CN221503616U - Compressor assembly and air conditioning system - Google Patents

Abstract

The utility model provides a compressor assembly and an air conditioning system. The compressor assembly includes: a compressor having a compressor housing; the shell is arranged on the compressor shell, an element cavity is formed by the shell and the compressor shell in a surrounding mode, and condensate water in the element cavity flows through the compressor shell; the component is arranged in the component cavity; the heat dissipation structure is arranged in the element cavity. According to the compressor assembly and the air conditioning system, the part of the compressor shell where the element cavity is located is used for radiating the compressor, so that the cooling and radiating efficiency of the compressor is guaranteed, condensed water in the element cavity can also be attached to the shell of the compressor for flowing, the cooling capacity of the condensed water can also be used for cooling the compressor, and the working reliability of the compressor assembly and the air conditioning system is effectively guaranteed.

Description

Compressor assembly and air conditioning system

Technical Field

The utility model relates to the technical field of air treatment equipment, in particular to a compressor assembly and an air conditioning system.

Background

Centrifugal chiller units are widely used in commercial air conditioning systems, and centrifugal refrigeration compressors are the core equipment of centrifugal chiller units, and in general, centrifugal refrigeration compressors are driven by frequency converter voltage regulation. The traditional centrifugal refrigeration compressor adopts independent structures of a compressor and a frequency converter, and the two structures are large in volume, so that the total volume of the centrifugal chiller is quite large to a great extent, and the occupied area and the space are quite large.

Industrial miniaturization and integration have become an epoch development trend since the 21 st century, and along with breakthrough of the part technology of the frequency converter, the size of the part is more and more miniaturized, so that the frequency converter integrated compressor is generated. The frequency converter integrated compressor integrates the frequency converter and the compressor, so that the volumes of the original independent compressor and the frequency converter are greatly reduced, the total volume of the centrifugal water chilling unit is obviously reduced, and the foundation is improved for the miniaturization development of the water chilling unit.

However, the integrated compressor of the frequency converter has a plurality of advantages, and the heat dissipation mode of the compressor and the frequency converter becomes a great difficulty. The compressor and the frequency converter can both produce heat and need independent heat radiation structure to dispel the heat at the during operation, with the frequency converter integration on the compressor, can make the frequency converter occupy the partial surface of compressor and influence the radiating effect of compressor, the part arrangement of frequency converter and compressor is extremely compact moreover, can further aggravate the cooling structure's of compressor and frequency converter and arrange the degree of difficulty, can finally cause the unreliable problem of compressor and frequency converter heat dissipation after the integration.

Disclosure of utility model

In order to solve the technical problem that components such as a frequency converter and the like in the prior art cannot be reliably cooled when integrated on a compressor, the compressor assembly and the air conditioning system are provided, wherein the heat dissipation structure can simultaneously dissipate heat of the components and the compressor shell where the component cavity is located, and condensed water in the component cavity can flow through the compressor shell to dissipate heat again so as to ensure reliable heat dissipation.

A compressor assembly, characterized by: comprising the following steps:

a compressor having a compressor housing;

the shell is arranged on the compressor shell, an element cavity is formed by the shell and the compressor shell in a surrounding mode, and condensate water in the element cavity flows through the compressor shell;

The component is arranged in the component cavity;

the heat dissipation structure is arranged in the element cavity.

The component cavity comprises a frequency converter cavity and a capacitor cavity which are communicated with each other, the frequency converter cavity is located at the top of the compressor shell, the capacitor cavity is located at one side of the compressor shell, the component comprises a frequency converter component and a capacitor component, the frequency converter component is arranged in the frequency converter cavity, the capacitor component is arranged in the capacitor cavity, and the heat dissipation structure is arranged in the frequency converter cavity.

The plane where the bottom surface of the frequency converter cavity is located is inclined with the horizontal plane, and the lowest point of the bottom surface of the frequency converter cavity is communicated with the capacitor cavity.

The compressor also comprises a motor, a motor shell of the motor forms part of the compressor shell, the shell and the motor shell jointly enclose the capacitor cavity, and condensed water in the frequency converter cavity flows through the motor shell.

