Branching box and air conditioner
By designing a divergence box in the air conditioner and using the refrigerant detection device and gap structure, the safety of fire caused by refrigerant leakage is solved, timely detection and prevention of refrigerant leakage is achieved, and the safety of the air conditioner is improved.
Patent Information
- Application Number
- CN202420886437.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-25
AI Technical Summary
Existing air conditioners are prone to fire when refrigerant leaks, especially in welded connections or threaded connections, which are difficult to detect and prevent fire accidents in a timely manner.
A divergence box is designed, including a box, a main body tube, an interface tube and a refrigerant detection device. The main body tube is arranged in the box, and the interface tube extends out of the box through the through hole. The refrigerant detection device is located in the box and the main body tube. During the intervening structure, the refrigerant leakage detection is triggered through the gap structure, and the control device responds based on the detection results to prevent fire.
Effectively detect and respond to refrigerant leakage, avoid fire accidents caused by long-term refrigerant leakage, and improve the safety of the air conditioner.
Smart Images
Figure CN222143311U_ABST
Abstract
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 pipeline assembly and a box body. The pipeline assembly includes a main pipe and an interface pipe that are connected. The main pipe is arranged in the box body and has at least one weld connection part or a threaded connection part. The interface pipe is passed through the penetration hole and extends out of the box body.
[0003] For air conditioners that use flammable refrigerants, fires can easily occur when refrigerant leaks at welded or threaded connections. Utility Model Content
[0004] The embodiment of the utility model provides a branch box, which can detect refrigerant leakage in time. The branch box is applied to an air conditioner, and the air conditioner is less likely to catch fire due to refrigerant leakage.
[0005] The embodiment of the utility model provides an air conditioner.
[0006] The branch box provided by the embodiment of the utility model includes: a box body, a side wall of which is provided with a through hole; a pipeline assembly, including a main pipe and an interface pipe that are connected, the main pipe is arranged in the box body, and the interface pipe is passed through the through hole and extends out of the box body; and a refrigerant detection device, which is arranged in the space between the box body and the main pipe.
[0007] In some exemplary embodiments, there is a first gap between the interface tube and the wall of the through hole; the branch box also includes: a first insulation sleeve, located outside the box body and sleeved on the interface tube, one end of the first insulation sleeve adjacent to the box body is sealed with the wall of the through hole, a second gap is formed between the first insulation sleeve and the interface tube, and the second gap is connected to the space between the box body and the main tube through the first gap.
[0008] In some exemplary embodiments, the box body includes: a first thermal insulation cover body; and a second thermal insulation cover body, which is covered on the first thermal insulation cover body, and the main body tube is located in a space enclosed by the first thermal insulation cover body and the second thermal insulation cover body.
[0009] In some exemplary embodiments, the box body further includes: a thermal insulation cover plate, the peripheral wall of the first thermal insulation cover body and the peripheral wall of the second thermal insulation cover body together form a gap, and the thermal insulation cover plate is arranged in the gap.
[0010] In some exemplary embodiments, the interface pipe includes a plurality of external machine interface pipes and a plurality of internal machine interface pipes, the penetration holes include a plurality of first penetration holes and a plurality of second penetration holes, the periphery of the thermal insulation cover plate and the mouth wall of the notch together form a plurality of the second penetration holes, a plurality of the internal machine interface pipes are penetrated through the plurality of the second penetration holes one by one, the peripheral wall of the first thermal insulation cover body outside the notch and the peripheral wall of the second thermal insulation cover body outside the notch together form a plurality of the first penetration holes, and a plurality of the external machine interface pipes are penetrated through the plurality of the first penetration holes one by one.
[0011] In some exemplary embodiments, the first thermal insulation cover body includes a first thermal insulation cover body and a first bracket with an annular circumferential wall, the second thermal insulation cover body includes a second thermal insulation cover body and a second bracket with an annular circumferential wall, the thermal insulation cover plate includes a thermal insulation cover main board and a third bracket with an annular circumferential wall, the first bracket and the second bracket are located between the first thermal insulation cover body and the second thermal insulation cover body, and enclose a plurality of the first through-holes and the notch, the third bracket is arranged in the notch, and together with the first bracket and the second bracket, enclose a plurality of the second through-holes, and the thermal insulation cover main board is arranged in the third bracket.
[0012] In some exemplary embodiments, the first heat-insulating cover body, the second heat-insulating cover body and the heat-insulating cover main board are made of foam, and the first bracket, the second bracket and the third bracket are made of metal or plastic.
