CN111121289A

CN111121289A - Hot water unit

Info

Publication number: CN111121289A
Application number: CN202010053911.6A
Authority: CN
Inventors: 赵西江; 白龙亮; 梁爱云; 丛辉
Original assignee: Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Current assignee: Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-05-08
Anticipated expiration: 2040-01-17
Also published as: CN111121289B

Abstract

The invention discloses a hot water unit, which is a layered structure relative to a unit main body formed by a supporting bottom plate, a first L-shaped supporting piece, a second L-shaped supporting piece and a detachable shell, the layered structure can be arranged at the upper layer or the lower layer of the unit main body and is used for accommodating the sleeve heat exchanger, so that the water heating unit does not increase the occupied space while expanding the functions, particularly when arranged at the lower layer of the unit main body, the first L-shaped supporting piece and the second L-shaped supporting piece play a role in stably supporting the unit main body, when the water heater needs to be maintained, the detachable shell is detached from the front side of the unit main body, so that the internal sleeve heat exchanger can be maintained or replaced, the structure of the sleeve heat exchanger is replaced from the front side of the unit, the maintenance space is not additionally increased, the maintenance of the sleeve heat exchanger is realized without detaching the whole unit, the maintenance difficulty is reduced, and the technical problem that the floor space of a water heater product and the maintenance difficulty are mutually restricted in the prior art is solved.

Description

Hot water unit

Technical Field

The invention relates to the technical field of air source heat pump water heaters, in particular to a water heating unit.

Background

Due to the characteristics of functional requirements of air source heat pump water heater products, generally, a double-pipe heat exchanger is arranged in the air source heat pump water heater, the double-pipe heat exchanger has more damage cases caused by frost cracking of a water pipe and the like in the using process of the products, and the maintainability of the double-pipe heat exchanger is particularly important.

However, due to the influence of factors such as the structure and the size of the double-pipe heat exchanger, the maintenance difficulty of the water heater is higher, and particularly for a side air outlet unit with a smaller unit size, the problem of the maintenance difficulty is more prominent; for example, in an existing water heater product, the casing heat exchanger is manufactured to be L-shaped and surrounds a metal plate around a fan and an electric appliance box, so that the size of the water heater unit is increased, when the casing heat exchanger is maintained and replaced, a maintenance cover in front of the unit, a fan housing, a top cover, a right maintenance cover and the like need to be detached one by one for maintenance, and maintenance difficulty is large due to complex maintenance operation.

In addition, the large-capacity and multifunctional expansion of a small unit becomes a great trend of product development, the function expansion based on the existing product becomes various, the requirement of the product of the water heater is higher and higher along with the development of the market, and the whole floor area of the water heater is required to be reduced under the conditions that the single unit, the multi-module combination and the like are developed for the market demand, the unit and the maintenance space are reduced to become a great demand of the product, but the reduction of the maintenance space further increases the maintenance difficulty of the water heater product.

Disclosure of Invention

Aiming at the technical problem that the floor space and the maintenance difficulty of a water heater product in the prior art are mutually restricted, the invention provides a water heater unit, which is designed into an upper and lower layered structure on the whole structure aiming at a side air outlet water heater unit, expands the functions of the water heater on the premise of not increasing the floor area of the water heater unit, adopts a structure of replacing a casing pipe heat exchanger from the front of the unit, does not additionally increase the maintenance space, does not need to dismantle the whole unit to realize the maintenance of the casing pipe heat exchanger, and reduces the maintenance difficulty.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a water heater unit, comprising: the unit main body comprises a fluorine path of the whole unit, a heat exchanger and a compressor; the double-pipe heat exchanger is connected with the unit main body through a refrigerant pipe; further comprising: a layered structure relative to the unit body, comprising: a support base plate; the first L-shaped supporting piece comprises a first side support and a first rear support which are vertically connected with each other and is fixed on the supporting bottom plate; the first side support is fixed with the first side end of the support bottom plate, and the first rear support is fixed with the rear side end of the support bottom plate; the second L-shaped supporting piece comprises a second side support and a second rear support which are mutually and vertically connected, and is fixed on the supporting bottom plate relative to the first L-shaped supporting piece; the second side support is fixed with the second side end of the support bottom plate, and the second rear support is fixed with the rear side end of the support bottom plate; the first lateral end is opposite to the second lateral end; the detachable shell piece is assembled on the peripheries of the first L-shaped supporting piece and the second L-shaped supporting piece to form an accommodating space, and the double-pipe heat exchanger is arranged in the accommodating space.

