Double-efficient-screw water chilling unit

Abstract

The utility model discloses a double-efficient screw water chilling unit, and relates to the field of screw water chilling units. The water chilling unit comprises a supporting frame, the inner side of the supporting frame is provided with a water chilling unit body, the outer side of the water chilling unit body is provided with a protection assembly providing the protection function, and the protection assembly comprises a shell body. An operator can selectively disassemble and replace protection plates made of different materials on the surface of the mounting plate, such as a net panel, a transparent acrylic plate and a non-transparent aluminum alloy plate, so that the unit can flexibly adjust a ventilation channel and an observation window in the unit, a good ventilation environment is ensured, the use convenience of the operator to the water chilling unit is improved, and the working efficiency is improved. Particularly, when the protective plate needs to be frequently replaced or overhauled, the detachable design greatly improves the working efficiency, so that the water chilling unit can be quickly adapted to the current use environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of screw water chiller unit, concretely to a double high -efficient screw water chiller unit. BACKGROUND

[0002] Screw water chiller unit is the refrigeration equipment with screw compressor as the core, is composed of compressor, condenser, evaporator, expansion valve and other key components, and cooperates and uses R1234ze etc. Refrigerant, can carry out efficient refrigeration work, realizes continuous refrigeration through compression, condensation, throttling, evaporation etc. Process, and the unit structure is compact, and the land area is small, and the refrigeration efficiency is high, and the operation is stable, is widely used in central air conditioning, industrial refrigeration etc. Field, and screw water chiller unit has energy -conserving environmental protection, high reliability, and the advantages such as convenient adjustment, can be stepless regulated according to actual cold load, satisfies the refrigeration demand under different load.

[0003] At present, screw water chiller unit covers transportation, displacement, handling and indoor and outdoor, low frequency and high frequency operation and many complex states in application scene, and the protective structure commonly used in the unit is the fixed shell of fixed design, however, in the face of such diversified use conditions, the traditional fixed protective shell is not up to the task in adapting to different environmental requirements, and it is difficult to fully play the due protection, thereby weakening its applicability and efficiency in the changing environment. UTILITY MODEL CONTENT

[0004] Therefore, the utility model discloses the purpose is to provide a double high -efficient screw water chiller unit to solve the technical problem that the protective effect of the traditional protective shell is difficult to adapt to different use environments for many forms of use conditions.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double high -efficient screw water chiller unit, including support frame, the inner side of support frame is installed with water chiller unit main body, and the outer side of water chiller unit main body is provided with the protective assembly of providing the protective effect, the protective assembly includes the shell main body, the top bolt of shell main body is installed with top plate, and the surface of top plate is detachably connected with the mesh plate, the front and rear surfaces of shell main body are movably connected with a plurality of movable plates, and the opening and closing operation of every movable plate can be controlled individually, the surface bolt of movable plate is installed with mounting plate, and the surface of mounting plate is detachably installed with the protective plate.

[0006] By adopting the above technical scheme, the shell body is welded and fixed on the support frame, providing a stable and solid protective layer for the water chiller main body, ensuring stable operation of the unit under various working conditions, and more importantly, allowing flexible selection and replacement of different material protective plates on the mounting plate according to actual needs. These protective plates include mesh panels, transparent acrylic plates and opaque aluminum alloy plates, etc., which can accurately adjust the ventilation and observation needs of the unit inside according to the specific use environment.

[0007] Further, the material of the protective plates is a mesh panel, which provides an air flow passage between the inside of the shell body and the outside.

[0008] By adopting the above technical scheme, the water chiller main body can obtain sufficient air exchange during operation, which helps to dissipate heat and maintain the stability of the internal temperature of the unit, thereby improving the overall operation efficiency of the unit. The permeability design of the mesh panel allows air to flow freely, avoiding temperature accumulation and overheating problems caused by a closed environment.

[0009] Further, the material of the protective plates is a transparent acrylic plate, which provides a survey window for the outside operator to observe the inside water chiller main body.

[0010] By adopting the above technical scheme, the transparent acrylic plate is used as the material of the protective plate, providing a clear survey window for the outside operator, allowing them to directly observe the running state and internal situation of the water chiller main body, greatly improving the convenience and efficiency of operation. The operator can perform necessary inspection and monitoring without disassembling the protective assembly, so as to timely discover and handle problems in the operation of the unit, ensuring stable operation of the unit.

