CN112344604A - Liquid equalizing device and air conditioner - Google Patents
Liquid equalizing device and air conditioner Download PDFInfo
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- CN112344604A CN112344604A CN201910730111.0A CN201910730111A CN112344604A CN 112344604 A CN112344604 A CN 112344604A CN 201910730111 A CN201910730111 A CN 201910730111A CN 112344604 A CN112344604 A CN 112344604A
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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
- F25B41/00—Fluid-circulation 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
- F25B39/02—Evaporators
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
- F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D5/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
- F28D5/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation in which the evaporating medium flows in a continuous film or trickles freely over the conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention belongs to the technical field of heat exchange, and aims to solve the problems that the assembly precision requirement of the existing air conditioner on a liquid homogenizing device is high, and the dry burning phenomenon of a heat exchange tube bundle of the air conditioner cannot be thoroughly solved. The liquid homogenizing device comprises a pressure box, an upper box, a lower box and at least one layer of middle baffle plate arranged between the upper box and the lower box, wherein the pressure box is arranged along the length direction of the upper box, and a plurality of liquid holes are densely distributed on a bottom plate of the pressure box, the middle baffle plate and the lower box; the middle baffle plate is provided with a plurality of first liquid baffle plates, so that the middle baffle plate is divided into a plurality of first liquid film uniform sections; be provided with a plurality of second liquid baffles on the box down for be separated into a plurality of second liquid film uniform segments on the box down. The liquid homogenizing device can improve the liquid homogenizing effect of the liquid homogenizing device, reduce the assembly precision requirement of the liquid homogenizing device, avoid the phenomenon of 'dry burning' caused by uneven distribution of the refrigerant on the heat exchange tube bundle, improve the utilization rate of the heat exchange tube and further improve the performance of the air conditioner.
Description
Technical Field
The invention belongs to the technical field of heat exchange, and particularly provides a liquid homogenizing device and an air conditioner.
Background
At present, evaporators used by a central air-conditioning water chilling unit mainly comprise a dry evaporator, a flooded evaporator and a falling film evaporator. Compared with a dry evaporator and a flooded evaporator, the falling film evaporator has the advantages of higher heat transfer coefficient and lower refrigerant charge amount than the dry evaporator, but all the advantages are based on the uniform distribution of the refrigerant. Usually refrigerating unit can adopt single inlet, and receive the restriction of compressor induction port position, the one end at the equal liquid device is put usually to the inlet, the problem of equal liquid device along length or the unable evenly distributed of width direction refrigerant will appear like this, and then it is too much to cause liquid refrigerant on the partly tube bank of heat transfer tube bank of equal liquid device below, and liquid refrigerant supply is not enough on the other part tube bank, will form "dry combustion method" phenomenon on the heat transfer tube bank that the refrigerant supplies liquid not enough, cause the utilization ratio of heat exchange tube to reduce by a wide margin, thereby influence the performance of unit.
Among the prior art, in order to avoid above-mentioned problem as far as possible, put forward very high requirement to the assembly precision of homocline device, need to set up the complete level of homocline device promptly to guarantee that the refrigerant can the equipartition, however in practical application, the homocline device is difficult to keep the level setting for a long time, especially after using a period, the position deviation can hardly appear in the homocline device, consequently, heat exchanger tube bundle's "dry combustion method" phenomenon still can't be avoided.
Therefore, there is a need in the art for a new liquid equalizing device and air conditioner to solve the above problems.
Disclosure of Invention
In order to solve the problems in the prior art, namely the problems that the assembly precision requirement of the existing air conditioner on a liquid homogenizing device is high and the dry burning phenomenon of a heat exchange tube bundle of the air conditioner cannot be thoroughly solved, the invention provides the liquid homogenizing device which comprises a pressure box, an upper box, a lower box and at least one layer of intermediate baffle plate arranged between the upper box and the lower box, wherein the pressure box is arranged along the length direction of the upper box, and a plurality of liquid holes are densely distributed in a bottom plate of the pressure box, the intermediate baffle plate and the lower box; the middle baffle plate is provided with a plurality of first liquid baffle plates, so that the middle baffle plate is divided into a plurality of first liquid film uniform sections; and a plurality of second liquid baffles are arranged on the lower box, so that the lower box is divided into a plurality of second liquid film uniform sections.
