Heat pump water heater and machine head assembly thereof

Abstract

The utility model provides a heat pump water heater and a machine head assembly thereof. The machine head assembly comprises a shell; the bent heat exchanger is vertically arranged in the shell; the two first supporting pieces are vertically arranged in the shell, and the two ends, located in the circumferential direction of the shell, of the heat exchanger correspond to the two first supporting pieces in a one-to-one mode and are sealed through sealing pieces; and the fan box assembly is vertically arranged in the shell and corresponds to the concave side of the heat exchanger, and the two ends, located in the circumferential direction of the shell, of the fan box assembly are in one-to-one corresponding sealing fit with the two first supporting pieces. According to the scheme, sealing can be stably achieved between the end of the heat exchanger and the first supporting piece, and sealing can be stably achieved between the end of the fan box assembly and the first supporting piece.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heat pump equipment, in particular to a heat pump water heater and a head assembly thereof. BACKGROUND

[0002] The heat pump water heater comprises a water receiving tray, an annular side wall, a cover body, a U-shaped or C-shaped heat exchanger and a fan box assembly. The water receiving tray, the annular side wall and the cover body are assembled together. The heat exchanger and the fan box assembly are both fixed on the water receiving tray, and the two ends of the heat exchanger located in the circumferential direction of the annular side wall are in one-to-one sealed connection with the two ends of the fan box assembly located in the circumferential direction of the annular side wall. The annular side wall is provided with a first air inlet and a second air inlet, the first air inlet is opposite to the convex side of the heat exchanger, the concave side of the heat exchanger faces the fan box assembly, and the second air inlet is opposite to the side of the fan box assembly facing away from the heat exchanger.

[0003] Due to the large fluctuation of the opening size of the U-shaped or C-shaped heat exchanger, the assembly position of the fan box assembly and the water receiving tray is prone to misalignment, which causes the heat exchanger and the fan box assembly to be difficult to assemble and connect or unable to assemble and connect, that is, the two ends of the heat exchanger located in the circumferential direction of the annular side wall and the two ends of the fan box assembly located in the circumferential direction of the annular side wall cannot stably realize sealing. CONTENT OF THE UTILITY MODEL

[0004] The head assembly of the heat pump water heater provided by the embodiment of the present application comprises a shell, a bent heat exchanger standing in the shell, two first support members standing in the shell, the two ends of the heat exchanger located in the circumferential direction of the shell corresponding to the two first support members and being sealed by a sealing member, and a fan box assembly standing in the shell and corresponding to the concave side of the heat exchanger, and the two ends of the fan box assembly located in the circumferential direction of the shell are in one-to-one sealed connection with the two first support members.

[0005] In some exemplary embodiments, the peripheral wall of the shell is provided with a first air inlet and a second air inlet, the first air inlet and the second air inlet are sequentially arranged in the circumferential direction of the shell, the convex side of the heat exchanger is correspondingly arranged with the first air inlet, and the side of the fan box assembly facing away from the heat exchanger is correspondingly arranged with the second air inlet; wherein a first air passing area is formed between the heat exchanger and the fan box assembly, a second air passing area is formed between the fan box assembly and the second air inlet, and the fan box assembly is arranged to form an air beam flowing from the first air inlet to the second air inlet through the heat exchanger, the first air passing area, the fan box assembly and the second air passing area in the shell.

[0006] In some example embodiments, the head assembly further comprises a mounting seat arranged in the shell and above the heat exchanger and the two first supports, the mounting seat, the heat exchanger, the two first supports, the fan box assembly and the bottom wall of the shell together enclosing the first air passing region, and the outer end surface of the fan box assembly and the second air outlet towards the interior of the shell together enclosing the second air passing region.

[0007] In some example embodiments, the upper end of each first support is fixedly connected to the mounting seat, and the lower end is fixedly connected to the bottom wall of the shell, the upper end of the heat exchanger is sealingly matched with the mounting seat, and the lower end is supported on the bottom wall of the shell, and the upper end of the fan box assembly is sealingly matched with the mounting seat.

[0008] In some example embodiments, the heat exchanger is provided with a folded edge at each of the two ends in the circumferential direction of the shell, the two folded edges correspond to the two first supports one by one, and the sealing member is arranged between the folded edge and the first support.

[0009] In some example embodiments, the sealing member is a sponge strip.

[0010] In some example embodiments, the folded edge and the edge plate of the heat exchanger are in an integral structure.

[0011] In some example embodiments, the folded edge and the edge plate of the heat exchanger are in a split structure.

[0012] In some example embodiments, the fan box assembly comprises a fan box vertically arranged in the shell and corresponding to the recessed side of the heat exchanger, and the two ends of the fan box in the circumferential direction of the shell are sealingly connected to the two first supports one by one, and the fan box has a third air outlet; and a fan and a wind guide ring arranged at the third air outlet.

[0013] In some example embodiments, the shell comprises a water pan on which the heat exchanger, the two first supports and the fan box assembly are vertically arranged; an arc-shaped first side wall in which the first air outlet is located; an arc-shaped second side wall in which the second air outlet is located, and the two ends of the second side wall in the circumferential direction of the shell are connected to the two ends of the first side wall in the circumferential direction of the shell one by one; and a cover body covering the upper part of the area enclosed by the first side wall and the second side wall.

[0014] In some example embodiments, the shell further comprises an air outlet mesh cover arranged at the second air outlet.

[0015] The application also provides a heat pump water heater comprising the head assembly of the heat pump water heater according to any one of the above embodiments.

[0016] The technical scheme provided by the embodiment of the application is that two first supporting members are vertically fixed in the shell, the heat exchanger is vertically fixed in the shell, and the two ends of the heat exchanger in the circumferential direction of the shell correspond to the two first supporting members one by one and are sealed by the sealing member. Since the sealing member can eliminate the influence of the opening size fluctuation of the heat exchanger on the sealing between the end of the heat exchanger and the first supporting member, the sealing between the end of the heat exchanger and the first supporting member can be stably realized. Then, the fan box assembly is vertically fixed in the shell, and the two ends of the fan box assembly in the circumferential direction of the shell correspond to the two first supporting members one by one and are sealed. Since the installation position of the first supporting member in the shell is unique, the sealing between the two ends of the fan box assembly in the circumferential direction of the shell and the two first supporting members can be stably realized.

[0017] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the principles of the present application, and are not intended to limit the present application.

[0019] Figure 1 An exploded structural schematic view of a head assembly provided for some embodiments of the present application is shown in FIG.

[0020] Figure 2 An exploded structural schematic view of a head assembly provided for some embodiments of the present application is shown in FIG. Figure 1 A structural schematic view of a structure after assembly of a water receiving tray, a heat exchanger, a first supporting member and a second supporting member is shown in FIG.

[0021] Figure 3 A structural schematic view of a structure after assembly of a fan box assembly in FIG. Figure 1 A structural schematic view of a structure after assembly of a fan box assembly in FIG.

[0022] Figure 4 A structural schematic view of a structure after assembly of a fan box assembly in FIG. Figure 1 A front structural cross-sectional schematic view of the head assembly shown in FIG. is shown in FIG.

[0023] Figure 5 A front structural cross-sectional schematic view of the head assembly shown in FIG. is shown in FIG. Figure 4 A D-D cross-sectional structural schematic view of the structure shown in FIG.

[0024] Figure 6 An enlarged structural schematic view of part B in FIG. Figure 5 An enlarged structural schematic view of part B in FIG.

[0025] Figure 7 Fig. 1 is a schematic structural view of a heat pump water heater according to an embodiment of the present application; Figure 1 Fig. 2 is a schematic structural view of a head assembly according to an embodiment of the present application;

[0026] Figure 8 Fig. 3 is a schematic structural view of a C-C section of the head assembly shown in Fig. 2; Figure 7 Fig. 4 is a schematic structural view of a C-C section of the structure shown in Fig. 2;

[0027] Figure 9 Fig. 5 is a schematic structural view of an enlarged structure of part A in Fig. 4. Figure 8 Fig. 6 is a schematic structural view of an enlarged structure of part B in Fig. 4.

[0028] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0029] 110 water pan, 120 first side wall, 121 first air inlet, 130 second side wall, 131 second air inlet, 140 cover body, 150 first air passing area, 160 second air passing area, 170 air outlet mesh cover, 200 heat exchanger, 210 folded edge, 300 first support member, 400 fan box assembly, 410 fan box, 420 air guide ring, 430 axial flow fan wheel, 440 motor, 450 motor support, 500 mounting seat, 600 sealing member, 700 second support member. DETAILED DESCRIPTION

[0030] To make the purpose, technical scheme and advantages of the present application clearer, the embodiments of the present application will be described in detail below with reference to the drawings. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other arbitrarily without conflict.

