CN205843135U - A modular evaporator structure and a combined base station air conditioner with it - Google Patents

Abstract

The utility model provides a modular evaporator structure and have its combined air conditioner, the evaporation refrigeration structure is installed inside the box, and divide into the first part that directly communicates with the opening of box to the inside accommodation space of box, and the second part that does not directly communicate with the opening, set up the ventilation hole that communicates with the second part on the box, be equipped with the air gap that communicates first part and second part on the evaporation refrigeration structure, along first part to second part direction, the thickness of evaporation refrigeration structure is basically the same, and one side arch bending towards the second part of evaporation refrigeration structure, in order to form the sunk space in the position towards the first part; an axial flow fan is installed at the opening position through the installation plate. The utility model discloses an evaporator structure refrigeration effect is good, and output of the amount of wind is big, can satisfy the refrigeration needs that have big space environment such as computer lab.

Description

A modular evaporator structure and a combined base station air conditioner with it

technical field

The utility model relates to the technical field of air conditioning equipment, in particular to a modular evaporator structure and a combined base station air conditioner with the structure.

Background technique

The computer room is composed of a large number of dense electronic components. To improve the stability and reliability of these devices, the temperature and humidity of the environment must be strictly controlled within a specific range. The base station air conditioner is a special air conditioner designed for modern electronic equipment rooms. Most base station air conditioners in the prior art are transformed from comfort air conditioners, with small air volume and low sensible heat ratio, making it difficult to meet the cooling needs of a specific environment such as a computer room.

Comfortable air conditioners generally use cross-flow fans or centrifugal fans as equipment for outputting air volume. For example, Chinese patent document CN104566646A discloses a cabinet-type air conditioner that uses cross-flow fans. The cross-flow fan blade is arranged directly, and the upper end of the cross-flow fan blade is provided with a motor for driving the cross-flow fan blade to rotate. An air duct cover plate is arranged between the motor and the cross-flow fan blade, and a motor gland is arranged on the top of the motor. The cover is connected with the air duct cover plate through the fixing device and clamps the motor inside it. This kind of cabinet air conditioner uses a cross-flow fan as the equipment for outputting air, and the air volume is small, so it is difficult to meet the cooling needs of the computer room with a large space environment.

The Chinese patent document CN1920309A discloses a cabinet-type air conditioner indoor unit using a centrifugal fan. The centrifugal fan includes an impeller and a volute. The volute is provided with an air inlet cavity and an air duct. A front disk is installed at the air inlet at the front of the air chamber, and the impeller is composed of 8-12 blades. There is a rectifying edge on the edge of the blade on the air inlet side of the impeller, and the rectifying edge is from the edge of the blade close to the outer diameter of the impeller to the Curls formed in the direction of impeller rotation. The indoor unit of this kind of cabinet air conditioner uses a centrifugal fan as the equipment for outputting air, and the air volume is still small, which cannot meet the cooling needs of a large space environment such as a computer room.

Utility model content

Therefore, the technical problem to be solved by the utility model is to overcome that the base station air conditioner in the prior art uses a cross-flow fan or a centrifugal fan as the equipment for outputting wind, which has poor cooling effect and small air volume output, which cannot meet the cooling requirements of large-space environments such as computer rooms. Therefore, it provides a modular evaporator structure with good cooling effect and large air volume output, which can meet the cooling needs of large space environments such as computer rooms.

The utility model also provides a combined base station air conditioner with the above-mentioned evaporator module structure.

For this reason, the utility model provides a modular evaporator structure, which is characterized in that: comprising:

The box body has an inner accommodation space and an opening communicating with the inner accommodation space;

An evaporative cooling structure, installed inside the internal storage space, divides the internal storage space into a first part directly connected with the opening, and a second part not directly connected with the opening; There are several ventilation holes communicating with the second part; the evaporative refrigeration structure is provided with several air gaps connecting the first part and the second part; along the direction from the first part to the second part, The thickness of the evaporative cooling structure is basically the same, and the side of the evaporative cooling structure facing the second part is convexly bent to form a concave space at the position facing the first part;

An axial flow fan is installed at the opening position through a mounting plate, and is used to suck air, so that the air entering the second part from the ventilation hole enters the first part after being cooled by the evaporative refrigeration structure, And finally sent out by the axial flow fan suction.