The compressor assembly further comprises a motor wiring assembly, the motor wiring assembly is arranged in the frequency converter cavity, the motor wiring assembly is electrically connected with the motor, the component is arranged on one side of the motor wiring assembly, and the heat dissipation structure is arranged on the motor wiring assembly.

The heat dissipation structure comprises a semiconductor refrigeration mechanism, the semiconductor refrigeration mechanism is provided with a hot end and a cold end which are opposite to each other, the hot end is arranged on the motor wiring assembly, and the cold end of the semiconductor refrigeration mechanism faces to the inside of the frequency converter cavity.

The heat radiation structure further comprises a heat radiation fan, an air inlet is formed in the shell, the heat radiation fan is arranged at the air inlet, and the air outlet direction of the heat radiation fan is directed to the cold end of the semiconductor refrigeration mechanism.

The heat dissipation structure further comprises at least one circulating fan, a circulating heat exchange flow channel is formed between the frequency converter element and the shell, the circulating fan is arranged in the circulating heat exchange flow channel, and at least one air outlet direction of the circulating fan is directed to the frequency converter element.

The circulating heat exchange flow channel is annular in shape, and the circulating fan is arranged at the annular corner.

The frequency converter component comprises a first frequency converter component and a second frequency converter component, the first frequency converter component and the second frequency converter component are arranged in the frequency converter cavity in parallel, the air outlet direction of the circulating fan on the left side of the first frequency converter component faces the first frequency converter component, the air outlet direction of the circulating fan on the right side of the first frequency converter component faces the second frequency converter component, the air outlet direction of the circulating fan on the right side of the second frequency converter component faces the second frequency converter component, and the air outlet direction of the circulating fan on the left side of the second frequency converter component faces the first frequency converter component.

And the cold end is provided with heat exchange fins, and the air outlet direction of the cooling fan is directed towards the heat exchange fins.

And air flow channels are formed between the heat exchange fins, and the air flow direction in the air flow channels is the same as the air outlet direction of the cooling fan.

The gas flow direction of the gas flow channel is directed towards the frequency converter element.

The heat radiation structure also comprises a surface cooler, and the surface cooler is arranged in the frequency converter cavity.

The heat radiation structure also comprises a surface cooler fan, wherein the surface cooler fan is arranged on one side of the surface cooler, and the air outlet direction of the surface cooler fan faces to the frequency converter element.

The frequency converter element comprises a first frequency converter assembly and a second frequency converter assembly, the first frequency converter assembly and the second frequency converter assembly are arranged in the frequency converter cavity in parallel, and the surface cooler is arranged between the first frequency converter assembly and the second frequency converter assembly.

The bottom surface of the frequency converter cavity is concavely provided with a water accumulation groove and a water discharging groove, one end of the water discharging groove is communicated with the water accumulation groove, the other end of the water discharging groove is communicated with the capacitor cavity, and the surface cooler is arranged in the water accumulation groove.

An air conditioning system comprising the compressor assembly.

According to the compressor assembly and the air conditioning system, the shell is directly arranged on the compressor shell, the shell and the part of the compressor shell are enclosed together to form the element cavity for installing the components, so that the components such as the frequency converter and the like can be directly installed on the compressor shell, the occupied space after the integration of the compressor assembly is reduced, the heat dissipation structure is arranged in the element cavity, the compressor can be dissipated through the part of the compressor shell where the element cavity is located, the cooling heat dissipation efficiency of the compressor is guaranteed, condensed water in the element cavity can be attached to the shell of the compressor for flowing, the cold energy of the condensed water can cool the compressor, the cooling energy of the heat dissipation structure and the cold energy of the generated condensed water are fully utilized to guarantee the heat dissipation efficiency of the compressor and the components, and the technical problem that the cooling structure of the compressor and the heat dissipation structure of the components cannot be arranged in the prior art is solved, and the working reliability of the compressor assembly and the air conditioning system is effectively guaranteed.

