CN113551314B - Horizontal condenser, outdoor unit and air conditioning system - Google Patents
Horizontal condenser, outdoor unit and air conditioning system Download PDFInfo
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- CN113551314B CN113551314B CN202110816633.XA CN202110816633A CN113551314B CN 113551314 B CN113551314 B CN 113551314B CN 202110816633 A CN202110816633 A CN 202110816633A CN 113551314 B CN113551314 B CN 113551314B
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/18—Heat exchangers specially adapted for separate outdoor units characterised by their shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
- F25B31/004—Lubrication oil recirculating arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a horizontal condenser, an outdoor unit and an air conditioning system, relates to the technical field of air conditioning, and solves the problems that heat exchange performance of two sides of a condensing tube is reduced and integral heat exchange of the condenser is attenuated due to asymmetric arrangement of C-shaped built-in oil in the prior art. The horizontal condenser comprises a shell, oil and a flow equalizing plate, wherein the oil and flow equalizing plate is arranged in the shell, the oil is located at one side of the shell and is eccentrically arranged, the flow equalizing plate is located at the other side of the shell, a liquid guide hole and air guide holes with at least two apertures are formed in the flow equalizing plate, the liquid guide holes are used for enabling condensate to flow out, and the air guide holes are used for enabling refrigerant gas to flow through and enabling the refrigerant gas flowing through the air guide holes to be uniform. The uneven air guide holes on the flow equalizing plate of the horizontal condenser can be used for homogenizing the refrigerant gas which enters the heat exchange tube area through the oil content, so that the uneven refrigerant gas is uniform after flowing through the flow equalizing plate, the refrigerant gas flowing through the condensing tube area is uniform, and the overall heat exchange efficiency of the heat exchanger is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a horizontal condenser, an outdoor unit and an air conditioning system.
Background
In a water-cooling central air conditioning system, particularly a screw machine system, because of a special working mechanism of a screw compressor, refrigerating oil needs to be introduced into the system, and the effects of cooling the compressor, lubricating a male rotor, a female rotor, a male rotor and the like are achieved. In the running process of the unit, the high-temperature high-pressure gaseous refrigerant mixed refrigerating oil enters an oil separation device from an exhaust port of the compressor to complete oil-gas separation, the refrigerating oil returns to the compressor, and the gaseous refrigerant enters a condenser to exchange heat.
The common oil device comprises an external vertical oil component and an internal oil component. The external vertical oil is generally in a thin high-rotation separation form, but the separation efficiency is greatly influenced by the internal flow field layout, oil drop distribution, structural parameters and other factors, and the external oil influences the overall pipeline layout and the aesthetic property of the unit, so that the problems are gradually reduced. The built-in oil is integrated in the horizontal condenser, so that the horizontal condenser has the advantages of providing enough oil-gas separation space, being convenient for oil return and the like, and is used by a plurality of air conditioner manufacturers.
The existing V-shaped symmetrical structure with built-in oil is mostly used, but with the development of miniaturization and compactification of the heat exchanger, the length and the diameter of the shell of the condenser are reduced, so that the built-in oil with the C-shaped structure is developed to ensure enough oil-gas separation space. The "C" type built-in oil separation facilitates separation of the frozen oil by gravity settling, which is presented as an asymmetric arrangement in the condenser housing. However, the applicant finds that the asymmetric arrangement of the C-shaped built-in oil component causes uneven distribution of the gaseous refrigerant after oil-gas separation in a heat exchange tube area, so that the surface of a condensation tube on one side is easy to generate a tube bundle effect due to large condensation amount, and the condensation heat exchange performance is reduced; the condensation capacity of the condensation pipe at the other side is insufficient, so that the heat exchange capacity of the condensation pipe cannot be fully exerted, the integral heat exchange of the condenser is attenuated, and the performance of the unit is influenced. Meanwhile, the heat exchange area accounting for about 3-10% of the condenser is the desuperheating area, and the use of the existing high-efficiency condenser tube in the part is easy to cause waste of heat exchange area and cost.
Therefore, improvements to the horizontal condenser of the prior art are urgently needed.
Disclosure of Invention
One of the purposes of the invention is to provide a horizontal condenser, an outdoor unit and an air conditioning system, which solve the technical problem that heat exchange performance of two sides of a condensing tube is reduced and integral heat exchange of the condenser is attenuated due to asymmetric arrangement of C-shaped built-in oil in the prior art. The technical effects that can be produced by the preferred technical scheme of the present invention are described in detail below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The horizontal condenser comprises a shell, oil content and a flow equalizing plate, wherein the oil content and the flow equalizing plate are arranged in the shell, the oil content is positioned on one side of the shell and is eccentrically arranged, the flow equalizing plate is positioned on the other side of the shell, the flow equalizing plate is provided with a liquid guide hole and air guide holes with at least two apertures, the liquid guide holes are used for enabling condensate to flow out, and the air guide holes are used for enabling refrigerant gas to flow through and enabling the refrigerant gas flowing through the air guide holes to be uniform.
