Heat pump indoor unit and heat pump unit

Abstract

The utility model discloses a heat pump indoor unit and a heat pump unit, which comprise a box body, a heat exchanger, a heat exchanger and a heat exchanger, the indoor pipe assembly is arranged in the containing space and comprises an indoor water pipe and a functional element connected to the indoor water pipe. The sealing and locking assembly is arranged at the joint position of an indoor water pipe and a functional element and comprises a first joint piece, a second joint piece and a third joint piece, the second connector piece is assembled on a functional element and is matched with the first connector piece in an inserted mode, and a sealing part is arranged at the matching position of the second connector piece and the first connector piece; and the clamping component is clamped on the first joint piece and the second joint piece so as to enable the first joint piece and the second joint piece to be locked. According to the heat pump indoor unit, the connecting structure at the connecting position of the indoor water pipe assembly and the functional element is changed, and the heat pump indoor unit is convenient to disassemble, small in occupied space and good in sealing performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat pump unit technical field, concretely relates to an improvement of heat pump indoor unit structure. BACKGROUND

[0002] For air source heat pump products, most products consider space utilization, especially heat pump indoor units, which need to be laid out with many functional components and indoor water pipe assembly structures.

[0003] The indoor water pipe in the indoor water pipe assembly inside the existing heat pump indoor unit and the functional elements such as circulating pumps or filtering components connected above it adopt conventional nut and threaded connection, and the sealing effect is achieved by tightening the middle gasket through hex nuts and threads.

[0004] The above connection method requires a wrench to tighten the nut during production assembly and after-sales maintenance and disassembly of the pipeline, therefore, a larger nut tightening operation space needs to be reserved between the pipelines, resulting in a larger volume of the entire heat pump indoor unit and a larger occupied space.

[0005] In addition, since the internal space of the heat pump indoor unit is already very small, the reserved operation space is also limited, resulting in a very small left and right rotation angle of the wrench, which cannot normally clamp the nut to tighten the nut, causing many inconveniences for production and maintenance.

[0006] At the same time, this threaded fitting method requires that the external pipeline be completely disassembled before the internal components of the indoor water pipe assembly can be repaired, resulting in increased maintenance costs.

[0007] The surrounding components are mostly pipeline components, and it is difficult for the wrench to operate, and there is also a problem of uncontrolled torque size, which may cause the gasket to be skewed and cause water leakage, resulting in poor sealing effect. INVENTION CONTENTS

[0008] In view of the above problems pointed out in the background art, the utility model provides a heat pump indoor unit, which changes the connection structure at the connection position of the indoor water pipe assembly and the functional element, which is not only convenient to disassemble but also occupies a small space.

[0009] In some embodiments of the present application, a heat pump indoor unit is provided, which includes:

[0010] A box body forms an accommodation space inside the box body;

[0011] An indoor pipe assembly is arranged in the accommodation space and includes an indoor water pipe and a functional element connected to the indoor water pipe;

[0012] A sealing and locking assembly is arranged at the joint position of the indoor water pipe and the functional element and includes:

[0013] a first joint member assembled on the indoor water pipe;

[0014] a second joint member assembled on the functional element, which is insertedly fitted with the first joint member and communicates, and a sealing component is arranged at the fitting position of the second joint member and the first joint member;

[0015] a clamping component clamped on the first joint member and the second joint member to keep the first joint member and the second joint member locked.

[0016] The heat pump indoor unit in the above technical solution has the following advantages or beneficial effects:

[0017] The connection between the functional element and the indoor water pipe adopts the plug-in connection mode, and only a short distance relative movement of the first joint member and the second joint member is needed to realize installation or disassembly during production, maintenance or installation, so that a large operation space is not needed for the installation or disassembly of the indoor water pipe. Compared with the nut connection mode, the reserved space is reduced, a large space is not needed between adjacent indoor pipes, the indoor pipe assembly can be arranged more compactly, the entire indoor pipe assembly occupies a smaller space, and the volume of the box for accommodating the indoor pipe assembly is also reduced, the heat pump indoor unit is miniaturized, and the volume of the entire heat pump indoor unit is reduced.

[0018] In addition, during installation, only the first joint member and the second joint member are plugged in, and then the clamping component is clamped at the joint position of the first joint member and the second joint member to realize fixation. During disassembly, the clamping component is separated from the first joint member and the second joint member by manual force, and then the first joint member and the second joint member are relatively moved to separate them. Special tools are not needed for installation and disassembly, and the operation is convenient, which is more convenient for installation and disassembly.

[0019] Meanwhile, after the first joint member and the second joint member are plugged in and fitted, the sealing component at the fitting position of the first joint member and the second joint member can realize sealing of the fitting position of the two, the sealing effect is good, and the sealing component will not have the problem of poor sealing effect due to improper rotation operation.

[0020] In some embodiments of the present application, the first joint member comprises:

[0021] a joint body portion, a first plug-in portion is formed in the joint body portion, and the indoor water pipe is plugged in;

[0022] a first stop portion formed at the end of the first plug-in portion, used for stopping and limiting the indoor water pipe;

[0023] The second joint member comprises:

[0024] The second insertion part is in insertion fit with the joint body part;

[0025] The second stop part is formed at the end of the second insertion part and is used for stopping and limiting the first joint piece;

[0026] The connecting part is used for insertion fit with the functional element.