Drawings

FIG. 1 is a schematic view of a compressor assembly according to an embodiment of the present utility model;

FIG. 2 is a top view of a compressor assembly provided in an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a transducer cavity and a capacitive cavity provided by an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a semiconductor refrigeration mechanism according to an embodiment of the present utility model;

Fig. 5 is a schematic structural diagram of a surface cooler and a fan of the surface cooler according to an embodiment of the present utility model;

In the figure:

1. A compressor housing; 2. a component; 3. a heat dissipation structure; 41. a transducer cavity; 42. a capacitance cavity; 31. a semiconductor refrigeration mechanism; 32. a cold end; 33. a heat exchange fin; 34. a heat radiation fan; 35. a circulation fan; 51. a first frequency converter assembly; 52. a second frequency converter assembly; 6. a surface cooler; 7. a surface cooler fan; 36. a water accumulation tank; 37. a water discharging tank; 8. a motor wiring assembly; 38. and a circulating heat exchange flow channel.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are, for example, capable of operation in other environments. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected, can be indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

The frequency converter integrated compressor integrates the frequency converter and the compressor, so that the volumes of the original independent compressor and the frequency converter are greatly reduced, the total volume of the centrifugal water chilling unit is obviously reduced, and the foundation is improved for the miniaturization development of the water chilling unit. However, the integrated compressor of the frequency converter has a plurality of advantages, and the heat dissipation mode of the compressor and the frequency converter becomes a great difficulty. The compressor and the frequency converter can both produce heat and need independent heat radiation structure to dispel the heat at the during operation, with the frequency converter integration on the compressor, can make the frequency converter occupy the partial surface of compressor and influence the radiating effect of compressor, the part arrangement of frequency converter and compressor is extremely compact moreover, can further aggravate the cooling structure's of compressor and frequency converter and arrange the degree of difficulty, can finally cause the unreliable problem of compressor and frequency converter heat dissipation after the integration. In the prior art, a fin type heat dissipation structure is generally only arranged on the side wall of the frequency converter far away from the compressor, so that heat generated by the frequency converter is directly dissipated into the air, but the heat of the frequency converter is not only transferred towards the direction far away from the compressor, but also is transferred to the compressor to cause the problem of unreliable heat dissipation of the compressor, and the working reliability of the compressor, the frequency converter and an air conditioning system where the frequency converter is located is seriously affected. To this end, the present application provides a compressor assembly as shown in fig. 1 to 5, characterized in that: comprising the following steps: a compressor having a compressor housing 1; a casing (not shown) provided on the compressor housing 1, and enclosing an element chamber together with the compressor housing 1, condensed water of the element chamber flowing through the compressor housing 1; the component 2 is arranged in the component cavity; and the heat dissipation structure 3 is arranged in the element cavity. The shell is directly arranged on the compressor shell 1, the shell and the part of the compressor shell 1 are enclosed together to form an element cavity for installing the element 2, thereby the element 2 such as a frequency converter can be directly installed on the compressor shell 1, the occupied space after the integration of a compressor component is reduced, the heat radiation structure 3 is arranged in the element cavity, the compressor can be radiated by the part of the compressor shell 1 where the element cavity is located, the cooling heat radiation efficiency of the compressor is ensured, the condensed water in the element cavity can also be attached to the shell of the compressor for flowing, the cold quantity of the condensed water can also cool the compressor, the cooling quantity of the shell, the element 2 and the heat radiation structure 3 are reasonably arranged, the heat radiation efficiency of the compressor and the element 2 is ensured by fully utilizing the cold quantity of the heat radiation structure 3 and the cold quantity of the generated condensed water, the technical problems that the cooling structure of the compressor and the heat radiation structure 3 of the element 2 cannot be arranged in the prior art are overcome, and the working reliability of the compressor component and an air conditioning system is effectively ensured.