According to a preferred embodiment, the flow equalizing plate is obliquely arranged in the distribution area in the shell and divides the distribution area into a first distribution area and a second distribution area, and two sides of the flow equalizing plate are respectively connected with the shell and the oil.
According to a preferred embodiment, the included angle between the flow equalizing plate and the horizontal plane is 2-15 degrees.
According to a preferred embodiment, the liquid guide hole is located at the lower end of the flow equalizing plate and located at one side of the flow equalizing plate, which is close to the shell, and the liquid guide hole is located at one side of the flow equalizing plate, which is close to the oil.
According to a preferred embodiment, the air vent comprises a first air vent and a second air vent, wherein the first air vent is located at a side of the flow equalizing plate close to the air vent, the second air vent is located at a side of the flow equalizing plate close to the oil component, and the aperture of the first air vent is smaller than the aperture of the second air vent.
According to a preferred embodiment, the liquid guide holes are single-row holes, and the aperture of the liquid guide holes is 6-12 mm; the first air holes and the second air holes are multiple rows of holes, the aperture of the first air holes is 1-4 mm, and the aperture of the second air holes is 3-8 mm.
According to a preferred embodiment, the liquid guiding holes have a hole spacing of 1.5 to 3 times the hole diameter; the hole spacing of the first air guide holes in the width and length directions of the flow equalizing plate is 1.5-3 times of the aperture of the first air guide holes; the hole spacing of the second air guide holes in the width and length directions of the flow equalizing plate is 1.5-3 times of the hole diameter of the second air guide holes.
According to a preferred embodiment, the width ratio of the flow equalizing plate occupied by the liquid guiding holes, the first air guiding holes and the second air guiding holes is as follows: and L1:L2:L3=1:3:15-1:10:15, wherein L1 is the width of the flow equalization plate occupied by the liquid guide holes, L2 is the width of the flow equalization plate occupied by the first air guide holes, and L3 is the width of the flow equalization plate occupied by the second air guide holes.
According to a preferred embodiment, the first heat exchange tube and the second heat exchange tube are arranged in the first tube distribution area, and the third heat exchange tube is arranged in the second tube distribution area, wherein the first heat exchange tube is located in the desuperheating area, and the heat exchange area of a single first heat exchange tube is smaller than that of a single second heat exchange tube or a single third heat exchange tube.
According to a preferred embodiment, the oil comprises an air inlet pipe, a built-in oil leakage plate, side sealing plates, an oil outlet, an oil filtering net, an L-shaped porous oil filtering plate and a long straight oil filtering plate, wherein two sides of the side sealing plates are connected with the inner wall of the shell; the built-in oil leakage plate and the long straight oil filtering plate are positioned in a cavity formed by the side sealing plates and the shell; the air inlet pipe is inserted into a semi-closed cavity formed by the shell, the built-in oil leakage plate, the side sealing plates and the long straight oil filtering plate; the oil filter screen and the L-shaped porous oil filter plate are positioned at the notch of the side sealing plate; the oil outlet is positioned on the shell below the built-in oil leakage plate and between the side edge sealing plates and extends out of the shell.
According to a preferred embodiment, the side seal plates are of arcuate configuration.
According to a preferred embodiment, the cross-sectional arc length of the side seal plates is 1/5 to 1/2 of the perimeter of the cross-section of the housing.
The outdoor unit comprises an outdoor unit body and a condenser positioned in the outdoor unit body, wherein the condenser is a horizontal condenser according to any one of the technical schemes.
The air conditioning system comprises an indoor unit and an outdoor unit, wherein the outdoor unit is the outdoor unit according to any one of the technical schemes of the invention.
