Supporting structure, hydraulic module and heating and ventilation system

Abstract

The utility model discloses a supporting structure, a hydraulic module and a heating and ventilation system. The supporting structure comprises a supporting main body and a wire bunching piece, a wire passing groove is formed in the outer surface of the supporting main body, and the wire passing groove is used for containing a connecting wire connected with the functional device; the wire bunching piece is arranged in the wire passing groove, the wire bunching piece and the supporting body define a wire passing space for a connecting wire to penetrate through, and the wire bunching piece is detachably installed on the supporting body. According to the application, the connecting wires are stored through the wire passing grooves, the stability of connection between the connecting wires and the functional devices is improved, and the wiring directions of the connecting wires are guided through the wire passing grooves, so that the connecting wires are wired to proper positions to be connected with the corresponding functional devices, and the corresponding connecting wires can be quickly found and disassembled from the corresponding functional devices in the installation and maintenance process. And the wire bunching piece only locally limits the connecting wire, so that the position of the connecting wire can be bound, and the position of the connecting wire can be directly observed, so that the installation and maintenance operation of the hydraulic module is convenient.

Description

Technical Field

[0001] The present application relates to the technical field of HVAC equipment, and in particular to a support structure, a hydraulic module and a HVAC system. Background Art

[0002] The hydraulic module is an integrated circulating water delivery device. The hydraulic module includes multiple electronic components such as a water tank, a heat exchanger, a water pump, and a valve body. These electronic components need to be connected to the main control board of the electric control box through connecting wires in order to control the operating status of each electronic component. However, due to the small internal space of the hydraulic module box, it is not convenient for the wiring and maintenance of the connecting wires, which puts higher requirements on the internal structure design of the hydraulic module. Utility Model Content

[0003] The embodiments of the present application provide a support structure, a hydraulic module and a HVAC system, which can solve the problem of difficult wiring inside the hydraulic module.

[0004] In a first aspect, an embodiment of the present application provides a support structure for a hydraulic module, the support structure comprising:

[0005] A support body, wherein a wire groove is provided on the outer surface of the support body, and the wire groove is used to accommodate a connection wire connected to the functional device; and

[0006] A wire harness component, wherein the wire harness component and the support body define a wire passing space for the connecting wire to pass through, and the wire harness component is detachably mounted on the support body.

[0007] In some exemplary embodiments, the line duct includes a main line duct and a plurality of sub-line ducts, each of the sub-line ducts being used to introduce a connection line connected to the functional device, so that the plurality of connection lines converge to the main line duct and are led out.

[0008] In some exemplary embodiments, there are multiple cable ties, some of which are disposed in the main cable duct, and other portions of which are disposed in the sub-cable duct.

[0009] In some exemplary embodiments, all of the sub-line ducts are directly connected to the main line duct; or,

[0010] The sub-cable trough includes a first sub-cable trough and a second sub-cable trough, wherein the first sub-cable trough is directly connected to the main cable trough, and the second sub-cable trough is connected to the main cable trough through the first sub-cable trough.

[0011] In some exemplary embodiments, the wire groove includes a first wire segment and a plurality of second wire segments provided on the main surface of the support body, the first wire segment extends along a first direction, all the second wire segments are connected to the first wire segment, and each of the second wire segments extends along a second direction, the second direction is perpendicular to the first direction and parallel to the main surface;

[0012] At least part of one of the second line segments forms the main line slot; and / or,

[0013] At least a portion of the first line segment forms the main line slot.

[0014] In some exemplary embodiments, the wire groove also includes a third wire segment provided on the side surface of the supporting body, the third wire segment is connected to the second wire segment or the first wire segment, and the third wire segment extends along a third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

[0015] In some exemplary embodiments, the supporting body includes a plurality of plates, and the plurality of plates are spliced ​​together to define a receiving space, wherein the wire groove is provided on an outer surface of at least one of the plates.

[0016] In some exemplary embodiments, the wire channel has a plurality of wire inlets communicating with the accommodation space;

[0017] At least one of the lead-in inlets is opened on the surface of the plate; and / or,

[0018] At least one of the lead-in inlets is defined by splicing a plurality of the plates.

[0019] In some exemplary embodiments, the accommodating space includes an expansion space and a heat exchange space; and the plate body includes:

[0020] A first plate body;

[0021] a second plate body, mounted on the first plate body, and defining the expansion space together with the first plate body;

[0022] The third plate body is installed on the first plate body and defines the heat exchange space together with the first plate body. The heat exchange space and the expansion space are arranged side by side in the first direction. The outer surface of the third plate body is provided with the wire groove.

[0023] In some exemplary embodiments, the accommodating space includes a water tank space and a water pump space; and the plate body further includes:

[0024] a fourth plate body, mounted on the first plate body, and defining the water tank space together with the first plate body; the water tank space is located on one side of the expansion space in a second direction, and the second direction is perpendicular to the first direction;

[0025] The fifth plate body is installed on the first plate body and defines the water pump space; the water pump space is located on one side of the heat exchange space in the second direction, and is located on one side of the water tank space in the first direction.

[0026] In some exemplary embodiments, the accommodation space is a contoured space for accommodating the functional device, and a wall surface of the accommodation space is adapted to fit with a surface of the functional device.

[0027] In some exemplary embodiments, the wire passing groove has a depth in a preset direction; the wire binding component is arranged in the wire passing groove, and in the preset direction, the wire binding component has a first surface facing away from the bottom wall of the wire passing groove, and the distance from the first surface to the groove opening of the wire passing groove is △h, 0mm≤△h≤10mm.

[0028] In some exemplary embodiments, the cable tie is an elastic cable tie, and the cable tie is clamped in the cable groove.

[0029] In some exemplary embodiments, the wiring harness has a first surface and a second surface that are oppositely disposed, and two third surfaces that are oppositely disposed;

[0030] The second surface and the bottom surface of the wire passing groove define the wire passing space;

[0031] Each of the third surfaces is connected between the first surface and the second surface, and the third surface is in contact with the side wall of the wire groove; in the direction from the second surface to the first surface, at least part of the distance between the two third surfaces gradually decreases.