When the compressor assembly works, the compressor and the components 2 start to work to generate heat, at the moment, the heat dissipation structure 3 starts to work to cool the gas in the component cavity, cooling and heat dissipation are finally realized on the components 2 and part of the compressor shell 1 forming the component cavity, along with the work of the heat dissipation structure 3, vapor in the gas is gradually condensed to form condensation, condensate water is generated in the component cavity, and due to the fact that the temperature of the condensate water is low, part of the compressor shell 1 exists in the component cavity, the condensate water can flow along the compressor shell 1, namely the condensate water can be ensured to smoothly drain out of the component cavity without affecting the components 2, reliability of the components 2 is ensured, heat generated during the operation of the compressor can be taken away by utilizing cold energy of the condensate water, cooling of the compressor is realized, and cooling efficiency of the compressor is improved.

The electric capacity is one of the components and parts 2 that the converter needs, the volume is partial big, needs independent cavity to arrange the electric capacity, and compressor housing 1 generally is cylindric in addition, will change frequency converter component and electric capacity component and all set up at the top of compressor housing 1 and can cause the size increase of integrated back compressor assembly, in order to make full use of space, the component chamber includes frequency converter chamber 41 and electric capacity chamber 42 intercommunication that communicate each other, frequency converter chamber 41 is located the top of compressor housing 1, electric capacity chamber 42 is located one side of compressor housing 1, component 2 includes frequency converter component and electric capacity component, the frequency converter component set up in frequency converter chamber 41, electric capacity component set up in electric capacity chamber 42, heat radiation structure 3 set up in frequency converter chamber 41. At this time, only the inverter element increases the height of the compressor housing 1, and the capacitor element is located at the side of the compressor housing 1 without affecting the height of the compressor assembly, so that the cylindrical arc size is fully utilized, and the occupied space of the compressor assembly is reduced. Meanwhile, as the capacitor cavity 42 is positioned on the side surface of the compressor shell 1, and the frequency converter cavity 41 is positioned at the top of the compressor shell 1, the frequency converter cavity 41 is higher than the capacitor cavity 42, and the heat radiation structure 3 is arranged in the frequency converter cavity 41, so that condensed water generated by the heat radiation structure can flow out of the frequency converter cavity 41 under the action of gravity and is attached to the inner wall of the capacitor cavity 42 to flow, the influence of condensed water on frequency converter elements and capacitor elements can be avoided, and the reliable discharge of the condensed water is ensured. Optionally, the shell includes first casing and second casing, first casing is located compressor housing 1's top, just first casing with compressor housing 1 encloses into converter chamber 41 jointly, the second casing is located one side of compressor housing 1, just the second casing with compressor housing 1 encloses into electric capacity chamber 42 jointly, and the laminating can flow on compressor housing 1 at the condensate water that flows on electric capacity chamber 42's inner wall to realize the heat dissipation cooling to the compressor, guarantee that the heat dissipation of compressor assembly is reliable. Wherein the frequency converter element and the capacitance element are arranged on the same plane (the bottom surface of the frequency converter cavity) in a vertically distributed manner.

In order to ensure that the condensed water in the frequency converter cavity 41 can smoothly flow into the capacitor cavity 42, a plane where the bottom surface of the frequency converter cavity 41 is located has an inclination angle with a horizontal plane, and the lowest point of the bottom surface of the frequency converter cavity 41 is communicated with the capacitor cavity 42. The condensed water generated in the frequency converter cavity 41 can smoothly flow into the capacitor cavity 42 under the action of the inclination angle and the gravity, so that the reliable discharge of the condensed water is ensured, and the reliable cooling of the compressor is also ensured. The bottom surface of the inverter chamber 41 is a part of the compressor housing 1, and the part of the compressor housing 1 is inclined relative to the horizontal plane, and the inclination angle ranges from 5 degrees to 10 degrees in order to avoid the influence of the overlarge inclination angle on the volume of the compressor and the available space of the capacitor chamber 42.

