CN219865473U

CN219865473U - Compressor and vehicle

Info

Publication number: CN219865473U
Application number: CN202223268339.9U
Authority: CN
Inventors: 赵宇晶悦; 马宇山; 鲜柳
Original assignee: Anqing Weiling Auto Parts Co ltd; Guangdong Welling Auto Parts Co Ltd; Anhui Welling Auto Parts Co Ltd
Current assignee: Anqing Weiling Auto Parts Co ltd; Guangdong Welling Auto Parts Co Ltd; Anhui Welling Auto Parts Co Ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-10-20
Anticipated expiration: 2032-12-07

Abstract

The utility model provides a compressor and a vehicle, wherein the compressor comprises: a shell provided with a suction inlet and a discharge outlet; the bracket is arranged on the shell, and a motor cavity is enclosed between the first side of the bracket and the inner surface of the shell; the compression part is positioned in the shell and comprises a bearing, the bearing is connected to the second side of the bracket, and a silencing cavity is formed between the bearing and the bracket in a surrounding manner; the baffle is arranged in the bracket and positioned in the silencing cavity, the baffle divides the silencing cavity into a plurality of subchambers, and any two adjacent subchambers in the subchambers are communicated; the motor cavity is communicated with the suction inlet and the compression part, and the silencing cavity is communicated with the compression part and the discharge outlet.

Description

Compressor and vehicle

Technical Field

The utility model relates to the technical field of motors, in particular to a compressor and a vehicle.

Background

The compressor is the core component of refrigeration plant for the car, and the compressor work can produce vibration noise, influences car noise and produces subjective hearing problem. In the related art, high-pressure refrigerant discharged from a compression part of a compressor enters a high-pressure cavity and then directly leaves the compressor through a discharge hole, and exhaust airflow noise and pressure pulsation generated during operation of the compressor easily excite resonance of each component in a thermal management system on an automobile, so that the problems of automobile noise and vibration are caused.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art or related art.

To this end, a first aspect of the utility model proposes a compressor.

A second aspect of the present utility model proposes a vehicle.

In view of this, a first aspect of the present utility model proposes a compressor comprising: a shell provided with a suction inlet and a discharge outlet; the bracket is arranged on the shell, and a motor cavity is enclosed between the first side of the bracket and the inner surface of the shell; the compression part is positioned in the shell and comprises a bearing, the bearing is connected to the second side of the bracket, and a silencing cavity is formed between the bearing and the bracket in a surrounding manner; the baffle is arranged in the bracket and positioned in the silencing cavity, the baffle divides the silencing cavity into a plurality of subchambers, and any two adjacent subchambers in the subchambers are communicated; the motor cavity is communicated with the suction inlet and the compression part, and the silencing cavity is communicated with the compression part and the discharge outlet.

The utility model provides a compressor which comprises a shell, a bracket, a compression part and a partition plate.

A motor cavity is formed between the first side of the support and the inner surface of the shell in a surrounding mode, the motor cavity is used for storing a motor of the compressor, the motor cavity is communicated with the suction inlet, and the motor cavity is communicated with the compression part.

The compression part comprises a bearing, the bearing is connected with the second side of the support, a silencing cavity is surrounded between the bearing and the support, the silencing cavity is communicated with the compression part, and the silencing cavity is communicated with the exhaust port of the shell.

Specifically, when the compressor operates, the gaseous refrigerant enters the motor cavity from the suction inlet of the shell and then enters the compression part to work, the gaseous refrigerant forms a high-pressure gaseous refrigerant after passing through the compression part, most of the high-pressure gaseous refrigerant flows to the silencing cavity and then is discharged out of the compressor through the discharge outlet on the shell.

Further, the baffle is arranged on the support, and the baffle is used for separating the silencing cavity into a plurality of subchambers, wherein any two adjacent subchambers in the subchambers are communicated, that is, the existing structures of the support and the bearing are reasonably utilized, so that the high-pressure gaseous refrigerant enters the silencing cavity, passes through the subchambers and is discharged to the discharge port. This arrangement reduces the modification cost of the product.

It can be understood that the baffle separates the inner space of the silencing cavity to separate a plurality of subchambers, and the volume of any subchamber in the plurality of subchambers is smaller than the volume of the silencing cavity, so that the high-pressure gaseous refrigerant flows through the subchamber, and compared with the high-pressure gaseous refrigerant, the high-pressure gaseous refrigerant flows through the silencing cavity without the baffle, thereby realizing throttling and noise reduction. That is, the high-pressure gaseous refrigerant flows through the plurality of sub-cavities, and the flow path of the high-pressure gaseous refrigerant is prolonged by the partition plate, so that when the high-pressure gaseous refrigerant is folded through the cavity walls of the plurality of sub-cavities, part of static pressure energy of the air flow is consumed to overcome resistance of the air flow on the cavity walls of the plurality of sub-cavities, friction force between the air flow and vortex formed after the air flow flows through the cavity walls of the plurality of sub-cavities, and the pressure and the flow velocity of the discharged gaseous refrigerant are reduced, so that the aim of eliminating noise is fulfilled. Therefore, the air flow noise and pulsation of the compressor are improved, the noise of the compressor in operation is reduced, resonance of each component in the thermal management system on the automobile can be avoided, and the operation noise and vibration of the automobile are reduced.