As a preferred solution, the inner wall of the evaporative refrigeration structure facing the first part together with the installation plate for installing the axial flow fan encloses and forms the closed first part.

As a preferred solution, the volume of the first part is 1.5-2.5 times the volume of the second part.

As a preferred solution, the cross-sectional shape of the evaporative cooling structure is V-shaped, trapezoidal or arc-shaped.

As a preferred solution, it further includes at least one dust shield arranged on the side of the evaporative cooling structure facing the second part.

As a preferred solution, the dust shield is arc-shaped, and a buffer space is formed between the dust shield and the side of the evaporative refrigeration structure facing the second part.

As a preferred solution, a plurality of axial flow fans are provided along the axial direction of the recessed space.

As a preferred solution, the box is in the shape of a cuboid, one rectangular side of the box is fully opened to form the opening, and the area of all axial fans installed on the mounting plate accounts for 60% of the area of the opening. -80%.

As a preferred solution, the evaporative refrigeration structure includes several cooling fins, and evaporation pipes passing through the cooling fins, the air gap is formed between two adjacent cooling fins, and the evaporation pipes have An external connection protruding from the tank to receive and output condensate.

The utility model also provides a combined base station air conditioner, including:

At least one compressor module, used to compress the low-temperature and low-pressure refrigerant into a high-temperature and high-pressure refrigerant;

At least one condensing module is used to cool the high-temperature and high-pressure refrigerant into a low-temperature and high-pressure refrigerant and release heat;

At least one evaporation module is used to evaporate the high-temperature and low-pressure refrigerant into a low-temperature and low-pressure refrigerant and release heat;

An electronic control module, used to control the operation of the compressor module, the condensation module and the evaporation module;

It is characterized in that: the evaporation module is the modular evaporator structure described in any one of claims 1-9.

The modular evaporator structure and the combined base station air conditioner provided by the utility model have the following advantages:

1. In the modular evaporator structure of the present utility model, the evaporative refrigeration structure is installed inside the box body, and the inner storage space of the box body is divided into a first part directly connected with the opening of the box body, and a second part not directly connected with the opening The second part, the box body is provided with a ventilation hole connected to the second part, and the evaporative cooling structure is provided with an air gap connecting the first part and the second part. Along the direction from the first part to the second part, the thickness of the evaporative cooling structure is basically the same , and the side of the evaporative cooling structure facing the second part is convex and bent to form a concave space at the position facing the first part; an axial fan is installed at the opening position through the mounting plate; the evaporative cooling structure is concave to form a concave space, forming a concave space facing The semi-enclosed structure of the first part, when the axial flow fan is working, attracts air from the ventilation hole into the second part, and then enters the first part through the air gap, during this process, the external air blows the low-temperature air originally located in the air gap To the first part, due to the larger space formed by the above-mentioned semi-enclosed structure, the axial flow fan cannot quickly draw away the air entering the first part, so that the newly entered air can be combined with the cold air originally located in the air gap. Heat exchange for a longer period of time, so that cold air with a lower temperature and more uniformity can be blown out; in addition, the newly entered air blows away the cold air in the air gap and re-occupies the air gap, which can be compared with the air gap with a larger temperature difference. The evaporative refrigeration structure is in contact with each other, thereby improving the heat exchange efficiency; the modular evaporator structure of the utility model adopts an axial flow fan, and compared with the cross-flow fan or centrifugal fan in the prior art, the air volume can Larger, faster cooling speed, high sensible heat efficiency.

2. In the modular evaporator structure of the present invention, the inner wall of the evaporative refrigeration structure facing the first part is enclosed with the installation plate to form a closed first part, which can prevent the low-temperature gas inside the first part from contacting the outer wall of the box to cause cooling loss .

3. In the modular evaporator structure of the present invention, at least one dust cover is provided on the side of the evaporative refrigeration structure facing the second part, which can filter the air entering the second part through the ventilation hole and then enter the first part , so as to prevent dust from clogging the air gap and make the airflow from the axial fan cleaner.

4. In the modular evaporator structure of the present invention, a buffer space is formed between the dust shield and the side of the evaporative refrigeration structure facing the second part, and the air entering the buffer space is very close to the evaporative refrigeration structure, which can be obtained in one step. Pre-cooling makes full use of the cooling capacity of the evaporative refrigeration structure; the dust cover also plays a role in preventing the loss of cooling capacity.

