Branching box and air conditioner

Abstract

The utility model discloses a branch box and an air conditioner. The branch box comprises a box body, and the side wall of the box body is provided with a first penetrating hole, a second penetrating hole, a third penetrating hole and a fourth penetrating hole. The pipeline assembly is partially located in the box body and comprises a second low-pressure pipeline, a high-pressure pipeline, a throttling component and a first low-pressure pipeline, the high-pressure pipeline, the throttling component and the first low-pressure pipeline are sequentially connected, the throttling component is located in the box body, and the end, away from the throttling component, of the high-pressure pipeline penetrates through the first penetrating hole and extends out of the box body; one end, far away from the throttling component, of the first low-pressure pipeline penetrates through the third penetrating hole and extends out of the box body, one end of the second low-pressure pipeline penetrates through the second penetrating hole and extends out of the box body, and the other end of the second low-pressure pipeline penetrates through the fourth penetrating hole and extends out of the box body; the surface area of the part, located in the box body, of the high-pressure pipeline is S11, the surface area of the first low-pressure pipeline is S12, the surface area of the second low-pressure pipeline is S2, and S11 is larger than or equal to the sum of S12 and S2. According to the formula of S11 * A + (S12 + S2) * B = K * (S11 + S12 + S2), the proportion of S11 is increased, and K is increased, so that the interior of the box body is less prone to condensation.

Description

Technical Field

[0001] The utility model relates to air conditioning equipment technology, and more specifically, to a branch box and an air conditioner. Background Art

[0002] The existing branch box includes a box body and a pipeline assembly, and the pipeline assembly is arranged in the box body. The side wall of the box body is provided with a first penetration hole, a second penetration hole, a third penetration hole and a fourth penetration hole. The pipeline assembly includes a second low-pressure pipeline and a high-pressure pipeline, a throttling component and a first low-pressure pipeline connected in sequence. One end of the high-pressure pipeline away from the throttling component is penetrated through the first penetration hole and extends out of the box body, one end of the first low-pressure pipeline away from the throttling component is penetrated through the third penetration hole and extends out of the box body, one end of the second low-pressure pipeline is penetrated through the second penetration hole and extends out of the box body, and the other end is penetrated through the fourth penetration hole and extends out of the box body. The surface area of ​​the part of the high-pressure pipeline located inside the box body is S 11 The surface area of ​​the first low-pressure pipeline located inside the box is S 12 The surface area of ​​the second low-pressure pipeline located inside the box is S2, S 11 <S 12 +S2.

[0003] S 11 *A+(S 12 + S2)*B=K*(S 11 +S 12 +S2), A is the surface temperature of the high-pressure pipeline, B is the surface temperature of the first low-pressure pipeline and the lowest surface temperature of the second low-pressure pipeline, K is the equivalent temperature (that is, the average temperature inside the branch box), A>B. In an environment with a temperature of 35°C and a relative humidity of 85%, the air conditioner is running in cooling mode, A is about 40 degrees, B is about 15°C, and K is much lower than the dew point temperature of the air outside the branch box (usually inside the ceiling) (the dew point temperature of air at 35°C and a relative humidity of 85% is 32.1°C). Due to the decrease in the internal pressure of the branch box at low temperatures, the air outside the branch box can easily enter the inside of the branch box, causing condensation inside the branch box. Utility Model Content

[0004] The embodiment of the utility model provides a branch box, the interior of which is less prone to condensation.

[0005] The embodiment of the utility model provides an air conditioner.

