CN110131177A - AC permanent magnet protected type booster pump - Google Patents
AC permanent magnet protected type booster pump Download PDFInfo
- Publication number
- CN110131177A CN110131177A CN201910497207.7A CN201910497207A CN110131177A CN 110131177 A CN110131177 A CN 110131177A CN 201910497207 A CN201910497207 A CN 201910497207A CN 110131177 A CN110131177 A CN 110131177A
- Authority
- CN
- China
- Prior art keywords
- tube body
- housing
- upper casing
- permanent magnet
- booster 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.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 230000006698 induction Effects 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000009841 combustion method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
-
- 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
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of AC permanent magnet protected type booster pumps, including upper casing, lower casing, motor, housing, tube body, pressure switch component whether being flowed for fluid in induction tube body and control the water flow switch component of motor start and stop and control electric motor starting for hydraulic variation in induction shield pump, lower casing is connected with upper casing lower part, with inlet, chamber and liquid outlet, motor includes stator and rotor, the multiple stators being sequentially stacked from top to bottom are equipped between upper casing inner wall and housing outer wall, rotor is located in housing and has gap between housing, tube body is connected with the inlet of lower casing or liquid outlet.The present invention had both solved that when hydraulic pressure is inadequate in the pump housing, the idle problem of water flow switch component also solves the problems, such as pressure switch component control motor frequent starting and dry combustion method by the cooperation of water flow switch component and pressure switch component.
Description
Technical field
The present invention relates to a kind of protected type booster pumps, and in particular to a kind of AC permanent magnet protected type booster pump.
Background technique
Canned motor pump is a kind of by high-speed rotating impeller, and liquid obtains energy under the action of centrifugal inertial force to improve pressure
Strong equipment.Chinese utility model patent such as Patent No. ZL201721235744.7 (notification number CN207634335U) is public
Shown in " the shielding circulating pump " opened, including plastic packaging motor, the pump housing connecting with plastic packaging motor, setting is fixed in the plastic packaging motor
Axis and the rotor assembly being placed in the fixing axle, the field frame assembly for being set to the rotor assembly periphery turn described in isolation
The housing of sub- assembly and field frame assembly, it is characterised in that described fixing axle one end is inserted in the pilot hole of the housing,
The other end is inserted in the pilot hole of the pump housing, and at least one end of the fixing axle is formed with corresponding pilot hole by fastener
Rotation stop cooperation.
In the water pump of most types, it will usually pressure switch be installed in the water outlet of the pump housing, pressure switch is to be used for
Perceive pipeline in it is hydraulic, in tube body it is hydraulic be higher than setting value when, cut off pump motor power supply, motor stalls, in pipe
In road it is hydraulic be lower than setting value when, connect the power supply of motor.It such as in weep, there are flowing out, pump startup, but because of water flow
Output is small, and manifold pressure moment can be made to become larger, and motor is shut down at once, and weep continues to flow out and make pump startup, so recycles
Cause the frequent starting of pump, then it is stuck by foreign matter just like impeller in water head site water shortage or water pump when, at all without flow in pipeline,
The mechanical seal of water pump can be destroyed in both cases or makes motor rotation blockage dry combustion method, motor can be damaged.
And the structure that can prevent motor frequent starting and dry combustion method is not yet provided in current AC permanent magnet canned motor pump.
Or water flow switch is only equipped in existing water pump, but the situation inadequate in hydraulic pressure of the tap water to water supplying pump
Under, water flow switch is because of the water flow impact pressure being subject to not enough greatly without working.
Summary of the invention
The technical problem to be solved by the invention for the present situation of prior art is to provide one kind can effectively solve motor frequency
The AC permanent magnet protected type booster pump of numerous starting or dry combustion method.
The technical scheme of the invention to solve the technical problem is: a kind of AC permanent magnet protected type booster pump, packet
It includes
Upper casing；
Lower casing is connected with upper casing lower part, has inlet, chamber and liquid outlet, and the inlet passes through chamber and liquid out
Mouth is connected；
Motor, including stator and rotor；
Housing is located in upper casing, and more equipped with being sequentially stacked from top to bottom between upper casing inner wall and housing outer wall
A stator, the rotor are located in housing and have gap between housing；
It is characterized in that, further including having
Tube body is connected with the inlet of the lower casing or liquid outlet；
Water flow switch component is set in tube body, is flowed for fluid in induction tube body and is controlled motor start and stop；
Pressure switch component, whether controlling electric motor starting for hydraulic variation in induction shield pump.