The compressor further comprises a motor, when the compressor works, compression components in the compressor are driven to work by means of rotation of the motor, so that compression of gas is achieved, a large amount of heat can be generated in the working process of the motor, the motor forms one of heat sources of the compressor, in order to improve heat dissipation efficiency of the motor, a motor shell of the motor forms part of the compressor shell 1, the motor can directly dissipate heat to the outside through the motor shell, cooling of the motor is achieved, the structure of the part of the compressor shell 1 where the motor shell is located is relatively neat, and therefore when components 2 such as a frequency converter are integrated on the compressor, the shell and the motor shell jointly enclose the capacitor cavity 42, and condensed water in the frequency converter cavity 41 flows through the motor shell. The condensed water is utilized to radiate the motor shell, so that the reliable operation of the motor is ensured. For the motor can carry out the electricity with external power source and be connected, the compressor subassembly still includes motor wiring subassembly 8, motor wiring subassembly 8 with the motor electricity is connected, and external power source can be through motor wiring subassembly 8 for the motor power supply, motor wiring subassembly 8 set up in the converter chamber 41, components and parts 2 set up in one side of motor wiring subassembly 8, reasonable with components and parts 2 such as not integrated converter such as motor wiring subassembly 8 need set up in the interior of converter chamber 41 of the outside structure accommodation of compressor to further reduction compressor subassembly's occupation space. Wherein, motor wiring subassembly 8 is inside hollow casing to motor wiring subassembly 8 constitutes the casing of partial motor, heat radiation structure 3 set up in motor wiring subassembly 8 is last, and the condensate water that produces on the heat radiation structure 3 flows down and gets into in the electric capacity chamber 42 along motor wiring subassembly 8 this moment, thereby makes the production position of condensate water also can not influence the operational reliability of converter component.

As an embodiment, the heat dissipation structure 3 includes a semiconductor refrigeration mechanism 31, the semiconductor refrigeration mechanism 31 has opposite hot and cold ends 32, the hot ends are disposed on the motor wiring assembly 8, and the cold ends 32 of the semiconductor refrigeration mechanism 31 face the interior of the inverter cavity 41. Because the motor wiring assembly 8 is a hollow shell, heat generated by the hot end of the semiconductor refrigeration mechanism 31 does not affect the motor, and the cold end 32 of the semiconductor refrigeration mechanism 31 can cool and condense gas in the frequency converter cavity 41, so that reliable heat dissipation of the frequency converter element and the capacitor element is realized, condensed water in the frequency converter cavity 41 can be generated on the motor wiring assembly 8 and smoothly flows downwards from the motor wiring assembly 8, and the reliability of the frequency converter element is further ensured.

In order to further improve the heat dissipation efficiency of the frequency converter element and the capacitor element, the heat dissipation structure 3 further includes a heat dissipation fan 34, an air inlet is provided on the housing, the heat dissipation fan 34 is disposed at the air inlet, and the air outlet direction of the heat dissipation fan 34 is directed toward the cold end 32 of the semiconductor refrigeration mechanism 31. The cooling fan 34 can introduce air outside the casing into the casing, and blow cool air generated at the cold end 32 of the semiconductor refrigeration mechanism 31 to the inverter element, thereby improving the heat dissipation efficiency of the inverter element.

Still further, the heat dissipation structure 3 further includes at least one circulation fan 35, a circulation heat exchange flow channel 38 is formed between the frequency converter element and the housing, the circulation fan 35 is disposed in the circulation heat exchange flow channel 38, and an air outlet direction of the at least one circulation fan 35 is directed to the frequency converter element. The circulation fan 35 is used for driving the cold air to circulate in the circulation heat exchange flow channel 38 so as to promote the flow of the cold air in the frequency converter cavity 41, and one circulation fan 35 can directly blow the cold air to the frequency converter element, so that the heat dissipation efficiency of the cold air to the frequency converter element is fully improved. In order to further improve the flow reliability of the cold air, the circulating heat exchange flow passage 38 is ring-shaped, and the circulating fan 35 is disposed at a corner of the ring shape. The circulating fan 35 is utilized to change the flowing direction of the cold air in the circulating heat exchange flow channel 38, so that the generation of turbulence caused by collision of the cold air at the corner of the circulating heat exchange flow channel 38 is avoided, the air flow resistance in the circulating heat exchange flow channel 38 is reduced, and the heat dissipation efficiency of the cold air to the frequency converter element is improved.

As an embodiment, the frequency converter element includes a first frequency converter assembly 51 and a second frequency converter assembly 52, the first frequency converter assembly 51 and the second frequency converter assembly 52 are disposed in the frequency converter cavity 41 in parallel, the air outlet direction of the circulating fan 35 located at the left side of the first frequency converter assembly 51 is towards the first frequency converter assembly 51, the air outlet direction of the circulating fan 35 located at the right side of the first frequency converter assembly 51 is towards the second frequency converter assembly 52, the air outlet direction of the circulating fan 35 located at the right side of the second frequency converter assembly 52 is towards the second frequency converter assembly 52, the air outlet direction of the circulating fan located at the left side of the second frequency converter assembly 52 is towards the first frequency converter assembly 51, when several circulating fans 35 start to work, air can flow through the first frequency converter assembly 51 and then flow to the second frequency converter assembly 52, and flow back to the first frequency converter assembly 51 again under the action of the circulating fan 35 at the other side, so that the circulation of air is realized.

Preferably, as shown in fig. 1, the cooling fan 34 is located at one side of the semiconductor refrigeration mechanism 31, the circulating heat exchange flow channel 38 is located at the other side of the semiconductor refrigeration mechanism 31, the air outlet of the cooling fan 34 can flow into the circulating heat exchange flow channel 38 for circulation after passing through the cold end 32 of the semiconductor refrigeration mechanism 31, meanwhile, the circulating fan 35 located at the left side of the second frequency converter assembly 52 sends the cold air blown by the cooling fan 34 into the circulating heat exchange flow channel 38, and then under the combined action of other circulating fans, the flow of the cold air in the circulating heat exchange flow channel 38 is realized, the cooling and heat dissipation of any position in the frequency converter cavity 41 can be ensured under the action of the cold air, and the heat dissipation effect of the first frequency converter assembly 51 is further ensured.

The cold end 32 is provided with heat exchange fins 33, and the air outlet direction of the cooling fan 34 is directed to the heat exchange fins 33. The heat exchange area of the cold end 32 is increased by the heat exchange fins 33, so that the refrigerating effect of the semiconductor refrigerating mechanism 31 is improved. Further, air flow channels are formed between the heat exchanging fins 33, and the air flow direction in the air flow channels is the same as the air outlet direction of the cooling fan 34. The air outlet of the cooling fan 34 can smoothly flow through the air flow passage, thereby taking cold air out of the air flow passage, and ensuring the refrigerating effect of the semiconductor refrigerating mechanism 31. In order to further improve the heat dissipation efficiency of the frequency converter element, the air flow direction of the air flow channel points to the frequency converter element, and cold air can be directly blown into the frequency converter element and/or the circulating heat exchange flow channel 38 through the air flow channel under the action of the heat dissipation fan 34, so that the cold air is prevented from accumulating at the cold end 32 of the semiconductor refrigeration mechanism 31, the refrigeration effect of the semiconductor refrigeration mechanism 31 is ensured, and the heat dissipation effect of the frequency converter element is further improved.

The heat dissipation structure 3 further includes a surface cooler 6, and the surface cooler 6 is disposed in the frequency converter cavity 41. The surface cooler 6 can further cool the gas in the inverter chamber 41, thereby improving the cooling effect on the inverter elements. The surface cooler 6 can obtain a low-temperature refrigerant in a refrigerant circulation system where the compressor component is located, so that a refrigeration function is realized. In order to increase the cooling effect of the surface cooler 6, the heat dissipation structure 3 further includes a surface cooler fan 7, the surface cooler fan 7 is disposed on one side of the surface cooler 6, and the air outlet direction of the surface cooler fan 7 faces the frequency converter element. The surface cooler fan 7 is utilized to blow the cool air generated by the surface cooler 6 to the frequency converter element, so that the heat dissipation efficiency of the frequency converter element can be effectively improved, meanwhile, the surface cooler 6 is arranged, so that the temperature of the air in the frequency converter cavity 41 is low enough, the capacitor cavity 42 is communicated with the frequency converter cavity 41, the temperature of the air in the capacitor cavity 42 can be reduced, and the heat dissipation efficiency of the capacitor element is also improved. Further, the temperature of the condensed water in the inverter chamber 41 is relatively low, and the heat radiation effect of the condensed water on the compressor can be further improved.

