CN205208893U - Heater for pump - Google Patents
Heater for pump Download PDFInfo
- Publication number
- CN205208893U CN205208893U CN201520962954.0U CN201520962954U CN205208893U CN 205208893 U CN205208893 U CN 205208893U CN 201520962954 U CN201520962954 U CN 201520962954U CN 205208893 U CN205208893 U CN 205208893U
- Authority
- CN
- China
- Prior art keywords
- heating plate
- pump
- utility
- outer cover
- entrance
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5866—Cooling at last part of the working fluid in a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/50—Inlet or outlet
- F05D2250/51—Inlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a heater for pump, including dustcoat and hot plate, be equipped with the entry on the dustcoat, the hot plate is established just dodge the below of dustcoat the entry, the entry intercommunication the upper portion space of dustcoat with the lower part space of hot plate. According to the utility model discloses a heater for pump through establishing the hot plate in the below of dustcoat, utilizes the hot plate to add the extremely fluid in its lower part space of thermal current, has not only increased fluidic heating area, in addition can the make full use of space. Simultaneously, because the entry is avoided to the hot plate, the hot plate can not produce the hydraulic resistance by the convection cell, avoids influencing pump sending efficiency.
Description
Technical field
The utility model relates to pumping technology field, especially relates to a kind of pump heater.
Background technology
In correlation technique, for fluid heating, carrying out the situation of pumping again to heated fluid, usually pump heater and pumping installations are provided separately, bulky, space availability ratio is low.For this reason, there is the equipment embedding in pump case by pump heater or the outer surface being attached to pump case is combined to make pump heater and pumping installations, but the efficiency of heating surface of this structure is lower, and the embedded part of pump heater increases hydraulic resistance, affects pumping efficiency.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model needs to provide a kind of pump heater, and described pump heating appliances has living space, and utilization rate is high, efficiency of heating surface advantages of higher, and can not affect pumping efficiency.
According to the pump heater of the utility model embodiment, comprising: outer cover, described outer cover is provided with entrance; Heating plate, described heating plate is located at the below of described outer cover and dodges described entrance, and described entrance is communicated with the upper space of described outer cover and the lower space of described heating plate.
According to the pump heater of the utility model embodiment, by heating plate being located at the below of outer cover, utilizing heater plate to flow to the fluid of lower space, not only increasing the heating surface (area) (HS of fluid, and can space be made full use of.Meanwhile, because entrance avoided by heating plate, heating plate can not produce hydraulic resistance to fluid, avoids affecting pumping efficiency.
According to embodiments more of the present utility model, at least one in the upper surface of described heating plate and outer peripheral face is provided with resistive coating.
According to embodiments more of the present utility model, described heating plate is the annular-heating plate with central through hole, and described central through hole is corresponding with described entrance in the vertical direction position.
Alternatively, described heating plate is annular heating plate.
In embodiments more of the present utility model, the inner edge of described heating plate and periphery are along sealing respectively and between described outer cover.
Alternatively, the inner edge of described heating plate and periphery are along being sealed by sealing ring respectively and between described outer cover.
Preferably, the inner edge of described heating plate and/or periphery along and corresponding described sealing ring between be provided with thermal insulation barriers.
According to embodiments more of the present utility model, described pump heater also comprises: binding post, and described binding post is electrically connected with described heating plate and exposes from described outer cover.
Further, described heating plate is provided with terminal board, and described binding post is located in described terminal board.
According to embodiments more of the present utility model, described outer cover comprises: cover body, and described heating plate is located at the below of described cover body; Inlet tube, described inlet tube is located on described cover body, and described entrance is located on described inlet tube.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the explosive view of the centrifugal pump according to the utility model embodiment;
Fig. 2 is the stereogram of the centrifugal pump according to the utility model embodiment;
Fig. 3 is the front view of the centrifugal pump according to the utility model embodiment;
Fig. 4 is the sectional view along A-A line in Fig. 3;
Fig. 5 is the left view of the centrifugal pump according to the utility model embodiment;
Fig. 6 is the top view of the centrifugal pump according to the utility model embodiment;
Fig. 7 is the dividing plate of conducting element and the stereogram of right-handed screw stator of centrifugal pump according to the utility model embodiment;
Fig. 8 is the dividing plate of conducting element and the front view of right-handed screw stator of centrifugal pump according to the utility model embodiment;
Fig. 9 is the dividing plate of conducting element and the top view of right-handed screw stator of centrifugal pump according to the utility model embodiment;
Figure 10 is the explosive view of the centrifugal pump according to another embodiment of the utility model;
Figure 11 is the stereogram of the conducting element of centrifugal pump according to another embodiment of the utility model;
Figure 12 is the front view of the conducting element of centrifugal pump according to another embodiment of the utility model;
Figure 13 is the top view of the conducting element of centrifugal pump according to another embodiment of the utility model;
Figure 14 is the sectional view of the pump heater according to the utility model first embodiment;
Figure 15 is the stereogram of the outer cover of pump heater according to the utility model first embodiment;
Figure 16 is the stereogram at the heating plate place of pump heater according to the utility model first embodiment;
Figure 17 is the stereogram of the pump heater according to the utility model second embodiment;
Figure 18 is the sectional view of the pump heater according to the utility model second embodiment.