The horizontal condenser, the outdoor unit and the air conditioning system have at least the following beneficial technical effects:
The horizontal condenser comprises a shell, oil and a flow equalizing plate, wherein the oil and the flow equalizing plate are arranged in the shell, the oil is positioned at one side of the shell and is eccentrically arranged, the flow equalizing plate is positioned at the other side of the shell, a liquid guide hole and at least two air guide holes with apertures are arranged on the flow equalizing plate, the liquid guide hole is used for enabling condensate to flow out, the air guide holes are used for enabling the refrigerant gas to flow through and enabling the refrigerant gas flowing through the air guide holes to be uniform, namely the horizontal condenser is an integrated horizontal condenser with the oil and the flow equalizing plate, the oil is positioned at one side of the shell and is eccentrically arranged, the non-uniform air guide holes on the flow equalizing plate can perform gas equalization on high-temperature and high-pressure refrigerant gas which enters a heat exchange area through the oil, so that the non-uniform refrigerant gas flows through the flow equalizing plate, the refrigerant gas flowing through a condensing pipe area is uniform, the whole heat exchange efficiency of the heat exchanger is improved, and the problem that the surface of the condensing pipe on one side has a tube bundle effect due to large condensation capacity, the condensing pipe on the other side cannot fully exert the heat exchange capacity due to insufficient condensation capacity is solved.
The outdoor unit comprises the horizontal condenser according to any one of the technical schemes, and the air conditioning system comprises the outdoor unit according to any one of the technical schemes, so that the heat exchange efficiency of the outdoor unit is improved, and the heat exchange efficiency of the air conditioning system using the outdoor unit is also improved.
The horizontal condenser, the outdoor unit and the air conditioning system can solve the technical problem that heat exchange performance of two sides of a condensing tube is reduced and integral heat exchange of the condenser is attenuated due to asymmetric arrangement of C-shaped built-in oil components in the prior art.
In addition, the preferred technical scheme of the invention can also have the following technical effects:
According to the preferred technical scheme, the side sealing plates of the oil are of arc-shaped structures, and the oil is eccentrically distributed, compared with the traditional V-shaped built-in oil, the oil outlet of the preferred technical scheme is arranged on the shell below the built-in oil leakage plate and between the side sealing plates, and the frozen oil is discharged from the oil outlet after passing through the built-in oil leakage plate, so that oil return of a compressor is facilitated, and a complex pipeline is not needed in the oil. Namely, the preferable technical scheme of the invention provides the built-in oil component with a novel structure.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a preferred embodiment of the horizontal condenser of the present invention;
FIG. 2 is a cross-sectional view of another preferred embodiment of the horizontal condenser of the present invention;
Fig. 3 is a schematic view of a preferred embodiment of the flow equalization plate of the present invention;
Fig. 4 is a schematic view of another preferred embodiment of the flow equalization plate of the present invention;
Fig. 5 is a schematic view of coverage of different openings of the flow equalizing plate according to the present invention.
In the figure: 101. a housing; 201. a flow equalizing plate; 2011. a liquid guiding hole; 2012. an air guide hole; 2012a, first air guide holes; 2012b, second air guide holes; 202. a first cloth region; 2021. a first heat exchange tube; 2022. a second heat exchange tube; 203. a second cloth region; 2031. a third heat exchange tube; 204. a liquid collecting bag; 301. an air inlet pipe; 302. an oil leakage plate is arranged in the inner part; 303. a side edge sealing plate; 304. an oil outlet; 305. an oil filter screen; 306. an L-shaped porous oil filter plate; 307. long straight oil filtering plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
The horizontal condenser, the outdoor unit and the air conditioning system according to the present invention will be described in detail with reference to fig. 1 to 5 of the accompanying drawings and examples 1 to 3.
Example 1
This example describes the horizontal condenser of the present invention in detail.
The horizontal condenser of the present embodiment includes a housing 101, an oil and flow equalization plate 201, as shown in fig. 1 or 2. Preferably, the oil and flow equalization plate 201 is built into the housing 101, as shown in fig. 1 or 2. More preferably, the oil is located at one side of the casing 101 and is eccentrically arranged, the flow equalizing plate 201 is located at the other side of the casing 101, the flow equalizing plate 201 is provided with a liquid guiding hole 2011 and a liquid guiding hole 2012 with at least two apertures, the liquid guiding hole 2011 is used for flowing out condensate, the liquid guiding hole 2012 is used for flowing through refrigerant gas and making the refrigerant gas flowing through the liquid guiding hole 2012 uniform, as shown in fig. 1 to 5. As shown in fig. 1 or 2, the oil eccentric arrangement in this embodiment means that the oil is located entirely above the inside of the casing 101.
