CN220852420U - Main unit equipment integrating double-air-duct air conditioner and air energy water heater and equipment platform thereof - Google Patents
Main unit equipment integrating double-air-duct air conditioner and air energy water heater and equipment platform thereof Download PDFInfo
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Abstract
The utility model belongs to the technical field of new energy, and discloses host equipment integrating a double-air-duct air conditioner and an air energy water heater. The host device comprises a shell, 2 groups of refrigerant circulation systems and an exhaust cavity; the refrigerant circulation system includes an external heat exchanger and a compressor; each group of refrigerant circulation system is provided with an independent negative pressure cavity of the external heat exchanger, and the negative pressure cavity of the external heat exchanger consists of an external heat exchanger, a part of shell and a back plate; the back plate is provided with a plurality of air outlets of the negative pressure cavities of the external heat exchangers, the air outlets are provided with fans, and the air outlets of the air outlets are positioned on an air outlet cavity panel opposite to the fans; the air inlet, the outer heat exchanger, the negative pressure cavity, the fan, the exhaust cavity and the air outlet of the host equipment form an air inlet and outlet path with the progressive layout of the rear outer heat exchanger and the front fan and the exhaust cavity. The utility model combines the air energy water heater main machine of the air conditioner main machine into a whole, removes the special air supply and exhaust channel of the external heat exchanger of the air energy water heater, and reduces the occupied area of the equipment platform.
Description
Technical Field
The utility model belongs to the technical field of new energy, and particularly relates to a host device integrating a double-air-duct air conditioner and an air energy water heater and a device platform thereof.
Background
An air conditioner host is arranged on the fine room equipment platform, and an air energy water heater is also arranged at the same time, as shown in figure 1. In the current real smart dress room project, the mounting position of air can water heater host computer and water tank on equipment platform is very random, basically meets the seam pin, and the more unlikely problem to the environment ventilation of water heater host computer heat absorption evaporimeter of solving.
The heat of the air energy water heater is derived from air, the heat of the condenser of the air energy water heater is released, and the main body is the heat extracted from the air by the evaporator; the evaporator of the main machine of the water heater cannot effectively ventilate the ambient atmosphere, so that the air outlet of the evaporator is circularly short-circuited in the small space of the equipment platform, the temperature of the small space of the equipment platform is continuously reduced, and the evaporation pressure of the evaporator is further reduced, and the heating quantity is seriously attenuated; this phenomenon is more serious in low temperature seasons, and the heat pump main unit of the water heater is degenerated into an electric heating tube.
As shown in fig. 2, the pursuit of building designers, owners and society on the visual effect of the outer facade of the building causes the air conditioning host on the equipment platform to be hidden by the outer facade louver, and the classical air conditioning host entering from the back of the wind path and exiting from the front of the wind path is blocked to seriously attenuate the air exhaust and heat exchange performance of the atmosphere outside the building; the medium-speed exhaust (below 7 m/s) air conditioner host computer is hindered to the exhaust of the atmosphere environment outside the equipment platform, the static pressure of exhaust is increased, the exhaust speed is reduced, the air quantity is reduced, and a considerable part of air flow in the reduced exhaust air quantity is blocked by the shutter and returns to the equipment platform and is again inhaled by the external heat exchanger to cause air flow short circuit, so that the diffusion dilution effect of the exhaust penetrating through the shutter of the external elevation into the atmosphere environment is severely inhibited. The condensation pressure of the external heat exchanger is too high, the condensate is not enough in supercooling during the cooling operation in summer, the evaporation pressure of the external heat exchanger is too low, the circulation quantity of the refrigerant is greatly attenuated during the heating operation in winter, the task of the air conditioner serving as a heat carrier cannot be finished at full cost, and the performance of the air conditioner on an equipment platform is greatly reduced compared with laboratory data.
The two-carbon era comes, the popularization of the air energy water heater is greatly accelerated, and a household central air conditioner host and the air energy water heater become standard configurations on a fine room equipment platform in the eye; in summary, the classic household central air conditioner host and the air energy water heater in the early stage of the double carbon age have the following problems:
① Performance attenuation of air energy water heater of air conditioning host on equipment platform
The air conditioning host and the air energy water heater host behind the outer facade shutter of the equipment platform are blocked from exhausting air to the atmosphere outside the building, the diffusion dilution effect of the air exhausted penetrating the outer facade shutter and entering the atmosphere is severely inhibited, so that the condensation pressure of the outer heat exchanger is too high, the condensate undercooling is insufficient when the air conditioning host is in refrigerating operation in summer, the evaporation pressure of the outer heat exchanger is too low, the circulation volume of the refrigerant is greatly attenuated when the air conditioning host is in heating operation in winter, the task of the air energy water heater of the air conditioner serving as a heat carrier cannot be completed at full scale, and the thermal performance of the air energy water heater of the air conditioning host on the equipment platform is greatly reduced compared with the laboratory data.
② Device resource reconfiguration
The air conditioner host and the air energy water heater host are vapor compression refrigeration equipment, the working principle is the same, the electromechanical structure is quite similar, and the air conditioner host and the air energy water heater host are a fluorine path system driven by a compressor, a condenser, a throttle valve and an evaporator, a fan and a water pump driven high-temperature heat source medium system and a low-temperature heat source medium system.
In a narrow equipment platform space, two sets of air conditioner host equipment and heat pump hot water equipment which are mutually independent and have the same principle and similar structure are configured in this way, so that the air conditioner host equipment and the heat pump hot water equipment are repeated configuration of refrigeration equipment resources and waste of the refrigeration equipment resources.
③ Device platform inefficiency and inefficiency area increase
In the two-carbon era, a household central air-conditioning host machine and an air energy water heater (comprising a host machine and a water tank) have become standard configurations on a residential equipment platform;
As the air conditioning host, the air energy water heater and other devices on the residential device platform are required to be distributed as independent units, an air inlet channel is reserved for the outer heat exchanger arranged on the rear side of the air conditioning host adopting the back-in front-out side air outlet channel structure, and an air inlet channel and an air outlet channel are reserved for the air energy water heater host evaporator, the distance among the central air conditioning host, the air energy water heater host, the water tank and other devices on the device platform is increased, and the ineffective low-efficiency area is increased.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a host device for fusing a double-air-duct air conditioner and an air energy water heater;
Another object of the present utility model is to provide an apparatus platform for assembling a dual duct air conditioner and air energy water heater integrated host apparatus.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
A main unit device integrating a double-air-duct air conditioner and an air energy water heater comprises a shell, 2 groups of refrigerant circulating systems arranged in the shell and an exhaust cavity; the refrigerant cycle system includes an external heat exchanger and a compressor;
Each group of refrigerant circulation systems is provided with an independent negative pressure cavity of the external heat exchanger, and the negative pressure cavity of the external heat exchanger consists of an external heat exchanger, a part of shell and a back plate;
The back plate is provided with a plurality of air outlets of the negative pressure cavities of the external heat exchangers, the air outlets are provided with fans, and the air outlets of the air outlets are positioned on an air outlet cavity panel opposite to the fans;
The air inlet, the outer heat exchanger, the negative pressure cavity, the fan, the exhaust cavity and the air outlet of the host equipment form an air inlet and outlet path with progressive layout of the rear-mounted outer heat exchanger and the front-mounted fan and exhaust cavity.
Further, the outer heat exchanger is a horizontal section V-shaped finned tube heat exchanger assembly or a zigzag fold line type finned tube heat exchanger assembly; the horizontal section V-shaped finned tube heat exchanger assembly comprises at least 2 flat plate type finned tube heat exchangers; or the V-shaped finned tube heat exchanger is formed by bending a flat plate type finned tube heat exchanger; or consists of a flat plate type finned tube heat exchanger and a V-shaped finned tube heat exchanger formed by bending the flat plate type finned tube heat exchanger; the cross section of the horizontal section V-shaped finned tube heat exchanger assembly perpendicular to the long sides of the fins is a folded line type.
The long sides of the fins of the flat plate type finned tube heat exchanger are arranged in the vertical direction or close to the vertical direction in the horizontal air duct.