5. In the modular evaporator structure of the present invention, a plurality of axial flow fans can be installed along the axial direction of the recessed space, so as to further increase the air volume and increase the cooling speed.

6. The utility model also provides a combined base station air conditioner, including a compressor module, a condensation module, an evaporation module and an electric control module, wherein multiple compressor modules, condensation modules and evaporation modules can be combined according to needs, so as to meet different requirements. Refrigeration requirements, improve generalization, more flexible installation, no need to develop different types of air conditioners according to different refrigeration requirements; Adopt all the advantages brought by the above-mentioned modular evaporator structure.

Description of drawings

In order to more clearly illustrate the technical solutions in the prior art or the specific implementation of the present invention, the accompanying drawings used in the description of the prior art or the specific implementation are briefly introduced below, obviously, for those of ordinary skill in the art Generally speaking, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

Fig. 1 is a schematic diagram of the structure of the modular evaporator in Embodiment 1 of the present invention.

FIG. 2 is a cross-sectional view of FIG. 1 .

Fig. 3 is a schematic diagram of the installation position of the axial flow fan on the installation board.

Fig. 4 is a perspective view of the structure of the modular evaporator after removing the mounting plate and the axial fan.

Fig. 5 is a perspective view of the evaporative refrigeration structure.

FIG. 6 is an enlarged schematic view of the structure of part A in FIG. 5 .

Fig. 7 is a structural principle diagram of the combined base station air conditioner in Embodiment 2 of the present utility model.

Reference signs: 1-cabinet, 11-inner accommodation space, 111-first part, 112-second part, 12-opening, 13-ventilation hole, 2-evaporative cooling structure, 20-air gap, 21-recessed space , 22-radiating fin, 23-evaporation pipe, 24-external connection, 25-drain pipe, 26-water tray, 3-axial fan, 31-installation plate, 4-dust cover, 40-buffer space; 100 - compressor module, 200 - condensation module, 300 - evaporation module, 400 - four-way valve.

detailed description

The technical solution of the utility model is described below in conjunction with the accompanying drawings of the specification. Obviously, the following embodiments are not all embodiments of the utility model. Based on the embodiments described in the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making other creative efforts belong to the protection scope of the present utility model.

It should be noted that, in the description of the present utility model, the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance. In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not constitute conflicts with each other.

Example 1

This embodiment provides a modular evaporator structure, as shown in Figures 1-4, comprising: a box body 1 having an internal accommodation space 11, and an opening 12 communicating with the internal accommodation space 11; an evaporative refrigeration structure 2, Installed inside the internal storage space 11, the internal storage space 11 is divided into a first part 111 directly connected with the opening 12, and a second part 112 not directly connected with the opening 12; the box body 1 is provided with a number of ventilation holes 13 communicating with the second part 112; the evaporative cooling structure 2 is provided with a number of air gaps 20 communicating with the first part 111 and the second part 112; From one part 111 to the second part 112, the thickness of the evaporative cooling structure 2 is basically the same, and the side of the evaporative cooling structure 2 facing the second part 112 is convex and curved so as to face the first part 111. The position forms a recessed space 21; the axial flow fan 3 is installed at the position of the opening 12 through the mounting plate 31, and is used to suck air, so that the air entering the second part 112 from the ventilation hole 13 passes through the The evaporative refrigeration structure 2 enters the first part 111 after being cooled down, and is finally sucked out by the axial flow fan 3 .

In the modular evaporator structure of this embodiment, the evaporative refrigeration structure 2 is installed inside the box body 1, and divides the internal accommodation space 11 of the box body 1 into a first part 111 that is directly connected to the opening 12 of the box body 1, and is not connected to the first part 111. The opening 12 directly communicates with the second part 112, the box body 1 is provided with a ventilation hole 13 communicating with the second part 112, and the evaporative refrigeration structure 2 is provided with an air gap 20 communicating with the first part 111 and the second part 112. From one part 111 to the second part 112, the thickness of the evaporative refrigeration structure 2 is basically the same, and the side of the evaporative refrigeration structure 2 facing the second part 112 is convex and curved to form a concave space 21 at the position facing the first part 111; The mounting plate 31 is equipped with an axial flow fan 3 at the position of the opening 12; the evaporative cooling structure 2 is recessed to form a recessed space 21, forming a semi-enclosed structure facing the first part 111, when the axial flow fan 3 is working, the air is sucked from the ventilation hole 13 into the The second part 112 then enters the first part 111 through the air gap 20. During this process, the external air blows the low-temperature air originally located in the air gap 20 to the first part 111. Since the above-mentioned semi-enclosed structure forms a larger The axial flow fan 3 cannot quickly remove the air entering the first part 111, so that the newly entered air can exchange heat with the cold air originally located in the air gap 20 for a longer period of time, so that the blown air can be blown out with a higher temperature. Low and more uniform cold air; in addition, after the newly entered air blows away the cold air in the air gap 20, it re-occupies the air gap 20, and can contact the evaporative cooling structure 2 with a larger temperature difference, thereby improving the heat exchange efficiency The modular evaporator structure of this embodiment adopts the axial flow fan 3. Compared with the cross-flow fan or the centrifugal fan in the prior art, under the situation of occupying the same area, the air volume is larger, the cooling speed is faster, and the cooling speed is significantly higher. High thermal efficiency.

