 for upper portion pivot control of a vertical setting, the vertical axis 14 for upper portion pivot control rotationally installs in the vertical axis installation cavity on one side upper portion of window frame 1, the vertical axis 14 lower extreme fixed mounting of upper portion pivot control has an input passive helical gear 15 for upper portion pivot control, the passive helical gear 15 of input for upper portion pivot control meshes with an input initiative helical gear 16 for upper portion pivot control, the installation axle of the input initiative helical gear 16 for upper portion pivot control rotationally and horizontally penetrates out of window frame and installs upper portion pivot control A knob 17.

As another implementation option, the upper spindle control mechanism includes an upper spindle control servo motor installed at one end of the upper spindle for switching control of the upper air duct, and a control panel located at one end of the lower portion of the window frame, and the electric wire of the servo motor is routed through the inside of the window frame and connected with the control panel and controlled by the control panel. Therefore, the electric control of the rotating shaft for controlling the switching of the upper air duct can be realized, and the control is more automatic.

In this embodiment, the lower air duct switching device includes a lower air duct switching control rotating shaft 18, the lower air duct switching control rotating shaft 18 is installed in the middle of a lower rotating shaft installation cavity 19 along the length direction of a window, the lower rotating shaft installation cavity 19 is formed at the intersection position of the lower outer air duct 6, the lower inner air duct 7 and the lower end of a ventilation inner cavity, the lower air duct switching control rotating shaft 18, the lower rotating shaft installation cavity 19, the lower outer air duct 6 and the lower inner air duct 7 are all strip-shaped arranged along the length direction of the window, a lower baffle connecting member 20 is fixedly arranged on the lower air duct switching control rotating shaft 18, a lower air duct switching baffle 21 is fixedly connected to the outer side of the lower baffle connecting member 20, the width of the lower air duct switching baffle 21 is greater than the width of the lower outer air duct 6, the width of the lower inner air duct 7 and the width of the lower end of the ventilation inner Shielding the lower outer air duct 6, the lower end of the ventilation inner cavity, the lower inner air duct 7 and the bottom of the lower rotating shaft installation cavity opposite to the lower end of the ventilation inner cavity; the lower air duct switching device also comprises a lower rotating shaft control mechanism which is connected with the rotating shaft for lower air duct switching control and controls the rotation of the rotating shaft.

Projections of connecting parts between any two of the lower outer air duct 6, the lower inner air duct 7 and the lower end of the ventilation inner cavity on a plane perpendicular to the lower air duct switching control rotating shaft are arc-shaped with the same diameter circle, so that the lower rotating shaft installation cavity 19 is integrally horizontal and cylindrical, and the outer side surface of the lower air duct switching baffle plate 21 protrudes outwards to form an arc-shaped surface matched with the cylinder.

Wherein, the lower part outside air flue 6 and the lower part inside air flue 7 are arranged in a horizontal right-facing way and are vertical to the ventilation inner cavity, and the widths of the three are consistent.

The lower air duct switching baffle 21 is of an arc-shaped plate structure as a whole, the lower baffle connecting member 20 is of a fan-shaped plate structure as a whole and is perpendicular to the rotating shaft for lower air duct switching control, and the outer side surface of the lower baffle connecting member 20 is fixed on the inner side surface of the lower air duct switching baffle 21.

Two lower baffle connecting members 20 are spaced apart from each other and are disposed near both ends of the lower duct switching control shaft 18.