Further, the cross section of the horizontal section V-shaped finned tube heat exchanger assembly vertical to the long sides of the fins is V-shaped or N-shaped, or the horizontal section V-shaped finned tube heat exchanger assembly is formed by continuously arranging at least 2 fin tube heat exchangers with the cross sections vertical to the long sides of the fins.
Preferably, the cross section of the horizontal cross section V-shaped finned tube heat exchanger assembly, which is perpendicular to the long sides of the fins, is W-shaped; preferably, the apex angle alpha of the V-shaped fin tube heat exchanger is 15-110 degrees.
Preferably, the apex angle alpha of the V-shaped fin tube heat exchanger is 30-90 degrees.
Preferably, the apex angle alpha of the V-shaped fin tube heat exchanger is 30-60 degrees.
Further, one side of the section of the horizontal section V-shaped finned tube heat exchanger assembly vertical to the long sides of the fins is a heat exchanger air inlet surface, and the other side is a heat exchanger air outlet surface; the air outlet surface belongs to the negative pressure cavity area of the external heat exchanger.
Further, the incident surface of the air inlet flow is each flat plate type finned tube heat exchanger in the horizontal section V-shaped finned tube heat exchanger assembly, and the intersection angle between the air inlet flow and the tip of each fin plate on each flat plate type finned tube heat exchanger is an obtuse angle; the obtuse angle beta is 97.5-145 degrees; the air inlet flow impacts the tip of each fin plate in the horizontal section V-shaped fin tube heat exchanger assembly at an obtuse angle beta, and is reflected by the fin tip plate to enter fin gaps to flow to the negative pressure cavity of the external heat exchanger.
Further, the flow rate of the air flow entering each fin gap d is equal to the air inlet flow intercepted by the vertical distance delta between the tips of the front fin plate and the rear fin plate of the flat plate type fin tube heat exchanger in the horizontal section V-shaped fin tube heat exchanger assembly on the air inlet section;
Delta = d.sin alpha/2, where alpha is the apex angle of the V-type finned tube heat exchanger;
The vertical distance delta value of the tips of the front fin plate and the rear fin plate of the flat plate type fin tube heat exchanger on the air inlet section is 0.13 d-0.7 d.
Preferably, the air flow speed of the fin gap is 1/3 of the air inlet speed, and the incidence obtuse angle beta corresponding to the vertex angle alpha of the V-shaped fin tube heat exchanger is 39 degrees and 109.5 degrees.
Further, the zigzag broken line type finned tube heat exchanger assembly is formed by combining a flat plate type finned tube heat exchanger, a V-shaped finned tube heat exchanger and a partition plate; the zigzag fold line type finned tube heat exchanger assembly is zigzag in cross section perpendicular to the long sides of the fins.
The finned tube copper tubes of the serrated fold line type finned tube heat exchanger assembly are parallel to the serrated edges; the fin plate group of the fin tube heat exchanger is orthogonally sleeved on the copper tube.
The zigzag fold line type finned tube heat exchanger assembly, the upper bottom plate, the lower bottom plate, the left side plate and the right side plate are combined into an outer heat exchanger negative pressure cavity.
The finned tube copper tubes are parallel or basically parallel to the upper bottom plate and the lower bottom plate and are in oblique relation with the left side plate and the right side plate.
The zigzag fold line type finned tube heat exchanger assembly divides a heat exchange air duct into a front cavity and a rear cavity, the front cavity is an air inlet cavity, the rear cavity is communicated with an air suction port of the fan set and is a negative pressure cavity of the external heat exchanger;
Preferably, the finned tube copper tube forms an obtuse angle with the side wall of the negative pressure cavity of the adjacent external heat exchanger.
Further, the negative pressure cavities of the 2 outer heat exchangers are arranged up and down or side by side left and right. That is, the outer heat exchangers are arranged up and down or side by side.
Further, the back plate is provided with at least 2 air outlets; a fan is arranged at each air outlet to form a fan wall; preferably, the fan adopts a centrifugal fan or an axial flow fan; further preferably, the centrifugal fan is a backward inclined outer rotor centrifugal fan.
Preferably, the back plate is provided with 4 or 6 air outlets; and a fan is arranged at each air outlet to form a fan wall.
Further, an exhaust section is arranged at the air outlet.
Further, a plurality of flow guide plates are arranged in the exhaust section; the air guide plate sheet is parallel to or nearly parallel to the shutter sheets, or the air guide plate sheet is vertically arranged and provided with an angle for guiding the exhaust air flow to deviate from the air conditioner host.
Further, the air outlet area of the air exhaust cavity is 15-60% of the air inlet surface area of the negative pressure cavity of the outer heat exchanger.
Further, the air outlet of the air exhaust cavity is positioned in the middle or lower part of the panel of the air exhaust cavity; preferably, the air outlet comprises a horizontal strip-shaped or vertical strip-shaped air outlet which is arranged in the middle or lower part of the air exhaust cavity panel.
Further, a diving type exhaust section is arranged at the air outlet; a plurality of flow guide plates are arranged in the diving type exhaust section.
Further, an outer convex exhaust section is arranged at the air outlet; a plurality of flow guide plates are arranged in the convex exhaust section.
Further, the sides of the negative pressure cavity and the exhaust cavity of the external heat exchanger are provided with a compressor cavity for placing a fluorine circuit component comprising a compressor, a gas-liquid separator, a four-way valve, an expansion valve and an electric box.
Further, the air conditioner main unit is also provided with an intermediate heat exchanger, and two paths of heat exchange medium channels of the intermediate heat exchanger are respectively a refrigerant channel and an air conditioner water channel of the air conditioner main unit; the refrigerant channel is connected with a fluorine path of the air conditioner host; the air conditioner water channel is connected with an air conditioner indoor heat exchanger.
The host equipment is arranged in the outer corridor type equipment platform, and an air outlet of the air exhaust cavity faces the outer vertical face of the outer corridor type equipment platform.
Further, an exhaust section is arranged at the air outlet; the exhaust section is arranged adjacent to the outer vertical face shutter of the outer corridor type equipment platform.
Further, a diving type exhaust section is arranged at the air outlet; the diving type exhaust section is arranged adjacent to the outer vertical face shutter of the outer corridor type equipment platform; the deflector plates of the dive exhaust section are parallel or nearly parallel to the louver plates.
Further, an exhaust section is arranged at the air outlet; an opening structure matched with an exhaust section positioned in the middle or lower part of the exhaust cavity is arranged on the outer elevation shutter of the outer corridor type equipment platform; the exhaust section at the middle part or the lower part of the exhaust cavity is embedded into the shutter opening structure.
Further, an outer convex exhaust section is arranged at the air outlet; the outer vertical face shutter of the outer corridor type equipment platform is provided with an opening structure matched with an outer convex type exhaust section positioned in the middle or lower part of the exhaust cavity; the outer convex type exhaust section at the middle part or the lower part of the exhaust cavity is embedded into the shutter opening structure.
Compared with the prior art, the utility model has the following beneficial effects:
① External heat exchanger air path for constructing low-resistance penetrating through blind window on outer elevation
The vertical strip-shaped small-area air outlet is arranged on the panel of the air exhaust cavity of the external heat exchanger, the air outlet is arranged near the transverse midpoint of the vertical fan wall and is equal to the distance between the air outlet and each fan, and the flow section of air exhaust collected by each fan in the front air exhaust cavity of the air outlet is large, the path is short, and the resistance is small; after the air outlet, the exhaust air flow enters the vertical strip-shaped diving type exhaust section, under the constraint and induction of a plurality of diving type flow guide plates arranged in the vertical strip-shaped diving type exhaust section, the exhaust air flow line and the outer elevation louver window sheet are in parallel or nearly parallel states, and the exhaust air flow penetrates through the louver window sheet group at low resistance and is exhausted to the outside environment atmosphere at high speed, so that the long-range diffusion dilution is realized.