[0011] Further, the material of the protective plates is an opaque aluminum alloy plate, which blocks the outside view of the water chiller main body and forms a good ventilation channel.

[0012] By adopting the above technical scheme, the opaque aluminum alloy plate is used as the material of the protective plate, which mainly functions to block the direct view of the water chiller main body from the outside. It is of great significance to protect the internal structure and operation safety of the unit, especially in some occasions where privacy protection or malicious damage prevention is required. The opaque aluminum alloy plate can effectively block the outside view, ensuring the safe operation of the unit.

[0013] Further, the two sides of the movable plate are fixedly provided with slide rods, the movable plate is slidably connected with the shell body through the slide rods and slide grooves, and can be slidably folded to the inside of the shell body.

[0014] By adopting the technical scheme, the movable plate can be connected with the sliding groove on the shell body through the sliding rod, which not only ensures the stability of the movable plate during opening and closing, but also makes the operation more convenient and fast, and the operator only needs to exert a slight force to easily push the movable plate along the sliding groove, thereby effectively protecting or ventilating the water chiller body.

[0015] Further, the water chiller body comprises a condenser and an evaporator, the condenser and the evaporator are communicated through a liquid pipe and are provided with an expansion valve, and two double-screw compressors are installed on the top of the evaporator, and an oil separator is installed on the top of the condenser.

[0016] By adopting the technical scheme, the condenser and the evaporator in the water chiller body are core components, they are communicated through a liquid pipe and are provided with an expansion valve, which realizes effective circulation and adjustment of the refrigerant between the condenser and the evaporator, ensures the refrigeration efficiency of the water chiller, and the accurate control of the expansion valve enables the refrigerant to be depressurized and flow-regulated according to actual needs during flowing from the condenser to the evaporator, thereby ensuring stable operation and efficient refrigeration of the unit.

[0017] In summary, the utility model mainly has the following beneficial effects:

[0018] 1. According to different use environments and requirements, the operator can selectively disassemble and replace the different material protective plates on the mounting plate, such as mesh panels, transparent acrylic plates and opaque aluminum alloy plates, so that the unit can flexibly adjust the internal ventilation channels and observation windows, which not only ensures a good ventilation environment, but also improves the use convenience of the operator for the water chiller, especially when the protective plate needs to be frequently replaced or overhauled, the detachable design greatly improves the work efficiency, so that the water chiller can quickly adapt to the current use environment.

[0019] 2. The sliding rod and the sliding groove are arranged, the movable plate can be easily slid and folded to the upper side of the inside of the shell body, which not only increases the ventilation area, but also provides a good maintenance channel, so that the unit is more convenient to maintain and overhaul, the improvement of the function and practicability further enhances the environmental applicability of the unit and the maintenance convenience of the protective assembly, and provides a powerful guarantee for the long-term stable operation of the water chiller. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0021] Figure 2 It is an internal structure schematic view of the utility model;

[0022] Figure 3 It is a structure schematic view of the water chiller main body of the utility model.

[0023] Figure 4 It is a structure schematic view of the movable plate of the utility model.

[0024] In the figure: 1, support frame; 2, water chiller main body; 201, double screw compressor; 202, oil separator; 203, condenser; 204, evaporator; 205, expansion valve; 3, protection assembly; 301, shell main body; 302, top plate; 303, mesh plate; 304, movable plate; 305, mounting plate; 306, protection plate; 307, buckle groove; 308, sliding rod; 309, sliding groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used for explaining the utility model, and cannot be understood as limiting the utility model.

[0026] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as limiting the indicated devices or elements to have a specific direction, to be constructed and operated in a specific direction, and therefore cannot be understood as limiting the utility model, and in addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected: it can be mechanically connected, or it can be electrically connected: it can be directly connected, or it can be indirectly connected through an intermediate medium: it can be the communication inside two elements, and for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0029] Embodiment one:

[0030] A kind of double high-efficiency screw water chiller, such as Figures 1-4As shown, including support frame 1, the inner side of support frame 1 is mounted with water chilling unit body 2, and the outer side of water chilling unit body 2 is provided with protective assembly 3 which provides protection, protective assembly 3 includes shell body 301, the top of shell body 301 is bolted with top plate 302, and the surface of top plate 302 is detachably connected with mesh plate 303, the front and rear surfaces of shell body 301 are both movably connected with a plurality of movable plates 304, and each movable plate 304 can be individually controlled to open and close, the surface of movable plate 304 is bolted with mounting plate 305, and the surface of mounting plate 305 is detachably mounted with protective plate 306, shell body 301 is welded and fixed on support frame 1, which provides a stable and solid protective layer for water chilling unit body 2, ensuring the stable operation of the unit under various working conditions, more importantly, it allows flexible selection and replacement of different material protective plates 306 on mounting plate 305 according to actual needs, these protective plates 306 include mesh panels, transparent acrylic plates and opaque aluminum alloy plates, etc., which can accurately adjust the ventilation and observation needs of the unit inside according to the specific use environment, at the same time, not only ensures that water chilling unit body 2 can have good ventilation environment in different use environments, but also greatly improves the use convenience of the operating personnel on the unit, in addition, through the sliding of slide rod 308 and sliding groove 309, movable plate 304 can easily slide and fold to the inside of shell body 301, this feature not only further improves the ventilation area of the unit, but also provides a very convenient channel for the maintenance of the unit.

[0031] Referring to Figure 1 , Figure 2 , Figure 4 , the material of the plurality of protective plates 306 is a mesh panel, which is used to provide an air flow channel between the inside of shell body 301 and the outside, ensuring that water chilling unit body 2 can obtain sufficient air exchange when running, which helps to dissipate heat and maintain the stability of the internal temperature of the unit, thereby improving the overall operating efficiency of the unit, the permeability design of the mesh panel allows air to flow freely, avoiding temperature accumulation and overheating problems caused by a closed environment, at the same time, the mesh panel as a protective plate also has a certain protection function, it can effectively block large debris and dust from the outside into the unit, playing a preliminary protection role for water chilling unit body 2, while maintaining air flow, it also ensures the cleanliness and safe operation of the unit.

[0032] Referring to Figure 1 , Figure 2 , Figure 4The material of the several protective plates 306 is transparent acrylic plate, which is used to provide an investigation window for the outside operator to observe the inside water chiller main body 2. The transparent acrylic plate is used as the material of the protective plate 306, which provides a clear investigation window for the outside operator, so that they can directly observe the running state and internal situation of the water chiller main body 2, greatly improving the convenience and efficiency of operation. The operator can perform necessary inspection and monitoring without disassembling the protective assembly, so that problems in the operation of the unit can be found and handled in time to ensure the stable operation of the unit. At the same time, the transparent acrylic plate has good light transmission and weather resistance, which can maintain clear vision in various environmental conditions. This not only helps the operator to monitor the unit in real time, but also provides accurate visual guidance during maintenance and repair, reducing operation errors and safety hazards.

[0033] Referring to Figure 1 , Figure 2 , Figure 4 The material of the several protective plates 306 is opaque aluminum alloy plate, which is used to block the view of the outside to the water chiller main body 2 and form a good ventilation channel. The opaque aluminum alloy plate is used as the material of the protective plate 306, which mainly functions to block the direct view of the outside to the water chiller main body 2, which is of great significance to protect the internal structure and running safety of the unit. Especially in some occasions that require privacy protection or prevent malicious damage, the opaque aluminum alloy plate can effectively isolate the outside view to ensure the safe operation of the unit. At the same time, the opaque aluminum alloy plate does not affect the ventilation function provided by the protective plate. The aluminum alloy material itself has good thermal conductivity and corrosion resistance, and through reasonable design, such as opening ventilation holes or using other ventilation structures, the air flow between the inside and outside of the unit can be ensured while blocking the view.

[0034] Example two:

[0035] Referring to Figure 1 , Figure 2 , Figure 4The two sides of the movable plate 304 are fixedly provided with slide rods 308, the movable plate 304 is in sliding connection with the shell body 301 through the slide rods 308 and slide grooves 309, and can be slidably folded to the upper side of the inner side of the shell body 301, the surface of the movable plate 304 is provided with a buckle groove 307, which is used for providing an acting force point of the movable plate 304 for an operator, so that the movable plate 304 can be in sliding connection with the slide grooves 309 on the shell body 301 through the slide rods 308. This sliding connection mode not only ensures the stability of the movable plate 304 during opening and closing, but also makes the operation more convenient and fast. The operator only needs to exert a slight acting force, and the movable plate 304 can be easily moved along the slide grooves 309, so as to realize effective protection or ventilation of the water chiller main body 2. Meanwhile, the movable plate 304 can be slidably folded to the upper side of the inner side of the shell body 301. This feature greatly saves space and enables the unit to flexibly adjust the ventilation area when full protection is not required.

