CN114233610B

CN114233610B - Horizontal compressor

Info

Publication number: CN114233610B
Application number: CN202111484414.2A
Authority: CN
Inventors: 刘文智; 高斌; 张里华
Original assignee: Guangdong Meizhi Compressor Co Ltd; Guangdong Meizhi Precision Manufacturing Co Ltd
Current assignee: Guangdong Meizhi Compressor Co Ltd; Guangdong Meizhi Precision Manufacturing Co Ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2023-09-22
Anticipated expiration: 2041-12-07
Also published as: CN114233610A

Abstract

The invention discloses a horizontal compressor. The horizontal compressor comprises a shell, wherein the shell comprises a shell body and an end part shell body arranged at one axial end of the shell body, the end part shell body is provided with a wiring terminal, the periphery of the shell body is connected with a liquid reservoir, the center of the end part shell body is used as a first axis parallel to a mounting surface, the first axis is divided into two parts by the center of the end part shell body, a part far away from the liquid reservoir is configured as a reference shaft, the center of the wiring terminal is not lower than the first axis, and the included angle between the center of the wiring terminal and the center of the end part shell body and the reference shaft is alpha, and the alpha meets the following formula: alpha is more than or equal to 0 DEG and less than or equal to 110 deg. According to the horizontal compressor, the included angle alpha between the connecting line of the center of the connecting terminal and the center of the end shell and the reference shaft is designed to be more than or equal to 0 degrees and less than or equal to 110 degrees, so that the design position of the connecting terminal is higher than the oil surface in the shell, and the horizontal compressor is ensured to have a higher insulation resistance value.

Description

Horizontal compressor

Technical Field

The invention relates to the technical field of compressors, in particular to a horizontal compressor.

Background

The compressor is a driven fluid machine that converts low pressure gas into high pressure gas and is an important component of a refrigeration system. Because the axis is arranged horizontally, the refrigerating oil of the horizontal compressor is horizontally distributed along the inner wall of the shell, and the connecting terminals are arranged on the shell, when the design position of the connecting terminals is low, the connecting terminals are possibly immersed in the refrigerating oil, which can lead to unqualified insulation resistance of the compressor, and therefore, the design position of the connecting terminals of the horizontal compressor is higher than the oil level of the compressor.

In the related art, in order to ensure that the height position of the connecting terminal is higher than the oil level, the shell is generally inclined upwards by a certain angle, and the position of the connecting terminal can be ensured to be higher than the oil level by adopting the mode. If the axis of the compressor is still horizontally arranged, when the horizontal angle between the connecting terminal and the compressor exceeds a certain angle, the system wiring height to which the connecting terminal is connected exceeds the installation height of the compressor, which also increases the installation space of the compressor.

Disclosure of Invention

The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art. In order to achieve the above object, an object of the present invention is to provide a horizontal compressor, in which the connection terminals are located at a higher position than the oil level inside the housing.

The horizontal compressor according to an embodiment of the present invention includes: the shell, the shell includes the casing body and sets up the tip casing of the axial one end of casing body, the tip casing is provided with binding post, the periphery of casing body is connected with the reservoir, through the center of tip casing makes the first axis that is on a parallel with the installation face, first axis by the center of tip casing divides into two parts, wherein keep away from the part of reservoir is constructed as the reference shaft, binding post's center is not less than first axis, just binding post's center with the contained angle that the connecting wire of tip casing's center is alpha with the reference shaft, alpha satisfies relational expression: alpha is more than or equal to 0 DEG and less than or equal to 110 deg.

According to the horizontal compressor provided by the embodiment of the invention, the design position of the wiring terminal is higher than the oil surface in the shell by designing the included angle alpha between the connecting line between the center of the wiring terminal and the center of the end shell and the reference shaft to be more than or equal to 0 degrees and less than or equal to 110 degrees.

According to some embodiments of the invention, the α further satisfies the relation: alpha is more than or equal to 10 degrees and less than or equal to 100 degrees.

According to some embodiments of the invention, the terminal is connected with a system wiring, the system wiring is located outside the shell, the horizontal compressor further comprises a terminal cover covered on the terminal, the terminal cover is provided with a lead port, and the system wiring is led out from the lead port.

Further, the system wiring led out from the lead port is interposed between the highest mounting surface of the horizontal compressor and the bottom horizontal tangential surface of the housing.

Still further, the system wiring led out from the lead opening is interposed below a top horizontal section of the housing, and the top horizontal section is not higher than the highest mounting surface.

According to some embodiments of the invention, the angle between the center line of the lead opening and the reference axis is beta, and the beta satisfies the relation: -40 ° -70 ° or less of β, wherein the lead opening is above the first axis when the β is a positive angle and below the first axis when the β is a negative angle.