Reference numeral:
Centrifugal pump 100,
Pump case 1, heating chamber 11, pump chamber 12, inlet tube 13, entrance 130, housing 14, outlet 140,
Pump heater 200, outer cover 21, cover body 211, heating plate 22, upper space 201, lower space 202,
Conducting element 3, dividing plate 31, locating hole 310, baffle 311, right-handed screw stator 32, agrees with groove 320, backpitch stator 33, locating dowel 331,
Impeller 4,
Sealing ring 5, the first sealing ring 51, second sealing ring 52, thermal insulation barriers 6, the first thermal insulation barriers 61, second thermal insulation barriers 62, binding post 7, terminal board 8.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
Describe according to the pump heater 200 of the utility model embodiment below with reference to Fig. 1-Figure 18, described pump heater 200 has that space availability ratio is high, efficiency of heating surface advantages of higher, and can not affect pumping efficiency.Wherein, pump heater 200 can be applied to the pumping heaters such as centrifugal pump.
As shown in Fig. 1-Figure 18, according to the pump heater 200 of the utility model embodiment, comprise outer cover 21 and heating plate 22.
Outer cover 21 is provided with entrance 130, and heating plate 22 is located at the below of outer cover 21 and dodges entrance 130, and such as, heating plate 22 is arranged around entrance 130.Entrance 130 is communicated with the upper space 201 of outer cover 21 and the lower space 202 of heating plate 22, and fluid enters in outer cover 21 from entrance 130, and the lower space 202 flowing to heating plate 22 is heated by heating plate 22.
According to the pump heater 200 of the utility model embodiment, by heating plate 22 being located at the below of outer cover 21, utilizing heating plate 22 to heat the fluid flowing to lower space 202, not only increasing the heating surface (area) (HS of fluid, and can space be made full use of.Meanwhile, because entrance 130 avoided by heating plate 22, heating plate 22 can not produce hydraulic resistance to fluid, avoids affecting pumping efficiency.
In sum, according to the pump heater 200 of the utility model embodiment, space availability ratio is high, the efficiency of heating surface is high, and does not affect pumping efficiency.
According to embodiments more of the present utility model, at least one in the upper surface of heating plate 22 and outer peripheral face is provided with resistive coating, and namely at least one side do not contacted by adding in the surface of hot fluid of heating plate 22 scribbles resistive coating.Such as, the lower surface of heating plate 22 with heated fluid contact, the upper surface of heating plate 22 applies resistive coating, and heat is delivered to the lower surface of heating plate 22 and the fluid heating to lower space 202.Or resistive coating can be coated on the outer peripheral face of heating plate 22.Certainly, the upper surface of heating plate 22 and outer peripheral face all can apply resistive coating, and heating effect like this is better.Preferably, resistive coating can be thick-film resistor.
As shown in Fig. 1, Fig. 4, Figure 10, Figure 14, Figure 16 and Figure 18, according to embodiments more of the present utility model, heating plate 22 can for having the annular-heating plate of central through hole, central through hole is corresponding with entrance 130 in the vertical direction position, such as, the central axis of central through hole all vertically extends with the central axis of entrance 130 and overlaps, and the diameter of central through hole is more than or equal to the diameter of entrance 130, and heating plate 22 like this can not produce hydraulic resistance to the fluid at entrance 130 place.
Alternatively, as shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 6, Figure 10, Figure 14, Figure 16-Figure 18, heating plate 22 can be annular heating plate, so can improve space availability ratio and the efficiency of heating surface further.