[0032] In some exemplary embodiments, in the extension direction of the wire passing groove, the outer surface of the support body is further provided with a limiting groove connected to the wire passing groove, and the width of the limiting groove is greater than the width of the wire passing groove; the wire binding component is arranged in the limiting groove, and the surface of the wire binding component is in contact with the wall of the limiting groove.

[0033] In a second aspect, an embodiment of the present application provides a hydraulic module, including a functional device, a plurality of connecting pipes, and the supporting structure as described above.

[0034] The functional device includes at least one of a water tank, an expansion tank, a heat exchange device and a water pump;

[0035] Each of the connecting pipelines is in communication with at least one of the functional devices;

[0036] At least one of the functional device and the connecting pipeline is arranged in the accommodating space of the supporting body.

[0037] In some exemplary embodiments, the hydraulic module also includes a box body, the box body has a accommodating cavity, the supporting structure is arranged in the accommodating cavity, the supporting body includes a plurality of plates, and the plurality of plates are spliced ​​together to define the accommodating space; wherein the outer surface of at least part of the plates is in contact with the inner wall surface of the box body.

[0038] In some exemplary embodiments, the hydraulic module includes an electric control box, and the electric control box is disposed outside the supporting body;

[0039] The wire passage groove has a wire lead outlet, so that the connecting wire is led out from the wire lead outlet to be electrically connected to the main control board of the electric control box.

[0040] In a third aspect, an embodiment of the present application provides a HVAC system, comprising the hydraulic module as described above.

[0041] Based on the supporting structure, hydraulic module and HVAC system of the embodiment of the present application, the connecting wires are stored in the wire trough to prevent the connecting wires from moving randomly, improve the stability of the connection between the connecting wires and the functional devices, and guide the routing direction of the connecting wires through the wire trough so that each connecting wire is routed to a suitable position and connected to the corresponding functional device, which is convenient for quickly finding the corresponding connecting wires and disassembling and assembling them in the corresponding functional device during installation and maintenance. The connecting wires in the wire trough are bound by a detachable wire harness. The size of the wire harness is relatively small relative to the supporting body. The wire harness only limits the connection wires locally, and the other parts of the connection wires in the wire trough are exposed. In this way, the wire harness cooperates with the supporting body to not only restrain the position of the connecting wires, but also directly observe the position of the connecting wires, making the installation and maintenance of the hydraulic module convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0043] Figure 1 A schematic diagram of a three-dimensional structure of a support structure according to an embodiment of the present application;

[0044] Figure 2 This is a schematic diagram of a three-dimensional structure in which a functional device according to an embodiment of the present application is installed in a contoured cavity;

[0045] Figure 3 A schematic diagram of the wiring of a wire duct according to an embodiment of the present application;

[0046] Figure 4a This is a schematic diagram of the main structure of at least part of the second line segment forming a main line duct in one embodiment of the present application;

[0047] Figure 4b This is a schematic diagram of the main structure of at least part of the second line segment forming a main line duct in another embodiment of the present application;

[0048] Figure 5a A schematic diagram of the main structure of at least part of the first line segment forming a main line slot in one embodiment of the present application;

[0049] Figure 5b A schematic diagram of the main structure of at least part of the first line segment forming a main line duct in another embodiment of the present application;

[0050] Figure 6 This is a schematic diagram of a three-dimensional structure in which a plate body according to an embodiment of the present application has a third crossing line segment;

[0051] Figure 7 This is a schematic diagram of an exploded structure of a support structure according to an embodiment of the present application;

[0052] Figure 8 This is a schematic diagram of a three-dimensional structure in which a lead outlet is arranged on one side of an electric control box in an embodiment of the present application;

[0053] Fig. 9 This is a schematic diagram of the three-dimensional structure of a cable harness according to an embodiment of the present application;

[0054] Fig.10 This is a schematic cross-sectional view of a wire harness installed in a wire duct according to an embodiment of the present application;

[0055] Fig.11 for Figure 6 A partial enlarged view of the middle Q.

[0056] Reference numerals:

[0057] 10. Functional device; 11. Connecting pipeline; 20. Expansion tank; 30. Heat exchange device; 40. Water tank; 50. Water pump; 60. Valve body; 80. Electric control box; 100. Box body; 100a. Accommodating chamber; 110. Top cover; 120. Bottom cover; 130. Left side wall; 140. Right side wall;

[0058] 1. Support structure; 300. Support body; 31. First plate; 32. Second plate; 33. Third plate; 331. Main surface; 332. Side surface; 34. Fourth plate; 35. Fifth plate; 301. Accommodation space; 30a. Expansion space; 30c. Water tank space; 30d. Water pump space;

[0059] 400, wire trough; 410 main wire trough; 420 sub-wire trough; 421 first sub-wire trough; 422 second sub-wire trough; 40a lead-in entrance; 401a water inlet lead-in entrance; 401b water outlet lead-in entrance; 401c first lead-in entrance; 401d second lead-in entrance; 40b, lead-in exit; 401 first wire-passing segment; 402 second wire-passing segment; 403 third wire-passing segment; 405, limiting groove; 430, wire-passing space;

[0060] 500, wiring harness; 510, first surface; 520, second surface; 521, first arc surface area; 522, first plane area; 523, first inclined surface area; 530, third surface; 531, second inclined surface area; 532, third plane area; 533, fourth plane area; A, first direction; B, second direction; C, third direction. DETAILED DESCRIPTION

[0061] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0062] The embodiments of the present application provide a support structure, a hydraulic module and a HVAC system. The support structure is used for the hydraulic module. The hydraulic module can be used for air-energy water heaters, and can also be used for floor heating, radiators and other household heating equipment. The embodiments of the present application do not make specific limitations.

[0063] The inventor found that because there are a large number of electrical components inside the hydraulic module, there are many power lines and signal lines. The lines are directly bundled on the pipeline, and when many lines are gathered together, they are bundled with cable ties. The use of a large number of cable ties increases the number of processes, reduces production efficiency, and the overall appearance is very messy. In addition, the cable ties need to be cut open every time maintenance is performed, and then re-bundled after the repair is completed, resulting in inconvenience in installation and maintenance. Based on this, the support structure provided in the embodiment of the present application can store the connecting wires, and the multiple connecting wires are neatly routed. They can be directly disassembled and assembled during maintenance, which improves the convenience of maintenance.