[0027] The heat pump indoor unit has the following advantages or beneficial effects:

[0028] The first insertion part and the first stop part on the first joint piece are used for quick insertion and fit of the indoor water pipe and the first joint piece, the second insertion part on the second joint piece is used for insertion fit with the first joint piece, and the second stop part above is used for limiting the first joint piece, so that the first joint piece can be quickly inserted and fitted in place.

[0029] In some embodiments of the present application, a first limiting part is formed on the outside of the joint body part;

[0030] A second limiting part is formed at one end of the second joint piece close to the second insertion part;

[0031] When the first joint piece and the second joint piece are inserted and fitted in place, the second limiting part is abutted on the first limiting part.

[0032] The heat pump indoor unit has the following advantages or beneficial effects:

[0033] The first limiting part and the second limiting part are used for limiting the insertion position of the insertion fit of the two, so as to ensure the accuracy of the insertion position of the first joint piece and the second joint piece;

[0034] The first limiting part and the second limiting part are abutted together, which also has a sealing effect.

[0035] In some embodiments of the present application, the sealing part is interference fitted between the outer wall of the joint body part and the inner wall of the second insertion part.

[0036] The heat pump indoor unit has the following advantages or beneficial effects:

[0037] By interference fitting the sealing part between the outer wall of the joint body part of the first joint piece and the second insertion part of the second joint piece, the sealing part can be tightly abutted with the outer wall of the joint body part and the inner wall of the second insertion part, and the sealing effect is ensured.

[0038] In some embodiments of the present application, the clamping part is formed with a clamping space;

[0039] The notch part can deform the clamping part, and the notch part communicates with the clamping space;

[0040] The clamping part is arranged on the first limiting part and the second limiting part to lock the first connector and the second connector.

[0041] The heat pump indoor unit has the following advantages or beneficial effects:

[0042] The clamping part can deform after being stressed, so that the clamping part can be quickly and conveniently clamped or separated from the first connector and the second connector. In addition, the clamping part is clamped and matched with the first limiting part and the second limiting part through the clamping part arranged above, so that the clamping part is firmly connected with the first connector and the second connector.

[0043] In some embodiments of the present application, the indoor water pipe includes a first indoor water pipe, a first functional element is arranged on the first indoor water pipe, the first indoor water pipe includes a plurality of first water pipe segments, a first connector is arranged on a first water pipe segment connected with the first functional element, and the sealing and locking assembly is connected between the first connector and the first functional element.

[0044] The heat pump indoor unit has the following advantages or beneficial effects:

[0045] The sealing and locking assembly is connected between the first connector of the first water pipe segment connected with the first functional element and the first functional element, so that the first water pipe segment at any position can be conveniently and quickly disassembled, maintained or installed. In addition, the first functional element and the first water pipe segment are connected by the sealing and locking assembly, so that a large installation and disassembly space is not required, and the occupied space of the first indoor water pipe is reduced.

[0046] In some embodiments of the present application, the indoor water pipe includes a second indoor water pipe, a second functional element is arranged on the second indoor water pipe, the second indoor water pipe includes a plurality of second water pipe segments, a second connector is arranged on a second water pipe segment connected with the second functional element, and the locking density assembly is arranged at the connection between the second connector and the second functional element.

[0047] The heat pump indoor unit has the following advantages or beneficial effects:

[0048] The sealing and locking assembly is connected between the second connector of the second water pipe segment connected with the second functional element and the second functional element, so that the second water pipe segment at any position can be conveniently and quickly disassembled, maintained or installed. In addition, the second functional element and the second water pipe segment are connected by the sealing and locking assembly, so that a large installation and disassembly space is not required, and the occupied space of the second indoor water pipe is reduced.

[0049] In some embodiments of the present application, the first indoor water pipe bend is arranged in the box, and an installation space is defined inside the box; the second indoor water pipe bend is arranged and at least partially disposed at the installation space.

[0050] The heat pump indoor unit in the above technical solution has the following advantages or beneficial effects:

[0051] Since the connection position of the first indoor water pipe and the first functional element is connected through the sealing and locking assembly, the connection position of the second indoor water pipe and the second functional element is also connected through the sealing and locking assembly, so that a larger space does not need to be reserved when the entire indoor water pipe is installed and disassembled, so that the second indoor water pipe part can be arranged in the installation space defined inside the first indoor water pipe to realize the compact arrangement of the first indoor water pipe and the second indoor water pipe, thereby reducing the occupied space of the entire indoor pipe assembly.

[0052] In some embodiments of the present application, the heat pump indoor unit comprises: a water receiving component arranged at the bottom of the box and used for receiving condensed water on the indoor water pipe;

[0053] The indoor water pipe has a joint segment connected with the external pipeline;

[0054] The water pipe fixing assembly is used for fixing the joint segment and comprises:

[0055] The fixing component is fixed on the box and is inclined to the water receiving component side, and a bayonet portion is formed above the fixing component and arranged through the fixing component;

[0056] The buffer positioning member is sleeved on the joint segment, and a neck portion is formed above the buffer positioning member and arranged in the bayonet portion.

[0057] The heat pump indoor unit in the above technical solution has the following advantages or beneficial effects:

[0058] The fixing component can fix the joint segment of the indoor water pipe, ensuring the firmness of the indoor water pipe connection and fixing, and the fixing component and the water receiving component can also effectively guide the condensed water to the water receiving component for discharge.