In some embodiments shown in Figure 14 and Figure 18, the inner edge of heating plate 22 and periphery, along sealing respectively and between outer cover 21, are leaked to avoid fluid.Particularly, the inner edge of heating plate 22 and periphery are along being sealed by sealing ring 5 respectively and between outer cover 21.Such as, sealed by the first sealing ring 51 between the inner edge of heating plate 22 and outer cover 21, sealed by the second sealing ring 52 between the edge, periphery of heating plate 22 and outer cover 21.
Preferably, the inner edge of heating plate 22 and/or periphery along and corresponding sealing ring 5 between can be provided with thermal insulation barriers 6, this avoid sealing ring 5 Direct Contact Heating plate 22, heat that heating plate 22 produces can be alleviated on the impact of sealing ring 5.Wherein, thermal insulation barriers 6 can be located between the inner edge of heating plate 22 and corresponding sealing ring 5, or thermal insulation barriers 6 can be located between the edge, periphery of heating plate 22 and corresponding sealing ring 5.Certainly, the inner edge of heating plate 22 and periphery along and corresponding sealing ring 5 between can be equipped with thermal insulation barriers 6.Such as, the inner edge of heating plate 22 is welded the first thermal insulation barriers 61 that the circumference along inner edge extends, and the periphery of heating plate 22 along upper welding circumferentially edge circumference extend the second thermal insulation barriers 62, first thermal insulation barriers 61 is between the inner edge of heating plate 22 and the first sealing ring 51, and the first sealing ring 51 seals the gap between the first thermal insulation barriers 61 and outer cover 21, second thermal insulation barriers 62 is between the edge, periphery of heating plate 22 and the second sealing ring 52, and the second sealing ring 52 seals the gap between the second thermal insulation barriers 62 and outer cover 21.
As shown in Figure 1, Figure 2, shown in Fig. 6, Figure 10 and Figure 14-Figure 16, according to embodiments more of the present utility model, pump heater 200 can also comprise binding post 7, and binding post 7 is electrically connected with heating plate 22 and exposes from outer cover 21, to be energized to heating plate 22.Further, as shown in Fig. 1-Fig. 3, Fig. 5, Fig. 6, Figure 10 and Figure 14-Figure 16, heating plate 22 can be provided with terminal board 8, binding post 7 is located in terminal board 8, to protect binding post 7, improves electrical safety.
In some embodiments shown in Fig. 1-Fig. 6, Figure 10, Figure 14, Figure 15, Figure 17 and Figure 18, outer cover 21 can comprise cover body 211 and inlet tube 13, heating plate 22 is located at the below of cover body 211, and inlet tube 13 is located on cover body 211, and entrance 130 is located on inlet tube 13.Like this, fluid is in the guiding current downflow of inlet tube 13 to the lower space 202 of heating plate 22, and hydraulic resistance is little.
The centrifugal pump 100 according to a specific embodiment of the present utility model is described in detail below with reference to Fig. 1-Fig. 9, described centrifugal pump 100 is applicable to the application scenarios such as fluid conveying, cooling system, household electrical appliance, advantages such as having compact conformation, volume is little, the efficiency of heating surface is high, pump-conveying property is good.Be worth understanding, following description is exemplary illustration, and can not be interpreted as restriction of the present utility model.
As shown in Fig. 1-Fig. 9, according to the centrifugal pump 100 of the utility model embodiment, comprise housing 14, pump heater 200, conducting element 3 and impeller 4.
Specifically, pump heater 200 comprises outer cover 21, heating plate 22 and binding post 7, outer cover 21 comprises cover body 211 and inlet tube 13, on the lower surface that heating plate 22 is arranged on cover body 211 and heating plate 22 is provided with terminal board 8, terminal board 8 exposes from cover body 211, binding post 7 to be arranged in terminal board 8 and to be electrically connected with heating plate 22, and inlet tube 13 to be arranged on cover body 211 and to have entrance 130, and entrance 130 is communicated with the upper space 201 of cover body 211 and the lower space 202 of heating plate 22.Wherein, heating plate 22 is for having central through hole and the annular heating plate of upper surface coating thick-film resistor, and central through hole is corresponding with entrance 130 in the vertical direction position.
