CN114857768B - Heat exchange mechanism for heating ventilation air conditioner - Google Patents
Heat exchange mechanism for heating ventilation air conditioner Download PDFInfo
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- CN114857768B CN114857768B CN202210628981.9A CN202210628981A CN114857768B CN 114857768 B CN114857768 B CN 114857768B CN 202210628981 A CN202210628981 A CN 202210628981A CN 114857768 B CN114857768 B CN 114857768B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/008—Details related to central heating radiators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1084—Arrangement or mounting of control or safety devices for air heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Central Air Conditioning (AREA)
Abstract
The invention relates to the field of air conditioning systems, in particular to a heat exchange mechanism used for a heating ventilation air conditioner, wherein the first end of a first air pipe is communicated with the air conditioner, the second end of the first air pipe is communicated with a first disc-shaped pipe group, the second end of the first disc-shaped pipe group is communicated with the first end of a heat exchange pipe, the second end of the heat exchange pipe is communicated with the first end of a second disc-shaped pipe group, and the second end of the second disc-shaped pipe group is communicated with a second air pipe; the first end of the third air pipe is communicated with the heat exchange air box, the heat exchange air box is of a box body structure, the first end of the fourth air pipe is communicated with the heat exchange air box, and the heat exchange pipe is positioned in the heat exchange air box; the air conditioner and the indoor air inlet are arranged indoors; the heat exchange air box, the second end of the second air pipe and the second end of the third air pipe are arranged outdoors. The heat exchange mechanism can realize gas heat exchange in the passing process, and simultaneously can reduce energy consumption and noise.
Description
Technical Field
The invention relates to the field of air conditioning systems, in particular to a heat exchange mechanism for a heating ventilation air conditioner.
Background
The hvac system is an air conditioner having heating, ventilating and air conditioning functions. The basic purpose of the heating ventilation air conditioner is to realize temperature regulation, realize temperature control and keep indoor air fresh.
Most of heating and ventilating air conditioners in the prior art do not have a heat exchange system due to the limitation of installation space, heat is seriously dissipated when air inside and outside an indoor air chamber is exchanged, and meanwhile, the air conditioner is powered on and has higher power consumption.
Disclosure of Invention
In order to solve the problems, the invention provides a heat exchange mechanism for a heating ventilation air conditioner, which can realize gas heat exchange in the passing process, and simultaneously can reduce energy consumption and noise.
In order to realize the purpose, the invention adopts the technical scheme that:
a heat exchange mechanism used for a heating ventilation air conditioner comprises an air conditioner, a first air pipe, a first disk-shaped pipe group, a heat exchange pipe, a second disk-shaped pipe group, a second air pipe, an indoor air opening, a third air pipe, a fourth air pipe and a heat exchange air box, wherein the first end of the first air pipe is communicated with the air conditioner, the second end of the first air pipe is communicated with the first disk-shaped pipe group, the second end of the first disk-shaped pipe group is communicated with the first end of the heat exchange pipe, the second end of the heat exchange pipe is communicated with the first end of the second disk-shaped pipe group, and the second end of the second disk-shaped pipe group is communicated with the second air pipe; the first end of the third air pipe is communicated with the heat exchange air box, the heat exchange air box is of a box body structure, an air box inner cavity is formed inside the heat exchange air box, the first end of the fourth air pipe is communicated with the heat exchange air box, and the heat exchange pipe is located in the heat exchange air box;
the air conditioner is arranged indoors, the second end of the third air pipe is an indoor air port, and the indoor air port is arranged indoors; the heat exchange air box is arranged outdoors, the second end of the second air pipe is arranged outdoors, and the second end of the third air pipe is arranged outdoors.
Preferably, in the third air duct and the fourth air duct, the height from the indoor air opening to the cavity inside the second end of the third air duct gradually increases.
Preferably, the air conditioner includes an electric auxiliary heating device and a refrigeration system, and the refrigeration system further includes a condenser, and the condenser is disposed at the second port of the fourth air duct.
Preferably, the second end of the second air duct is gradually increased to the height of the air conditioner.
