CN215983536U - Case of air-cooled water chiller - Google Patents

Abstract

The utility model belongs to the technical field of refrigeration, and discloses a case of an air-cooled water chiller. This quick-witted case of air-cooled cold water machine includes the frame, roof and water tray, wherein, the frame includes the base and sets up the support frame on the base border, the roof sets up at the top of frame and links to each other with the support frame, be provided with the fan on the roof, the water tray sets up in the frame, and the water tray is located between roof and the base, be equipped with the supporting seat in the water tray, the supporting seat is used for fixed condenser, and the degree of depth less than or equal to the height of supporting seat of water tray, set up the ventilation hole on the support frame, the return air passageway of air-cooled cold water machine has been optimized, the air inlet area of air-cooled cold water machine has been increased, accelerate condenser bottom and air flow all around, the radiating efficiency of condenser has been improved, avoid the condenser part to be sheltered from simultaneously and make the frosting phenomenon that shelters from the department heat and can't in time distribute away and lead to, improve the reliability of condenser work.

Description

Case of air-cooled water chiller

Technical Field

The utility model relates to the technical field of refrigeration, in particular to a case of an air-cooled water chiller.

Background

The industrial water chiller is divided into a water-cooled water chiller and an air-cooled water chiller, the air-cooled water chiller adopts an air cooling mode, a cooling tower, a cooling water pump and a pipeline system which are necessary for a cooling water system are omitted, the scaling and water pipe blockage of a condenser in an area with poor water quality are avoided, water resources are saved, and the industrial water chiller is the most economical and simple machine type for maintenance in a cold water air conditioning equipment product.

The air-cooled water chiller is characterized in that low-temperature and low-pressure refrigerant gas after evaporation and refrigeration is sucked by a compressor and then compressed into high-temperature and high-pressure gas to be sent to a condenser; the high-temperature high-pressure gas is cooled by a condenser and then condensed into normal-temperature high-pressure liquid, the normal-temperature high-pressure liquid flows into a thermostatic expansion valve, is throttled into low-temperature low-pressure wet steam, flows into a shell-tube evaporator, and absorbs the heat of the chilled water in the evaporator to lower the temperature of the water; the evaporated refrigerant is sucked back into the compressor, and the next refrigeration cycle is repeated, so that the refrigeration purpose is realized.

The air-cooled water chiller is a water chiller using a built-in fan as a heat dissipation device and mainly comprises a refrigeration system, a water circulation system and a heat exchange system, wherein the heat exchange system mainly comprises a condenser and the fan. The heat exchange system exchanges heat between normal-temperature water and refrigerating fluid (usually fluorine) to reduce the water temperature, then introduces the refrigerating fluid heated after heat exchange into the condenser, and uses the fan to exchange heat between the refrigerating fluid in the condenser and the outside air to reduce the temperature of the refrigerating fluid. Air-cooled cold water machine among the prior art passes through the frame support, and the water dish is installed in the lower part of condenser for concentrate the drainage, but the degree of depth of water dish is generally higher than the condenser bottom for the return air of bottom is less, frosts easily, and air-cooled cold water machine braced frame around the condenser has also influenced the return air area, leads to braced frame department easily to frosting.

SUMMERY OF THE UTILITY MODEL

According to one aspect of the utility model, the utility model provides a case of an air-cooled water chiller, which can optimize a return air duct, increase the return air area, increase the air speed at the bottom and around a condenser, avoid frosting and improve the heat dissipation effect of the condenser.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a machine case of an air-cooled water chiller comprises a frame, a top plate and a water tray,

the rack comprises a base and a support frame arranged on the edge of the base, the top plate is arranged at the top of the rack and is connected with the support frame, a fan is arranged on the top plate, the water tray is arranged on the rack and is positioned between the top plate and the base, a support seat is arranged in the water tray, the support seat is used for fixing a condenser, the depth of the water tray is smaller than or equal to the height of the support seat, and a ventilation hole is formed in the support frame.

Optionally, the water basin further comprises a surrounding plate, wherein the surrounding plate is arranged between the base and the water basin and connected with the supporting frame.

Optionally, at least one of the enclosing plates is rotatably connected with the supporting frame.

Alternatively, the fan may be provided in plurality, and the plurality of fans may be provided at intervals along the longitudinal direction of the top plate.

Optionally, the fan further comprises a motor, and the motor is connected with the fan.