The water flow switch component can have a variety of structures form, it is preferable that the water flow switch component includes
Spool along the axially extending of tube body and tube body can move axially relatively；
First elastic component acts on spool and spool is made to remain turned-off the inlet of lower casing or the trend of liquid outlet；
First switch can control motor start and stop with the movement of spool.
The pressure switch component can have a variety of structures form, it is preferable that the tube body is set at the liquid outlet of lower casing
And be connected with aforementioned liquid outlet, holding part is radially formed on the peripheral wall of the tube body, the pressure switch component is placed in
Holding part it is interior intracavitary, the through-hole being connected to the inner cavity of holding part is offered on the tube body, the pressure switch component includes
Diaphragm has flexible deformation portion, and along water (flow) direction, aforementioned flexible variant part is opposite with the through-hole on tube body and is located at
The downstream of through-hole, and the flexible deformation portion can be generated under water flow pressure effect towards the deformation far from through-hole direction protrusion；
Valve rod can be moved axially along the axially extending of holding part and in holding part, one end of valve rod always with diaphragm
The contact of flexible deformation portion；
Second elastic component, acts on valve rod, and valve rod is made to keep the trend towards through-hole direction ejection diaphragm；
Second switch, whether electric motor starting capable of being controlled with the movement of valve rod.
Preferably, the first switch includes the first magnetic part on the spool and the in the side wall of tube body
One trigger switch, the first magnetic part and the cooperation of the first trigger switch are to control motor start and stop；The second switch includes being set to valve
The second magnetic part on bar and the second trigger switch on holding part, the second magnetic part and the second trigger switch cooperate with
Whether controlling electric motor starting.First switch may be microswitch or optoelectronic switch, be triggered by spool；Second switch can also be with
For microswitch or optoelectronic switch, triggered by valve rod.
In order to enable diaphragm only has part can be mobile when by water flow pressure and generates deformation, the holding part it is interior
Intracavitary to be equipped with pressure cylinder, aforementioned pressure cylinder is disposed around the periphery of valve rod, and the outer periphery of the diaphragm is pressed in one end and the appearance of pressure cylinder
It sets between the bottom wall in portion.Otherwise it after diaphragm is moved integrally by water flow pressure, is not necessarily capable of resetting to initial position, will lead to film
Piece again by water flow pressure when cannot effectively push valve rod mobile, cause effectively cooperate between valve rod and second switch
Or cooperation failure.
In order to guarantee good cooperation between valve rod and diaphragm, the through-hole of flexible deformation portion towards the tube body of the diaphragm is recessed
It falls into and forms recessed portion, the end of the spool is placed in the recessed portion, so that flexible deformation portion is by water flow pressure deformation
When valve rod can be pushed mobile, and valve rod can also push diaphragm when resetting, and guarantee that diaphragm is reset to initial position.
For the ease of pressure switch component and water flow switch component to be installed in canned motor pump, the tube body can be torn open with lower casing
It is connected with unloading, after so can assembling pressure switch component and water flow switch component in tube body, then is connected with the pump housing, and
And if pressure switch component or water flow switch component break down, and are also convenient for detachable maintaining；To be easily installed pressure switch component,
The holding part includes that radially molding branch pipe and the lid being covered on branch pipe, the branch pipe and lid cooperate with shape along tube body
At the inner cavity, after so pressure switch component being assemblied in branch pipe, then lid is covered.
For the ease of housing, upper casing and lower casing three are connected, the housing is cylindrical in shape, and the upper casing is in lower end
Open tubular, the housing protrudes into upper casing from the open end of upper casing, and the housing lower part is formed by its periphery
Extend outwardly and be located at the attachment base between upper casing and lower casing, the upper casing and lower casing are connected with the attachment base.If not connecting
Joint chair then needs for housing, upper casing and lower casing to be connected two-by-two, causes assembly work cumbersome, and needs to be arranged more company
Binding structure (such as connecting hole), increases the difficulty of processing of component；Be arranged attachment base after, because attachment base and housing one at
Type, therefore upper casing and lower casing only need to be correspondingly connected with to seat installation, then three is disposably connected by fastener, is simplified
The dismounting step of three.