The horizontal condenser of this embodiment is an integrated horizontal condenser with built-in oil and flow equalizing plate 201, the oil is located at one side of the shell 101 and is eccentrically arranged, so that the refrigerant gas entering the heat exchange area through the oil is unevenly distributed, the uneven air guide holes 2012 on the flow equalizing plate 201 of the horizontal condenser of this embodiment can homogenize the high-temperature and high-pressure refrigerant gas entering the heat exchange area through the oil, so that the uneven refrigerant gas becomes even after flowing through the flow equalizing plate 201, thereby making the refrigerant gas flowing through the condenser pipe area even, improving the overall heat exchange efficiency of the heat exchanger, preventing the problem that the surface of the condenser pipe on one side has a tube bundle effect due to large condensation amount, resulting in reduced condensation heat exchange performance, and the condenser pipe on the other side cannot fully exert its heat exchange capability due to insufficient condensation amount. That is, the horizontal condenser of the embodiment can solve the technical problem that heat exchange performance of two sides of a condensing tube is reduced and integral heat exchange of the condenser is attenuated due to asymmetric arrangement of C-shaped built-in oil components in the prior art.
According to a preferred embodiment, the flow equalizing plate 201 is obliquely disposed at a distribution area within the housing 101 and divides the distribution area into a first distribution area 202 and a second distribution area 203, and both sides of the flow equalizing plate 201 are respectively connected to the housing 101 and the oil, as shown in fig. 1 or 2. Preferably, the included angle between the flow equalizing plate 201 and the horizontal plane is 2-15 degrees. Preferably, the flow equalizing plate 201 is obliquely arranged at the middle position of the casing 101 to divide the cloth tube area into an upper part and a lower part. The flow equalizing plate 201 of the preferred technical solution of this embodiment is obliquely arranged, so that the liquid refrigerant can flow out of the liquid guiding hole 2011 under the action of gravity.
Preferably, the air guide holes 2011 are located at a lower end of the flow equalizing plate 201 and at a side of the flow equalizing plate 201 near the housing 101, and the air guide holes 2012 are located at a side of the flow equalizing plate 201 near the oil, as shown in fig. 3 or fig. 4. In the preferred technical solution of this embodiment, the liquid guiding hole 2011 is located at the lower end of the flow equalizing plate 201 and is located at one side of the flow equalizing plate 201 near the casing 101, so that condensate condensed by the upper layer condensation pipe of the condensate is convenient to flow out from the liquid guiding hole 2011 and flows to the bottom liquid collecting bag 204 along the lower casing 101, and the influence of the condensate on the lower condensation pipe is reduced.
Preferably, the air holes 2012 include a first air hole 2012a and a second air hole 2012b, wherein the first air hole 2012a is located on a side of the flow equalizing plate 201 near the air hole 2011, and the second air hole 2012b is located on a side of the flow equalizing plate 201 near the oil, as shown in fig. 3 or fig. 4. More preferably, the first air vent 2012a has a smaller aperture than the second air vent 2012b, as shown in fig. 3 to 5. The high-temperature and high-pressure refrigerant gas enters the heat exchange tube area after oil is eccentrically arranged, specifically, the distribution of the high-temperature and high-pressure refrigerant gas near one side of the oil is less, the distribution of the high-temperature and high-pressure refrigerant gas near one side of the shell 101 is more, the flow equalizing plate 201 of the preferred technical scheme of the embodiment comprises two pore-diameter air guide holes 2012, the pore diameter of a first air guide hole 2012a near one side of the air guide holes 2011 is smaller than that of a second air guide hole 2012b near one side of the oil, namely, the area with more high-temperature and high-pressure refrigerant gas distribution corresponds to the first air guide hole 2012a smaller pore diameter so as to slow down and/or reduce the passing of the high-temperature and high-pressure refrigerant gas, the area with less high-temperature and high-pressure refrigerant gas corresponds to the second air guide hole 2012b with larger pore diameter so as to accelerate and/or increase the flow equalizing effect of the high-temperature and high-pressure refrigerant gas near one side of the air guide holes 2012, and the uneven high-temperature and high-pressure refrigerant gas above the plate 201 becomes even after passing through the first air guide holes 2012a and the second air guide holes 2012b, so that the refrigerant gas flows through the lower part of the condenser tube area uniformly, thereby the heat exchange efficiency of the refrigerant gas is improved. The air holes 2012 may have three or more apertures, so that the high-temperature and high-pressure refrigerant gas passing through the flow equalizing plate 201 is more uniform.
Preferably, the liquid guide hole 2011, the first air guide hole 2012a and the second air guide hole 2012b are circular holes, as shown in fig. 3. The liquid guide holes 2011, 2012a, 2012b may be holes of other shapes. Fig. 4 shows a schematic view of the liquid guiding hole 2011 as a square hole.
Preferably, the liquid guide holes 2011 are single-row holes, and the aperture of the liquid guide holes 2011 is 6-12 mm; the first air vent 2012a and the second air vent 2012b are a plurality of rows of holes, and the first air vent 2012a has a hole diameter of 1 to 4mm and the second air vent 2012b has a hole diameter of 3 to 8mm, as shown in fig. 3 to 5. More preferably, the aperture of the liquid guiding hole 2011 is 8mm; the first air vent 2012a has a pore diameter of 3mm and the second air vent 2012b has a pore diameter of 6mm. More preferably, the first air holes 2012a are six rows of holes, and the second air holes 2012b are eleven rows of holes, as shown in fig. 3 to 5. In the preferred technical solution of this embodiment, by defining the apertures and the number of rows of the liquid guide holes 2011, the first air guide holes 2012a and the second air guide holes 2012b, the air equalizing effect of the air equalizing plate 201 can be further improved, so that the heat exchange efficiency of the heat exchanger can be further improved.
Preferably, the hole pitch of the liquid guide holes 2011 is 1.5-3 times of the hole diameter; the hole pitch of the first air guide holes 2012a in the width and length directions of the flow equalizing plate 201 is 1.5 to 3 times of the aperture thereof; the hole pitch of the second air guide holes 2012b in the width and length directions of the flow equalizing plate 201 is 1.5 to 3 times the aperture thereof. More preferably, the hole pitch of the liquid guiding holes 2011 is 2 times of the hole diameter thereof; the hole pitch of the first air guide holes 2012a in the width and length directions of the flow equalizing plate 201 is 2 times of the aperture thereof; the second air guide holes 2012b have a hole pitch of 2 times the aperture in the width and length directions of the flow equalizing plate 201. According to the preferred technical scheme of the embodiment, the air equalizing effect of the flow equalizing plate 201 can be further improved by limiting the hole spacing of the liquid guiding holes 2011 and the hole spacing of the first air guiding holes 2012a and the second air guiding holes 2012b in the width direction and the length direction of the flow equalizing plate 201, so that the heat exchange efficiency of the heat exchanger can be further improved.
Preferably, the width ratio of the flow equalizing plate 201 occupied by the liquid guiding holes 2011, the first liquid guiding holes 2012a and the second liquid guiding holes 2012b is: l1:l2:l3=1:3:15 to 1:10:15, wherein L1 is the width of the flow equalization plate 201 occupied by the liquid guide holes 2011, L2 is the width of the flow equalization plate 201 occupied by the first liquid guide holes 2012a, and L3 is the width of the flow equalization plate 201 occupied by the second liquid guide holes 2012b, as shown in fig. 5. More preferably, the width ratio of the flow equalizing plate 201 occupied by the liquid guiding holes 2011, the first liquid guiding holes 2012a and the second liquid guiding holes 2012b is: L1:L 2:L 3 =1:5:15. According to the preferred technical scheme of the embodiment, the width proportion of the flow equalization plate 201 occupied by the liquid guide holes 2011, the first air guide holes 2012a and the second air guide holes 2012b is limited, so that the air equalization effect of the flow equalization plate 201 can be further improved, and the heat exchange efficiency of the heat exchanger can be further improved.
According to a preferred embodiment, the first cloth tube region 202 is arranged with a first heat exchange tube 2021 and a second heat exchange tube 2022, and the second cloth tube region 203 is arranged with a third heat exchange tube 2031, as shown in fig. 2. Preferably, the first heat exchange tube 2021 is located in the desuperheating region, and the heat exchange area of the single first heat exchange tube 2021 is smaller than that of the single second heat exchange tube 2022 or the single third heat exchange tube 2031, as shown in fig. 2. More preferably, the first heat exchange tube 2021 is a light pipe or a two-dimensional fin condenser tube, and the second heat exchange tube 2022 and the third heat exchange tube 2031 are light pipes or three-dimensional fin condenser tubes. Specifically, the first heat exchange tube 2021 is a corresponding light pipe having a size smaller than that of the second heat exchange tube 2022 or the third heat exchange tube 2031, or the first heat exchange tube 2021 is a two-dimensional fin condenser tube having the same size as that of the second heat exchange tube 2022 or the third heat exchange tube 2031. It is understood that the heat exchange area of the single first heat exchange tube 2021 may be the same as the heat exchange area of the single second heat exchange tube 2022 or the single third heat exchange tube 2031.