Housing 14, cover body 211 and inlet tube 13 form the pump case 1 of centrifugal pump 100 jointly, heating chamber 11 and pump chamber 12 are formed in housing 14, heating chamber 11 is positioned at the top of pump chamber 12, heating chamber 11 is communicated with the central axis place of pump chamber 12 at housing 14, and heating chamber 11 and pump chamber 12 are positioned at the below of heating plate 22.Wherein, heating chamber 11 is communicated with entrance 130, and heating chamber 11 is stretched in the lower end of inlet tube 13, and the periphery wall of housing 14 is provided with the outlet 140 be communicated with pump chamber 12, and central axis and the periphery wall of housing 14 of outlet 140 are tangent.
As shown in Figure 4, heating plate 22 is pressed on the upper end of housing 14 by cover body 211, and the lower surface of heating plate 22 is the roof of heating chamber 11, sealed by the first sealing ring 51 between the inner edge of heating plate 22 and the outer peripheral face of inlet tube 13, the periphery of heating plate 22 along and housing 14 between and sealed by the second sealing ring 52 between housing 14 and cover body 211.Conducting element 3 to be located in heating chamber 11 and to be positioned at the below of heating plate 22, and conducting element 3 comprises dividing plate 31, multiple right-handed screw stator 32 and multiple backpitch stator 33.Wherein, as shown in Figure 4 and Figure 8, dividing plate 31 radially ecto-entad to lower recess, the edge, periphery of dividing plate 31 is positioned at the top of the center of dividing plate 31, the circumference of dividing plate 31 is provided with multiple locating hole 310 be spaced apart from each other, the upper surface center of dividing plate 31 is provided with conical baffle 311, the summit arc transition of baffle 311.
As shown in figs. 4 and 7, multiple right-handed screw stator 32 is located at the upside of dividing plate 31 and one-body molded with dividing plate 31, right-handed screw stator 32 is along the radial direction clockwise from the inside to the outside of dividing plate 31, and limit diffusion runner in the upside of dividing plate 31, the inner of right-handed screw stator 32 is provided with agrees with groove 320, and the lower end of inlet tube 13 is engaged in agreeing with in groove 320 of multiple right-handed screw stator 32.Thus, inlet tube 13 is engaged on conducting element 3.
As shown in Figure 1 and Figure 4, multiple backpitch stator 33 is located at the downside of dividing plate 31 and one-body molded with housing 14, backpitch stator 33 offsets from the inside to the outside counterclockwise along the radial direction of dividing plate 31, and limit concentrated runner in the downside of dividing plate 31, in adjacent above-mentioned two backpitch stators 33, only a backpitch stator 33 is provided with locating dowel 331, and multiple locating dowel 331 is engaged in multiple locating hole 310 respectively.Thus, dividing plate 31 is supported on multiple backpitch stator 33, thus conducting element 3 is arranged on housing 14.
As shown in Figure 4, impeller 4 is located in pump chamber 12, and be concentrated to the guiding current downflow extremely outlet 140 of fluid at impeller 4 of pump chamber 12, the shape of the housing 14 of wound impeller 4 is spirality.The central axis of the central axis of central through hole of the central axis of entrance 130, the central axis of housing 14, heating plate 22, the central axis of conducting element 3 and impeller 4 overlaps.
Below with reference to the accompanying drawings the heating pumping procedure of the centrifugal pump 100 according to the utility model embodiment is described.
Along spreading flow passage after fluid enters heating chamber 11 by entrance 130, the radial direction that now flowing of fluid presents along heating plate 22 spreads from inside to outside, afterwards, fluid after the diffusion of diffusion runner flows into concentrates runner, the radial ecto-entad that the now flowing of fluid presents along heating plate 22 is concentrated, like this, not only reduce the curve resistance of fluid flowing, the bend loss of fluid is little, and, make fluid along the radially outward diffusion of heating plate 22, fluid can flow through the lower surface of heating plate 22 and fully contact with heating plate 22, increase the heating surface (area) (HS of fluid, finally, being concentrated by the fluid heated is flowed in pump chamber 12, guiding through impeller 4 flow to outlet 140 again.