In order to improve the assembly precision of booster pump, the attachment base includes ring bodies and circumferentially takes shape in ring bodies
At least two first connecting portions of periphery are equipped with the first connecting hole in each first connecting portion, and the upper casing lower end is placed in
On ring bodies, circumferentially forms on the upper casing periphery wall and connect with first connecting portion one-to-one at least two second
Portion, is equipped with the second connecting hole in each second connecting portion, circumferentially arranged with a pair of with the first connecting hole one on the lower casing
At least two third connecting holes answered, corresponding first connecting hole, the second connecting hole and third connecting hole are connected by fastener.
Such first connecting hole, the second connecting hole and third connecting hole have multiple, guarantee to fill between lower casing, upper casing and housing three
With secured, prevent three from generating displacement in the assembled condition, influence the normal work of canned motor pump.
In order to further increase housing, upper casing and the connectivity robustness of lower casing, the ring bodies includes along housing week
The extension and the annular ring vertically extending by extension periphery, the first connecting portion that edge extends radially outwardly take shape in ring
Shape circle periphery, the lower part of the upper casing and annular ring offset and are equipped with the first sealing ring therebetween, improve housing and upper
The connectivity robustness of shell, and prevent having gap that impurity is caused to enter therebetween；The top of the lower casing offsets with annular ring
And it is equipped with the second sealing ring therebetween, the connectivity robustness of housing and lower casing is improved, and prevent between having therebetween
Gap causes medium to flow out.
Compared with prior art, advantages of the present invention: the present invention passes through setting water flow switch component and pressure switch component,
When tap is opened, hydraulic pressure changes a lot in canned motor pump, and pressure switch component experiences variation in water pressure, sends a signal to
Motor simultaneously takes the lead in starting motor.Motor after actuation, pumps intracorporal water flow and pushes spool, the first magnetic part triggering on spool
First trigger switch, after electric motor starting, insisting on for water jet propulsion spool is renewed, and guarantees that the first trigger switch is in always
On state makes motor be in normal operation always；When tap is closed, valve core reset, the control of the first trigger switch
Motor is closed, and motor disconnecting circuit is shut down.By the cooperation of water flow switch component and pressure switch component, both solved in the pump housing
When interior hydraulic pressure is inadequate, the idle problem of water flow switch component, also solve pressure switch component control motor frequent starting and
The problem of dry combustion method.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the decomposition diagram of Fig. 1；
Fig. 3 is the further decomposition diagram of Fig. 2；
Fig. 4 is the cross-sectional view of Fig. 1；
Fig. 5 is enlarged drawing at the A of Fig. 4；
Fig. 6 is the schematic diagram for removing tube body, water flow switch component, pressure switch component in Fig. 5；
Fig. 7 is the exploded structural schematic diagram of Fig. 6；
Fig. 8 is the structural schematic diagram of the upper casing in Fig. 7；
Fig. 9 is the structural schematic diagram of the lower casing in Fig. 7；
Figure 10 is the structural schematic diagram of the other direction of Fig. 9.
Figure 11 is the structural schematic diagram of the housing and attachment base in Fig. 7；
Figure 12 is the structural schematic diagram of the other direction of Figure 11.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Fig. 1~12, the AC permanent magnet protected type booster pump of this preferred embodiment includes the pump housing and tube body 6, pump
Body includes upper casing 1, lower casing 2, housing 3, attachment base 5, motor and impeller, and upper casing 1 and housing 3 are cylindrical in shape, and housing 3 is certainly
The lower part open end of upper casing 1 is protruded into upper casing 1, and 3 lower part of housing, which forms, is extended outwardly by its periphery and be located at upper casing 1 under
Attachment base 5 between shell 2, upper casing 1 and lower casing 2 are connected with the attachment base 5.