The compressor according to the present utility model may further have the following additional technical features:

in the above technical scheme, further, a gap is formed between the partition plate and the bearing, and any two adjacent subchambers are communicated through the gap.

In this technical scheme, through the cooperation structure of reasonable setting baffle and bearing for have the gap between baffle and the bearing, that is, the baffle extends to the bearing from the support, and baffle and bearing separation set up, form the gap between one side that the baffle deviates from the support and the bearing.

Any two adjacent subchambers in the plurality of subchambers are communicated through a gap, for example, a high-pressure gaseous refrigerant flows to the gap between the baffle plate and the bearing under the guidance of the baffle plate and then flows to the other subchamber through the gap.

This set up rationally utilized the current structure of bearing and support, through limiting the positional relationship of baffle and bearing, when guaranteeing the validity and the feasibility that form a plurality of subchambers, satisfied the user demand of the intercommunication of arbitrary two adjacent subchambers in a plurality of subchambers, avoided the device ground input of the intercommunication arbitrary two adjacent subchambers, be favorable to reducing the transformation cost of product.

In any of the above technical solutions, further, the partition plate is provided with a communication portion, and any two adjacent subchambers are communicated through the communication portion.

In this technical scheme, through the structure of reasonable setting baffle for the baffle is equipped with the intercommunication portion, and the intercommunication portion is used for the intercommunication arbitrary adjacent two subchambers.

The partition plate serves as a carrier of the communication portion, that is, the partition plate has the function of forming the cavity wall of the subchamber and the function of communicating any adjacent two subchambers. The separator has multiple functions.

This set up rationally utilized the current structure of bearing and support, through the structure that prescribes a limit to the baffle, when guaranteeing validity and the feasibility that forms a plurality of subchambers, satisfied the user demand of the intercommunication of arbitrary two adjacent subchambers in a plurality of subchambers, avoided the device ground input of the intercommunication arbitrary two adjacent subchambers, be favorable to reducing the transformation cost of product.

In any of the above aspects, further, the communication portion includes a communication port and/or a communication groove.

In this technical scheme, the communication portion includes the communication mouth, or the communication portion includes the intercommunication groove, or the communication portion includes communication mouth and intercommunication groove.

Specifically, the communicating portion is sectioned in a direction perpendicular to the thickness direction of the separator, and in the section, the shape surrounded by the contour line of the communicating portion includes a circle, a triangle, a rectangle, a special shape, and the like, which are not listed here. Wherein, the special-shaped refers to an irregularly shaped graph.

In any of the above technical solutions, further, the flow cross-sectional area of the slit is S1, the flow cross-sectional area of the silencing chamber is S2, wherein,the width of the gap is more than or equal to 2mm.

In any of the above technical solutions, further, the communication portion has an overcurrent cross-sectional area S1, and the silencing chamber has an overcurrent cross-sectional area S2, wherein,the inner diameter of the communicating portion is 2mm or more.

In this technical scheme, when arbitrary two adjacent subchambers pass through the gap intercommunication, inject the cooperation structure of gap and amortization chamber for the cross-sectional area that overflows of gap marks as S1, and the cross-sectional area that overflows of amortization chamber marks as S2, and wherein, S1 and S2 satisfy:and the width of the gap is greater than or equal to2mm. That is, the mating relationship of the through-flow cross-sectional area of the slit and the through-flow cross-sectional area of the sound attenuation chamber is defined, and the dimension of the width of the slit is defined.

The arrangement can ensure the quantity of high-pressure gaseous refrigerants flowing from one sub-cavity to the other sub-cavity in unit time, and the condition of increasing the operation noise of the compressor due to lower refrigerant flow rate in unit time can not occur.

When any two adjacent subchambers are communicated through the communication part, the matching structure of the communication part and the silencing cavity is limited, so that the overcurrent cross-sectional area of the communication part is recorded as S1, the overcurrent cross-sectional area of the silencing cavity is recorded as S2, and the S1 and the S2 satisfy the following conditions:and the inner diameter of the communicating part is more than or equal to 2mm. That is, the fitting relationship of the flow-through cross-sectional area of the communication portion and the flow-through cross-sectional area of the sound deadening chamber is defined, and the inner diameter dimension of the communication portion is defined.