The inner wall of the evaporative refrigeration structure 2 facing the first part 111 and the mounting plate 31 for installing the axial fan 3 together form a closed first part 111, which can prevent low temperature inside the first part 111. The gas contacts the outer wall of the box body 1 to cause a loss of cooling capacity.

In this embodiment, the volume of the first part 111 is twice the volume of the second part 112. As a modified design solution, those skilled in the art can set it to 1.5-2.5 times, which can also achieve the purpose of the invention.

In this embodiment, as shown in FIGS. 5-6 , the cross-sectional shape of the evaporative cooling structure 2 is trapezoidal. As a modification, those skilled in the art can also design it as a V-shaped or arc-shaped.

As shown in FIG. 2 , it also includes at least one dust shield 4 arranged on the side of the evaporative refrigeration structure 2 facing the second part 112 . The dust shield 4 is arc-shaped, and a buffer space 40 is formed between the dust shield 4 and the side of the evaporative cooling structure 2 facing the second part 112 . The air entering the buffer space 40 is very close to the evaporative cooling structure 2, and can be pre-cooled first, making full use of the cooling capacity of the evaporative cooling structure 2; the dust cover 4 also plays a role in preventing the loss of cooling capacity.

Along the axial direction of the recessed space 21 , there are two axial flow fans 3 , and those skilled in the art can install one or three or four or five fans as required.

As shown in Figures 1, 2, and 4, the box body 1 is in the shape of a cuboid, and a rectangular side of the box body 1 is completely opened to form the opening 12, and all axial fans 3 installed on the mounting plate 31 The area accounts for 60-80% of the area of the opening 12, which is 70% in this embodiment.

As shown in Figures 5-6, the evaporative cooling structure 2 includes several cooling fins 22, and evaporation pipes 23 pierced on the cooling fins 22, and the air cooling structure 2 is formed between two adjacent cooling fins 22. The evaporating pipe 23 has an external connection portion 24 protruding from the tank 1 to receive and output condensate.

The modular evaporator structure of this embodiment is also equipped with an electric heating structure inside the first part 111. When the season changes to winter, in order to ensure the temperature in the machine room, the input of refrigerant into the evaporation pipe 23 can be stopped, and the electric heating structure can be turned on. The heating structure, the axial flow fan 3 sends out the air heated by the electric heating structure, so that the temperature in the machine room reaches the set temperature.

In the modular evaporator structure of this embodiment, a humidification structure is also provided inside the first part, and the humidification structure includes a wet film, and the wet film has ventilation holes, and is located above the wet film to input water into the wet film. The water delivery pipe, located below the wet film, is used to receive the water receiving tray 26 for receiving water, and guides the water falling on the water receiving tray 26 to the external drain pipe 25, and communicates with the drain pipe 25, The water discharged from the drain pipe 25 is reintroduced into the inside of the water delivery pipe to realize the power structure of water recycling. The water receiving tray 26 can also receive condensed water dripping from the heat sink 22 .

Example 2

This embodiment provides a combined base station air conditioner, as shown in FIG. 7 and referring to FIG. At least one module 200 is used to cool the high-temperature and high-pressure refrigerant into a low-temperature and high-pressure refrigerant and release heat; the evaporation module 300 is at least one and is used to evaporate the high-temperature and low-pressure refrigerant into a low-temperature and low-pressure refrigerant , and release heat; the electric control module is used to control the operation of the compressor module 100, the condensation module 200 and the evaporation module 300; the evaporation module 300 is the modular evaporator structure described in Embodiment 1 .

