Air conditioner

Abstract

An air conditioner comprises a branch box and a refrigerant connecting pipe, and the branch box comprises a box body, an air inlet pipe, an air outlet pipe and an air outlet pipe, the main body is provided with a connector pipe, the main body is arranged in the box body, the connector pipe penetrates through the penetrating hole and extends out of the box body, and the refrigerant connecting pipe is located outside the box body and connected with the connector pipe; the casing pipe is located outside the box body and arranged at the connecting position of the refrigerant connecting pipe and the connector pipe in a sleeving mode, one end of the casing pipe is matched with the hole wall of the penetrating hole in a sealed mode, the other end of the casing pipe is matched with the refrigerant connecting pipe in a sealed mode, and communicating channels are formed between the casing pipe and the refrigerant connecting pipe and between the casing pipe and the connector pipe. The communicating channel is communicated with the space between the box body and the main body through the penetrating hole; the refrigerant detection device is arranged in a space between the box body and the main body; and the control device is electrically connected with the refrigerant detection device and is arranged to make a response according to a detection result of the refrigerant detection device. According to the air conditioner, the refrigerant can be prevented from diffusing indoors, fire disasters caused by the fact that the refrigerant is ignited indoors are avoided, and long-time leakage of the refrigerant can be avoided.

Description

Technical Field

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

[0002] The existing branch box includes a main body and a box body, a group of adjacent side walls of the box body are respectively provided with a first opening and a second opening, a group of adjacent side surfaces of the main body are respectively provided with a first interface pipe and a second interface pipe, the main body is fixed in the box body, the first interface pipe is passed through the first opening and extends out of the box body, and is used to connect with the refrigerant connecting pipe of the air conditioner outdoor unit, and the second interface pipe is passed through the second opening and extends out of the box body, and is used to connect with the refrigerant connecting pipe of the air conditioner indoor unit. For an air conditioner using flammable refrigerant, when refrigerant leaks at the position where the first interface pipe is connected to the refrigerant connecting pipe of the air conditioner outdoor unit and the position where the second interface pipe is connected to the refrigerant connecting pipe of the air conditioner indoor unit, the flammable refrigerant spreads into the room, and a fire is likely to occur indoors. Utility Model Content

[0003] The embodiment of the utility model provides an air conditioner, which can prevent the refrigerant from diffusing into the room, thereby avoiding the fire caused by the ignition of the refrigerant in the room.

[0004] The air conditioner provided by the embodiment of the utility model includes a branch box and a refrigerant connecting pipe, the branch box includes: a box body, a side wall of which is provided with a through hole; a main body, provided with an interface pipe, the main body is arranged in the box body, the interface pipe is passed through the through hole and extends out of the box body, the refrigerant connecting pipe is located outside the box body and is connected to the interface pipe; a sleeve with a split structure is located outside the box body and is sleeved on the position where the refrigerant connecting pipe and the interface pipe are connected, one end of the sleeve adjacent to the box body is sealed with the hole wall of the through hole, and one end of the sleeve away from the box body is sealed with the refrigerant connecting pipe, and a connecting channel is provided between the sleeve and the refrigerant connecting pipe and the interface pipe, and the connecting channel is connected to the space between the box body and the main body through the gap between the hole wall of the through hole and the interface pipe; a refrigerant detection device is arranged in the space between the box body and the main body; and a control device is electrically connected to the refrigerant detection device and is configured to respond based on the refrigerant detection device detecting the refrigerant.

[0005] In some exemplary embodiments, the air conditioner further includes: a mounting seat, which is sleeved on the outside of the interface pipe and sealed at the penetration hole, one end of the sleeve adjacent to the casing is sealingly matched with the mounting seat, a connecting gap is provided between the mounting seat and the interface pipe, the gap between the hole wall of the penetration hole and the interface pipe includes the connecting gap, and the connecting passage is connected with the space between the casing and the main body through the connecting gap.

[0006] In some exemplary embodiments, the mounting seat is located outside the box body, and a buckle is provided at one end of the mounting seat adjacent to the box body, the buckle extends into the through hole and is clamped on the hole wall of the through hole, and one end of the sleeve adjacent to the mounting seat is sealingly sleeved outside the mounting seat.