Compared with the prior art, the technical scheme of the invention has the following technical effects: in the hot water unit provided by the invention, a supporting bottom plate, a first L-shaped supporting piece, a second L-shaped supporting piece and a detachable shell form a layered structure relative to a unit main body, the layered structure can be arranged at the upper layer or the lower layer of the unit main body and is used for accommodating the sleeve heat exchanger, so that the water heating unit does not increase the occupied space while expanding the functions, particularly when arranged at the lower layer of the unit main body, the first L-shaped supporting piece and the second L-shaped supporting piece play a role in stably supporting the unit main body, when the water heater needs to be maintained, the detachable shell is detached from the front side of the unit main body, so that the internal sleeve heat exchanger can be maintained or replaced, the structure of the sleeve heat exchanger is replaced from the front side of the unit, the maintenance space is not additionally increased, the maintenance of the sleeve heat exchanger is realized without detaching the whole unit, the maintenance difficulty is reduced, and the technical problem that the floor space of a water heater product and the maintenance difficulty are mutually restricted in the prior art is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a whole water heater unit according to an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the layered structure proposed by the present invention;

FIG. 3 is a schematic view of an embodiment of a first anterior support member according to the present invention;

FIG. 4 is a schematic view of an embodiment of a second anterior support member according to the present invention;

FIG. 5 is a schematic diagram of the relevant dimensions for maintenance of the hot water unit of the present invention;

fig. 6 is a schematic structural view of a portion of the first L-shaped supporting member or the second L-shaped supporting member according to the present invention.

Reference numerals:

1-a first shell, 2-a second shell, 3-a first front support piece, 31-a first U-shaped frame, 32-a first fixing plate, 4-a second front support accessory, 5-a second front support piece, 51-a second U-shaped frame, 52-a second fixing plate, 6-a second front support accessory, 7-a third shell, 8-a double-pipe heat exchanger, 9-a first L-shaped support piece, 91-a first side support, 92-a first rear support, 10-a second L-shaped support piece, 101-a second side support, 102-a second rear support, 103-a refrigerant pipe connecting position, 104, 105-an operation hole, 11-a unit main body, 12-a support bottom plate, 13-a support upright post and 15-an upper bottom plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1, the water heating unit provided by the invention comprises a unit main body 11, a double-pipe heat exchanger 8, a support bottom plate 12, a first L-shaped support 9, a second L-shaped support 10 and a detachable shell; the double-pipe heat exchanger 8 is connected with the unit main body 11 through a refrigerant pipe; the unit main body 11 comprises a fluorine path, a heat exchanger, a compressor and other parts of the whole unit, and can be realized by using an existing product frame; the layered structure of the water heater unit relative to the unit main body 11 is composed of the supporting bottom plate 12, the first L-shaped supporting piece 9 and the second L-shaped supporting piece 10, the detachable shell piece is assembled on the periphery of the first L-shaped supporting piece 9 and the second L-shaped supporting piece 10 to form an accommodating space, and the sleeve heat exchanger 8 is arranged in the accommodating space.

As shown in fig. 2, the first L-shaped supporting member 9 includes a first side support 91 and a first rear support 92 which are vertically connected to each other and fixed to the supporting base plate 12; wherein, the first side support 91 is fixed with the first side end of the support base plate 12, and the first rear support 92 is fixed with the rear side end of the support base plate 12; the second L-shaped support 10 comprises a second side support 101 and a second rear support 102 which are vertically connected with each other, and is fixed on the support base plate 12 relative to the first L-shaped support 9; wherein, the second side support 101 is fixed with the second side end of the support base plate 12, and the second rear support 102 is fixed with the rear side end of the support base plate 12; the first side end is opposite to the second side end.

The water heater unit further comprises an upper base plate 15 fixed to the upper ends of the first and second L-shaped supporting

members

9 and 10 with respect to the supporting base plate 12.

The layered structure can be arranged on the upper layer of the unit main body 11, and the supporting bottom plate 12 is fixed with the top plate of the unit main body; this layered structure also can set up in the lower floor of unit main part 11, then upper plate 15 is fixed with the bottom plate of unit main part 11, no matter it sets up in upper strata or lower floor, can dismantle the shell through detachable construction and dismantle, when needs maintenance, will dismantle the shell from this layered structure's front end, can maintain its inside double-pipe heat exchanger 8 and other waterways, need not to dismantle other parts such as fan housing, top cap, etc., reduced the dismouting degree of difficulty of maintenance.