Preferably, the total heat exchange area of the first heat exchange tube 2021 accounts for 3 to 10% of the total heat exchange area of the condenser. The vapor refrigerant discharged from the compressor is generally higher than the temperature corresponding to the saturated pressure, so that the vapor refrigerant generates an overheat phenomenon, and the overheat removing area is an area for reducing the temperature of the overheat vapor refrigerant to the temperature corresponding to the saturated pressure, so that the vapor refrigerant can perform the phase change heat exchange of the next step. For example, the desuperheating region is a framed portion of the first cloth tube region 202, as shown in fig. 2. The desuperheating process is a non-phase change heat exchange process, and therefore, the first heat exchange tube 2021 does not need to use a high efficiency condensing tube. According to the preferred technical scheme, a single light pipe or a two-dimensional fin condensing pipe with smaller heat exchange area is arranged in the desuperheating area, so that the waste of the heat exchange area can be avoided, the cost of the shell pipe material can be reduced, and the technical problem that the heat exchange area and the cost are wasted easily due to the fact that the efficient condensing pipe is used in the desuperheating area in the prior art can be solved.
According to a preferred embodiment, the oil includes an intake pipe 301, a built-in drain plate 302, a side seal plate 303, an oil outlet 304, an oil screen 305, an L-shaped porous oil screen 306, and a long straight oil screen 307, as shown in fig. 1 or 2. Preferably, both sides of the side seal plates 303 are connected to the inner wall of the housing 101; the built-in oil leakage plate 302 and the long straight oil filtering plate 307 are positioned in a cavity formed by the side sealing plate 303 and the shell 101; the air inlet pipe 301 is inserted into a semi-closed cavity formed by the shell 101, the built-in oil leakage plate 302, the side edge sealing plates 303 and the long straight oil filtering plate 307; the oil filter screen 305 and the L-shaped porous oil filter plate 306 are positioned at the notch of the side sealing plate 303; the oil outlet 304 is located on the housing 101 below the built-in oil leakage plate 302 and between the side seal plates 303 and protrudes from the housing 101 as shown in fig. 1 or 2. More preferably, the air inlet pipe 301 is obliquely inserted into a semi-closed cavity formed by the casing 101, the built-in oil leakage plate 302, the side sealing plates 303 and the long straight oil filtering plate 307. The inclined insertion according to the preferred embodiment of the present invention means that the air inlet 301 is inserted obliquely with respect to the housing 101. More preferably, the side seal plates 303 are arc-shaped. In the preferred embodiment of the present invention, the side sealing plate 303 has an arc structure, which means that the cross section of the side sealing plate 303 has an arc structure, as shown in fig. 1 or fig. 2. In the preferred technical scheme of this embodiment, the side seal plates 303 of the oil are of arc-shaped structures, and the oil is eccentrically arranged, compared with the traditional V-shaped built-in oil, the oil outlet 304 of the preferred technical scheme of this embodiment is located below the built-in oil leakage plate 302, and the oil outlet 304 is located on the shell 101 between the built-in oil leakage plate 302 and the side seal plates 303, and the frozen oil is discharged from the oil outlet 304 after passing through the built-in oil leakage plate 302, so that the oil is conveniently returned by the compressor, and no complex pipeline is needed in the oil. Namely, the preferred technical scheme of the embodiment provides the built-in oil component with a novel structure. It is understood that the oil component according to the preferred embodiment of the present invention may be a "C" type oil component.
The separation of the gaseous refrigerant and the refrigerant oil within the oil is illustrated by the two arrows in fig. 2, wherein the dashed arrows represent the gaseous refrigerant and the solid arrows represent the refrigerant oil, respectively. As shown in fig. 2, the high-temperature high-pressure gaseous refrigerant mixed refrigerant enters the oil from the air inlet pipe 301, and the gaseous refrigerant flows into the heat exchange pipe area from the upper notch of the oil through the separation modes such as collision separation, gravity sedimentation and filter screen separation, and the refrigerant returns to the compressor from the middle oil outlet 304 of the shell 101, so as to realize oil-gas separation.
Preferably, the cross-sectional arc length of the side seal plates 303 is 1/5 to 1/2 of the cross-sectional perimeter of the housing 101. In the preferred embodiment, the dimension of the side seal plates 303 is determined based on the specification of the housing 101, and the cross-sectional arc length of the side seal plates 303 is preferably 1/5-1/2 of the cross-sectional perimeter of the housing 101, so as to ensure that oil has enough oil-gas separation space. The cross-sectional arc length of the side seal plate 303 according to the preferred embodiment of the present invention may also be referred to as the width of the side seal plate 303, and the cross-sectional arc length of the side seal plate 303 is shown in fig. 1 or fig. 2.