According to the centrifugal pump 100 of the utility model embodiment, utilize pump heater 200 as above, make the compact conformation of centrifugal pump 100, volume is little, improves the space availability ratio of centrifugal pump 100.Meanwhile, heating plate 22 is avoided entrance 130 and is arranged, and can not increase the hydraulic resistance of fluid, and the pump case 1 of wound impeller 4 is designed to spiral-shaped, thus the pump-conveying property of centrifugal pump 100 is good.In addition, utilize conducting element 3, not only reduce the bend loss of fluid, and, fluid can flow through the lower surface of heating plate 22 and fully contact with heating plate 22, the external diameter of heating plate 22 can be matched with the external diameter of pump case 1, thus improve the efficiency of heating surface of fluid, reduce the axial dimension of centrifugal pump 100.
Describe the centrifugal pump 100 according to another specific embodiment of the present utility model in detail referring to Fig. 2-Fig. 6 and Figure 10-Figure 13, be worth understanding, following description is exemplary illustration, and can not be interpreted as restriction of the present utility model.
As shown in Fig. 2-Fig. 6 and Figure 10-Figure 13, according to the centrifugal pump 100 of the utility model embodiment, comprise housing 14, pump heater 200, conducting element 3 and impeller 4.
Specifically, pump heater 200 comprises outer cover 21, heating plate 22 and binding post, outer cover 21 comprises cover body 211 and inlet tube 13, on the lower surface that heating plate 22 is arranged on cover body 211 and heating plate 22 is provided with terminal board 8, terminal board 8 exposes from cover body 211, binding post 7 to be arranged in terminal board 8 and to be electrically connected with heating plate 22, and inlet tube 13 to be arranged on cover body 211 and to have entrance 130, and entrance 130 is communicated with the upper space 201 of cover body 211 and the lower space 202 of heating plate 22.Wherein, heating plate 22 is for having central through hole and the annular heating plate of upper surface coating thick-film resistor, and central through hole is corresponding with entrance 130 in the vertical direction position.
Housing 14, cover body 211 and inlet tube 13 form the pump case 1 of centrifugal pump 100 jointly, heating chamber 11 and pump chamber 12 are formed in housing 14, heating chamber 11 is positioned at the top of pump chamber 12, heating chamber 11 is communicated with the central axis place of pump chamber 12 at housing 14, and heating chamber 11 and pump chamber 12 are positioned at the below of heating plate 22.Wherein, heating chamber 11 is communicated with entrance 130, and heating chamber 11 is stretched in the lower end of inlet tube 13, and the periphery wall of housing 14 is provided with the outlet 140 be communicated with pump chamber 12, and central axis and the periphery wall of housing 14 of outlet 140 are tangent.
As shown in Figure 4, heating plate 22 is pressed on the upper end of housing 14 by cover body 211, and the lower surface of heating plate 22 is the roof of heating chamber 11, sealed by the first sealing ring 51 between the inner edge of heating plate 22 and the outer peripheral face of inlet tube 13, the periphery of heating plate 22 along and housing 14 between and sealed by the second sealing ring 52 between housing 14 and cover body 211.Conducting element 3 is formed in one part and being located in heating chamber 11, and is positioned at the below of heating plate 22, and conducting element 3 comprises dividing plate 31, multiple right-handed screw stator 32 and multiple backpitch stator 33.Wherein, as shown in Fig. 4 and Figure 12, dividing plate 31 radially ecto-entad to lower recess, the edge, periphery of dividing plate 31 is positioned at the top of the center of dividing plate 31, the circumference of dividing plate 31 is provided with multiple locating hole 310 be spaced apart from each other, the center of the upper surface of dividing plate 31 is provided with conical baffle 311, the summit arc transition of baffle 311.
As shown in Fig. 4 and Figure 11, multiple right-handed screw stators 32 are located at the upside of dividing plate 31, right-handed screw stator 32 along the radial direction clockwise from the inside to the outside of dividing plate 31, and limits diffusion runner in the upside of dividing plate 31, and the lower end of inlet tube 13 is engaged in agreeing with in groove 320 of multiple right-handed screw stator 32.Thus, inlet tube 13 is engaged on conducting element 3.
As shown in fig. 10 and fig. 12, multiple backpitch stators 33 are located at the downside of dividing plate 31, backpitch stator 33 offsets from the inside to the outside counterclockwise along the radial direction of dividing plate 31, and limit concentrated runner in the downside of dividing plate 31, multiple backpitch stator 33 is supported on housing 14, thus conducting element 3 is supported on housing 14.
