CN112781106A - Evaporating system of vertical cabinet type indoor unit - Google Patents

Evaporating system of vertical cabinet type indoor unit Download PDF

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Publication number
CN112781106A
CN112781106A CN202011632023.6A CN202011632023A CN112781106A CN 112781106 A CN112781106 A CN 112781106A CN 202011632023 A CN202011632023 A CN 202011632023A CN 112781106 A CN112781106 A CN 112781106A
Authority
CN
China
Prior art keywords
heat exchange
indoor unit
exchange tube
medium
evaporation system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011632023.6A
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Chinese (zh)
Inventor
吴代华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhangjiagang Huao Special Refrigeration Equipment Co ltd
Original Assignee
Zhangjiagang Huao Special Refrigeration Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhangjiagang Huao Special Refrigeration Equipment Co ltd filed Critical Zhangjiagang Huao Special Refrigeration Equipment Co ltd
Priority to CN202011632023.6A priority Critical patent/CN112781106A/en
Publication of CN112781106A publication Critical patent/CN112781106A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • 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

Abstract

The invention relates to an evaporation system of a vertical cabinet type indoor unit, which comprises an evaporator with a medium inlet and a medium outlet, a heat exchange pipe arranged on the inner side of an exhaust fan blade of the indoor unit, and a plurality of heat exchange fins arranged on the heat exchange pipe, wherein the medium inlet of the heat exchange pipe is communicated with the medium inlet of the evaporator through a flow valve, each heat exchange fin comprises a fin body, an upper bending plate and a lower bending plate which are formed at the top and the bottom of the fin body, a flow guide cavity is formed between every two adjacent fin bodies and between the upper bending plate and the lower bending plate, and the flow guide cavities are in a grid shape side by side and cover an air outlet formed by the exhaust fan blade. On one hand, the grid-shaped flow guide cavity is arranged, so that airflow at an air outlet is prevented from flowing disorderly, and the air outlet efficiency is improved; on the other hand, the heat exchange fins additionally arranged through the air outlet can further exchange heat again for the gas after heat exchange, and further the refrigeration effect is improved.

