CN218269576U - Heat pump water heater - Google Patents

Abstract

The utility model discloses a heat pump water heater, include: a liquid tank section; the heat pump part is arranged at the top of the liquid tank part and comprises a panel, and an opening is formed in the panel; the display assembly comprises a display panel, a display box body, a lampshade and a display panel, the display panel is arranged at the opening, the display box body is arranged at one side, close to the center of the heat pump part, of the display panel, an accommodating cavity is defined between the display box body and the display panel, the lampshade and the display panel are arranged in the accommodating cavity, and the lampshade is located at one side, close to the display panel, of the display panel. According to the utility model discloses a heat pump water heater can reduce display module's cost of manufacture, has reduced heat pump water heater's manufacturing cost.

Description

Heat pump water heater

Technical Field

The utility model belongs to the technical field of the water heater technique and specifically relates to a heat pump water heater is related to.

Background

The working principle of the heat pump water heater is very similar to that of an air conditioner, a small amount of electric energy is adopted to drive a compressor to operate, a high-pressure liquid medium is evaporated into a gaseous state in an evaporator after passing through an expansion valve, a large amount of heat energy is absorbed from air, the gaseous medium is compressed into a high-temperature and high-pressure liquid medium by the compressor, and then the high-temperature and high-pressure liquid medium enters a condenser to release heat so as to heat water. The heat pump water heater has the advantages of energy conservation, convenience, environmental protection and the like.

The heat pump water heater in the related art comprises the display module for displaying relevant parameters of the heat pump water heater, however, the manufacturing cost of the display module of the common heat pump water heater is high, and therefore the production cost of the heat pump water heater is increased. And the structure is complicated, and the production difficulty is great.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a heat pump water heater can reduce the cost of manufacture of display module, has reduced heat pump water heater's manufacturing cost.

According to the utility model discloses heat pump water heater, include: a liquid tank section; the heat pump part is arranged at the top of the liquid tank part and comprises a panel, and an opening is formed in the panel; the display assembly comprises a display panel, a display box body, a lampshade and a display panel, the display panel is arranged at the opening, the display box body is arranged at one side, close to the center of the heat pump part, of the display panel, an accommodating cavity is defined between the display box body and the display panel, the lampshade and the display panel are arranged in the accommodating cavity, and the lampshade is located at one side, close to the display panel, of the display panel.

According to the utility model discloses heat pump water heater, through the cooperation of lamp shade and display panel, display element can have better display effect, is favorable to user's use. In addition, through setting up solitary lamp shade, the simple structure of lamp shade can reduce display module's manufacturing cost to heat pump water heater's manufacturing cost has been reduced.

According to some embodiments of the present invention, a plurality of lamp beads are disposed at intervals on a surface of a side of the display panel facing the lamp cover; be equipped with a plurality of light-directing structure on the lamp shade, every inject in the light-directing structure and follow the thickness direction of display panel link up light-directing structure's light guide slot, it is a plurality of the lamp pearl cooperates respectively in a plurality of light-directing structure the light guide inslot is in order to pass through the light that the lamp pearl sent the light guide slot direction display panel.

According to some embodiments of the utility model, be formed with a plurality of first through-holes that link up on the lamp shade, it is a plurality of light guide structure's one end is respectively with a plurality of the lateral wall of first through-hole links to each other, and is a plurality of light guide structure's other end orientation the direction of lamp pearl extend and with the display panel ends to.

According to some embodiments of the invention, at least one key is provided on a surface of a side of the display panel facing the lamp housing; at least one second through hole which is through is formed in the lampshade, and the free end of the key penetrates through the second through hole.

According to the utility model discloses a some embodiments, show the box body towards one side of display panel is equipped with a plurality of protruding muscle that the interval set up on the surface, and is a plurality of protruding muscle with keeping away from of display panel a side surface of lamp shade ends so that the neighbouring of display panel a side surface of lamp shade with the lamp shade keeps ending.

According to the utility model discloses a some embodiments, the lamp shade with be equipped with at least one on one of them in the display box body and prevent slow-witted arch, the lamp shade with be formed with on another in the display box body with prevent slow-witted arch relative at least one and prevent slow-witted groove.

According to the utility model discloses a some embodiments, the lamp shade with in the display box body be formed with at least one breach on one of them, breach department is equipped with prevent slow-witted arch, the breach with prevent that slow-witted groove constitutes the outlet jointly.

According to some embodiments of the present invention, the display box body is provided with a first surrounding rib extending along a circumferential direction of the display panel, and the first surrounding rib is provided with a groove; the lampshade is provided with a second surrounding rib extending along the circumferential direction of the display panel, the second surrounding rib is provided with a protrusion, the second surrounding rib is located on one side, close to the display panel, of the first surrounding rib, and the protrusion is matched in the groove.

According to some embodiments of the invention, the display panel comprises: the first wall is positioned on one side of the lampshade far away from the display panel, and the first wall is attached to one side surface of the lampshade facing the first wall and the first surrounding rib; the second wall is connected to the outer periphery of the first wall, and the second wall is attached to the side face, facing the second wall, of the first surrounding rib.

According to some embodiments of the invention, the display panel is a translucent material.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a heat pump water heater according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a display assembly of a heat pump water heater according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a panel and display panel of a heat pump water heater according to an embodiment of the present invention;

fig. 4 is a schematic view of a lamp cover of a heat pump water heater according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a display panel of a heat pump water heater according to an embodiment of the present invention;

fig. 6 is an assembly view of a lamp cover and display panel of a heat pump water heater according to an embodiment of the present invention;

FIG. 7 is an enlarged view of the circled portion B of FIG. 6;

fig. 8 is a schematic view of a display box of a heat pump water heater according to an embodiment of the present invention;

FIG. 9 is an enlarged view of the circled portion C of FIG. 8;

fig. 10 is a cross-sectional view of a display assembly of a heat pump water heater according to an embodiment of the present invention;

fig. 11 is an enlarged view of a portion D circled in fig. 10.

Reference numerals are as follows:

100. a heat pump water heater;

1. a liquid tank portion;

2. a heat pump section; 21. a panel; 211. an opening;

3. a display component; 31. a display panel; 311. a first wall; 312. a second wall;

32. a display box; 321. an accommodating chamber; 322. a rib is protruded; 323. a fool-proof groove;

324. a first surrounding rib; 3241. a groove; 325. a first fool-proof protrusion;

33. a lamp shade; 331. a first through hole; 332. a second through hole;

333. a notch; 334. a fool-proof bulge; 335. an outlet;

336. a second surrounding rib; 3361. a protrusion; 337. a first fool-proof slot;

34. a display panel; 341. a lamp bead; 342. and (6) pressing a key.

Detailed Description

Embodiments of the present invention are described in detail below, the embodiments described with reference to the drawings are exemplary, and a heat pump water heater 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 11.

As shown in fig. 1, a heat pump water heater 100 according to an embodiment of the present invention includes a liquid tank portion 1, a heat pump portion 2, and a display assembly 3.

Specifically, the heat pump portion 2 is provided at the top of the tank portion 1. For example, in the example of fig. 1, the lower end of the heat pump portion 2 is connected to the upper end of the tank portion 1. Therefore, the operation of the button 342 of the heat pump water heater 100 by an operator is facilitated, and the maintenance of the heat pump part 2 is also facilitated. Referring to fig. 2 and 3, the heat pump part 2 includes a panel 21, an opening 211 formed on the panel 21, and the display module 3 includes a display panel 31, a display box 32, a lamp housing 33, and a display panel 34, the display panel 31 being provided at the opening 211. Therefore, the display panel 31 and the panel 21 can be substantially on the same plane, so that the outer surface of the panel 21 is relatively flat, and the appearance of the heat pump water heater 100 is more attractive. Referring to fig. 10, the display box body 32 is disposed on a side of the display panel 31 adjacent to the center of the heat pump portion 2, the display box body 32 and the display panel 31 together define a receiving cavity 321 therebetween, the lamp housing 33 and the display panel 34 are both disposed in the receiving cavity 321, and the lamp housing 33 is disposed on a side of the display panel 34 adjacent to the display panel 31. That is, the display panel 31, the lamp housing 33, the display panel 34, and the display box body 32 are arranged in this order from the panel 21 toward the center of the heat pump part 2, and the lamp housing 33 and the display box are located in the accommodating chamber 321 defined by the display panel 31 and the display box body 32. Therefore, by arranging the separate lamp housing 33, the display effect of the display module 3 is ensured, and meanwhile, the production cost of the display module 3 can be reduced, so that the production cost of the heat pump water heater 100 is reduced. In addition, the layout of the lamp housing 33 and the display panel 34 is reasonable, the structure of the display module 3 is simple, and the production and processing of the display module 3 are facilitated.

According to the utility model discloses heat pump water heater 100, through the cooperation of lamp shade 33 and display panel 34, display module 3 can have better display effect, is favorable to user's use. In addition, by providing the separate lamp housing 33, the structure of the lamp housing 33 is simple, and the production cost of the display module 3 can be reduced, thereby reducing the production cost of the heat pump water heater 100.

According to some embodiments of the utility model, referring to, 5, a plurality of lamp pearls 341 that the interval set up are equipped with on the side surface of display panel 34 towards lamp shade 33. In the description of the present invention, "a plurality" means two or more. For example, in the example of fig. 5, a plurality of lamp beads 341 are adjacent to the upper side of the display panel 34. Therefore, the plurality of lamp beads 341 can be used for displaying relevant parameters of the heat pump water heater 100 and indicating the working state of the heat pump water heater 100. A plurality of light guide structures (not shown) are disposed on the lamp housing 33, a light guide groove penetrating through the light guide structures along a thickness direction (for example, a direction indicated by an arrow a in fig. 5) of the display panel 34 is defined in each light guide structure, and the plurality of lamp beads 341 are respectively fitted in the light guide grooves of the plurality of light guide structures to guide light emitted from the lamp beads 341 to the display panel 31 through the light guide groove. When the lamp shade 33 is engaged with the display panel 34, the plurality of lamp beads 341 on the display panel 34 are respectively engaged in the plurality of light guide grooves, and the light of each lamp bead 341 can only be guided to the display panel 31 through the light guide groove at the corresponding position. From this, can reduce the interference of the light between a plurality of lamp pearls 341 effectively to make the display information on display panel 31 more clear and accurate, improved display module 3's display effect, improved user's use and experienced.

Further, referring to fig. 4, a plurality of first through holes 331 are formed in the lamp housing 33, one ends of the plurality of light guide structures are respectively connected to sidewalls of the plurality of first through holes 331, and the other ends of the plurality of light guide structures extend toward the direction of the lamp bead 341 and abut against the display panel 34. For example, the plurality of first through holes 331 penetrate both side surfaces of the lamp housing 33 in the thickness direction of the display panel 34, the plurality of light guide structures are located between the side surface of the lamp housing 33 adjacent to the display panel 34 and the display panel 34, and the plurality of light guide structures may extend in the thickness direction of the display panel 34, the one end of the plurality of light guide structures is adjacent to the side wall of the plurality of first through holes 331 adjacent to the display panel 34, and the other end of the plurality of light guide structures abuts against the side surface of the display panel 34 adjacent to the lamp housing 33. So set up, the light between a plurality of lamp pearls 341 is difficult for crisscross each other, has reduced the mutual interference of the light between a plurality of lamp pearls 341 effectively, has improved display element 3's display effect. In addition, light guide structure's simple structure, production and processing are comparatively convenient, can improve the production efficiency of lamp shade 33 to the cost is lower, thereby can reduce display module 3's manufacturing cost.

According to some embodiments of the present invention, referring to fig. 4 and 5, at least one key 342 is disposed on a surface of the display panel 34 facing the lamp housing 33, at least one second through hole 332 is formed on the lamp housing 33, and a free end of the key 342 passes through the second through hole 332. For example, in the example of fig. 5, one end of the key 342 is fixedly connected to the side of the display panel 34 adjacent to the lamp housing 33, and the other end of the key 342 extends toward the lamp housing 33. The other end of the button 342 may contact the display panel 31 through the second through hole 332 when the display panel 34 is mated with the lamp housing 33. Therefore, the user can contact the keys 342 through the display panel 31, which is beneficial to the operation of the keys 342 of the user, and is beneficial to the operation of the heat pump water heater 100 by the user.

Optionally, there are a plurality of keys 342 and a plurality of second through holes 332, and the plurality of keys 342 and the plurality of second through holes 332 are matched in a one-to-one correspondence. For example, five keys 342 and five second through holes 332 are shown in the examples of fig. 4 and 5. Therefore, the user can adjust the working state of the heat pump water heater 100 or adjust and control different parameters through different keys 342, the user operation is convenient, the convenience of using the heat pump water heater 100 by the user is improved, and the use experience of the user is further improved. It should be noted that the number and arrangement of the keys 342 and the second through holes 332 may be specifically set according to actual requirements, so as to better meet actual applications.

According to some optional embodiments of the present invention, referring to fig. 8, a plurality of ribs 322 are disposed on a side surface of the display box 32 facing the display panel 31 at intervals, and the plurality of ribs 322 abut against a side surface of the display panel 34 far away from the lamp housing 33 so that a side surface of the display panel 34 adjacent to the lamp housing 33 abuts against the lamp housing 33. For example, in the example of fig. 8, the plurality of ribs 322 may extend in the thickness direction of the display box 32 (i.e., the thickness direction of the display panel 34), and one end of the plurality of ribs 322 is fixedly connected to the side of the display box 32 facing the display panel 31. When the display box 32 is connected to the lamp housing 33, the display panel 34 is located between the lamp housing 33 and the display box 32, and the other ends of the plurality of ribs 322 abut against the side of the display panel 34 facing the display box 32. Therefore, the rib 322 has a squeezing effect on the display panel 34, so that the display panel 34 and the lamp shade 33 are connected more tightly, the problem of display errors of the display panel 31 caused by light channeling among the plurality of lamp beads 341 and the like due to the fact that the display panel 34 is not tightly matched with the lamp shade 33 can be effectively solved, and the display effect of the display assembly 3 is further improved.

According to some embodiments of the present invention, referring to fig. 6 and 8, at least one fool-proof protrusion 334 is formed on one of the lamp cover 33 and the display case 32, and at least one fool-proof groove 323 opposite to the fool-proof protrusion 334 is formed on the other of the lamp cover 33 and the display case 32. For example, in the example of fig. 6 and 8, the bezel 33 is provided with the fool-proof protrusion 334, the display case 32 is provided with the fool-proof groove 323, and the fool-proof protrusion 334 is fitted in the fool-proof groove 323. From this, when lamp shade 33 and display box body 32 are connected, can prevent the misloading effectively, improve the assembly accuracy of lamp shade 33 and display box body 32, avoided moreover because lamp shade 33 and display box body 32 the misloading and the rework that leads to can improve the assembly efficiency of display module 3, and then improve heat pump water heater 100's production efficiency.

Furthermore, at least one notch 333 is formed on one of the lampshade 33 and the display box body 32, a fool-proof protrusion 334 is arranged at the notch 333, and the notch 333 and the fool-proof groove 323 together form an outlet 335. For example, in the example of fig. 6 and 8, the lower end of the lamp housing 33 is formed with a notch 333, the lower end of the display case 32 is formed with a fool-proof groove 323, and the fool-proof protrusion 334 is fitted in the fool-proof groove 323 and defines an outlet 335 together with the fool-proof groove 323. Therefore, the display box 32 and the lamp housing 33 are effectively prevented from being assembled in a wrong way, and meanwhile, the display panel 34 is connected with other components conveniently, so that the normal use of the display assembly 3 can be ensured.

Optionally, the fool-proof protrusions 334 and the fool-proof grooves 323 are multiple, and the fool-proof protrusions 334 and the fool-proof grooves 323 are matched in a one-to-one correspondence manner. Fool-proof protrusion 334 includes a first fool-proof protrusion 325, fool-proof groove 323 includes a first fool-proof groove 337, and first fool-proof protrusion 325 fits within first fool-proof groove 337. For example, in the example of fig. 6 and 8, the first fool-proof protrusion 325 is fixedly coupled to the upper end of the display case body 32, the first fool-proof groove 337 is formed at the upper end of the lamp housing 33, and the first fool-proof protrusion 325 is fitted into the first fool-proof groove 337 when the lamp housing 33 is coupled to the display case body 32. Therefore, the assembling accuracy of the lamp housing 33 and the display box body 32 is further improved by the cooperation of the fool-proof protrusions 334 and the fool-proof grooves 323. In addition, first fool-proof groove 337 has a positioning effect on first fool-proof protrusion 325, so that the positioning accuracy of lamp shade 33 and display box body 32 is improved, and the assembly efficiency of lamp shade 33 and display box body 32 is further improved.

According to some embodiments of the present invention, referring to fig. 6 to 9, the display box body 32 is provided with a first surrounding rib 324 extending along the circumferential direction of the display panel 34, the first surrounding rib 324 is provided with a groove 3241, the lampshade 33 is provided with a second surrounding rib 336 extending along the circumferential direction of the display panel 34, the second surrounding rib 336 is provided with a protrusion 3361, the second surrounding rib 336 is located at one side of the first surrounding rib 324 adjacent to the display panel 34, and the protrusion 3361 is engaged in the groove 3241. For example, in the example of fig. 6-9, the first rail 324 has a groove 3241 formed on an inner sidewall thereof, the groove 3241 extending along a circumferential direction of the display panel 34, and the groove 3241 is adjacent to a side of the first rail 324 facing the display panel 31, and the second rail 336 has a protrusion 3361 formed on an outer sidewall thereof, and the protrusion 3361 is adjacent to a side of the second rail 336 facing the display panel 31. When the lamp housing 33 is connected to the display box 32, the outer peripheral surface of the lamp housing 33 contacts the inner peripheral surface of the display box 32, that is, the second ribs 336 are located on the inner circumferential side of the first ribs 324 and contact the first ribs 324, and the protrusions 3361 are fitted in the grooves 3241. Therefore, the sealing performance between the lamp shade 33 and the display box body 32 is improved, and the probability that water vapor permeates into the display panel 34 from the gap between the display box body 32 and the lamp shade 33 is reduced, so that the normal use of the display panel 34 is facilitated, the use safety of the display assembly 3 is improved, and the moisture-proof performance of the display assembly 3 is also improved. In addition, the lamp shade 33 is connected with the display box body 32 more tightly, so that the stability of the display assembly 3 in long-term use is improved.

Further, with reference to fig. 2 and 10, the display panel 31 includes a first wall 311 and a second wall 312, the first wall 311 is located on a side of the lamp housing 33 away from the display panel 34, the first wall 311 is attached to a surface of the lamp housing 33 facing the first wall 311 and the first rib 324, the second wall 312 is connected to an outer periphery of the first wall 311, and the second wall 312 is attached to a side of the first rib 324 facing the second wall 312. For example, in the example of fig. 2, the first wall 311 refers to a side of the display panel 31 facing the display box 32, and the second wall 312 extends in a circumferential direction of the first wall 311. The assembly process of the display module 3 is substantially as follows: first, the display panel 34 is fixedly connected to the lamp housing 33, for example, by screws (see fig. 6); secondly, the side surface of the lamp shade 33 adjacent to the display panel 34 faces the display box body 32, the lamp shade 33 is connected with the display box body 32, at the moment, the second surrounding rib 336 is positioned at the circumferential inner side of the first surrounding rib 324, and the convex rib 322 on the display box body 32 is stopped against the display panel 34; the display box body 32 with the attached lamp housing 33 is then attached to the display panel 31 (the display panel 31 is fixed to the panel 21 at the opening 211) so that the lamp housing 33 and the display panel 34 are positioned within the accommodation chamber 321 with the side of the lamp housing 33 remote from the display box body 32 (i.e., the above-mentioned side surface of the lamp housing 33 facing the first wall 311) in contact with the side of the display panel 31 adjacent to the display box body 32, and the outer peripheral surface of the display box body 32 is positioned circumferentially inside the second wall 312. By this, the assembly of the display module 3 is completed.

Therefore, the first wall 311 and the side surface of the lamp shade 33 far away from the display box body 32 and the first surrounding rib 324 are both attached, so that the gap between the first wall 311 and the lamp shade 33 is reduced, the sealing performance between the lamp shade 33 and the display panel 31 is improved, water vapor can be effectively prevented from permeating between the lamp shade 33 and the display panel 31, and the display effect of the display panel 31 is improved. In addition, the user can easily touch the key 342 through the display panel 31, and the user can easily see the light of the lamp bead 341 on the lampshade 33, which is beneficial to the use of the customer. In addition, the second wall 312 is attached to the side surface of the first surrounding rib 324 facing the second wall 312, so that the gap between the periphery of the display box body 32 and the second wall 312 is reduced, and the probability that water vapor permeates into the accommodating cavity 321 from the gap between the display box body 32 and the display panel 31 is reduced, thereby further improving the moisture resistance of the display assembly 3, improving the protective effect of the display box body 32 and the display panel 31 on the lamp shade 33 and the display panel 34, and being more beneficial to the long-term use of the display panel 34.

According to some embodiments of the present invention, the display panel 31 is a translucent material. From this, can reduce the sheltering from of display panel 31 to the light of lamp pearl 341 on the display panel 34, the user can be more clear see the display information on display panel 31, has improved display panel 31's display effect, is favorable to user's use more.

Alternatively, the display panel 31 and the display box 32 may be detachably connected, for example, by a snap-fit connection, and the display box 32 and the lamp housing 33 may be detachably connected, for example, by a snap-fit connection. Therefore, the display assembly 3 can be assembled and disassembled conveniently, the assembly efficiency of the display assembly 3 is improved, and the display assembly 3 can be inspected and maintained conveniently.

Other configurations and operations of the heat pump water heater 100 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A heat pump water heater, comprising:

a liquid tank section;

the heat pump part is arranged at the top of the liquid tank part and comprises a panel, and an opening is formed in the panel;

the display assembly comprises a display panel, a display box body, a lampshade and a display panel, wherein the display panel is arranged at the opening, the display box body is arranged at one side, close to the center of the heat pump part, of the display panel, an accommodating cavity is defined between the display box body and the display panel, the lampshade and the display panel are arranged in the accommodating cavity, and the lampshade is located at one side, close to the display panel, of the display panel.

2. The heat pump water heater of claim 1, wherein a plurality of lamp beads are arranged at intervals on the surface of one side of the display panel facing the lampshade;

be equipped with a plurality of light guide structure on the lamp shade, every inject in the light guide structure and follow the thickness direction of display panel link up light guide structure's light guide groove, it is a plurality of lamp pearl cooperates respectively in a plurality of light guide structure light guide inslot is in order to with the light that the lamp pearl sent passes through the light guide groove direction display panel.

3. The heat pump water heater of claim 2, wherein a plurality of first through holes are formed in the lamp cover, one ends of the light guide structures are respectively connected to the side walls of the first through holes, and the other ends of the light guide structures extend toward the direction of the lamp beads and are abutted against the display panel.

4. The heat pump water heater according to claim 1, wherein at least one key is provided on a surface of one side of the display panel facing the lamp housing;

at least one second through hole which is through is formed in the lampshade, and the free end of the key penetrates through the second through hole.

5. The heat pump water heater according to claim 1, wherein a plurality of ribs are provided at intervals on a side surface of the display box body facing the display panel, and the plurality of ribs abut against a side surface of the display panel away from the lamp housing to keep the side surface of the display panel adjacent to the lamp housing abutting against the lamp housing.

6. The heat pump water heater of claim 1, wherein at least one fool-proof protrusion is provided on one of the lampshade and the display box body, and at least one fool-proof groove opposite to the fool-proof protrusion is formed on the other of the lampshade and the display box body.

7. The heat pump water heater according to claim 6, wherein at least one notch is formed on one of the lampshade and the display box body, the fool-proof protrusion is arranged at the notch, and the notch and the fool-proof groove form an outlet together.

8. The heat pump water heater of claim 1, wherein a first surrounding rib extending along the circumferential direction of the display plate is arranged on the display box body, and a groove is formed in the first surrounding rib;

the lampshade is provided with a second surrounding rib extending along the circumferential direction of the display panel, the second surrounding rib is provided with a protrusion, the second surrounding rib is positioned on one side, adjacent to the display panel, of the first surrounding rib, and the protrusion is matched in the groove.

9. The heat pump water heater of claim 8, wherein the display panel comprises:

the first wall is positioned on one side of the lampshade, which is far away from the display panel, and the first wall is attached to one side surface of the lampshade, which faces the first wall, and the first surrounding rib;

the second wall is connected to the outer periphery of the first wall, and the second wall is attached to the side face, facing the second wall, of the first surrounding rib.

10. The heat pump water heater according to any one of claims 1-9, wherein the display panel is a translucent material.

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