CN100587275C

CN100587275C - Pumps for spa baths and pools

Info

Publication number: CN100587275C
Application number: CN200510065600A
Authority: CN
Inventors: 德斯蒙德·J·贝里
Original assignee: EDGETEC SYSTEMS Pty Ltd
Current assignee: EDGETEC SYSTEMS Pty Ltd
Priority date: 2004-09-21
Filing date: 2005-04-18
Publication date: 2010-02-03
Anticipated expiration: 2025-04-18
Also published as: AU2004100794A4; CN1752463A

Abstract

A kind of pump (10) for spa baths and pools, including a electromotion motor (20) with a output axis (28), this output axis extrudes and passes through the terminal plate component (28) of the water chamber (13) and connects to the impeller inner the chamber (13), the terminal plate component (28) includes a radiator (104) which combines with the power supply heating element (105), one side of theradiator (104) contacts the water inner the chamber (13) while the other side of the radiator (104) has heating element and do not contact the water.

Description

The pump that is used for hotspring bathtub and bathing pool

Technical field

The present invention relates to be used for the pump of hotspring bathtub and bathing pool, particularly comprise the pump of the device that heats the water that flows through this pump.

Background technique

Tradition hotspring bathtub and hot spring bathing pool electrification driven pump promote water and AIR MIXTURES enters bathtub or bathing pool through adjustable nozzles under pressure.A shortcoming of this assembling is to be easy to substantial heat loss, and it means and is difficult to keep water temperature on the level of wanting.

The pump that is used for hotspring bathtub and bathing pool merges an electric motor usually, and its driving is arranged in the impeller of hydroecium.Usually be that hydroecium supplies water by water intake, allow pressurized water leave pump by water outlet.

Be exactly that these problems have been drawn the present invention.

Summary of the invention

According to an aspect of of the present present invention, a kind of pump that is used for hotspring bathtub or bathing pool is provided, it comprises that one has the electric motor of output shaft, this output shaft is outstanding and pass hydroecium end plate assembly and be connected on the impeller that is housed in the chamber, the end plate assembly comprises a radiator that combines with the electric power heating element, whereby, the one side of radiator is arranged to contact with water in the chamber and heating element is placed in the opposing face of radiator and do not contact with water.

According to of the present invention one further aspect, a kind of pump that is used for hotspring bathtub or bathing pool is provided, comprise that one has the electric motor of output shaft, an end plate of motor is given prominence to and penetrated to this output shaft, this end plate is accommodated the bearing of this output shaft around its rotation, this output shaft extension penetrates the hydroecium terminal surface and is connected to one and is arranged on indoor impeller, and the end plate of electric motor is connected to this terminal surface by physical property (physically) and contacts for actual with it (positive); This terminal surface has the internal water passage, and whereby, the heat of electric motor is conducted in the terminal surface by end plate and enters in the water in the passage in the face endways.

Preferably, terminal surface is made of the plastics that comprise the thermal conductance additive.In a preferred embodiment, the end plate of motor is provided with an annular recess around the adjacent shafts bearing sleeve, and whereby, this terminal surface has the annular protrusion that is arranged in this recess so that the excessive heat of the heat of bearing and electric motor winding is sent to annular protrusion.

Description of drawings

Referring now to accompanying drawing, only to describe the embodiment of the invention for mode for example:

Fig. 1 is the side view of a pump that uses with hotspring bathtub and hot spring bathing pool;

Fig. 2 is the end elevation of this pump;

Fig. 3 is the sectional view along the pump of A-A line among Fig. 2;

Fig. 4 is the perspective view of the outside of motor end plate;

Fig. 5 is the perspective view of radiator, and this radiator is suitable for being placed in the end plate of motor;

Fig. 6 is the perspective view of the radiator seen from Fig. 5 opposition side;

Fig. 7 is the end elevation according to the hydroecium of another embodiment's pump;

Fig. 8 is the sectional view along B-B line among Fig. 7;

Fig. 9 is the perspective view of the heater assembly of a formation hydroecium part; And

Figure 10 is the section that passes this assembly.

Embodiment

As depicted in figs. 1 and 2, a pump 10 that is used for hotspring bathtub or bathing pool has the cylindrical housing of an outside, and this shell mainly is split into four parts, and promptly an electric motor shell is installed the hydroecium shell 13 that fan drum 12 at one end reaches at the other end.Capacitor case 14 is installed on the top of motor, and accommodates the electric parts and the circuit of drive motor.Fan drum 12 is accommodated fan 15, and this fan is extended back by one and the output shaft 16 that is connected to the rotor 17 of motor 20 drives.Rotor 17 also comprises an outstanding forward output shaft 25, and

diaxon

16,25 is mounted to rotate around bearing unit 26,27.