[0006] The branch box provided by the embodiment of the utility model comprises: a box body, a side wall of which is provided with a first through hole, a second through hole, a third through hole and a fourth through hole; and a pipeline assembly partially located in the box body, the pipeline assembly comprises a second low-pressure pipeline and a high-pressure pipeline, a throttling component and a first low-pressure pipeline connected in sequence, the throttling component is located in the box body, one end of the high-pressure pipeline away from the throttling component is penetrated through the first through hole and extends out of the box body, one end of the first low-pressure pipeline away from the throttling component is penetrated through the third through hole and extends out of the box body, one end of the second low-pressure pipeline is penetrated through the second through hole and extends out of the box body, and the other end is penetrated through the fourth through hole and extends out of the box body; wherein the surface area of ​​the part of the high-pressure pipeline located inside the box body is S 11 The surface area of ​​the first low-pressure pipeline located inside the box is S 12 The surface area of ​​the portion of the second low-pressure pipeline located inside the box is S2, S 11 ≥S 12 +S2.

[0007] In some exemplary embodiments, S 11 / (S 12 +S2)=2~3.

[0008] In some exemplary embodiments, S 11 =123000mm 2 ~124000mm 2 , S 12 +S2=49000mm 2 ~50000mm 2 .

[0009] In some exemplary embodiments, the portion of the high-pressure pipeline located inside the housing is surrounded along a peripheral wall of the housing.

[0010] In some exemplary embodiments, the box body includes a first thermal insulation cover body, a second thermal insulation cover body and a thermal insulation cover plate, the first thermal insulation cover body and the second thermal insulation cover body are assembled together, the peripheral wall of the first thermal insulation cover body and the peripheral wall of the second thermal insulation cover body are combined to form the first through-hole, the second through-hole and the mounting hole, the thermal insulation cover plate is arranged in the mounting hole, the periphery of the thermal insulation cover plate and the hole wall of the mounting hole are combined to form the third through-hole and the fourth through-hole, and the peripheral wall of the box body includes the peripheral wall of the first thermal insulation cover body, the peripheral wall of the second thermal insulation cover body and the thermal insulation cover plate.

[0011] In some exemplary embodiments, a first butt seam is formed between the peripheral wall of the first thermal insulation cover body outside the mounting hole and the peripheral wall of the second thermal insulation cover body, a second butt seam is formed between the periphery of the thermal insulation cover plate and the hole wall of the mounting hole, and a portion of the high-pressure pipeline located inside the box body is adjacent to the first butt seam and the second butt seam.

[0012] In some exemplary embodiments, the high-pressure pipeline includes a high-pressure main pipeline and a high-pressure branch pipeline that are connected to each other, one end of the high-pressure branch pipeline away from the high-pressure main pipeline is connected to the throttling component, and one end of the high-pressure main pipeline away from the high-pressure branch pipeline is passed through the first penetration hole and extends out of the box.

[0013] In some exemplary embodiments, the first low-pressure pipeline includes a first low-pressure branch pipeline, and one end of the first low-pressure branch pipeline away from the throttling component is penetrated through the third penetration hole and extends out of the casing.

[0014] In some exemplary embodiments, the second low-pressure pipeline includes a connected low-pressure main pipeline and a second low-pressure branch pipeline, one end of the low-pressure main pipeline is passed through the second penetration hole and extends out of the box, and the other end is connected to one end of the second low-pressure branch pipeline, and the other end of the second low-pressure branch pipeline is passed through the fourth penetration hole and extends out of the box.

[0015] In some exemplary embodiments, the high-pressure branch line, the throttling component, the first low-pressure branch line, and the second low-pressure branch line include a plurality of them arranged in a one-to-one correspondence.

[0016] In some exemplary embodiments, the branch box further includes: a distributor, through which the high-pressure main line is connected to the high-pressure branch line; and a filter, through which the throttling component is connected to the first low-pressure branch line.

[0017] The air conditioner provided in the embodiment of the utility model includes the branch box described in any one of the above embodiments.

[0018] The branch box proposed in the embodiment of the utility model is based on the formula S 11 *A+(S 12 + S2)*B=K*(S 11 +S 12 +S2), due to S 11 ≥S 12 +S2, that is, S 11 As the proportion increases, K increases, so the temperature and pressure inside the box increase, the air outside the box is less likely to enter the inside of the box, and condensation is less likely to occur inside the box.