As Figure 4-Figure 6, impeller 4 is located in pump chamber 12, and be concentrated to the guiding current downflow extremely outlet 140 of fluid at impeller 4 of pump chamber 12, the shape of the housing 14 of wound impeller 4 is spirality.The central axis of the central axis of central through hole of the central axis of entrance 130, the central axis of housing 14, heating plate 22, the central axis of conducting element 3 and impeller 4 overlaps.
According to the centrifugal pump 100 of the utility model embodiment, utilize pump heater 200 as above, make the compact conformation of centrifugal pump 100, volume is little, improves the space availability ratio of centrifugal pump 100.Meanwhile, heating plate 22 is avoided entrance 130 and is arranged, and can not increase the hydraulic resistance of fluid, and the pump case 1 of wound impeller 4 is designed to spiral-shaped, thus the pump-conveying property of centrifugal pump 100 is good.In addition, the concentrated runner that the diffusion runner utilizing multiple right-handed screw stator 32 to limit and multiple backpitch stator 33 limit, makes fluid along the flowing of larger radius of turn, reduces the bend loss of fluid, and dividing plate 31 radially ecto-entad to lower recess, improve the efficiency of heating surface of fluid.
Describe the pump heater 200 according to the first embodiment of the present utility model in detail referring to Figure 14-Figure 16, be worth understanding, following description is exemplary illustration, and can not be interpreted as restriction of the present utility model.
As shown in Figure 14-Figure 16, according to the pump heater 200 of the utility model embodiment, comprise outer cover 21, heating plate 22 and binding post 7.
Particularly, outer cover 21 comprises cover body 211 and inlet tube 13, on the lower surface that heating plate 22 is arranged on cover body 211 and heating plate 22 is provided with terminal board 8, terminal board 8 exposes from cover body 211, binding post 7 to be arranged in terminal board 8 and to be electrically connected with heating plate 22, inlet tube 13 is one-body molded has entrance 130 on cover body 211, and entrance 130 is communicated with the upper space 201 of cover body 211 and the lower space 202 of heating plate 22.Wherein, heating plate 22 is for having central through hole and the annular heating plate of outer surface thick-film resistor, and central through hole is corresponding with entrance 130 in the vertical direction position.
The inner edge of heating plate 22 is welded the first thermal insulation barriers 61 that the circumference along inner edge extends, and the second thermal insulation barriers 62 that the periphery of heating plate 22 extends along the circumference on upper welding circumferentially edge.Wherein, the cross sectional shape of the first thermal insulation barriers 61 in perpendicular is roughly " L " shape, sealed by the first sealing ring 51 between first thermal insulation barriers 61 and cover body 211, the cross sectional shape of the second thermal insulation barriers 62 in perpendicular is roughly " Z " shape, is sealed between the second thermal insulation barriers 62 and cover body 211 by the second sealing ring 52.
According to the pump heater 200 of the utility model embodiment, by heating plate 22 being arranged on the below of cover body 211 and dodging entrance 130, and at the outer surface thick-film resistor of heating plate 22, thus not only increase space availability ratio and the efficiency of heating surface of pump heater 200, and pumping efficiency can be ensured.
Describe the pump heater 200 according to the second embodiment of the present utility model in detail referring to Figure 17 and Figure 18, be worth understanding, following description is exemplary illustration, and can not be interpreted as restriction of the present utility model.
As shown in Figure 17, Figure 18, according to the pump heater 200 of the utility model embodiment, comprise outer cover 21 and heating plate 22.
Particularly, outer cover 21 comprises cover body 211 and inlet tube 13, heating plate 22 is arranged on the lower surface of cover body 211, inlet tube 13 is one-body molded has an entrance 130 on cover body 211, entrance 130 is communicated with the upper space 201 of cover body 211 and the lower space 202 of heating plate 22, and lower space 202 is stretched in the lower end of inlet tube 13.Wherein, heating plate 22 is for having central through hole and the annular heating plate of outer surface thick-film resistor, central through hole is corresponding with entrance 130 in the vertical direction position, all sealed by the first sealing ring 51 between the inner edge of heating plate 22 and cover body 211 and between the inner edge of heating plate 22 and inlet tube 13, sealed by the second sealing ring 52 between the edge, periphery of heating plate 22 and cover body 211.
According to the pump heater 200 of the utility model embodiment, not only space availability ratio is high, heating effect is good, and can ensure pumping efficiency.