Wherein, the lower part shaft control mechanism comprises an output end passive helical gear 22 fixed at one end of the lower part air channel switching control rotating shaft 18, the output end passive helical gear 22 for lower part shaft control is meshed with an output end active helical gear 23 for lower part shaft control, the output end active helical gear 23 for lower part shaft control is fixedly arranged at the lower end of a vertically arranged lower part shaft control vertical shaft 24, the lower part shaft control vertical shaft 24 is rotatably arranged in a vertical shaft mounting cavity at the lower part of one side of the window frame, an input end passive helical gear 25 for lower part shaft control is fixedly arranged at the upper end of the lower part shaft control vertical shaft 24, the input end passive helical gear 25 for lower part shaft control is meshed with an input end active helical gear 26 for lower part shaft control, the mounting shaft of the input end active helical gear 26 for lower part shaft control can rotatably and horizontally penetrate out of the window frame and is mounted with the A knob 27.

In another implementation option, the lower spindle control mechanism includes a lower spindle control servo motor installed at one end of the lower spindle for switching control of the lower air duct, and a control panel located at one end of the lower portion of the window frame, and the electric wire of the servo motor is routed through the inside of the window frame and connected to and controlled by the control panel. Therefore, the electric control of the rotating shaft for controlling the switching of the lower air duct can be realized, and the control is more automatic.

In the specific embodiment, the window inner cavity cleaning structure is further arranged, the window inner cavity cleaning structure comprises a cleaning device installation cavity vertically arranged inside one side of a window frame, a ventilation inner cavity 3 between the cleaning device installation cavity and double-layer glass is integrally communicated, a window inner cavity cleaning device is arranged in the cleaning device installation cavity, the whole window inner cavity cleaning device is vertically long-strip-shaped, the length of the whole window inner cavity cleaning device is larger than the height of the window glass, the window inner cavity cleaning device is provided with a front side cleaning surface positioned on the front side and a rear side cleaning surface positioned on the rear side, the front side cleaning surface and the rear side cleaning surface are obtained by adopting flexible cleaning materials (cleaning cotton), the height of the front side cleaning surface and the height of the rear side cleaning surface are basically consistent with the height of the window glass, the width of the front side cleaning surface and the width of the rear side cleaning surface are smaller than the width of the ventilation inner cavity between, the screw hole is used for dismantling with clean screw rod 28 and is connected, and the upper and lower both ends of window frame inner chamber correspond the screw hole position and respectively have the clean fluting 29 of using of a level setting, and the outside cover of clean fluting installs detachable fluting baffle 30, and the outside cover of cleaning device installation cavity installs detachable installation cavity baffle 31.

Wherein the cleaning material is cleaning cotton. Has the advantages of low cost and good cleaning effect.

The window inner cavity cleaning device comprises an installation block 32 positioned at the upper end, an installation block positioned at the lower end, a front cleaning block 33 positioned at the front side and a rear cleaning block 34 positioned at the rear side, wherein the width of the front and rear directions of the two installation blocks 32 is smaller than that of the window frame inner cavity, the lower surface of the installation block at the upper end and the upper surface of the installation block at the lower end are respectively provided with a sliding groove along the front and rear directions, the upper end and the lower end of each of the front cleaning block 33 and the rear cleaning block 34 are slidably clamped and matched in the sliding grooves, the front side of the front cleaning block 33 is obtained by flexible cleaning materials and forms a front side cleaning surface, and the rear side of the rear cleaning block 34 is obtained by flexible cleaning materials and; a telescopic control mechanism is further arranged between the front cleaning block 33 and the rear cleaning block 34 and can control the front cleaning block 33 and the rear cleaning block 34 to be switched between a cleaning station and a non-cleaning station, the front cleaning block and the rear cleaning block are in an outward expansion state when the stations are cleaned, and the front cleaning surface and the rear cleaning surface outwards exceed the front side and the rear side of the two mounting blocks; when the working station is cleaned, the distance between the front side cleaning surface and the rear side cleaning surface is larger than the width of a ventilation inner cavity between the double-layer glass, and the shortest limit distance between the front side cleaning surface and the rear side cleaning surface after being compressed is smaller than the width of the ventilation inner cavity; when the cleaning machine is not used for cleaning a station, the front cleaning block and the rear cleaning block are integrally retracted into the sliding grooves of the two mounting blocks.

