CN213955447U - Vertical cabinet type indoor unit with air outlet flow guide grid - Google Patents

Abstract

The utility model relates to a vertical cabinet type indoor set with air outlet guide grid, it includes quick-witted case, evaporimeter, fan, sets up at exhaust fan leaf inboard and along the electrothermal tube that exhaust fan leaf length direction extends, set up a plurality of heat transfer fins on the electrothermal tube side by side, wherein forms closed water conservancy diversion chamber from top to bottom between every two adjacent heat transfer fins, and a plurality of water conservancy diversion chambers are the grid form side by side, and cover the air outlet that exhaust fan leaf formed. When the utility model is used for refrigeration, the air flow at the air outlet is prevented from flowing disorderly through the grid formed by the diversion cavity, and the air outlet efficiency is improved; when heating, the gas that blows out is directly heated through electrothermal tube and heat transfer fin, so, can blow out the warm braw fast.

Description

Vertical cabinet type indoor unit with air outlet flow guide grid

Technical Field

The utility model belongs to the air-cooler field, concretely relates to vertical cabinet type indoor set with air outlet guide grid.

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. in winter, because the refrigerant is easy to freeze, a certain time is required for evaporation, and then a small amount of condensing medium enters a condenser of the indoor unit, so that the indoor unit can blow out hot air for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a modified has the floor standing cabinet type indoor set of the water conservancy diversion grid of giving vent to anger.

For solving the technical problem, the utility model discloses take following technical scheme:

a vertical cabinet type indoor unit with an air outlet guide grid comprises:

a case having an intake passage and exhaust fan blades;

an evaporator that exchanges a passing airflow;

a fan for guiding the heat-exchanged air flow to the air outlet,

particularly, the indoor unit further comprises an electric heating tube arranged on the inner side of the exhaust fan blade and extending along the length direction of the exhaust fan blade, and a plurality of heat exchange fins arranged on the electric heating tube side by side, wherein a flow guide cavity which is closed up and down is formed between every two adjacent heat exchange fins, and the flow guide cavities are in a grid shape side by side and cover an air outlet formed by the exhaust fan blade.

Preferably, the diversion cavity extends vertically and is perpendicular 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.

According to the utility model discloses a concrete implementation and preferred aspect, every heat transfer fin includes the piece body, forms the board of bending on piece body top and bottom and the board of bending down, and every two adjacent piece bodies, and bend the board on and bend down and form a water conservancy diversion chamber between the board.

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.

Specifically, the cross section of the diversion 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.

According to a further embodiment and preferred aspect of the invention, the electrical heating tubes are three in number and are arranged parallel to each other, wherein each electrical heating tube is arranged perpendicular to the side by side grid. The heating can be optimally realized, and warm air can be quickly blown out conveniently in winter.

Preferably, the indoor unit further comprises a first connecting lug and a second connecting lug which are arranged at two ends of the electric heating tube and are in insulation connection with the electric heating tube. And the insulation installation is ensured.

Specifically, the first connecting lug and the second connecting lug are symmetrically arranged and comprise a first panel and a second panel, the first panel is arranged in parallel with the flow guide cavity, the second panel extends from one side of the first panel along the length direction of the electric heating tube, the first panel is connected with the electric heating tube through an insulating piece, and the second panel is connected with the side wall of the case corresponding to the air outlet.

In addition, the machine case comprises a heat exchange area positioned at the lower part, an air outlet area positioned at the middle part and an electric element mounting area positioned at the upper part, the evaporator is plate-shaped and is obliquely arranged in the heat exchange area, and the fan is positioned in the air outlet area and is communicated with the heat exchange area from the air inlet. The vertical cabinet type layout and the inclined arrangement of the evaporator reduce the volume and occupy small space.

Preferably, the angle formed by the evaporator and the horizontal direction is 30-60 degrees. The heat exchange of gas is facilitated, and the collection and the discharge of water are also facilitated.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

when the utility model is used for refrigeration, the air flow at the air outlet is prevented from flowing disorderly through the grid formed by the diversion cavity, and the air outlet efficiency is improved; when heating, the gas that blows out is directly heated through electrothermal tube and heat transfer fin, so, can blow out the warm braw fast.

Drawings

The invention will be described in further detail with reference to the following drawings and specific embodiments:

fig. 1 is a schematic structural view of a vertical cabinet type indoor unit of an air cooler of the present invention;

FIG. 2 is a schematic structural view of FIG. 1 with a partial shell removed;

FIG. 3 is a schematic front view of the electric heating tube and the heat exchanging fin of the present invention;

FIG. 4 is a schematic bottom view of FIG. 3;

wherein: 1. a chassis; 1a, a heat exchange zone; 1b, an air outlet area; 1c, a mounting area;

2. an evaporator;

3. a fan;

4. an electric heating tube;

5. heat exchange fins; 50. a sheet body; 51. upwards bending the plate; 52. a lower bending plate;

6. a first connecting lug; 61. a first panel; 62. a second panel; 63. an insulating member;

7. a second engaging lug;

q, a flow guide cavity; s, exhaust fan blades; p, a water drainage pipe; j1, first linker; j2, second linker.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "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, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present 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," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. 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 and 2, the present embodiment relates to a vertical indoor unit of an air cooler, which includes a chassis 1, an evaporator 2, a fan 3, an electrothermal tube 4, and a plurality of heat exchange fins 5 arranged on the electrothermal tube 4 side by side.

Specifically, the cabinet 1 includes a heat exchange area 1a located at a lower portion, an air outlet area 1b located at a middle portion, and an electric component mounting area 1c located at an upper portion.

In this embodiment, the air inlet channel is located at the bottom of the case 1, the exhaust fan blades s are located at the outlet of the air outlet area 1b and can be arranged in a relatively swinging manner, of course, the air outlet flow direction is changed, and swinging blades can be arranged.

The evaporator 2 exchanges the passing air flow, and exchanges the passing air flow through the principle of evaporation and heat absorption when refrigerating; on the contrary, when heating, the passing gas exchanges heat by the principle of condensation heat release.

In this example, the evaporator 2 is of the plate type and is disposed obliquely in the heat exchange area.

Specifically, the evaporator 2 forms an angle of 45 ° with the horizontal direction. The heat exchange of gas is facilitated, and the collection and the discharge of water are also facilitated.

A collecting tank, a drainage pump and a drainage pipe p are respectively formed in the case 1 and used for draining condensed water out of the case 1.

And the fan 3 is used for guiding the heat-exchanged air flow to the air outlet, and specifically, the fan 3 is positioned in the air outlet area 1b and communicated with the heat exchange area 1a from the air inlet.

The electric heating tube 4 is disposed inside the exhaust fan blade s and extends along the length direction of the exhaust fan blade s.

Referring to fig. 3, in this embodiment, three electric heating tubes 4 are provided and are arranged in parallel.

A plurality of heat exchanging fins 5 are arranged side by side on the electric heating tube 4, wherein each heat exchanging fin 5 comprises a fin body 50, an upper bent plate 51 and a lower bent plate 52 formed at the top and the bottom of the fin body 50.

Every two adjacent sheet bodies 50, the upper bending plate 51 and the lower bending plate 52 form a flow guide cavity q, and the flow guide cavities q are arranged side by side in a grid shape 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 51 and the lower bending plate 52 are respectively bent inward from the top and bottom sides of the sheet body 50. 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 bending plate 51 and the lower bending plate 52 are fixed on the same side of the same body 50. 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 addition, in order to facilitate the insulation installation of the electric heating tube 4 and the heat exchange fins 5, in this example, a first connecting lug 6 and a second connecting lug 7 are arranged at two ends of the electric heating tube 4 and are in insulation connection with the electric heating tube 4. And the insulation installation is ensured.

Specifically, the first engaging lug 6 and the second engaging lug 7 are symmetrically arranged.

The first connecting lug 6 comprises a first panel 61 arranged in parallel with the diversion cavity q, and a second panel 62 extending from one side of the first panel 61 along the length direction of the electrothermal tube 4, wherein the first panel 61 is connected with the electrothermal tube 4 through an insulating member 63, and the second panel 62 is connected with the side wall of the chassis 1 corresponding to the air outlet.

The structure of the second engaging lug 7 is not repeated here, as is known from the symmetry principle.

In this example, a first joint j1 and a second joint j2 are also provided at the bottom of the cabinet 1, wherein the first joint j1 is in communication with the medium inlet of the evaporator 2; the second joint j2 communicates with the medium outlet of the evaporator 2.

In summary, the implementation process of the present embodiment is as follows:

when refrigeration is needed, heat is absorbed by evaporation of a medium, the gas sucked from the gas inlet channel is quickly subjected to heat exchange with the evaporator 2 under the action of the fan 3, the gas after heat exchange enters the air outlet area, and then the cold air is quickly blown out by the air outlet guide grid;

in the same way, when heating, the principle is opposite to it, evaporimeter 2 is the condenser, and gas heat transfer process is the heat dissipation, therefore, at first, can not have steam, this moment, 3 gaseous heat transfer district that send into electrothermal tube 4 and heat transfer fin 5 formation of fan for the heat on the heat transfer fin 5 is taken away to the gas that blows off, and then realize going out hot-blast fast, moreover, the water conservancy diversion grid of giving vent to anger this moment still has the effect that prevents that the air current from scurrying indiscriminately, and then realize that a start can implement and heat, thereby satisfy the production needs.

Therefore, the present embodiment has the following advantages:

1. through the arrangement of the grid-shaped flow guide cavity, air flow at the air outlet can be effectively prevented from flowing disorderly no matter heating or refrigerating, and the air outlet efficiency is improved;

2. when heating, the gas blown out is directly heated by the electric heating tube and the heat exchange fins, so that warm air can be blown out quickly;

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, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. A vertical cabinet type indoor unit with an air outlet guide grid comprises:

a case having an intake passage and exhaust fan blades;

an evaporator that exchanges a passing airflow;

a fan for guiding the heat-exchanged air flow to the air outlet,

the method is characterized in that:

the indoor set is still including setting up exhaust fan leaf inboard and along the electrothermal tube that exhaust fan leaf length direction extends, set up side by side a plurality of heat transfer fin on the electrothermal tube, wherein every adjacent two closed water conservancy diversion chamber about forming between the heat transfer fin is a plurality of the water conservancy diversion chamber is the grid form side by side, and will the air outlet that exhaust fan leaf formed covers.

2. The cabinet indoor unit of claim 1, wherein: the flow guide cavity extends vertically and is perpendicular to the length direction of the exhaust fan blades.

3. The cabinet indoor unit with an air outlet guide grille according to claim 1 or 2, wherein: every heat transfer fin includes the piece body, forms at the last board of bending and the board of bending down of piece body top and bottom, and every adjacent two the piece body reaches and bends and form a water conservancy diversion chamber between the board of bending down and the board.

4. The cabinet indoor unit of claim 3, 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.

5. The cabinet indoor unit of claim 4, wherein: the upper bending plate and the lower bending plate are fixed on the same side of the same sheet body.

6. The cabinet indoor unit of claim 5, wherein: the section of the flow guide cavity is trapezoidal or hexagonal with two trapezoids communicated from the upper bottom.

7. The cabinet indoor unit of claim 1, wherein: the number of the electric heating tubes is three, the electric heating tubes are arranged in parallel, and each electric heating tube is perpendicular to the grids which are arranged side by side.

8. The cabinet indoor unit of claim 1, wherein: the indoor unit further comprises a first connecting lug and a second connecting lug which are arranged at two ends of the electric heating tube and are in insulation connection with the electric heating tube.

9. The cabinet indoor unit of claim 8, wherein: the first connecting lug and the second connecting lug are symmetrically arranged and comprise a first panel and a second panel, the first panel is arranged in parallel with the flow guide cavity, the second panel extends from one side of the first panel along the length direction of the electric heating tube, the first panel is connected with the electric heating tube through an insulating part, and the second panel is connected with the side wall of the case corresponding to the air outlet.

10. The cabinet indoor unit of claim 1, wherein: the machine case is including being located the heat exchange district of lower part, being located the air-out district at middle part and being located the electric elements installing zone on upper portion, the evaporimeter is platelike, and the slope sets up the heat exchange district, the fan be located the air-out district and from the air intake with the heat exchange district is linked together.

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