[0064] like Figure 1 , which is a schematic structural diagram of a support structure 1 according to an embodiment of the present application, wherein the support structure 1 includes a support body 300 and a cable tie 500 .

[0065] The support body 300 has a receiving space 301, such as Figure 2 As shown, the accommodating space 301 is used to accommodate at least one of the functional device 10 and the connecting pipeline 11 of the hydraulic module, and the supporting body 300 is used to provide support for the functional device 10 and the connecting pipeline 11 of the hydraulic module. The supporting body 300 has heat insulation properties. The supporting body 300 is arranged at the periphery of the functional device 10, which can prevent water vapor from condensing on the surface of the functional device 10 and reduce the humidity in the hydraulic module box. In this way, the supporting body 300 can not only meet the installation requirements of the functional device 10 and the connecting pipeline 11, but also has good installation stability. The supporting body 300 can also play a role of heat insulation and shock absorption. There is no need to set up structural parts to install the functional device 10 in the box of the hydraulic module, and there is no need to set up a separate thermal insulation and shock absorption structure to perform thermal insulation and shock absorption on the functional device 10 and the connecting pipeline 11, which helps to simplify the structure of the internal space of the hydraulic module, facilitate installation and maintenance, and reduce the volume of the hydraulic module. The accommodating space 301 for accommodating the functional device 10 may be a contoured space similar in shape to the functional device 10, and the wall surface of the accommodating space 301 fits the surface of the functional device 10. The accommodating space 301 for accommodating the connecting pipeline 11 may be a contoured space similar in shape to the connecting pipeline 11, and the wall surface of the accommodating space 301 fits the surface of the connecting pipeline 11.

[0066] The hydraulic module includes at least one functional device 10, for example, the functional device 10 includes at least one of a water tank 40, a water pump 50, a heat exchange device 30, an expansion tank and a valve body 60, etc. The hydraulic module includes a plurality of connecting pipes 11, each connecting pipe 11 is connected to at least one functional device 10, so as to conduct the plurality of functional devices 10 and the structure outside the hydraulic module, thereby forming a smooth refrigerant heat exchange flow path. The hydraulic module also includes an electric control box, which includes an electric control board, wherein at least part of the functional devices 10 are electrically connected to the electric control board or connected to the device signal on the electric control board through a connecting wire, and the connecting wire includes a connecting wire for transmitting a point signal, an optical fiber for transmitting an optical signal, etc. When the number of functional devices 10 is large, the number of connecting wires is also large, resulting in complex routing. In addition, the internal space of the hydraulic module is small, and the arrangement of the plurality of functional devices 10 is also relatively tight. There are multiple reversals in the routing of the connecting wires inside the hydraulic module, and it is also easy to have abnormal conditions such as unstable connection or collision with other structural parts. Therefore, the internal wiring of the hydraulic module is quite difficult.

[0067] In the embodiment of the present application, in addition to providing support and protection for each functional device 10 and the connecting pipeline 11, the support body 300 is also provided with a wire groove 400 on the outer surface of the support body 300 that is connected to the accommodating space 301. The wire groove 400 is used to accommodate connecting wires connected to the functional device 10. The connecting wires are stored in the wire groove 400 to prevent the connecting wires from moving around randomly, thereby improving the stability of the connection between the connecting wires and the functional device 10. The routing direction of the connecting wires is guided by the wire groove 400, so that each connecting wire is routed to a suitable position and connected to the corresponding functional device 10, which facilitates the rapid finding of the corresponding connecting wire and the disassembly and assembly of the corresponding functional device 10 during installation and maintenance.

[0068] The wire groove 400 is in an open state, and the opening of the wire groove 400 is outside the supporting body 300. The connecting wire can enter and exit the wire groove 400 through the opening of the wire groove 400. At the same time, the width of the wire groove 400 is set to be relatively large, so that the connecting wire can move in the wire groove 400, and the wall surface of the wire groove 400 is prevented from squeezing the connecting wire, which is convenient for wiring. In addition, the wire groove 400 has a certain depth, so that the wire groove 400 can be used to store the connecting wire and also can be used to preliminarily limit the connecting wire, so as to prevent the connecting wire from easily moving out of the wire groove 400.

[0069] At least one connecting wire may be arranged in the wire groove 400. It is understandable that while the wire groove 400 is in an open state for easy routing, there may be a situation where the connecting wire moves out of the wire groove 400, especially when there are multiple connecting wires in the wire groove 400 or the connecting wire needs to change direction, which increases the probability of the connecting wire moving out of the wire groove 400. In the embodiment of the present application, the support structure 1 is provided to further include a wire tie 500, which is arranged in the wire groove 400 and defines a wire passing space 430 for the connecting wire to pass through with the support body 300. The connecting wire in the wire groove 400 is tied by the wire tie 500, and the position of the connecting wire relative to the support body 300 is positioned to prevent the connecting wire from moving out of the wire groove 400, thereby improving the installation stability of the connecting wire. The wire harness 500 is detachably mounted on the support body 300. After the wire harness 500 is removed from the support body 300, the connecting wire can directly enter and exit the wire groove 400, which is convenient for installation and maintenance. After the wire harness 500 is installed on the support body 300, the connecting wire can be limited, which is convenient for operation. In addition, the wire harness 500 is smaller than the support body 300. The wire harness 500 only partially limits the connecting wire, and the other parts of the connecting wire in the wire groove 400 are exposed. In this way, the wire harness 500 cooperates with the support body 300 to not only restrain the position of the connecting wire, but also directly observe the position of the connecting wire, making the installation and maintenance of the hydraulic module convenient.

[0070] Optionally, there is one wire trough 400, and the connecting wires corresponding to the multiple functional devices 10 can be concentrated in one wire trough 400 for routing, and then connected to the electric control box after being led out from the wire trough 400. At least one wire harness 500 is provided in the wire trough 400, and preferably, multiple wire harnesses 500 are provided in the wire trough 400, and the multiple wire harnesses 500 are arranged at intervals to improve the routing stability of the multiple connecting wires.