[0031] The head assembly of the heat pump water heater provided by the embodiments of the present application is as shown in Fig. 2. Figures 1 to 9As shown, it includes: a shell; a bent heat exchanger 200, which is upright in the shell; two first support members 300, which are upright in the shell, and the two ends of the heat exchanger 200 located in the circumferential direction of the shell correspond one-to-one with the two first support members 300, and are sealed by a seal 600; and a fan box assembly 400, which is upright in the shell and is arranged corresponding to the recessed side of the heat exchanger 200, and the two ends of the fan box assembly 400 located in the circumferential direction of the shell correspond one-to-one with the two first support members 300. First, the two first support members 300 are fixed upright in the shell, and then the heat exchanger 200 is fixed upright in the shell, and the two ends of the heat exchanger 200 located in the circumferential direction of the shell correspond one-to-one with the two first support members 300, and are sealed by the seal 600. Since the seal 600 can eliminate the influence of the opening size fluctuation of the heat exchanger 200 on the sealing between the end of the heat exchanger 200 and the first support member 300, the end of the heat exchanger 200 and the first support member 300 can be stably sealed; then, the fan box assembly 400 is fixed upright in the shell, and the two ends of the fan box assembly 400 located in the circumferential direction of the shell correspond one-to-one with the two first support members 300. Since the installation position of the first support member 300 in the shell is unique, the two ends of the fan box assembly 400 located in the circumferential direction of the shell can be stably sealed with the two first support members 300.

[0032] The heat exchanger 200 may be U-shaped, or C-shaped, or V-shaped, etc. All of the above can achieve the purpose of this application, and their purpose does not deviate from the design concept of the present invention. They will not be repeated here, and all should fall within the scope of protection of this application.

[0033] In some embodiments, as Figure 1 、 Figure 4 and Figure 7 As shown, the circumferential wall of the housing is provided with a first air port 121 and a second air port 131. The first air port 121 and the second air port 131 are arranged sequentially along the circumference of the housing. The raised side of the heat exchanger 200 corresponds to the first air port 121, and the side of the fan box assembly 400 facing away from the heat exchanger 200 corresponds to the second air port 131. A first air flow area 150 is formed between the heat exchanger 200 and the fan box assembly 400, and a second air flow area 160 is formed between the fan box assembly 400 and the second air port 131. As the fan box assembly 400 operates, an air stream is formed within the housing, flowing from the first air port 121 through the heat exchanger 200, the first air flow area 150, the fan box assembly 400, and the second air flow area 160, toward the second air port 131.

[0034] In some examples, such as Figure 1 、 Figure 4 and Figure 7As shown, the nose assembly further comprises a mounting seat 500, which is arranged in the housing and above the heat exchanger 200 and the two first support members 300. The mounting seat 500, the heat exchanger 200, the two first support members 300, the fan box assembly 400 and the bottom wall of the housing jointly enclose a first air passing area 150. The fan box assembly 400 and the outer end face of the second air outlet 131 towards the inside of the housing abut to jointly enclose a second air passing area 160.

[0035] As shown in Figure 1 , Figure 4 and Figure 7 , the upper end of each first support member 300 is fixedly connected with the mounting seat 500, and the lower end is fixedly connected with the bottom wall of the housing. The nose assembly further comprises a second support member 700, which is arranged between the two first support members 300 and close to the heat exchanger 200. The upper end of the second support member 700 is fixedly connected with the mounting seat 500, and the lower end is fixedly connected with the bottom wall of the housing. The upper end of the heat exchanger 200 is sealingly connected with the mounting seat 500 (for example, the upper end of the heat exchanger 200 is sealingly connected with the mounting seat 500 through a sponge strip; or the upper end of the heat exchanger 200 is sealingly connected with the mounting seat 500 through a small gap, etc.), and the lower end is abutted and supported on the bottom wall of the housing. The upper end of the fan box assembly 400 is sealingly connected with the mounting seat 500. In this scheme, the mounting seat 500 is supported by the second support member 700 and the two first support members 300, which can avoid the mounting seat 500 from pressing and impacting the heat exchanger 200 during transportation, thereby preventing the heat exchanger 200 from being damaged.

[0036] As shown in Figure 1 , Figure 4 , Figure 5 , the second support member 700 can be one; or the second support member 700 can be multiple, which can be two or three or four, etc. The above can achieve the purpose of the present application, and the design idea is not deviated from the design idea of the present application, which will not be repeated here and should be within the protection scope of the present application.