Further, the β further satisfies the relation: beta is more than or equal to 30 degrees and less than or equal to 60 degrees.

According to some embodiments of the invention, the angle between the connecting line of the center of the connection terminal and the center of the end housing and the center line of the lead opening is in the range of 35 ° -45 °.

Optionally, an angle between a connecting line of the center of the connection terminal and the center of the end housing and a center line of the wire lead opening is 40 °.

According to some embodiments of the invention, the end housing is welded with a bolt, and the terminal cover is fixed to the bolt by a nut.

Additional aspects and advantages of the invention 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 invention.

Drawings

Fig. 1 is a schematic view showing an arrangement of a connection terminal of a horizontal compressor in a first position according to an embodiment of the present invention;

fig. 2 is a schematic view showing an arrangement of a terminal cover of a horizontal compressor in a first position according to an embodiment of the present invention;

fig. 3 is a schematic view showing an arrangement of a connection terminal of the horizontal compressor in a second position according to an embodiment of the present invention;

fig. 4 is a schematic view showing an arrangement of a terminal cover of a horizontal compressor in a second position according to an embodiment of the present invention;

fig. 5 is a schematic view of a horizontal compressor according to another embodiment of the present invention.

Reference numerals:

the horizontal compressor 100, the end housing 1, the top horizontal section 11, the connection terminal 2, the terminal cover 3, the lead port 31, the ground plate 4, the bolt 5, the nut 6, the mounting surface 71, the first axis 72, the highest mounting surface 73, the second axis 74, the base 8, the reservoir 20, and the system wiring 30.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited 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 formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Hereinafter, a horizontal compressor 100 according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 5.

Referring to fig. 1-4, a horizontal compressor 100 according to an embodiment of the present invention may include a housing.

Specifically, the housing may include an end housing 1 and a housing body, where the end housing 1 is disposed at one axial end of the housing body, and in some embodiments, the end housing 1 and the housing body may be integrally formed, and in other embodiments, the end housing 1 and the housing body may be fixedly connected by welding or the like. The inside compression part installation space that forms of casing body, the frozen oil is in compression part installation space along the inner wall level distribution of casing body.

The housing body may be cylindrical, and the axis of the housing body is horizontally arranged, that is, the horizontal compressor 100 is horizontally arranged, so that the size of the horizontal compressor 100 in the height direction can be reduced, and the height installation space can be saved. At least one end of the housing body is open, and the end housing 1 is disposed at the open end of the housing body.

The lower part of the shell body is connected with the base 8, the lower surface of the base 8 is the mounting surface 71, and the mounting surface 71 is a horizontal plane, so that the horizontal compressor 100 is stable and is not easy to turn on one's side when the horizontal compressor 100 is placed on the ground or a table top. In some embodiments, the projection of the base 8 on the mounting surface 71 is greater than the total projection of the housing body and the end housing 1 on the mounting surface 71, which may further promote the smoothness of the horizontal compressor 100 when placed on a floor or table.

In some embodiments, referring to fig. 1 to 5, at least one terminal 2 is provided on the end housing 1, and an inner end of the terminal 2 protrudes into the compression member installation space, and an outer end of the terminal 2 is exposed at an outer surface of the end housing 1. The terminal 2 may be welded to the end housing 1 by welding such as resistance welding.

In some embodiments, as shown with reference to fig. 1-4, the outer periphery of the housing body may be connected with a reservoir 20, the reservoir 20 may also be cylindrical, and the axis of the reservoir 20 may also be disposed horizontally, such that the axis of the reservoir 20 is parallel to the axis of the housing.

In some embodiments, referring to fig. 1-4, a first axis 72 is provided and the first axis 72 is secured through the center of the end housing 1, and the first axis 72 is parallel to the mounting face 71, that is, the first axis 72 is disposed horizontally. The first axis 72 is divided into two parts by the center of the end housing 1, one part being away from the reservoir 20 and the other part being close to the reservoir 20, the part being away from the reservoir 20 being formed as a reference axis. For example, in fig. 1 to 4, the center of the end housing 1 is a point a, the first axis 72 is divided into two parts by the center a of the end housing 1, one part is located to the left of the center a of the end housing 1, the other part is located to the right of the center a of the end housing 1, and the part located to the left of the point a is formed as a reference axis.

The center B point of the connection terminal 2 is higher than the first axis 72, or the center B point of the connection terminal 2 is flush with the first axis 72, and the refrigerant oil is not higher than the first axis 72, so that the design position of the connection terminal 2 is higher than the oil level of the refrigerant oil inside the housing, thereby ensuring that the horizontal compressor 100 has a higher insulation resistance value. The center B point of the terminal 2 and the center a point of the end housing 1 are connected, the connecting line is L1, and the included angle formed between the L1 and the reference axis is α, and as shown in fig. 1 and 3, α satisfies the following relation: alpha is more than or equal to 0 DEG and less than or equal to 110 DEG, thereby ensuring that the center B point of the connecting terminal 2 is not lower than the first axis 72.

Alternatively, α may be 5 °, 50 °, 80 °, 105 °, or the like.

According to the horizontal compressor 100 provided by the embodiment of the invention, the design position of the wiring terminal 2 is higher than the oil surface in the shell by designing the included angle alpha between the connecting line L1 of the center A point of the wiring terminal 2 and the center B point of the end shell 1 and the reference shaft to be more than or equal to 0 degrees and less than or equal to 110 degrees, so that the horizontal compressor 100 is ensured to have a higher insulation resistance value.

In some embodiments of the present invention, α may further satisfy the following relationship: 10.ltoreq.α.ltoreq.100°, for example, α may be 30 °, 60 °, or the like. This further ensures that the design position of the connection terminal 2 is higher than the oil level inside the housing.

In some embodiments of the present invention, the terminal 2 may be connected to the system wiring 30, the system wiring 30 is located at the outer side of the housing, the horizontal compressor 100 may further include a terminal cover 3, the terminal cover 3 is covered at the outer side of the terminal 2, the terminal cover 3 may be used to protect the terminal 2, a terminal accommodating cavity is formed between the outer surface of the end housing 1 and the terminal cover 3, the terminal 2 is located in the terminal accommodating cavity, the terminal cover 3 has a lead port 31, the lead port 31 communicates the terminal accommodating cavity with the outside, the system wiring 30 and the terminal 2 are led out from the lead port 31 after being connected in the terminal accommodating cavity, and the terminal cover 3 may be used to protect a connection portion of the system wiring 30 and the terminal 2.

Referring to fig. 2 and 4, the horizontal compressor 100 has a highest mounting surface 73, the highest mounting surface 73 is located above the horizontal compressor 100, and the highest mounting surface 73 is flush with a horizontal tangential plane of the highest component of the horizontal compressor 100. The housing has a bottom horizontal section that is flush with the lower surface horizontal section of the base 8, i.e., the bottom horizontal section may be coplanar with the mounting surface 71. The system wiring 30 is led out from the lead port 31 with the system wiring 30 being located between the highest mounting surface 73 and the bottom horizontal tangential plane, whereby the system wiring 30 makes full use of the housing side space and an increase in the mounting height of the horizontal compressor 100 can be avoided.

Still further, referring to fig. 2 and 4, the housing has a top horizontal section 11, the top horizontal section 11 may be a horizontal section where the top-most bus of the housing body is located, the system wiring 30 is led out from the lead port 31, and the system wiring 30 is located below the top horizontal section 11, and the top horizontal section 11 is lower than the highest mounting surface 73, or the top horizontal section 11 is flush with the highest mounting surface 73.

In some embodiments of the present invention, the centerline of the lead opening 31 is L2, and the angle formed between L2 and the reference axis is β, as shown in fig. 2 and 4, which satisfies the following relationship: -40 +.beta.ltoreq.70, for example β may be-35 °, -15 °, 20 °, 65 °, etc., where β is a positive angle (i.e. β > 0 °) the lead opening 31 is arranged above the first axis 72 and β is a negative angle (i.e. β < 0 °) the lead opening 31 is arranged below the first axis 72.

As the second axis 74 and ensuring that the second axis 74 passes through the center a point of the end housing 1, and that the second axis 74 is perpendicular to the mounting surface 71, since-40 deg. beta.ltoreq.70 deg., the lead port 31 is located on the left side of the second axis 74, and therefore the system wiring 30 is also located on the left side of the second axis 74, the system wiring from the left side of the horizontal compressor 100, making full use of the left side space of the horizontal compressor 100.

When β=70°, the lead port 31 is located at the leftmost upper side, the highest position of the system wiring 30 is still lower than the highest mounting surface 73 of the horizontal compressor 100 after the system wiring 30 is mounted, i.e., the system wiring 30 is still located between the highest mounting surface 73 and the bottom horizontal tangential plane (i.e., the mounting surface 71), and at this time α may also be the maximum, i.e., α=110°, and the connection terminal 2 is still above the oil level. When β= -40 °, the lead opening 31 is located at the far left lower side, the lowest position of the system wiring 30 is still higher than the bottom horizontal section of the housing, i.e. the system wiring 30 is still located between the highest mounting surface 73 and the bottom horizontal section, and at this time α may also be minimum, i.e. α=0°, the connection terminal 2 is still above the oil level. That is, β satisfies-40+.β.ltoreq.70°, it is possible to ensure that the left space of the horizontal compressor 100 can be maximally utilized, and the installation height of the horizontal compressor 100 is not increased.

Further, β may further satisfy the following relationship: -30 DEG.ltoreq.beta.ltoreq.60 DEG, for example beta may be-20 DEG, 15 DEG, 30 DEG, 50 DEG etc.

In some embodiments of the present invention, the connection line formed by connecting the center B point of the connection terminal 2 and the center a point of the end housing 1 is L1, and the range of an included angle formed between L1 and the center line L2 of the lead opening 31 is γ (not labeled in the figure), where γ satisfies the relationship: 35 DEG.ltoreq.gamma.ltoreq.45 DEG, for example, gamma may be 38 DEG, 42 DEG, etc.

Alternatively, the angle γ formed between L1 and L2 is 40 °.

In some embodiments of the present invention, the end housing 1 is provided with a bolt 5, the bolt 5 may be welded to the end housing 1 by welding such as resistance welding, and the terminal cover 3 is fixed to the bolt 5 by a nut 6. Specifically, the terminal cover 3 is provided with a mounting hole, and the bolt 5 is threaded through the mounting hole and then is screwed with the nut 6, thereby fixing the terminal cover 3 to the end housing 1. The number of the mounting holes can be one or a plurality of, and the bolts 5 and the nuts 6 are in one-to-one correspondence with the number and the positions of the mounting holes.

In some embodiments of the present invention, referring to fig. 1 to 5, the end housing 1 is further provided with a grounding plate 4, and the grounding plate 4 is used for grounding, so as to improve the use safety of the horizontal compressor 100. The number of the ground plates 4 may be two as shown in fig. 1 to 4. The number of the ground plates 4 may be one as shown in fig. 5. The grounding plate 4 can be welded and fixed to the end housing 1 by welding such as resistance welding, and the position of the grounding plate 4 can be adjusted adaptively according to the wiring requirements of the system.

According to the horizontal compressor 100 of the embodiment of the present invention, by designing α to be 0 ° -110 ° and β to be-40 ° -70 °, it is possible to ensure that the terminal position is higher than the oil level, and at the same time, the system wiring 30 can utilize the left space of the horizontal compressor 100 to the maximum extent, so that the height installation space of the horizontal compressor is not increased.

Note that fig. 1 to 4 show only the cross section of the horizontal compressor 100, and therefore, points a, B, L1, L2, the mounting surface 71, the first axis 72, the highest mounting surface 73, and the second axis 74 are all shown in the cross section.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims

1. A horizontal compressor, comprising: the shell, the shell includes the casing body and sets up the tip casing of the axial one end of casing body, the tip casing is provided with binding post, the periphery of casing body is connected with the reservoir, through the center of tip casing makes the first axis that is on a parallel with the installation face, first axis by the center of tip casing divides into two parts, wherein keep away from the part of reservoir is constructed as the reference shaft, binding post's center is not less than first axis, just binding post's center with the contained angle that the connecting wire of tip casing's center is alpha with the reference shaft, alpha satisfies relational expression: alpha is more than or equal to 0 degree and less than or equal to 110 degrees;

the horizontal compressor further comprises a terminal cover covered on the wiring terminal, the terminal cover is provided with a lead port, the system wiring is led out from the lead port, and the system wiring led out from the lead port is arranged between the highest mounting surface of the horizontal compressor and the bottom horizontal tangent plane of the shell; the included angle between the central line of the lead wire opening and the reference shaft is beta, and the beta satisfies the relation: -40 ° -70 ° or less of β, wherein the lead opening is above the first axis when the β is a positive angle and below the first axis when the β is a negative angle.

2. The horizontal compressor of claim 1, wherein α further satisfies the relationship: alpha is more than or equal to 10 degrees and less than or equal to 100 degrees.

3. The horizontal compressor of claim 1, wherein the system wiring leading from the lead port is below a top horizontal section of the housing, and the top horizontal section is not higher than the highest mounting surface.

4. The horizontal compressor of claim 1, wherein β further satisfies the relationship: beta is more than or equal to 30 degrees and less than or equal to 60 degrees.

5. The horizontal compressor of claim 1, wherein a connecting line of a center of the connection terminal and a center of the end housing forms an angle ranging from 35 ° to 45 ° with a center line of the lead port.

6. The horizontal compressor of claim 1, wherein a connecting line of a center of the connection terminal and a center of the end housing forms an angle of 40 ° with a center line of the lead port.

7. The horizontal compressor of claim 1, wherein the end housing is welded with a bolt, and the terminal cover is fixed to the bolt by a nut.