[0007] In some exemplary embodiments, the air conditioner further comprises: a heat-insulating layer, which is located inside the sleeve and sleeved on a position where the refrigerant connecting pipe and the interface pipe are connected.

[0008] In some exemplary embodiments, the thermal insulation layer is a split structure and includes a plurality of first arc segments sequentially connected in the circumferential direction.

[0009] In some exemplary embodiments, one of the adjacent ends of adjacent first arc segments is provided with a plug-in portion, and the other is provided with a plug-in mating portion, and the plug-in portion is plug-connected with the plug-in mating portion.

[0010] In some exemplary embodiments, one of the plug-in portion and the plug-fitting portion is a rib, and the other is a slot.

[0011] In some exemplary embodiments, the sleeve includes a plurality of second arc segments connected sequentially in a circumferential direction.

[0012] In some exemplary embodiments, one of the adjacent ends of adjacent second arc segments is provided with a snap-fitting portion, and the other is provided with a snap-fitting portion, and the snap-fitting portion is snap-fittedly connected with the snap-fitting portion.

[0013] In some exemplary embodiments, one of the snap-fitting portion and the snap-fitting portion is a snap groove, and the other is a snap buckle.

[0014] In the air conditioner proposed in the embodiment of the utility model, when refrigerant leakage occurs at the position where the refrigerant connecting pipe and the interface pipe are connected, the leaked refrigerant enters the space between the box body and the main body along the connecting channel through the hole, thereby preventing the refrigerant from diffusing into the room, and thus making it less likely for a fire to occur indoors; moreover, when the refrigerant detection device detects the refrigerant in the space between the box body and the main body, the control device responds in time, thereby preventing the refrigerant from leaking for a long time and causing major safety accidents such as fire.

[0015] 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

[0016] 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.

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a branch box provided in some embodiments of the present application;

[0018] Figure 2 for Figure 1 The schematic diagram of the exploded structure of the branch box shown;

[0019] Figure 3 for Figure 1 The schematic diagram of the front view structure of the branch box shown;

[0020] Figure 4 for Figure 3 The AA cross-sectional structural diagram of the structure shown, the arrow indicates the flow direction of the leaked refrigerant;

[0021] Figure 5 for Figure 2 A schematic diagram of the local structure after the middle box and the mounting base are assembled;

[0022] Figure 6 for Figure 5 BB cross-sectional structural schematic diagram of the structure shown;

[0023] Figure 7 A schematic diagram of the structure of an air conditioner provided in some embodiments of the present application;

[0024] Figure 8 for Figure 7 A CC cross-sectional structural schematic diagram of the structure shown;

[0025] Fig. 9 for Figure 8 Schematic diagram of the exploded structure of the combined structure of the middle casing and the insulation layer.

[0026] in, Figures 1 to 9 The corresponding relationship between the reference numerals and the component names is as follows:

[0027] 100 refrigerant connecting pipe, 110 external unit refrigerant connecting pipe, 120 internal unit refrigerant connecting pipe, 210 housing, 211 through-hole, 220 main body, 221 interface pipe, 230 sleeve, 231 second arc segment, 232 slot, 233 buckle, 240 connecting channel, 250 refrigerant detection device, 260 mounting seat, 270 insulation layer, 271 first arc segment, 272 dowel, 273 slot, 280 clamp, 290 connecting gap. DETAILED DESCRIPTION

[0028] 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.

