CN216122113U

CN216122113U - Rotary encoder assembly, motor, compressor and electric appliance

Info

Publication number: CN216122113U
Application number: CN202122630094.9U
Authority: CN
Inventors: 魏志远; 丁伟兵; 黎思远
Original assignee: Dorna Technology Co ltd; Servotronix Motion Control Shenzhen Co ltd; Guangdong Midea Intelligent Technologies Co Ltd
Current assignee: Dorna Technology Co ltd; Servotronix Motion Control Shenzhen Co ltd; Guangdong Midea Intelligent Technologies Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-03-22
Anticipated expiration: 2031-10-29
Also published as: WO2023071044A1

Abstract

An embodiment of the present invention provides a rotary encoder assembly, a motor, a compressor, and an electric appliance, wherein the rotary encoder assembly includes: an encoder fixing base; the encoder stator is arranged at one end of the encoder fixing base, and a matching notch is formed in one end, close to the encoder fixing base, of the encoder stator; the fixing structure is detachably connected with the encoder fixing base and is connected to the encoder fixing base, and the fixing structure is sleeved outside the matching notch; wherein, in the axial direction of encoder stator, fixed knot constructs and offsets with the cooperation breach, and on the terminal surface of encoder stator, fixed knot constructs the projection and at least partly overlaps with the projection of cooperation breach. According to the technical scheme, the encoder stator and the encoder fixing base can be fixed by utilizing the axial length of the encoder stator, the requirement on the machining precision of a fixing structure can be reduced during matching, and meanwhile, the structure of a rotary encoder assembly is simplified.

Description

Rotary encoder assembly, motor, compressor and electric appliance

Technical Field

The utility model relates to the technical field of motors, in particular to a rotary encoder assembly, a motor, a compressor and an electric appliance.

Background

At present, a rotary encoder assembly is usually added to the motor directly for measuring the rotating speed, however, when the existing rotary encoder is connected to the motor, usually, the additional connecting boss is adopted to realize connection, however, the design of the boss not only increases the overall axial length of the motor, but also increases the processing procedures, the corresponding material cost and the whole weight are increased, the end part of the rotary encoder is provided with an outer edge structure, the positioning surface of the encoder stator is transferred to the outermost circle of the encoder stator, the shell is generally formed by turning a steel pipe, the structure causes very large turning allowance, material waste and higher cost, meanwhile, the shell of the encoder stator is generally a thin-wall part, and the roundness of the inner circle and the outer circle of the thin-wall part is difficult to control, so that a special clamp is needed, and the production cost is additionally increased.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art or the related art.

In view of this, embodiments of the first aspect of the present invention provide a rotary encoder assembly.

Embodiments of a second aspect of the utility model provide an electric machine.

Embodiments of a third aspect of the present invention provide a compressor.

An embodiment of a fourth aspect of the utility model provides an electrical appliance.

To achieve the above object, an embodiment of a first aspect of the present invention provides a rotary encoder assembly, comprising: an encoder fixing base; the encoder stator is arranged at one end of the encoder fixing base, and a matching notch is formed in one end, close to the encoder fixing base, of the encoder stator; the fixing structure is detachably connected with the encoder fixing base and is connected to the encoder fixing base, and the fixing structure is sleeved outside the matching notch; wherein, in the axial direction of encoder stator, fixed knot constructs and offsets with the cooperation breach, and on the terminal surface of encoder stator, fixed knot constructs the projection and cooperates the projection of breach at least partial overlapping, and fixed knot constructs the projection and encoder fixed baseplate at least partial overlapping.

According to the first aspect of the present invention, the rotary encoder assembly mainly includes two parts, namely, an encoder fixing base and an encoder stator, which are connected with each other through a fixing structure, wherein the fixing structure and the encoder fixing base are detachably connected, and the encoder stator is connected to one end of the encoder fixing base through the fixing structure. Specifically, the connection between encoder stator and the encoder fixed baseplate is fixed and is realized through the cooperation between cooperation breach and the fixed knot structure, is provided with the cooperation breach in the one end that the encoder stator is close to the encoder fixed baseplate, and fixed knot structure itself belongs to with the encoder fixed baseplate and can dismantle the connection, the processing of being convenient for on the one hand, on the other hand is the installation of the staff of being convenient for more when the equipment, also does benefit to when breaking down to encoder fixed baseplate or encoder stator change alone.

Need emphasize, fixed knot constructs the cover and establishes outside the cooperation breach, in the axial direction of encoder stator, does not make the structure that probably increases axial length, utilizes the axial length of encoder stator self, increases fixed knot structure, can realize fixed between encoder stator and the encoder fixed baseplate, can reduce the machining precision demand to fixed knot structure when the cooperation, also simplifies the structure of rotary encoder subassembly simultaneously.

Wherein, cooperation between to encoder stator and the encoder fixed baseplate, fixed knot constructs mainly to play the spacing effect of axial, specifically, fixed knot constructs and cooperation breach axial counterbalance, exist range upon range of crisscross part between the two through restriction fixed knot constructs and cooperation breach, also be on the terminal surface projection promptly, the part that overlaps exists in the projection of the two, also there is the part of overlapping between fixed knot constructs and the encoder fixed baseplate simultaneously, thereby under the condition that fixed knot constructs the encoder fixed baseplate of being connected to, fixed knot constructs can play fixed effect to the encoder stator, specifically be connected together encoder stator and encoder fixed baseplate through the part that the two terminal surface projections overlap.

The fitting notches may be provided directly at the end of the encoder stator in the circumferential direction, or may be provided at intervals at the end of the encoder stator.

Among the above-mentioned technical scheme, the lateral wall of encoder stator is located along the circumference of encoder stator to the cooperation breach, and the rotary encoder subassembly still includes: the positioning opening is arranged on the radial inner side of the fixing structure; wherein, the shape of location mouth and the shape looks adaptation of cooperation breach, fixed knot constructs through location mouth and cooperation breach cooperation.

In this technical scheme, the cooperation breach sets up on the lateral wall along circumference, still is provided with the location mouth on the rotary encoder subassembly, and the location mouth provides the cooperation position for fixed knot constructs to be convenient for realize spacing to the encoder stator with the cooperation breach cooperation.

Wherein, through the shape looks adaptation of the shape of restriction location mouth and cooperation breach, when carrying out radial spacing, can improve joint strength with the specific position of surface contact's form restriction.

It can be understood that the fixed structure is hollow due to the arrangement of the positioning port, so that the matched notch is sleeved with the fixed structure, and the fixed structure plays a certain limiting role in the stator of the encoder.

In the above technical solution, further comprising: the first connecting hole is arranged on the fixed structure along the axial direction of the encoder stator; wherein, the connecting piece stretches into the encoder fixed baseplate through first connecting hole and is close to the one end of encoder stator to realize being connected of fixed knot structure and encoder fixed baseplate.

In this technical scheme, through set up first connecting hole on fixed knot constructs, can pass through first connecting hole under the effect of connecting piece and be connected to the fixed knot of fixed knot constructs to the encoder fixed baseplate on, specifically, the quantity of first connecting hole is one or more, and first connecting hole is the form of lining up along the axial to in the penetration of connecting piece.

It can be understood that the greater the number of the first connection holes, the more stable the connection between the encoder stator and the encoder fixing base is.

In the above technical scheme, include: and the connecting piece penetrates through the first connecting hole and then extends into the second connecting hole.

In this technical scheme, through set up one or more second connecting holes on encoder fixed baseplate for the fixed space that provides of connecting piece, specifically, first connecting hole and second connecting hole set up relatively, so that the connecting piece can pass first connecting hole setting in the second connecting hole, thereby fix fixed knot structure on encoder fixed baseplate.

Further, an internal thread, namely a threaded hole, can be arranged in the second connecting hole, and an external thread, namely a screw or a bolt, can be arranged on the outer side of the connecting piece.

The second connecting hole and the first connecting hole are correspondingly arranged, and the specific corresponding relation is coaxial.

In the above technical solution, further comprising: the dodging port is arranged on the fixing structure along the circumferential direction of the fixing structure.

In this technical scheme, through set up the mouth of dodging of circumference on fixed knot constructs, fixed knot constructs self and is the unclosed form, can dodge for the electric wire or other structures that need draw forth components and parts on the encoder fixed baseplate.

In the technical scheme, on the end face of the encoder stator, the central angle corresponding to the projection of the avoidance port is not more than 180 degrees.

In the technical scheme, the angle of the avoiding port is limited, so that the angle of the avoiding port does not exceed the integral half of the fixed structure, namely the central angle corresponding to the projection of the avoiding port on the end surface of the encoder stator is less than or equal to 180 degrees, and therefore the fixed effect of the fixed structure on the encoder stator can be guaranteed, and the connection reliability can be guaranteed.

Further, the central angle corresponding to the avoidance opening is 120 degrees.

In the above technical solution, further comprising: the dodging port is arranged on the fixed structure and penetrates through the two end faces of the fixed structure.

In this technical scheme, dodge the mouth through setting up on fixed knot constructs, can dodge for the electric wire or other structures that need draw forth components and parts on the encoder fixed baseplate. Specifically, dodge mouthful direct two terminal surfaces that run through fixed knot and construct to make the electric wire of the components and parts on the encoder fixed baseplate can pass and dodge mouthful and outwards draw forth, so that be connected with outside components and parts, thereby realize effects such as power supply or control or sensing.

In the above technical solution, further comprising: the first groove is formed by extending the end surface of the encoder fixing base close to the stator encoder to the direction far away from the stator encoder; wherein, the fixed knot constructs the tank bottom counterbalance with first groove to realize fixed knot constructs the axial spacing.

In this technical scheme, form first groove through inside extension on encoder fixed baseplate's terminal surface to in the space that provides fixed knot to construct, specifically, first groove sets up the one end that is close to fixed knot at encoder fixed baseplate, inwards extends on the terminal surface and forms, and to fixed knot structure, its bottom with first groove takes place the butt, in order to play unidirectional axial limiting displacement to fixed knot structure, the cell wall then can restrict fixed knot structure's radial movement scope.

In the above technical solution, further comprising: the second groove is arranged on the encoder fixing base and is formed by extending the first groove in the direction away from the stator encoder; the first bulge is arranged at one end of the encoder stator facing the encoder fixing base; the first protrusion abuts against the groove wall of the second groove to achieve radial limiting of the encoder stator.

In this technical scheme, form the second groove through continuing inwards hollowing out on the basis in first groove, and to the encoder stator, still be provided with first arch in the one end towards encoder fixed baseplate, first arch mainly stretches into the second inslot, thereby play certain limiting displacement to the radial movement of encoder stator under the effect of the cell wall in second groove, and play certain axial limiting displacement to fixed knot at first groove, fixed knot constructs owing to the cooperation breach cooperation, with the realization spacing to the axial of encoder stator, so under the combined action in first groove and second groove, can play spacingly to the radial and axial of encoder stator, and then realize the firm of connection.

Among the above-mentioned technical scheme, first arch is located the cooperation breach towards the one end of encoder fixed baseplate.

In this technical scheme, through setting up first arch in the one end of cooperation breach, usable cooperation breach self circumference is inside sunken characteristic, directly sets up in the one end of cooperation breach towards encoder fixed baseplate to on the basis that does not increase axial length, can realize the radial positioning to the encoder stator.

An embodiment of the second aspect of the present invention provides a motor, including the rotary encoder assembly in any of the above embodiments; the motor body is arranged at one end of the rotary encoder component, and a rotor structure extending outwards is arranged at one end of the motor body, which is far away from the rotary encoder component; wherein, the encoder fixed baseplate of the rotary encoder component is arranged on the motor body.

The motor provided by the utility model comprises a rotary encoder component and a motor body, wherein the electronic body is arranged at one end of the rotary encoder component, and the other end of the motor body is provided with a rotor structure, so that a load can be driven to rotate. Specifically, the encoder fixed baseplate of the rotary encoder assembly is arranged on the motor body, so that the encoder stator can be fixed on the motor body under the action of the fixed structure.

It should be noted that, since the motor of the present embodiment includes the rotary encoder assembly of any one of the above embodiments, the motor has the beneficial effects of any one of the above rotary encoder assemblies.

An embodiment of a third aspect of the present invention provides a compressor, including: the motor that casing and above-mentioned second aspect embodiment provided, the motor is located in the casing.

According to the compressor provided by the utility model, the compressor comprises the shell and the motor arranged in the shell, wherein the shell is used for protecting the structure inside the shell.

An embodiment of a fourth aspect of the present invention provides an electrical appliance, including: the box and the motor that the above-mentioned second aspect embodiment provided, the motor is located in the box.

According to the refrigeration equipment provided by the utility model, the refrigeration equipment comprises the box body and the motor arranged in the box body, wherein the box body is used for protecting the structure inside the box body.

The electric appliance can be refrigeration equipment, and the motor can be arranged in a compressor of the refrigeration equipment at the moment so as to drive the compressor to perform cyclic compression.

Of course, the electric device may also be an electric vehicle, and the electric vehicle is driven forward or backward by using the motor of the second embodiment as a driving member. At this time, the refrigeration equipment comprising the motor can be selected even in the refrigeration equipment of the electric vehicle, so that the application range of the motor is widened.

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

Drawings

FIG. 1 shows a schematic structural diagram of a rotary encoder assembly according to one embodiment of the present invention;

FIG. 2 shows a schematic structural diagram of an encoder mounting base according to an embodiment of the present invention;

FIG. 3 shows a schematic structural diagram of an encoder mounting base according to an embodiment of the present invention;

FIG. 4 shows an exploded view of a rotary encoder assembly according to one embodiment of the present invention;

FIG. 5 shows a schematic structural view of a fixation structure according to an embodiment of the present invention;

FIG. 6 shows a schematic structural diagram of an encoder stator according to an embodiment of the present invention;

FIG. 7 shows a schematic structural diagram of an encoder stator according to an embodiment of the present invention;

fig. 8 shows a schematic structural view of a motor according to an embodiment of the present invention;

fig. 9 shows a schematic configuration of a compressor according to an embodiment of the present invention;

FIG. 10 shows a schematic structural diagram of an appliance according to an embodiment of the present invention;

FIG. 11 illustrates a schematic structural diagram of a vehicle according to an embodiment of the present invention;

fig. 12 shows a schematic structural diagram of a vehicle according to an embodiment of the utility model.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 12 is:

100: a rotary encoder assembly; 102: an encoder fixing base; 1022: a second connection hole; 1024: a first groove; 1026: a second groove; 104: an encoder stator; 1042: a matching notch; 1044: a first protrusion; 106: a fixed structure; 1062: positioning the opening; 1064: a first connection hole; 1066: avoiding the mouth; 108: a connecting member; 200: a motor; 202: a motor body; 204: a rotor structure; 300: a compressor; 302: a housing; 400: an electrical appliance; 402: a box body; 500: a vehicle; 502: a chassis; 504: a vehicle body.

Detailed Description

In order that the above objects, features and advantages of the embodiments of the present invention can be more clearly understood, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

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

Some embodiments according to the utility model are described below with reference to fig. 1 to 12.

Example one

As shown in fig. 1 and fig. 4, the rotary encoder assembly 100 of the present embodiment mainly includes an encoder fixing base 102 and an encoder stator 104, which are connected to each other through a fixing structure 106, wherein the fixing structure 106 is detachably connected to the encoder fixing base 102, and the encoder stator 104 is connected to one end of the encoder fixing base 102 through the fixing structure 106. Specifically, as shown in fig. 6, the connection between the encoder stator 104 and the encoder fixing base 102 is fixed by the cooperation between the fitting notch 1042 and the fixing structure 106, the fitting notch 1042 is disposed at one end of the encoder stator 104 close to the encoder fixing base 102, the fixing structure 106 and the encoder fixing base 102 are detachably connected, on one hand, the encoder fixing base 102 is convenient to process, on the other hand, the encoder fixing base 102 or the encoder stator 104 is convenient to install by a processing worker during assembling, and the encoder fixing base 102 or the encoder stator 104 is also convenient to replace independently when a fault occurs.

It should be emphasized that the fixing structure 106 is sleeved outside the matching notch 1042, no extra axial length structure is made in the axial direction of the encoder stator 104, and the fixing structure 106 is added by using the axial length of the encoder stator 104 itself, so that the fixing between the encoder stator 104 and the encoder fixing base 102 can be realized, the requirement for the processing precision of the fixing structure 106 can be reduced during matching, and the structure of the rotary encoder assembly 100 is also simplified.

For the matching between the encoder stator 104 and the encoder fixing base 102, the fixing structure 106 mainly plays a role in axial limiting, specifically, the fixing structure 106 and the matching notch 1042 axially offset, and by limiting the existence of the stacked and staggered parts between the fixing structure 106 and the matching notch 1042, that is, in the end projection, the projections of the fixing structure 106 and the matching notch 1042 have overlapped parts, so that under the condition that the fixing structure 106 is connected to the encoder fixing base 102, the fixing structure 106 can play a role in fixing the encoder stator 104, specifically, the encoder stator 104 and the encoder fixing base 102 are connected together through the overlapped parts of the end projections of the fixing structure 106 and the encoder fixing base 102.

The fitting notches 1042 may be provided directly at the end of the encoder stator 104 in the circumferential direction, or may be provided at the end of the encoder stator 104 at intervals.

In a specific embodiment, as shown in fig. 5, a circumferential avoiding opening 1066 is formed in the fixing structure 106, and the fixing structure 106 itself is in a non-closed shape and can avoid an electric wire or other structures on the encoder fixing base 102 from which components need to be led out.

Furthermore, the angle of the avoiding opening 1066 is limited so that it does not exceed half of the whole fixed structure 106, that is, the central angle corresponding to the projection of the avoiding opening 1066 on the end surface of the encoder stator 104 is less than or equal to 180 °, thereby ensuring the fixing effect of the fixed structure 106 on the encoder stator 104, that is, the reliability of the connection.

Further, the bypass port 1066 corresponds to a central angle of 120 °.

In a more specific embodiment, as shown in fig. 2 and 3, the first and

second grooves

1024 and 1026 are directly disposed on the end surface of the encoder fixing base 102, and in particular, the first groove 1024 is formed on the end surface of the encoder fixing base 102 to extend inward so as to provide a space for the fixing structure 106, and in particular, the first groove 1024 is disposed at an end of the encoder fixing base 102 close to the fixing structure 106 and extends inward on the end surface, and for the fixing structure 106, the first groove abuts against a groove bottom of the first groove 1024 to provide a unidirectional axial limit for the fixing structure 106, and the groove wall limits a radial movement range of the fixing structure 106.

On the basis, the second groove 1026 is continuously hollowed inwards on the basis of the first groove 1024, and for the encoder stator 104, as shown in fig. 6 and 7, the first protrusion 1044 is further disposed at one end facing the encoder fixing base 102, and the first protrusion 1044 mainly extends into the second groove 1026, so that a certain limiting effect is exerted on the radial movement of the encoder stator 104 under the effect of the groove wall of the second groove 1026, a certain axial limiting effect is exerted on the fixing structure 106 by the first groove 1024, and the fixing structure 106 is matched by the matching notch 1042 to realize the axial limiting of the encoder stator 104, so that the radial and axial limiting effects of the encoder stator 104 can be realized under the combined action of the first groove 1024 and the second groove 1026, and further, the connection stability is realized.

By arranging the first protrusion 1044 at one end of the matching notch 1042, the feature that the matching notch 1042 is circumferentially recessed can be utilized to be directly arranged at one end of the matching notch 1042 facing the encoder fixing base 102, so that the radial positioning of the encoder stator 104 can be realized on the basis of not increasing the axial length.

Example two

As shown in fig. 1 and fig. 2, the rotary encoder assembly 100 of the present embodiment mainly includes an encoder fixing base 102 and an encoder stator 104, which are connected to each other through a fixing structure 106, wherein the fixing structure 106 is detachably connected to the encoder fixing base 102, and the encoder stator 104 is connected to one end of the encoder fixing base 102 through the fixing structure 106. Specifically, the connection between the encoder stator 104 and the encoder fixing base 102 is fixed through the cooperation between the cooperation notch 1042 and the fixing structure 106, the cooperation notch 1042 is arranged at one end, close to the encoder fixing base 102, of the encoder stator 104, the fixing structure 106 and the encoder fixing base 102 are detachably connected, on one hand, the encoder stator is convenient to process, on the other hand, installation of processing personnel is more convenient during assembly, and the encoder fixing base 102 or the encoder stator 104 is independently replaced when a fault occurs.

As shown in fig. 6, the matching notch 1042 is circumferentially disposed on the sidewall, the rotary encoder assembly 100 is further provided with a positioning hole 1062, and the positioning hole 1062 provides a matching position for the fixing structure 106, so as to facilitate the matching with the matching notch 1042 to limit the encoder stator 104.

It can be understood that the positioning hole 1062 is disposed to make the fixing structure 106 hollow so as to be sleeved at the matching notch 1042, thereby limiting the position of the encoder stator 104.

EXAMPLE III

Further, a first connection hole 1064 is provided on the fixing structure 106, and the fixing structure 106 can be connected to the encoder fixing base 102 through the first connection hole 1064 under the action of the connection element 108, specifically, the number of the first connection holes 1064 is one or more, and the first connection holes 1064 are through in the axial direction, so as to facilitate the penetration of the connection element 108.

It can be understood that the greater the number of the first connection holes 1064, the more stable the connection between the encoder stator 104 and the encoder fixing base 102.

One or more second connection holes 1022 are provided on the encoder fixing base 102 to provide a space for the attachment of the coupling member 108, and in particular, the first connection hole 1064 and the second connection hole 1022 are oppositely disposed so that the coupling member 108 can be disposed in the second connection hole 1022 through the first connection hole 1064, thereby fixing the fixing structure 106 on the encoder fixing base 102.

Further, the second connecting hole 1022 may be internally threaded, i.e., a threaded hole, and the outside of the connecting member 108 may be externally threaded, i.e., a screw or bolt, etc.

The second connection hole 1022 and the first connection hole 1064 are correspondingly disposed, and a specific corresponding relationship is coaxial.

In a more specific embodiment, a rotary encoder assembly 100 is provided, wherein the stator is engaged with the radial positioning surface of the end cover (i.e., the encoder fixing base 102) via the radial positioning surface of the outer stator diameter of the rotary encoder assembly 100, the radial positioning of the stator of the rotary encoder assembly 100 is completed, the axial positioning surface of the end cover is engaged with the axial positioning surface of the stator lower axial positioning surface of the rotary encoder assembly 100, the axial positioning surface of the stator of the rotary encoder assembly 100 is engaged with the axial positioning surface of the annular fixing structure 106, the axial positioning of the encoder stator 104 is completed, the annular fixing structure 106 is radially positioned with the outer stator outer circumferential surface of the rotary encoder assembly 100 via the radial positioning surface, and finally the annular fixing structure 106 and the stator of the rotary encoder assembly 100 are completely constrained on the rear end cover via the fastening screws (i.e., the connecting members 108) passing through the through holes (the first connecting holes 1064) of the annular fixing structure 106, an annular stationary structure 106 of the stator of the rotary encoder assembly 100 is achieved. The advantages are that: and fewer parts are used, the processing complexity of part of parts is reduced, and the manufacturing process is optimized.

Through above-mentioned embodiment, compare in the scheme that increases the boss in encoder stator 104 bottom, increase the problem of complicated switching material, the annular fixed knot who constructs 106 of this embodiment is simple, because encoder stator 104 passes through the location of rear end cap indent structure, so, shortens encoder stator 104 overall structure in the axial, and then shortens motor length, has simplified encoder stator 104 mounting process, and simultaneously, simple annular fixed knot constructs 106 the cost is reduced. Compare in the scheme of stator shell increase outer edge structure simultaneously, encoder stator 104 outer edge installation face machining precision, the higher problem of anchor clamps requirement, encoder stator 104 structure is simplified to this embodiment, reduces the material waste, reduces overall cost.

Meanwhile, the annular structure is an unsealed circular ring and is a possible line outlet structure of the end cover, a structure avoidance (about 1/3) is made, the structure is simple, and the universality is high; if the annular structure is made of the impact-resistant material, the impact resistance of the whole structure can be improved, and the vibration resistance and the stability of the encoder are improved.

Example four

As shown in fig. 8, the motor 200 of the present embodiment includes two parts, namely a rotary encoder assembly 100 and a motor body 202, wherein the electronic body is disposed at one end of the rotary encoder assembly 100, and the other end of the motor body 202 is disposed with a rotor structure 204, so as to drive a load to rotate. Specifically, the encoder mounting base 102 of the rotary encoder assembly 100 is disposed on the motor body 202 such that the encoder stator 104 is secured to the motor body 202 by the mounting structure 106. It should be noted that, since the motor 200 of the present embodiment includes the rotary encoder assembly 100 of any one of the above embodiments, the motor has the beneficial effects of any one of the above rotary encoder assemblies 100.

EXAMPLE five

As shown in fig. 9, the compressor 300 provided in this embodiment includes a housing 302 and the motor 200 disposed in the housing 302, and the motor 200 in any of the embodiments is disposed in the housing 302, so that the beneficial effects of the motor 200 are achieved, and the description thereof is omitted.

EXAMPLE six

As shown in fig. 10, the electric appliance 400 provided in this embodiment includes a box 402 and a motor disposed in the box 402, and the refrigeration device is provided with the motor 200 in any embodiment, so that the beneficial effects of the motor 200 are achieved, and the details are not repeated herein.

In a specific embodiment, the appliance is a refrigeration device, including but not limited to a refrigerator, freezer, air conditioner, or the like having a refrigeration function.

When the appliance is a refrigeration appliance, the motor 200 is disposed within the compressor.

EXAMPLE seven

As shown in fig. 11, the present embodiment proposes a vehicle 500 including: the chassis 502 is provided with a motor cabin, and the motor 200 of the above embodiment is arranged in the motor cabin. The chassis 502 is provided with a motor compartment for protecting the motor, wherein the motor is the motor provided in the above embodiment, and has the beneficial effects of the above embodiment of the motor.

Example eight

As shown in fig. 12, the present embodiment proposes a vehicle 500 including: the vehicle body 504 is provided with the refrigeration equipment of the above embodiment on the vehicle body 504.

The refrigeration equipment is arranged on the vehicle body and used for adjusting the temperature of air in the vehicle body, wherein the refrigeration equipment is the refrigeration equipment in the embodiment, so that the refrigeration equipment has the beneficial effects in the embodiment of the refrigeration equipment.

According to the rotary encoder assembly, the motor, the compressor, the refrigeration equipment and the vehicle, the fixing structure is sleeved outside the matching gap, a structure which can possibly increase the axial length is not made in the axial direction of the encoder stator, the encoder stator and the encoder fixing base can be fixed by utilizing the axial length of the encoder stator, the requirement on the machining precision of the fixing structure can be reduced during matching, and meanwhile, the structure of the rotary encoder assembly is simplified.

In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means 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 utility model. In this specification, the schematic representations of the terms used above 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 is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotary encoder assembly, comprising:

an encoder fixing base;

the encoder stator is arranged at one end of the encoder fixing base, and a matching notch is formed in one end, close to the encoder fixing base, of the encoder stator;

the fixing structure is detachably connected with the encoder fixing base and is connected to the encoder fixing base, and the fixing structure is sleeved outside the matching notch;

the fixing structure is abutted to the matching notch in the axial direction of the encoder stator, the projection of the fixing structure is at least partially overlapped with the projection of the matching notch on the end face of the encoder stator, and the projection of the fixing structure is at least partially overlapped with the projection of the encoder fixing base.

2. The rotary encoder assembly of claim 1, wherein the engagement notch is provided in a sidewall of the encoder stator along a circumferential direction of the encoder stator, the rotary encoder assembly further comprising:

the positioning opening is arranged on the radial inner side of the fixing structure;

the shape of the positioning opening is matched with that of the matching notch, and the fixing structure is matched with the matching notch through the positioning opening.

3. The rotary encoder assembly of claim 2, further comprising:

the first connecting hole is arranged on the fixed structure along the axial direction of the encoder stator;

the connecting piece extends into one end, close to the encoder stator, of the encoder fixing base through the first connecting hole, so that the fixing structure is connected with the encoder fixing base.

4. The rotary encoder assembly of claim 3, comprising:

and the connecting piece penetrates through the first connecting hole and then extends into the second connecting hole.

5. The rotary encoder assembly of claim 1, further comprising:

and the avoidance port is arranged on the fixed structure along the circumferential direction of the fixed structure.

6. The rotary encoder assembly of claim 5, wherein a projection of the avoidance orifice on the encoder stator end face corresponds to a central angle of no more than 180 °.

7. The rotary encoder assembly of claim 1, further comprising:

and the avoiding port is arranged on the fixed structure and penetrates through the two end faces of the fixed structure.

8. The rotary encoder assembly of any one of claims 1 to 7, further comprising:

the first groove is formed by extending the end surface of the encoder fixing base close to the stator encoder in the direction far away from the stator encoder;

the fixed structure is abutted against the groove bottom of the first groove so as to realize axial limiting of the fixed structure.

9. The rotary encoder assembly of claim 8, further comprising:

the second groove is arranged on the encoder fixing base and is formed by extending the first groove in the direction far away from the stator encoder;

the first bulge is arranged at one end, facing the encoder fixing base, of the encoder stator;

the first protrusion abuts against the groove wall of the second groove to achieve radial limiting of the encoder stator.

10. The rotary encoder assembly of claim 9, wherein the first protrusion is disposed at an end of the engagement indentation facing the encoder mounting base.

11. An electric machine, comprising:

the rotary encoder assembly of any one of claims 1 to 10;

the motor body is arranged at one end of the rotary encoder component, and a rotor structure extending outwards is arranged at one end of the motor body, which is far away from the rotary encoder component;

the encoder fixing base of the rotary encoder component is arranged on the motor body.

12. A compressor, comprising:

a housing;

the electric machine of claim 11 disposed within the housing.

13. An electrical appliance, comprising:

a box body;

the electric machine of claim 11, disposed within the housing.