[0019] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the technical solution of the utility model and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the utility model and do not constitute a limitation on the technical solution of the utility model.

[0021] Figure 1 A schematic diagram of the three-dimensional structure of a branch box provided in some embodiments of the present application;

[0022] Figure 2 for Figure 1 The schematic diagram of the exploded structure of the branch box shown;

[0023] Figure 3 for Figure 1 The schematic diagram of the left-side structural section of the branch box shown;

[0024] Figure 4 for Figure 1 A schematic diagram of the structure after the second heat-insulating cover, the high-pressure pipeline, the throttling component and the first low-pressure pipeline are assembled;

[0025] Figure 5 for Figure 1 A schematic diagram of the structure after the medium and high pressure pipelines, the throttling component and the first low pressure pipeline are assembled;

[0026] Figure 6 for Figure 1 Schematic diagram of the structure of the second low-pressure pipeline.

[0027] in, Figures 1 to 6 The corresponding relationship between the reference numerals and the component names is as follows:

[0028] 100 housing, 110 first penetration hole, 120 second penetration hole, 130 third penetration hole, 140 fourth penetration hole, 150 first thermal insulation cover, 160 second thermal insulation cover, 170 thermal insulation cover plate, 180 mounting hole, 191 first butt joint, 192 second butt joint, 200 pipeline assembly, 210 high-pressure pipeline, 211 high-pressure main pipeline, 212 distributor, 213 high-pressure branch pipeline, 220 throttling component, 230 first low-pressure pipeline, 231 filter, 232 first low-pressure branch pipeline, 240 second low-pressure pipeline, 241 low-pressure main pipeline, 242 second low-pressure branch pipeline. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model more clear, the embodiments of the utility model will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other arbitrarily without conflict.

[0030] like Figure 1 and Figure 2 As shown, the air conditioner provided by the embodiment of the utility model includes a branch box. Figures 1 to 6 As shown, the branch box includes: a box body 100, the side wall of the box body 100 is provided with a first through hole 110, a second through hole 120, a third through hole 130 and a fourth through hole 140; and a pipeline assembly 200 partially located in the box body 100, the pipeline assembly 200 includes a second low-pressure pipeline 240 and a high-pressure pipeline 210, a throttling component 220 and a first low-pressure pipeline 230 connected in sequence, the throttling component 220 is located in the box body 100, and the high-pressure pipeline 210 is far away from the throttling component 220. One end of the component 220 is penetrated through the first penetration hole 110 and extends out of the box body 100, one end of the first low-pressure pipeline 230 away from the throttling component 220 is penetrated through the third penetration hole 130 and extends out of the box body 100, one end of the second low-pressure pipeline 240 is penetrated through the second penetration hole 120 and extends out of the box body 100, and the other end is penetrated through the fourth penetration hole 140 and extends out of the box body 100; wherein, the surface area (surface area) of the part of the high-pressure pipeline 210 located inside the box body 100 is S 11 The surface area (surface area) of the first low-pressure pipeline 230 located inside the housing 100 is S 12 The surface area (surface area) of the portion of the second low-pressure pipeline 240 located inside the housing 100 is S2, S 11 ≥S 12 +S2.

[0031] The air conditioner, according to the formula S 11 *A+(S 12 + S2)*B=K*(S 11 +S 12 +S2), due to S 11 ≥S 12 +S2, that is, S 11 As the proportion increases, K increases, so that the temperature and pressure inside the box 100 increase, the air outside the box 100 is less likely to enter the inside of the box 100, and the inside of the box 100 is less likely to condense, that is, the inside of the branch box is less likely to condense.

[0032] In some examples, S 11 / (S 12+ S2) = 2 to 3, when the air conditioner is in cooling mode, the K value is basically not lower than the dew point temperature of the air outside the cabinet 100, and the air outside the cabinet 100 enters the cabinet 100 and basically no condensation occurs inside the cabinet 100.

[0033] Yes, S. 11 / (S 12 +S2) = 2; or it can be, S 11 / (S 12 +S2) = 2.5; or it can be, S 11 / (S 12 + S2) = 3, etc.; of course, it can also be, S 11 / (S 12 +S2)>3; All of the above can achieve the purpose of this application, and their purpose does not deviate from the design concept of the utility model, which will not be repeated here, and should all fall within the protection scope of this application.

[0034] In some embodiments, S 11 =123000mm 2 ~124000mm 2 , S 12 +S2=49000mm 2 ~50000mm 2 . It can be, S 11 =123000mm 2 ; or it could be, S 11 =123500mm 2 ; or it could be, S 11 =124000mm 2 etc.; it can be, S 12 +S2=49000mm 2 ; or it could be, S 12 +S2=49500mm 2 ; or it could be, S 12 +S2=50000mm 2 Etc.; all of the above can achieve the purpose of this application, and its purpose does not deviate from the design concept of the utility model, which will not be repeated here, and should all fall within the protection scope of this application.

[0035] S 11 =123842.34mm 2 , S 12 +S2=49433mm 2 , the ambient temperature is 35℃, the relative humidity is 85%, the air conditioner is running in cooling mode, the dew point temperature of the air at 35℃ and relative humidity is 85% is 32.1℃: According to the formula S 11 *40+(S 12+ S2)*15=K*(S 11 +S 12 + S2), K = 32.9°C > 32.1°C. In this solution, even if the air outside the box 100 enters the inside of the box 100, condensation will not occur inside the box 100.

[0036] In some examples, such as Figures 2 to 4 As shown, the portion of the high-pressure pipeline 210 located inside the box 100 is arranged along the peripheral wall of the box 100, so that the temperature of the peripheral wall of the box 100 is higher than the temperature in the middle of the box 100, and condensation is less likely to occur on the peripheral wall of the box 100.

[0037] In some embodiments, Figures 1 to 4 As shown, the box 100 includes a first insulation cover 150, a second insulation cover 160 and an insulation cover plate 170, the first insulation cover 150 and the second insulation cover 160 are assembled together, the peripheral wall of the first insulation cover 150 and the peripheral wall of the second insulation cover 160 are combined to form a first through hole 110, a second through hole 120 and a mounting hole 180, the insulation cover plate 170 is arranged in the mounting hole 180, the periphery of the insulation cover plate 170 and the hole wall of the mounting hole 180 are combined to form a third through hole 130 and a fourth through hole 140, and the peripheral wall of the box 100 includes the peripheral wall of the first insulation cover 150, the peripheral wall of the second insulation cover 160 and the insulation cover plate 170. The box 100 of this solution has a simple structure and is easy to assemble.

[0038] The periphery of the thermal insulation cover 170 and the hole wall of the mounting hole 180 together form a third through hole 130 and a fourth through hole 140: the thermal insulation cover 170 and the first thermal insulation cover body 150 together form the third through hole 130, and the thermal insulation cover 170 and the second thermal insulation cover body 160 together form the fourth through hole 140; or the thermal insulation cover 170 and the first thermal insulation cover body 150 together form the fourth through hole, and the thermal insulation cover 170 and the second thermal insulation cover body 160 together form the third through hole, etc.; all of the above can achieve the purpose of the present application, and its purpose does not deviate from the design concept of the present utility model, and will not be repeated here, and should all fall within the protection scope of the present application.

[0039] Furthermore, if Figures 2 to 4As shown, a first butt joint 191 is formed between the peripheral wall of the first insulation cover body 150 and the peripheral wall of the second insulation cover body 160 outside the mounting hole 180, a second butt joint 192 is formed between the periphery of the insulation cover plate 170 and the hole wall of the mounting hole 180, and a portion of the high-pressure pipeline 210 located inside the box body 100 is adjacent to the first butt joint 191 and the second butt joint 192, so as to avoid condensation at the first butt joint 191 and the second butt joint 192, especially to avoid condensation at the second through hole 120, the third through hole 130 and the fourth through hole 140. The first through hole 110 and the second through hole 120 are located at the first butt joint 191. The third through hole 130 and the fourth through hole 140 are located at the second butt joint 192.

[0040] Furthermore, if Figure 2 , Figure 4 and Figure 5 As shown, the high-pressure pipeline 210 includes a high-pressure main pipeline 211 and a high-pressure branch pipeline 213 connected to each other, one end of the high-pressure branch pipeline 213 away from the high-pressure main pipeline 211 is connected to the throttling component 220, and one end of the high-pressure main pipeline 211 away from the high-pressure branch pipeline 213 is penetrated through the first penetration hole 110 and extends out of the box body 100. In addition, the high-pressure pipeline 210 also includes a distributor 212, and the high-pressure main pipeline 211 is connected to the high-pressure branch pipeline 213 through the distributor 212.

[0041] Furthermore, if Figure 2 , Figure 4 and Figure 5 As shown, the first low-pressure pipeline 230 includes a first low-pressure branch pipeline 232, and one end of the first low-pressure branch pipeline 232 away from the throttling component 220 is penetrated through the third penetration hole 130 and extends out of the box body 100. In addition, the first low-pressure pipeline 230 also includes: a filter 231, and the throttling component 220 is connected to the first low-pressure branch pipeline 232 through the filter 231.

[0042] Furthermore, if Figure 6 As shown, the second low-pressure pipeline 240 includes a low-pressure main pipeline 241 and a second low-pressure branch pipeline 242 connected to each other, one end of the low-pressure main pipeline 241 is penetrated through the second penetration hole 120 and extends out of the box 100, the other end of the low-pressure main pipeline 241 is connected to one end of the second low-pressure branch pipeline 242 inside the box 100, and the other end of the second low-pressure branch pipeline 242 is penetrated through the fourth penetration hole 140 and extends out of the box 100. The first low-pressure branch pipeline 232 and the second low-pressure branch pipeline 242 are arranged to be connected to the refrigerant connecting pipe of the indoor unit of the air conditioner. The high-pressure main pipeline 211 and the low-pressure main pipeline 241 are arranged to be connected to the refrigerant connecting pipe of the outdoor unit of the air conditioner. Each outdoor unit of the air conditioner is provided with two refrigerant connecting pipes. Each indoor unit of the air conditioner is provided with two refrigerant connecting pipes.

[0043] In one embodiment, if Figure 1 , Figure 2 , Figures 4 to 6 As shown, the high pressure branch pipeline 213, the throttling component 220, the first low pressure branch pipeline 232 and the second low pressure branch pipeline 242 include a plurality of first low pressure branch pipelines 232 and a plurality of second low pressure branch pipelines 242 that are connected to the refrigerant connecting pipes of the plurality of air conditioner indoor units in a one-to-one correspondence.

[0044] In summary, the branch box proposed in the embodiment of the utility model is based on the formula S 11 *A+(S 12 + S2)*B=K*(S 11 +S 12 +S2), due to S 11 ≥S 12 +S2, that is, S 11 As the proportion increases, K increases, so the temperature and pressure inside the box increase, the air outside the box is less likely to enter the inside of the box, and condensation is less likely to occur inside the box.

[0045] In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "relative", "four corners", "periphery", "'mouth'-shaped structure" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0046] In the description of the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "connection", "direct connection", "indirect connection", "fixed connection", "installation", and "assembly" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; the terms "installation", "connection", and "fixed connection" can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0047] Although the implementation methods disclosed in the utility model are as above, the above contents are only implementation methods adopted to facilitate the understanding of the utility model, and are not used to limit the utility model. Any technician in the field to which the utility model belongs can make any modifications and changes in the form and details of implementation without departing from the spirit and scope disclosed in the utility model, but the scope of patent protection of the utility model shall still be defined by the attached claims.