According to the utility model, the outer vertical surface of the equipment platform is taken as a reference surface for measurement and calculation, the area of the air outlet of the external heat exchanger of the host equipment is very small and is obviously smaller than the area (less than 1/3) of the air inlet area of the outer vertical surface, the air inlet area is large, the air inlet speed is low, and the air inlet resistance is close to zero; the exhaust speed is more than 3 times of the average air inlet speed, the exhaust dynamic pressure head on the outer elevation is more than 9 times of the air inlet dynamic pressure head, the exhaust air flow penetrates through the outer elevation shutter to penetrate into the atmosphere, the range is far, and the diffusion dilution effect is good; the utility model constructs the whole-course low-resistance air path of the outer heat exchanger assembly for overcoming the backflow short circuit of the exhaust air flow, the thermal performance of host equipment on the equipment platform is not reduced compared with that of laboratory data, and the task of taking the air conditioner and the air energy water heater as heat conveyers is completed with high quality and high efficiency.
② Constructing an outer heat exchanger assembly structure and improving the energy density of the body
In the chain type flow of medium-speed air inlet of air flow of an external heat exchanger, dispersion and deceleration of fin planing cutters, heat exchange on huge fin heat exchange areas on a total huge ventilation surface, collection and acceleration, fan boosting and high-speed discharge of a diving type air exhaust section, the utility model takes a fan as a power source, takes a huge amount of continuously arranged horizontal section V-shaped fin tube heat exchanger assembly fin planing cutters as cores, completes the speed reduction and air distribution of fin gaps, is efficient and smooth, builds an air path structure of efficient heat exchange inside air conditioner and water heater host equipment, and improves the energy density of the external heat exchanger assembly and the host equipment;
According to the vertical arrangement of the fans, the air suction inlet straight-face external heat exchanger reduces the upward turning local resistance of the air flow before the suction inlet of the traditional air-out multi-split air-conditioner fan, combines the step planing of the fin planing tool and the throttling function of the fin gaps, and improves the ventilation and heat exchange uniformity of the external heat exchanger.
The utility model breaks through the non-uniformity problem of vertical ventilation heat exchange of the traditional multi-split external heat exchanger, and the height of the external heat exchanger can break through the traditional design of about 1200mm of the multi-split external heat exchanger, so that the height of the external heat exchanger is increased to more than 2000mm, and the body energy density of the main machine equipment of the air-conditioning water heater is further increased.
③ Reducing the number of devices, simplifying the spatial structure relationship and reducing the occupied area
The utility model combines the air energy water heater main machine of the air conditioner main machine into a whole, thereby reducing the number of devices on the device platform and the installation engineering quantity; in addition, the installation of the air-conditioning water heater host equipment on the equipment platform is very convenient and quick, and the host is moved and placed to the outer heat exchanger diving type exhaust section which is close to the outer elevation shutter; the air conditioner main unit is close to the shutter without contacting, hard connection or soft connection is not needed between the air exhaust section and the shutter, the difficulty and the engineering quantity of the installation and construction of the air conditioner main unit are reduced, and the amplification and diffusion of vibration noise of the air conditioner main unit in the shutter are also reduced in a hard connection mode.
The utility model combines the air energy water heater host of the air conditioner host into a whole, greatly simplifies the equipment platform and the equipment relationship and the space structure relationship on the outer vertical surface of the equipment platform, comprises the interrelationship of a power circuit, a signal circuit, a refrigerant pipeline, a condensate water waterway and an outer heat exchanger air path of the air energy water heater host of the air conditioner host and the space structure relationship between the air energy water heater host and the equipment platform and the outer vertical surface of the equipment platform, and therefore, the equipment platform is simple and the operation and the maintenance of the equipment are more convenient.
The utility model combines the air energy water heater main machine of the air conditioner main machine into a whole, removes the special air supply and exhaust channel of the external heat exchanger of the air energy water heater, and reduces the occupied area of the equipment platform.
④ Perfect unification of outer elevation decoration and excellent thermal performance of air conditioner host machine is realized
Because of modernization and fashion of the building, because of pursuit of building designers and owners to the visual effect of the outer facade of the building, because the whole society is loving for 'building is solidified music', and the function of the shutter for shielding wind, rain, frost and snow to prevent the erosion of equipment platforms and air conditioner main units, the air conditioner main unit installation method for hiding the air conditioner main units on the equipment platforms by adopting the shutter is comprehensively popularized and solidified, and the problems that the exhaust of the air channel of the external heat exchanger of the classical air conditioner main unit for 'backward and forward exhaust' of the air environment outside the building is inhibited by the shutter, the static pressure of the exhaust air is increased, the air quantity is reduced, and the heat exchange performance of the external heat exchanger is seriously attenuated are unavoidable;
The air exhaust cavity diving type air outlet of the host equipment is vertically and centrally arranged on the outer surface of the host equipment body, and centrally arranged on the middle lower part of the outer vertical surface of the equipment platform; when the host equipment on the equipment platform operates, the outer vertical face shutters corresponding to the two sides and the upper part of the host equipment form an air inlet area, the shutters corresponding to the small-area central vertical strip-shaped air outlet area on the air exhaust cavity panel of the host equipment form an air exhaust area, and the air inlet area and the air exhaust area are mutually separated to block the backflow short circuit of air exhaust.
The air exhaust cavity dive type air outlet is matched with the shutter window sheet group on the outer vertical surface of the equipment platform, and the outer heat exchanger is smooth in air exhaust; the outer elevation of the equipment platform is used as a reference surface for measurement and calculation, the area of an air outlet of the outer heat exchanger is very small and is remarkably smaller than the area (less than 1/3) of an air inlet area of the outer elevation, the air exhaust speed is more than 3 times of the air inlet speed, the air exhaust dynamic pressure head on the outer elevation is more than 9 times of the air inlet dynamic pressure head, the air exhaust flow penetrates through the shutter of the outer elevation to penetrate into the atmosphere, the air range of the environment is far, the diffusion dilution effect is good, the thermal performance of host equipment on the equipment platform is not reduced compared with that of laboratory data, and the task of being used as a heat carrier is completed with high quality and high efficiency.
The utility model not only eliminates the obstruction of the shutter to the exhaust of the external heat exchanger, effectively penetrates through the air path of the external heat exchanger and ensures the thermal performance of the host equipment, but also maintains the decoration of the outer facade of the shutter, thereby realizing the perfect unification of the decoration of the outer facade of the equipment platform, the visual effect of the outer facade of the building and the excellent thermal performance of the host equipment.
Drawings
FIG. 1 is a schematic diagram of a prior art air energy water heater main unit and water tank;
FIG. 2 is a top view of an external heat exchanger air path of a rear-inlet front-outlet type central air conditioner host machine of the air path, wherein the air flow rate is reduced due to the fact that the equipment platform louver blocks the air outlet static pressure from rising, and part of air outlet flows back to an air inlet;
FIG. 3 is a three-dimensional cross-sectional view of a host device incorporating a dual duct air conditioner and air energy water heater of embodiment 1;
FIG. 4 is a front view of a host device incorporating a dual duct air conditioner and air energy water heater of embodiment 1;
FIG. 5 is a top view of a dual duct air conditioner and air energy water heater integrated host device of embodiment 1;
FIG. 6 is a schematic view of a three-dimensional structure of a horizontal cross-section V-shaped finned tube heat exchanger assembly;
FIG. 7 is a horizontal cross-sectional view of a "fin planer" at the fin gap entrance to intercept the incoming airflow, stepped planing to reflect the incoming airflow into the fin gap to complete heat exchange with the fins, and then to discharge the fin gap;
FIG. 8 is a top view of the operational airflow of the host device with the dual duct air conditioner and air energy water heater of embodiment 1;
FIG. 9 is a longitudinal vertical cross-sectional view of the operational airflow of the host device with the dual duct air conditioner and air energy water heater of embodiment 1;
FIG. 10 is a schematic diagram of a system of a host device with a dual duct air conditioner and air energy water heater of embodiment 1;
FIG. 11 is a diagram showing the airflow pattern of a dual duct air conditioner and air energy water heater integrated host device of embodiment 1 operating on the exterior elevation of the device platform;
FIG. 12 is a front view of a host device incorporating a dual duct air conditioner and an air energy water heater of embodiment 2;
FIG. 13 is a longitudinal vertical cross-sectional view of a host apparatus in which a dual duct air conditioner and an air-energy water heater of embodiment 2 are integrated;
Fig. 14 is a vertical sectional view of the air conditioner host with the air outlet at the lower part of the panel of the air exhaust cavity in embodiment 3;
Fig. 15 is a schematic diagram of an air conditioning system with an intermediate heat exchanger production air conditioning water input indoor unit of embodiment 4;
FIG. 16 is a front view of the air conditioner mainframe with a horizontal stripe-shaped male air discharge section of example 6;
FIG. 17 is a vertical sectional view of the air conditioner host of example 6 with the horizontal strip-like male air exhaust section embedded in the open structure of the equipment platform shutter;
FIG. 18 is a top plan view of a fan wall pre-header assembly of a zigzag-type finned tube heat exchanger assembly of embodiment 5;
FIG. 19 is a top plan view of the operational airflow of a fan wall pre-host device of the zigzag-type finned tube heat exchanger assembly of example 5;
FIG. 20 is a top plan view of a side-drift host device employing a front fan wall exhaust chamber of a rear finned tube heat exchanger assembly for exhaust air flow;
FIG. 21 is a top plan view of the front fan wall side exhaust airflow side drift of the host device;
FIG. 22 is a schematic diagram showing the distribution of the air inlet surface and the air outlet surface on the outer vertical surface of the equipment platform when the front-mounted fan wall side air exhaust airflow side drift to the host equipment operates in summer;
FIG. 23 is a schematic view of building vertical airflow collection and upward movement during summer operation of a device platform mounted side exhaust host device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present application. It will be apparent that the described embodiments are some, but not all, embodiments of the application. All other embodiments, based on the described embodiments, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the application.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
In the description of the present utility model, it should be understood that the terms "transverse," "longitudinal," "length," "upper," "lower," "left," "right," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Definition: the direction perpendicular to the outer vertical face of the outer corridor type equipment platform is set to be longitudinal, and the direction parallel to the outer vertical face of the outer corridor type equipment platform is set to be transverse.