Optionally, a mesh enclosure is arranged outside the fan.

Optionally, the water tray further comprises a fixed seat, and the water tray is arranged on the fixed seat.

Optionally, a drain outlet is provided on the water tray.

Optionally, the water tray is further provided with a connection hole, and the connection hole is configured to allow a refrigerant pipeline of the condenser to pass through.

Optionally, the base is a hollow structure.

The utility model has the beneficial effects that:

the machine case of the air-cooled water chiller has the advantages that the depth of the water tray is set to be less than or equal to the height of the supporting seat of the condenser, so that the situation that the folded edge of the water tray blocks the return air of the condenser and the bottom of the water tray is frosted is avoided;

because the support frame around the condenser has also played the effect that blocks to the return air of condenser, if serious, can appear the phenomenon of frosting in the position of the condenser that the support frame blockked, influence the radiating effect of condenser, a plurality of ventilation holes are seted up to above-mentioned air-cooled cold water machine's quick-witted case on the support frame, increase the air inlet area of condenser for the return air speed increase of support frame department, and then in time take away the heat, avoid frosting.

Drawings

Fig. 1 is a schematic structural view of a cabinet of an air-cooled chiller according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A of the present invention;

FIG. 3 is a bottom view of the water tray provided by the present invention;

fig. 4 is a schematic structural diagram of a base provided by the present invention.

In the figure:

100. a frame; 110. a base; 120. a support frame; 121. a vent hole; 200. a top plate; 300. a water pan; 310. a water outlet; 320. connecting holes; 400. a supporting seat; 500. a condenser; 600. enclosing plates; 700. a motor; 800. a mesh enclosure.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The air-cooled cold water machine among the prior art frosts between quick-witted case condenser and the water tray easily, and the heat transfer area of quick-witted case is little, and the return air between support frame and the condenser is blockked, and the serious condition leads to the support frame to frosting, and condenser and external heat exchange efficiency are low.

In view of the above problems, in an embodiment of the present invention, there is provided a cabinet of an air-cooled chiller, as shown in fig. 1, the cabinet of the air-cooled chiller includes a frame 100, a top plate 200 and a water tray 300, wherein the frame 100 includes a base 110 and a support 120, the support 120 is disposed on an edge of the base 110, the top plate 200 is disposed on a top of the frame 100, the top plate 200 is connected to the support 120, a fan for dissipating heat is disposed on the top plate 200, the water tray 300 is disposed between the top plate 200 and the base 110 and connected to the frame 100, the water tray 300 is used for storing water condensed when the condenser 500 dissipates heat and intensively discharging the water through a pipe, as shown in fig. 2, a support 400 is disposed in the water tray 300 for mounting the condenser 500, and the depth of the water tray 300 is set to be less than or equal to the height of the support 400, so as to prevent a folded edge of the water tray 300 from blocking a return air channel at the bottom of the condenser 500, can improve condenser 500's radiating efficiency, avoid the bottom to frost, seted up ventilation hole 121 on support frame 120 for the ventilation, the heat of avoiding being sheltered from condenser 500 of department by support frame 120 can't in time disperse and lead to frosting.

Through the ventilation holes 121 formed in the support frame 120, when the fan works, air can enter the case from more directions and exchange heat with the condenser 500, so that the heat dissipation efficiency of the condenser 500 is improved, and the phenomenon that the condenser 500 is frosted due to overhigh condensation temperature caused by the fact that heat cannot be discharged in time when the condenser 500 shielded by the support frame 120 is prevented; similarly, the height of the supporting seat 400 of the condenser 500 is less than or equal to the depth of the water tray 300, the folding edge of the water tray 300 is prevented from covering the part of the condenser 500, the heat of the covered part cannot be timely discharged, the frosting phenomenon occurs, the bottom of the condenser 500 and the surrounding return air channel are optimized, the return air area of the condenser 500 is increased, the air speed of the bottom of the condenser 500 is accelerated, and the heat dissipation efficiency of the condenser 500 is improved.

Further, a fan (not shown) may be disposed on the top plate 200, the fan is a part of the air-cooled chiller heat dissipation system, and the refrigerant in the condenser 500 may be rapidly heat-exchanged with the outside air by the fan, so as to reduce the temperature of the refrigerant in the condenser 500. In one embodiment, a fan may be provided on the top plate 200 for dissipating heat; in other embodiments, a plurality of fans may be provided, and the plurality of fans are provided at intervals along the length direction of the top plate 200, so that the heat exchange efficiency of the condenser 500 can be improved, but too many fans may increase the equipment cost and the electricity consumption cost, and the fans may be provided according to actual needs, in this embodiment, two fans are provided on the top plate 200.