In a preferable technical solution of the above liquid equalizing device, the plurality of first liquid blocking plates are arranged at equal intervals along a length direction of the intermediate baffle.
In a preferable technical solution of the above liquid equalizing device, the plurality of second liquid blocking plates are arranged at equal intervals along a length direction of the lower box.
In a preferable technical solution of the above liquid equalizing device, the width of the pressure cell gradually decreases along the flow direction of the liquid in the pressure cell.
In the preferable technical scheme of the liquid equalizing device, the two ends of the upper box are both provided with air baffles.
In the preferable technical scheme of the liquid equalizing device, at least one side of the upper box is provided with a third liquid baffle plate, and the third liquid baffle plate is provided with a plurality of air holes.
In the preferable technical scheme of the above liquid equalizing device, both sides of the upper box are provided with the third liquid baffle, and both sides of the upper box are provided with the fourth liquid baffle, the fifth liquid baffle and the sixth liquid baffle, the fourth liquid baffle, the fifth liquid baffle and the sixth liquid baffle are arranged above the third liquid baffle in a stacking manner, and the fourth liquid baffle, the fifth liquid baffle and the sixth liquid baffle are provided with a plurality of air holes.
In the preferable technical scheme of the liquid equalizing device, the fourth liquid baffle, the fifth liquid baffle and the sixth liquid baffle are sequentially arranged from bottom to top, a plurality of air holes in the fourth liquid baffle and a plurality of air holes in the fifth liquid baffle are arranged in a staggered manner, and a plurality of air holes in the fifth liquid baffle and a plurality of air holes in the sixth liquid baffle are also arranged in a staggered manner.
In the preferable technical scheme of the liquid homogenizing device, the plurality of air holes in the sixth liquid baffle plate and the air outlet of the cylinder of the liquid homogenizing device are arranged in a staggered manner.
In another aspect, the invention also provides an air conditioner, which comprises the liquid homogenizing device.
As can be understood by those skilled in the art, in the preferred technical scheme of the invention, by arranging a plurality of first liquid baffle plates on the middle baffle plate and arranging a plurality of second liquid baffle plates on the lower box, the middle baffle plate is divided into a plurality of first liquid film uniform sections, the lower box is divided into a plurality of second liquid film uniform sections, the liquid can be uniformly distributed, namely when the assembly of the liquid homogenizing device has slight inclination deviation, the liquid can be prevented from flowing to the lower part from the high part on the middle baffle plate and limited in each first liquid film uniform section due to the blocking effect of the plurality of first baffle plates, and the liquid can be prevented from flowing to the lower part from the high part on the lower box and limited in each second liquid film uniform section due to the blocking effect of the plurality of second baffle plates, so that the liquid flowing out of the pressure box is uniformly distributed on the middle baffle plate and gradually flows to the lower box, when the liquid homogenizing device is applied to an air conditioner, the refrigerant flowing out of the liquid homogenizing device can uniformly flow to the heat exchange tube bundle, so that the phenomenon of 'dry burning' caused by uneven distribution of the refrigerant on the heat exchange tube bundle is avoided, the utilization rate of the heat exchange tube is improved, and the performance of the air conditioner is improved.
Further, a plurality of first fender liquid boards set up along the length direction of middle baffle equidistant for the length of the even section of all first liquid films equals, and the length direction equipartition of middle baffle can be followed to the liquid on the middle baffle, further improves the equipartition effect of liquid balancing unit.
Further, a plurality of second baffles are along the equidistant setting of length direction of lower box for the length of the even section of all second liquid films equals, and the length direction equipartition of box down can be followed to the liquid on the lower box, further improves the equipartition effect of liquid balancing device.
Further, the width of pressure cell reduces along the flow direction of liquid in the pressure cell gradually, because at the flow in-process of liquid, the liquid in the pressure cell constantly flows downwards, flow to intermediate baffle promptly, reduce the width of pressure cell along the flow direction of liquid in the pressure cell gradually more be favorable to the outflow of liquid in the pressure cell, the liquid of pressure cell optional position can both flow to intermediate baffle smoothly promptly, thereby be favorable to the equipartition of liquid on the intermediate baffle more, further improve the equipartition effect of homocline device.