Motor includes stator 31 and rotor 32, is equipped between 3 outer wall of 1 inner wall of upper casing and housing and is sequentially stacked from top to bottom
Multiple stators 31, rotor 32 is located in housing 3 and has gap between housing 3.
As shown in Fig. 1~5,9,10, lower casing 2 has inlet 2a, chamber 2b and liquid outlet 2c, inlet 2a and chamber 2b
Bottom be connected, the runner 2d being connected with liquid outlet 2c is circumferentially offered on the peripheral wall of chamber 2b.Lower casing 2 and tube body 6
Removedly it is connected, and liquid outlet 2c is connected with tube body 6, its interior fluid flowing can be incuded and control by being equipped in the tube body 6
The water flow switch component 7 of the motor start and stop of canned motor pump, and be additionally provided at the tube body 6 through variation control hydraulic in induction tube body 6
Pressure switch component 8 whether the electric motor starting of canned motor pump processed.Pressure switch component 8 mainly controls the initial of the motor of canned motor pump
Starting, certain pressure switch component 8 can realize leak protection and booster protection etc. by the programming to single-chip microcontroller, i.e., in leak
Or motor is controlled under the abnormalities such as booster and is stopped working；Water flow switch component 7 can incude water flow flowing in tube body 6 and control electricity
Whether machine start and stop, water flow switch component 7 not only controls the starting of motor, also controls motor stopping working in normal state,
So-called normal condition refers to that there is no the abnormalities such as leak or booster.
Wherein water flow switch component 7 includes spool 71, the first elastic component 72 and first switch, in the present embodiment, spool
71 along the axially extending of tube body 6 and the opposite tube body 6 of energy moves axially, and central part 751 is equipped in tube body 6 and by central part 751
At least two radiation items 752 that periphery radially outward radiates and is connected with the inner wall of tube body 6, two neighboring radiation item 752 is in
The interval of center portion 751 is configured so that water flow and passes through, and the pilot hole to the motion track guiding of spool 71 is offered on central part 751
753, towards the liquid outlet 2c of lower casing 2, the second end of spool 71 is actively located in pilot hole 753 for the first end of spool 71, valve
Core 71 keep down under the effect of the first elastic component 72 shell 2 liquid outlet 2c it is mobile and close the trend of liquid outlet 2c.
Position on spool 71 close to its first end radially forms flange 76, and the first elastic component 72 is spring, both ends
Bear against flange 76 and radiation item 752.
First switch includes the first magnetic part 73 on spool 71 and the first triggering in the side wall of tube body 6
Switch 74 offers the accommodation groove 741 for the accommodating of the first trigger switch 74, the first magnetic part referring to fig. 2 on the side wall of tube body 6
73 and first trigger switch 74 cooperate to control motor start and stop, the first magnetic part 73 is magnet, and the first trigger switch 74 is dry spring
Pipe.
In the state of in the liquid outlet 2c that the first end of spool 71 is located at lower casing 2 and closing liquid outlet 2c, first is magnetic
Part 73 does not incude the first trigger switch 74, and the first trigger switch 74 does not control motor work, in spool 71 in flow action lower edge
Under the flow direction moving condition of water flow (in the state of being moved towards the liquid outlet 2c far from lower casing 2), the first trigger switch 74
When sensing the first magnetic part 73, the first trigger switch 74 control motor is in starting state always.
Holding part 80 is radially formed on the peripheral wall of tube body 6, which includes along the radial molding branch pipe of tube body 6
802 and the lid 803 that is covered on branch pipe 802, lid 803 extend partially into branch pipe 802 and the inner wall and lid of branch pipe 802
The connection of 803 outer wall threads, branch pipe 802 and lid 803 cooperatively form the inner cavity 801 for accommodating pressure switch component 8, tube body 6
On offer the through-hole 61 being connected to the inner cavity 801 of holding part 80.
Pressure switch component 8 includes diaphragm 81, valve rod 82, the second elastic component 83, pressure cylinder 85 and second switch, and diaphragm 81 has
The through-hole 61 of flexible variant part, the flexible deformation portion towards tube body 6 is recessed and forms recessed portion 811, recessed portion 811 and tube body
Through-hole 61 on 6 is opposite, and along water (flow) direction, flexible deformation portion is located at the downstream of through-hole 61, and flexible deformation portion is by certainly
The water flow pressure effect of through-hole 61 is lower can be generated towards the deformation far from 61 direction protrusion of through-hole.Certainly, diaphragm 81 can also be whole
Body has elasticity.