Wherein, the telescopic control mechanism comprises a middle connecting rod 35 vertically arranged between a front cleaning block 33 and a rear cleaning block 34, short connecting rods 36 are hinged at the front side and the rear side of the middle connecting rod 35 in pairs, the front end of the short connecting rod 36 at the front side is hinged at the rear side of the front cleaning block 33, the rear end of the short connecting rod 36 at the rear side is hinged at the front side of the rear cleaning block 34, one end of the middle connecting rod 35 is a control end, the control end can be inserted into a slot at the middle part of the mounting block 32 in a drawing way, a shift lever 37 is fixedly connected with the control end of the middle connecting rod 35 along the left side or the right side horizontally and outwards, the outside of the shift lever 37 extends out of the side of the mounting block and forms a shifting part, an elastic clamping groove 38 communicated with the slot is arranged at the position of the side of the mounting block, two elastic clamping grooves are formed at the upper end and the lower end of the elastic clamping groove 38, the shift, when the short connecting rod 36 is in a flattening opening state, the front cleaning block and the rear cleaning block are pushed to slide out of a small part along the front side and the rear side of the sliding groove to form a cleaning station, and when the short connecting rod is in a bending folding state, the front cleaning block and the rear cleaning block are driven to retract into the sliding groove to form a non-cleaning station.

Wherein, the short connecting rods 36 have a plurality of pairs and are evenly arranged on the middle connecting rod at intervals along the height direction.

Wherein, one end of the short connecting rod 36 is hinged on the side surface of the middle connecting rod, and the other end is hinged on a lug which is convexly formed on the side surface of the front cleaning block or the rear cleaning block.

The structure is simple and the connection is reliable.

Wherein, the inner side of the elastic clamping groove 38 is provided with an elastic material layer and two elastic clamping groove positions are formed by expanding the elastic material layer in the width direction of the self clamping groove at the upper end and the lower end.

Wherein, the lower end of the middle connecting rod 35 is a control end, and the elastic clamping groove 38 is positioned on the right side surface of the mounting block at the lower end. Therefore, the shifting lever is positioned on the right side below the device, and the manual operation and control are more convenient.

Therefore, the window can control the on-off and switching of the air channels through the upper air channel switching device and the lower air channel switching device so as to meet the air intake and exhaust requirements under different conditions.

Claims

1. A room ventilation control method based on a new fan of air exhaust type, install air conditioning equipment and new fan of air exhaust type in advance in the room, the window installation of the room adopts the glass window with ventilation function, the glass window has double glazing and forms the ventilation cavity between the double glazing, characterized by, realize the room ventilation according to the following operational control mode;

1) in summer, in the indoor refrigeration and ventilation mode when solar radiation is weak, air conditioning equipment refrigerates, the temperature of indoor air is lower than that of a glass window and lower than that of outdoor air, an exhaust type fresh air fan is started to exhaust air, and the indoor pressure is lower than the outdoor pressure; at the moment, the air channels of the glass window are controlled to be switched to realize air inlet, and the air channels are controlled to enable outdoor air to flow through the ventilation inner cavity of the glass interlayer from the air channel at the outer side of the upper part and then flow out from the air channel at the inner side of the lower part; in the process, outdoor high-temperature air enters the room through the glass interlayer, is precooled in the glass interlayer channel, and enters the room after the air inlet temperature is reduced;

2) in summer, in the case of strong solar radiation, in the indoor refrigeration and ventilation mode, the air conditioning equipment refrigerates, the indoor air temperature is lower than the outdoor air temperature and lower than the glass window temperature, the exhaust type fresh air fan is started to exhaust air, and the indoor pressure is lower than the outdoor pressure; at the moment, the air channels of the glass window are controlled to be switched to realize air inlet, the air channels are controlled to enable outdoor air to enter from the lower outer air channel, one part of air upwards passes through the air cavity and then flows out from the upper outer air channel, the heat transfer quantity from the outdoor to the indoor is reduced, and the other part of air enters a room from the lower inner air channel;