[0029] The air conditioner provided by the embodiment of the utility model is as follows Figure 7 and Figure 8 As shown, it includes a branch box and a refrigerant connecting pipe 100, as shown Figures 1 to 4 , Figures 7 to 9 As shown, the branch box includes: a box body 210, a side wall of the box body 210 is provided with a through hole 211; a main body 220, the main body 220 is provided with an interface pipe 221, the main body 220 is arranged in the box body 210, the interface pipe 221 is passed through the through hole 211 and extends out of the box body 210, the refrigerant connecting pipe 100 is located outside the box body 210 and is connected with the interface pipe 221; a sleeve 230 of a split structure, the sleeve 230 is located outside the box body 210, and is sleeved at the position where the refrigerant connecting pipe 100 and the interface pipe 221 are connected, and one end of the sleeve 230 adjacent to the box body 210 is sealed with the hole wall of the through hole 211, One end of the sleeve 230 away from the box body 210 is sealed with the refrigerant connecting pipe 100, and a connecting channel 240 is provided between the sleeve 230, the refrigerant connecting pipe 100 and the interface pipe 221. The connecting channel 240 is connected with the space between the box body 210 and the main body 220 through the gap between the hole wall of the through hole 211 and the interface pipe 221; a refrigerant detection device 250, the refrigerant detection device 250 is arranged in the space between the box body 210 and the main body 220; and a control device, the control device is electrically connected to the refrigerant detection device 250, and is arranged to respond based on the refrigerant detection device 250 detecting the refrigerant.

[0030] In this air conditioner, the split box is installed indoors. When refrigerant leakage occurs at the position where the refrigerant connecting pipe 100 and the interface pipe 221 are connected, the leaked refrigerant enters the space between the box body 210 and the main body 220 along the connecting channel 240 through the hole 211, thereby preventing the refrigerant from diffusing into the room, so that fire is less likely to occur indoors. Moreover, when the refrigerant detection device 250 (in the space between the box body 210 and the main body 220) detects the refrigerant, the control device responds in time (the response includes outputting alarm information, etc.), thereby avoiding long-term leakage of the refrigerant and causing major safety accidents such as fire.

[0031] The control device responds based on the refrigerant detection device 250 detecting the refrigerant. The refrigerant detection device 250 detects the refrigerant concentration in the space between the cabinet 210 and the main body 220, and the control device responds when the refrigerant concentration reaches a set threshold.

[0032] In some exemplary embodiments, Figure 1 , Figure 2, Figure 5 , Figure 6 and Figure 8 As shown, the air conditioner also includes: a mounting seat 260, which is sleeved on the outside of the interface pipe 221 and sealed at the penetration hole 211, and one end of the sleeve 230 adjacent to the housing 210 is sealed with the mounting seat 260, and a connecting gap 290 is provided between the mounting seat 260 and the interface pipe 221, and the gap between the hole wall of the penetration hole 211 and the interface pipe 221 includes the connecting gap 290, and the connecting channel 240 is connected with the space between the housing 210 and the main body 220 through the connecting gap 290, that is, the sleeve 230 is sealed with the penetration hole 211 through the mounting seat 260. This solution has a simple structure and is easy to implement.

[0033] In some examples, such as Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 8 As shown, the mounting seat 260 is located outside the box body 210, and a buckle is provided at one end of the mounting seat 260 adjacent to the box body 210, and the buckle extends into the through hole 211 and is clamped on the hole wall of the through hole 211. One end of the sleeve 230 adjacent to the mounting seat 260 is sealed and sleeved outside the mounting seat 260 and seals with the mounting seat 260. This solution has a simple structure and mature technology. The buckle can be two hooks, three hooks or four hooks arranged in sequence in the circumference of the mounting seat 260, and the above can achieve the purpose of this application. Its purpose does not deviate from the design concept of the utility model, and it will not be repeated here, and it should belong to the protection scope of this application.

[0034] In some exemplary embodiments, Figure 8 and Fig. 9 As shown, the air conditioner also includes: an insulation layer 270, which is located in the sleeve 230 and is sleeved on the position where the refrigerant connecting pipe 100 and the interface pipe 221 are connected, and is used to insulate the position where the refrigerant connecting pipe 100 and the interface pipe 221 are connected.

[0035] In some examples, the insulation layer 270 is an integrated structure, such as the insulation layer 270 is configured as a silicone sleeve or a rubber sleeve or insulation cotton, etc. This solution has a simple structure and mature technology.

[0036] In other examples, such as Figure 8 and Fig. 9 As shown, the thermal insulation layer 270 is a split structure and includes a plurality of first arc segments 271 sequentially connected in the circumferential direction of the thermal insulation layer 270. The plurality of first arc segments 271 may be two first arc segments 271, three first arc segments 271, or four first arc segments 271, etc., all of which can achieve the purpose of the present application, and their purpose does not deviate from the design concept of the present utility model, and will not be repeated here, and all should belong to the protection scope of the present application.