Description

Evaporating system of vertical cabinet type indoor unit
Technical Field
The invention belongs to the field of air coolers, and particularly relates to an evaporation system of a vertical cabinet type indoor unit.
Background
The air cooler is divided into an industrial air cooler and a household air cooler, the industrial air cooler is generally used in a refrigeration house and a cold chain logistics refrigeration environment, the household air cooler is also called as a water-cooled air conditioner, and the air cooler is an evaporative cooling and ventilating unit integrating cooling, ventilating, dust prevention and smell removal.
Among the air coolers in the refrigeration industry, the split vertical cabinet type air cooler is the most common air cooler, and is mainly used for cooling the interior of a mobile equipment cab, an operation room and an electric room (room) with the ambient temperature of less than 75 ℃, so that the interior of the mobile equipment cab, the operation room and the electric room (room) can be kept at 22-35 ℃.
Specifically, the air cooler includes an indoor unit and an outdoor unit, wherein an air path formed by an evaporator and a condenser circulates to perform heat exchange of air under evaporation and condensation of a medium, thereby achieving a cooling or heating effect (that is, the working principle thereof is the same as that of an air conditioner).
However, during cooling, the cold air after heat exchange passes through the air grille and is blown out through the guide of the fan blades under the pumping of the fan, so as to realize indoor cooling.
However, the existing indoor unit has the following obvious defects:
1. because the upper end and the lower end of the grating are open for processing, when gas passes through an airflow channel formed by the grating, the gas can flee out from the upper part and the lower part, and airflow is formed in the air outlet cavity, so that the air outlet efficiency is influenced, and the refrigerating effect is poor;
2. because gaseous heat transfer back, through the direction of fan, cold wind does not discharge from the flabellum fast, so, can cause cold wind and sneak into the gas mixture of air-out district, cause the condensation effect poor, what inevitably brought is use cost height.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an improved evaporation system of a vertical cabinet type indoor unit.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an evaporating system of vertical cabinet type indoor set, it is including the evaporimeter that has medium entry and medium export, the heat exchange tube of setting in the exhaust fan leaf inboard of indoor set, and set up a plurality of heat transfer fins on the heat exchange tube, wherein the medium entry of heat exchange tube is linked together through the flow valve with the medium entry of evaporimeter, every heat transfer fin includes the piece body, form the board of bending on piece body top and bottom and bend the board down, and every two adjacent piece bodies, and bend on and form a water conservancy diversion chamber between board and the board of bending down, a plurality of water conservancy diversion chambeies are the grid form side by side, and cover the air outlet that exhaust fan leaf formed.
Preferably, the medium outlet of the heat exchange tube is communicated with the medium outlet of the evaporator. Therefore, through the mode of reposition of redundant personnel, under same outer machine, earlier through evaporimeter and gas heat transfer, then carry out the heat transfer again to the gas after the heat transfer through the medium of reposition of redundant personnel to improve cryogenic effect.
According to a particular embodiment and preferred aspect of the invention, the ratio of the medium flow entering the heat exchange tubes to the medium flow entering the evaporator is 1: 5 to 10. To ensure the best refrigeration effect under the best flow-dividing mode.
Preferably, the heat exchange tube is a serpentine tube and has a horizontal portion perpendicular to the fin body, and the medium inlet of the heat exchange tube is located above the medium outlet of the heat exchange tube.
Further, the medium inlet of the evaporator is positioned at the same side of the medium inlet of the heat exchange tube, and the medium outlet of the evaporator is positioned at the same side of the medium outlet of the heat exchange tube. Facilitating the flow of the medium.
According to a further embodiment and preferred aspect of the present invention, the guide chamber extends vertically and perpendicularly to the length direction of the exhaust fan blade. At this moment, the effect of heat transfer is best, also is convenient for better air-out simultaneously.
Preferably, the upper bending plate and the lower bending plate are respectively bent inwards from the side edges of the top and the bottom of the sheet body. On one hand, avoidance is formed to facilitate the installation of the components; on the other hand, the possibility of channeling is further reduced by changing the shape of the airflow cavity, and the heat exchange efficiency is further improved.
Furthermore, the upper bending plate and the lower bending plate are fixed on the same side of the same body. Thus, the fins can be integrally formed and processed conveniently.
The section of the flow guide cavity is trapezoidal or hexagonal with two trapezoids communicated from the upper bottom. Therefore, the flow guide cavity can be selected according to the actual air volume and the heat exchange effect so as to enhance the general performance of the component.
In addition, the evaporator is plate-shaped and is obliquely arranged at the bottom of the vertical cabinet, and the evaporation system also comprises a drainage component for collecting water drops formed by evaporation and draining the water drops out of the indoor unit.
The drain part includes a drain line, a drain tank, and a drain pump.
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
on one hand, the grid-shaped flow guide cavity is arranged, so that airflow at an air outlet is prevented from flowing disorderly, and the air outlet efficiency is improved; on the other hand, the heat exchange fins additionally arranged through the air outlet can further exchange heat again for the gas after heat exchange, and further the refrigeration effect is improved.
Drawings
The invention is described in further detail below with reference to the following figures and specific examples:
fig. 1 is a schematic structural view of a cabinet type indoor unit of an air cooler according to the present invention (with a partial casing removed);
FIG. 2 is a schematic view showing the communication relationship between the evaporator and the heat exchange tube of the present invention;
FIG. 3 is a schematic front view of a heat exchange tube and heat exchange fins of the present invention;
FIG. 4 is a schematic bottom view of FIG. 3;
wherein: 1. an evaporator; 1a, a medium inlet; 1b, a medium outlet;
2. a heat exchange pipe; 2a, a medium inlet; 2b, a medium outlet;
3. heat exchange fins; 30. a sheet body; 31. upwards bending the plate; 32. a lower bending plate; q, a flow guide cavity;
4. a flow valve;
5. a drainage member; 50. a drain line; 51. draining pump;
j1, first linker; j2, second linker; .
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacted with the first and second features, or indirectly contacted with the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
As shown in fig. 1, the present embodiment relates to an evaporation system of a cabinet type indoor unit, which includes an evaporator 1 having a medium inlet 1a and a medium outlet 1b, a heat exchange tube 2 disposed inside a discharge fan blade s of the indoor unit, and a plurality of heat exchange fins 3 disposed on the heat exchange tube 2.
As shown in fig. 2, the medium inlet 2a of the heat exchange tube 2 is communicated with the medium inlet 1a of the evaporator 1 through a flow valve 4, and the medium outlet 2b of the heat exchange tube 2 is communicated with the medium outlet 1b of the evaporator 1. Therefore, through the mode of reposition of redundant personnel, under same outer machine, earlier through evaporimeter and gas heat transfer, then carry out the heat transfer again to the gas after the heat transfer through the medium of reposition of redundant personnel to improve cryogenic effect.
Specifically, the heat exchange tube 2 is a serpentine tube, the medium inlet 2a of the heat exchange tube 2 is located above the medium outlet 2b of the heat exchange tube 2, and the medium inlet 2a and the medium outlet 2b are located at opposite ends.
The medium inlet 1a of the evaporator 1 is positioned at the same side of the medium inlet 2a of the heat exchange tube 2, and the medium outlet 1b of the evaporator 1 is positioned at the same side of the medium outlet 2b of the heat exchange tube 2. Facilitating the flow of the medium.
In this example, the ratio of the medium flow entering the heat exchange tube 2 to the medium flow entering the evaporator 1 is 1: 6. to ensure the best refrigeration effect under the best flow-dividing mode.
As shown in fig. 3, a plurality of heat exchange fins 3 are arranged side by side on the heat exchange tube 4, wherein each of the heat exchange fins 3 comprises a fin body 30, an upper bent plate 31 and a lower bent plate 32 formed at the top and bottom of the fin body 30.
Every two adjacent sheet bodies 30, the upper bending plate 31 and the lower bending plate 32 form a flow guide cavity q, and the flow guide cavities q are arranged in a grid shape side by side and cover an air outlet formed by the exhaust fan blades s.
The flow guide cavity q extends vertically and is vertical to the length direction of the exhaust fan blade s. At this moment, the effect of heat transfer is best, also is convenient for better air-out simultaneously.
As shown in fig. 4, the upper bending plate 31 and the lower bending plate 32 are respectively bent inward from the top and bottom sides of the sheet body 30. On one hand, avoidance is formed to facilitate the installation of the components; on the other hand, the possibility of channeling is further reduced by changing the shape of the airflow cavity, and the heat exchange efficiency is further improved.
In this example, the upper bent plate 31 and the lower bent plate 32 are fixed on the same side of the same body 30. Thus, the fins can be integrally formed and processed conveniently.
The section of the flow guide cavity q is trapezoidal or hexagonal with two trapezoids communicated from the upper bottom. Therefore, the flow guide cavity can be selected according to the actual air volume and the heat exchange effect so as to enhance the general performance of the component.
In this example, a first joint j1 and a second joint j2 are formed at one side of the lower portion of the cabinet 1, wherein the first joint j1 is communicated with the flow valve 4, and the second joint j2 is communicated with the medium outlet 1b of the evaporator 1 and the medium outlet 2b of the heat exchange tube 2.
In addition, the evaporator 1 is plate-shaped and is arranged at the bottom of the vertical cabinet in an inclined way, and the evaporation system also comprises a drainage component 5 for collecting and draining water drops formed by evaporation outside the indoor unit.
The drain part 5 includes a drain line 50, a drain tank, and a drain pump 51.
In summary, the implementation process of the present embodiment is as follows:
when refrigeration is needed, the medium enters a compressor according to the following ratio of 1: 6, flow to heat exchange tube 2 and evaporimeter 1 respectively, absorb the heat by the evaporation of medium, under the effect of fan, will carry out the heat exchange with evaporimeter 1 earlier from the inspiratory gas of inlet channel fast, the gas after the heat exchange gets into the air-out district, carries out the heat exchange by heat exchange fin 3 that the air outlet set up again, and then improves refrigeration effect by a wide margin.
In the same way, during heating, the principle is opposite to that of the evaporator 1, the heat exchange tube 2 is a condenser tube, and the gas heat exchange process is heat dissipation.
Therefore, the present embodiment has the following advantages:
1. the grid-shaped flow guide cavity is arranged, so that airflow at an air outlet is prevented from flowing disorderly, and the air outlet efficiency is improved;
2. the heat exchange fins additionally arranged at the air outlet can further exchange heat again for the gas after heat exchange, so that the refrigeration effect is improved;
3. the vertical cabinet type layout and the inclined arrangement of the evaporator reduce the volume and occupy small space.
The present invention has been described in detail in order to enable those skilled in the art to understand the invention and to practice it, and it is not intended to limit the scope of the invention, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the present invention.