Example 1
As shown in fig. 3 to 5, a host device for fusing a dual duct air conditioner and an air energy water heater,
Comprises a shell 1,2 groups of refrigerant circulation systems arranged in the shell and an exhaust cavity 3; the refrigerant circulation system includes the outer heat exchanger 2 and the compressor 41;
Each group of refrigerant circulation systems has an independent outer heat exchanger negative pressure chamber 22, and the outer heat exchanger negative pressure chamber 22 is composed of the outer heat exchanger 2, a part of the casing, and the back plate 21.
The negative pressure cavities of the 2 external heat exchangers are arranged up and down, namely the external heat exchangers are arranged up and down.
The outer heat exchanger 2 and the outer heat exchanger negative pressure cavity 22 of the air conditioner are positioned at the upper part; the outer heat exchanger 2 and the outer heat exchanger negative pressure cavity 22 of the air energy water heater are positioned at the lower part.
The back plate 21 is provided with air outlets 23 of the negative pressure cavities 22 of the 6 external heat exchangers, and the air outlets 23 are provided with fans 24 to form a fan wall. The fan 24 is positioned in the exhaust cavity 3, and the fan 24 is a backward inclined outer rotor centrifugal fan.
Each outer heat exchanger negative pressure cavity corresponds to 1 exhaust cavity 3, namely 2 exhaust cavities 3 are arranged up and down.
Each exhaust chamber 3 corresponds to 1 air outlet 31.
The negative pressure cavity 22 of the external heat exchanger of the air conditioner is provided with 4 air outlets 23; the negative pressure cavity 22 of the outer heat exchanger of the air energy water heater is provided with 2 air outlets 23.
The air inlet, the outer heat exchanger, the negative pressure cavity, the fan, the exhaust cavity and the air outlet of the host equipment form an air inlet and outlet path with the progressive layout of the rear outer heat exchanger and the front fan and the exhaust cavity.
The sides of the outer heat exchanger negative pressure chamber 22 and the exhaust chamber 3 are provided with a compressor chamber 4 for placing a fluorine circuit assembly including a compressor 41, a gas-liquid separator 42, a four-way valve, an expansion valve, and an electric tank.
The area of the air outlet 31 of the air exhaust cavity is 15-60% of the area of the air inlet surface of the negative pressure cavity 22 of the external heat exchanger.
The air outlet 31 of the air exhaust cavity is rectangular and is positioned in the middle of the air exhaust cavity panel 32 opposite to the fan 24.
The air outlets 31 of the air exhaust cavity are all arranged on an air exhaust cavity panel 32 of the host equipment, are arranged vertically in the middle, adjacent and independent mode and are vertical strip-shaped air outlets 31; the air exhaust cavity panel 32 of the host equipment is combined with the outer side 31 of the vertical strip-shaped air outlet and then is connected with the combined vertical strip-shaped diving type air exhaust section 33, so as to be matched with the shutter structure of the outer elevation of the equipment platform.
The air exhaust cavity panel 32 of the host device of this embodiment is provided with a combined vertical strip air outlet 31, and the combined vertical strip dive type air exhaust section 33 which is matched with the shutter structure of the outer vertical face of the device platform can be connected by riveting or flange connection.
A diving type exhaust section 33 is arranged at the air outlet 31; a plurality of deflector plates 34 are arranged in the diving type exhaust section 33. The deflector sheets 34 of the dive exhaust section 33 are parallel or nearly parallel to the louvers of the equipment platform.
The deflector sheet 34 is used for restricting and inducing the direction of the exhaust air flow and is abutted against the outer vertical surface shutter.
The small-area diving type air exhaust section, which is matched with the equipment platform outer elevation shutter, on the air exhaust cavity panel of the air conditioner main unit is of a vertical strip-shaped rectangular structure, and is vertically unfolded at the middle part of the air exhaust cavity panel;
When the air conditioner main unit of the embodiment operates, the air exhaust air flow sent into the air exhaust cavity is boosted by the centrifugal fan, is ejected out from the small-area air outlet at a high speed (about 8 m/s), enters the diving type air exhaust section 33, under the constraint and induction of the plurality of flow guide plates 34 arranged in the diving type air exhaust section 33, the air exhaust air flow rays and the louver window are in parallel or nearly parallel states, the interception area of the louver window group to the air exhaust air flow is minimum, the interception resistance is minimum, the air exhaust air flow passes through the louver window group of the outer vertical face of the equipment platform and is discharged to the outside environment atmosphere at a high speed, and the long-range diffusion dilution is performed.
As shown in fig. 6 to 7, the external heat exchanger 2 of this example is a horizontal-section V-shaped fin tube heat exchanger assembly as a specific embodiment. The horizontal section V-shaped finned tube heat exchanger assembly consists of 4 flat plate type finned tube heat exchangers 37; or 2 fin tube heat exchangers 40 with V-shaped cross sections perpendicular to the long sides of the fins are arranged continuously. The V-type fin tube heat exchanger 40 is composed of 2 flat plate type fin tube heat exchangers 37.
As shown in fig. 7, the flat plate type fin tube heat exchanger includes a fin plate 110 and heat exchange tubes 115; a plurality of fin plates 110 parallel to each other and spaced apart from each other by a certain interval to form a fin group; passes through the heat exchange tubes 115 in a direction perpendicular to the plane of the fin plate 110.
The heat exchange tube 115 connects the lotus header gas collection tube 133 and the fluorine line 134.
The lotus header gas collectors 133 at the vertices of each V-shape are arranged in one-to-one correspondence with the V-shape finned tube heat exchangers 40, and one set of lotus header gas collectors 133 serves 2 flat plate-type finned tube heat exchangers 37 constituting the V-shape.
The section of the horizontal section V-shaped finned tube heat exchanger assembly perpendicular to the long sides of the fins is a broken line, and more specifically, is a W shape;
the fin long sides of the flat plate-type fin tube heat exchanger 37 are disposed in the vertical direction or in the nearly vertical direction.
The vertex angle alpha of the V-shaped fin tube heat exchanger is 15-110 degrees.
As an alternative embodiment, the V-fin tube heat exchanger has a top angle α of 30 ° to 90 °.
As an alternative embodiment, the V-fin tube heat exchanger has a top angle α of 30 ° to 60 °.
As shown in fig. 7, one side of the section of the horizontal section V-shaped finned tube heat exchanger assembly vertical to the long sides of the fins is a heat exchanger air inlet surface, and the other side is a heat exchanger air outlet surface; the air outlet surface belongs to the area of the negative pressure cavity 22 of the external heat exchanger.