[0013] In some exemplary embodiments, a first mounting groove is provided inside the first thermal insulation cover, and a second mounting groove is provided inside the second thermal insulation cover. The first mounting groove and the second mounting groove are spaced apart and the grooves are opposite to each other. One end of the refrigerant detection device is placed in the first mounting groove and the other end is placed in the second mounting groove.
[0014] The air conditioner provided by the embodiment of the utility model includes a control device, a refrigerant connecting pipe and a branch box as described in any of the above embodiments, the refrigerant connecting pipe is located outside the box and is connected to the interface pipe, the control device is electrically connected to the refrigerant detection device, and is configured to respond based on the refrigerant detection device detecting the refrigerant.
[0015] In some exemplary embodiments, the air conditioner also includes: a second insulation cover, located outside the box body and sleeved on the refrigerant connecting pipe, the position where the refrigerant connecting pipe and the interface pipe are connected is located between the first insulation cover and the second insulation cover; and insulation cotton, covering the position where the refrigerant connecting pipe and the interface pipe are connected, and sealingly matched with the first insulation cover and the second insulation cover, a third gap is formed between the position where the insulation cotton is connected to the refrigerant connecting pipe and the interface pipe, and the third gap is connected to the first gap through the second gap.
[0016] The branch box proposed in the embodiment of the utility model, when refrigerant leakage occurs in the main pipe, the leaked refrigerant diffuses in the space between the box body and the main pipe to trigger the refrigerant detection device; the branch box is applied to the air conditioner, and the control device of the air conditioner responds based on the refrigerant detection device detecting the refrigerant, thereby avoiding major safety accidents such as fire caused by long-term leakage of refrigerant.
[0017] 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
[0018] 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.
[0019] Figure 1 A schematic diagram of the three-dimensional structure of a branch box provided in some embodiments of the present application;
[0020] Figure 2 for Figure 1 A schematic diagram of a partial exploded structure of a branch box is shown;
[0021] Figure 3 for Figure 2 A schematic diagram of the structure after the first bracket, the second bracket, the thermal insulation cover and the refrigerant detection device are assembled;
[0022] Figure 4 for Figure 2 A schematic diagram of the exploded structure of the second thermal insulation cover;
[0023] Figure 5 for Figure 2 A schematic diagram of the exploded structure of the first thermal insulation cover;
[0024] Figure 6 for Figure 3A schematic diagram of a partial exploded structure of the structure shown;
[0025] Figure 7 A schematic diagram of a partial structure of an air conditioner provided in some embodiments of the present application;
[0026] Figure 8 for Figure 7 AA cross-sectional structural schematic diagram of the structure shown.
[0027] in, Figures 1 to 8 The corresponding relationship between the reference numerals and the component names is as follows:
[0028] 120 indoor refrigerant connecting pipe, 200 box, 210 first through hole, 220 second through hole, 230 second gap, 240 third gap, 250 notch, 260 first gap, 310 main pipe, 321 external machine interface pipe, 322 indoor machine interface pipe, 400 refrigerant detection device, 410 first insulation sleeve, 420 second insulation sleeve, 430 insulation cotton, 500 first insulation cover body, 510 first insulation cover body, 520 first bracket, 521 first installation groove, 522 first inlay groove, 523 first buckle position, 600 second insulation cover body, 610 second insulation cover body, 620 second bracket, 621 second installation groove, 622 second inlay groove, 623 second buckle position, 700 insulation cover plate, 710 insulation cover main board, 720 third bracket. 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] The air conditioner provided by the embodiment of the utility model is as follows Figure 7 and Figure 8 As shown in the figure, it includes a control device, a refrigerant connecting pipe and a branch box. Figures 1 to 6 As shown, the branch box includes: a box body 200, a side wall of the box body 200 is provided with a through hole; a pipeline assembly, the pipeline assembly includes a main pipe 310 and an interface pipe that are connected, the main pipe 310 is arranged in the box body 200, the interface pipe is passed through the through hole and extends out of the box body 200, the refrigerant connecting pipe is located outside the box body 200 and is connected to the interface pipe; and a refrigerant detection device 400, the refrigerant detection device 400 is arranged in the space between the box body 200 and the main pipe 310, the control device is electrically connected to the refrigerant detection device 400, and is configured to respond based on the refrigerant detection device 400 detecting the refrigerant.