Claims (10)

1. An evaporation system of a vertical cabinet type indoor unit, which comprises an evaporator with a medium inlet and a medium outlet, and is characterized in that: the evaporation system further comprises a heat exchange tube arranged on the inner side of an exhaust fan blade of the indoor unit and a plurality of heat exchange fins arranged on the heat exchange tube, wherein a medium inlet of the heat exchange tube is communicated with a medium inlet of the evaporator through a flow valve, each heat exchange fin comprises a piece body, an upper bending plate and a lower bending plate which are formed at the top and the bottom of the piece body, every two adjacent pieces of the piece body, the upper bending plate and the lower bending plate form a flow guide cavity, and the flow guide cavities are grid-shaped side by side and cover an air outlet formed by the exhaust fan blade.
2. The evaporation system of a cabinet indoor unit according to claim 1, wherein: and a medium outlet of the heat exchange tube is communicated with a medium outlet of the evaporator.
3. The evaporation system of a cabinet indoor unit according to claim 2, wherein: the ratio of the medium flow entering the heat exchange tube to the medium flow entering the evaporator is 1: 5 to 10.
4. The evaporation system of a cabinet indoor unit according to claim 3, wherein: the heat exchange tube is a coiled tube and is provided with a horizontal part vertical to the fin body, and a medium inlet of the heat exchange tube is positioned above a medium outlet of the heat exchange tube.
5. The evaporation system of a cabinet indoor unit according to claim 4, wherein: the medium inlet of the evaporator is positioned at the same side of the medium inlet of the heat exchange tube, and the medium outlet of the evaporator is positioned at the same side of the medium outlet of the heat exchange tube.
6. The evaporation system of a cabinet indoor unit according to claim 1, wherein: the flow guide cavity extends vertically and is vertical to the length direction of the exhaust fan blade.
7. The evaporation system of a cabinet indoor unit according to claim 6, wherein: the upper bending plate and the lower bending plate are respectively arranged from the top and the side edge of the bottom of the sheet body in an inward bending mode.
8. The evaporation system of a cabinet indoor unit according to claim 7, wherein: the upper bending plate and the lower bending plate are fixed on the same side of the same sheet body.
9. The evaporation system of a cabinet indoor unit according to claim 8, wherein: the section of the flow guide cavity is trapezoidal or hexagonal with two trapezoids communicated from the upper bottom.
10. The evaporation system of a cabinet indoor unit according to claim 1, wherein: the evaporator is plate-shaped and is obliquely arranged at the bottom of the vertical cabinet, and the evaporation system also comprises a drainage component which is used for collecting water drops formed by evaporation and discharging the water drops out of the indoor unit.
CN202011632023.6A 2020-12-31 2020-12-31 Evaporating system of vertical cabinet type indoor unit Pending CN112781106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011632023.6A CN112781106A (en) 2020-12-31 2020-12-31 Evaporating system of vertical cabinet type indoor unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011632023.6A CN112781106A (en) 2020-12-31 2020-12-31 Evaporating system of vertical cabinet type indoor unit

Publications (1)

Publication Number Publication Date
CN112781106A true CN112781106A (en) 2021-05-11

Family

ID=75754777

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011632023.6A Pending CN112781106A (en) 2020-12-31 2020-12-31 Evaporating system of vertical cabinet type indoor unit

Country Status (1)

Country Link
CN (1) CN112781106A (en)

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