Further, the air baffle plate can isolate air, and when the liquid equalizing device is applied to an air conditioner, the air baffle plate can prevent a refrigerant which does not exchange heat through the heat exchange tube from entering an air suction port of the compressor, namely, the air suction and liquid carrying of the compressor are avoided.
Further, gas-liquid separation can be performed by the third liquid baffle, and when the liquid equalizing device is applied to an air conditioner, the third liquid baffle can improve the gas-liquid separation effect.
Further, the gas-liquid separation effect can be further improved through the matching of the third liquid baffle, the fourth liquid baffle, the fifth liquid baffle and the sixth liquid baffle.
Further, through misplacing a plurality of gas holes on the fourth liquid baffle and a plurality of gas holes on the fifth liquid baffle, a plurality of gas holes on the fifth liquid baffle and a plurality of gas holes on the sixth liquid baffle are also misplaced, so that the flow path of gas is lengthened, the gas is fully contacted with the fourth liquid baffle, the fifth liquid baffle and the sixth liquid baffle, the liquid in the gas is filtered more fully, and the gas-liquid separation effect is further improved.
Furthermore, the plurality of air holes in the sixth liquid baffle plate and the air outlet of the cylinder body of the liquid homogenizing device are arranged in a staggered mode, so that liquid can be further prevented from flowing out of the air outlet, and when the liquid homogenizing device is applied to an air conditioner, air suction and liquid carrying of a compressor can be avoided.
Drawings
The preferred embodiments of the present invention will be described below with reference to the application of the liquid homogenizing device of the present invention to an air conditioner as an example, wherein:
FIG. 1 is a schematic structural diagram of a liquid homogenizing device of the present invention;
fig. 2 is an exploded schematic view of the homogenizing device of the present invention.
Detailed Description
First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. For example, although the following embodiments are described by taking the liquid homogenizing device as an example for being applied to an air conditioner, the liquid homogenizing device of the present invention can also be applied to other heat exchange equipment or engineering equipment, and such adjustment and change of the application objects do not limit the present invention, and should be limited within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "in", "upper", "lower", "top", "bottom", "left", "right", "front", "rear", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention provides a liquid homogenizing device and an air conditioner based on the background technology, which aim to improve the liquid homogenizing effect of the liquid homogenizing device, reduce the assembly precision requirement of the liquid homogenizing device, avoid the dry burning phenomenon caused by uneven distribution of refrigerants on a heat exchange tube bundle, improve the utilization rate of a heat exchange tube and further improve the performance of the air conditioner.
Specifically, the air conditioner comprises a condenser, a throttling element, a liquid homogenizing device, a compressor and a heat exchange tube bundle (used as an evaporator), wherein the condenser, the throttling element, the liquid homogenizing device, the compressor and the heat exchange tube bundle are sequentially connected, the heat exchange tube bundle is positioned below the liquid homogenizing device, liquid refrigerants flowing out of the condenser are throttled and then enter the liquid homogenizing device, the liquid homogenizing device uniformly distributes the liquid refrigerants and then conveys the liquid refrigerants to the heat exchange tube bundle, the heat exchange tube bundle converts the liquid refrigerants into gaseous refrigerants, the gaseous refrigerants enter the compressor, and more specifically, as shown in figures 1 and 2, the liquid homogenizing device comprises a pressure box 1, an upper box 2, a lower box 3 and at least one layer of intermediate baffle 4 arranged between the upper box 2 and the lower box 3, the heat exchange tube bundle (not shown in the figure) is specifically arranged below the lower box 3, the pressure box 1 is arranged along the length direction of the upper box 2, and a bottom plate of the pressure, A plurality of liquid holes are densely distributed on the middle baffle 4 and the lower box 3; the middle baffle 4 is provided with a plurality of first liquid baffle plates 5, so that the middle baffle 4 is divided into a plurality of first liquid film uniform sections 51; a plurality of second liquid baffles 6 are arranged on the lower box 3, so that the lower box 3 is divided into a plurality of second liquid film uniform sections 61. The intermediate baffle 4 can be set as one layer or multiple layers, and those skilled in the art can flexibly set the number of layers of the intermediate baffle 4 according to the specific structure of the air conditioner and liquid homogenizing device in practical application. In the above, the liquid equalizing device may further include a cylinder (not shown in the figure), the cylinder is provided with a liquid inlet (wherein the liquid inlet is connected to a throttling