[0031] In this air conditioner, when refrigerant leakage occurs in the main pipe 310, the leaked refrigerant diffuses in the space between the cabinet 200 and the main pipe 310 and triggers the refrigerant detection device 400. The control device responds (the response includes outputting alarm information, etc.) based on the detection of the refrigerant by the refrigerant detection device 400, thereby avoiding major safety accidents such as fire caused by long-term leakage of refrigerant.
[0032] The control device is configured to respond based on the refrigerant detected by the refrigerant detection device 400, which may be: the refrigerant detection device 400 detects the refrigerant concentration in the space between the box 200 and the main tube 310, and the control device responds when the refrigerant concentration reaches a set threshold. The refrigerant detection device 400 is configured as a refrigerant detection sensor.
[0033] Furthermore, if Figure 8 As shown, there is a first gap 260 between the interface pipe and the hole wall of the through hole. The air conditioner also includes: a first insulation sleeve 410, the first insulation sleeve 410 is located outside the box body 200 and is sleeved on the interface pipe to insulate the interface pipe, one end of the first insulation sleeve 410 adjacent to the box body 200 is sealed with the hole wall of the through hole, a second gap 230 is formed between the first insulation sleeve 410 and the interface pipe, and the second gap 230 is connected to the space between the box body 200 and the main pipe 310 through the first gap 260; a second insulation sleeve 420, the second insulation sleeve 420 is located outside the box body 200 and is sleeved on the refrigerant connection pipe to connect the refrigerant The pipe is insulated, and the position where the refrigerant connecting pipe and the interface pipe are connected is located between the first insulation sleeve 410 and the second insulation sleeve 420; and the insulation cotton 430, the insulation cotton 430 is covered on the position where the refrigerant connecting pipe and the interface pipe are connected, and is sealed with the first insulation sleeve 410 and the second insulation sleeve 420 to insulate the position where the refrigerant connecting pipe and the interface pipe are connected, and a third gap 240 is formed between the insulation cotton 430 and the position where the refrigerant connecting pipe and the interface pipe are connected, and the third gap 240 is connected with the first gap 260 through the second gap 230.
[0034] When refrigerant leakage occurs at the location where the refrigerant connecting pipe and the interface pipe are connected, the leaked refrigerant enters the space between the cabinet 200 and the main pipe 310 through the third gap 240, the second gap 230 and the first gap 260 in sequence, and triggers the refrigerant detection device 400 in the space between the cabinet 200 and the main pipe 310. In this solution, the refrigerant detection device 400 not only detects refrigerant leakage of the main pipe 310 inside the cabinet 200, but also detects refrigerant leakage at the location where the refrigerant connecting pipe and the interface pipe are connected, so that the air conditioner is safer to use.
[0035] Furthermore, the refrigerant is set to be a flammable refrigerant.
[0036] In some exemplary embodiments, Figure 1 , Figure 2 , Figure 7 and Figure 8 As shown, the box 200 includes: a first insulation cover 500; a second insulation cover 600, the second insulation cover 600 is covered on the first insulation cover 500, and the peripheral wall of the first insulation cover 500 and the peripheral wall of the second insulation cover 600 are surrounded by a notch 250; and an insulation cover plate 700, the insulation cover plate 700 is arranged in the notch 250, and the refrigerant detection device 400 and the main body tube 310 are both located in the space surrounded by the first insulation cover 500, the second insulation cover 600 and the insulation cover plate 700. The box 200 of this solution has a simple structure and is easy to manufacture.