The incident surface of the air inlet flow is each flat plate type finned tube heat exchanger in the horizontal section V-shaped finned tube heat exchanger assembly, and the intersection angle between the air inlet flow and the tip of each fin plate 110 on each flat plate type finned tube heat exchanger 37 is an obtuse angle beta; the obtuse angle beta is 97.5-145 degrees; the incoming air stream impinges the tips of each fin plate 110 at an obtuse angle beta and is reflected by the fin tips into the fin gap to the outer heat exchanger negative pressure chamber 22.
The flow rate of the air flow entering each fin gap d is equal to the air inlet flow intercepted by the vertical distance delta between the tips of the front fin plate and the rear fin plate of the flat plate type finned tube heat exchanger on the air inlet section;
Delta = d.sin alpha/2, where alpha is the apex angle of the V-type finned tube heat exchanger;
The vertical distance delta value of the tips of the front fin plate and the rear fin plate of the flat plate type fin tube heat exchanger on the air inlet section is 0.13 d-0.7 d.
As a specific embodiment, the air flow speed of the fin gap is 1/3 of the air inlet speed, and the incidence obtuse angle beta corresponding to the vertex angle alpha of the V-shaped fin tube heat exchanger is 39 degrees and 109.5 degrees.
As shown in fig. 8 and 9, the air inlet 11, the outer heat exchanger 2, the outer heat exchanger negative pressure chamber 22, the blower 24, the air exhaust chamber 3 and the air outlet 31 of the host device of the present embodiment form an air inlet and outlet path of a progressive layout in which the outer heat exchanger is arranged at the rear and the blower and the air exhaust chamber are arranged at the front.
The embodiment of the host equipment integrating the double-air-duct air conditioner and the air energy water heater creatively reconstructs the outer heat exchanger structure, the outer heat exchanger air path structure and the air conditioner host structure of the household air conditioner host, and creates conditions for the integration of the air conditioner host and the equipment platform.
① Innovative structure design of air conditioner main unit
Compared with a classical home air conditioner host, the host device of the embodiment has the following core characteristics: the refrigerant circulation system with 2 groups of the refrigerant circulation systems arranged in the shell adopts a horizontal section V-shaped finned tube heat exchanger assembly with an oversized heat exchange area, the horizontal section V-shaped finned tube heat exchanger assembly is arranged at the rear part in the whole structure, a fan wall, an exhaust cavity and an air outlet are arranged at the front part, and a small-area air outlet is arranged at a front exhaust cavity panel 32.
6-7, The horizontal section V-shaped finned tube heat exchanger assembly of the embodiment comprises a W-shaped structure consisting of 4 flat plate type finned tube heat exchangers; or a W-shaped structure is formed by a V-shaped finned tube heat exchanger formed by bending 2 flat plate type finned tube heat exchangers; or a W-shaped structure is formed by a flat plate type finned tube heat exchanger and a V-shaped finned tube heat exchanger formed by bending the flat plate type finned tube heat exchanger; the section of the fin tube external heat exchanger perpendicular to the long sides of the fins is a folded line type.
In the embodiment, at least 1V-shaped fin tube heat exchanger assembly with horizontal section is respectively arranged in the limited space of the host equipment and parallel to the direction of the air inlet surface of the air conditioner host. The air inlet surface of the V-shaped finned tube heat exchanger with the horizontal section is unfolded to obtain a large-area ventilating surface of the outer heat exchanger, and the large-area ventilating surface of the outer heat exchanger is unfolded for the second time to obtain a large-area fin heat transfer surface, so that the total fin heat transfer area S of the outer heat exchanger is effectively enlarged, the heat transfer temperature difference delta t of the outer heat exchanger body is reduced, the evaporating pressure is increased, the condensing pressure is reduced, and the refrigerating capacity Q and the energy efficiency ratio COP of a refrigerating air conditioning system are improved.
As shown in fig. 4-5, the present embodiment sets progressive layouts of the air inlet, the outer heat exchanger assembly, the fan wall, the exhaust chamber, and the air outlet of the exhaust chamber of the outer heat exchanger of the refrigerant circulation system of 2 groups of air conditioner hosts and water heater hosts, so as to form 2 independent outer heat exchanger air paths.
In this embodiment, 2 outer heat exchanger negative pressure chambers 22 are disposed up and down, each outer heat exchanger negative pressure chamber 22 is formed by combining a bottom plate (i.e. the bottom plate of the housing 1), a side plate 25, a back plate 21, an outer heat exchanger 2 and a top plate (i.e. the top plate of the housing 1), wherein the bottom plate of the upper outer heat exchanger negative pressure chamber 22 and the top plate of the lower outer heat exchanger negative pressure chamber 22 are combined into one, and share the same partition plate.
The back plate 21 is arranged opposite to the horizontal continuous V-shaped finned tube heat exchanger assembly with a horizontal section, an outer heat exchanger negative pressure cavity air outlet 23 is arranged on the back plate 21, and the outer heat exchanger negative pressure cavity air outlet 23 corresponds to an air suction inlet of the backward inclined outer rotor centrifugal fan; the air suction port of the backward inclined outer rotor centrifugal fan faces to the outer heat exchanger 2.
The horizontal section V-shaped finned tube heat exchanger assembly which is transversely arranged is an air inlet of the negative pressure cavity 22 of the outer heat exchanger; an exhaust cavity 3 of the centrifugal fan is arranged on the outer side of each back plate 21, and the area of an air outlet 31 of the exhaust cavity 3 is 15-60% of the area of an air inlet surface of the negative pressure cavity 22 of the external heat exchanger.
In this embodiment, on the side surfaces of the air inlet 11, the external heat exchanger 2, the fan wall, the air exhaust cavity 3 and the air outlet 31, the compressor cavity 4 is arranged, and 2 groups of circuit components such as a compressor 41, a four-way valve, an expansion valve and the like of the refrigerant circulation system arranged in the casing are arranged.
② Innovative design of inlet and outlet wind field of external heat exchanger of host equipment
The host equipment integrating the double-air-duct air conditioner and the air energy water heater comprises an air inlet 11, an outer heat exchanger negative pressure cavity 22, an air exhaust cavity 3 and an air outlet 31 of the air exhaust cavity, and forms an air inlet and outlet path of a progressive layout of a rear outer heat exchanger and a front fan and the air exhaust cavity, and an outer heat exchanger air inlet and outlet field with short construction path, low resistance, large air quantity and high heat exchange strength is constructed.
As shown in fig. 8 and 9, when each external heat exchanger in this embodiment performs ventilation and heat exchange, the centrifugal fan is used as power from the air inlet 11 to the air outlet 31, the heat exchange air flow undergoes two static pressure-dynamic pressure conversions, the first static pressure-dynamic pressure conversion realizes high-speed air suction at the air inlet of the centrifugal fan, and the second static pressure-dynamic pressure conversion realizes high-speed air discharge at the air outlet 31 of the air exhaust cavity; in addition, the air flow lines entering and exiting the fin gaps of the heat exchanger are fold line type air flow lines turning twice and are positioned in a plane perpendicular to the long sides of the fins, but not in a plane parallel to the fins; these two points are the most essential movement characteristics of the total ventilation and heat exchange process of the two external heat exchangers in the embodiment.
In the embodiment, each external heat exchanger establishes an air inlet and outlet field through the operation of a plurality of centrifugal fans on the corresponding fan wall: 6 centrifugal fans on the fan wall pump out the air in the negative pressure cavity of the external heat exchanger to generate negative pressure in the cavity, and the ambient air under the static pressure (gauge pressure) of 0Pa is pulled to enter the main machine equipment from the air inlet at a medium speed (about 4 m/s), the main body air inlet air flow is shaved in a ladder manner by a plurality of fin shavers to realize the dispersion and the deceleration of the air inlet air flow, the air flows at a low speed (below 2 m/s) through the fin gaps of the external heat exchanger to finish heat exchange, then enters the negative pressure cavity of the external heat exchanger, is gathered and accelerated, and flows into the centrifugal fan air inlet with the lowest full path pressure (the gauge pressure is a negative value) at a high speed to finish the first air static pressure-dynamic pressure conversion; the air flow flowing into the air suction port of the centrifugal fan at high speed is boosted by the fan and sent into an air exhaust cavity with positive pressure relative to the atmospheric environment, and is injected into the atmospheric environment for diffusion dilution from a rectangular small-area air outlet on the outer surface of the air exhaust cavity at high speed (about 8 m/s) under the positive pressure of the air exhaust cavity; the heat exchange airflow in the embodiment takes the centrifugal fan as power from the air inlet to the air outlet of the main machine, and is subjected to twice static pressure-dynamic pressure conversion, so that the high-speed suction of the centrifugal fan and the high-speed discharge of the air exhaust cavity are realized.