element of the air conditioner) and a gas outlet (wherein the gas outlet is connected to a suction port of a compressor of the air conditioner), the pressure box 1, the upper box 2, the lower box 3 and the middle baffle 4 are all disposed in the cylinder, the pressure box 1 is communicated with the liquid inlet through a liquid inlet pipe 12, that is, the liquid refrigerant of the air conditioner may enter the pressure box 1 through the liquid inlet pipe 12. It should be noted that the liquid holes densely distributed on the bottom plate of the pressure cell 1 can make the liquid refrigerant in the pressure cell 1 drip onto the intermediate baffle 4, the liquid holes densely distributed on the intermediate baffle 4 can make the liquid refrigerant on the intermediate baffle 4 drip onto the lower box 3, and the liquid holes densely distributed on the lower box 3 can make the liquid refrigerant on the lower box 3 drip onto the heat exchange tube bundle. In practical application, all the liquid holes on the bottom plate of the pressure box 1, all the liquid holes on the intermediate baffle 4 and all the liquid holes on the lower box 3 can adopt micropores, such as micropores with the diameter of 3-6mm, so that slow flowing of liquid refrigerants can be ensured, and the liquid refrigerants can be uniformly distributed.
Preferably, the plurality of first liquid baffles 5 are arranged at equal intervals along the length direction of the intermediate baffle 4. Those skilled in the art can flexibly set the number of the first liquid baffles 5 on the intermediate baffle 4 in practical application, as shown in fig. 1 and 2, all the first liquid baffles 5 are arranged in parallel, and the first liquid baffles 5 are arranged obliquely relative to the width direction of the intermediate baffle 4, wherein the angle between the first liquid baffles 5 and the width direction of the intermediate baffle 4 can be flexibly set. Through the arrangement, the lengths of the first liquid film uniform sections 51 are equal, when the liquid refrigerant in the pressure box 1 drops onto the intermediate baffle 4, the liquid refrigerant can be uniformly limited in the first liquid film uniform sections 51, and under the blocking action of the first liquid baffle 5, the liquid refrigerant in the first liquid film uniform sections 51 cannot flow with each other, for example, when the front position of the intermediate baffle 4 shown in fig. 1 and 2 is lower than the rear position, if the first liquid baffle 5 is not provided, the liquid refrigerant on the intermediate baffle 4 can flow from the rear side to the front side of the intermediate baffle 4, and further the rear side of the intermediate baffle 4 does not have the liquid refrigerant, so that the liquid refrigerant is unevenly distributed, and when the first liquid baffle 5 is provided, the liquid refrigerant on the intermediate baffle 4 can be blocked by the corresponding first liquid baffle 5 even if the liquid refrigerant flows forwards, so that the liquid refrigerant on the intermediate baffle 4 is divided into several sections, and are evenly distributed. Of course, in the above description, alternatively, the plurality of first liquid baffle plates 5 may be arranged at unequal intervals, and such adjustment and change of the arrangement of the first liquid baffle plates 5 do not limit the present invention, and should be limited within the protection scope of the present invention.
Preferably, the plurality of second liquid barriers 6 are disposed at equal intervals along the length direction of the lower case 3. Those skilled in the art can flexibly set the number of the second liquid barriers 6 on the lower box 3 in practical applications, as shown in fig. 1 and 2, all the second liquid barriers 6 are arranged parallel to each other, and the second liquid barriers 6 are arranged obliquely with respect to the width direction of the lower box 3, wherein the angle between the second liquid barriers 6 and the width direction of the lower box 3 can be flexibly set. By such an arrangement, the length of each second liquid film uniform section 61 is equal, and when the liquid refrigerant in the intermediate baffle 4 drops onto the lower box 3, the liquid refrigerant can be uniformly confined in each second liquid film uniform section 61, the liquid refrigerants in the respective second liquid film uniforming sections 61 are not flowed to each other by the barrier action of the second baffle 6, for example, when the front position of the lower case 3 shown in fig. 1 and 2 is lower than the rear position, without the second baffle 6, the liquid refrigerant in the lower box 3 flows from the rear side to the front side of the lower box 3, thereby causing the rear side of the lower box 3 to have no liquid refrigerant, causing the liquid refrigerant to be unevenly distributed, and when the second baffle 6 is provided, the liquid refrigerant on the lower box 3 is blocked by the corresponding second baffle 6 even if flowing forward, so that the liquid refrigerant on the lower box 3 is divided into several sections and uniformly distributed. Of course, in the above description, alternatively, a plurality of second baffles 6 may be disposed at unequal intervals, and such adjustment and change of the arrangement of the second baffles 6 do not limit the present invention, and should be limited within the protection scope of the present invention.