Preferably, the first disc-shaped pipe group and the second disc-shaped pipe group are identical in structure and respectively comprise a first supporting plate, an air suction pipe and a second supporting plate, the first supporting plate and the second supporting plate are circular plates, the first supporting plate and the second supporting plate are respectively provided with a plurality of hollowed holes, the air suction pipes are also provided with a plurality of air suction pipes, the air suction pipes are middle reducing pipes, and two ends of each air suction pipe are respectively butted with the holes in the first supporting plate and the second supporting plate;
the first end of the second air pipe is connected with the outer edge of the first supporting plate of the second disc-shaped pipe group in a sealing way, and the outer edge of the second supporting plate of the second disc-shaped pipe group is connected with the second end of the heat exchange pipe in a sealing way; the second end of the heat exchange tube is connected with the outer edge of a first supporting plate of the first disc-shaped tube group in a sealing mode, and the outer edge of a second supporting plate of the first disc-shaped tube group is connected with the second end of the first air pipe in a sealing mode.
Preferably, the first and second disc-shaped tube groups are both disposed in the heat exchange air box.
Preferably, the air suction pipe comprises an air inlet section, a throat section and an air outlet section, wherein the air inlet section is a trumpet-shaped pipe, the air inlet section is a partial cross section of a sphere, the flared end of the air inlet section is connected with the first supporting plate in a sealing manner, the gathering end of the air inlet section is connected with the first end of the throat section, the throat section is a waist-shaped pipe, the air outlet section is a trumpet-shaped pipe, the second end of the throat section is connected with the gathering end of the air outlet section, and the flared end of the air outlet section is connected with the second supporting plate in a sealing manner;
the length L of the air inlet section, the length M of the throat section and the length N of the air outlet section are respectively 22mm-27mm, 22mm-27mm and 60mm-70mm;
the diameter O of the flaring end of the air inlet section, the diameter P of the flaring end of the air outlet section and the diameter of the narrowest part of the throat section are respectively 65mm-76mm, 45mm-55mm and 30mm-35mm;
the curvature radius R1 of the air inlet section is 80-85 mm; the curvature radius R1 of the throat section is 50mm-60mm;
the connection parts of the inner walls of the air inlet section, the throat section and the air outlet section are in smooth transition.
Preferably, the second air duct has a booster fan therein.
Preferably, the heat exchange mechanism used by the heating, ventilating and air conditioning further comprises a communication module and a controller;
the air conditioner executes refrigeration and heating instructions respectively through a built-in refrigeration system and an electric auxiliary heating device;
the booster fan is used for sucking outdoor air into the second air pipe and increasing the air pressure in the second air pipe;
the controller is in signal connection with the air conditioner and the booster fan respectively, and is used for transmitting an execution instruction to the air conditioner and the booster fan; the communication module is in signal connection with the controller, is used for receiving an execution instruction sent by external equipment and sending the execution instruction to the controller, and is used for receiving the working state information of the air conditioner and the booster fan fed back by the controller and feeding back the working state information of the air conditioner and the booster fan to the external equipment;
the external equipment is at least one of a mobile terminal, a cloud processing terminal or a fixed controller.
Preferably, the heat exchange means used in the hvac apparatus is a heat exchange means,
outdoor air enters a second air pipe through a second air pipe, the air is accelerated and sucked into the heat exchange pipe by utilizing a plurality of air suction pipes in a second disc-shaped pipe group when passing through the second disc-shaped pipe group, the air flows out of the plurality of air suction pipes in the second disc-shaped pipe group and then is mixed, the air flows into a first air pipe through the first disc-shaped pipe group for secondary acceleration, and finally, the air is conveyed indoors after being forcibly cooled by an evaporator in a refrigerating system of an air conditioner;
indoor air enters the heat exchange air box through the third air pipe and is discharged to the outdoor through the fourth air pipe, the temperature of the indoor air is lower than that of the outdoor air, the height from an indoor air inlet to an inner cavity of the second end of the third air pipe in the third air pipe and the fourth air pipe is gradually increased, the indoor air pressure is increased as the first disc-shaped pipe group and the second disc-shaped pipe group drive the outdoor air to flow into the indoor in an accelerating mode, meanwhile, the condenser is arranged at the second end of the fourth air pipe, and the fourth air pipe discharges gas in an accelerating mode, so that the indoor air and the outdoor air form self-flow, the air flowing into the indoor air and the air flowing out of the indoor air exchange heat in the heat exchange air box fully in the process, and the air flowing into the indoor air is pre-cooled in the heat exchange air box;
state 2, forced cooling state: turning on the booster fan on the basis of the state 1, and increasing the power of the refrigeration system;
state 3, heating state: turning on the booster fan, turning off the refrigerating system of the air conditioner, turning on the electric auxiliary heating device of the air conditioner,