Valve rod 82 is along the axially extending of holding part 80 and can move axially in holding part 80, and the first end of valve rod 82 is always
It contacts and is located in the recessed portion 811 of diaphragm 81 with diaphragm 81, the second end sliding of valve rod 82 is inserted in guide groove 804, should
Guide groove 804 is opened on lid 803 and the axis of guide groove 804 is parallel with the axis of valve rod 82 or is overlapped.
Along water (flow) direction, valve rod 82 includes the large diameter portion and small diameter portion being sequentially connected, and the second elastic component 83 is spring and two
End bears against the large-diameter portion and lid 803 of valve rod 82, so that valve rod 82 is kept towards 61 direction ejection diaphragm 81 of through-hole
Trend.
Pressure cylinder 85 is set in the inner cavity 801 of holding part 80, which is disposed around the periphery of valve rod 82, which is covered
Body 803 compresses to be pressed in the outer periphery of diaphragm 81 between pressure cylinder 85 and the bottom wall of holding part 80.
Second switch includes the second magnetic part and the second trigger switch, and referring to Fig. 3, valve rod 82 is equipped with the second magnetic of accommodating
The accommodating cavity 821 of property part offers the slot 805 plugged for the second trigger switch on lid 803, and offers on lid 803
The wire guide 806 being connected to the inner cavity 801 of holding part 80, in order to be routed.Second magnetic part and the second trigger switch cooperate with
Whether controlling electric motor starting, the second magnetic part is magnet, and the second trigger switch is magnetic field strength detection device.
When the flexible deformation portion of diaphragm 81 is impacted by water flow pressure, the recessed portion 811 of diaphragm 81 can be towards far from tube body 6
The direction of through-hole 61 heave, the diaphragm 81 heaved pushes valve rod 82 towards mobile, 83 quilt of the second elastic component far from 61 direction of through-hole
Compression；When the flexible deformation portion of diaphragm 81 is become smaller by water flow pressure, recessed portion 811 can be resetted towards through-hole 61, at this time valve
Bar 82 resets under the action of the second elastic component 83.
In 82 moving process of valve rod, the magnetic field strength for the second magnetic part that the second trigger switch detects changes,
And processed via the processor that the second trigger switch sends the canned motor pump intelligence sensor to, with by processor according to magnetic field
Hydraulic pressure value is calculated in the variation of intensity；When the current hydraulic pressure value of processor judgement gained is higher than preset value, processor is just
The motor power of order cutting canned motor pump, so that motor stalls；When the current hydraulic pressure value of processor judgement gained is lower than preparatory
When setting value, processor command connects the motor power of canned motor pump, so that electric motor starting rotates.
Wherein, the second trigger switch is wired to processor in the present embodiment.
In the present embodiment, along water (flow) direction, tube body 6 is set to the downstream of lower casing 2, and water flow switch component 7 is located in tube body 6,
Holding part 80 for accommodating pressure switch component 8 takes shape in tube body 6；Certainly, tube body 6 can also be set to the upstream of lower casing 2
It is connected with the inlet 2a of lower casing 2, the spool 71 of water flow switch component 7 can close the inlet 2a of lower casing at this time, but press
Power switch block 8 need to be always positioned at the downstream of lower casing 2, cannot form for accommodating the holding part 80 of pressure switch component 8 at this time
In on tube body 6, this design method relative to the water flow switch component 7 of the present embodiment and the design method of pressure switch component 8,
Structure is not compact enough, cannot after water flow switch component 7 and pressure switch component 8 are assembled, disposably with 2 phase of lower casing
Even.
The operation principle and process of the shielding booster pump of the present embodiment is as follows:
When tap in the water outlet of tube body 6 is opened, hydraulic pressure changes a lot in tube body 6, and pressure switch component 8 is felt
By variation in water pressure, sends a signal to motor and take the lead in starting motor.