More preferably, the plurality of first liquid barriers 5 are disposed at equal intervals in the longitudinal direction of the intermediate barrier 4 and the plurality of second liquid barriers 6 are disposed at equal intervals in the longitudinal direction of the lower case 3. The liquid refrigerant that pressure cell 1 flowed out promptly can the equipartition on middle baffle 4, and the liquid refrigerant that middle baffle 4 flowed out can the equipartition on lower box 3, through such setting, can guarantee that lower box 3 flows out the liquid refrigerant on the heat exchanger tube bank can the equipartition on the heat exchanger tube bank, avoids partial heat exchanger tube bank liquid refrigerant to supply with inadequately, and then avoids taking place "dry combustion method" phenomenon.
Preferably, as shown in fig. 1 and 2, the width of the pressure cell 1 is gradually reduced in the flow direction of the liquid in the pressure cell 1. Because the restriction of the suction port position of the compressor, the liquid inlet pipe 12 is connected to one end of the pressure box 1, as in the structure shown in fig. 1 and 2, the liquid inlet pipe 12 is located at the rear side of the pressure box 1, the liquid refrigerant enters the pressure box 1 through the liquid inlet pipe 12 and flows forwards in the pressure box 1 from the back, and the width of the pressure box 1 is gradually reduced from the back to the front, so that the liquid refrigerant flowing out of the pressure box 1 can be uniformly distributed, namely uniformly dropped on the intermediate baffle 4. Of course, the above structure is only exemplary, and in practical applications, the liquid inlet pipe 12 may be connected to the front side of the pressure box 1, and the width of the pressure box 1 is gradually reduced from front to back. Those skilled in the art can flexibly set the specific structure of the pressure cell 1 in practical application as long as the liquid refrigerant in the pressure cell 1 can be uniformly dropped onto the intermediate baffle 4.
Preferably, the both ends of going up box 2 all are provided with air baffle 7, can play the isolation effect through air baffle 7, prevent that the refrigerant that does not exchange heat with the heat exchanger tube bank heat transfer from getting into the induction port of compressor, avoid breathing in and take liquid. In addition, the air baffle 7 can also be used as a connecting plate, namely the upper box 2 is fixed on the cylinder body through the air baffle 7.
Preferably, at least one side of the upper box 2 is provided with a third liquid baffle plate 8, and the third liquid baffle plate 8 is provided with a plurality of air holes. In practical applications, the third liquid baffle 8 may be disposed on one side of the upper box 2, or the third liquid baffles 8 may be disposed on both sides of the upper box 2 (as shown in fig. 1 and 2, one third liquid baffle 8 is disposed on each of the left and right sides of the upper box 2). Above box 2's both sides all set up third fender liquid board 8 for the example, and third fender liquid board 8 can be fixed in on box 2 (for example third fender liquid board 8 adopts the welding mode to connect on last box 2), certainly, more preferably, go up box 2's both sides and all form the hem, and the hem forms third fender liquid board 8, avoids welding hidden danger simultaneously difficult emergence deformation.
Preferably, both sides of the upper box 2 are provided with third liquid baffles 8, and both sides of the upper box 2 are further provided with fourth liquid baffles 9, fifth liquid baffles 10 and sixth liquid baffles 11, the fourth liquid baffles 9, the fifth liquid baffles 10 and the sixth liquid baffles 11 are arranged above the corresponding third liquid baffles 8 in a stacking manner, and the fourth liquid baffles 9, the fifth liquid baffles 10 and the sixth liquid baffles 11 are provided with a plurality of air holes. The plurality of air holes on the fourth liquid baffle 9, the plurality of air holes on the fifth liquid baffle 10, and the plurality of air holes on the sixth liquid baffle 11 may be square holes or circular holes, and taking the plurality of air holes on the fourth liquid baffle 9 as an example, the plurality of air holes may be sequentially arranged along the length direction of the fourth liquid baffle 9, and a person skilled in the art may flexibly set the arrangement manner of the plurality of air holes on the fourth liquid baffle 9, the plurality of air holes on the fifth liquid baffle 10, and the plurality of air holes on the sixth liquid baffle 11 in practical application, and the adjustment and change of the arrangement manner do not limit the present invention, and should be limited within the protection scope of the present invention.
Preferably, the fourth liquid baffle 9, the fifth liquid baffle 10 and the sixth liquid baffle 11 are arranged from bottom to top in sequence, the plurality of air holes on the fourth liquid baffle 9 and the plurality of air holes on the fifth liquid baffle 10 are arranged in a staggered manner, and the plurality of air holes on the fifth liquid baffle 10 and the plurality of air holes on the sixth liquid baffle 11 are also arranged in a staggered manner. As shown in fig. 1 and 2, the plurality of air holes on the fourth liquid baffle 9 and the plurality of air holes on the fifth liquid baffle 10 are arranged in a staggered manner, and the plurality of air holes on the fifth liquid baffle 10 and the plurality of air holes on the sixth liquid baffle 11 are also arranged in a staggered manner, so that the contact area and the contact time between the gaseous refrigerant after heat exchange of the heat exchange tube bundle and the fourth liquid baffle 9, the fifth liquid baffle 10 and the sixth liquid baffle 11 can be increased when the gaseous refrigerant sequentially passes through the fourth liquid baffle 9, the fifth liquid baffle 10 and the sixth liquid baffle 11, and the gas-liquid separation effect of the liquid homogenizing device is improved. Of course, it is more preferable that the plurality of air holes on the third liquid baffle 8 and the plurality of air holes on the fourth liquid baffle 9 are also arranged in a staggered manner, so that the contact area and the contact time between the gaseous refrigerant and the third liquid baffle 8 and the fourth liquid baffle 9 are further increased, and the gas-liquid separation effect of the liquid homogenizing device is further improved.
Preferably, a plurality of air holes on the sixth liquid baffle 11 and the air outlet of the cylinder of the liquid equalizing device are arranged in a staggered manner, and because the air suction port of the compressor is connected with the air outlet of the cylinder, the air holes and the air outlet on the sixth liquid baffle 11 are arranged in an avoiding manner, so that even if a small amount of liquid refrigerant exists in the gaseous refrigerant, the liquid refrigerant is not easy to enter the air suction port of the compressor from the air outlet of the cylinder, and the risk of air suction and liquid carrying of the compressor is further reduced.
Preferably, in the liquid equalizing device of the present invention, the pressure cell 1, the upper cell 2, the lower cell 3, the middle baffle 4, the second baffle 6, the third baffle 8, the fourth baffle 9, the fifth baffle 10 and the sixth baffle 11 are preferably made of 2-3.5mm plate members, the first baffle 5 is preferably made of 2-3mm plate members, and the first baffle 5 and the middle baffle 4, the second baffle 6 and the lower cell 3, and the fourth baffle 9, the fifth baffle 10 and the sixth baffle 11 are preferably connected to the upper cell 2 by spot welding, the opening edge of the lower cell 3 is preferably formed with a folded edge such that the welding portion of the lower cell 3 and the upper cell 2 is at the end of the folded edge to avoid welding deformation, and the diagonal corner section welding is preferably adopted between the pressure cell 1 and the upper cell 2 and between the upper cell 2 and the lower cell 3, the risk of welding deformation is further reduced when the welding effect is improved.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. The liquid homogenizing device is characterized by comprising a pressure box, an upper box, a lower box and at least one layer of middle baffle plate arranged between the upper box and the lower box, wherein the pressure box is arranged along the length direction of the upper box, and a plurality of liquid holes are densely distributed on a bottom plate of the pressure box, the middle baffle plate and the lower box;
the middle baffle plate is provided with a plurality of first liquid baffle plates, so that the middle baffle plate is divided into a plurality of first liquid film uniform sections;
and a plurality of second liquid baffles are arranged on the lower box, so that the lower box is divided into a plurality of second liquid film uniform sections.