Preferably, with reference to fig. 1, in view of safety, a mesh enclosure 800 may be installed outside the fan to prevent impurities around the fan from being sucked due to air turbulence at the fan, so as to prevent the normal operation of the fan from being affected, and meanwhile, prevent workers from mistakenly touching the fan due to misoperation and being injured. As can be seen from fig. 1, the fan is driven by the motor 700 to rotate, one end of the motor 700 is connected to the mesh enclosure 800, and the other end is connected to the fan, when the air-cooled chiller is powered on to work, the motor 700 is started to drive the fan to rotate, thereby achieving the heat dissipation effect.

Further, a fixing seat may be disposed on the frame 100, and the fixing seat is disposed between the top plate 200 and the base 110 to fix the water tray 300, so that the reliability of the operation of the water tray 300 may be improved. In one embodiment, the fixing seat may be composed of an L-shaped plate, one side of the L-shaped plate is connected to the adjacent supporting frame 120, and horizontally enclosed in the supporting frame 120, the water tray 300 is lapped on the other side of the L-shaped plate, the L-shaped plate plays a role of supporting the periphery of the water tray 300, so that the stress on the periphery of the water tray 300 is uniform, and the reliability of the operation of the water tray 300 is improved, the length and width of the L-shaped plate are designed according to the size of the supporting frame 120 and the size of the water tray 300, as long as the stable supporting role of the water tray 300 can be played, the L-shaped plate and the supporting frame 120 may be connected by welding, or may be connected by bolts; in another embodiment, the fixing base may also be composed of a plurality of connecting rods, each connecting rod includes a first connecting rod arranged horizontally and a second connecting rod connected to the first connecting rod, the first connecting rod is connected to the adjacent support frame 120, the second connecting rod may be arranged perpendicular to the first connecting rod, or may be arranged at another angle to the first connecting rod, the second connecting rod may be one or more, and is arranged in an area surrounded by the first connecting rods, so as to support the bottom of the water tray 300, improve the stability of the water tray 300, and further improve the reliability of the operation of the water tray 300, and the first connecting rod and the support frame 120 and the first connecting rod and the second connecting rod may be connected by welding; in other embodiments, the fixing seat may also be a flat plate, the periphery of the flat plate is connected to the supporting frame 120, and the water tray 300 is directly placed on the flat plate, so that the water tray 300 can be well supported, and the working performance of the water tray 300 is ensured.

Preferably, with continued reference to fig. 2, a support seat 400 is provided in the water tray 300 for fixing the condenser 500 disposed above the water tray 300. The condenser 500 functions to output heat energy and condense refrigerant during a cooling process, and the high-pressure superheated vapor discharged from the compressor transfers all heat absorbed during operation (including heat absorbed from the evaporator and the compressor and in the pipes) to the ambient air after entering the condenser 500. Condensers can be classified into three categories according to the cooling medium and the cooling method: water-cooled condensers, air-cooled condensers and evaporative condensers. The air-cooled condenser used in this embodiment may be a finned condenser, a circle of finned condenser is enclosed around the inner side of the supporting frame 120 between the top plate 200 and the water tray 300, and the supporting seat 400 is disposed between the bottom of the condenser 500 and the water tray 300, and the supporting seat 400 may be disposed continuously or at intervals as long as the condenser 500 can be fixed on the water tray 300. According to the size of the chassis of the air-cooled water chiller, the condenser 500 may be a single fin or a plurality of fins, or the condenser 500 may be enclosed into a plurality of circles between the top plate 200 and the water tray 300, and the circles are arranged in the rack 100 at intervals along the length direction of the water tray 300, and the air-cooled water chiller can be produced according to actual needs.

Preferably, in one embodiment, a groove may be formed on the support base 400, and the bottom of the condenser 500 is inserted into the groove on the support base 400 to fix the support base 400, which is simple in installation and cost-saving; in other embodiments, the bottom of the condenser 500 may be fixedly connected to the supporting base 400 by bolts.

Further, since the temperature of the outside is low and the temperature around the condenser 500 is high, the wet air around the condenser 500 may be condensed into water when it is cooled, and the water may drop down to the water tray 300 to be stored, and since the amount of water that the water tray 300 can store is limited, the water in the water tray 300 may be periodically and intensively drained, as shown in fig. 3, a drain port 310 may be provided on the water tray 300, and a pipe may be installed at the drain port 310 to drain the water through the pipe. One or more water discharge ports 310 may be provided as necessary.

Further, with continued reference to fig. 3, the compressor, the evaporator and other components of the air-cooled chiller may be disposed on the base 110, and since the condenser 500 is connected to the compressor and the evaporator, a connection hole 320 may be disposed on the water tray 300, and a refrigerant pipe of the condenser 500 passes through the connection hole 320 and is connected to the compressor and the evaporator at the lower portion of the water tray 300.

Preferably, a surrounding plate 600 may be disposed between the water tray 300 and the base 110 to shield the pipes inside the air-cooled water chiller, so that the cabinet of the air-cooled water chiller may look more beautiful.

In order to facilitate the staff to check the internal pipelines and the equipment of the air-cooled water chiller at any time, at least one of the coamings 600 is in rotating connection with the support frame 120, the structure similar to a door is opened and closed, the internal equipment and the pipelines are checked by opening the coamings 600 in rotating connection with the support frame 120, and when the internal equipment and the pipelines are not required to be checked, the coamings 600 are closed, so that the structure is simple and the operation is convenient. In one embodiment, the enclosing plate 600 and the supporting frame 120 may be connected in a hinged manner; in other embodiments, the shroud 600 and the support 120 may be connected in other rotational ways.

Preferably, in consideration of the heat dissipation effect of the air-cooled chiller, as shown in fig. 4, the base 110 may be configured to be a hollow structure, and the hollow structure may not have too large holes, so as to ensure that the evaporator, the compressor, and other pipelines can be well fixed.

According to the chassis of the air-cooled water chiller, the depth of the water tray 300 is designed to be lower than the height of the supporting seat 400 of the condenser 500, and the supporting frame 120 is provided with the vent holes 121 for ventilation, so that the return air channel of the air-cooled water chiller is optimized, the air inlet area of the air-cooled water chiller is increased, the air flow at the bottom and around the condenser 500 is accelerated, the heat dissipation efficiency of the condenser 500 is improved, meanwhile, the frosting phenomenon caused by the fact that heat at the shielding part cannot be timely dissipated due to the fact that the condenser 500 is partially shielded is avoided, and the working reliability of the condenser 500 is improved.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A machine case of an air-cooled water chiller is characterized by comprising a machine frame (100), a top plate (200) and a water tray (300),

frame (100) include base (110) and set up support frame (120) on base (110) border, roof (200) set up the top of frame (100) and with support frame (120) link to each other, be provided with the fan on roof (200), water dish (300) set up on frame (100), just water dish (300) are located roof (200) with between base (110), be equipped with supporting seat (400) in water dish (300), supporting seat (400) are used for fixed condenser (500), just the degree of depth less than or equal to of water dish (300) the height of supporting seat (400), set up ventilation hole (121) on support frame (120).

2. The cabinet of an air-cooled chiller according to claim 1, further comprising a shroud (600), wherein the shroud (600) is disposed between the base (110) and the water tray (300) and connected to the support frame (120).

3. The cabinet of an air-cooled chiller according to claim 2 wherein at least one of the enclosures (600) is rotatably connected to the support frame (120).

4. The cabinet of an air-cooled chiller according to claim 1, wherein the fan is provided in plurality, and the plurality of fans are provided at intervals along a length direction of the top plate (200).

5. The cabinet of an air-cooled chiller according to claim 4 further comprising a motor (700), the motor (700) being connected to the fan.

6. The cabinet of an air-cooled chiller according to claim 5 wherein a mesh enclosure (800) is provided outside the fan.

7. The cabinet of an air-cooled chiller according to claim 1, further comprising a holder, the water tray (300) being disposed on the holder.

8. The cabinet of an air-cooled chiller according to any of claims 1-7, wherein the water tray (300) is provided with a drain (310).

9. The cabinet of an air-cooled chiller according to claim 8, wherein the water tray (300) is further provided with a connection hole (320), and the connection hole (320) is configured to pass through a refrigerant pipeline of the condenser (500).

10. The cabinet of an air-cooled chiller according to claim 1 wherein the base (110) is a hollow structure.

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