[0037] Furthermore, as shown in Figure 1 , Figure 5 , Figure 6 , Figure 8 and Figure 9As shown, the heat exchanger 200 is provided with a folded edge 210 at each end in the circumferential direction of the shell, and the two folded edges 210 are located between and correspond to the two first support members 300. The sealing member 600 is arranged between the corresponding folded edge 210 and the first support member 300 to seal the gap between the corresponding folded edge 210 and the first support member 300. The sealing member 600 can be a sponge strip, which has a certain elastic deformation capacity in the thickness direction, and the elastic deformation of the sponge strip in the thickness direction can compensate for the change in the gap between the corresponding folded edge 210 and the first support member 300 (caused by the fluctuation of the opening size of the heat exchanger 200), thereby ensuring that the corresponding folded edge 210 and the first support member 300 are stably sealed.

[0038] The folded edge 210 can be in an integral structure with the edge plate of the heat exchanger 200, or can be in a split structure with the edge plate of the heat exchanger 200, etc. The above can achieve the purpose of the present application, and the design idea is not deviated from the design idea of the present application, which will not be described here again, and should be within the protection scope of the present application.

[0039] In some examples, as shown in Figure 1 , Figures 3 to 5 , Figure 7 and Figure 8 , the fan box assembly 400 includes: a fan box 410, which is vertically arranged in the shell and between the heat exchanger 200 and the second air port 131, and the two ends of the fan box 410 in the circumferential direction of the shell are sealedly connected to the two first support members 300 in a one-to-one correspondence, and the fan box 410 has a third air port; a fan and a wind guide ring 420, which are arranged at the third air port. One end of the wind guide ring 420 facing the second air port 131 is sealingly matched with the outer end face of the second air port 131 facing the interior of the shell, so as to abut against the outer end face of the second air port 131 to form a second air passing area 160. The fan operates, and the wind beam in the first air passing area 150 flows to the second air port 131 through the fan box 410 and the second air passing area 160 in sequence. The fan includes an axial flow fan wheel 430, a motor 440, and a motor support 450.

[0040] The two ends of the fan box 410 in the circumferential direction of the shell can be sealingly connected to the two first support members 300 in a one-to-one correspondence by screwing, or can be sealingly connected to the two first support members 300 in a one-to-one correspondence by clamping, etc. The above can achieve the purpose of the present application, and the design idea is not deviated from the design idea of the present application, which will not be described here again, and should be within the protection scope of the present application.

[0041] In some examples, as shown in Figure 1 , Figure 4 andFigure 7 As shown in the drawings, the shell comprises: a water pan 110, the heat exchanger 200, two first supports 300 and the fan box assembly 400 are vertically arranged on the water pan 110; an arc-shaped first side wall 120, the first air inlet 121 is located on the first side wall 120 and opposite to the convex side of the heat exchanger 200, the concave side of the heat exchanger 200 faces the fan box assembly 400; an arc-shaped second side wall 130, the concave side of the first side wall 120 is opposite to the concave side of the second side wall 130, the two ends of the second side wall 130 in the circumferential direction of the shell are connected to the two ends of the first side wall 120 in the circumferential direction of the shell one by one, the second air inlet 131 is located on the second side wall 130 and opposite to the side of the fan box assembly 400 which faces away from the heat exchanger 200; and a cover 140, the cover 140 is covered on the upper part of the area surrounded by the first side wall 120 and the second side wall 130.

[0042] As shown in the drawings, Figure 1 , Figure 7 and Figure 8 As shown in the drawings, the shell further comprises: an air outlet mesh cover 170, the air outlet mesh cover 170 is arranged at the second air inlet 131, and the wind beam from the air guide ring 420 to the second air inlet 131 is blown out from the air outlet mesh cover 170.

[0043] The heat pump water heater (not shown in the drawings) provided by the embodiment of the present application comprises the head assembly of the heat pump water heater according to any one of the above embodiments.

[0044] The heat pump water heater has all the advantages of the head assembly of the heat pump water heater provided by any one of the above embodiments, and will not be described here.

[0045] In summary, the technical scheme provided by the embodiment of the present application first vertically arranges and fixes two first supports in the shell, then vertically arranges and fixes the heat exchanger in the shell, and makes the two ends of the heat exchanger in the circumferential direction of the shell correspond to the two first supports one by one and sealed by the sealing element, so that the sealing between the end of the heat exchanger and the first support can be stably realized due to the fact that the sealing element can eliminate the influence of the opening size fluctuation of the heat exchanger on the sealing between the end of the heat exchanger and the first support; then, the fan box assembly is vertically arranged and fixed in the shell, and the two ends of the fan box assembly in the circumferential direction of the shell are sealed and matched with the two first supports one by one, so that the sealing between the two ends of the fan box assembly in the circumferential direction of the shell and the two first supports can be stably realized due to the fact that the installation position of the first support in the shell is unique.

[0046] In the description of the utility model, it needs to be explained that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "edge", "opposite", "four corners", "periphery", "mouth" structure" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the structure indicated has a specific orientation, is constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0047] In the description of the utility model embodiment, unless otherwise explicitly specified and limited, the terms "connection", "direct connection", "indirect connection", "fixed connection", "installation", "assembly" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; the terms "installation", "connection", "fixed connection" can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0048] Although the embodiments disclosed by the utility model are as above, the content described is only the embodiment adopted for the convenience of understanding the utility model, and is not used to limit the utility model. Any person skilled in the art of the utility model can make any modification and change in the implementation form and details without departing from the spirit and scope of the utility model disclosed, but the patent protection scope of the utility model still needs to be defined by the appended claims.

Claims

1. A head assembly for a heat pump water heater, the head assembly comprising: The heat pump water heater comprises: a housing; a bent heat exchanger vertically arranged in the housing; two first supporting members vertically arranged in the housing, and the two ends of the heat exchanger corresponding to the two first supporting members are sealed by a sealing member; and a fan box assembly vertically arranged in the housing and corresponding to the concave side of the heat exchanger, and the two ends of the fan box assembly corresponding to the two first supporting members are sealed.

2. The nose assembly of claim 1, wherein, The peripheral wall of the housing is provided with a first air inlet and a second air inlet, and the first air inlet and the second air inlet are sequentially arranged in the peripheral direction of the housing. The convex side of the heat exchanger corresponds to the first air inlet, and the side of the fan box assembly away from the heat exchanger corresponds to the second air inlet. The first air flow area is formed between the heat exchanger and the fan box assembly, and the second air flow area is formed between the fan box assembly and the second air inlet. The fan box assembly is arranged to form an air flow beam flowing from the first air inlet to the second air inlet through the heat exchanger, the first air flow area, the fan box assembly and the second air flow area in the housing.

3. The nose assembly of claim 2, wherein, Further comprising: a mounting seat arranged in the housing and above the heat exchanger and the two first supporting members. The mounting seat, the heat exchanger, the two first supporting members, the fan box assembly and the bottom wall of the housing form the first air flow area, and the outer end surface of the fan box assembly and the second air inlet facing the inside of the housing form the second air flow area.

4. The nose assembly of claim 3, wherein, The upper end of each first supporting member is fixedly connected to the mounting seat, and the lower end is fixedly connected to the bottom wall of the housing. The upper end of the heat exchanger is sealingly connected to the mounting seat, and the lower end is supported on the bottom wall of the housing. The upper end of the fan box assembly is sealingly connected to the mounting seat.

5. The handpiece assembly of any one of claims 1 to 4, wherein, The two ends of the heat exchanger in the peripheral direction of the housing are provided with two folded edges, and the two folded edges correspond to the two first supporting members. The sealing member is arranged between the folded edges and the first supporting members.

6. The nose assembly of claim 5, wherein, The sealing member is a sponge strip.

7. The handpiece assembly of any one of claims 1 to 4, wherein, The fan box assembly comprises: a fan box vertically arranged in the housing and corresponding to the concave side of the heat exchanger, and the two ends of the fan box in the peripheral direction of the housing are sealingly connected to the two first supporting members. The fan box has a third air inlet. A fan and a wind guide ring are arranged at the third air inlet.

8. The nose assembly of any one of claims 2 to 4, wherein, The housing comprises: a water pan, the heat exchanger, the two first supporting members and the fan box assembly are vertically arranged on the water pan; an arc-shaped first side wall, the first air inlet is located on the first side wall; an arc-shaped second side wall, the two ends of the second side wall in the peripheral direction of the housing correspond to the two ends of the first side wall in the peripheral direction of the housing, and the second air inlet is located on the second side wall; and a cover body covering the upper part of the area surrounded by the first side wall and the second side wall.

9. The handpiece assembly of claim 8, wherein, The housing further comprises: an air outlet mesh cover arranged at the second air inlet.

10. A heat pump water heater, characterized by, The machine head assembly of the heat pump water heater comprises any one of claims 1 to 9.

Images