Motor after actuation, pumps intracorporal water flow and pushes spool 71, the first magnetic part 73 triggering first on spool 71
Trigger switch 74, after electric motor starting, insisting on for water jet propulsion spool 71 is renewed, and guarantees that the first trigger switch 74 is located always
In on state, motor is made to be in normal operation always, thus be avoided that motor frequent starting, while guaranteeing that water yield is stablized
Output.
As long as under water pump normal operating conditions, after water flow passes through water flow switch component 7, the first magnetic part on spool 71
73 trigger the first trigger switch 74 always, and control motor works normally, and water flow is flowed out via tube body 6.
When tap is closed, hydraulic balance in the pump housing and tube body 6, spool 71 can reset simultaneously under the effect of the first elastic component 72
The liquid outlet 2c of lower casing 2 is blocked, motor disconnecting circuit is shut down, and thoroughly solves the problems, such as the frequent starting of motor in this way, effectively
Protect motor；And state of pressure keeping is in tube body 6 at this time, when next tap is opened, the hydraulic pressure in tube body 6 becomes
Change, pressure switch component 8 experiences variation in water pressure, sends a signal to motor and take the lead in starting motor.
As figures 6 to 12 show, attachment base 5 includes ring bodies 50 and at least two first connecting portions 51, and ring bodies 50 wraps
The extension 52 and the annular ring 53 vertically extending by 52 periphery of extension to extend radially outwardly along 3 periphery of housing is included, it is more
A first connecting portion 51 is circumferentially spaced to take shape in 53 periphery of annular ring, is equipped with the first connecting hole in each first connecting portion 51
511, circumferentially form on the periphery wall of upper casing 1 with one-to-one at least two second connecting portion 11 of first connecting portion 51,
It is equipped with the second connecting hole 111 in each second connecting portion 11, is corresponded on lower casing 2 circumferentially arranged with the first connecting hole 511
At least two third connecting holes 22, corresponding second connecting hole 111 of each first connecting hole 511 and a third connecting hole
22, the first connecting hole 511, the second connecting hole 111 and the third connecting hole 22 being correspondingly arranged are connected by fastener 512.Fastening
Part 512 can be bolt and nut, and bolt is threaded through the first connecting hole 511, the second connecting hole 111 and third connecting hole 22
It is interior, it is then locked by nut, realizes that housing 3, upper casing 1 are connected with lower casing 2.In addition, the roof of upper casing 1 is equipped with downwards
The locating piece 14 of extension, the roof of housing 3 are equipped with the locating slot 35 that can accommodate locating piece 14.
The lower part of upper casing 1 and annular ring 53 offset and are equipped with the first sealing ring A1 therebetween.The inner sidewall of annular ring 53
On offer the first groove 533 for extending to 53 upper surface of annular ring, the lower part of upper casing 1 is equipped with to be radially extended along its periphery wall
First flange 12 and second flange 13 vertically extending along its internal perisporium, second connecting portion 11 take shape in outside the first flange 12
Week, the first flange 12 are against the upper surface of annular ring 53, and the second flange 13 is against on the inner wall of annular ring 53, the first flange 12,
Second flange 13 and the first groove 533 enclose the first accommodating space a for accommodating the first sealing ring A1.
In addition, the upper surface of annular ring 53 is equipped with the first limited block 531 for upwardly extending, offered on the first flange 12 with
First limiting slot 121 of the first limited block 531 limit cooperation, the first limited block 531 and the cooperation of the first limiting slot 121 prevent upper casing
1 and housing 3 generate opposite circumferentially rotate.
The top of lower casing 2 and annular ring 53 offset and are equipped with the second sealing ring A2, the lateral wall of annular ring 53 therebetween
On offer the second groove 534 of the L-type for extending to 53 lower end surface of annular ring, have on lower casing 2 and be sequentially connected from bottom to top
Three-level step, the two sidewalls of the second groove 534 are against respectively on first order step 24a and third level step 24c, so that the
Two groove 534 and second level step 24b enclose the second accommodating space b for accommodating the second sealing ring A2.