3) in the winter indoor heating and ventilation mode, the air conditioning equipment heats, the indoor air temperature is higher than the outdoor air temperature, the exhaust type fresh air fan is started to exhaust air, and the indoor pressure is lower than the outdoor pressure; at the moment, the air channels of the glass window are controlled to be switched to realize air inlet, so that outdoor air enters from the air channel at the outer side of the lower part, flows upwards through the ventilation inner cavity and then enters into a room from the air channel at the inner side of the upper part; in the process, outdoor low-temperature air enters the room through the glass interlayer, is preheated in the glass interlayer channel, and enters the room after the air inlet temperature is increased.

2. A room ventilation control method based on an exhaust type fresh air fan as claimed in claim 1, wherein the glass window with ventilation function comprises a rectangular window frame, double-layer glass is vertically and fixedly arranged in the window frame at intervals in the front-back direction, a ventilation inner cavity is formed between the double-layer glass, an upper outer air duct communicated to the outside outwards and an upper inner air duct communicated to the inside inwards are respectively arranged at the upper end of the window frame, the upper outer air duct, the upper inner air duct and the upper end of the ventilation inner cavity are communicated with each other, and an upper air duct switching device for controlling the on-off switching of the three is arranged among the upper outer air duct, the upper inner air duct and; the lower end of the window frame is also respectively provided with a lower outer air duct communicated to the outer side and a lower inner air duct communicated to the inner side, the lower outer air duct, the lower inner air duct and the lower end of the ventilation inner cavity are communicated, and a lower air duct switching device for controlling the on-off switching of the lower outer air duct, the lower inner air duct and the ventilation inner cavity is arranged among the lower outer air duct, the lower inner air duct and the.

3. The ventilation control method for a room based on a fresh air exhaust fan according to claim 2, wherein the upper air duct switching device comprises a rotating shaft for upper air duct switching control, the rotating shaft for upper air duct switching control is installed in the middle of an upper rotating shaft installation cavity along the length direction of the window, the upper rotating shaft installation cavity is formed at the intersection position of the upper ends of the upper outer air duct, the upper inner air duct and the ventilation inner cavity, the rotating shaft for upper air duct switching control, the upper rotating shaft installation cavity, the upper outer air duct and the upper inner air duct are all strip-shaped and arranged along the length direction of the window, an upper baffle plate connecting member is fixedly arranged on the rotating shaft for upper air duct switching control, an upper air duct switching baffle plate is fixedly connected to the outer side of the upper baffle plate connecting member, the width of the upper air duct switching baffle plate is greater than the, when the rotating shaft for controlling the switching of the upper air channel rotates, the upper air channel switching baffle can be controlled to be sequentially switched to the positions of the top of the upper rotating shaft installation cavity for shielding the upper outer air channel, the upper end of the ventilation inner cavity, the upper inner air channel and the upper end of the ventilation inner cavity; the upper air channel switching device also comprises an upper rotating shaft control mechanism which is connected with the rotating shaft for upper air channel switching control and controls the rotation of the rotating shaft.

4. A room ventilation control method based on an exhaust type fresh air fan according to claim 3, characterized in that the projections of the connection parts between any two of the upper outside air duct, the upper inside air duct and the upper end of the ventilation inner chamber on the plane perpendicular to the rotating shaft for switching control of the upper air duct are all arc shapes with the same diameter circle, so that the whole upper rotating shaft installation cavity is in a horizontal cylindrical shape, and the outer side surface of the upper air duct switching baffle protrudes outwards to form an arc surface matched with the cylindrical shape;

the upper air channel switching baffle is integrally of an arc-shaped plate-shaped structure, the upper baffle connecting component is integrally of a fan-shaped plate-shaped structure perpendicular to the upper air channel switching control rotating shaft, and the outer side face of the upper baffle connecting component is fixed on the inner side face of the upper air channel switching baffle.

5. The ventilation control method for room based on exhaust fan according to claim 2, wherein said upper spindle control means comprises an output driven helical gear for upper spindle control fixed to one end of the upper spindle for switching control of the upper duct, said output driven helical gear for upper spindle control being engaged with an output driving helical gear for upper spindle control, said output driving helical gear for upper spindle control being fixedly mounted on the upper end of a vertically disposed vertical shaft for upper spindle control, said vertical shaft for upper spindle control being rotatably mounted in a vertical shaft mounting cavity formed in the upper portion of one side of the window frame, said vertical shaft for upper spindle control having an input driven helical gear for upper spindle control fixedly mounted on the lower end thereof, said input driven helical gear for upper spindle control being engaged with an input driving helical gear for upper spindle control, the mounting shaft of the input end driving helical gear for controlling the upper rotating shaft can rotatably and horizontally penetrate out of the window frame inwards and is provided with an upper rotating shaft control knob.

6. The ventilation control method for a room based on a fresh air exhausting fan according to claim 2, wherein the lower air duct switching device includes a lower air duct switching control shaft installed in the middle of a lower shaft installation chamber along the length direction of the window, the lower shaft installation chamber is formed at the intersection of the lower ends of the lower outside air duct, the lower inside air duct and the ventilation chamber, the lower air duct switching control shaft, the lower shaft installation chamber, the lower outside air duct and the lower inside air duct are all elongated strips arranged along the length direction of the window, a lower baffle plate connecting member is fixedly installed on the lower air duct switching control shaft, a lower air duct switching baffle plate is fixedly connected to the outside of the lower baffle plate connecting member, the lower air duct switching baffle plate has a width larger than the width of the lower outside air duct, the width of the lower inside air duct and the width of the lower end of the ventilation, when the rotating shaft for controlling the switching of the lower air duct rotates, the lower air duct switching baffle can be controlled to be sequentially switched to the positions of the lower rotating shaft mounting cavity bottom which is over against the lower outer air duct, the lower end of the ventilation inner cavity, the lower inner air duct and the lower end of the ventilation inner cavity; the lower air duct switching device also comprises a lower rotating shaft control mechanism which is connected with the rotating shaft for lower air duct switching control and controls the rotation of the rotating shaft.

7. A room ventilation control method based on an exhaust type fresh air fan as claimed in claim 6, wherein projections of connection parts between any two of the lower outer air duct, the lower inner air duct and the lower end of the ventilation inner cavity on a rotating shaft plane for switching control of the lower air duct are all arc shapes with the same diameter, so that the whole lower rotating shaft installation cavity is in a horizontal cylindrical shape, and the outer side surface of the lower air duct switching baffle protrudes outwards to form an arc surface matched with the cylindrical shape.

8. The ventilation control method for room based on exhaust fan according to claim 6, wherein said lower spindle control means comprises an output driven helical gear for lower spindle control fixed to one end of the lower spindle for switching control of lower duct, said output driven helical gear for lower spindle control being engaged with an output driving helical gear for lower spindle control, said output driving helical gear for lower spindle control being fixedly installed at the lower end of a vertically disposed vertical shaft for lower spindle control, said vertical shaft for lower spindle control being rotatably installed in a vertical shaft installation cavity formed at the lower part of one side of the window jamb, said vertical shaft for lower spindle control having an input driven helical gear for lower spindle control fixedly installed at its upper end, said input driven helical gear for lower spindle control being engaged with an input driving helical gear for lower spindle control, the installation shaft of the input end driving helical gear for controlling the lower rotating shaft can rotatably and horizontally penetrate out of the window frame inwards and is provided with a knob for controlling the lower rotating shaft.