[0071] Optionally, there are multiple wire ducts 400, and the multiple wire ducts 400 form at least one group of wire duct units, and each group of wire duct units includes a main wire duct 410 and multiple sub-wire ducts 420. Figure 3 As shown, the wire duct 400 includes a group of wire passing units, which include a main wire duct 410 and multiple sub-wire ducts 420. One end of the sub-wire duct 420 has a lead-in entrance 40a, and the connecting wire enters the sub-wire duct 420 through the lead-in entrance 40a. The connecting wire connected to the functional device 10 can enter the nearest sub-wire duct 420. Each sub-wire duct 420 is used to introduce the connecting wire connected to the functional device 10, so that multiple connecting wires converge to the main wire duct 410. One end of the main wire duct 410 has a lead-in exit 40b, and multiple connecting wires are led out through multiple connecting wires and then connected to the electric control box, which is convenient for the routing of the connecting wires of the functional devices 10 in different orientations. Figure 3 The direction indicated by the middle arrow is the routing direction of the connecting wire. In actual use, the extension direction of the sub-line trough 420 can also be set based on the installation position of each functional device 10 in the hydraulic module, so that the sub-line trough 420 extends to the vicinity of the corresponding functional device 10, so that the connecting wire connected to the functional device 10 can directly enter the sub-line trough 420, reducing the degree of bending of the connecting wire. Of course, each sub-line trough 420 can correspond to at least one functional device 10, and the connecting wires of multiple functional devices 10 near the same sub-line trough 420 can enter the same sub-line trough 420, reducing the design complexity of the sub-line trough 420.

[0072] In some other embodiments, based on the wiring requirements, multiple wire ducts 400 can also be set to form multiple groups of wire passing units. Correspondingly, the multiple wire ducts 400 include multiple main wire ducts 410, and the connecting wires drawn from the multiple main wire ducts 410 can be routed from multiple positions to the electric control box connected to the hydraulic module. The embodiment of the present application does not limit the number of main wire ducts 410, and the specific number can be selected according to actual needs. Of course, based on the wiring requirements, the wire ducts 400 of multiple wire passing units can also be connected, and the same connecting wire can also be routed in the wire ducts 400 of multiple wire passing units for flexible wiring.

[0073] There are multiple connecting wires in the main wire slot 410 . The interaction between the multiple connecting wires will increase the probability of the connecting wires moving out of the main wire slot 410 . At least one wire binding member 500 may be installed in the main wire slot 410 to bind the multiple connecting wires.

[0074] There is at least one connecting wire in the sub-wire slot 420. The connecting wire reverses direction when entering the sub-wire slot 420 from the functional device 10, and the connecting wire also reverses direction when entering the main wire slot 410 from the sub-wire slot 420. At least one wire harness 500 can be installed in the main wire slot 410 to restrain the connecting wire to prevent the connecting wire from moving out of the sub-wire slot 420 due to bending stress or other forces.

[0075] Alternatively, if Figure 3 As shown, when there are multiple cable ties 500, some of the cable ties 500 are arranged in the main cable trough 410, and other parts of the cable ties 500 are arranged in the sub-cable trough 420. Multiple cable ties 500 are used to restrain and limit the connecting wires at multiple locations, thereby further improving the routing stability of the multiple connecting wires.

[0076] In actual use, the arrangement positions of the functional devices 10 inside the hydraulic module are complex and changeable, and the positions where the connecting wires are connected to the functional devices 10 are also complex and changeable. In this way, the directions of the connecting wires of each functional device 10 entering the wire slot 400 are also different. The extension direction of each sub-wire slot 420 is set based on the wiring direction of the connecting wires. When the connecting wires in each sub-wire slot 420 converge to the main wire slot 410, considering that each sub-wire slot 420 is limited by the incoming wire direction, all sub-wire slots 420 are set to be directly connected to the main wire slot 410; or, the sub-wire slot 420 is set to include a first sub-wire slot 421 and a second sub-wire slot 422, the first sub-wire slot 421 is directly connected to the main wire slot 410, and the second sub-wire slot 422 is connected to the main wire slot 410 through the first sub-wire slot 421. Under the above two connection methods, the wiring requirements can be met, the number of bending and reversing of the connecting wires can be reduced, and the installation stability of the connecting wires can be improved.

[0077] Optionally, the support body 300 has at least two accommodating spaces 301 arranged side by side in the first direction A. When the support structure 1 is installed in the hydraulic module, the first direction A can be a horizontal direction or a vertical direction. Some of the functional components 10 of the hydraulic module can be arranged in the two accommodating spaces 301, and the remaining functional components 10 of the hydraulic module can be arranged in the external space of the support body 300 and in the internal space of the box of the hydraulic module. At least part of the wire groove 400 extends along the first direction A, so that the connecting wire can smoothly enter the wire groove 400. Specifically, as shown in Figure 4, the wire groove 400 includes a first wire segment 401 and a plurality of second wire segments 402 provided on the main surface 331 of the supporting body 300. The first wire segment 401 extends along a first direction A, and all the second wire segments 402 are connected to the first wire segment 401, and each second wire segment 402 extends along a second direction B. The second direction B is perpendicular to the first direction A and parallel to the main surface 331. In this way, wires can be introduced from multiple directions, and the wiring lines are simple, which facilitates reducing the number of bending times of the connecting wires.

[0078] The main line groove 410 may be a straight groove, for example, the main line groove 410 may be formed by the first line segment 401 or the second line segment 402. The main line groove 410 may also be a multi-section curved groove, for example, the main line groove 410 may be formed by splicing at least one first line segment 401 and at least one second line segment 402.

[0079] Optionally, at least a portion of one of the second line segments 402 forms a main line slot 410. Figure 4a As shown, one of the second line segments 402 forms a main line slot 410, and the end of the second line segment 402 away from the first line segment 401 has a lead outlet 40b, the first line segment 401 is a first sub-line slot 421, and the remaining second line segments 402 are second sub-line slots 422. In this way, after a plurality of connecting lines are gathered, they are led out of the line slot 400 from the second line segment 402 along the second direction B. Or, as Figure 4b As shown, a portion of one of the second line segments 402 forms a main line slot 410, and one of the ports of the second line segment 402 forms a lead outlet 40b, the remaining portion of the second line segment 402 forms one of the first sub-line slots 421, the first line segment 401 forms another first sub-line slot 421, and the remaining second line segments 402 are second sub-line slots 422 and are all connected to the first line segment 401.