[0037] In some examples, such as Figures 1 to 8 As shown, the interface pipe includes a plurality of external machine interface pipes 321 and a plurality of internal machine interface pipes 322, the penetration holes include a plurality of first penetration holes 210 and a plurality of second penetration holes 220, the refrigerant connecting pipe includes a plurality of external machine refrigerant connecting pipes (not shown in the figure) and a plurality of internal machine refrigerant connecting pipes 120, and the plurality of external machine refrigerant connecting pipes are connected to the plurality of external machine interface pipes 321 one by one, as shown in FIG. Figure 8 As shown, the plurality of indoor refrigerant connection pipes 120 are connected to the plurality of indoor interface pipes 322 in a one-to-one correspondence. Figures 1 to 3 As shown, the periphery of the thermal insulation cover plate 700 and the mouth wall of the notch 250 enclose a plurality of second penetration holes 220, the plurality of second penetration holes 220 are arranged in two rows, and the plurality of internal machine interface pipes 322 are correspondingly penetrated in the plurality of second penetration holes 220. The peripheral wall of the first thermal insulation cover body 500 outside the notch 250 and the peripheral wall of the second thermal insulation cover body 600 outside the notch 250 enclose a plurality of first penetration holes 210, the plurality of first penetration holes 210 are arranged in a row, and the plurality of external machine interface pipes 321 are correspondingly penetrated in the plurality of first penetration holes 210. The plurality of second penetration holes 220 and the plurality of first penetration holes 210 are located on different sides of the box body 200, and the plurality of first penetration holes 210 and the plurality of external machine interface pipes 321 are arranged in two. The plurality of second penetration holes 220 and the plurality of internal machine interface pipes 322 are arranged into 2, 4, 6 or 8, etc., and those skilled in the art can make selective settings as needed, which can achieve the purpose of this application. The purpose does not deviate from the design concept of the utility model and will not be repeated here, and should all fall within the protection scope of this application.
[0038] The air conditioner outdoor unit has two outdoor unit refrigerant connecting pipes, and each air conditioner indoor unit has two indoor unit refrigerant connecting pipes 120 .
[0039] In some examples, each Figures 1 to 6 , Figure 8As shown, the first heat preservation cover body 500 includes a first heat preservation cover body 510 and a first bracket 520 with an annular peripheral wall, the second heat preservation cover body 600 includes a second heat preservation cover body 610 and a second bracket 620 with an annular peripheral wall, and the heat preservation cover plate 700 includes a heat preservation cover main board 710 and a third bracket 720 with an annular peripheral wall. The first bracket 520 and the second bracket 620 are located between the first heat preservation cover body 510 and the second heat preservation cover body 610, and enclose a plurality of first through holes 210 and notches 250, and the plurality of first through holes 210 and notches 250 are located on different sides in the circumferential direction of the box body 200. The third bracket 720 is arranged in the notch 250, and the peripheral wall of the third bracket 720, the first bracket 520 and the second bracket 620 enclose two rows of second through holes 220, and the heat preservation cover main board 710 is arranged in the area enclosed by the third bracket 720. The first heat-insulating cover body 510 , the second heat-insulating cover body 610 and the heat-insulating cover main board 710 jointly insulate the main pipe 310 .
[0040] It can be that the material of the first insulation cover body 510, the second insulation cover body 610 and the insulation cover main board 710 is set to foam and its equivalent material, and the material of the first bracket 520, the second bracket 620 and the third bracket 720 is set to plastic and its equivalent material, which can all achieve the purpose of this application. Its purpose does not deviate from the design concept of the utility model and will not be repeated here. It should all fall within the protection scope of this application.
[0041] In some examples, such as Figures 2 to 6 As shown, the first bracket 520 is provided with a first mounting groove 521, the second bracket 620 is provided with a second mounting groove 621, the first mounting groove 521 and the second mounting groove 621 are spaced apart and the grooves are opposite, one end of the refrigerant detection device 400 is placed in the first mounting groove 521, and the other end is placed in the second mounting groove 621. In this solution, the fixing structure of the refrigerant detection device 400 is simple, no screws are required, and it is more conducive to the quick disassembly and installation of the refrigerant detection device 400.
[0042] Among them, Figures 3 to 6 , Figure 8As shown, the first bracket 520 is provided with an annular first inlay groove 522, and the second bracket 620 is provided with an annular second inlay groove 622. The notch of the first inlay groove 522 is opposite to the notch of the second inlay groove 622. The peripheral wall of the first heat preservation cover body 510 is inserted into the first inlay groove 522, and the peripheral wall of the second heat preservation cover body 610 is inserted into the second inlay groove 622. The side wall of the first installation groove 521 is provided with a first buckle position 523, and the side wall of the second installation groove 621 is provided with a second buckle position 623. The first buckle position 523 presses against the side of the refrigerant detection device 400 to press and fix one end of the refrigerant detection device 400 in the first installation groove 521, and the second buckle position 623 presses against the side of the refrigerant detection device 400 to press and fix the other end of the refrigerant detection device 400 in the second installation groove 621 to prevent the refrigerant detection device 400 from loosening.