[0037] In some embodiments, Figure 8 and Fig. 9 As shown, one of the adjacent ends of adjacent first arc segments 271 is provided with a plug-in portion, and the other is provided with a plug-in mating portion. The plug-in portion and the plug-in mating portion are plug-connected to realize the assembly of multiple first arc segments 271. This solution has a simple structure and mature technology.

[0038] It may be that the plug-in portion is set as the dowel 272, and the plug-in mating portion is set as the slot 273; or it may be that the plug-in portion is set as the slot 273, and the plug-in mating portion is set as the dowel 272, 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] In one embodiment, if Figure 8 and Fig. 9 As shown, the plurality of first arc segments 271 are two first arc segments 271, each first arc segment 271 has a rib 272 at one circumferential end and a slot 273 at the other circumferential end, and the rib 272 and the slot 273 are plugged together in a one-to-one correspondence. The matching rib 272 and slot 273 simultaneously play the role of limiting and positioning.

[0040] In some exemplary embodiments, Figure 8 and Fig. 9 As shown, the sleeve 230 includes a plurality of second arc segments 231 sequentially connected in the circumferential direction of the sleeve 230. The plurality of second arc segments 231 may be two second arc segments 231, three second arc segments 231, or four second arc segments 231, etc., all of which can achieve the purpose of the present application, and their purpose does not deviate from the design concept of the present utility model, and will not be repeated here, and all should belong to the protection scope of the present application.

[0041] In some embodiments, Figure 8 and Fig. 9 As shown, one of the adjacent ends of the adjacent second arc segments 231 is provided with a clamping portion, and the other is provided with a clamping fitting portion, and the clamping portion is clamped and connected with the clamping fitting portion to realize the assembly of multiple second arc segments 231. This solution has a simple structure and mature technology. Further, the assembled multiple second arc segments 231 can also be clamped by a clamp 280.

[0042] It can be that the snap-fitting portion is set as a slot 232, and the snap-fitting portion is set as a buckle 233; or it can be that the snap-fitting portion is set as a buckle 233, and the snap-fitting portion is set as a slot 232; 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.

[0043] In one embodiment, if Figure 8 and Fig. 9 As shown, the plurality of second arc segments 231 are two second arc segments 231, and each second arc segment 231 has two groups of slots 232 at one circumferential end and two groups of buckles 233 at the other circumferential end, and the slots 232 and buckles 233 are plugged together in a one-to-one correspondence. The matching slots 232 and buckles 233 simultaneously play the role of limiting and positioning.

[0044] Furthermore, if Figure 8 and Fig. 9 As shown, two first arc segments 271 and two second arc segments 231 are connected together in a one-to-one correspondence. The first arc segment 271 may be integrally formed on the concave side of the second arc segment 231; or the first arc segment 271 may be pasted on the concave side of the second arc segment 231, and the first arc segment 271 may be made of silicone or rubber, and the second arc segment 231 may be made of metal or plastic. All of the above can achieve the purpose of this application, and the purpose does not deviate from the design concept of this utility model, and will not be repeated here, and all should belong to the protection scope of this application.

[0045] When refrigerant leakage occurs at the connection position between the refrigerant connecting pipe 100 and the interface pipe 221, the leaked refrigerant enters the connecting channel 240 from the gap between the end of the insulation layer 270 and the interface pipe 221, and then enters the space between the box body 210 and the main body 220 along the connecting channel 240 through the connecting gap 290, and reaches the position of the refrigerant detection device 250, so that the refrigerant detection device 250 can detect the leaked refrigerant in time.

[0046] Among them, Figure 4 , Figure 7 and Figure 8 As shown, the refrigerant connecting pipe 100 includes an external refrigerant connecting pipe 110 and an internal refrigerant connecting pipe 120, the interface pipe 221 includes an external interface pipe and an internal interface pipe, the perforation hole 211 includes a first perforation hole and a second perforation hole, the sleeve 230 includes a first sleeve and a second sleeve, the insulation layer 270 includes a first insulation layer and a second insulation layer, and the mounting seat 260 includes a first mounting seat and a second mounting seat. The external refrigerant connecting pipe 110, the external interface pipe, the first perforation hole, the first sleeve, the first insulation layer and the first mounting seat correspond to each other, and the internal refrigerant connecting pipe 120, the internal interface pipe, the second perforation hole, the second sleeve, the second insulation layer and the second mounting seat correspond to each other. Furthermore, the first perforation hole and the second perforation hole are arranged on a group of adjacent side walls of the box body 210, and the refrigerant detection device 250 is located at the angle formed by the group of adjacent side walls and is fixed on the main body 210. The refrigerant detection device 250 is set as a refrigerant detection sensor.

[0047] To sum up, in the air conditioner proposed in the embodiment of the utility model, when refrigerant leakage occurs at the position where the refrigerant connecting pipe and the interface pipe are connected, the leaked refrigerant enters the space between the box body and the main body along the connecting channel through the hole, thereby preventing the refrigerant from spreading into the room, and thus making it less likely for a fire to occur indoors; moreover, when the refrigerant detection device detects the refrigerant in the space between the box body and the main body, the control device responds in a timely manner, thereby preventing the refrigerant from leaking for a long time and causing major safety accidents such as fire.

[0048] 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.

[0049] 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.

[0050] 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. An air conditioner, It is characterized in that It includes a branch box and a refrigerant connecting pipe, and the branch box includes: The box body has a side wall provided with a through hole; A main body is provided with an interface pipe, the main body is arranged in the box body, the interface pipe is passed through the penetration hole and extends out of the box body, and the refrigerant connecting pipe is located outside the box body and connected to the interface pipe; The sleeve of the split structure is located outside the box and sleeved at the position where the refrigerant connecting pipe and the interface pipe are connected. One end of the sleeve adjacent to the box is sealed with the hole wall of the penetration hole, and one end of the sleeve away from the box is sealed with the refrigerant connecting pipe. A communication channel is provided between the sleeve, the refrigerant connecting pipe and the interface pipe, and the communication channel is connected with the space between the box and the main body through the gap between the hole wall of the penetration hole and the interface pipe. A refrigerant detection device is disposed in the space between the box and the main body; 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.

2. The air conditioner according to claim 1, It is characterized in that Also includes: A mounting seat is sleeved on the outside of the interface tube and sealed at the penetration hole. One end of the sleeve adjacent to the box body is sealed with the mounting seat. A connecting gap is provided between the mounting seat and the interface tube. The gap between the hole wall of the penetration hole and the interface tube includes the connecting gap. The connecting passage is connected with the space between the box body and the main body through the connecting gap.

3. The air conditioner according to claim 2, It is characterized in that The mounting seat is located outside the box body, and a buckle is provided at one end of the mounting seat adjacent to the box body. The buckle extends into the penetration hole and is clamped on the hole wall of the penetration hole. One end of the sleeve adjacent to the mounting seat is sealingly sleeved outside the mounting seat.

4. The air conditioner according to any one of claims 1 to 3, It is characterized in that Also includes: The heat-insulating layer is located inside the sleeve and sleeved on the position where the refrigerant connecting pipe and the interface pipe are connected.

5. The air conditioner according to claim 4, It is characterized in that The thermal insulation layer is a split structure and includes a plurality of first arc segments sequentially connected in the circumferential direction.

6. The air conditioner according to claim 5, It is characterized in that One of the adjacent ends of the adjacent first arc segments is provided with a plug-in portion, and the other is provided with a plug-in fitting portion, and the plug-in portion is plug-connected with the plug-in fitting portion.

7. The air conditioner according to claim 6, It is characterized in that One of the plug-in portion and the plug-in matching portion is a dowel, and the other is a slot.

8. The air conditioner according to any one of claims 1 to 3, It is characterized in that The sleeve includes a plurality of second arc segments connected sequentially in the circumferential direction.

9. The air conditioner according to claim 8, It is characterized in that One of the adjacent ends of the adjacent second arc segments is provided with a clamping portion, and the other is provided with a clamping matching portion, and the clamping portion is clamped and connected with the clamping matching portion.

10. The air conditioner according to claim 9, It is characterized in that One of the clamping portion and the clamping matching portion is a clamping groove, and the other is a buckle.

Images