[0036] Referring to Figure 1 Figure 2 Figure 4 Figure 3 The water chiller main body 2 comprises a condenser 203 and an evaporator 204, the condenser 203 and the evaporator 204 are provided with an expansion valve 205 in communication through a liquid pipe, the top of the evaporator 204 is provided with two double-screw compressors 201, and the top of the condenser 203 is provided with an oil separator 202. The condenser 203 and the evaporator 204 in the water chiller main body 2 are core components, they are in communication through a liquid pipe and are provided with an expansion valve 205 therebetween, realizing effective circulation and adjustment of the refrigerant between the condenser and the evaporator, ensuring the refrigeration efficiency of the water chiller. The accurate control of the expansion valve 205 enables the refrigerant to be depressurized and flow-regulated according to actual needs during the process of flowing from the condenser to the evaporator, thereby ensuring the stable operation and high-efficiency refrigeration of the unit. Meanwhile, the top of the evaporator 204 is provided with two double-screw compressors 201, which not only improves the refrigeration capacity of the unit, but also enhances the stability and reliability of the operation of the unit. The double-screw compressor has the advantages of high efficiency, low noise and stable operation, and can provide continuous and stable refrigeration effect for the water chiller.

[0037] The utility model discloses an implementation principle is: the shell main part 301 is welded and is fixed on the support frame 1, when using the cold water unit main part 2 under different working conditions, can selectively remove and replace the different material protection plate 306 on the surface of multiple installation board 305, for example: net panel, transparent acrylic plate, nontransparent aluminum alloy plate etc., can according to the use environment, adjust its inside ventilation channel, observation window to ensure under different use environment, inside has good ventilation environment, and improve the use convenience of operator to the cold water unit, at the same time, can through the form of slide bar 308 and sliding slot 309, the movable plate 304 is slid to fold to the inside upper side of shell main part 301, to improve the ventilation area, can provide good overhauling passageway, further improve its environmental applicability and improve the convenience and functional practicability of protection assembly overhaul.

[0038] The parts not involved in the utility model are the same as the prior art or can be realized by using the prior art, and will not be described in detail here.

[0039] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A dual high-efficiency screw water chiller, characterized in that: Including support frame (1), the inner side of support frame (1) is installed with water chilling unit body (2), and the outer side of water chilling unit body (2) is provided with protective assembly (3) providing protective effect, the protective assembly (3) includes shell body (301), the top of shell body (301) is bolted with top plate (302), and the surface of top plate (302) is detachably connected with mesh plate (303), the front and rear surfaces of shell body (301) are movably connected with a plurality of movable plates (304), and each movable plate (304) can be individually controlled to open and close operation, the surface of movable plate (304) is bolted with mounting plate (305), and the surface of mounting plate (305) is detachably mounted with protective plate (306).

2. The dual high-efficiency screw water chiller of claim 1, wherein: The material of several protective plates (306) is mesh panel, which is used to provide air flow passage between the inner side of shell body (301) and the outside.

3. The dual high-efficiency screw water chiller of claim 1, wherein: The material of several protective plates (306) is transparent acrylic plate, which is used to provide survey window for the operator outside to the inner water chilling unit body (2).

4. The dual high-efficiency screw water chiller of claim 1, wherein: The material of several protective plates (306) is opaque aluminum alloy plate, which is used to block the view of the outside to the water chilling unit body (2) and form a good ventilation channel.

5. The dual high-efficiency screw water chiller of claim 1, wherein: The both sides of movable plate (304) are fixedly provided with slide rod (308), movable plate (304) is slidably connected with shell body (301) through slide rod (308) and slide groove (309), and can be slidably folded to the inner side of shell body (301) above, the surface of movable plate (304) is provided with buckle groove (307), which is used to provide force point for the operator to movable plate (304).

6. The dual high-efficiency screw water chiller of claim 1, wherein: The water chilling unit body (2) includes condenser (203) and evaporator (204), the condenser (203) and evaporator (204) are connected through liquid pipe and are provided with expansion valve (205), the top of evaporator (204) is provided with two double screw compressors (201), and the top of condenser (203) is provided with oil separator (202).

Images