CN110107504A - Heat pump and dish-washing machine - Google Patents

Heat pump and dish-washing machine Download PDF

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Publication number
CN110107504A
CN110107504A CN201910418125.9A CN201910418125A CN110107504A CN 110107504 A CN110107504 A CN 110107504A CN 201910418125 A CN201910418125 A CN 201910418125A CN 110107504 A CN110107504 A CN 110107504A
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CN
China
Prior art keywords
heating tube
pump case
pump
impeller
heat pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910418125.9A
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Chinese (zh)
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CN110107504B (en
Inventor
刘日超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Original Assignee
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd filed Critical Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority to CN201910418125.9A priority Critical patent/CN110107504B/en
Publication of CN110107504A publication Critical patent/CN110107504A/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/42Details
    • A47L15/4214Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4225Arrangements or adaption of recirculation or discharge pumps
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/42Details
    • A47L15/4285Water-heater arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/586Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a kind of heat pump and dish-washing machines, wherein water pump includes: the first pump case, impeller, heating tube, the second pump case, first pump case has first entrance and first outlet, impeller is rotatably arranged in the first pump case, impeller is suitable for driving fluid and flows to the first outlet from the first entrance, the axis of impeller vertically extends, heating tube, heating tube covers at the outside of the first pump case, the inner space of the first outlet connection heating tube of first pump case, second pump case, the second pump case are connected to the inner space of heating tube.In the present invention, by the way that the first pump shell structure is arranged, so that the water flow in each impeller passage be gathered, then it is discharged from one or more outlet, flow regime of the water flow in heating chamber can be made more steady and rule, to improve the whole hydraulic efficiency of dish-washing machine.

Description

Heat pump and dish-washing machine
Technical field
The present invention relates to integrated heating pump technical fields, more particularly to a kind of heat pump and with its dish-washing machine.
Background technique
Heating function can be integrated in washing pump by the washing pump in existing dish-washing machine generally for space is saved, but As a result original flow passage structure is often destroyed, to cause additional hydraulic loss.Specifically, being integrated in existing dish-washing machine Washing pump after heating, the heating method of the heated Tube usually used increase pump due to the presence of washing pump heating tube The size of chamber, so that the hydraulic efficiency of integral pump has been seriously affected, simultaneously because heating tube heat exchange area is limited, limited It is very difficult that heating power is increased in space.In addition, the washing pump in existing dish-washing machine after integrated heating will be justified there is also a kind of Structure of the thick film heater of cartridge type as pump chamber, due to without volute structure, causing water flow loss in pump chamber serious.
Summary of the invention
It is an object of the invention to overcome heating tube existing in the prior art to be integrated in washing pump to destroy stream Road structure and lead to the problem of hydraulic loss, and traditional thick film heater is overcome to lead to water in pump chamber directly as pump chamber structure The problem of power is lost proposes a kind of heat pump, realizes in a limited space, thick film is used under conditions of not sacrificing hydraulic efficiency Heater as liquid communication pipeline, and by outside impeller be arranged first pump shell structure, thus by each impeller Water flow in channel is gathered, then from one or more outlet discharge, keep flow regime of the water flow in heating chamber more steady and Rule, to improve whole hydraulic efficiency.
Water pump according to an embodiment of the present invention, comprising: the first pump case, impeller, heating tube, the second pump case, first pump Shell has first entrance and first outlet;The impeller is rotatably arranged in first pump case, and the impeller is suitable for driving Fluid flows to the first outlet from the first entrance, and the axis of the impeller vertically extends;The heating shroud Set on the outside of first pump case, the first outlet of first pump case is connected to the inner space of the heating tube;Described Two pump cases are connected to the inner space of the heating tube.
Water pump according to an embodiment of the present invention, due to being additionally arranged the first pump case inside pump chamber, so that the water flow in pump chamber More gentle and rule, to reach in limited pump chamber space, heating is may be implemented in neither influence hydraulic efficiency again Effect.In other words, exactly reach and save pump chamber space, improve hydraulic efficiency and realize heating function simultaneously.
In addition, it is according to the above embodiment of the present invention, it can also have the following additional technical features:
In some embodiments, the upper end closed of the heating tube, second pump case is connected to the upper end of the heating tube.
In some embodiments, by cover closure, second pump case includes interior plate, outer panel for the upper end of the heating tube With the second top plate, the lower edge of the interior plate connects all edges of the cover board, and the lower edge connection of the outer panel is described to be added The upper edge of hot plate, second top plate are connected with the upper edge of the upper edge of the outer panel and the interior plate, and described Two top plates, the interior plate and the outer panel connect to form runner.
In some embodiments, the heating tube is connected or is aligned with the lower edge of the outer panel.
In some embodiments, second pump case extends along the direction around the impeller axis, and second top plate It is extended spirally upwards on the direction around the impeller axis.
In some embodiments, first pump case includes: coaming plate and the first top plate, and the coaming plate is in around the impeller Annular, first top plate are connected with the coaming plate, and first top plate is upward on the direction around the impeller axis It extends spirally;Wherein, the runner around the impeller axis is formed in first pump case, the both ends of the runner are respectively communicated with The first entrance and the first outlet, and on the direction from first entrance to first outlet the runner sectional area by It is cumulative big.
In some embodiments, at least one of the coaming plate and first top plate are equipped with through-hole.
In some embodiments, the first entrance is set on first top plate and prolongs upwards along the axis of the impeller It stretches.
In some embodiments, the top of the heating tube is connected with water inlet pipe by cover closure, and on the cover board, described Water inlet pipe vertically extends, and the lower end of the water inlet pipe is connected to the first entrance of first pump case.
In some embodiments, the heating tube is thick-film heating structure.
It is another object of the present invention to a kind of dish-washing machines, comprising: liner, cup and heat pump, the interior tool of the liner There are washing cavities;The cup is set to the liner at the bottom and is connected to the washing cavities;The heat pump connects the cup, described Heat pump is according to the described in any item heat pumps of claim 1-14.
Detailed description of the invention
Fig. 1 is the perspective view of the heat pump in one embodiment of the invention.
Fig. 2 is the schematic diagram of the first pump shell structure in one embodiment of the invention.
Fig. 3 is the schematic diagram of heating-pipe structure shown in Fig. 1.
Appended drawing reference:
Heat pump 100,
First pump case 1, impeller 2, heating tube 3, the second pump case 4, connecting terminal 5, cover board 6, water inlet pipe 7,
First entrance 11, first outlet 12, coaming plate 13, the first top plate 14, interior plate 41, outer panel 42, the second top plate 43, Second outlet 44.
Specific embodiment
Heating power is an important parameter of heat pump, in the production of heat pump and in use, would generally be according to reality Border needs to increase heat pump (such as the program setting under user sets or electric appliance including heat pump is defaulted different mode) Heating power, with meet obtain different leaving water temperatures the needs of, specifically namely increase heating tube power, usually pass through increasing Adding caliber and length of tube and realizes the increase for heating tube power, a direction size that certainly will will lead to heat pump in this way is larger, To will affect the performance of integral product, size or appearance.
But heating power can be improved there are also a kind of mode, that is, flow rate of water flow is reduced, to extend water flow and add The heat-exchange time of heat pipe then this invention address that providing a kind of heat pump 100, neither increases the size in heat pump 100, The size of heat pump 100 even can be reduced to a certain extent, and does not influence to pump the continuity of interior water outlet, can also improve waterpower Efficiency avoids water flow from losing, and can also make leaving water temperature and flow velocity more stable and uniform.
In addition, the dish-washing machine includes liner, cup and heating the present invention also provides a kind of dish-washing machine (not shown) Pump 100, it is generally the case that cup is set to liner at the bottom and is connected to the washing cavities inside liner, and heat pump 100 connects cup, and For in the gushing arm in the water pump to washing cavities by cup, and at least one through-hole or outlet would generally be set on gushing arm, Make at the column that washes the dishes in water injection to the washing cavities of internal cavity of bowl washer, to achieve the purpose that clear Bowl cleaning utensil etc..
The heat pump 100 of dish washer interior, the standard that can directly pump out under the various modes of dish-washing machine program setting are washed The water of temperature is washed, the detergent and disinfectant of doses are then aided with, the sink of dish-washing machine is sprayed onto from water jet or washes Wash it is intracavitary, thus have the function that reduce greasy dirt viscosity and adhesive force, and then improve dirt clean rate.Here, dish-washing machine Concrete form do not limit, the either dish-washing machine or domestic bowl-washing or embedded dish washer, platform of commercial use Formula dish-washing machine also or integrates the dishwasher apparatus etc. of other kitchen appliances or household electrical appliance, the applicable present invention.Together When the present invention in heat pump 100 have following features, next will carry out detailed illustrate in conjunction with attached drawing.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
As shown in Figure 1 to Figure 3, heat pump 100 according to an embodiment of the invention includes: the first pump case in structure 1, impeller 2, heating tube 3, the second pump case 4.
Wherein, the first pump case 1 have first entrance 11 and first outlet 12, it is generally the case that first entrance 11 connect into Water pipe, and first outlet 12 is to pump the outlet of internal drainage.Impeller 2 is rotatably arranged in the first pump case 1, and impeller 2 is suitable for driving Fluid flows to first outlet 12 from first entrance 11, and the axis of impeller 2 vertically extends.Heating tube 3 covers at The outside of one pump case 1, the second pump case 4 are connected to the inner space of heating tube 3, and the first outlet 12 of the first pump case 1 is connected to heating tube 3 Inner space, when pump in water outlet from first outlet 12 flow out after, exchange heat into the inner space of heating tube 3, then band Heat exchange after water temperature flow into the second pump case 4.
It can be seen that water pump according to an embodiment of the present invention, due to being additionally arranged the first pump case in the pump chamber of heat pump 100 1, do not need to increase heating tube 3 in size axial or in the radial direction, to reach in limited pump chamber space, neither Influence hydraulic efficiency may be implemented the effect of heating again.In other words, exactly reach and save pump chamber space, improve hydraulic efficiency simultaneously Realize heating function.
In addition, the upper end closed of heating tube 3, second pump case 4 is connected to the upper end of the heating tube.Such as Fig. 1 and Fig. 3 Shown, heating tube 3 is the structure of a barreled, and the upper end closing influences hydraulic efficiency to prevent water from splashing out upwards, causes to pacify Full hidden danger.And heating tube 3 is connected to the second pump case 4, as shown in Figure 1, the second pump case 4 is located at the top of heating tube 3, Be exactly that water is spun up out of water inlet pipe 7 enters the first pump case 1 via first entrance 11 impeller 2 in the present embodiment, then to It is upper to be heated by heating tube 3, then be upwardly into the runner of the second pump case 4, the runner of the second pump case 4 is flowed through, from second outlet The process pumped in other words of drawing water upwards is completed in 44 outflows herein.
As shown in Fig. 1 to Fig. 3, the upper end of heating tube 3 is closed by cover board 6, the structure of the second pump case 4 in the present embodiment Including interior plate 41, outer panel 42 and the second top plate 43.And interior plate 41 and outer panel 42 are with 4 axis of impeller or cover board 6 center is reference.It is interior plate 41 in the coaming plate of the second pump case 4 of the axial location close to impeller, far from leaf The coaming plate for taking turns 4 axial locations is outer panel 42.
All edges of the lower edge connecting cover plate 6 of interior plate 41, the upper edge of the lower edge connection heating plate of outer panel 42, the Two top plates 43 are connected with the upper edge of the upper edge of outer panel 42 and interior plate 41, the second top plate 43, interior plate 41 and outside The connection of plate 42 forms runner.It follows that there are two pump chambers for the tool of heat pump 100 in the present embodiment, formed except the first pump case 1 Other than pump chamber, there are also big 100 chambers of heat pump that the second pump case 4 and heating tube 3 are formed, or referred to as water outside it Pump chamber.
It is intracavitary to enter above-mentioned water pump after water flow is discharged from the first outlet 12 of the first pump case 1, then from the second pump case 4 The discharge of second water outlet, here, the second pump case 4 can be designed to the form of spiral case, in order to improve the waterpower of water outlet water flow Efficiency.And resulting double pump chamber dual channel structure, so that the circulating water flow water outlet in the heat pump 100 of dish-washing machine is more Slowly uniformly, so that so that dish-washing machine is increased heating power becomes to be more easier, hydraulic loss and energy loss are avoided.Meanwhile Water flow can be made by the runner of this relatively optimization, and the volume of pump chamber size in other words will not be increased, washed the dishes to save Integrally-built size in machine, and then the structure optimization that can be dish-washing machine to a certain extent is more easier.
Certainly, the second pump case, which does not limit to, belongs to fluid force when impeller 4 is centrifugal impeller with the runner of spiral case form Ground in range is learned, runner should be involute in form, so the runner of scroll casing type meets the kinetic characteristic of its water flow.But When impeller 4 is axial wheel, the first pump case 1 and the second pump case 2 can be designed as barreled runner etc. and be more suitble to axis stream leaf The runner of wheel, it is generally the case that the washing pump in dish-washing machine is all centrifugal water pump, but the invention is not limited to This.
As shown in Figure 1, heating tube 3 is connected or is aligned with the lower edge of outer panel 42.For the pump chamber structure of heat pump 100 Leakproofness and avoid the waste of waterpower, heating tube wall is connected with outer panel 42, can be integral structure, is also possible to seal Splicing construction etc..
As shown in Figure 1, the second top plate 43 extends spirally upwards on the direction of 2 axis of wound impeller.In other words, the second pump The flow area of shell 4 is gradually increased, thus the process for making water flow that a diffusion be undergone to slow down, and then make going out in the second pump case 4 Water sluggish flow and it is uniform, by the flow passage structure of scroll casing type make water outlet hydraulic efficiency improve, promote the performance of dish-washing machine, subtract The whole energy consumption of small dish-washing machine.
As shown in Fig. 2, the first pump case 1 includes coaming plate 13 and the first top plate 14, coaming plate 13 is in the ring around the impeller 2 Shape, the first top plate 14 are connected with coaming plate 13, and the first top plate 14 extends spirally upwards on the direction of 2 axis of wound impeller.Its In, the runner of 2 axis of wound impeller is formed in the first pump case 1, the both ends of runner are respectively communicated with first entrance 11 and first outlet 12, and be gradually increased in the sectional area of the direction upper runner from first entrance 11 to first outlet 12.
In other words, the first pump case 1 is the structure of a similar spiral case, and the runner formed in the first pump case 1 is around impeller 2 Axis spiral, when water flow is thrown toward first along the runner in the first pump case 1 after the first entrance 11 of the first pump case 1 During outlet 12, the sectional area of runner is gradually increased, and according to as known to those skilled in the art, this process is The process that one water flow diffusion slows down, such water outlet can achieve a more gentle speed, adding to increase water flow Time in heat pipe 3, that is to say, that increase heat-exchange time of the water flow in heating tube 3, to greatly improve heat exchange. Also, here, not limiting the first pump case 1 must be this concrete form of volute structure, and concrete form can be according to leaf The form of wheel is determined, popular to say, exactly according to the kinetic characteristic of water outlet water flow come fixed.
In addition, at least one of coaming plate 13 and the first top plate 14 are equipped with through-hole (not shown).In the first pump case 1 The purpose that through-hole is arranged is to increase the uniformity of water outlet, through-hole can be arranged to one or more, for dispersing from impeller 2 The water flow gathered in all directions, thus the distribution for keeping the water outlet in the first pump case 1 more uniform in heating tube 3.It is aobvious and easy See, through-hole here may also be referred to as other discharge outlet of the first pump case 1 in addition to first outlet 12.
As shown in Fig. 2, first entrance 11 is set on the first top plate 14 and upwardly extends along the axis of impeller 2.Such as Fig. 1 institute Show, can be set to the top for extending to the second pump case 4, in order to the pump chamber internal water flooding to the first pump case 1.Such as figure 1 to shown in Fig. 3, and the upper end of heating tube 3 is closed by cover board 6, and water inlet pipe 7 is connected on cover board 6, and the runner in water inlet pipe 7 runs through Cover board 6 is simultaneously connected to the first pump case 1, and water inlet pipe 7 vertically extends, the first entrance 11 of lower end and the first pump case 1 Connection
In other words, the pipeline that first entrance 11 is extended is exactly water inlet pipe 7, and water inlet pipe 7 can be the plastic cement such as PE or PC Material is also possible to metal material, and its form that can be multistage connection, is also possible to the siphunculus of an one.Heating Enter water in pump 100, is all to be directly entered by water inlet pipe 7 inside the pump chamber of first pump case 1 formation, then pass through centrifugal impeller 2 Rotation, stronger centrifugal force is obtained and spiral, to be thrown out of in the water outlet or through-hole of the first pump case 1.
As shown in Figure 1 to Figure 3, heating tube 3 is thick-film heating structure.Terminals are provided on the periphery wall of heating tube 3 Son 5, for providing power supply for heating tube.Connecting terminal 5 can do water-proofing treatment, and the periphery that heating tube 3 is arranged in has safety The high feature of property.Under normal conditions, thick-film heating pipe 3 is respectively to print on substrate pipe using screen printing technique from inside to outside Insulating medium layer, resistive layer, conductor layer, protection glaze layer etc., then formed by high temperature sintering.As its name suggests, because of its tubbiness Structure flowing water in channel can be made to pass through 360 degree of heating, be integrally heated relatively uniform as natural water channel, will not Heating efficiency is reduced because heater surfaces generate a large amount of bubbles.And since heat can conduct away in time, so entirely Heat-generating pipe surface temperature is not high, will not cause open fire.And safety is good, long service life.
From the foregoing, it can be seen that heat pump 100 provided by the invention, not only has the advantages that all of thick-film heating, it is prior It is to have taken into account the raising of the complete and heating efficiency of flow passage structure, while also assuring the applicability of product size, and structure Rationally, usage range is wide.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (11)

1. a kind of heat pump characterized by comprising
First pump case, first pump case have first entrance and first outlet;
Impeller, the impeller are rotatably arranged in first pump case, and the impeller is suitable for driving fluid and enters from described first Mouth flows to the first outlet, and the axis of the impeller vertically extends;
Heating tube, the heating tube cover at the outside of first pump case, described in the first outlet connection of first pump case The inner space of heating tube;
Second pump case, second pump case are connected to the inner space of the heating tube.
2. heat pump according to claim 1, which is characterized in that the upper end closed of the heating tube, second pump Shell is connected to the upper end of the heating tube.
3. heat pump according to claim 2, which is characterized in that the upper end of the heating tube is by cover closure, and described Two pump cases include interior plate, outer panel and the second top plate, and the lower edge of the interior plate connects all edges of the cover board, described outer The lower edge of side plate connects the upper edge of the heating plate, the upper edge and the inside of second top plate and the outer panel The upper edge of plate is connected, and second top plate, the interior plate and the outer panel connect to form runner.
4. heat pump according to claim 3, which is characterized in that the heating tube is connected with the lower edge of the outer panel Or alignment.
5. heat pump according to claim 4, which is characterized in that second pump case is along the side around the impeller axis To extension, and second top plate extends spirally upwards on the direction around the impeller axis.
6. heat pump according to claim 1, which is characterized in that first pump case includes:
Coaming plate, the coaming plate are in the annular around the impeller,
First top plate, first top plate are connected with the coaming plate, and first top plate is in the side around the impeller axis It extends spirally upwards upwards;
Wherein, the runner around the impeller axis is formed in first pump case, the both ends of the runner are respectively communicated with described First entrance and the first outlet, and the sectional area of the runner gradually increases on the direction from first entrance to first outlet Greatly.
7. heat pump according to claim 6, which is characterized in that at least one of the coaming plate and first top plate It is equipped with through-hole.
8. heat pump according to claim 7, which is characterized in that the first entrance is set on first top plate and edge The axis of the impeller upwardly extends.
9. heat pump according to claim 1 to 8, which is characterized in that the top of the heating tube is sealed by cover board Close, and be connected with water inlet pipe on the cover board, the water inlet pipe vertically extends, and the lower end of the water inlet pipe with it is described The first entrance of first pump case is connected to.
10. heat pump according to claim 1, which is characterized in that the heating tube is thick-film heating structure.
11. a kind of dish-washing machine characterized by comprising
Liner, the liner is interior to have washing cavities;
Cup, the cup are set to the liner at the bottom and are connected to the washing cavities;
Heat pump, the heat pump connect the cup, and the heat pump is to add according to claim 1-10 is described in any item Heat pump.
CN201910418125.9A 2019-05-20 2019-05-20 Heating pump and dish washing machine Active CN110107504B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201910418125.9A CN110107504B (en) 2019-05-20 2019-05-20 Heating pump and dish washing machine

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Publication Number Publication Date
CN110107504A true CN110107504A (en) 2019-08-09
CN110107504B CN110107504B (en) 2021-11-19

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112922842A (en) * 2019-12-06 2021-06-08 佛山市威灵洗涤电机制造有限公司 Integrated heat pump and washing device
WO2021109897A1 (en) * 2019-12-04 2021-06-10 青岛海尔洗衣机有限公司 Heating circulation pump and washing machine
CN113662486A (en) * 2020-05-13 2021-11-19 佛山市威灵洗涤电机制造有限公司 Heating pump and dish washing machine

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