400 in the figure is a four-way valve, the solid line indicates the flow direction of the condensate during cooling, and the dotted line indicates the flow direction of the condensate during heating.

In the combined base station air conditioner provided in this embodiment, multiple compressor modules 100, condensing modules 200, and evaporating modules 300 can be combined according to needs, so as to meet different cooling requirements, improve generalization, and make installation more flexible. Develop different types of air conditioners according to the refrigeration requirements; in addition, the combined base station air conditioner in this embodiment adopts the modular evaporator structure in the embodiment, and also has all the advantages brought by the above-mentioned modular evaporator structure.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the present invention.

Claims (10)

1. a modular evaporation structure, it is characterised in that: including:

Casing (1), has interior accommodating space (11), and the opening (12) connected with described interior accommodating space (11)；

Sweat cooling structure (2), is arranged on described interior accommodating space (11) internal, is split by described interior accommodating space (11) For the Part I (111) directly connected with described opening (12), with the Part II directly not connected with described opening (12) (112)；The air vent (13) that some and described Part II (112) connects is offered on described casing (1)；Described sweat cooling Structure (2) is provided with the air gap (20) of the described Part I of some connections (111) and described Part II (112)；Along described A part (111) is to described Part II (112) direction, and the thickness of described sweat cooling structure (2) is essentially identical, described evaporation Refrigeration structure (2) is towards the side convex curved of described Part II (112), with in the position towards described Part I (111) Put formation dented space (21)；

Aerofoil fan (3), is arranged on described opening (12) position by installing plate (31), is used for aspirating air so that from described Air vent (13) enters into the air of described Part II (112), enters described the after described sweat cooling structure (2) is lowered the temperature A part (111), and finally sent by described aerofoil fan (3) suction.

Modular evaporation structure the most according to claim 1, it is characterised in that: the court of described sweat cooling structure (2) To the inwall of described Part I (111) together with being used for installing the installing plate (31) of described aerofoil fan (3), enclose formation envelope The described Part I (111) closed.

Modular evaporation structure the most according to claim 1 and 2, it is characterised in that: the appearance of described Part I (111) Amass 1.5-2.5 times for described Part II (112) volume.

Modular evaporation structure the most according to claim 1, it is characterised in that: the horizontal stroke of described sweat cooling structure (2) Cross sectional shape is V-arrangement, trapezoidal or circular arc.

Modular evaporation structure the most according to claim 1, it is characterised in that: also include being arranged on described sweat cooling At least one dust-blocking cover (4) towards described Part II (112) side of structure (2).

Modular evaporation structure the most according to claim 5, it is characterised in that: described dust-blocking cover (4) is circular arc, institute State formation cushion space between the side towards described Part II (112) of dust-blocking cover (4) and described sweat cooling structure (2) (40)。

Modular evaporation structure the most according to claim 1, it is characterised in that: axial along described dented space (21), Described aerofoil fan (3) is provided with multiple.

Modular evaporation structure the most according to claim 1, it is characterised in that: described casing (1) is cuboid, institute The oblong lateral surface stating casing (1) fully opens the described opening of formation (12), is arranged on the institute on described installing plate (31) The area having aerofoil fan (3) accounts for the 60-80% of described opening (12) area.

Modular evaporation structure the most according to claim 1, it is characterised in that: described sweat cooling structure (2) includes Some fin (22), and the evaporation tubes (23) being located on described fin (22), adjacent two described fin (22) forming described air gap (20) between, described evaporation tubes (23) has and stretches out described casing (1) to receive and to export cold The external connection portion (24) of lime set.

10. a combination type base station air conditioner, including:

Compressor module (100), at least one, for becoming the cold-producing medium of High Temperature High Pressure by the refrigerant compression of low-temp low-pressure；

Condensation module (200), at least one, for the cold-producing medium of High Temperature High Pressure being cooled into the cold-producing medium of cryogenic high pressure, And discharge heat；

Evaporation module (300), becomes the cold-producing medium of low-temp low-pressure for being evaporated by the cold-producing medium of high-temperature low-pressure by least one, And discharge heat；

Electronic control module, is used for controlling described compressor module (100), described condensation module (200) and described evaporation module (300) Work；

It is characterized in that: described evaporation module (300) is the modular evaporation structure according to any one of claim 1-9.