In description of the present utility model, it will be appreciated that, term " " center ", " on ", D score, " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
In the description of this description, specific features, structure, material or feature that the description of reference term " further embodiment ", " some embodiments ", " specific embodiment ", " embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model.In this manual, identical embodiment is not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (10)
1. a pump heater, is characterized in that, comprising:
Outer cover, described outer cover is provided with entrance;
Heating plate, described heating plate is located at the below of described outer cover and dodges described entrance, and described entrance is communicated with the upper space of described outer cover and the lower space of described heating plate.
2. pump heater according to claim 1, is characterized in that, at least one in the upper surface of described heating plate and outer peripheral face is provided with resistive coating.
3. pump heater according to claim 1, is characterized in that, described heating plate is the annular-heating plate with central through hole, and described central through hole is corresponding with described entrance in the vertical direction position.
4. pump heater according to claim 3, is characterized in that, described heating plate is annular heating plate.
5. pump heater according to claim 3, is characterized in that, the inner edge of described heating plate and periphery are along sealing respectively and between described outer cover.
6. pump heater according to claim 5, is characterized in that, the inner edge of described heating plate and periphery are along being sealed by sealing ring respectively and between described outer cover.
7. pump heater according to claim 6, is characterized in that, the inner edge of described heating plate and/or periphery along and corresponding described sealing ring between be provided with thermal insulation barriers.
8. pump heater according to claim 1, is characterized in that, also comprise:
Binding post, described binding post is electrically connected with described heating plate and exposes from described outer cover.
9. pump heater according to claim 8, is characterized in that, described heating plate is provided with terminal board, and described binding post is located in described terminal board.
10. pump heater according to claim 1, is characterized in that, described outer cover comprises:
Cover body, described heating plate is located at the below of described cover body;
Inlet tube, described inlet tube is located on described cover body, and described entrance is located on described inlet tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962954.0U CN205208893U (en) | 2015-09-29 | 2015-11-27 | Heater for pump |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640802.3A CN105156358A (en) | 2015-09-29 | 2015-09-29 | Centrifugal pump |
| CN2015106408023 | 2015-09-29 | ||
| CN201520962954.0U CN205208893U (en) | 2015-09-29 | 2015-11-27 | Heater for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205208893U true CN205208893U (en) | 2016-05-04 |
Family
ID=54797354
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510640802.3A Pending CN105156358A (en) | 2015-09-29 | 2015-09-29 | Centrifugal pump |
| CN201520962954.0U Active CN205208893U (en) | 2015-09-29 | 2015-11-27 | Heater for pump |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510640802.3A Pending CN105156358A (en) | 2015-09-29 | 2015-09-29 | Centrifugal pump |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20180283399A1 (en) |
| EP (1) | EP3358197A4 (en) |
| CN (2) | CN105156358A (en) |
| WO (1) | WO2017054310A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017054310A1 (en) * | 2015-09-29 | 2017-04-06 | 佛山市威灵洗涤电机制造有限公司 | Centrifugal pump |
| CN112797003A (en) * | 2019-11-13 | 2021-05-14 | 广东美的白色家电技术创新中心有限公司 | Heat collecting pump |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570144B (en) * | 2015-12-17 | 2018-03-23 | 广东威灵电机制造有限公司 | Centrifugal pump and the conducting element for centrifugal pump |
| CN105545756A (en) * | 2015-12-17 | 2016-05-04 | 广东威灵电机制造有限公司 | Centrifugal pump |