Specifically, the communicating portion is sectioned in a direction perpendicular to the thickness direction of the separator, and when the shape enclosed by the contour line of the communicating portion in the section is not circular, the inner diameter of the communicating portion refers to the maximum distance between two points on the contour line.

In any of the above-described aspects, further, the number of the partition plates is plural, and the plural partition plates are arranged at intervals around the axis of the compression portion.

In this technical solution, the number of the partition plates is plural, and the fitting structure of the plurality of partition plates and the compression portion is defined such that the plurality of partition plates are arranged at intervals around the axis of the compression portion, and thus the plurality of subchambers formed are arranged at intervals around the axis of the compression portion. The arrangement prolongs the flow path of the high-pressure gaseous refrigerant, so that when the high-pressure gaseous refrigerant is deflected by the cavity walls of the plurality of subchambers, part of static pressure energy of the air flow is consumed to overcome resistance of the air flow on the cavity walls of the plurality of subchambers, friction force between the air flow and vortex formed after the air flow flows through the cavity walls of the plurality of subchambers, thereby reducing pressure and flow velocity of the discharged gaseous refrigerant and achieving the purpose of eliminating noise.

In any of the above technical solutions, further, a subchamber with the largest volume among the plurality of subchambers is referred to as a first subchamber, and a subchamber with the smallest volume is referred to as a second subchamber, and a ratio of the volume of the first subchamber to the volume of the second subchamber is greater than 1 and less than 2.

In the technical scheme, through reasonably setting the matching relation of the plurality of subchambers, the subchamber with the largest volume in the plurality of subchambers is marked as a first subchamber, and the subchamber with the smallest volume in the plurality of subchambers is marked as a second subchamber. The volume of the first subchamber is denoted V1, the volume of the second subchamber is denoted V2, and the ratio of the volume of the first subchamber to the volume of the second subchamber is greater than 1 and less than 2, i.e.,the arrangement limits the relation between the volume of the first subchamber and the volume of the second subchamber, the volume of the first subchamber is not much larger than that of the second subchamber, a flow path of high-pressure gaseous refrigerants can be ensured, and effective and reliable structural support is provided for throttling and noise reduction of the silencing chamber.

If the ratio of the volume of the first sub-cavity to the volume of the second sub-cavity is greater than or equal to 2, the difference between the volume of the first sub-cavity and the volume of the second sub-cavity is larger, so that the flow velocity change of the high-pressure gaseous refrigerant flowing through the first sub-cavity and the second sub-cavity is increased, the angle of airflow deflection is overlarge, noise reduction is not facilitated, and the improvement effect of airflow noise and pulsation of the compressor is poor.

In any of the above technical solutions, further, the compressor further includes: and the sealing part is positioned at the joint of the bracket and the bearing.

In this technical scheme, through the structure that rationally sets up the compressor for the compressor still includes sealing, and sealing is located the junction of support and bearing, i.e. sealing connects between support and bearing. The sealing part has the function of sealing the joint of the bracket and the bearing, and the condition that the gaseous refrigerant leaks from the joint of the bracket and the bearing is avoided. The air tightness of the silencing cavity can be ensured, so that the gaseous refrigerant in the silencing cavity can flow to the exhaust port of the shell according to a preset path.

In any of the above aspects, further, the sealing portion includes: a metal substrate; the elastic layer is coated on the outer surface of the metal substrate and is abutted between the support and the bearing.

In this technical scheme, sealing includes metal substrate and elastic layer, and the elastic layer cladding metal substrate's surface, and metal substrate has the effect of supporting and fixed elastic layer, and the elastic layer is located the junction of support and bearing, and the elastic layer butt is in between support and the bearing, and the gap of support and bearing can be effectively filled to the elastic layer, guarantees the gas tightness of support and bearing junction.

Specifically, the elastic layer includes a rubber layer and a plastic layer.

In any of the above technical solutions, further, the support is provided with a first opening and a second opening, the first opening is communicated with the compression part and the silencing cavity, and the second opening is communicated with the silencing cavity and the discharge port.

In this technical scheme, the support is equipped with first opening and second opening, and first opening is used for communicating compression portion and amortization chamber, and the second opening is used for communicating amortization chamber and discharge port. This arrangement can ensure the flow path of the gaseous refrigerant.

Specifically, the support is arranged in the shell. Alternatively, the bracket is sandwiched between the first and second cases. Alternatively, the bracket is integrally formed with the first shell, such as injection molded or stamped. Alternatively, the bracket is integrally formed with the second housing, such as injection molded or stamped.

A second aspect of the present utility model proposes a vehicle comprising: the compressor of any one of the first aspects.

The vehicle provided by the utility model comprises the compressor according to any one of the first aspect, so that the vehicle has all the beneficial effects of the compressor, which are not stated herein.

It should be noted that the vehicle may be a new energy automobile. The new energy automobile comprises a pure electric automobile, a range-extended electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile and the like.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 shows a cross-sectional view of a compressor according to one embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the compressor of the first embodiment of FIG. 1 taken along the direction A-A;

FIG. 3 is a cross-sectional view of the compressor of the second embodiment of FIG. 1 taken along the direction A-A;

FIG. 4 is a cross-sectional view of the compressor of the third embodiment of FIG. 1 taken along the direction A-A;

fig. 5 is a graph showing a transfer loss curve of a related art compressor and a compressor of the present utility model.

Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 4 is:

100 compressors, 110 casings, 114 covers, 116 first casings, 118 second casings, 119 discharge holes, 120 brackets, 122 first openings, 124 second openings, 130 motor cavities, 140 motors, 150 compression parts, 152 bearings, 154 crankshafts, 160 silencing cavities, 162 subchambers, 170 partition plates, 180 slits, 190 communication parts, 200 electric control parts, 210 first fasteners, 220 second fasteners, 230 high-pressure cavities.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

Referring now to fig. 1-5, a compressor 100 and a vehicle according to some embodiments of the present utility model.

As shown in fig. 1, 2, 3 and 4, according to some embodiments of the present utility model, the compressor 100 includes a housing 110, a bracket 120, a compressing part 150 and a partition 170.

The housing 110 is provided with a suction port and a discharge port.

The bracket 120 is provided to the housing 110.

A motor cavity 130 is defined between the first side of the bracket 120 and the inner surface of the housing 110.

The compression portion 150 is located within the housing 110.

The compression part 150 includes a bearing 152, the bearing 152 being connected to the second side of the bracket 120, and a sound deadening chamber 160 being defined between the bearing 152 and the bracket 120.

The partition 170 is disposed in the bracket 120 and is disposed in the sound deadening chamber 160.

The partition 170 divides the sound deadening chamber 160 into a plurality of subchambers 162, and any two adjacent subchambers 162 of the plurality of subchambers 162 communicate.

The motor chamber 130 communicates with the suction port and the compression portion 150, and the muffler chamber 160 communicates with the compression portion 150 and the discharge port.

In this embodiment, the compressor 100 includes a housing 110, a bracket 120, a compression portion 150, and a partition 170.

A motor chamber 130 is defined between the first side of the bracket 120 and the inner surface of the housing 110, the motor chamber 130 is used for storing a motor 140 of the compressor 100, the motor chamber 130 is communicated with the suction port, and the motor chamber 130 is communicated with the compression part 150.

The compression part 150 includes a bearing 152, the bearing 152 is connected to the second side of the bracket 120, a sound deadening chamber 160 is enclosed between the bearing 152 and the bracket 120, the sound deadening chamber 160 is communicated with the compression part 150, and the sound deadening chamber 160 is communicated with the discharge outlet of the housing 110.

Specifically, when the compressor 100 is operated, the gaseous refrigerant enters the motor cavity 130 from the suction inlet of the housing 110 and then enters the compression part 150 to operate, the gaseous refrigerant forms a high-pressure gaseous refrigerant after passing through the compression part 150, and most of the high-pressure gaseous refrigerant flows to the silencing cavity 160 and then is discharged out of the compressor 100 through the discharge outlet on the housing 110.

Specifically, the casing 110 includes a cover plate 114, a first casing 116, and a second casing 118, a high-pressure chamber 230 is defined between the second casing 118 and the compression part 150, a discharge hole 119 is provided in the second casing 118, and the high-pressure chamber 230 communicates with the discharge hole 119. Another portion of the high-pressure gaseous refrigerant flows to the high-pressure chamber 230 and then flows out of the compressor 100 through the discharge hole 119.

Further, the partition 170 is disposed on the support 120, and the partition 170 is used for dividing the silencing cavity 160 into a plurality of subchambers 162, wherein any two adjacent subchambers 162 of the plurality of subchambers 162 are communicated, that is, after the high-pressure gaseous refrigerant enters the silencing cavity 160, the high-pressure gaseous refrigerant passes through the plurality of subchambers 162 and is discharged to the discharge port.