2. The liquid equalizing device of claim 1, wherein the plurality of first liquid baffles are equally spaced along the length of the intermediate baffle.
3. The liquid equalizing device of claim 1, wherein the second liquid baffles are arranged at equal intervals along the length direction of the lower box.
4. The liquid equalizing device of claim 1, wherein the width of the pressure cell gradually decreases in a flow direction of the liquid in the pressure cell.
5. The liquid equalizing device of claim 1, wherein air baffles are arranged at both ends of the upper box.
6. The liquid equalizing device according to any one of claims 1 to 5, wherein at least one side of the upper box is provided with a third liquid baffle plate, and the third liquid baffle plate is provided with a plurality of air holes.
7. The liquid equalizing device according to claim 6, wherein the third liquid baffle is disposed on each of two sides of the upper box, and a fourth liquid baffle, a fifth liquid baffle and a sixth liquid baffle are disposed on each of two sides of the upper box, the fourth liquid baffle, the fifth liquid baffle and the sixth liquid baffle are disposed above the corresponding third liquid baffle in a stacked manner, and a plurality of air holes are disposed on the fourth liquid baffle, the fifth liquid baffle and the sixth liquid baffle.
8. The liquid equalizing device according to claim 7, wherein the fourth liquid baffle, the fifth liquid baffle and the sixth liquid baffle are sequentially arranged from bottom to top, the plurality of air holes on the fourth liquid baffle and the plurality of air holes on the fifth liquid baffle are arranged in a staggered manner, and the plurality of air holes on the fifth liquid baffle and the plurality of air holes on the sixth liquid baffle are also arranged in a staggered manner.
9. The liquid equalizing device of claim 8, wherein the plurality of air holes on the sixth liquid baffle are arranged in a staggered manner with respect to the air outlet of the cylinder of the liquid equalizing device.
10. An air conditioner, characterized in that the air conditioner comprises the liquid homogenizing device according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910730111.0A CN112344604A (en) | 2019-08-08 | 2019-08-08 | Liquid equalizing device and air conditioner |
| PCT/CN2020/092086 WO2021022870A1 (en) | 2019-08-08 | 2020-05-25 | Liquid uniformizing device and air conditioner |
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| CN201910730111.0A CN112344604A (en) | 2019-08-08 | 2019-08-08 | Liquid equalizing device and air conditioner |
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| CN112344604A true CN112344604A (en) | 2021-02-09 |
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| CN201910730111.0A Pending CN112344604A (en) | 2019-08-08 | 2019-08-08 | Liquid equalizing device and air conditioner |
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| CN (1) | CN112344604A (en) |
| WO (1) | WO2021022870A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124511A (en) * | 2021-04-29 | 2021-07-16 | 青岛海尔空调电子有限公司 | Liquid distributor, heat exchanger and air conditioner water chilling unit |
| CN114278994A (en) * | 2020-09-28 | 2022-04-05 | 青岛海尔空调电子有限公司 | Liquid distributor, evaporator and air conditioning system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116059660A (en) * | 2023-01-09 | 2023-05-05 | 山东大学 | Liquid distribution mechanism for falling film evaporator and falling film evaporator |
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| US5561987A (en) * | 1995-05-25 | 1996-10-08 | American Standard Inc. | Falling film evaporator with vapor-liquid separator |
| CN201897428U (en) * | 2010-12-02 | 2011-07-13 | 海尔集团公司 | Coolant distributor |
| CN204027084U (en) * | 2013-12-30 | 2014-12-17 | 麦克维尔空调制冷(武汉)有限公司 | A kind of downward film evaporator |
| CN207073971U (en) * | 2017-07-24 | 2018-03-06 | 江苏必领能源科技有限公司 | Falling film evaporator two-phase partitioning device |
| CN109341147A (en) * | 2018-10-15 | 2019-02-15 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner with it |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114278994A (en) * | 2020-09-28 | 2022-04-05 | 青岛海尔空调电子有限公司 | Liquid distributor, evaporator and air conditioning system |
| CN113124511A (en) * | 2021-04-29 | 2021-07-16 | 青岛海尔空调电子有限公司 | Liquid distributor, heat exchanger and air conditioner water chilling unit |
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| Publication number | Publication date |
|---|---|
| WO2021022870A1 (en) | 2021-02-11 |
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