[0043] To sum up, in the air conditioner proposed in the embodiment of the utility model, when refrigerant leakage occurs in the main pipe, the leaked refrigerant diffuses in the space between the cabinet and the main pipe to trigger the refrigerant detection device, and the control device responds based on the refrigerant detection device detecting the refrigerant, thereby avoiding major safety accidents such as fire caused by long-term leakage of refrigerant.
[0044] 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.
[0045] 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.
[0046] 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 through hole; A pipeline assembly, comprising a main pipe and an interface pipe which are connected to each other, wherein the main pipe is arranged in the box body, and the interface pipe is passed through the passing hole and extends out of the box body; and The refrigerant detection device is arranged in the space between the box body and the main tube.
2. The branch box according to claim 1, characterized in that: A first gap is provided between the interface pipe and the hole wall of the through hole; the branch box further comprises: The first thermal insulation sleeve is located outside the box body and is sleeved on the interface pipe. One end of the first thermal insulation sleeve adjacent to the box body is sealed with the hole wall of the through hole. A second gap is formed between the first thermal insulation sleeve and the interface pipe. The second gap is connected with the space between the box body and the main tube through the first gap.
3. The branch box according to claim 1 or 2, characterized in that: The box body comprises: a first thermal insulation cover; and The second heat-insulating cover body is covered on the first heat-insulating cover body, and the main body tube is located in the space enclosed by the first heat-insulating cover body and the second heat-insulating cover body.
4. The branch box according to claim 3, characterized in that: The box also includes: The thermal insulation cover plate is formed by the peripheral wall of the first thermal insulation cover body and the peripheral wall of the second thermal insulation cover body to form a notch, and the thermal insulation cover plate is arranged in the notch.
5. The branch box according to claim 4, characterized in that: The interface pipe includes multiple external machine interface pipes and multiple internal machine interface pipes, the penetration holes include multiple first penetration holes and multiple second penetration holes, the periphery of the thermal insulation cover plate and the mouth wall of the notch together form multiple second penetration holes, multiple internal machine interface pipes are penetrated through the multiple second penetration holes one by one, the peripheral wall of the first thermal insulation cover body outside the notch and the peripheral wall of the second thermal insulation cover body outside the notch together form multiple first penetration holes, and multiple external machine interface pipes are penetrated through the multiple first penetration holes one by one.
6. The branch box according to claim 5, characterized in that: The first thermal insulation cover body includes a first thermal insulation cover body and a first bracket with an annular circumferential wall, the second thermal insulation cover body includes a second thermal insulation cover body and a second bracket with an annular circumferential wall, the thermal insulation cover plate includes a thermal insulation cover main board and a third bracket with an annular circumferential wall, the first bracket and the second bracket are located between the first thermal insulation cover body and the second thermal insulation cover body, and enclose a plurality of the first through holes and the notch, the third bracket is arranged in the notch, and together with the first bracket and the second bracket, enclose a plurality of the second through holes, and the thermal insulation cover main board is arranged in the third bracket.
7. The branch box according to claim 6, characterized in that: The first heat-insulating cover body, the second heat-insulating cover body and the heat-insulating cover main board are made of foam, and the first bracket, the second bracket and the third bracket are made of metal or plastic.
8. The branch box according to claim 3, characterized in that: A first mounting groove is provided inside the first insulation cover, and a second mounting groove is provided inside the second insulation cover. The first mounting groove and the second mounting groove are spaced apart and the grooves are opposite to each other. One end of the refrigerant detection device is placed in the first mounting groove and the other end is placed in the second mounting groove.
9. An air conditioner, characterized in that: It includes a control device, a refrigerant connecting pipe and a branch box as described in any one of claims 1 to 8, wherein the refrigerant connecting pipe is located outside the box and is connected to the interface pipe, and the control device is electrically connected to the refrigerant detection device and is configured to respond based on the refrigerant detection device detecting the refrigerant.
10. The air conditioner according to claim 9, characterized in that: The branch box is the branch box according to claim 2, and the air conditioner further comprises: A second heat-insulating sleeve, located outside the box and sleeved on the refrigerant connecting pipe, wherein the position where the refrigerant connecting pipe and the interface pipe are connected is located between the first heat-insulating sleeve and the second heat-insulating sleeve; and The thermal insulation cotton is coated on the connection position between the refrigerant connecting pipe and the interface pipe, and is sealed with the first thermal insulation sleeve and the second thermal insulation sleeve. A third gap is formed between the connection position between the thermal insulation cotton, the refrigerant connecting pipe and the interface pipe, and the third gap is connected with the first gap through the second gap.