When the air conditioner main unit of the embodiment operates, the microscopic process that the air flow enters and exits the fin gaps and flows at a low speed in the fin gaps is an important link of the external heat exchanger entering and exiting the wind field.
At the section of the air inlet E-E, medium-speed air flow of about 4m/s flowing in from the outer vertical surface of the equipment platform is pushed to the section F-F of the fin gap inlet in a uniform laminar flow mode, the line of the air inlet air flow at the section F-F and the fins at the back side of the gap form an obtuse angle relation, and the fins at the back side of the gap are used as a plane cutter to plane a piece of air flow from the air inlet main body air flow and plug into the fin gap; the main body air inlet airflow which is "dug" is intercepted by the blade tip of the "fin planer" at the F-F position, and the main body air inlet airflow impinges on the blade tip of the "planer" of the fin at the back side of the gap at an obtuse angle, and is diffused and decelerated in the fin gap after being reflected by the fin at the front side of the gap; the air flow which is planed by the fin planing tool and is subjected to collision diffusion deceleration is pulled by negative pressure of the negative pressure cavity at about 1.5m/s, and flows out of the fin channel against the resistance of the fin gap channel; the low-speed air flow reaching the G-G section of the fin gap outlet is accelerated again to a medium-speed air flow of about 4m/s under the negative pressure pulling of the negative pressure cavity, and is collected and discharged at the H-H section.
When the air conditioner host machine of the embodiment operates, heat exchange is carried out between the air flow between the refrigerant in the condenser pipeline of the evaporator and the clearance air flow between the fins outside the pipeline, so that energy coupling is realized.
In this embodiment, on one side of the refrigerant, the refrigerant is driven to circulate by the compressor, and the refrigerant absorbs heat from the evaporator in the low-temperature air environment and releases heat from the condenser in the high-temperature air environment by high-efficiency phase change heat exchange of the refrigerant during circulation.
The present embodiment provides a compressor chamber 4 for housing circuit components including a compressor 41, a gas-liquid separator 42, a four-way valve 43, an expansion valve 45, and an electric box, and a power cable signal line electric box, on the side surfaces of the outer heat exchanger negative pressure chamber 22 and the exhaust chamber 3.
The host equipment of this embodiment, 2 segmentation finned tube heat exchanger assemblies, 2 segmentation outer heat exchanger negative pressure chamber 2, 2 segmentation fan walls, 2 segmentation exhaust chamber 3 and 2 segmentation vertical bar small-area's air outlet 31,2 segmentation small-area air outlet external dive formula exhaust section 33, all separate with intermediate baffle 38, link up respectively and form independent wind path, 2 the outer facade shutter window piece clearance of equipment platform is directly pointed to the section air outlet of airing exhaust, construct the route short, the resistance is low, the amount of wind is big, the outer heat exchanger assembly air current path structure that heat exchange intensity is high, serve air conditioner host computer outer heat exchanger assembly and air can the outer heat exchanger assembly of water heater respectively.
The embodiment realizes the structural innovation of large span for the air inlet flow path and the air outlet flow path of the external heat exchanger.
In this embodiment, the compressor 41 is used as power to drive the refrigerant to circulate in a closed circuit on the refrigerant side, and the refrigerant performs high-efficiency phase change heat exchange in the circulation process, so as to realize energy coupling in the heat exchange process of the air flow between the 2 external heat exchangers of the main body equipment and the fins.
In this embodiment, the compressor 41, the four-way valve, the expansion valve, the gas-liquid separator and other refrigerating circuit elements and power cable signal line and other circuit components of the 2 sets of refrigerant circulation systems of the air conditioner and the air energy water heater are arranged in the compressor cavity.
The host device of the embodiment drives the refrigerant to circulate in a closed cycle by taking the compressor 41 as power on the refrigerant side, and the refrigerant exchanges heat in a phase change manner with high efficiency in the circulation process, so as to realize energy coupling in the heat exchange process of the air-conditioning water heater host fusion body 2 external heat exchanger assemblies and the fin gap air flow.
The components of the refrigerant circulation system, the outer heat exchanger 2, the refrigerant connecting pipe, the indoor unit heat exchanger and the like form an air conditioner refrigeration circulation loop and an air energy water heater refrigeration circulation loop according to the sequence of the compressor 41, the four-way valve, the condenser, the expansion valve, the evaporator, the four-way valve, the gas-liquid separator and the compressor 41; the compressor 41 is used as refrigeration cycle loop power, a high-low pressure state of a refrigerant is respectively established in a condenser evaporator pipeline, the refrigerant is driven to circularly flow and repeatedly change phase in the refrigeration cycle loop to realize heat transfer, namely, an air conditioner refrigerating system absorbs heat of low-temperature ambient air flowing through gaps of fins through evaporation and heat absorption of refrigerant liquid in an inner pipeline of the evaporator and absorption of heat absorption areas of giant fins connected with the copper pipe in an ascending manner, and heat is released from high-temperature ambient air flowing between the fins through condensation and heat release of high-temperature high-pressure refrigerant gas in the condenser pipeline and heat release of the high-temperature ambient air flowing through heat release areas of the giant fins connected with the copper pipe in an ascending manner, so that heat is transferred from the low-temperature environment of the air conditioner evaporator to the high-temperature environment of the condenser; the air energy water heater refrigerant circulation system absorbs heat of air in the atmosphere flowing through fin gaps through evaporation heat absorption of refrigerant liquid in an inner pipeline of an evaporator and then through a huge fin heat absorption area of a copper pipe, and heat is transferred from the atmosphere environment where the water heater evaporator is located to the high-temperature hot water environment where the condenser is located through condensation heat release of high-temperature high-pressure refrigerant gas in a condenser pipeline of the water tank.
The host device of this embodiment may operate independently of each other, that is, 2 sets of refrigerant circulation systems may operate synchronously or asynchronously.
Example 2
As shown in fig. 12-13, the physical structures of the rear external heat exchanger, the front fan and exhaust cavity and the side compressor cavity are adopted in the embodiment and the embodiment 1; the small-area diving type exhaust section which is matched with the blind window of the outer vertical face of the equipment platform is arranged at the central position on the exhaust cavity panel so as to restrict and induce the direction of exhaust air flow. The present embodiment is different from embodiment 1 in that the air outlet 31 of the air discharge chamber 3 is located in the middle of the air discharge chamber panel 32. The air outlet 31 is in the shape of a horizontal strip.
This embodiment has all the advantages of embodiment 1 and because the dive exhaust section air outlet faces only a small number of the elongated gaps of the louver blades, the exhaust air flow resistance is smaller; the air outlet 31 of the horizontal strip rectangle is arranged in the horizontal middle of the air exhaust cavity panel 32, and the position is higher, so that the possible spatial interference between the lower edge of the air outlet 31 and the water retaining table of the equipment platform is avoided.
Example 3
As shown in fig. 14, the physical structures of the rear external heat exchanger, the front fan and exhaust cavity and the side compressor cavity are adopted in the present embodiment and embodiment 1; the present embodiment is different from embodiment 1 in that the air outlet 31 of the air discharge chamber 3 is located at the lower portion of the air discharge chamber panel 32. The air outlet 31 is one of a vertical strip rectangle and a horizontal strip rectangle.
This embodiment has all the advantages of embodiment 1 and the air outlet 31 is provided in the lower part of the air discharge chamber panel 32, i.e. in a position close to or directly in connection with the floor of the air discharge chamber 3, i.e. the floor of the housing 1. The position of the air outlet 31 in this embodiment is favorable for discharging sundries, water and the like in the air exhaust cavity, and keeping the air exhaust cavity clean.