[0059] A heat pump indoor unit comprises:

[0060] The box forms an accommodation space inside the box;

[0061] The indoor pipe assembly is arranged in the accommodation space and comprises an indoor water pipe and a functional element connected to the indoor water pipe;

[0062] The sealing and locking assembly is arranged at the joint position of the indoor water pipe and the functional element and comprises:

[0063] a first joint member assembled on the indoor water pipe;

[0064] a second joint member assembled on the functional element, which is in sealed connection with the first joint member;

[0065] a clamping component for locking or unlocking the first joint member and the second joint member.

[0066] The heat pump indoor unit has the following advantages or beneficial effects:

[0067] By setting the first joint member, the second joint member and the clamping component at the connection position of the indoor water pipe and the functional element inside the heat pump indoor unit, when the indoor water pipe is disassembled for maintenance, only the clamping component needs to be moved relative to the first joint member and the second joint member, and then the first joint member and the second joint member are moved to complete the disassembly. When disassembled, the disassembly of the above three components only needs to be moved a short distance to achieve the purpose, so that the indoor water pipe does not need to be prearranged in a large space, and can be arranged compactly, and the installation and disassembly are more convenient and fast.

[0068] Other features and advantages of the present application will become more apparent after reading the detailed description of the specific embodiments of the present application in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0069] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0070] Figure 1 It is a whole structure diagram of the heat pump indoor unit according to the embodiment;

[0071] Figure 2 It is a schematic diagram of the internal structure of the heat pump indoor unit according to the embodiment;

[0072] Figure 3 Figure 2 A-A sectional view of the heat pump indoor unit according to the embodiment;

[0073] Figure 4 It is a B part of the heat pump indoor unit according to the embodiment; Figure 3

[0074] Figure 5 It is a water collecting component and fixing component structure arrangement structure diagram in the box of the heat pump indoor unit according to the embodiment;

[0075] Figure 6 ​Arrangement structure of first indoor water pipe and second indoor water pipe for heat pump indoor unit according to embodiments Figure 1 ;

[0076] Figure 7 Arrangement structure of first indoor water pipe and second indoor water pipe for heat pump indoor unit according to embodiments Figure 2 ;

[0077] Figure 8 for Figure 7 enlarged view of part C thereof;

[0078] Figure 9 Structural exploded view of sealing locking assembly of heat pump indoor unit according to embodiments;

[0079] Figure 10 Operating principle diagram of heat pump unit of heat pump indoor unit according to embodiments.

[0080] Reference signs:

[0081] 100, cabinet; 210, first indoor water pipe; 211, first water pipe section; 212, first joint part; 213, mounting space; 220, second indoor water pipe; 221, second water pipe section; 222, second joint part; 230, first functional element; 240, second functional element; 300, first joint part; 310, joint body part; 320, first plug-in part; 330, first stop part; 340, first limiting part; 400, second joint part; 410, second plug-in part; 420, second stop part; 430, connecting part; 440, second limiting part; 500, sealing part; 600, clamping part; 610, clamping space; 620, notch part; 630, clamping part; 700, water receiving part; 810, fixing part; 811, bayonet part; 820, buffer positioning part; 821, necked part; 910, water tank; 911, heat exchange coil; 920, heat pump outdoor unit; 930, connecting pipeline assembly; 950, expansion water tank 950; 960, electric heating part. DETAILED DESCRIPTION

[0082] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0083] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0084] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0085] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0086] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0087] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0088] In some embodiments of the present application, a heat pump indoor unit is proposed, referring to Figure 10 As shown, the heat pump indoor unit is connected with the heat pump outdoor unit 920 and the water tank 910 to form a heat pump unit.

[0089] In some embodiments of the present application, the heat pump indoor unit comprises a box body 100, which forms an accommodation space inside the box body 100, and the box body 100 constitutes the shell of the entire heat pump indoor unit, for realizing the accommodation of components in the heat pump indoor unit.

[0090] An indoor pipe assembly is arranged inside the box body 100, which comprises an indoor water pipe and functional elements connected to the indoor water pipe.

[0091] A control box is further arranged inside the box body 100, for controlling related electrical devices.

[0092] The heat pump outdoor unit comprises a compressor and a plate heat exchanger, and the water tank 910 is internally provided with a heat exchange coil 911.

[0093] The plate heat exchanger of the heat pump outdoor unit has a refrigerant-side heat exchange pipe and a water-side heat exchange pipe.

[0094] The refrigerant-side heat exchange pipe flows with refrigerant, and the water-side heat exchange pipe flows with water.

[0095] When connected, the water-side heat exchange pipe of the plate heat exchanger of the outdoor unit is connected with the heat exchange coil 911 in the water tank 910 through a connecting pipe assembly 930, wherein part of the connecting pipes in the connecting pipe assembly are arranged inside the box body 100 of the heat pump indoor unit to form an indoor pipe assembly, and the remaining part forms an outdoor connecting pipe.

[0096] The indoor pipe assembly for connecting the plate heat exchanger and the heat exchange coil 911 of the water tank 910 is also correspondingly arranged with functional elements above it. If it is directly arranged outside and connected with the pipe, it is arranged outside. Not only is the pipe connection miscellaneous and chaotic, but also the aesthetic appearance is poor, and the service life of the functional elements will be affected due to long-term exposure to the outside.