It can be appreciated that the separator 170 separates the inner space of the muffler chamber 160 to separate a plurality of subchambers 162, and the volume of any subchamber 162 of the plurality of subchambers 162 is smaller than the volume of the muffler chamber 160, so that the high-pressure gaseous refrigerant flows through the subchamber 162, and compared with the high-pressure gaseous refrigerant flowing through the muffler chamber 160 without the separator 170, the throttling noise reduction is realized. That is, the high-pressure gaseous refrigerant flows through the plurality of subchambers 162, and the separator 170 is configured to extend the flow path of the high-pressure gaseous refrigerant, so that when the high-pressure gaseous refrigerant is deflected by the chamber walls of the plurality of subchambers 162, a part of static pressure energy of the air flow is consumed to overcome resistance of the air flow on the chamber walls of the plurality of subchambers 162, friction between the air flows, and vortex formed after the air flow flows through the chamber walls of the plurality of subchambers 162, thereby reducing pressure and flow velocity of the discharged gaseous refrigerant, and achieving the purpose of eliminating noise. In this way, the air flow noise and pulsation of the compressor 100 are improved, which is beneficial to reducing the noise when the compressor 100 operates, so that the resonance of each component in the thermal management system on the automobile can be avoided being excited, and the operation noise and vibration of the automobile can be reduced.

In some embodiments, as shown in fig. 1 and 2, a gap 180 is provided between the diaphragm 170 and the bearing 152.

Any two adjacent subchambers 162 communicate through a slit 180.

In this embodiment, by properly configuring the mating structure of the diaphragm 170 and the bearing 152 such that a gap 180 is provided between the diaphragm 170 and the bearing 152, i.e., the diaphragm 170 extends from the bracket 120 toward the bearing 152, and the diaphragm 170 is disposed apart from the bearing 152, a gap 180 is formed between the side of the diaphragm 170 facing away from the bracket 120 and the bearing 152.

Any two adjacent subchambers 162 of the plurality of subchambers 162 are in communication via a gap 180, e.g., high pressure gaseous refrigerant is directed by the diaphragm 170 to the gap 180 between the diaphragm 170 and the bearing 152 and then to the other subchamber 162 via the gap 180.

This arrangement rationally utilizes the existing structure of bearing 152 and bracket 120, through limiting the positional relationship of baffle 170 and bearing 152, when guaranteeing to form validity and feasibility of a plurality of subchambers 162, satisfied the user demand of the intercommunication of two arbitrary adjacent subchambers 162 in a plurality of subchambers 162, avoided the device ground input of the intercommunication of two arbitrary adjacent subchambers 162, be favorable to reducing the transformation cost of product.

In some embodiments, as shown in fig. 1 and 3, the diaphragm 170 is provided with a communication portion 190.

Any two adjacent subchambers 162 are communicated through the communication portion 190.

In this embodiment, by properly disposing the partition 170, the partition 170 is provided with the communication portion 190, and the communication portion 190 is used to communicate any adjacent two subchambers 162.

The partition 170 serves as a carrier of the communication portion 190, that is, the partition 170 has both the function of forming the chamber walls of the subchambers 162 and the function of communicating any adjacent two subchambers 162. The diaphragm 170 has multiple functions.

This arrangement rationally utilizes the existing structure of bearing 152 and bracket 120, through the structure that prescribes a limit to baffle 170, when guaranteeing the validity and feasibility that form a plurality of subchambers 162, satisfied the user demand of the intercommunication of arbitrary two adjacent subchambers 162 in a plurality of subchambers 162, avoided the device ground input of intercommunication arbitrary two adjacent subchambers 162, be favorable to reducing the transformation cost of product.

In some embodiments, the communication 190 includes a communication port and/or a communication slot.

In this embodiment, the communication portion 190 includes a communication port, or the communication portion 190 includes a communication groove, or the communication portion 190 includes a communication port and a communication groove.

Specifically, the communication portion 190 is sectioned in a direction perpendicular to the thickness direction of the separator 170, and in the section, the shape surrounded by the contour line of the communication portion 190 includes a circle, a triangle, a rectangle, a special shape, and the like, which are not listed here. Wherein, the special-shaped refers to an irregularly shaped graph.

In some embodiments, the through-flow cross-sectional area of either of the slit 180 and the communication 190 is S1.

The through-flow cross-sectional area of the sound deadening chamber 160 is S2.

Wherein,,the width of the slit 180 is 2mm or more, and the inner diameter of the communication portion 190 is 2mm or more.

In this embodiment, when any two adjacent subchambers 162 are communicated through the slit 180, the mating structure of the slit 180 and the sound deadening chamber 160 is defined such that the flow cross-sectional area of the slit 180 is denoted as S1 and the flow cross-sectional area of the sound deadening chamber 160 is denoted as S2, where S1 and S2 satisfy:and the width of the slit 180 is 2mm or more. That is, the mating relationship of the through-flow cross-sectional area of the slit 180 and the through-flow cross-sectional area of the sound deadening chamber 160 is defined, and the dimension of the width of the slit 180 is defined.