Example 4
As shown in fig. 15, the air conditioner main unit of the present embodiment is the same as embodiments 1 to 3, and adopts a physical structure that an external heat exchanger is arranged at the rear, a fan and an exhaust cavity are arranged at the front, and a compressor cavity is arranged at the side;
The embodiment is different in that an intermediate heat exchanger 6 is arranged in a compressor cavity 4 of an air conditioner host, and two paths of heat exchange medium channels of the intermediate heat exchanger 5 are respectively a refrigerant channel and an air conditioner water channel;
The refrigerant channel is connected with a fluorine path of the air conditioner host; the air conditioner water channel is connected with an air conditioner indoor heat exchanger.
The air conditioner main unit of the embodiment produces cold water (hot water) through the intermediate heat exchanger 6 and transmits the cold water (hot water) to the air conditioner indoor unit for cooling and dehumidifying (heating) the indoor air; the intermediate heat exchanger 6 may be a plate heat exchanger, a shell and tube heat exchanger, a double tube heat exchanger or a combination thereof.
The present embodiment has all the advantages of embodiments 1-3, and the air conditioner host increases the output of air-conditioning water from the intermediate heat exchanger 6 to the indoor units in the building to block the refrigerant on the corridor type equipment platform, thereby avoiding the risk of leakage and accumulation of the refrigerant in the building, and creating conditions for the air conditioner host to adopt the environment-friendly refrigerant with zero global warming effect and zero ozone layer destruction effect, such as R290, but with combustibility.
Example 5
As shown in FIGS. 18-19, the principle and the structure of the embodiment are the same as those of the embodiment 1, namely, the air inlet, the finned tube heat exchanger assembly, the negative pressure cavity, the fan wall and the exhaust cavity are arranged in a presenting way, and the compressor cavity is arranged at the side.
The present embodiment is different in that: the outer heat exchanger 2 is a zigzag fold line type finned tube heat exchanger assembly formed by combining three flat plate type finned tube heat exchangers 37 and a partition plate 39; wherein, the two flat plate type finned tube heat exchangers 37 form a V-shaped finned tube heat exchanger 40, and the two flat plate type finned tube heat exchanger end plates can be connected to form a V-shaped finned tube heat exchanger, or a plurality of single-row tube flat plate type finned tube heat exchangers are bent into a V shape and then assembled to form a composite V-shaped finned tube heat exchanger; the other flat plate type finned tube heat exchanger 37 is independently arranged outside the V-shaped finned tube heat exchanger, a partition plate 39 is arranged between the other flat plate type finned tube heat exchanger and the V-shaped finned tube heat exchanger, an exhaust cavity of the finned tube heat exchanger is arranged between the partition plate 39 and the finned tube heat exchanger, and the exhaust cavity is communicated with the negative pressure cavity of the external heat exchanger.
The zigzag fold line type finned tube heat exchanger assembly is zigzag in cross section perpendicular to the long sides of the fins.
The finned tube copper tubes of the serrated fold line type finned tube heat exchanger assembly are parallel to the serrated edges; the fin plate group of the fin tube heat exchanger is orthogonally sleeved on the copper tube.
The zigzag fold line type finned tube heat exchanger assembly, the upper bottom plate, the lower bottom plate, the left side plate and the right side plate are combined into an outer heat exchanger negative pressure cavity.
The finned tube copper tubes are parallel or basically parallel to the upper bottom plate and the lower bottom plate and are in oblique relation with the left side plate and the right side plate.
The zigzag fold line type finned tube heat exchanger assembly divides a heat exchange air duct into a front cavity and a rear cavity, the front cavity is an air inlet cavity, the rear cavity is communicated with an air suction port of the fan set, and the rear cavity is an outer heat exchanger negative pressure cavity 22;
The copper pipe of the fin tube and the side wall of the negative pressure cavity of the adjacent external heat exchanger form an obtuse angle.
In the embodiment, as the three-plate type finned tube heat exchanger assembly with the V+1 structure is adopted, compared with a single V-shaped finned tube heat exchanger, the heat exchange area is enlarged, and the requirement of an air conditioning system with larger refrigerating capacity is met.
Example 6
As shown in fig. 16-17, a host device platform is provided in which host devices are disposed in a vestibule-type device platform, and the air outlets 31 of the air discharge chambers 3 face the outer vertical surface of the vestibule-type device platform 5.
The air conditioner main unit of the embodiment is similar to the embodiment 1, and adopts a physical structure that an external heat exchanger is arranged at the rear, a fan and an exhaust cavity are arranged at the front and a compressor cavity is arranged at the side; the air conditioner main unit of the present embodiment is different from embodiment 4 in that,
The air outlet 31 is provided with a vertical strip-shaped rectangular outer convex air exhaust section 35 which is matched with the air outlet in shape; a plurality of deflector plates 34 are arranged in the convex exhaust section 35.
The outer vertical surface shutter of the outer corridor type equipment platform 5 is provided with an opening structure 36 matched with the outer convex type exhaust section 35 positioned in the middle or lower part of the exhaust cavity 3. The outer convex exhaust section 35 at the middle or lower part of the exhaust chamber 3 is embedded into the opening structure 36 of the louver 52. When the air conditioner main unit is in operation, the exhaust air of the air outlet 31 passes through the opening structure of the louver 52 to be directly discharged to the ambient atmosphere.
The present embodiment has all the advantages of embodiment 4, and since the frame of the outer convex air exhaust section 35 and the deflector sheet 34 embedded in the opening structure 36 of the shutter 52 are not hidden behind the shutter 52, but the outer environment is straight, the outer surface becomes a part of the outer vertical surface of the visible equipment platform, and the frame of the outer convex air exhaust section 35 and the deflector sheet 34 have decoration, so that the shutter of the outer vertical surface of the equipment platform has increased structural variation and color variation, and a better decorative visual effect is achieved; the outer convex air exhaust section 35 embedded in the shutter and the opening structure 36 of the shutter can be suspended in the opening structure 36 of the shutter or flexibly connected with the opening structure of the shutter without rigid connection, so as to avoid the transmission and amplification of the noise of the air conditioner host.
Example 7
As shown in fig. 20-22, in the main unit device for fusing the front fan wall lateral exhaust air flow and the lateral emission air-conditioning water heater, the compressor cavity is arranged outside the negative pressure cavity of the external heat exchanger, namely, the compressor cavity is laterally arranged, the vertical strip-shaped air outlet 31 is communicated with the lateral exhaust section 35, the lateral exhaust section 35 is internally provided with a lateral flow guide plate group, the flow guide plate 34 is vertically arranged and provided with an angle for guiding the exhaust air flow to deviate from the main unit of the air conditioner, namely, the flow guide plate group is directed at one end back to the compressor cavity at a small angle;
In the embodiment, a front-mounted fan wall lateral exhaust air flow lateral drifting air conditioner water heater is integrated with a host equipment platform, a shutter 52 is arranged on the outer vertical surface, and a vertical strip-shaped opening structure capable of freely accommodating a lateral exhaust section of the air conditioner host is reserved on the shutter 52 close to the side wall; when the host equipment is installed, the lateral exhaust section of the host equipment is embedded into a vertical strip-shaped opening structure 36 reserved in the shutter;
When the host equipment platform integrated with the front-mounted fan wall lateral exhaust airflow lateral drifting air-conditioning water heater operates, the positive pressure exhaust cavity of the host equipment discharges air after heat exchange into the lateral exhaust section at a high speed, the exhaust airflow lateral drifting air is seen from the horizontal direction under the constraint and induction of the flow guide plate sheet group in the lateral exhaust section, the exhaust airflow is separated from the space right in front of the equipment platform, the exhaust airflow is prevented from flowing back to the host equipment platform, and meanwhile, the exhaust airflow is prevented from being sucked by a lower adjacent equipment platform (winter) or an upper adjacent equipment platform (summer) after being discharged from the host equipment platform. Seen from the vertical direction, the air exhaust air flow of the host machine equipment of the equipment platforms of a plurality of layers of the building is emitted laterally at a small angle in the horizontal plane, then is gathered in the vertical direction of the outer space at the rear side of the compressor cavity, hot air flow moves upwards in summer, cold air flow moves downwards in winter, and is separated from the vertical space of the equipment platforms, and is diffused and diluted away from the equipment platforms.