Bearing unit

26,27 is installed in respectively in the end plate 28,29.Hydroecium shell 13 comprises that one has the main body 30 of front-end face 31 and terminal surface 32, and it engages with motor end plate 29 sealings.As shown in Figure 3, motor 20 is equipped with rotor 17, and in order to rotate around a lamination (laminated) stator 18, this stator is twined by winding 19 again.

As depicted in figs. 1 and 2, the front-end face of hydroecium 13 have one by outside thread (threaded) sleeve (sleeve) 34 around inlet hole 33.Parallel with inlet hole 33 and settle thereon be exit orifice 35, its also by an external thread sleeve 36 around.The top of hydroecium main body 30 is provided with one second water out hole 37, its also by an external thread sleeve 38 around.The axle that two

exit orifices

35,37 are installed to be them is vertical mutually, and the structure (provision) of two outlets has improved the diversity of pump mounting point and abolished the needs in T type spare and the water inlet pipe.Understandable, the user of pump may use two

exit orifices

35,37 maybe may block a hole on the screw thread outer rim by twisting the cap of remaining silent (close ended cap).One exit orifice 35 is in the end wall of hydroecium 13 and another exit orifice 37 this fact in sidewall has been improved the diversity that pump and relevant water pipe are connected and abolished needs to the T type spare of heaviness.

As shown in Figure 3, the front end of output shaft 25 is by the center of screw thread couple to vaned impeller 40.Shaft seal assembly 41 is between impeller 40 and hydroecium terminal surface 32 and guarantee that blade 40 is for to be installed on the output shaft 25 to free-running operation in hydroecium.The Sealing 42 that black box 41 also spills from hydroecium through running shaft in conjunction with an anti-sealing.Hydroecium inside is a hyperbaric chamber 45 that profile is suitable, its guiding from the entry of inlet hole 33 to vaned rotor 40 to be accelerated and to be discharged from one or two

exit orifice

35,37.

Interface between the terminal surface 32 of the end plate 29 of motor case 11 and hydroecium 13 is designed especially so that the terminal surface of hydroecium 32 moves as radiator, draw heat and draw excessive heat with the bearing 27 from output shaft 25 from the motor coil 19 of electric motor 20, and heat transfer in circuit water in hydroecium.Be shown specifically to Fig. 5 as Fig. 4, the end plate 29 of motor case 11 has a central opening 50, and output shaft 25 extends through this opening.Central opening 50 is positioned in annular recess 51 central authorities, and this recess accommodates the outer ring of bearing 27 so that contacting with the annular wall direct physical of recess 51 on every side of bearing outer ring.As shown in Figure 3, end plate 29 has a peripheral outer lips 52, and it suits to become parallel in abutting connection with contact with the outer wall of hydroecium shell 13.End plate has an annular wall 53, and it is connected to peripheral outer lips 52 with recess 51.

Fig. 5 and Fig. 6 illustrate the terminal surface 32 of hydroecium shell 13 from the two sides.The outer surface of terminal surface 32 shows that in Fig. 5 it comprises the central shell 55 of a back shaft black box 41, and the output shaft 25 of motor extends through this shaft seal assembly.One annular ridge jaggy (land) 56 is suitable for parallel in abutting connection with contact with 53 one-tenth of the annular wall of motor end plate 29 fronts.As shown in Figure 6, the opposing face of annular ridge 56 comprises a water channel 57 that is separated by many baffle plates 58.The notch part 59 of annular ridge 56 is positioned the bottom of assembly as shown in Figure 3, and allow the water that may spill from hydroecium shell 13 to spill through the shaft seal 42 of motor, discharge from pump 10 with the little opening bottom joint between motor case 11 and hydroecium 13.As shown in Figure 3, the terminal surface 32 of hydroecium is an entity, and it serves as the radiator that heat is imported to the hydroecium terminal surface from the electric motor end plate.On the axle 25 that one throwing water ring packing ring 61 is installed between terminal surface 32 and the end plate 29, to guide any water that spills radial process Sealing 42 and to lead to tap hole 60.

As shown in Figure 3, terminal surface 32 is quite thick, and preferably by plastic, and these plastics are injected into a thermal conductance additive that improves the parts thermal conductivity in fact.Water channel 57 on face 32 front sides is housed in circulating water in the hydroecium to draw heat to water from radiator (and terminal surface 32) endways, by this way, the heat that is produced by bearing 27 on the output shaft 25 and coil 19 by electric motor of significant proportion is absorbed by two motor end plate 29 and the hydroecium terminal surfaces 32 that serve as radiator.

By this way, the bearing 27 on motor 20 working surfaces is maintained at preferred operating temperature, and the heat that this meeting is otherwise lost is absorbed by the water that pump advances hotspring bathtub or bathing pool.At the fan 15 of motor front end remainder, although and guarantee that anhydrous mobile motor 20 can also move in chamber 13 in order to cooling motor.Do not have the situation that flows and relate to low motor current, low motor current causes intensification low in the motor.Full current practice equals high motor current and the high intensification in motor.Interface between motor 20 end plate 29 and hydroecium 13 terminal surfaces 32 and middle matching relationship are conducted heat go out from bearing 27 and motor winding 19 to guarantee that the both serves as by well-designed, to the radiator of motor cooling.