Specifically, the slit 180 is sectioned in a direction perpendicular to the thickness direction of the separator 170, and in the section, the area of the shape surrounded by the contour line of the slit 180 is the flow-through sectional area of the slit 180.

Specifically, the muffler chamber 160 is sectioned in a direction perpendicular to the thickness direction of the separator 170, and in the section, the area of the shape surrounded by the contour line of the muffler chamber 160 is the flow-through sectional area of the muffler chamber 160.

This arrangement ensures the amount of high pressure gaseous refrigerant flowing from one subchamber 162 to another subchamber 162 per unit time without increasing the operating noise of the compressor 100 due to the low flow rate of refrigerant per unit time.

When any two adjacent subchambers 162 are communicated by the communicating portion 190, the mating structure of the communicating portion 190 and the silencing chamber 160 is defined such that the flow cross-sectional area of the communicating portion 190 is denoted as S1 and the flow cross-sectional area of the silencing chamber 160 is denoted as S2, where S1 and S2 satisfy:and the inner diameter of the communication portion 190 is 2mm or more. That is, the fit relationship of the flow-through cross-sectional area of the communication portion 190 and the flow-through cross-sectional area of the sound deadening chamber 160 is defined, and the inner diameter dimension of the communication portion 190 is defined.

Specifically, the communication portion 190 is sectioned in a direction perpendicular to the thickness direction of the separator 170, and in the section, an area of a shape surrounded by the contour line of the communication portion 190 is an overcurrent sectional area of the communication portion 190.

Specifically, the communication portion 190 is sectioned in a direction perpendicular to the thickness direction of the separator 170, and in the section, when the shape enclosed by the contour line of the communication portion 190 is not circular, the inner diameter of the communication portion 190 refers to the maximum distance between two points on the contour line.

In some embodiments, as shown in fig. 1 and 4, the number of the partition plates 170 is plural, and the plurality of partition plates 170 are arranged at intervals around the axis of the compression portion 150.

In this embodiment, the number of the partition plates 170 is plural, and the mating structure of the plurality of partition plates 170 and the compression portion 150 is defined such that the plurality of partition plates 170 are spaced around the axis of the compression portion 150, and thus the plurality of subchambers 162 are formed spaced around the axis of the compression portion 150. The arrangement prolongs the flow path of the high-pressure gaseous refrigerant, so that when the high-pressure gaseous refrigerant is deflected by the cavity walls of the plurality of subchambers 162, a part of static pressure energy of the air flow is consumed to overcome the resistance of the air flow on the cavity walls of the plurality of subchambers 162, the friction force between the air flow and the vortex formed after the air flow flows through the cavity walls of the plurality of subchambers 162, thereby reducing the pressure and the flow velocity of the discharged gaseous refrigerant and achieving the purpose of eliminating noise.

Specifically, a gap 180 is provided between a portion of the plurality of diaphragms 170 and the bearing 152. Another part of the plurality of separators 170 is provided with a communication portion 190.

Specifically, any one of the plurality of diaphragms 170 has a gap between the bearing 152 and the diaphragm 170.

Specifically, a communication portion 190 is provided on any one of the separators 170.

In some embodiments, the largest volume subchamber 162 of the plurality of subchambers 162 is referred to as the first subchamber 162 and the smallest volume subchamber 162 is referred to as the second subchamber 162.

The ratio of the volume of the first subchamber 162 to the volume of the second subchamber 162 is greater than 1 and less than 2.

In this embodiment, by reasonably setting the fitting relationship of the plurality of subchambers 162, the subchamber 162 having the largest volume among the plurality of subchambers 162 is denoted as the first subchamber 162, and the subchamber 162 having the smallest volume among the plurality of subchambers 162 is denoted as the second subchamber 162. The volume of the first subchamber 162 is denoted as V1, the volume of the second subchamber 162 is denoted as V2, and the ratio of the volume of the first subchamber 162 to the volume of the second subchamber 162 is greater than 1 and less than 2, i.e.,this arrangement defines the relationship between the volume of the first subchamber 162 and the volume of the second subchamber 162, and the volume of the first subchamber 162 is not significantly greater than the volume of the second subchamber 162, so that a high pressure gaseous refrigerant flow path can be ensured, and an effective and reliable structural support is provided for throttling and noise reduction of the sound attenuation chamber 160.