[0080] Optionally, at least part of the first line segment 401 forms a main line slot 410. Figure 5aAs shown, part of the first line segment 401 is the main line slot 410, and one of the ports of the first line segment 401 forms a lead outlet 40b, the remaining part of the first line segment 401 is the first sub-line slot 421, and the second line segment 402 is the second sub-line slot 422 and is connected to the first sub-line slot 421. In this way, after a plurality of connecting lines are gathered, they are led out of the line slot 400 from the first line segment 401 along the first direction A. Alternatively, as Figure 5b As shown, a portion of the first line segment 401 and one of the second line segments 402 are spliced ​​to form a main line groove 410, and the port of the second line segment 402 away from the first line segment 401 forms a lead outlet 40b, and the remaining part of the first line segment 401 forms a first sub-line groove 421, and the remaining second line segments 402 are second sub-line grooves 422 and are all connected to the first line segment 401.

[0081] Furthermore, in a second direction B perpendicular to the first direction A, a portion of the second line segment 402 is arranged on one side of the first line segment 401, and another portion of the second line segment 402 is arranged on the other side of the first line segment 401, and both are connected to the first line segment 401. In this way, it is convenient for multiple connecting wires to enter the line groove 400 from multiple directions, and the wiring is simple.

[0082] The above is only an exemplary introduction to the situation where the wire groove 400 is on the same outer surface of the supporting body 300, the first wire segment 401 of the wire groove 400 extends along the first direction A, and the second wire segment 402 extends along the second direction B, so that the first wire segment 401 and the second wire segment 402 are in the same plane. In some other embodiments, the various parts of the wire groove 400 can also be arranged to be in the same plane and have other shapes. For example, the wire groove 400 is formed by splicing at least one of an arc groove, an S-shaped groove, an X-shaped groove, and an H-shaped groove.

[0083] Of course, the wire groove 400 can also be provided on multiple outer surfaces of the support body 300. Figure 6As shown, the wire groove 400 includes a first wire segment 401 and a plurality of second wire segments 402, and the wire groove 400 also includes a third wire segment 403. For example, the first wire segment 401 and the plurality of second wire segments 402 are located on the main surface 331 of the support body 300, and the third wire segment 403 is located on the side surface 332 of the support body 300, and the side surface 332 is vertically connected to the main surface 331. The third wire segment 403 is connected to the first wire segment 401 and the second wire segment 402. At least one of the wire crossing segments 403 extends along the third direction C, the third wire crossing segment 403 and the second wire crossing segment 402 together form a sub-wire groove 420 in a bent state, or the third wire crossing segment 403 and the first wire crossing segment 401 together form a sub-wire groove 420 in a bent state, and the first direction A, the second direction B and the third direction C are perpendicular to each other. In this way, the first wire crossing segment 401, the second wire crossing segment 402 and the third wire crossing segment 403 are arranged in two vertical planes, making the routing more flexible.

[0084] The arrangement positions of the functional components 10 and the connecting pipes 11 inside the hydraulic module are complex and changeable. The support body 300 includes a plurality of plates, which are spliced ​​to define a receiving space 301 to facilitate the installation of the support body 300 .

[0085] The multiple plates of the support structure 1 are arranged in the accommodating cavity of the box, and the multiple plates are spliced ​​to define the accommodating space 301. The multiple plates can be installed on the inner wall surface of the hydraulic module box, or the outer surface of at least part of the plates fits the inner wall surface of the box to fix the positions of the multiple plates. At least one of the plates has a wire groove 400 on its outer surface. When the wire groove 400 is formed on the outer surfaces of the multiple plates, the wire grooves 400 of the multiple plates can be spliced ​​together to guide the multiple connecting wires to the electric control box.

[0086] like Figure 6 As shown, the wire groove 400 has a plurality of wire inlets 40a communicating with the accommodating space 301, at least one wire inlet 40a is opened on the surface of the plate, or at least one wire inlet 40a is defined by splicing a plurality of plates.

[0087] Exemplarily, the wire entrance 40a may be opened on the surface of the plate under the following circumstances: when the connecting wire is led from the open area of ​​the accommodating space 301 to the wire entrance 40a, the wire entrance 40a is set corresponding to the open area of ​​the accommodating space 301, and the wire entrance 40a may be directly opened on the surface of the plate; or, when the connecting wire of the functional device 10 located in the external space of the supporting body 300 is led to the wire entrance 40a, the wire entrance 40a is set corresponding to the functional device 10 in the external space of the supporting body 300, and the wire entrance 40a may be directly opened on the surface of the plate.

[0088] For example, the lead inlet 40a can be defined by a plurality of plates spliced ​​together in the following situation: when it is inconvenient to lead out the connection wires connected to the functional device 10 from the open area of ​​the accommodating space 301, the lead inlet 40a can be defined by a plurality of plates spliced ​​together to facilitate flexible wiring.

[0089] At least part of the plates are spliced ​​along the first direction A to define the accommodating space 301, or, at least part of the plates are spliced ​​along the second direction B to define the accommodating space 301, or, part of the plates are spliced ​​along the first direction A and another part of the plates are spliced ​​along the second direction B to define the accommodating space 301, wherein the first direction A can be a vertical direction and the second direction B can be a horizontal direction. The splicing method as described above is adopted to facilitate the splicing and disassembly of multiple plates, and then to facilitate the installation of functional devices 10 and connecting pipes. After the hydraulic module is put into use, for example, when the hydraulic module is installed on the wall of the user's home, according to the above-mentioned splicing method, it is convenient to disassemble the plates to inspect the functional devices 10 and the connecting pipes.

[0090] The support body 300 is spliced ​​by multiple plates and defines a receiving space 301. Optionally, the receiving space 301 includes an expansion space 30a and a heat exchange space. The expansion space 30a is used to install the expansion tank of the hydraulic module, and the heat exchange space is used to install the heat exchange device 30 of the hydraulic module.