At Fig. 7 in the embodiment of Figure 10, inner support one heating module 100 of the terminal surface 32 of hydroecium 13, it comprises that one has the corrosion resistant plate 101 of a circumferential flange 102, this flange is sealed to the inside of hydroecium 13 by O shape ring (not shown).Radial inner 103 and shaft seal assembly 41 of corrosion resistant plate connect merges into sealing engagement.The outside of plate 101 is glued to an aluminum annular radiator 104, and this radiator supports again and is contained in an arc electric device 105 that has in the sheath 109 of wedge shape section.

The element sheath 109 that shows in Fig. 9 and Figure 10 does not form closed ring, and electrical heating elements 105 finishes in terminal 106 and 107, and this two terminal is set at indentation, there, at the opposing ends place of sheath 109.Terminal 106,107 is suitable for being connected to a primary power supply so that a virtual voltage and electric current can be sent to heating element and produce sizable heating power that adds, and this adds heating power and is passed in the hydroecium 13 by element sheath 109, Aluminium Radiator 104 and corrosion resistant plate 101.Electric device is designed in 700 watts of operations down, though will be understood that they can be 3 kilowatts of operations down.

The terminal surface 32 of the rear portion of heating element 105 and hydroecium 13 separates to provide an air clearance to reduce the heat that conducts to electric motor 20 there.

Fig. 8 also demonstrates a thermostat 110, and it is at the power supply of specified temp cut-out heater 100, and a pressure transducer 111, if water does not flow in hydroecium 13, it also cuts off the electric power of heater 100.

Drawn heat and heat these water from electric device rapidly through the current meeting of corrosion resistant plate internal surface by the water of impeller-driven, thereby and avoid the overheated possibility that causes damage of the bearing by overheated that reduced in the space between the end plate 29 of the terminal surface 32 of hydroecium 13 and motor 20.

By this way, this pump not only has by rotary blade feedwater pressurization makes its means by hydroecium, also comprises an electric device, and it compensates other the heat loss that can take place during in operation when hot spring by the water in the conduction heating cabinet.When water was driven by hydroecium under pressure by pump, water also was heated by this electric device.

Though it is not shown in the diagram, but the embodiment who it will be appreciated that Fig. 1 to Fig. 6 and Fig. 7 to Figure 10 can make up, the end plate 29 of the terminal surface 32 of hydroecium 13 and motor 20 can be designed to take away from bearing 27 radiator of heat like this, simultaneously hydroecium can comprise that also one combines with terminal surface 32 but the electrical heating elements of the outside of the part that wets at hydroecium, and the radiator that heats terminal surface is so that heat can import in the water by terminal surface.

Claims

1. pump that is used for hotspring bathtub or bathing pool comprises:

One has the electric motor (20) of an output shaft (25), the end plate (29) that this output shaft is given prominence to and passed electric motor (20), this end plate (29) comprises a shell, this shell comprises a bearing (27), this output shaft (25) is around this bearing rotation, this output shaft (25) extends through a terminal surface (32) of a hydroecium (13) and is connected to an impeller (40) that is arranged in the hydroecium (13), it is characterized in that: the end plate (29) at electric motor is provided with an annular wall around this shell (53), whereby, this terminal surface (32) has an annular protrusion in abutting connection with this annular wall (53) (56), so that the heat of bearing (27) is sent to annular protrusion (56); This annular protrusion (56) has the internal water passage, and whereby, the heat that comes from electric motor (20) is conducted by end plate (29), and to enter terminal surface (32) interior and enter the water in the internal water passage.

2. pump as claimed in claim 1 is characterized in that, terminal surface (32) is made of the plastics that comprise the thermal conductance additive.

3. pump as claimed in claim 1 or 2 is characterized in that, electric power heating element (105) is placed between the end plate (29) of the terminal surface of hydroecium (13) and electric motor (20).

4. pump as claimed in claim 3, it is characterized in that, this terminal surface comprises a radiator, and whereby, the one side of this radiator (104) is arranged to contact with water in the hydroecium (13) and electric power heating element (105) is placed in the opposing face of radiator (104) and do not contact with water.

5. pump as claimed in claim 4 is characterized in that, this terminal surface (32) comprises a thermostat (110), and when reaching a predetermined temperature, this thermostat is cut to the electric power of electric power heating element (105).

6. pump as claimed in claim 4 is characterized in that, terminal surface (32) comprises a pressure sensitive switch (111), and when flowing in hydroecium (13), this pressure sensitive switch is closed the electric power that is sent to electric power heating element (105) when anhydrous.