If the ratio of the volume of the first subchamber 162 to the volume of the second subchamber 162 is greater than or equal to 2, the difference between the volumes of the first subchamber 162 and the second subchamber 162 is greater, so that the flow velocity variation of the high-pressure gaseous refrigerant flowing through the first subchamber 162 and the second subchamber 162 is increased, the angle of airflow deflection is too large, and thus noise reduction is not facilitated, and the improvement effect of airflow noise and pulsation of the compressor 100 is poor.

Specifically, the ratio of the volume of the first subchamber 162 to the volume of the second subchamber 162 includes 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, etc., which are not specifically recited herein.

In some embodiments, compressor 100 further includes a seal.

The seal is located at the junction of the bracket 120 and the bearing 152.

In this embodiment, by properly configuring the compressor 100, the compressor 100 further includes a sealing portion at the junction of the bracket 120 and the bearing 152, that is, the sealing portion is connected between the bracket 120 and the bearing 152. The sealing part has the function of sealing the joint of the bracket 120 and the bearing 152, and the condition that the gaseous refrigerant leaks out from the joint of the bracket 120 and the bearing 152 is avoided. The airtightness of the sound deadening chamber 160 can be ensured so that the gaseous refrigerant in the sound deadening chamber 160 flows to the discharge port of the casing 110 according to a preset path.

In some embodiments, the seal includes a metal substrate and an elastic layer.

The elastic layer covers the outer surface of the metal substrate.

The elastic layer abuts between the bracket 120 and the bearing 152.

In this embodiment, the sealing portion includes a metal substrate and an elastic layer, the elastic layer covers the outer surface of the metal substrate, the metal substrate has the function of supporting and fixing the elastic layer, the elastic layer is located at the connection position of the support 120 and the bearing 152, and the elastic layer is abutted between the support 120 and the bearing 152, and the elastic layer can effectively fill the gap 180 between the support 120 and the bearing 152, so as to ensure the air tightness of the connection position of the support 120 and the bearing 152.

Specifically, the elastic layer includes a rubber layer and a plastic layer.

In some embodiments, as shown in fig. 1, 2, 3, and 4, the bracket 120 is provided with a first opening 122 and a second opening 124.

The first opening 122 communicates the compression portion 150 and the sound deadening chamber 160.

The second opening 124 communicates the sound deadening chamber 160 with the discharge port.

In this embodiment, the bracket 120 is provided with a first opening 122 and a second opening 124, the first opening 122 being for communicating the compression portion 150 and the sound deadening chamber 160, and the second opening 124 being for communicating the sound deadening chamber 160 and the discharge port. This arrangement can ensure the flow path of the gaseous refrigerant.

A vehicle according to still further embodiments of the present utility model includes: the compressor 100 of any of the embodiments described above.

The compressor 100 includes a housing 110, a bracket 120, a compression part 150, and a partition 170.

The bracket 120, the compression portion 150, and the diaphragm 170 are all located within the housing 110.

Specifically, the compressor 100 includes a housing 110, a bracket 120, a compression part 150, and a partition 170. The housing 110 includes a first shell 116, a second shell 118, and a cover 114.

When the compressor 100 is in normal operation, the gaseous refrigerant enters the motor chamber 130 from the suction inlet of the compressor 100, flows through the motor 140 and the bracket 120 to enter the compression part 150 to operate, and part of the high-pressure gaseous refrigerant formed after the refrigerant passes through the compression part 150 enters the silencing chamber 160 and then is discharged out of the compressor 100 through the discharge outlet.

The compression part 150 is a rotor type compression structure, and the compression part 150 includes a bearing 152, a cylinder, and a crankshaft 154. The enclosed cavity defined between the bracket 120 and the bearing 152 is a sound deadening chamber 160. According to the utility model, the partition 170 is added on the bracket 120, the partition 170 divides the silencing cavity 160 into the plurality of subchambers 162, any two adjacent subchambers 162 in the plurality of subchambers 162 are communicated, and the airflow noise and pulsation of the compressor 100 are improved.

The number of the partition plates 170 may be 1 or more.

At least one vent hole is formed in the diaphragm 170 or a gap 180 is provided between the bearings 152 of the diaphragm 170. The discharge holes and slits 180 are used for discharging gas out of the compressor 100.

The thickness of the separator 170 is 0.5mm or more and 5mm or less. For example, the thickness of the separator 170 includes 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, and the like, which are not exemplified herein.

The through-flow cross-sectional area of either of the slit 180 and the communication portion 190 is S1, and the through-flow cross-sectional area of the muffler chamber 160 is S2, wherein,the width of the slit 180 is 2mm or more, and the inner diameter of the communication portion 190 is 2mm or more.

The subchamber 162 having the largest volume among the plurality of subchambers 162 is referred to as a first subchamber 162, and the subchamber 162 having the smallest volume is referred to as a second subchamber 162, and a ratio of the volume of the first subchamber 162 to the volume of the second subchamber 162 is greater than 1 and less than 2.