Example 2
The outdoor unit of the present invention will be described in detail in this embodiment.
The outdoor unit of the embodiment comprises an outdoor unit body and a condenser positioned in the outdoor unit body. Preferably, the condenser is a horizontal condenser according to any one of the embodiments 1. Preferably, the outdoor unit body is a part of the air conditioner outdoor unit except for a condenser, and the structure of the outdoor unit body can be the same as that of the prior art, and will not be described herein. The outdoor unit of the embodiment includes the horizontal condenser according to any one of the embodiments 1, and the horizontal condenser can make the uneven refrigerant gas flow through the flow equalizing plate 201 and become even, so that the refrigerant gas flowing through the condensing tube area is even, and the overall heat exchange efficiency of the heat exchanger is improved, and further the heat exchange efficiency of the outdoor unit of the embodiment is improved. That is, the outdoor unit of the embodiment can solve the technical problem that heat exchange performance of two sides of a condensing tube is reduced and integral heat exchange of a condenser is attenuated due to asymmetric arrangement of C-shaped built-in oil components in the prior art.
Example 3
The present embodiment describes the air conditioning system of the present invention in detail.
The air conditioning system of the embodiment comprises an indoor unit and an outdoor unit. Preferably, the outdoor unit is any one of the outdoor units according to embodiment 2. Preferably, the structure of the indoor unit may be the same as that of the prior art, and will not be described herein. Preferably, the air conditioning system of the present embodiment is a water-cooled central air conditioning system. The air conditioning system of the present embodiment includes the outdoor unit according to any one of embodiment 2, and the heat exchange efficiency of the outdoor unit is improved, so that the heat exchange efficiency of the air conditioning system using any one of embodiment 2 is also improved. That is, the air conditioning system of the embodiment can solve the technical problem that heat exchange performance of two sides of a condensing tube is reduced and integral heat exchange of a condenser is attenuated due to asymmetric arrangement of C-shaped built-in oil components in the prior art.
In the description of the present invention, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. The horizontal condenser is characterized by comprising a shell (101), oil and a flow equalizing plate (201), wherein the oil and the flow equalizing plate (201) are arranged in the shell (101), the oil is located at one side of the shell (101) and is eccentrically arranged, the flow equalizing plate (201) is located at the other side of the shell (101), a liquid guide hole (2011) and air guide holes (2012) with at least two apertures are formed in the flow equalizing plate (201), the liquid guide hole (2011) is used for allowing condensate to flow out, and the air guide holes (2012) are used for allowing refrigerant gas to flow through and enabling the refrigerant gas flowing through the air guide holes (2012) to be uniform;
the flow equalizing plate (201) is obliquely arranged in a distribution area in the shell (101) and divides the distribution area into a first distribution area (202) and a second distribution area (203), and two sides of the flow equalizing plate (201) are respectively connected with the shell (101) and the oil component;
the liquid guide hole (2011) is positioned at the lower end of the flow equalizing plate (201) and at one side of the flow equalizing plate (201) close to the shell (101), and the liquid guide hole (2012) is positioned at one side of the flow equalizing plate (201) close to the oil component;
The air vent (2012) comprises a first air vent (2012 a) and a second air vent (2012 b), wherein the first air vent (2012 a) is positioned at one side of the flow equalizing plate (201) close to the air vent (2011), the second air vent (2012 b) is positioned at one side of the flow equalizing plate (201) close to the oil, and the aperture of the first air vent (2012 a) is smaller than the aperture of the second air vent (2012 b).
2. The horizontal condenser according to claim 1, wherein the angle between the flow equalization plate (201) and the horizontal plane is 2-15 °.
3. The horizontal condenser according to claim 1, wherein the liquid guiding holes (2011) are single-row holes, and the aperture of the liquid guiding holes (2011) is 6-12 mm; the first air guide holes (2012 a) and the second air guide holes (2012 b) are multiple rows of holes, the aperture of the first air guide holes (2012 a) is 1-4 mm, and the aperture of the second air guide holes (2012 b) is 3-8 mm.
4. A horizontal condenser according to claim 3, wherein the hole pitch of the liquid guiding holes (2011) is 1.5-3 times the hole diameter thereof; the hole spacing of the first air guide holes (2012 a) in the width and length directions of the flow equalizing plate (201) is 1.5-3 times of the aperture of the first air guide holes; the hole spacing of the second air guide holes (2012 b) in the width and length directions of the flow equalizing plate (201) is 1.5-3 times of the hole diameter.