Claims

1. A branch box, characterized in that: include: The box body has a side wall provided with a first through hole, a second through hole, a third through hole and a fourth through hole; and A pipeline assembly partially located in the box, the pipeline assembly includes a second low-pressure pipeline and a high-pressure pipeline, a throttling component and a first low-pressure pipeline connected in sequence, the throttling component is located in the box, one end of the high-pressure pipeline away from the throttling component is penetrated through the first penetration hole and extends out of the box, one end of the first low-pressure pipeline away from the throttling component is penetrated through the third penetration hole and extends out of the box, one end of the second low-pressure pipeline is penetrated through the second penetration hole and extends out of the box, and the other end is penetrated through the fourth penetration hole and extends out of the box; The surface area of ​​the part of the high-pressure pipeline located inside the box is S 11 The surface area of ​​the first low-pressure pipeline located inside the box is S 12 The surface area of ​​the portion of the second low-pressure pipeline located inside the box is S2, S 11 ≥S 12 +S2.

2. The branch box according to claim 1, characterized in that: S 11 / (S 12 +S2)=2~3。 3. The branch box according to claim 2, characterized in that: S 11 =123000mm 2 ~124000mm 2 ,S 12 +S2=49000mm 2 ~50000mm 2 。 4. The branch box according to any one of claims 1 to 3, characterized in that: The portion of the high-pressure pipeline located inside the box is surrounded along the peripheral wall of the box.

5. The branch box according to claim 4, characterized in that: The box body includes a first thermal insulation cover body, a second thermal insulation cover body and a thermal insulation cover plate, the first thermal insulation cover body and the second thermal insulation cover body are assembled together, the peripheral wall of the first thermal insulation cover body and the peripheral wall of the second thermal insulation cover body are combined to form the first penetration hole, the second penetration hole and the mounting hole, the thermal insulation cover plate is arranged in the mounting hole, the periphery of the thermal insulation cover plate and the hole wall of the mounting hole are combined to form the third penetration hole and the fourth penetration hole, and the peripheral wall of the box body includes the peripheral wall of the first thermal insulation cover body, the peripheral wall of the second thermal insulation cover body and the thermal insulation cover plate.

6. The branch box according to claim 5, characterized in that: A first butt joint is formed between the peripheral wall of the first thermal insulation cover body outside the mounting hole and the peripheral wall of the second thermal insulation cover body, a second butt joint is formed between the periphery of the thermal insulation cover plate and the hole wall of the mounting hole, and the portion of the high-pressure pipeline located inside the box body is adjacent to the first butt joint and the second butt joint.

7. The branch box according to any one of claims 1 to 3, characterized in that: The high-pressure pipeline includes a high-pressure main pipeline and a high-pressure branch pipeline connected to each other, one end of the high-pressure branch pipeline away from the high-pressure main pipeline is connected to the throttling component, and one end of the high-pressure main pipeline away from the high-pressure branch pipeline is penetrated through the first penetration hole and extends out of the box body; The first low-pressure pipeline includes a first low-pressure branch pipeline, and one end of the first low-pressure branch pipeline away from the throttling component is penetrated through the third penetration hole and extends out of the box body; The second low-pressure pipeline includes a low-pressure main pipeline and a second low-pressure branch pipeline connected to each other, one end of the low-pressure main pipeline is passed through the second penetration hole and extends out of the box, and the other end is connected to one end of the second low-pressure branch pipeline, and the other end of the second low-pressure branch pipeline is passed through the fourth penetration hole and extends out of the box.

8. The branch box according to claim 7, characterized in that: The high-pressure branch pipeline, the throttling component, the first low-pressure branch pipeline and the second low-pressure branch pipeline include a plurality of pipelines arranged in a one-to-one correspondence.

9. The branch box according to claim 7, characterized in that: Also includes: A distributor, through which the high-pressure main pipeline is connected to the high-pressure branch pipeline; and A filter, wherein the throttling component is connected to the first low-pressure branch pipeline through the filter.

10. An air conditioner, characterized in that: Comprising a branch box as described in any one of claims 1 to 9.

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