The joint of the bracket 120 and the bearing 152 is provided with a sealing part, the sealing part comprises a metal substrate and an elastic layer, and the elastic layer coats the outer surface of the metal substrate. The elastic layer comprises a rubber layer and a plastic layer.

Specifically, the refrigerant includes: r134a refrigerant, R744 refrigerant, R290 refrigerant, or R1234yf refrigerant.

Specifically, the crankshaft 154 passes through the center of the bracket 120 and the bearing 152, and the bearing 152 is secured to the bracket 120 by a first fastener 210 (e.g., a bolt).

Specifically, the diaphragm 170 is integrally formed with the bracket 120. Due to the fact that the assembly process of the partition 170 and the bracket 120 is omitted, the assembly and subsequent disassembly processes of the partition 170 and the bracket 120 are simplified, assembly and disassembly efficiency is improved, and production and maintenance cost can be reduced. In addition, the diaphragm 170 is integrally formed with the bracket 120 to ensure the accuracy of the molding dimension of the product. For example, the bracket 120 is integrally formed with the diaphragm 170 by stamping, for example, the bracket 120 is integrally injection molded with the diaphragm 170.

Specifically, the partition 170 is detachably connected to the bracket 120, and the partition 170 is connected to the bracket 120 in any one of or a combination of the following manners: the clamping connection, the screw connection and the fastening connection through a fastener (such as a screw, a bolt or a rivet).

Specifically, as shown in fig. 2, 3 and 4, the compressor 100 further includes a second fastener 220, and the second fastener 220 is used to connect the bearing 152 and the cylinder.

Specifically, as shown in fig. 1, the compressor 100 further includes an electric control unit 200, and the electric control unit 200 is disposed in the casing.

Specifically, fig. 5 shows a comparison of transmission loss curves of the related art compressor 100 and the compressor 100 of the present utility model, and it is understood that the higher the value of transmission loss, the better the noise reduction effect. As can be seen from fig. 5, when the frequency is greater than 1480Hz, the noise reduction effect of the compressor 100 of the present utility model is much better than that of the compressor 100 in the related art.

In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A compressor, comprising:

a shell provided with a suction inlet and a discharge outlet;

the bracket is arranged on the shell, and a motor cavity is surrounded between the first side of the bracket and the inner surface of the shell;

the compression part is positioned in the shell and comprises a bearing, the bearing is connected to the second side of the bracket, and a silencing cavity is formed between the bearing and the bracket in a surrounding manner;

the baffle is arranged in the support and positioned in the silencing cavity, the baffle divides the silencing cavity into a plurality of subchambers, and any two adjacent subchambers in the subchambers are communicated;

the motor cavity is communicated with the suction inlet and the compression part, and the silencing cavity is communicated with the compression part and the discharge outlet.

2. The compressor of claim 1, wherein a gap is provided between the partition plate and the bearing, and any adjacent two of the subchambers communicate through the gap.

3. The compressor according to claim 1, wherein the partition plate is provided with a communication portion through which any adjacent two of the subchambers communicate.

4. A compressor according to claim 3, wherein the communication portion includes a communication port and/or a communication groove.

5. The compressor of claim 2, wherein the gap has a cross-sectional area of S1 and the sound deadening chamber has a cross-sectional area of S2, wherein,the width of the gap is more than or equal to 2mm.

6. A compressor according to claim 3, wherein the communication portion has an overcurrent cross-sectional area S1, and the muffler chamber has an overcurrent cross-sectional area S2, wherein,the inner diameter of the communicating part is more than or equal to 2mm.

7. The compressor according to any one of claims 1 to 6, wherein the number of the partition plates is plural, and a plurality of the partition plates are arranged at intervals around the axis of the compression portion.

8. The compressor of any one of claims 1 to 6, wherein the subchamber having the largest volume among the plurality of subchambers is denoted as a first subchamber and the subchamber having the smallest volume is denoted as a second subchamber, and a ratio of the volume of the first subchamber to the volume of the second subchamber is greater than 1 and less than 2.

9. The compressor according to any one of claims 1 to 6, further comprising:

and the sealing part is positioned at the joint of the bracket and the bearing.

10. The compressor of claim 9, wherein the sealing portion includes:

a metal substrate;

and the elastic layer is coated on the outer surface of the metal substrate and is abutted between the bracket and the bearing.

11. The compressor according to any one of claims 1 to 6, wherein the bracket is provided with a first opening that communicates with the compression portion and the sound deadening chamber, and a second opening that communicates with the sound deadening chamber and the discharge port.

12. A vehicle, characterized by comprising:

the compressor of any one of claims 1 to 11.