[0091] Alternatively, if Figure 6 As shown, the plate body includes a first plate body 31, a second plate body 32 and a third plate body 33. The second plate body 32 is installed on the first plate body 31, and the second plate body 32 and the first plate body 31 define an expansion space 30a. The third plate body 33 is installed on the first plate body 31, and the third plate body 33 and the first plate body 31 define a heat exchange space. The heat exchange space and the expansion space 30a are arranged side by side in the first direction A. The second plate body 32 is located on one side of the third plate body 33 in the first direction A, and a wire groove 400 is provided on the outer surface of the third plate body 33, wherein the outer surface of the third plate body 33 includes a main surface 331 and a side surface 332, and the wire groove 400 includes a first wire segment 401 and a second wire segment 402 provided on the main surface 331, and a third wire segment 403 provided on the side wall surface, the first wire segment 401 forms a first sub-wire groove 421, each third wire segment 403 is connected with one of the second wire segments 402 to form a second sub-wire groove 422, and the second wire segment 402 not connected with the third wire segment 403 forms a main wire groove 410, at this time, part of the lead-in entrance 40a is spliced ​​by the first plate body 31 and the third plate body 33, and the other part of the lead-in entrance 40a is opened on the outer surface of the third plate body 33.

[0092] Specifically, the lead inlet 40a includes an inlet water lead inlet 401a and an outlet water lead inlet 401b, and the inlet water lead inlet 401a and the outlet water lead inlet 401b are both defined by the first plate body 31 and the third plate body 33 being spliced ​​together. The inlet water lead inlet 401a corresponds to the inlet temperature sensor setting of the heat exchange device 30, and is used to guide the connecting wire of the inlet temperature sensor into the wire groove 400. The outlet water lead inlet 401b corresponds to the outlet temperature sensor setting of the heat exchange device 30, and is used to guide the connecting wire of the outlet temperature sensor into the wire groove 400. The lead-in entrance 40a also includes a first lead-in entrance 401c and a second lead-in entrance 401d. The first lead-in entrance 401c and the second lead-in entrance 401d are opened on the outer surface of the third plate body 33. The first lead-in entrance 401c corresponds to the open area of ​​the expansion space 30a defined by the first plate body 31 and the second plate body 32, and the second lead-in entrance 401d corresponds to the external space of the support body 300. The connecting wire can flexibly enter the wire groove 400 from the first lead-in entrance 401c and the second lead-in entrance 401d.

[0093] The accommodating space 301 also includes a water tank space and a water pump space. The water tank space is used to accommodate a water tank 40 of the hydraulic module, and the water pump space is used to accommodate a water pump 50 of the hydraulic module.

[0094] Alternatively, if Figure 7 As shown, the plate body further includes a fourth plate body 34 and a fifth plate body 35. The fourth plate body 34 is mounted on the first plate body 31, and the fourth plate body 34 and the first plate body 31 define a water tank space, which is located on one side of the expansion space 30a in the second direction B. The fifth plate body 35 is mounted on the first plate body 31, and defines a water pump space, which is located on one side of the heat exchange space in the second direction B, and is located on one side of the water tank space in the first direction A. At this time, the second lead inlet 401d can be set toward the water pump 50, and the connection line of the water pump 50 can be led out from the water pump space through the second lead inlet 401d and enter the wire groove 400.

[0095] It should be noted that the open area of ​​the accommodation space 301 described in the embodiment of the present application is an area connected to the external area of ​​the support body 300, and the connecting wires in the accommodation space 301 and the connecting wires in the external space of the support body 300 can enter and exit the open area of ​​the accommodation space 301. For example, the hydraulic module also includes a switch valve body 60 arranged on the connecting pipeline 11 connecting the water tank 40 and the heat exchange device 30. The switch valve body 60 is electrically connected to the electric control board of the electric control box through the connecting wire to adjust the flow of the refrigerant between the water tank 40 and the heat exchange device 30. The switch valve body 60 is arranged in the external space of the support body 300. The connecting wire connected to the switch valve body 60 can enter the first lead inlet 401c from the external space of the support body 300 through the open area of ​​the expansion space 30a, and then enter the wire groove 400.

[0096] For example, in the embodiment of the present application, the connection lines of the inlet temperature sensor, the outlet temperature sensor, the water pump 50 and the switch valve body 60 are guided through the wire groove 400 to be electrically connected to the electric control board of the electric control box, and the connection line of the water tank 40 directly extends from the water tank space to be electrically connected to the electric control board of the electric control box. Of course, when there are other functional devices 10 in the hydraulic module, the connection lines of the other functional devices 10 can be guided through the wire groove 400 to be electrically connected to the electric control board of the electric control box, or directly electrically connected to the electric control board of the electric control box. This application does not limit this, and it can be selected according to actual needs.

[0097] like Figure 8 As shown, the hydraulic module also includes an electric control box, which is arranged on the outside of the supporting body 300, and the lead outlet 40b of the wire slot 400 avoids the electric control box, so that the connecting wires are all led out from the lead outlet 40b to the main control board of the electric control box for electrical connection. Optionally, the electric control box is arranged corresponding to the second plate body 32, and the electric control box abuts against the second plate body 32 to improve the installation stability of the second plate body 32, and the third plate body 33 is arranged on one side of the electric control box, so that the lead outlet 40b avoids the electric control box, and when the first direction A is a vertical direction, the electric control box is located above the lead outlet 40b, and the connecting wires led out through the lead outlet 40b extend upward to the electric control board connected to the electric control box.

[0098] The box of the hydraulic module includes a top cover 110 and a bottom cover 120 arranged oppositely in a first direction A, a left side wall 130 and a right side wall 140 arranged oppositely in a second direction B, and a front cover and a rear cover arranged oppositely in a third direction C. The top cover 110, the bottom cover 120, the left side wall 130, the right side wall 140, the front cover and the rear cover are connected to define a receiving cavity of the box, and the front cover can be opened and closed, so that the front cover can be opened to expose the structural parts arranged in the receiving cavity 100a, which is convenient for maintenance. Figure 8 As shown, the electric control box can be installed on the left side wall 130 and the right side wall 140 .

[0099] In the embodiment of the present application, the refrigerant flows inside the functional module and the connecting pipe 11 for heat exchange, and it is easy for water vapor to condense on the outer surface of the functional module and the connecting pipe 11, resulting in moisture inside the box of the hydraulic module. Optionally, the support body 300 is made of a material with good structural strength, heat insulation, and shock absorption. The support body 300 plays a heat insulation role, reduces the condensation of water vapor on the outer surface of the functional module and the connecting pipe 11, and improves the dryness of the internal space of the hydraulic module. For example, the support body 300 is a polypropylene foam board, which has good structural strength, can provide stable support for the functional device 10, and has a good heat insulation effect; or, the heat-insulating support member includes a hard support shell and a heat-insulating material layer filled in the internal space of the hard support shell, and the hard support shell provides support for the functional device 10, and the heat-insulating material layer plays a heat-insulating role. Among them, the materials of the multiple plates of the support body 300 can be the same or different, and this application does not limit this. It can be selected according to actual needs.

[0100] The wire trough 400 has a depth in a preset direction; the wire tie component 500 is arranged in the wire trough 400, and in the preset direction, the wire tie component 500 has a first surface 510 that faces away from the bottom wall of the wire trough 400, and the distance from the first surface 510 to the groove of the wire trough 400 is △h, 0mm≤△h≤10mm, which prevents the wire tie component 500 from protruding from the surface of the supporting body 300 and being easily bumped, thereby improving the installation stability of the wire tie component 500.

[0101] The cable tie 500 is detachably mounted on the cable groove 400. Optionally, the cable tie 500 is an elastic cable tie. The cable tie 500 is clamped on the cable groove 400, so that the cable tie 500 effectively binds the connecting wires, and the cable tie 500 is convenient to be directly disassembled and assembled on the supporting body 300. For example, the cable tie 500 can be a foam cable tie, a silicone cable tie, or a rubber cable tie.

[0102] like Fig. 9 As shown, the cable tie 500 has a first surface 510 and a second surface 520 disposed oppositely, and two third surfaces 530 disposed oppositely. The second surface 520 and the bottom surface of the cable groove 400 define a cable passing space 430. Each third surface 530 is connected between the first surface 510 and the second surface 520, and the third surface 530 is in contact with the side wall of the cable groove 400. In the direction from the second surface 520 to the first surface 510, at least a portion of the spacing between the two third surfaces 530 gradually decreases, so that the cable tie 500 can be snapped into the cable groove 400.

[0103] Alternatively, if Fig.10As shown, the second surface 520 includes a first curved surface area 521 and two first plane areas 522 disposed on opposite sides of the first curved surface area 521. Correspondingly, the bottom wall of the wire-passing groove 400 includes a second curved surface area and two second plane areas disposed on opposite sides of the second curved surface area. The second curved surface area is disposed opposite to the first curved surface area 521 to define a wire-passing space 430. The first plane area 522 fits with the second plane area to improve the installation stability of the wire-binding component 500 when installed in the wire-passing groove 400. Further, the second surface 520 also includes two first inclined surface areas 523, each of which is connected to a side of the first plane area 522 away from the first curved surface area 521 and is inclined toward the side where the first surface 510 is located. The spacing between the ends of the two first inclined surface areas 523 connected to the first plane area 522 is less than the width of the notch of the wire-passing groove 400, so that the two first inclined surface areas 523 guide the wire-binding component 500 to smoothly enter the wire-passing groove 400.

[0104] Optionally, at least one of the two third surfaces 530 has a second slope area 531, so that at least a portion of the distance between the two third surfaces 530 is gradually reduced in the direction from the second surface 520 to the first surface 510. Fig. 9 and Fig.10 As shown, the two third surfaces 530 both have a second inclined surface area 531, and the second inclined surface areas 531 of the two third surfaces 530 are inclined toward each other. Further, the third surface 530 also has a third plane area 532 connected to one side of the second inclined surface area 531, and a fourth plane area 533 connected to the other side of the second inclined surface area 531, the third plane area 532 is connected to the first inclined surface area 523, and the fourth plane area 533 is connected to the first surface 510, the third plane area 532 and the fourth plane area 533 are both perpendicular to the first plane area 522, and the third plane area 532 and the fourth plane area 533 are respectively arranged in two parallel planes, and the second inclined surface area 531, the third plane area 532 and the fourth plane area 533 are all in contact with the side wall of the wire groove 400, so that the wire harness 500 can be stably installed in the wire groove 400.

[0105] Optionally, in the extension direction of the wire groove 400, the wire harness 500 has a wire harness cross section, such as Fig.10 As shown, the cross section of the wire harness has a central axis H passing through the midpoint of the first surface 510, and the cross section of the wire harness is an axisymmetric cross section centered on the central axis H. Further, the first surface 510 is a plane, a curved surface, etc. When the first surface 510 is a plane, the first surface 510 is parallel to the first plane area 522. Furthermore, the first surface 510 is flush with the main surface 331 of the support body 300 to prevent the wire harness 500 from protruding too much and colliding with other structural parts.

[0106] like Fig.11As shown, the outer surface of the support body 300 is also provided with a limiting groove 405 connected to the wire groove 400, the width h1 of the limiting groove 405 is greater than the width h2 of the wire groove 400, the wire tie 500 is arranged in the limiting groove 405, and the surface of the wire tie 500 is in contact with the wall of the limiting groove 405, thereby limiting the position of the wire tie 500 relative to the wire groove 400, and preventing the wire tie 500 from moving freely in the extension direction of the wire groove 400. Among them, at least one of the main wire groove 410 and the sub-wire groove 420 as described above includes alternately connected wire grooves 400 and limiting grooves 405, for example, the main wire groove 410 has one limiting groove 405, and the first sub-wire groove 421 has two limiting grooves 405, and each limiting groove 405 has a wire tie 500.

[0107] This embodiment further provides a HVAC system, including the hydraulic module mentioned above, wherein the hydraulic module has been introduced in the above embodiment, and will not be described in detail here.

[0108] It should be noted that the HVAC system provided in this embodiment should also include other modules or components that enable the HVAC system to operate normally, which are not introduced one by one here.

[0109] The HVAC system provided in this embodiment includes a hydraulic module. By arranging a support structure 1 in the box of the hydraulic module, the accommodating space 301 inside the support structure 1 is adapted to the outer contour of the functional device 10 and the connecting pipeline 11. The support structure 1 blocks the heat exchange, reduces the condensation of water vapor on the surface of the functional device 10 and the connecting pipeline 11, and reduces the humidity in the box of the hydraulic module, so that the HVAC system can operate normally for a longer period of time. In addition, the connecting wires are stored in the wire groove 400 to prevent the connecting wires from moving at will, so that each connecting wire is routed to a suitable position and connected to the corresponding functional device 10, which is convenient for quickly finding the corresponding connecting wire and disassembling and assembling it in the corresponding functional device 10 during installation and maintenance. The connecting wires in the wire groove 400 are restrained by a detachable wire harness 500. The wire harness 500 cooperates with the support body 300, which can not only restrain the position of the connecting wires, but also directly observe the position of the connecting wires, making the installation and maintenance of the hydraulic module convenient.