When the external heat exchanger of the traditional high-rise building, especially the high-rise residential building, in winter (summer) is in ventilation operation to the environment atmosphere, as the external elevation of the equipment platform has the positive pressure high-speed external air exhaust of a small-area air exhaust area and the micro negative pressure low-speed suction of the environment air of a large-area air inlet area, the phenomenon that the external air exhaust is diffused and diluted in the atmosphere and the external elevation of the external air exhaust and reflux after partial dilution is carried out, and the problem of the performance degradation of host equipment is caused by the attachment of cold (hot) air of the external elevation of the equipment platform is solved:
In winter, cold air discharged by the external heat exchanger of each layer of equipment platform diffuses and dilutes in front of the outer facade of the external heat exchanger and partially flows back, the whole cold air discharged by the existing multi-layer equipment platform moves downwards and converges in a vertical direction, the cold air is connected end to end, beads are in a chain, the more the strings are, the outer facade of the equipment platform is covered, so that the host equipment of the lower layer of equipment platform sucks the cold air discharged by the host equipment of the upper layer of equipment platform, the evaporation temperature is reduced, the circulation quantity of the refrigerant is reduced, and the heating performance of the host equipment is deteriorated;
In summer, hot air discharged by the external heat exchanger of each layer of equipment platform diffuses and dilutes in front of the outer facade of the external heat exchanger and partially flows back, the whole hot air discharged by the existing multi-layer equipment platform moves upwards and converges in a vertical direction, the hot air is connected end to end, beads are connected in a chain, the more the strings are, the outer facade of the equipment platform is covered, so that the host equipment of the upper layer of equipment platform sucks the hot air discharged by the host equipment of the lower layer of equipment platform, the condensation temperature is raised, the supercooling degree of condensate is reduced, and the refrigerating performance of the host equipment is deteriorated;
In this embodiment, under the constraint and induction of the flow guide plate group in the lateral exhaust section, the air after heat exchange of the host equipment in each layer is blown to the outer space at the rear side of the compressor cavity at a high speed in a lateral direction, and the exhaust air flow is separated from the space right in front of the equipment platform, so that the exhaust air flow is stopped from flowing back to the local equipment platform, and the risk that the exhaust air flow is sucked by the lower adjacent equipment platform (winter) or by the upper adjacent equipment platform (summer) after being discharged from the local equipment platform is stopped.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (14)
1. The host equipment integrating the double-air-duct air conditioner and the air energy water heater is characterized by comprising a shell, 2 groups of refrigerant circulating systems arranged in the shell and an exhaust cavity; the refrigerant cycle system includes an external heat exchanger and a compressor; each group of refrigerant circulation systems is provided with an independent negative pressure cavity of the external heat exchanger, and the negative pressure cavity of the external heat exchanger consists of an external heat exchanger, a part of shell and a back plate; the back plate is provided with a plurality of air outlets of the negative pressure cavities of the external heat exchangers, the air outlets are provided with fans, and the air outlets of the air outlets are positioned on an air outlet cavity panel opposite to the fans; the air inlet, the outer heat exchanger, the negative pressure cavity, the fan, the exhaust cavity and the air outlet of the host equipment form an air inlet and outlet path with progressive layout of the rear-mounted outer heat exchanger and the front-mounted fan and exhaust cavity.
2. The host device for fusing a dual air duct air conditioner and an air energy water heater as claimed in claim 1, wherein the external heat exchanger is a horizontal section V-shaped finned tube heat exchanger assembly or a zigzag fold line-shaped finned tube heat exchanger assembly; at least 2 flat plate type finned tube heat exchangers of the horizontal section V-shaped finned tube heat exchanger assembly; or the V-shaped finned tube heat exchanger is formed by bending a flat plate type finned tube heat exchanger; or consists of a flat plate type finned tube heat exchanger and a V-shaped finned tube heat exchanger formed by bending the flat plate type finned tube heat exchanger; the cross section of the horizontal section V-shaped finned tube heat exchanger assembly perpendicular to the long sides of the fins is a folded line type.
3. The host device for combining a double-air-duct air conditioner and an air-energy water heater according to claim 2, wherein the zigzag folding-line type finned tube heat exchanger assembly is formed by combining a flat plate type finned tube heat exchanger, a V-shaped finned tube heat exchanger and a partition plate; the zigzag fold line type finned tube heat exchanger assembly is zigzag in cross section perpendicular to the long sides of the fins.
4. The dual duct air conditioner and air energy water heater integrated host device of claim 1, wherein 2 of said external heat exchanger negative pressure chambers are arranged up and down or side by side.
5. The dual duct air conditioner and air energy water heater integrated host device of claim 1, wherein the back plate is provided with at least 2 air outlets; a fan is arranged at each air outlet to form a fan wall; preferably, the fan adopts a centrifugal fan or an axial flow fan; further preferably, the centrifugal fan is a backward inclined outer rotor centrifugal fan.
6. The host device for combining a double-air-duct air conditioner and an air-energy water heater according to claim 1, wherein the air outlet area of the air exhaust cavity is 15-60% of the air inlet area of the negative pressure cavity of the external heat exchanger.
7. The integrated host device of the double-duct air conditioner and the air-energy water heater according to claim 6, wherein the air outlet of the air exhaust cavity is positioned at the middle or lower part of the panel of the air exhaust cavity; preferably, the air outlet comprises a horizontal strip-shaped or vertical strip-shaped air outlet which is arranged in the middle or lower part of the air exhaust cavity panel.
8. The integrated host device of claim 6, wherein the air outlet is provided with an air exhaust section.
9. The host device for combining a double-air-duct air conditioner and an air-energy water heater according to claim 8, wherein a plurality of deflector sheets are arranged in the exhaust section; the air guide plate sheet is parallel to or nearly parallel to the shutter sheets, or the air guide plate sheet is vertically arranged and provided with an angle for guiding the exhaust air flow to deviate from the air conditioner host.
10. The dual duct air conditioner and air energy water heater integrated host machine equipment according to claim 1, wherein the sides of the outer heat exchanger negative pressure chamber and the exhaust chamber are provided with a compressor chamber for placing a fluorine circuit assembly including a compressor, a gas-liquid separator, a four-way valve, an expansion valve and an electric tank.
11. The host device for combining the double-air-duct air conditioner and the air-energy water heater according to claim 1, wherein the host device is further provided with an intermediate heat exchanger, and two heat exchange medium channels of the intermediate heat exchanger are respectively a refrigerant channel and an air-conditioning water channel of an air-conditioning host machine; the refrigerant channel is connected with a fluorine path of the air conditioner host; the air conditioner water channel is connected with an air conditioner indoor heat exchanger.
12. A host device platform, wherein the host device of any one of claims 1 to 11 is disposed in a gallery type device platform, and an air outlet of the air exhaust chamber faces an outer vertical surface of the gallery type device platform.
13. The host device platform of claim 12, wherein an exhaust section is provided at the air outlet; the exhaust section is arranged adjacent to the outer vertical face shutter of the outer corridor type equipment platform.
14. The host device platform of claim 12, wherein an exhaust section is provided at the air outlet; an opening structure matched with an exhaust section positioned in the middle or lower part of the exhaust cavity is arranged on the outer elevation shutter of the outer corridor type equipment platform; the exhaust section at the middle part or the lower part of the exhaust cavity is embedded into the shutter opening structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322078013.8U CN220852420U (en) | 2023-08-03 | 2023-08-03 | Main unit equipment integrating double-air-duct air conditioner and air energy water heater and equipment platform thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322078013.8U CN220852420U (en) | 2023-08-03 | 2023-08-03 | Main unit equipment integrating double-air-duct air conditioner and air energy water heater and equipment platform thereof |
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| CN220852420U true CN220852420U (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322078013.8U Active CN220852420U (en) | 2023-08-03 | 2023-08-03 | Main unit equipment integrating double-air-duct air conditioner and air energy water heater and equipment platform thereof |
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| Country | Link |
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| CN (1) | CN220852420U (en) |
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2023
- 2023-08-03 CN CN202322078013.8U patent/CN220852420U/en active Active
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