The hot water unit according to the present invention will be described in detail below with an embodiment in which the layered structure is disposed on the lower layer.

Layered structure about this embodiment adopts, upper strata adopts current unit main part 11, the lower floor mainly includes double-pipe heat exchanger 8 and other parts, realized hot water unit function demand like this under the unchangeable prerequisite of area to the unit, arrange double-pipe heat exchanger 8 under unit main part 11, unit main part 11 is by first L type support piece 9, second L type support piece 10, first preceding support piece 3, support piece 5 constitutes firm bearing structure before the second, be aided with in order the block connect into first shell 1 that can dismantle the shell, second shell 2 and third shell 7, constitute whole hot water unit with upper unit main part 11.

The first front support 3, as shown in fig. 1 and 3, includes a first U-shaped frame 31 and a first fixing plate 32 fixed to the front side of the first U-shaped frame 31; the open end of the first U-shaped frame 31 is fixed on the support bottom plate 12, so that the bottom end of the first U-shaped frame is abutted against the upper bottom plate 15, and the whole machine set is firmly supported; the first fixing plate 32 is fixedly connected to the upper plate 15.

As shown in fig. 1 and 4, the second front support 5 includes a second U-shaped frame 51 and a second fixing plate 52 fixed to a front side of the second U-shaped frame 51; the two second front auxiliary supporting pieces 4 and 6 respectively fix the second U-shaped frame 51 on the supporting bottom plate 12 from two sides of the opening end of the second U-shaped frame 51, so that the bottom end of the second U-shaped frame is abutted against the upper bottom plate 15, and the whole machine set is firmly supported; the second fixing plate 52 is fixedly connected to the upper plate 15.

In order to realize the stability of the normal operation of the whole unit and the firmness of the frame strength of the unit in a maintenance state, the structural design of the lower layer support simultaneously realizes that the whole unit is supported and the sleeve heat exchanger 8 can be detachably maintained, and the designed first L-shaped supporting piece 9 and the second L-shaped supporting piece can firmly support the unit main body 11 after the sleeve heat exchanger 8 is detached; the two L-shaped supporting pieces are connected with an upper bottom plate 15 through screws, the upper bottom plate 15 and the bottom plate of the unit main body 11 are fixed through upper and lower screws, and are fixed with the side surface of the lower supporting bottom plate 12 through screws and upper and lower screws; a supporting upright column 13 is additionally arranged at the position below the compressor of any one of the two L-shaped supporting pieces, and is connected with an upper bottom plate 15 of the unit main body 11 through screws, and is fixed vertically and horizontally and forwards, and is fixed with side surfaces of the lower supporting bottom plate 12 through screws and is fixed vertically. The first front supporting piece 3 is horizontally screwed with the upper bottom plate 15, and is screwed with the lower bottom plate 12, and forms a U-shaped frame to firmly support the unit main body 11, so that risks of left-right inclination, front-back inclination and the like of the unit can be effectively prevented.

As shown in fig. 1 and 5, the casing heat exchanger 8 can be conveniently taken out by the intermediate distance size after the first L-shaped supporting member 9 and the second L-shaped supporting member 10 are fixed, in this embodiment, after the casing heat exchanger 8 and the fixing screws of the water inlet and the water outlet are removed, the casing heat exchanger 8 is moved to the left side of the machine by a distance L1, and then manually taken out from the front of the machine, and according to the width Lz of the size of the whole machine, the height H and the length L2 of the casing heat exchanger 8 can be designed, so that on the premise that the size Lz of the whole machine and the heat exchange area of the casing heat exchanger meet the requirements of the unit, the height H is appropriately increased, the length L2 is reduced, and L2 is less than L3, and meanwhile, the left side moving distance L1 is less than L4.

In order to conveniently disassemble and take out the double-pipe heat exchanger 8, the first front supporting piece 3 and the second front supporting piece 5 are designed to be conveniently disassembled, the upper end of the first front supporting piece 3 is in screw connection with the upper bottom plate 15, the lower end of the first front supporting piece is in screw connection with the lower supporting bottom plate 12, when the double-pipe heat exchanger 8 needs to be maintained, the connecting screws of the two parts are disassembled, and the first front supporting piece 3 can be disassembled by pushing along the width direction of the unit; the second front support 5 cannot be directly pushed to be detached due to the existence of the bottom plate profiling, the second front support is screwed and fixed by the second front support accessories 4 and 6, and the second front support 5 can be detached by pushing after the second front support accessories 4 and 6 are detached.

The first shell 1, the second shell 2 and the third shell 7 that the block connected into can dismantle the shell in order have reduced the dismantlement of screw, have slided structural design such as silk, improve and dismantle the installation effectiveness.

Because the double-pipe heat exchanger 8 is connected with the unit main body 11 through the refrigerant pipe, after the refrigerant is processed during disassembly, the connection position needs to be subjected to fusion welding disconnection, and in order to ensure that the fusion welding is convenient, as shown in fig. 6, the side surface of the first L-shaped supporting piece 9 or the second L-shaped supporting piece 10 close to the refrigerant pipe connection position 103 and the rear surface are provided with

operation holes

104 and 105, so that fusion welding operation and manual operation can be realized, and the pipe group can be conveniently operated.

From the structural design optimization, the frame connecting structure of the first L-shaped supporting piece 9, the second L-shaped supporting piece 10 and the upper bottom plate 15 is added, the beam in the length direction of the unit is connected with the left and right supporting structures, the first front supporting piece 3 and the second front supporting piece 5 can be omitted, and the

casing appearance piece

1, 2 and 7 of the unit can be detached to directly detach the double-pipe heat exchanger 8.

Under the condition that the unit width Lz is limited, the length dimension L2 of the double-pipe heat exchanger 8 can be taken out by inclining the double-pipe heat exchanger 8 by a certain angle, and then the right water inlet and outlet are taken out together to complete the operation of taking out the double-pipe heat exchanger 8.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A water heating unit comprising:

the unit main body comprises a fluorine path of the whole unit, a heat exchanger and a compressor;

the double-pipe heat exchanger is connected with the unit main body through a refrigerant pipe;

it is characterized by also comprising:

a layered structure relative to the unit body, comprising:

a support base plate;

the first L-shaped supporting piece comprises a first side support and a first rear support which are vertically connected with each other and is fixed on the supporting bottom plate; the first side support is fixed with the first side end of the support bottom plate, and the first rear support is fixed with the rear side end of the support bottom plate;

the second L-shaped supporting piece comprises a second side support and a second rear support which are mutually and vertically connected, and is fixed on the supporting bottom plate relative to the first L-shaped supporting piece; the second side support is fixed with the second side end of the support bottom plate, and the second rear support is fixed with the rear side end of the support bottom plate; the first lateral end is opposite to the second lateral end;

the detachable shell piece is assembled on the peripheries of the first L-shaped supporting piece and the second L-shaped supporting piece to form an accommodating space, and the double-pipe heat exchanger is arranged in the accommodating space.

2. The hot water unit as claimed in claim 1, further comprising:

and the upper bottom plate is fixed at the upper ends of the first L-shaped supporting piece and the second L-shaped supporting piece relative to the supporting bottom plate.

3. The water heating assembly of claim 2, wherein the layered structure is disposed on a lower layer of the assembly body, and the upper base plate is fixed to a base plate of the assembly body.

4. The water heating unit according to claim 2, wherein the layered structure is disposed at an upper layer of the unit body, and the support bottom plate is fixed to a top plate of the unit body.

5. The hot water unit as claimed in claim 3, further comprising:

the first front supporting piece comprises a first U-shaped frame and a first fixing plate fixed on the front side of the first U-shaped frame; the opening end of the first U-shaped frame is fixed on the supporting bottom plate, so that the bottom end of the first U-shaped frame is abutted against the upper bottom plate; the first fixing plate is fixedly connected with the upper bottom plate.

6. The hot water unit as claimed in claim 3, further comprising:

the second front supporting piece comprises a second U-shaped frame and a second fixing plate fixed on the front side of the second U-shaped frame;

the two second front auxiliary supporting pieces are used for fixing the second U-shaped frame on the supporting bottom plate from two sides of the opening end of the second U-shaped frame respectively so that the bottom end of the second U-shaped frame is abutted against the upper bottom plate;

the second fixing plate is fixedly connected with the upper bottom plate.

7. The water heater assembly according to claim 1, wherein the removable housing comprises:

the first shell, the second shell and the third shell are clamped in sequence;

wherein the first housing and the second housing at least surround the front side of the accommodating space after being clamped.

8. The water heater assembly according to claim 1, wherein an operation hole is formed at a position of the first L-shaped supporting member or the second L-shaped supporting member near the connection of the refrigerant pipe.

9. The water heating unit according to claim 1, wherein a support post is provided at a position of the first L-shaped support or the second L-shaped support below the compressor.