5. A horizontal condenser according to claim 3, characterized in that the ratio of the widths of the flow equalization plates (201) occupied by the liquid-guiding holes (2011), the first air-guiding holes (2012 a) and the second air-guiding holes (2012 b) is: l1:l2:l3=1:3:15 to 1:10:15, wherein L1 is the width of the flow equalization plate (201) occupied by the liquid guide hole (2011), L2 is the width of the flow equalization plate (201) occupied by the first air guide hole (2012 a), and L3 is the width of the flow equalization plate (201) occupied by the second air guide hole (2012 b).
6. The horizontal condenser according to claim 1, wherein the first cloth pipe region (202) is arranged with a first heat exchange pipe (2021) and a second heat exchange pipe (2022), the second cloth pipe region (203) is arranged with a third heat exchange pipe (2031), wherein the first heat exchange pipe (2021) is located in a desuperheating region, and a heat exchange area of a single first heat exchange pipe (2021) is smaller than a heat exchange area of a single second heat exchange pipe (2022) or a single third heat exchange pipe (2031).
7. The horizontal condenser according to any one of claims 1 to 6, wherein the oil includes an intake pipe (301), a built-in oil leakage plate (302), a side seal plate (303), an oil outlet (304), an oil filter screen (305), an L-shaped porous oil filter plate (306), and a long straight oil filter plate (307), wherein,
Both sides of the side sealing plates (303) are connected with the inner wall of the shell (101); the built-in oil leakage plate (302) and the long straight oil filtering plate (307) are positioned in a cavity formed by the side edge sealing plates (303) and the shell (101); the air inlet pipe (301) is inserted into a semi-closed cavity formed by the shell (101), the built-in oil leakage plate (302), the side edge sealing plates (303) and the long straight oil filtering plate (307); the oil filter screen (305) and the L-shaped porous oil filter plate (306) are positioned at the notch of the side sealing plate (303); the oil outlet (304) is positioned on the shell (101) below the built-in oil leakage plate (302) and between the side edge sealing plates (303) and extends out of the shell (101).
8. The horizontal condenser as recited in claim 7, wherein the side seal plates (303) are arcuate in configuration.
9. The horizontal condenser of claim 8, wherein the cross-sectional arc length of the side seal plates (303) is 1/5 to 1/2 of the cross-sectional perimeter of the housing (101).
10. An outdoor unit comprising an outdoor unit body and a condenser disposed in the outdoor unit body, wherein the condenser is a horizontal condenser according to any one of claims 1 to 9.
11. An air conditioning system comprising an indoor unit and an outdoor unit, wherein the outdoor unit is the outdoor unit of claim 10.
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| CN202110816633.XA CN113551314B (en) | 2021-07-20 | 2021-07-20 | Horizontal condenser, outdoor unit and air conditioning system |
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| CN202110816633.XA CN113551314B (en) | 2021-07-20 | 2021-07-20 | Horizontal condenser, outdoor unit and air conditioning system |
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| CN116026066A (en) * | 2021-10-27 | 2023-04-28 | 麦克维尔空调制冷(武汉)有限公司 | Built-in oil content structure and condenser |
| CN116045702B (en) * | 2023-02-03 | 2024-11-05 | 深圳市奥图威尔科技有限公司 | Heat exchanger with diversion structure |
| CN116294310B (en) * | 2023-02-17 | 2025-05-27 | 珠海格力电器股份有限公司 | Desuperheating assembly, heat exchanger and refrigeration system |
| CN115930490B (en) * | 2023-02-17 | 2025-05-27 | 珠海格力电器股份有限公司 | Desuperheating assembly, heat exchanger and refrigeration system |
| CN118499992B (en) * | 2024-04-26 | 2025-12-16 | 约克（无锡）空调冷冻设备有限公司 | Condenser |
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| CN215765451U (en) * | 2021-07-20 | 2022-02-08 | 珠海格力电器股份有限公司 | Horizontal condenser, outdoor unit and air conditioning system |
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| JP5189697B1 (en) * | 2012-07-04 | 2013-04-24 | 研二 長谷川 | Air conditioner outdoor unit cooling device and air conditioner outdoor unit using the same |
| US9032753B2 (en) * | 2012-03-22 | 2015-05-19 | Trane International Inc. | Electronics cooling using lubricant return for a shell-and-tube style evaporator |
| CN104748448B (en) * | 2013-12-27 | 2017-08-11 | 约克（无锡）空调冷冻设备有限公司 | shell and tube condenser |
| CN104833140B (en) * | 2015-05-29 | 2017-03-08 | 珠海格力电器股份有限公司 | Heat exchange equipment and oil return type condenser thereof |
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