outdoor air enters a second air pipe through a second air pipe, when the air passes through a second disc-shaped pipe group, the air is accelerated to be sucked into the heat exchange pipe by utilizing a plurality of air suction pipes in the second disc-shaped pipe group, the air flows out of the plurality of air suction pipes in the second disc-shaped pipe group and then is mixed, the air secondarily accelerates to flow into a first air pipe through a first disc-shaped pipe group, and finally is heated by an electric auxiliary heating device and then is discharged indoors;
the first disc-shaped tube group and the second disc-shaped tube group drive outdoor air to flow into a room in an accelerated mode to cause indoor air pressure to increase, the booster fan, the first disc-shaped tube group and the second disc-shaped tube group drive outdoor air to flow into the room in an accelerated mode to cause indoor air pressure to increase, the indoor air enters the heat exchange air box through the third air pipe and is discharged to the outside through the fourth air pipe, the air flowing into the room and the air flowing out of the room exchange heat in the heat exchange air box fully in the process, and the air flowing into the room is preheated in the heat exchange air box;
the first disc-shaped pipe group and the second disc-shaped pipe group drive outdoor air to flow into a room in an accelerated manner to increase indoor air pressure, the outdoor air enters the second air pipe through the second air pipe, when the air passes through the second disc-shaped pipe group, the air is sucked into the heat exchange pipe in an accelerated manner by utilizing the plurality of suction pipes in the second disc-shaped pipe group, the air flows out of the plurality of suction pipes in the second disc-shaped pipe group and then is mixed, the air flows into the first air pipe through the first disc-shaped pipe group in a secondary accelerated manner, and finally the air is conveyed into the room;
as the indoor air pressure is increased, the indoor air is automatically discharged to the outdoor through the indoor air opening, the third air pipe, the heat exchange air box and the fourth air pipe, so that a ventilation cycle is formed;
state 5, forced ventilation state: on the basis of state 4, the booster fan is turned on.
The beneficial effects of the invention are as follows:
the heat exchange mechanism can realize sufficient heat exchange of indoor exhaust air and indoor air entering through the heat exchange bellows, and due to the ingenious matching of the arrangement positions of the air conditioner, the heat exchange bellows, the booster fan and the condenser, the heat exchange mechanism can realize various use states through lower energy consumption, meanwhile, the air conditioner main body is arranged indoors, and the rest parts are arranged outdoors, so that the working noise of the heat exchange mechanism can be reduced.
Drawings
Fig. 1 is a schematic structural view of a heat exchange mechanism used for an hvac apparatus of the present invention.
Fig. 2 is a schematic view of a first coil pipe set in a heat exchange mechanism for an hvac apparatus according to the present invention.
Fig. 3 is an end view of the first disc tube group in the heat exchange mechanism for an hvac of the present invention.
Fig. 4 is a sectional view taken along the direction C-C in fig. 3.
Fig. 5 is a schematic view of an air suction pipe in a heat exchange mechanism for a heating ventilation air conditioner.
Fig. 6 is a schematic diagram of a control system in a heat exchange mechanism for heating, ventilating and air conditioning according to the invention.
FIG. 7 is a schematic view of an air hose in a comparative example.
The reference numerals include:
10-an air conditioner, 11-an electric auxiliary heating device, 12-a refrigeration system, 121-a condensate conveying pipe, 122-a condenser, 13-a first air pipe, 14-a first disc-shaped pipe group, 141-a first supporting plate, 142-an air suction pipe, 1421-an air inlet section, 1422-a throat section, 1423-an air outlet section, 15-a heat exchange pipe, 16-a second disc-shaped pipe group, 17-a second air pipe, 18-a booster fan, 19-an air suction hopper, 21-an indoor air port, 22-a third air pipe, 23-a fourth air pipe, 30-a heat exchange air box, 31-an inner air box cavity, 40-a controller and 50-a communication module;
a-outdoor, B-indoor, L-air inlet section length, M-throat section length, N-air outlet section length, O-air inlet diameter, P-air outlet diameter, R1-air inlet section curvature radius and R2-throat section curvature radius.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution clearer, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
Example 1
As shown in fig. 1 to 6, the present embodiment provides a heat exchange mechanism for a heating, ventilating and air conditioning, including an air conditioner 10, a first air duct 13, a first disk-shaped tube group 14, a heat exchange tube 15, a second disk-shaped tube group 16, a second air duct 17, an indoor B air opening 21, a third air duct 22, a fourth air duct 23, and a heat exchange air box 30, wherein a first end of the first air duct 13 is communicated with the air conditioner 10, a second end of the first air duct 13 is communicated with the first disk-shaped tube group 14, a second end of the first disk-shaped tube group 14 is communicated with a first end of the heat exchange tube 15, a second end of the heat exchange tube 15 is communicated with a first end of the second disk-shaped tube group 16, and a second end of the second disk-shaped tube group 16 is communicated with the second air duct 17; the first end of the third air pipe 22 is communicated with the heat exchange air box 30, the heat exchange air box 30 is of a box body structure, an air box inner cavity 31 is formed inside the heat exchange air box 30, the first end of the fourth air pipe 23 is communicated with the heat exchange air box 30, and the heat exchange pipe 15 is positioned in the heat exchange air box 30; the air conditioner 10 is arranged in the room B, the second end of the third air duct 22 is an indoor air opening B21, and the indoor air opening B21 is arranged in the room B; the heat exchange air box 30 is arranged outdoors A, the second end of the second air duct 17 is arranged outdoors A, and the second end of the third air duct 22 is arranged outdoors A. The lower end of the second air duct 17 is provided with an air suction hopper 19.
The height of the cavity in the third and fourth ducts 22, 23 increases from the indoor B-port 21 to the second end of the third duct 22. The structure is beneficial to the air in the room B to automatically flow out of the room B by the principle that hot air rises in winter. Similarly, the second end of the second duct 17 is gradually raised to the height of the air conditioner 10.
To accelerate the discharge of the air in the room B, the air conditioner 10 includes an electric auxiliary heating device 11 and a refrigeration system 12, and the refrigeration system 12 further includes a condenser 122, and the condenser 122 is disposed at the second end port of the fourth air duct 23. The heat generated by the condenser 122 heats the air at the second end of the fourth air conduit 23, such that a negative pressure is formed within the second end of the fourth air conduit 23. The refrigerant system indoor unit B and the condenser 122 deliver the refrigerant through the condensate delivery pipe 121.
As shown in fig. 2 to 5, the first disc tube group 14 and the second disc tube group 16 have the same structure, both the first disc tube group 14 and the second disc tube group 16 include a first support plate 141, an air suction pipe 142 and a second support plate, both the first support plate 141 and the second support plate are circular plates, both the first support plate 141 and the second support plate have a plurality of hollowed holes, both the air suction pipes 142 have a plurality of hollow holes, the air suction pipe 142 is a middle diameter reducing pipe, and both ends of the air suction pipe 142 are respectively butted with the holes of the first support plate 141 and the second support plate; the first end of the second air pipe 17 is connected with the outer edge of the first supporting plate 141 of the second disc-shaped pipe group 16 in a sealing way, and the outer edge of the second supporting plate of the second disc-shaped pipe group 16 is connected with the second end of the heat exchange pipe 15 in a sealing way; the second end of the heat exchange tube 15 is connected with the outer edge of the first supporting plate 141 of the first disc-shaped tube group 14 in a sealing way, and the outer edge of the second supporting plate of the first disc-shaped tube group 14 is connected with the second end of the first air duct 13 in a sealing way. The first and second support plates 141 and 143 are preferably plate bodies having a certain shock-absorbing effect to prevent them from generating vibration.
As shown in fig. 4, the first disc tube group 14 and the second disc tube group 16 are each disposed in the heat exchange windbox 30. The air in the room B flows out to the room a through the third air duct 22 and the fourth air duct 23, so that in the heat exchange wind box 30, the air flows through the outer wall of the air suction duct 142, and the air suction ducts 142 in the first coil pipe group 14 and the second coil pipe are independent pipes, so that the heat exchange area is increased obviously.
As shown in fig. 5, taking the first disk tube assembly 14 as an example, the air suction tube 142 includes an air inlet section 1421, a throat section 1422 and an air outlet section 1423, wherein the air inlet section 1421 is a trumpet-shaped tube, the air inlet section 1421 is a partial cross section of a sphere, a flared end of the air inlet section 1421 is hermetically connected to the first support plate 141, a converging end of the air inlet section 1421 is connected to a first end of the throat section 1422, the throat section 1422 is a kidney-shaped tube, the air outlet section 1423 is a trumpet-shaped tube, a second end of the throat section 1422 is connected to a converging end of the air outlet section 1423, a flared end of the air outlet section 1423 is hermetically connected to the second support plate, and the similar throat section 1422 is a tube section of which is a sand filter and has a half of a spherical portion.
The specific dimensions of the air suction pipe 142 are: the length L of the air inlet section 1421, the length M of the throat section 1422 and the length N of the air outlet section 1423 are 22mm-27mm, 22mm-27mm and 60mm-70mm respectively; the diameter O of the flared end of the air inlet section 1421, the diameter P of the flared end of the air outlet section 1423, and the diameter of the narrowest part of the throat section 1422 are 65mm-76mm, 45mm-55mm, and 30mm-35mm, respectively; the curvature radius R1 of the air inlet section 1421 is 80mm-85mm; the curvature radius R1 of the throat section 1422 is 50mm-60mm; the junction of the inner walls of the air inlet section 1421, the throat section 1422 and the air outlet section 1423 is in smooth transition. The second disc tube set 16 is identical in construction to the first disc tube set 14 and will not be described in detail.
As shown in fig. 7, fig. 7 is a structure of a general acceleration air duct, and compared with the acceleration air duct in fig. 7, the air suction duct 142 in the present application has a smooth transition at the internal connection part, and meanwhile, the specific segment length, the opening diameter and the internal diameter of the air suction duct 142 are in proportion, so that after the simulation software ANSYS test and the product actual test are performed, the downstream flow can be formed inside the air suction duct 142, the air flow capability of the air suction duct 142 is prevented from being reduced, and the whistle phenomenon can be prevented from occurring. The acceleration pipe in fig. 7 is easy to generate gas turbulence, and can generate whistle sound under the condition of specific wind speed due to the turbulence and the shrinkage of the inner diameter.
Further, in order to enhance the air flowing effect, the second air duct 17 is provided with a booster fan 18 inside.
As shown in fig. 6, the heat exchange mechanism for hvac further includes a communication module and a controller 40; the air conditioner 10 respectively executes a refrigerating instruction and a heating instruction through a built-in refrigerating system 12 and an electric auxiliary heating device 11; the booster fan 18 is used for sucking the outdoor air a into the second air duct 17 and increasing the air pressure in the second air duct 17; the controller 40 is respectively in signal connection with the air conditioner 10 and the booster fan 18, and the controller 40 is used for transmitting an execution instruction to the air conditioner 10 and the booster fan 18; the communication module is in signal connection with the controller 40, and is used for receiving an execution instruction sent by an external device and sending the execution instruction to the controller 40, and is used for receiving the working state information of the air conditioner 10 and the booster fan 18 fed back by the controller 40 and feeding back the working state information of the air conditioner 10 and the booster fan 18 to the external device; the external device is at least one of a mobile terminal, a cloud processing terminal or a fixed controller 40.
Example 2
The heat exchange method of the heat exchange mechanism used in the hvac in the present embodiment uses the heat exchange mechanism used in the hvac in embodiment 1, specifically as follows,
the air in the outdoor A enters the second air duct 17 through the second air duct 17, when the air passes through the second disc tube group 16, the air is accelerated and sucked into the heat exchange tube 15 by using the plurality of suction tubes 142 in the second disc tube group 16, the air flows out of the plurality of suction tubes 142 in the second disc tube group 16 and then is mixed, the air is secondarily accelerated and flows into the first air duct 13 through the first disc tube group 14, and finally, the air is forcibly cooled by the evaporator in the refrigeration system 12 of the air conditioner 10 and then is conveyed to the indoor B;
the air in the room B enters the heat exchange air box 30 through the third air duct 22 and is discharged to the room A through the fourth air duct 23, the temperature of the air in the room B is lower than that of the air in the room A, the air in the room B is driven by the first disc-shaped tube group 14 and the second disc-shaped tube group 16 to flow to the room B in an accelerated manner to increase the air pressure in the room B because the height of the cavity in the third air duct 22 and the fourth air duct 23 from the air inlet 21 in the room B to the second end of the third air duct 22 is gradually increased, meanwhile, the condenser 122 is arranged at the second end of the fourth air duct 23, and the air in the room B and the air in the room A are discharged in an accelerated manner, so that the air in the room B and the air in the room A form self-flow, the air flowing into the room B and the air flowing out of the room B fully exchange heat in the heat exchange air box 30, and the air flowing into the room B is pre-cooled in the heat exchange air box 30;
state 2, forced cooling state: on a state 1 basis, the booster fan 18 is turned on and the refrigeration system 12 increases power;
state 3, heating state: turning on the booster fan 18, turning off the refrigeration system 12 of the air conditioner 10, turning on the electric auxiliary heating device 11 of the air conditioner 10,
the air in the outdoor A enters the second air duct 17 through the second air duct 17, when the air passes through the second disc-shaped tube group 16, the air is accelerated and sucked into the heat exchange tube 15 by using the plurality of air suction tubes 142 in the second disc-shaped tube group 16, the air flows out of the plurality of air suction tubes 142 in the second disc-shaped tube group 16 and then is mixed, the air passes through the first disc-shaped tube group 14 and then is accelerated and flows into the first air duct 13 for the second time, and finally the air is heated by the electric auxiliary heating device 11 and then is discharged into the indoor B;
since the first and second disc tube sets 14 and 16 drive the air in the room a to flow into the room B at high speed, which results in the air pressure in the room B increasing, and the booster fan 18, the first and second disc tube sets 14 and 16 drive the air in the room a to flow into the room B at high speed, which results in the air pressure in the room B increasing, the air in the room B enters the heat exchange bellows 30 through the third air duct 22 and is discharged to the room a through the fourth air duct 23, during which the air flowing into the room B and the air flowing out of the room B exchange heat sufficiently in the heat exchange bellows 30 and the air flowing into the room B is pre-warmed in the heat exchange bellows 30;
the air pressure in the room B is increased because the first disc-shaped tube group 14 and the second disc-shaped tube group 16 drive the air in the room A to flow to the room B in an accelerated manner, the air in the room A enters the second air duct 17 through the second air duct 17, the air is sucked into the heat exchange tube 15 in an accelerated manner by using the plurality of suction tubes 142 in the second disc-shaped tube group 16 when passing through the second disc-shaped tube group 16, the air flows out of the plurality of suction tubes 142 in the second disc-shaped tube group 16 and then is mixed, and the air flows into the first air duct 13 through the first disc-shaped tube group 14 in a secondary accelerated manner and is finally conveyed to the room B;
as the air pressure in the room B is increased, the air in the room B is automatically discharged to the outside A through the air inlet 21 in the room B, the third air pipe 22, the heat exchange air box 30 and the fourth air pipe 23, and a ventilation cycle is formed;
state 5, forced ventilation state: on the basis of state 4, the booster fan 18 is turned on.
The foregoing is only a preferred embodiment of the present invention, and many variations in the detailed description and the application scope will be apparent to those skilled in the art based on the spirit of the present invention, and all changes that fall within the scope of the protection of the present patent will be made without departing from the spirit of the present invention.
Claims (6)
1. A heat exchange mechanism for a heating ventilating air conditioner is characterized in that: the air conditioner comprises an air conditioner, a first air pipe, a first disc-shaped pipe group, a heat exchange pipe, a second disc-shaped pipe group, a second air pipe, an indoor air opening, a third air pipe, a fourth air pipe and a heat exchange air box, wherein the first end of the first air pipe is communicated with the air conditioner; the first end of the third air pipe is communicated with the heat exchange air box, the heat exchange air box is of a box body structure, an air box inner cavity is formed inside the heat exchange air box, the first end of the fourth air pipe is communicated with the heat exchange air box, and the heat exchange pipe is located in the heat exchange air box;
the air conditioner is arranged indoors, the second end of the third air pipe is an indoor air port, and the indoor air port is arranged indoors; the heat exchange air box is arranged outdoors, the second end of the second air pipe is arranged outdoors, and the second end of the third air pipe is arranged outdoors;
in the third air pipe and the fourth air pipe, the height from the indoor air opening to the cavity inside the second end of the third air pipe is gradually increased;
the air conditioner comprises an electric auxiliary heating device and a refrigerating system, and the refrigerating system also comprises a condenser, wherein the condenser is arranged at the second port of the fourth air pipe;
the second end of the second air pipe gradually rises to the height of the air conditioner;
the first disc-shaped pipe group and the second disc-shaped pipe group are of the same structure and respectively comprise a first supporting plate, an air suction pipe and a second supporting plate, the first supporting plate and the second supporting plate are both circular plates, the first supporting plate and the second supporting plate are respectively provided with a plurality of hollowed holes, the air suction pipes are also provided with a plurality of air suction pipes, the air suction pipes are reducing pipes arranged in the middle, and two ends of each air suction pipe are respectively butted with the holes in the first supporting plate and the second supporting plate;
the first end of the second air pipe is connected with the outer edge of a first supporting plate of the second disc-shaped pipe group in a sealing manner, and the outer edge of a second supporting plate of the second disc-shaped pipe group is connected with the second end of the heat exchange pipe in a sealing manner; the second end of the heat exchange tube is hermetically connected with the outer edge of a first supporting plate of the first disc-shaped tube group, and the outer edge of a second supporting plate of the first disc-shaped tube group is hermetically connected with the second end of the first air pipe;
the first supporting plate and the second supporting plate are plate bodies with certain damping effects.
2. A heat exchange mechanism for an hvac apparatus as set forth in claim 1, wherein: the first and second disc-shaped pipe groups are arranged in the heat exchange air box.
3. The heat exchange mechanism for an hvac apparatus of claim 1, further comprising: the air suction pipe comprises an air inlet section, a throat section and an air outlet section, wherein the air inlet section is a horn-shaped pipe, the air inlet section is a partial cross section of a sphere, the flared end of the air inlet section is connected with a first supporting plate in a sealing manner, the gathering end of the air inlet section is connected with a first end of the throat section, the throat section is a waist-shaped pipe, the air outlet section is a horn-shaped pipe, the second end of the throat section is connected with the gathering end of the air outlet section, and the flared end of the air outlet section is connected with a second supporting plate in a sealing manner;
the length L of the air inlet section, the length M of the throat section and the length N of the air outlet section are respectively 22mm-27mm, 22mm-27mm and 60mm-70mm;
the diameter O of the flaring end of the air inlet section, the diameter P of the flaring end of the air outlet section and the diameter of the narrowest part of the throat section are respectively 65mm-76mm, 45mm-55mm and 30mm-35mm;
the curvature radius R1 of the air inlet section is 80-85 mm; the curvature radius R1 of the throat section is 50mm-60mm;
the connection parts of the inner walls of the air inlet section, the throat section and the air outlet section are in smooth transition.
4. A heat exchange mechanism for use in an hvac apparatus according to any one of claims 1-3, further comprising: and a booster fan is arranged in the second air pipe.
5. The heat exchange mechanism for an hvac according to claim 4, further comprising: the heat exchange mechanism used by the heating ventilation air conditioner also comprises a communication module and a controller;
the air conditioner executes refrigeration and heating instructions respectively through a built-in refrigeration system and an electric auxiliary heating device;
the booster fan is used for sucking outdoor air into the second air pipe and increasing air pressure in the second air pipe;
the controller is in signal connection with the air conditioner and the booster fan respectively, and is used for transmitting an execution instruction to the air conditioner and the booster fan; the communication module is in signal connection with the controller, is used for receiving an execution instruction sent by external equipment and sending the execution instruction to the controller, and is used for receiving the working state information of the air conditioner and the booster fan fed back by the controller and feeding back the working state information of the air conditioner and the booster fan to the external equipment;
the external equipment is at least one of a mobile terminal, a cloud processing terminal or a fixed controller.
6. The heat exchange mechanism for an hvac according to claim 4, further comprising: the heat exchange method of the heat exchange mechanism used by the heating, ventilating and air conditioning is as follows,
state 1, weak cooling state: turning off the booster fan, turning off the electric auxiliary heating device of the air conditioner, turning on the refrigerating system of the air conditioner,
outdoor air enters a second air pipe through a second air pipe, the air is accelerated and sucked into the heat exchange pipe by utilizing a plurality of air suction pipes in a second disc-shaped pipe group when passing through the second disc-shaped pipe group, the air flows out of the plurality of air suction pipes in the second disc-shaped pipe group and then is mixed, the air flows into a first air pipe through the first disc-shaped pipe group for secondary acceleration, and finally, the air is conveyed indoors after being forcibly cooled by an evaporator in a refrigerating system of an air conditioner;
indoor air enters the heat exchange air box through the third air pipe and is discharged to the outdoor through the fourth air pipe, the temperature of the indoor air is lower than that of the outdoor air, the height from an indoor air inlet to an inner cavity of the second end of the third air pipe in the third air pipe and the fourth air pipe is gradually increased, the indoor air pressure is increased as the first disc-shaped pipe group and the second disc-shaped pipe group drive the outdoor air to flow into the indoor in an accelerating mode, meanwhile, the condenser is arranged at the second end of the fourth air pipe, and the fourth air pipe discharges gas in an accelerating mode, so that the indoor air and the outdoor air form self-flow, the air flowing into the indoor air and the air flowing out of the indoor air exchange heat in the heat exchange air box fully in the process, and the air flowing into the indoor air is pre-cooled in the heat exchange air box;