[0097] The connecting plate heat exchanger and the part of the connecting pipe of the water tank 910 and the corresponding built-in functional element are arranged inside the box body 100 of the heat pump indoor unit, the integrated arrangement of the functional element and the pipeline is realized, the occupied space of the connecting pipe assembly is reduced, and the problem of poor appearance and easy damage caused by the external pipeline connection of the functional element is avoided.

[0098] When the heat pump unit starts to operate, the water flow circulates between the heat exchange coil 911, the indoor pipe assembly and the plate heat exchanger, and when the water flow flows to the plate heat exchanger side, the water flow can exchange heat with the refrigerant in the refrigerant side heat exchange pipe to change the temperature of the water flow.

[0099] In some embodiments of the present application, referring to Figure 10 , the water tank 910 is provided with a domestic water inlet pipe and a domestic water outlet pipe, which are in communication with the internal space of the water tank 910. The water flow after heat exchange with the plate heat exchanger exchanges heat with the water in the water tank 910 when flowing to the heat exchange coil 911, thereby achieving the effect of heating the water in the water tank 910. The user can obtain domestic water of appropriate temperature through the domestic water outlet pipe.

[0100] In some embodiments of the present application, the heat pump indoor unit comprises a sealing and locking assembly, referring to Figures 2-4 , the sealing and locking assembly is arranged at the joint position of the indoor water pipe and the functional element, and is used for connecting and sealing the joint position of the indoor water pipe and the functional element.

[0101] In some embodiments of the present application, referring to Figure 4 , 9 , the sealing and locking assembly comprises a first joint piece 300 and a second joint piece 400 matched with the first joint piece 300.

[0102] The first joint piece 300 is assembled on the indoor water pipe for integration with the indoor water pipe, and the second joint piece 400 is assembled on the functional element for integration with the functional element.

[0103] When matched, the first joint piece 300 and the second joint piece 400 are inserted and matched, and after the first joint piece 300 and the second joint piece 400 are inserted and fixed, the connection between the functional element and the indoor water pipe is realized.

[0104] The second joint piece 400 and the first joint piece 300 can be quickly installed and fixed between them by means of insertion and matching.

[0105] When inserted, the first joint piece 300 can be inserted inside the second joint piece 400, or the second joint piece 400 can be inserted inside the first joint piece 300, as long as insertion and fixation can be achieved.

[0106] During insertion, the first connector 300 and the second connector 400 can be inserted vertically along the height of the housing 100, or horizontally along the width of the housing 100.

[0107] A sealing component 500 is provided at the mating point of the first connector 300 and the second connector 400. The sealing component 500 can be used to seal the mating position of the first connector 300 and the second connector 400 to achieve a sealed connection between the two and avoid water leakage.

[0108] In some embodiments of this application, reference is made to Figure 4 , 9 As shown, the sealing and locking assembly includes a locking component 600, which is engaged with the first connector 300 and the second connector 400 to keep the first connector 300 and the second connector 400 locked.

[0109] The heat pump indoor unit in the above technical solution has the following advantages or beneficial effects:

[0110] By using a plug-in connection to connect the functional components and indoor water pipes, installation or disassembly can be achieved by simply moving the first connector 300 and the second connector 400 a short distance relative to each other during production, maintenance, or installation. This eliminates the need to reserve a large operating space for the installation or disassembly of the indoor water pipes. Compared with the nut connection method, which requires a rotation operating space, this reduces the reserved space. No large space needs to be reserved between adjacent indoor pipes, allowing for a more compact layout between indoor pipe assemblies. The entire indoor pipe assembly occupies less space, which in turn reduces the volume of the housing 100 used to house the indoor pipe assembly. This achieves a miniaturized design for the heat pump indoor unit and reduces the overall size of the heat pump indoor unit.

[0111] Furthermore, during installation, simply insert the first connector 300 and the second connector 400, and then lock the clamping component 600 into the joint position of the first and second connectors to achieve fixation. During disassembly, apply manual force to the clamping component 600 to separate it from the first connector 300 and the second connector 400, and then move the first connector 300 and the second connector 400 relative to each other to separate them. Both installation and disassembly can be performed without special tools, making it convenient and easy to operate.

[0112] Meanwhile, after the first connector 300 and the second connector 400 are inserted and fixed, the sealing component 500 located at the mating position of the first connector 300 and the second connector 400 can achieve a good sealing effect at the mating position of the two, and the sealing component 500 will not have the problem of poor sealing effect due to improper twisting operation.

[0113] In some embodiments of the present application, referring to Figure 4 、 9 a first cavity and a first insertion portion for inserting the indoor water pipe are formed inside the joint body portion 310, and the first insertion portion 320 is in communication with the first cavity.

[0114] The first insertion portion 320 is a first insertion cavity formed in the joint body portion 310, which is used for inserting the indoor water pipe to realize the butt joint with the indoor water pipe.

[0115] To ensure the firmness of the connection, the indoor water pipe and the first joint piece 300 are in interference fit.

[0116] In some embodiments of the present application, referring to Figure 4 、 9 the first joint piece 300 includes a first stop portion 330 formed at the end of the first insertion portion 320, which is used for stopping and limiting the indoor water pipe.