9. A ventilation control method for a room based on a fresh air exhaust fan according to claim 2, characterized in that a window inner cavity cleaning structure is further provided, the window inner cavity cleaning structure comprises a cleaning device installation cavity vertically arranged inside one side of a window frame, the cleaning device installation cavity is integrally communicated with the ventilation inner cavity between double-layer glass, a window inner cavity cleaning device is arranged in the cleaning device installation cavity, the window inner cavity cleaning device is integrally vertically elongated and has a length larger than the height of the window glass, the window inner cavity cleaning device is provided with a front side cleaning surface positioned at the front side and a rear side cleaning surface positioned at the rear side, the front side cleaning surface and the rear side cleaning surface are made of flexible cleaning materials and have the same height as the height of the window glass, and the width of the front side cleaning surface and the width of the rear side cleaning surface are smaller than the width of the ventilation inner cavity between the double-layer glass when the front side cleaning surface, the upper end and the lower end of the front side cleaning surface are respectively provided with a threaded hole, the threaded holes are used for being detachably connected with a cleaning screw rod, the upper end and the lower end of an inner cavity of a window frame are respectively provided with a cleaning groove with one horizontal position corresponding to the threaded holes, the outer side of each cleaning groove is covered with a detachable groove baffle, and the outer side of a cleaning device installation cavity is covered with a detachable installation cavity baffle.

10. A ventilation control method for a room based on a fresh air exhaust fan according to claim 9, wherein the window inner cavity cleaning device comprises an installation block at the upper end and an installation block at the lower end, and further comprises a front cleaning block at the front side and a rear cleaning block at the rear side, the width of the two installation blocks in the front-rear direction is smaller than the width of the window frame inner cavity, the lower surface of the installation block at the upper end and the upper surface of the installation block at the lower end are respectively provided with a sliding groove along the front-rear direction, the upper end and the lower end of the front cleaning block and the upper end and the lower end of the rear cleaning block are slidably clamped and matched in the sliding grooves, the front side of the front cleaning block is made of a flexible cleaning material and forms a front side cleaning surface, and the rear side of the rear cleaning block; a telescopic control mechanism is also arranged between the front cleaning block and the rear cleaning block and can control the front cleaning block and the rear cleaning block to be switched between a cleaning station and a non-cleaning station, when the stations are cleaned, the front cleaning block and the rear cleaning block are in an outward expansion state, and the front side cleaning surface and the rear side cleaning surface outwards exceed the front side surface and the rear side surface of the two mounting blocks; when the working station is cleaned, the distance between the front side cleaning surface and the rear side cleaning surface is larger than the width of a ventilation inner cavity between the double-layer glass, and the shortest limit distance between the front side cleaning surface and the rear side cleaning surface after being compressed is smaller than the width of the ventilation inner cavity; when the working station is not cleaned, the front cleaning block and the rear cleaning block integrally retract into the sliding grooves of the two mounting blocks;

the telescopic control mechanism comprises a middle connecting rod vertically arranged between a front cleaning block and a rear cleaning block, short connecting rods are hinged to the front side and the rear side of the middle connecting rod in pairs, the front end of each short connecting rod of the front side is hinged to the rear side of the front cleaning block, the rear end of each short connecting rod of the rear side is hinged to the front side of the rear cleaning block, one end of each middle connecting rod is a control end, the control end can be inserted into a slot in the middle of an installation block in a pulling mode, a driving rod is horizontally and fixedly connected to the control end of each middle connecting rod along the left side or the right side, the side of each installation block extends out of the side of the driving rod and forms a stirring part, an elastic clamping groove communicated with the slot is formed in the position of the driving rod on the side of the installation block, two elastic clamping grooves are formed in the upper end and the lower end of the elastic clamping groove, the driving rod can vertically stir and control each pair of short connecting rods to be switched between a flattening opening The short connecting rod drives the front cleaning block and the rear cleaning block to retract into the sliding chute to form a non-cleaning station when being bent and folded.