state 2, forced cooling state: turning on a booster fan on the basis of the state 1, and increasing power of a refrigerating system;
state 3, heating state: turning on the booster fan, turning off the refrigerating system of the air conditioner, turning on the electric auxiliary heating device of the air conditioner,
outdoor air enters a second air pipe through a second air pipe, when the air passes through a second disc-shaped pipe group, the air is accelerated to be sucked into the heat exchange pipe by utilizing a plurality of air suction pipes in the second disc-shaped pipe group, the air flows out of the plurality of air suction pipes in the second disc-shaped pipe group and then is mixed, the air secondarily accelerates to flow into a first air pipe through a first disc-shaped pipe group, and finally is heated by an electric auxiliary heating device and then is discharged indoors;
the first disc-shaped pipe group and the second disc-shaped pipe group drive outdoor air to flow into a room in an accelerated mode to increase indoor air pressure, the booster fan, the first disc-shaped pipe group and the second disc-shaped pipe group drive the outdoor air to flow into the room in an accelerated mode to increase the indoor air pressure, the indoor air enters the heat exchange air box through the third air pipe and is discharged to the outside through the fourth air pipe, in the process, the indoor air flowing into the room and the air flowing out of the room exchange heat in the heat exchange air box fully, and the temperature of the air flowing into the room is pre-increased in the heat exchange air box;
state 4, ventilation state: the booster fan is turned off, the electric auxiliary heating device of the air conditioner is turned off, the refrigerating system of the air conditioner is turned off,
the first disc-shaped pipe group and the second disc-shaped pipe group drive outdoor air to flow into a room in an accelerated manner to increase indoor air pressure, the outdoor air enters the second air pipe through the second air pipe, when the air passes through the second disc-shaped pipe group, the air is sucked into the heat exchange pipe in an accelerated manner by utilizing the plurality of suction pipes in the second disc-shaped pipe group, the air flows out of the plurality of suction pipes in the second disc-shaped pipe group and then is mixed, the air flows into the first air pipe through the first disc-shaped pipe group in a secondary accelerated manner, and finally the air is conveyed into the room;
as the indoor air pressure is increased, the indoor air is automatically discharged to the outdoor through the indoor air opening, the third air pipe, the heat exchange air box and the fourth air pipe, so that a ventilation cycle is formed;
state 5, forced ventilation state: on the basis of state 4, the booster fan is turned on.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210628981.9A CN114857768B (en) | 2022-06-06 | 2022-06-06 | Heat exchange mechanism for heating ventilation air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210628981.9A CN114857768B (en) | 2022-06-06 | 2022-06-06 | Heat exchange mechanism for heating ventilation air conditioner |
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| CN114857768B true CN114857768B (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN110057094A (en) * | 2019-03-26 | 2019-07-26 | 淮南市知产创新技术研究有限公司 | A kind of pre-heated heat exchange device for air and heat change method |
| KR102070805B1 (en) * | 2019-07-03 | 2020-01-29 | 김태성 | circulation air enlargement device for underground parking lot using venturi principle |
| CN110887206A (en) * | 2019-12-23 | 2020-03-17 | 东莞深证通信息技术有限公司 | Air duct of air conditioner with lower air supply |
| CN111623430A (en) * | 2020-07-01 | 2020-09-04 | 长沙跃奇节能电气设备有限公司 | Vertical fresh air conditioning equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1232154A (en) * | 1998-04-10 | 1999-10-20 | 东芝株式会社 | Ventilating device |
| CN1755245A (en) * | 2004-09-27 | 2006-04-05 | 乐金电子(天津)电器有限公司 | Air conditioner with ventilation function |
| CN106574790A (en) * | 2014-01-16 | 2017-04-19 | 干燥转子国际私人有限公司 | Induction supply air terminal unit with increased air induction ratio, method of providing increased air induction ratio |
| CN104132419A (en) * | 2014-08-22 | 2014-11-05 | 杨奎 | Indoor airflow one-way adjusting system |
| CN110057094A (en) * | 2019-03-26 | 2019-07-26 | 淮南市知产创新技术研究有限公司 | A kind of pre-heated heat exchange device for air and heat change method |
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| CN114857768A (en) | 2022-08-05 |
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