[0117] The first stop portion is a first limiting platform formed at the end of the second insertion cavity, which is used for limiting the insertion position of the indoor water pipe, so that the indoor water pipe can be quickly inserted into place.

[0118] In some embodiments of the present application, referring to Figure 4 、 9 the first joint piece 300 includes a joint body portion 310, the second joint piece 400 is formed with a second insertion portion 410 for inserting the joint body portion 310, and a second stop portion 420 is formed at the end of the second insertion portion 410 for stopping and limiting the joint body portion 310.

[0119] The second insertion portion 410 is a second insertion cavity formed in the second joint piece 400, and when connected, the joint body portion 310 is inserted into the second insertion cavity to realize the insertion connection of the first joint piece 300 and the second joint piece 400.

[0120] The second stop portion 420 is a second limiting platform formed at the end of the second insertion cavity, which is used for limiting the insertion position of the joint body portion 310, so that the first joint piece 300 and the second joint piece 400 can be quickly inserted into place.

[0121] The air conditioner in the above technical solution has the following advantages or beneficial effects:

[0122] The second insertion portion 410 on the second joint piece 400 can realize the insertion cooperation with the first joint piece 300, and the second stop portion 420 thereon limits the first joint piece 300, which can ensure that the first joint piece 300 is quickly inserted into place.

[0123] In some embodiments of the present application, a second cavity is formed inside the second joint piece 400, the second cavity extending from one end of the second joint piece 400 to the second insertion portion 410, and the second cavity and the second insertion portion 410 being in communication.

[0124] In some embodiments of the present application, a connecting portion 430 is arranged on the second joint piece 400, the outer diameter of the connecting portion 430 gradually increasing in a direction away from the first insertion portion 320, an insertion opening is arranged on the functional element, and the second joint piece 400 is clamped into the insertion opening through the connecting section to achieve connection with the functional element.

[0125] In some embodiments of the present application, as shown in Figure 4 , 9 a first limiting portion 340 is formed on the outside of the joint body portion 310, and a second limiting portion 440 is formed on one end of the second insertion portion 410 of the second joint piece 400.

[0126] The first limiting portion 340 is a first limiting protrusion formed on the joint body portion 310 close to the first insertion portion 320, and the first limiting protrusion is arranged along the circumference of the joint body portion 310.

[0127] The first limiting protrusion is a first annular limiting protrusion, or a first limiting block, and the first limiting block can be arranged in one or more, and arranged at a certain interval along the circumference of the joint body portion 310.

[0128] The second limiting portion 440 is a second limiting protrusion formed on the end of the second joint piece 400, and the second limiting protrusion is arranged along the circumference of the second joint piece 400.

[0129] The second limiting protrusion can be a second annular limiting protrusion, or a second limiting block, and the second limiting block can be arranged in one or more, and arranged at a certain interval along the circumference of the second joint piece 400.

[0130] When the first joint piece 300 and the second joint piece 400 are inserted in place, the second limiting portion 440 abuts against the first limiting portion 340.

[0131] The first limiting portion 340 and the second limiting portion 440 cooperate to limit the insertion position of the insertion fit, so as to ensure the accuracy of the insertion position of the first joint piece 300 and the second joint piece 400.

[0132] The first limiting portion 340 and the second limiting portion 440 abut against each other, and also have a sealing effect.

[0133] In some embodiments of the present application, the sealing member 500 is interference-fitted between the outer side wall of the joint body portion 310 and the inner wall of the second insertion portion 410.

[0134] The sealing component 500 is an O-shaped sealing ring or an annular sealing component 500.

[0135] In some embodiments of the present application, referring to Figure 4 、 9 As shown, a groove is formed on the outer side wall of the joint body part 310 or a groove is arranged between the inner walls of the second inserting part 410, and the sealing component 500 is embedded in the groove and is tightly fixed between the outer side wall of the joint body part 310 and the inner wall of the second inserting part 410 to seal the two.

[0136] The indoor unit of the heat pump of the above embodiments has the following advantages and effects:

[0137] By tightly fitting the sealing component 500 between the outer wall of the joint body part 310 of the first joint part 300 and the second inserting part 410 of the second joint part 400, the sealing component 500 can be tightly fitted with the outer side wall of the joint body part 310 and the inner side wall of the second inserting part 410, and the sealing effect is guaranteed.

[0138] In some embodiments of the present application, referring to Figure 4 、 9 As shown, the clamping component 600 is formed with a clamping space 610;

[0139] The notch part 620 can deform the clamping component 600, and the notch part 620 communicates with the clamping space 610;

[0140] The clamping part 630 is used for clamping on the first limiting part 340 and the second limiting part 440 to lock the first joint part 300 and the second joint part 400.

[0141] The clamping component 600 is an annular part, and the notch part 620 is a notch formed on the annular part. By arranging the notch, the clamping component 600 can deform when subjected to external force, so that it can be conveniently clamped into the first joint part 300 and the second joint part 400.

[0142] The clamping part 630 is arranged on at least one side wall of the annular part, and the clamping part 630 is a clamping opening penetrating through the annular part, and the first limiting part 340 and the second limiting part 440 can be clamped into the clamping opening and be limited and fixed.

[0143] The above embodiments have the following advantages and effects:

[0144] The clamping part 600 can be deformed after being stressed through the gap part 620, so as to quickly and conveniently clamp or separate the first joint part 300 and the second joint part 400, and the clamping part 600 is firmly connected with the first joint part 300 and the second joint part 400 through the clamping part 630 above the clamping part 600 and the first limiting part 340 and the second limiting part 440.

[0145] In some embodiments of the present application, referring to Figures 5-7 As shown in the figure, the indoor water pipe at least includes a first indoor water pipe 210, and a first functional element 230 is arranged on the first indoor water pipe 210, and the first functional element 230 includes a circulating pump and a filtering part arranged on the first indoor water pipe 210.

[0146] The first indoor water pipe 210 includes a first interface part and a second interface part, which are connected with the inlet of the plate heat exchanger and the outlet of the heat exchange coil 911 in the water tank 910 through an outdoor connecting pipeline.

[0147] The indoor water pipe includes a second indoor water pipe 220, and a second functional element 240 is arranged on the second indoor water pipe 220, and the second functional element 240 includes an electric heating part and a water flow part.

[0148] When assembled, the electric heating part is assembled to the box body 100 through an electric heating support.

[0149] The second indoor water pipe 220 includes a third interface part and a fourth interface part, which are connected with the outlet of the plate heat exchanger and the inlet of the heat exchange coil 911 in the water tank 910 through a connecting pipeline.

[0150] When the heat pump unit operates, the water flow in the heat exchange coil 911 of the water tank 910 is filtered by the filtering part and then driven by the circulating pump to flow to the plate heat exchanger to exchange heat with the refrigerant side heat exchange pipe, and after the heat exchange is completed, the water flow flows out from the outlet of the plate heat exchanger and enters the heat exchange coil 911 of the water tank 910, and the water flow continuously circulates in sequence.

[0151] In some embodiments of the present application, referring to Figures 5-7 As shown in the figure, the indoor water pipe assembly includes a connecting water pipe connected to the first indoor water pipe 210 or the second indoor water pipe 220, and an expansion water tank 950 is connected to the end of the connecting water pipe, and the expansion water tank 950 is fixed to the inside of the box body 100 and is arranged opposite to the electric heating part 960.

[0152] After the water flow exchanges heat in the first indoor water pipe 210 and the second indoor water pipe 220, thermal expansion and contraction may occur, and the connecting water pipe can be used to guide the excess water to the expansion water tank 950 or supplement the first indoor water pipe 210 or the second indoor water pipe 220 through the expansion water tank 950.

[0153] In some embodiments of the present application, an overflow pipe is connected at the electric heating component 960, which extends to the bottom of the cabinet 100 to overflow outside when the pressure inside the electric heating component 960 is too high.

[0154] In some embodiments of the present application, referring to Figures 5-7 As shown, the first indoor water pipe 210 includes a plurality of first water pipe segments 211, and a first joint portion 212 is arranged on the first water pipe segment 211 connected with the first functional element 230, and the sealing and locking assembly is arranged between the first joint portion 212 and the first functional element 230.

[0155] By connecting the sealing and locking assembly between the first joint portion 212 of the first water pipe segment 211 connected with the first functional element 230 and the first functional element 230, the first water pipe segment 211 can be conveniently and quickly disassembled, maintained or installed regardless of the position, and the sealing and locking assembly for connecting the first functional element 230 and the first water pipe segment 211 does not need to reserve a large installation and disassembly space, thereby reducing the occupied space of the first indoor water pipe 210.

[0156] In some embodiments of the present application, referring to Figures 5-7 As shown, the second water pipe includes a plurality of second water pipe segments 221, and a second joint portion 222 is arranged on the second water pipe segment 221 connected with the second functional element 240, and the sealing and locking assembly is arranged at the connection between the second joint portion 222 and the second functional element 240.

[0157] By connecting the sealing and locking assembly between the second joint portion 222 of the second water pipe segment 221 connected with the second functional element 240 and the second functional element 240, the second water pipe segment 221 can be conveniently and quickly disassembled, maintained or installed regardless of the position, and the sealing and locking assembly for connecting the second functional element 240 and the second water pipe segment 221 does not need to reserve a large installation and disassembly space, thereby reducing the occupied space of the second indoor water pipe 220.

[0158] In some embodiments of the present application, the first indoor water pipe 210 is arranged in the cabinet 100 in a bent manner, and an installation space 213 is defined inside, and the second indoor water pipe 220 is arranged in a bent manner and at least partially arranged at the installation space 213.

[0159] Since the connection position of the first indoor water pipe 210 and the first functional element 230 is connected through the sealing locking assembly, the connection position of the second indoor water pipe 220 and the second functional element 240 is also connected through the sealing locking assembly, so that the overall indoor water pipe does not need to reserve a large space during installation and disassembly, so that the second indoor water pipe part can be arranged in the installation space 213 defined inside the first indoor water pipe 210 to realize the compact arrangement of the first indoor water pipe 210 and the second indoor water pipe 220, and the overall space occupied by the indoor pipe assembly is reduced.

[0160] In some embodiments of the present application, referring to Figures 5-7 As shown in the figure, the indoor unit of the heat pump comprises a water receiving component 700 arranged at the bottom position of the box body 100 for receiving the condensed water on the indoor water pipe.