| US10927847B2 (en) * | 2018-03-21 | 2021-02-23 | Ford Global Technologies, Llc | Coolant pump for an internal combustion engine |
| CN110107504B (en) * | 2019-05-20 | 2021-11-19 | 佛山市顺德区美的洗涤电器制造有限公司 | Heating pump and dish washing machine |
| CN110360156A (en) * | 2019-08-10 | 2019-10-22 | 殷章标 | A kind of use in dishwasher water pump |
| US11808265B2 (en) * | 2019-12-06 | 2023-11-07 | Kinetic Technology Systems, Llc | Energy-conserving fluid pump |
| CN113662486B (en) * | 2020-05-13 | 2022-09-20 | 佛山市威灵洗涤电机制造有限公司 | Heating pump and dish washing machine |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ199682A (en) * | 1982-02-10 | 1985-05-31 | M J Wright | Water pump and heater unit for spa pool |
| DE19858137B4 (en) * | 1998-12-16 | 2016-12-15 | BSH Hausgeräte GmbH | Heating for heating the rinsing liquid in a dishwasher |
| ITVE20050037U1 (en) * | 2005-11-17 | 2007-05-18 | Irca Spa | PUMP FOR DISHWASHER PROVIDED WITH HEATING ELEMENT.- |
| JP4951418B2 (en) * | 2007-06-01 | 2012-06-13 | 株式会社日立産機システム | Multistage centrifugal pump |
| DE102008064099B4 (en) * | 2008-12-19 | 2016-05-04 | Bühler Motor GmbH | Centrifugal pump with a fixed axis |
| CN102748329B (en) * | 2011-04-15 | 2017-02-22 | 德昌电机(深圳)有限公司 | Heat pump |
| CN104105883B (en) * | 2011-12-20 | 2017-03-08 | 苏尔寿管理有限公司 | Method for pumping high viscosity fluids and pump |
| CN104074804A (en) * | 2014-07-11 | 2014-10-01 | 君禾泵业股份有限公司 | Flow guide disk of multistage impeller centrifugal pump |
| CN105317740B (en) * | 2014-07-15 | 2018-03-13 | 佛山市顺德区美的洗涤电器制造有限公司 | Heat-collecting pump for dish-washing machine |
| CN204267377U (en) * | 2014-10-10 | 2015-04-15 | 浙江欧隆泵业有限公司 | A kind of stator |
| CN105370622B (en) * | 2015-09-29 | 2019-01-29 | 广东威灵电机制造有限公司 | Fluid heats pumping installations |
| CN105156358A (en) * | 2015-09-29 | 2015-12-16 | 佛山市威灵洗涤电机制造有限公司 | Centrifugal pump |
-
2015
- 2015-09-29 CN CN201510640802.3A patent/CN105156358A/en active Pending
- 2015-11-27 CN CN201520962954.0U patent/CN205208893U/en active Active
- 2015-12-03 US US15/763,844 patent/US20180283399A1/en not_active Abandoned
- 2015-12-03 EP EP15905222.4A patent/EP3358197A4/en not_active Withdrawn
- 2015-12-03 WO PCT/CN2015/096349 patent/WO2017054310A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017054310A1 (en) * | 2015-09-29 | 2017-04-06 | 佛山市威灵洗涤电机制造有限公司 | Centrifugal pump |
| CN112797003A (en) * | 2019-11-13 | 2021-05-14 | 广东美的白色家电技术创新中心有限公司 | Heat collecting pump |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3358197A4 (en) | 2018-10-03 |
| US20180283399A1 (en) | 2018-10-04 |
| EP3358197A1 (en) | 2018-08-08 |
| CN105156358A (en) | 2015-12-16 |
| WO2017054310A1 (en) | 2017-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205208893U (en) | Heater for pump | |
| US9664414B2 (en) | Dynamic flow heater | |
| CN105020180B (en) | Heat pump and dish-washing machine for dish-washing machine | |
| CN105545756A (en) | Centrifugal pump | |
| CN105370622A (en) | Fluid heating pumping device | |
| CN203835807U (en) | Heating pump for dish washing machine and dish washing machine | |
| US10602905B2 (en) | Heat pump and dishwasher comprising the same | |
| CN208203591U (en) | Pump | |
| CN208203592U (en) | Pump | |
| JP6280219B2 (en) | Plastic hot water boiler | |
| CN205478368U (en) | Centrifugal pump | |
| CN106813375B (en) | Water heater and pipeline electric heating device for water heater | |
| CN210471912U (en) | Heating device and water dispenser with same | |
| CN208203593U (en) | Pump | |
| CN204438536U (en) | A kind of water heater heater and apply the multimode water heater of this heater | |
| CN107017729A (en) | Motor | |
| CN210832520U (en) | Be applied to water pipe of module and the module that generates heat of generating heat | |
| CN220124477U (en) | Liquid heating device and hot drink equipment | |
| CN111720338B (en) | Heating pump and electric appliance | |
| CN211066214U (en) | Heating device and water dispenser with same | |
| CN208203594U (en) | The connection component of the pump of dish-washing machine | |
| CN110529391A (en) | Pump | |
| CN111486586A (en) | Water heater | |
| CN213630922U (en) | Thick/thin film electric heating tube type electric water heater | |
| CN208203598U (en) | The combined type pump housing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |