Air pipe type indoor unit and air conditioning system

Abstract

The utility model discloses an air duct type indoor unit and an air conditioning system, the air duct type indoor unit comprises a shell and a maintenance plate detachably connected with the shell, and a water pump assembly is arranged on the inner side wall of the maintenance plate; a refrigerant detection device is further arranged on the inner side wall of the overhauling plate, and the refrigerant detection device and the water pump assembly are arranged in a spaced mode. In this way, when the refrigerant detection device breaks down and needs to be maintained, the refrigerant detection device can be separated from the air pipe type indoor unit only by disassembling the maintenance plate relative to the shell, maintenance personnel can maintain the refrigerant detection device conveniently, and the maintenance efficiency is improved; and the refrigerant detection device and the water pump assembly are arranged at intervals, so that the detection precision of the refrigerant detection device can be prevented from being influenced when the water pump assembly runs.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field especially relates to a duct type indoor unit and air conditioning system. BACKGROUND

[0002] The refrigerant detection sensor is an important component in the refrigeration system such as air conditioner, which detects the refrigerant concentration in the refrigeration system to determine whether refrigerant leakage occurs in the refrigeration system. At present, most refrigerant detection sensors are installed and fixed on the outer surface of the pipeline system. This installation method has the following shortcomings:

[0003] Firstly, the refrigerant detection sensor is easily affected by the vibration of the pipeline system, resulting in a certain deviation in the detection result, and the service life of the refrigerant detection sensor is shortened.

[0004] Secondly, the refrigerant detection sensor is located in the deep part of the pipeline assembly flowing with refrigerant. When the refrigerant detection sensor fails and needs to be detected and repaired, the pipeline assembly, water pump assembly and other components need to be removed first, and then the refrigerant detection sensor can be repaired, which causes inconvenience and low efficiency in maintenance.

[0005] Therefore, how to provide a refrigerant detection device convenient to maintain is a technical problem to be solved. SUMMARY

[0006] The utility model provides a duct type indoor unit and air conditioning system for solving the problem of inconvenient maintenance of refrigerant detection device in prior art.

[0007] The technical scheme of the utility model is a duct type indoor unit, which comprises a shell and an inspection plate detachably connected with the shell, an inner side wall of the inspection plate is provided with a water pump assembly; an inner side wall of the inspection plate is also provided with a refrigerant detection device, and the refrigerant detection device and the water pump assembly are arranged at intervals.

[0008] Further, the refrigerant detection device comprises a mounting bracket and a refrigerant detection sensor.

[0009] The inner side wall of the inspection plate is provided with a mounting bracket, the mounting bracket is provided with a containing groove, and a plurality of female buckles are arranged in the containing groove; the refrigerant detection sensor is provided with a male buckle corresponding to the female buckle.

[0010] When the refrigerant detection sensor is matched and installed in the containing groove, the male buckle is matched and clamped with the corresponding female buckle.

[0011] Further, the distance between the water pump assembly and the refrigerant detection device is [10mm, 60mm].

[0012] Further, the mounting bracket is further provided with a plurality of mounting through holes, each fastener can be matched through the mounting through hole and the maintenance plate bolt connection.

[0013] Further, the inside of the shell and corresponding the upper side of the refrigerant detection device is provided with a fan mounting plate provided with a fan, the shortest distance between the fan mounting plate and the refrigerant detection device is [155mm, 185mm].

[0014] Further, the shell is further provided with a water pan assembly, the water pan assembly is connected with the water pump assembly.

[0015] The water pan assembly is arranged along the Y axis direction of the refrigerant detection device, and the shortest distance between the water pan assembly and the refrigerant detection device is [30mm, 60mm].

[0016] Further, the shortest distance between the refrigerant detection device and the first side wall of the shell along the Z axis direction is [150mm, 180mm].

[0017] Further, the shortest distance between the maintenance plate along the Y axis direction of one side and the refrigerant detection device is [10mm, 40mm].

[0018] Further, the shortest distance between the maintenance plate along the Z axis direction of one side and the refrigerant detection device is [10mm, 40mm].

[0019] The utility model further proposes a kind of air conditioning system, the air conditioning system includes the duct type indoor unit described above.

[0020] Compared with prior art, the utility model at least has following beneficial effects:

[0021] When the refrigerant detection device needs to be maintained due to failure, only the maintenance plate is removed relative to the shell, the refrigerant detection device can be separated from the duct type indoor unit, so that maintenance personnel can maintain the refrigerant detection device, and the maintenance efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and accompanying drawings of this invention are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or accompanying drawings of this invention are used to distinguish different objects and not to describe a particular order.

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This utility model provides a partial internal schematic diagram of a duct-type indoor unit;

[0025] Figure 2 This is a schematic diagram of the structure of a refrigerant detection device proposed in this utility model;

[0026] Figure 3 for Figure 2 An enlarged schematic diagram of reference numeral A in the attached figure;

[0027] Figure 4 This is a schematic diagram showing the location of the refrigerant detection device proposed in this utility model;

[0028] Figure 5 This is a schematic diagram of the connection structure between the maintenance plate, the water pump assembly, and the refrigerant detection device proposed in this utility model.

[0029] Figure 6 for Figure 5 An enlarged view of reference numeral B in the attached diagram;

[0030] Figure 7 A partial sectional view of the duct-type indoor unit is provided for this utility model;

[0031] Figure 8 This is a schematic diagram of another refrigerant detection device proposed in this utility model.

[0032] Figure label:

[0033] 11. Shell;

[0034] 111, first side wall; 112, first mounting space; 113, second mounting space; 114, second side wall; 115, third mounting space;

[0035] 12, access panel; 121, drainage through hole;

[0036] 13, water pump assembly; 131, drain pipe;

[0037] 14, refrigerant detection device; 141, mounting bracket; 1411, female buckle; 1412, mounting through hole; 142, refrigerant detection sensor; 1421, male buckle; 143, connecting block; 1431, threaded through hole;

[0038] 15, fan mounting plate;

[0039] 16, fan;

[0040] 17, water pan assembly;

[0041] 18, heat exchanger assembly;

[0042] 19, pipeline assembly;

[0043] 20, electric control box. DETAILED DESCRIPTION

[0044] In order to make the technical problems, technical solutions and beneficial effects of the present application more clear, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and are not intended to limit the present application. Therefore, the features described in the specification are used to explain one of the features of one embodiment of the present application, but not imply that each embodiment of the present application must have the features described. In addition, it should be noted that the specification describes many features. Although some features can be combined together to show possible system designs, these features can also be used in other combinations that are not explicitly described. Therefore, unless otherwise stated, the described combinations are not intended to limit.

[0045] The principles and structures of the present application will be described in detail below in combination with the drawings and examples.

[0046] The present application includes the heat exchanger assembly, electric control box, temperature control element and other components of the existing tubular indoor unit, which are not limited here.

[0047] Example 1

[0048] The refrigerant detection sensor of the existing duct type indoor unit is located on the heat exchanger assembly, so when the refrigerant detection sensor needs to be detected and maintained due to failure, the refrigerant detection sensor needs to be maintained after the pipeline assembly, the water pump assembly and other components are disassembled, which causes inconvenient maintenance and low maintenance efficiency.

[0049] Therefore, in order to solve the problem of inconvenient maintenance and low maintenance efficiency of the refrigerant detection sensor in the duct type indoor unit, with reference to the accompanying drawings, Figure 1 and 5 The utility model proposes a duct type indoor unit, including casing 11 and with casing 11 detachable connection's overhaul board 12, the inner side wall of overhaul board 12 is equipped with water pump assembly 13;The inner side wall of overhaul board 12 is equipped with refrigerant detection device 14, and refrigerant detection device 14 and water pump assembly 13 are spaced apart.

[0050] In this way, when the refrigerant detection device 14 needs to be maintained due to failure, the refrigerant detection device 14 can be separated from the duct type indoor unit by disassembling the overhaul board 12 relative to the casing 11, so that the maintenance personnel can maintain the refrigerant detection device 14, improving the maintenance efficiency;And the refrigerant detection device 14 and the water pump assembly 13 are spaced apart, which can prevent the water pump assembly 13 from affecting the detection accuracy of the refrigerant detection device 14 when running.

[0051] Among them, with reference to the accompanying drawings, Figures 2-3 The refrigerant detection device 14 includes a mounting bracket 141 and a refrigerant detection sensor 142;

[0052] The inner side wall of the overhaul board 12 is provided with a mounting bracket 141, and the mounting bracket 141 is provided with a receiving groove (not shown, the same throughout the text), and a plurality of female buckles 1411 are arranged in the receiving groove;The refrigerant detection sensor 142 is provided with a male buckle 1421 corresponding to the female buckle 1411.

[0053] Among them, when the refrigerant detection sensor 142 is matched and installed in the receiving groove, the male buckle 1421 is matched and clamped with the corresponding female buckle 1411.

[0054] In this way, when the refrigerant detection sensor 142 needs to be maintained, the maintenance personnel only needs to separate the male buckle 1421 and the corresponding female buckle 1411 by using tools, so as to separate the refrigerant detection sensor 142 from the receiving groove, and then facilitate the maintenance personnel to maintain the refrigerant detection sensor 142, further improving the maintenance efficiency.

[0055] Among them, in order to ensure that the mounting bracket 141 or the refrigerant detection device 14 will not fall off during the operation of the duct type indoor unit, with reference to the accompanying drawings, Figure 2The mounting bracket 141 is further provided with a plurality of mounting through holes 1412, and each fastener can be matched to pass through the mounting through holes 1412 and be bolted with the access panel 12.

[0056] It should be noted that the fastener in the embodiment is a locking bolt.

[0057] In order to ensure that the detection accuracy of the refrigerant detection sensor 142 is not affected when the water pump assembly 13 is running, referring to the attached Figure 4 The shortest distance C between the water pump assembly 13 and the mounting bracket 141 of the refrigerant detection device 14 is preferably [10mm, 60mm].

[0058] Of course, in other embodiments, the shortest distance C between the water pump assembly 13 and the mounting bracket 141 can also be set to other values according to actual conditions, which is not limited here.

[0059] In order to ensure that the vibration generated by the fan 16 when running does not affect the detection accuracy of the refrigerant detection sensor 142 through the fan mounting plate 15, referring to the attached Figure 4 The inside of the shell 11 and the upper part corresponding to the refrigerant detection device 14 are provided with a fan mounting plate 15 on which the fan 16 is mounted, and the shortest distance B between the fan mounting plate 15 and the mounting bracket 141 of the refrigerant detection device 14 is preferably [155mm, 185mm].

[0060] Of course, in other embodiments, the shortest distance B between the fan mounting plate 15 and the mounting bracket 141 can also be set to other values according to actual conditions, which is not limited here.

[0061] In order to ensure that the vibration generated by the fan 16 when running does not affect the detection accuracy of the refrigerant detection sensor 142 through the fan mounting plate 15, referring to the attached Figure 4 and 7 The shell 11 is further provided with a water pan assembly 17, which is connected with the water pump assembly 13; in this way, the water pump assembly 13 can pump out the condensed water in the water pan assembly 17 from the shell 11, preventing the condensed water in the water pan assembly 17 from overflowing and affecting the operation of the entire ducted indoor unit.

[0062] The water pan assembly 17 is spaced apart from the refrigerant detection device 14 along the Y-axis direction, and the shortest distance H between the water pan assembly 17 and the mounting bracket 141 of the refrigerant detection device 14 is preferably [30mm, 60mm].

[0063] If the shortest distance H between the water pan assembly 17 and the mounting bracket 141 is less than 30 mm, the refrigerant detection sensor 142 may be in a water bubble state; and because the refrigerant density is greater than that of air, the leaked refrigerant will naturally gather to the lower part of the duct type indoor unit, so if the shortest distance H between the water pan assembly 17 and the mounting bracket 141 is greater than 60 mm, the detection speed and accuracy of the refrigerant detection sensor 142 will be affected.

[0064] It should be noted that the accompanying drawings Figures 5-6 The drain pipe 131 of the water pump assembly 13 extends outside through the drain through hole 121 on the access panel 12 to drain the condensed water in the water pan assembly 17.

[0065] Of course, in other embodiments, the shortest distance H between the water pan assembly 17 and the mounting bracket 141 can also be set to other values according to actual conditions, which are not limited here.

[0066] In order to ensure the detection accuracy of the refrigerant detection device 14, with reference to the accompanying drawings Figure 4 The shortest distance A between the mounting bracket 141 of the refrigerant detection device 14 and the first side wall 111 of the shell 11 in the Z-axis direction is preferably [150 mm, 180 mm].

[0067] Of course, in other embodiments, the shortest distance A between the first side wall 111 and the mounting bracket 141 can also be set to other values according to actual conditions, which are not limited here.

[0068] In order to ensure the detection accuracy of the refrigerant detection device 14, with reference to the accompanying drawings Figure 4 The shortest distance E between the side of the access panel 12 along its Y-axis direction and the mounting bracket 141 of the refrigerant detection device 14 is preferably [10 mm, 40 mm].

[0069] The shortest distance D between the side of the access panel 12 along its Z-axis direction and the mounting bracket 141 of the refrigerant detection device 14 is preferably [10 mm, 40 mm].

[0070] Of course, in other embodiments, the shortest distance E between the side of the access panel 12 along its Y-axis direction and the mounting bracket 141, and the shortest distance D between the side of the access panel 12 along its Z-axis direction and the mounting bracket 141 can also be set to other values according to actual conditions, which are not limited here.

[0071] In order to ensure the detection accuracy of the refrigerant detection device 14, with reference to the accompanying drawings Figure 1 and 7 The inside of the shell 11 of the duct type indoor unit is divided into a first mounting space 112 and a second mounting space 113 by the fan mounting plate 15.

[0072] The first installation space 112 on one side of the fan installation plate 15 is used for installing the fan 16, and the second installation space 113 on the other side of the fan installation plate 15 is used for installing the heat exchanger assembly 18.

[0073] The second side wall 114 of the shell 11 corresponding to the second installation space 113 is provided with a detachable access plate 12, the side wall of the shell 11 contacting the heat exchanger assembly 18 away from the fan installation plate 15 is a first side wall 111, and the first side wall 111, the second side wall 114, the fan installation plate 15 and the heat exchanger assembly 18 can be enclosed to form a third installation space 115 in the second installation space 113, and the pipeline assembly 19 connected with the heat exchanger assembly 18, the water pump assembly 13 and the refrigerant detection device 14 are matched and installed in the third installation space 115, and the refrigerant flows in the pipeline assembly 19; and at this time, the refrigerant detection device 14 and the middle part of the pipeline assembly 19 are aligned, so as to detect whether the pipeline assembly 19 leaks refrigerant.

[0074] And one side of the third installation space 115 along the Y-axis direction of the refrigerant detection device 14 is provided with a water pan assembly 17, which is used to receive the condensed water formed by the heat exchanger assembly 18, and then the water pump assembly 13 pumps the condensed water in the water pan assembly 17 out of the shell 11, preventing the condensed water in the water pan assembly 17 from overflowing and affecting the operation of the entire duct type indoor unit.

[0075] And an electric control box 20 is installed on the outer side wall of the shell 11, and the main control unit in the electric control box 20 is electrically connected with the refrigerant detection sensor 142, the water pump assembly 13, the fan 16 and the heat exchanger assembly 18 respectively.

[0076] Embodiment 2

[0077] On the basis of embodiment 1, referring to the attached Figure 8 The utility model also proposes another structure of the refrigerant detection device 14:

[0078] The refrigerant detection device 14 proposed in the embodiment only includes the refrigerant detection sensor 142, the edge of the refrigerant detection sensor 142 extends outward to form a connecting block 143, at least one threaded hole 1431 is arranged on the connecting block 143, then the lock bolt passes through the threaded hole 1431 and is screwed with the access plate 12, so as to ensure that the refrigerant detection sensor 142 will not fall off during the operation of the duct type indoor unit, and when the refrigerant detection sensor 142 needs to be removed from the access plate 12, the lock bolt can be loosened.

[0079] Embodiment 3

[0080] On the basis of the embodiment 1, the utility model discloses still proposed a kind of air conditioning system, the air conditioning system includes the ducted indoor unit described above.

[0081] In this way, when the refrigerant detection device 14 needs to be repaired due to a fault, the refrigerant detection device 14 can be detached from the ducted indoor unit by detaching the access panel 12 from the housing 11, so that the maintenance personnel can repair the refrigerant detection device 14, thereby improving the repair efficiency; and the refrigerant detection device 14 and the water pump assembly 13 are arranged separately, so that the detection accuracy of the refrigerant detection device 14 is not affected when the water pump assembly 13 is running.

[0082] Obviously, the above-described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments, and the preferred embodiments of the utility model are given in the drawings, but do not limit the patent range of the utility model. The utility model can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments or equivalently replace some technical features. Any equivalent structure made by using the content of the utility model specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection range of the utility model.

Claims

1. A duct type indoor unit, comprising a shell (11) and an access panel (12) detachably connected with the shell (11), an inner side wall of the access panel (12) being provided with a water pump assembly (13); characterized in that, The inner side wall of the maintenance plate (12) is further provided with a refrigerant detection device (14), and the refrigerant detection device (14) and the water pump assembly (13) are spaced apart.

2. The ducted indoor unit according to claim 1, characterized by, The refrigerant detection device (14) comprises a mounting bracket (141) and a refrigerant detection sensor (142). The inner side wall of the maintenance plate (12) is provided with a mounting bracket (141), the mounting bracket (141) is provided with a containing groove, and a plurality of female buckles (1411) are arranged in the containing groove; the refrigerant detection sensor (142) is provided with a male buckle (1421) matched with the female buckle (1411). When the refrigerant detection sensor (142) is matched and installed in the containing groove, the male buckle (1421) is matched and clamped with the corresponding female buckle (1411).

3. The ducted indoor unit according to claim 1, characterized by, The distance between the water pump assembly (13) and the refrigerant detection device (14) is [10mm, 60mm].

4. The ducted indoor unit according to claim 2, characterized by The mounting bracket (141) is further provided with a plurality of mounting through holes (1412), and each fastener can be matched to pass through the mounting through hole (1412) and be bolted with the maintenance plate (12).

5. The ducted indoor unit according to claim 1, characterized by The inside of the shell (11) and the upper side of the refrigerant detection device (14) are provided with a fan mounting plate (15) on which a fan (16) is mounted, and the shortest distance between the fan mounting plate (15) and the refrigerant detection device (14) is [155mm, 185mm]. 6.The ducted indoor unit of claim 1, wherein The shell (11) is further provided with a water pan assembly (17), and the water pan assembly (17) is connected with the water pump assembly (13). The water pan assembly (17) is spaced apart from the refrigerant detection device (14) along the Y-axis direction of the refrigerant detection device (14), and the shortest distance between the water pan assembly (17) and the refrigerant detection device (14) is [30mm, 60mm].

7. The ducted indoor unit according to claim 1, characterized by The shortest distance between the refrigerant detection device (14) and the first side wall (111) of the shell (11) along the Z-axis direction is [150mm, 180mm]. 8.The ducted indoor unit of claim 1, wherein, The shortest distance between the maintenance plate (12) on one side along the Y-axis direction and the refrigerant detection device (14) is [10mm, 40mm]. 9.The ducted indoor unit of claim 1, wherein, The shortest distance between the maintenance plate (12) on one side along the Z-axis direction and the refrigerant detection device (14) is [10mm, 40mm].

10. An air conditioning system characterized by, The air conditioning system comprises the duct type indoor unit of any one of claims 1-9.

Images