[0161] The water receiving component 700 is a water receiving tray, which forms a water receiving cavity inside, and is made of sheet metal and locked and fixed on the inner wall of the box body 100.

[0162] When the indoor water pipe has water flow circulating therein, because there is a temperature difference between the water temperature inside the indoor water pipe and the water temperature outside, condensed water may be formed on the indoor water pipe. The water receiving component 700 arranged at the bottom of the box body 100 can receive the condensed water on the indoor water pipe, so as to avoid the condensed water from dropping into the user's home.

[0163] In some embodiments of the present application, the indoor water pipe has a joint section arranged at the bottom position of the box body 100 for facilitating connection with the external pipeline.

[0164] An interface part for connecting with the external water pipe is arranged on the joint section. In order to ensure the stability of the joint section, a water pipe fixing assembly is correspondingly arranged on the joint section to avoid vibration and shaking of the joint section of the indoor water pipe used for the joint.

[0165] In some embodiments of the present application, referring to Figures 5-7 As shown in the figure, the water pipe fixing assembly comprises a fixing component 810 fixed on the box body 100 and inclined to the water receiving component 700, and a bayonet part 811 is formed above the fixing component 810.

[0166] The bayonet part 811 is a bayonet, and the fixing component 810 is inclined to the water receiving component 700, so that when the fixing component 810 receives the condensed water, the condensed water can be guided into the water receiving component 700 and discharged through the water receiving component 700.

[0167] In some embodiments of the present application, the water pipe fixing assembly comprises a buffer positioning member 820 sleeved on the joint section of the indoor water pipe, a neck part 821 is formed above the buffer positioning member 820, and the neck part 821 is clamped in the bayonet part 811.

[0168] The buffer positioning member 820 is connected with the joint segment. The necked portion 821 of the buffer positioning member 820 is clamped and matched with the bayonet portion 811 of the fixed component 810, so that the positioning and fixing of the joint segment are realized.

[0169] In some embodiments of the present application, the buffer positioning member 820 is a buffer positioning foam which is a cylindrical body and is hollow inside and can be sleeved on the joint segment.

[0170] The outer diameter of the necked portion 821 formed above the buffer positioning member 820 is smaller than the outer diameter of the cylindrical body, so that when the buffer positioning member 820 is clamped in the bayonet portion 811, the upper segment and the lower segment of the cylindrical body are respectively limited in position at the top and bottom positions of the fixed component 810.

[0171] By wrapping the buffer positioning member 820 on the joint segment, instead of clamping and matching the indoor water pipe with the bayonet portion 811, the problem that the indoor water pipe is directly matched with the bayonet portion 811 and is damaged is avoided.

[0172] The buffer positioning member 820 is clamped and matched with the bayonet portion 811, so that the positioning and fixing of the indoor water pipe are realized.

[0173] The buffer positioning member 820 is clamped in the bayonet portion 811 through the necked portion 821. When the condensed water slides along the indoor water pipe, the condensed water will flow to the fixed component 810 along the part of the buffer positioning member 820 above the bayonet portion 811, so that the condensed water is guided.

[0174] In some embodiments of the present application, the fixed component 810 comprises a first fixed component and a second fixed component, and the first fixed component and the second fixed component are matched and connected.

[0175] The bayonet portion 811 comprises a first bayonet formed on the first fixed component and a second bayonet formed on the second fixed component, and the first bayonet and the second bayonet are matched and connected to form the bayonet portion 811.

[0176] By setting the fixed component 810 in the form of the first fixed component and the second fixed component matched and connected, the first fixed component and the second fixed component can be clamped on the buffer positioning member from both sides during assembly, so that the installation and fixing of the buffer positioning member 820 are facilitated.

[0177] In some embodiments of the present application, the indoor pipe assembly comprises a plurality of joint segments, and the plurality of joint segments are arranged in sequence along the length direction of the fixed component 810. The buffer positioning member 820 is sleeved on each joint segment. Correspondingly, a plurality of bayonet portions 811 are arranged on the fixed component 810, and the plurality of joint segments are clamped in the plurality of bayonet portions 811 through the plurality of buffer positioning members 820, so that the plurality of joint segments are fixed.

[0178] In some embodiments of the present application, two joint segments are arranged on the first indoor water pipe 210, and two joint segments are arranged on the second indoor water pipe 220. The two joint segments of the first indoor water pipe 210 can be respectively clamped in the two clamping portions 811 at the two ends of the fixed portion 810, and the two joint segments of the second indoor water pipe 220 are clamped in the two clamping portions 811 at the middle position.

[0179] In some embodiments of the present application, referring to Figure 10 As shown in the figure, a heat pump indoor unit is provided, comprising:

[0180] a box body 100, an accommodation space is formed inside the box body 100;

[0181] an indoor pipe assembly arranged in the accommodation space, comprising an indoor water pipe and a functional element connected to the indoor water pipe;

[0182] a sealing and locking assembly arranged at the joint position of the indoor water pipe and the functional element, comprising:

[0183] a first joint piece 300 assembled on the indoor water pipe;

[0184] a second joint piece 400 assembled on the functional element, which is in sealing connection with the first joint piece 300;

[0185] a clamping component 600 for locking or unlocking the first joint piece 300 and the second joint piece 400.