As shown in fig. 1, the frequency converter element includes a first frequency converter assembly 51 and a second frequency converter assembly 52, the first frequency converter assembly 51 and the second frequency converter assembly 52 are disposed in the frequency converter cavity 41 in parallel, and the surface cooler 6 is disposed between the first frequency converter assembly 51 and the second frequency converter assembly 52. At this time, the surface cooler 6 is located in the circulation heat exchange flow channel 38, and the surface cooler 6 can cool the gas in the circulation heat exchange flow channel 38, so as to improve the heat dissipation effect on the first frequency converter assembly 51 and the second frequency converter assembly 52.

Because the surface cooler 6 has a low temperature, condensed water is generated on the surface cooler 6, therefore, a water accumulation groove 36 and a water discharge groove 37 are concavely formed on the bottom surface of the frequency converter cavity 41, one end of the water discharge groove 37 is communicated with the water accumulation groove 36, the other end is communicated with the capacitor cavity 42, and the surface cooler 6 is arranged in the water accumulation groove 36. The condensed water generated on the surface cooler 6 can directly flow into the water collecting tank and flows to the capacitor cavity 42 through the drainage function of the water discharging tank 37, and the water flowing into the water discharging tank 37 can also be attached to the inner wall of the capacitor cavity 42 because the water discharging tank 37 is attached to the inner wall of the capacitor cavity 42, so that the influence of the condensed water on the capacitor element is avoided, and the reliability of the capacitor element is ensured.

Wherein, the bottom surface height of ponding groove 36 is less than the mounting plane of first converter subassembly 51 and second converter subassembly 52, and the cross-section of water discharge groove 37 is square, and the tip that water discharge groove 37 and ponding groove 36 communicate is higher than its tip that communicates with electric capacity chamber 42, guarantees that the condensate water can be smooth inflow electric capacity intracavity 42.

The surface cooler 6 comprises a plurality of heat exchange coils which are mutually parallel, one end of each heat exchange coil is communicated through a branch pipeline to form a refrigerant inlet, and the other end is communicated through another branch pipeline to form a refrigerant outlet. In the refrigerant heat exchange cycle where the compressor component is located, the refrigerant bypassed by the condenser enters the heat exchange coil after being throttled, the refrigerant exchanges heat with external air through the heat exchange coil, the refrigerant absorbs heat through vaporization, and the external air releases heat and cools down, so that the purpose of cooling the air in the frequency converter cavity 41 is achieved.

An air conditioning system comprising the compressor assembly.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (18)

1. A compressor assembly, characterized by: comprising the following steps:

A compressor having a compressor housing (1);

The shell is arranged on the compressor shell (1), and the shell and the compressor shell (1) jointly enclose an element cavity, and condensed water in the element cavity flows through the compressor shell (1);

the component (2) is arranged in the element cavity;

And the heat dissipation structure (3) is arranged in the element cavity.

2. The compressor assembly of claim 1, wherein: the component cavity comprises a frequency converter cavity (41) and a capacitor cavity (42) which are communicated with each other, the frequency converter cavity (41) is located at the top of the compressor shell (1), the capacitor cavity (42) is located at one side of the compressor shell (1), the component (2) comprises a frequency converter component and a capacitor component, the frequency converter component is arranged in the frequency converter cavity (41), the capacitor component is arranged in the capacitor cavity (42), and the heat dissipation structure (3) is arranged in the frequency converter cavity (41).

3. The compressor assembly of claim 2, wherein: the plane of the bottom surface of the frequency converter cavity (41) is inclined with the horizontal plane, and the lowest point of the bottom surface of the frequency converter cavity (41) is communicated with the capacitor cavity (42).

4. The compressor assembly of claim 2, wherein: the compressor further comprises a motor, a motor shell of the motor forms part of the compressor shell (1), the shell and the motor shell jointly enclose the capacitor cavity (42), and condensed water in the frequency converter cavity (41) flows through the motor shell.