[0110] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this application, it should be understood that if the terms "upper", "lower", "left", "right", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the drawings, it is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0111] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A support structure, characterized in that: For a hydraulic module, the support structure comprises: A support body, wherein a wire groove is provided on the outer surface of the support body, and the wire groove is used to accommodate a connection wire connected to the functional device; and A wire harness component, wherein the wire harness component and the support body define a wire passing space for the connecting wire to pass through, and the wire harness component is detachably mounted on the support body.

2. The support structure according to claim 1, characterized in that: The line trough includes a main line trough and a plurality of sub-line troughs, each of the sub-line troughs being used to introduce a connection line connected to the functional device, so that the plurality of connection lines converge to the main line trough and are led out.

3. The support structure according to claim 2, characterized in that: There are multiple wire harnesses, some of which are arranged in the main wire duct, and the other parts of which are arranged in the sub-wire duct.

4. The support structure according to claim 2, characterized in that: All of the sub-line ducts are directly connected to the main line duct; or, The sub-cable trough includes a first sub-cable trough and a second sub-cable trough, wherein the first sub-cable trough is directly connected to the main cable trough, and the second sub-cable trough is connected to the main cable trough through the first sub-cable trough.

5. The support structure according to claim 2, characterized in that: The wire groove includes a first wire segment and a plurality of second wire segments provided on the main surface of the support body, the first wire segment extends along a first direction, all the second wire segments are connected to the first wire segment, and each of the second wire segments extends along a second direction, the second direction is perpendicular to the first direction and parallel to the main surface; At least part of one of the second line segments forms the main line slot; and / or, At least a portion of the first line segment forms the main line slot.

6. The support structure according to claim 5, characterized in that: The wire groove also includes a third wire segment arranged on the side surface of the support body, the third wire segment is connected to the second wire segment or the first wire segment, and the third wire segment extends along a third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

7. The support structure according to claim 1, characterized in that: The supporting body comprises a plurality of plates, and the plurality of plates are spliced ​​together to define a containing space, wherein the outer surface of at least one of the plates is provided with the wire passing groove.

8. The support structure according to claim 7, characterized in that: The wire groove has a plurality of wire lead-in entrances communicating with the accommodation space; At least one of the lead-in inlets is opened on the surface of the plate; and / or, At least one of the lead-in inlets is defined by splicing a plurality of the plates.

9. The support structure according to claim 7, characterized in that: The accommodating space includes an expansion space and a heat exchange space; the plate body includes: A first plate body; a second plate body, mounted on the first plate body, and defining the expansion space together with the first plate body; The third plate body is installed on the first plate body and defines the heat exchange space together with the first plate body. The heat exchange space and the expansion space are arranged side by side in the first direction. The outer surface of the third plate body is provided with the wire groove.

10. The support structure according to claim 9, characterized in that The accommodating space includes a water tank space and a water pump space; the plate body also includes: a fourth plate body, mounted on the first plate body, and defining the water tank space together with the first plate body; the water tank space is located on one side of the expansion space in a second direction, and the second direction is perpendicular to the first direction; The fifth plate body is installed on the first plate body and defines the water pump space; the water pump space is located on one side of the heat exchange space in the second direction, and is located on one side of the water tank space in the first direction.

11. The support structure according to claim 7, characterized in that: The accommodation space is a contoured space for accommodating the functional device, and the wall surface of the accommodation space is used to fit with the surface of the functional device.

12. The support structure according to claim 1, characterized in that The wire passing groove has a depth in a preset direction; the wire tying component is arranged in the wire passing groove, and in the preset direction, the wire tying component has a first surface facing away from the bottom wall of the wire passing groove, and the distance from the first surface to the groove opening of the wire passing groove is △h, 0mm≤△h≤10mm.

13. The support structure according to claim 1, characterized in that The cable tie is an elastic cable tie, and the cable tie is clamped in the cable groove.

14. The support structure according to claim 13, characterized in that The wire harness has a first surface and a second surface that are opposite to each other, and two third surfaces that are opposite to each other; The second surface and the bottom surface of the wire passing groove define the wire passing space; Each of the third surfaces is connected between the first surface and the second surface, and the third surface is in contact with the side wall of the wire-passing groove; In a direction from the second surface toward the first surface, at least a portion of the distance between the two third surfaces gradually decreases.

15. The support structure according to claim 13, characterized in that In the extension direction of the wire passing groove, the outer surface of the support body is also provided with a limiting groove connected to the wire passing groove, and the width of the limiting groove is greater than the width of the wire passing groove; the wire binding component is arranged in the limiting groove, and the surface of the wire binding component is in contact with the wall of the limiting groove.

16. A hydraulic module, characterized in that: include: Functional devices, including at least one of a water tank, an expansion tank, a heat exchange device and a water pump; A plurality of connecting pipelines, each of the connecting pipelines being in communication with at least one of the functional devices; As in the support structure described in any one of claims 1 to 15 above, at least one of the functional device and the connecting pipeline is arranged in the accommodating space of the support body.

17. The hydraulic module according to claim 16, characterized in that: The hydraulic module also includes a box body, which has a accommodating cavity. The supporting structure is arranged in the accommodating cavity. The supporting body includes a plurality of plates, and the plurality of plates are spliced ​​together to define the accommodating space; wherein the outer surface of at least part of the plates is in contact with the inner wall surface of the box body.

18. The hydraulic module according to claim 16, characterized in that: The hydraulic module includes an electric control box, which is arranged on the outside of the supporting body; The wire passage groove has a wire lead outlet, so that the connecting wire is led out from the wire lead outlet to be electrically connected to the main control board of the electric control box.

19. A HVAC system, characterized in that: Comprising a hydraulic module as claimed in any one of claims 16 to 18.

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