[0186] When disassembled, the clamping component 600 can be separated from the first joint piece 300 and the second joint piece 400 along a first direction, and the first joint piece 300 and the second joint piece 400 can be relatively moved along a second direction to achieve separation.

[0187] Wherein, the first direction and the second direction are perpendicular or intersected.

[0188] The above embodiments have the following advantages and effects:

[0189] By arranging the connection structure of the first joint piece 300, the second joint piece 400 and the clamping component 600 at the joint position of the indoor water pipe and the functional element inside the heat pump indoor unit, when the indoor water pipe is disassembled and repaired, only the clamping component 600 needs to be moved relative to the first joint piece 300 and the second joint piece 400, and then the first joint piece 300 and the second joint piece 400 are relatively moved to complete the disassembly. When disassembled, the disassembly of the above three components only needs to move a short distance to achieve, so that the indoor water pipe does not need to be arranged in a large space in advance, and can be arranged compactly, and the installation and disassembly are more convenient and fast.

[0190] A heat pump unit, characterized by comprising a heat pump indoor unit;

[0191] A heat pump outdoor unit, comprising a plate heat exchanger;

[0192] And a water tank, a heat exchange coil is arranged inside the water tank, the heat exchange coil is connected with the plate heat exchanger and the heat pump indoor unit through a connecting pipeline assembly to form a water circulation loop.

[0193] Part of the connecting pipeline assembly 930 is built in the heat pump indoor unit to form the indoor pipeline assembly.

[0194] In the description of the above embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0195] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A heat pump indoor unit, characterized by comprising: The heat pump indoor unit comprises: a box body, an accommodation space being formed inside the box body; an indoor pipe assembly arranged in the accommodation space, comprising an indoor water pipe and a functional element connected to the indoor water pipe; a sealing and locking assembly arranged at a joint position of the indoor water pipe and the functional element, comprising: a first joint member assembled on the indoor water pipe; a second joint member assembled on the functional element, which is insertedly fitted with the first joint member, and a sealing member is arranged at a fitting position of the second joint member and the first joint member; a clamping member clamped on the first joint member and the second joint member to keep the first joint member and the second joint member locked.

2. The heat pump indoor unit according to claim 1, wherein the first joint member comprises: a joint body portion, a first insertion portion being formed in the joint body portion for inserting the indoor water pipe; a first stop portion formed at an end of the first insertion portion for stopping and limiting the indoor water pipe; the second joint member comprises: a second insertion portion insertedly fitted with the joint body portion; a second stop portion formed at an end of the second insertion portion for stopping and limiting the first joint member; a connecting portion for being insertedly fitted with the functional element.

3. The heat pump indoor unit according to claim 2, wherein a first limiting portion is formed on an outer side of the joint body portion; a second limiting portion is formed at an end of the second insertion portion of the second joint member; wherein when the first joint member and the second joint member are insertedly fitted in place, the second limiting portion abuts against the first limiting portion.

4. The heat pump indoor unit according to claim 2, characterized by the sealing member is interference-fitted between an outer wall of the joint body portion and an inner wall of the second insertion portion.

5. The heat pump indoor unit according to claim 1, wherein the clamping member is formed with: a clamping space; a notch portion capable of deforming the clamping member, the notch portion being in communication with the clamping space; a clamping portion for clamping on the first limiting portion and the second limiting portion to lock the first joint member and the second joint member.

6. The heat pump indoor unit according to claim 1, wherein the indoor water pipe comprises a first indoor water pipe, a first functional element being arranged on the first indoor water pipe, the first indoor water pipe comprising a plurality of first water pipe segments, a first joint portion being arranged on a first water pipe segment connected to the first functional element, and the sealing and locking assembly being arranged between the first joint portion and the first functional element.

7. The heat pump indoor unit according to claim 6, wherein the indoor water pipe comprises a second indoor water pipe, a second functional element being arranged on the second indoor water pipe, the second indoor water pipe comprising a plurality of second water pipe segments, a second joint portion being arranged on a second water pipe segment connected to the second functional element, and the sealing and locking assembly being arranged at a connection position of the second joint portion and the second functional element.

8. The heat pump indoor unit according to claim 7, wherein 9. The heat pump indoor unit according to claim 1, characterized by, the first indoor water pipe is arranged in a bent manner in the box body, and an installation space is defined inside the first indoor water pipe, and the second indoor water pipe is arranged in a bent manner and at least partially arranged at the installation space. A water receiving part is arranged at the bottom of the box body to receive condensed water from the indoor water pipe; The indoor water pipe has a joint section connected with the external pipe; A water pipe fixing assembly is arranged to fix the joint section, comprising: A fixing part is fixed on the box body and is inclined to the water receiving part, and a socket part is formed above the fixing part; A buffer positioning part is sleeved on the joint section, and a neck part is formed above the buffer positioning part, and the neck part is clamped in the socket part.

10. A heat pump unit, characterized by The heat pump indoor unit comprises the heat pump indoor unit according to any one of claims 1-9; The heat pump outdoor unit comprises a plate heat exchanger; And a water tank, a heat exchange coil is arranged in the water tank, and the heat exchange coil is connected with the plate heat exchanger and the heat pump indoor unit through a connecting pipe assembly to form a water circulation loop; Part of the connecting pipe assembly is arranged in the heat pump indoor unit to form the indoor pipe assembly.

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