5. The compressor assembly of claim 4, wherein: the compressor assembly further comprises a motor wiring assembly (8), the motor wiring assembly (8) is arranged in the frequency converter cavity (41), the motor wiring assembly (8) is electrically connected with the motor, the component (2) is arranged on one side of the motor wiring assembly (8), and the heat dissipation structure (3) is arranged on the motor wiring assembly (8).

6. The compressor assembly of claim 5, wherein: the heat dissipation structure (3) comprises a semiconductor refrigeration mechanism (31), the semiconductor refrigeration mechanism (31) is provided with a hot end and a cold end (32) which are opposite, the hot end is arranged on the motor wiring assembly (8), and the cold end (32) of the semiconductor refrigeration mechanism (31) faces the inside of the frequency converter cavity (41).

7. The compressor assembly of claim 6, wherein: the heat radiation structure (3) further comprises a heat radiation fan (34), an air inlet is formed in the shell, the heat radiation fan (34) is arranged at the air inlet, and the air outlet direction of the heat radiation fan (34) points to the cold end (32) of the semiconductor refrigeration mechanism (31).

8. The compressor assembly of claim 2 or 7, wherein: the heat radiation structure (3) further comprises at least one circulating fan (35), a circulating heat exchange flow channel (38) is formed between the frequency converter element and the shell, the circulating fan (35) is arranged in the circulating heat exchange flow channel (38), and the air outlet direction of the at least one circulating fan (35) is directed to the frequency converter element.

9. The compressor assembly of claim 8, wherein: the circulating heat exchange flow passage (38) is annular in shape, and the circulating fan (35) is arranged at the annular corner.

10. The compressor assembly of claim 8, wherein: the frequency converter element comprises a first frequency converter assembly (51) and a second frequency converter assembly (52), the first frequency converter assembly (51) and the second frequency converter assembly (52) are arranged in the frequency converter cavity (41) in parallel, the air outlet direction of the circulating fan (35) on the left side of the first frequency converter assembly (51) faces the first frequency converter assembly (51), the air outlet direction of the circulating fan (35) on the right side of the first frequency converter assembly (51) faces the second frequency converter assembly (52), the air outlet direction of the circulating fan (35) on the right side of the second frequency converter assembly (52) faces the second frequency converter assembly (52), and the air outlet direction of the circulating fan (35) on the left side of the second frequency converter assembly (52) faces the first frequency converter assembly (51).

11. The compressor assembly of claim 7, wherein: the cold end (32) is provided with heat exchange fins (33), and the air outlet direction of the cooling fan (34) points to the heat exchange fins (33).

12. The compressor assembly of claim 11, wherein: and air flow channels are formed between the heat exchange fins (33), and the air flow direction in the air flow channels is the same as the air outlet direction of the cooling fan (34).

13. The compressor assembly of claim 12, wherein: the gas flow direction of the gas flow channel is directed towards the frequency converter element.

14. The compressor assembly of claim 2, wherein: the heat radiation structure (3) further comprises a surface cooler (6), and the surface cooler (6) is arranged in the frequency converter cavity (41).

15. The compressor assembly of claim 14, wherein: the heat radiation structure (3) further comprises a surface cooler fan (7), the surface cooler fan (7) is arranged on one side of the surface cooler (6), and the air outlet direction of the surface cooler fan (7) faces the frequency converter element.

16. The compressor assembly of claim 14, wherein: the frequency converter element comprises a first frequency converter assembly (51) and a second frequency converter assembly (52), the first frequency converter assembly (51) and the second frequency converter assembly (52) are arranged in the frequency converter cavity (41) in parallel, and the surface cooler (6) is arranged between the first frequency converter assembly (51) and the second frequency converter assembly (52).

17. The compressor assembly of claim 14, wherein: the bottom surface of the frequency converter cavity (41) is concavely provided with a water accumulation groove (36) and a water discharging groove (37), one end of the water discharging groove (37) is communicated with the water accumulation groove (36), the other end of the water discharging groove is communicated with the capacitor cavity (42), and the surface cooler (6) is arranged in the water accumulation groove (36).

18. An air conditioning system, characterized in that: comprising a compressor assembly according to any one of claims 1 to 17.