In addition, the periphery wall of annular ring 53 is equipped with the second limited block 532 to extend radially outwardly, the upper surface of lower casing 2
Offer the second limiting slot 23 with the limit cooperation of the second limited block 532, second limiting slot 23 and third level step 24c phase
Even, the second limited block 532 and the cooperation of the second limiting slot 23 prevent lower casing 2 and housing 3 from generating opposite circumferentially rotate.
The first mounting post 21 upwardly extended is formed in the chamber 2b of lower casing 2, offers first in the first mounting post 21
Mounting groove 211 forms the second mounting post 33 extended downwardly on the roof of housing 3, is offered in the second mounting post 33
Two mounting grooves 331, the both ends of fixing axle 4 are respectively arranged in the first mounting groove 211 and in the second mounting groove 331.In fixing axle 4
Successively turning set is equipped with bearing 91, impeller shaft 92 and the rotor 32 being respectively positioned in housing 3 from inside to outside, and 92 lower part of impeller shaft connects
It is connected to impeller blade 93 and the two constitutes impeller, impeller blade 93 protrudes into chamber 2b and is disposed around 21 periphery of the first mounting post, impeller
There is spacing between piece 93 and the first mounting post 21.
Claims (10)
1. a kind of AC permanent magnet protected type booster pump, including
Upper casing (1)；
Lower casing (2) is connected with upper casing (1) lower part, has inlet (2a), chamber (2b) and liquid outlet (2c), the inlet
(2a) is connected by chamber (2b) with liquid outlet (2c)；
Motor, including stator (31) and rotor (32)；
Housing (3) is located in upper casing (1), and is equipped with from top to bottom successively between upper casing (1) inner wall and housing (3) outer wall
Stacked multiple stators (31), the rotor (32) are located in housing (3) and have gap between housing (3)；
It is characterized in that, further including having
Tube body (6) is connected with the inlet (2a) of the lower casing (2) or liquid outlet (2c)；
Water flow switch component (7) is set in tube body (6), controls motor start and stop for incuding the interior fluid flowing of tube body (6)；
Pressure switch component (8), whether controlling electric motor starting for variation hydraulic in induction shield formula booster pump.
2. AC permanent magnet protected type booster pump according to claim 1, it is characterised in that: the water flow switch component (7)
Including
Spool (71) along the axially extending of tube body (6) and tube body (6) can move axially relatively；
First elastic component (72), the inlet (2a) for acting on spool (71) and spool (71) being made to remain turned-off lower casing (2)
Or the trend of liquid outlet (2c)；
First switch can control motor start and stop with the movement of spool (71).
3. AC permanent magnet protected type booster pump according to claim 2, it is characterised in that: the first switch includes being set to
The first magnetic part (73) on spool (71) and the first trigger switch (74) in the side wall of tube body (6), described first
Magnetic part (73) and the first trigger switch (74) cooperate to control motor start and stop.
4. AC permanent magnet protected type booster pump according to claim 1, it is characterised in that: the tube body (6) is set to lower casing
(2) it is connected at liquid outlet (2c) and with aforementioned liquid outlet (2c), radially forms accommodating on the peripheral wall of the tube body (6)
Portion (80), the pressure switch component (8) are placed in the inner cavity (801) of holding part (80), offer and hold on the tube body (6)
The through-hole (61) of inner cavity (801) connection of portion (80) is set, the pressure switch component (8) includes
Diaphragm (81) has flexible deformation portion, through-hole (61) phase in water (flow) direction, aforementioned flexible variant part and tube body (6)
To and be located at the downstream of through-hole (61), and the flexible deformation portion can generate under water flow pressure effect towards far from through-hole (61)
The deformation of direction protrusion；
Valve rod (82) can be moved axially along the axially extending of holding part (80) and in holding part (80), one end of valve rod (82)
Always it is contacted with the flexible deformation portion of diaphragm (81)；
Second elastic component (83) acts on valve rod (82), and valve rod (82) are kept towards through-hole (61) direction ejection diaphragm
(81) trend；
Second switch, whether electric motor starting capable of being controlled with the movement of valve rod (82).
5. AC permanent magnet protected type booster pump according to claim 4, it is characterised in that: the second switch includes being set to
The second magnetic part on valve rod (82) and the second trigger switch on holding part (80), second magnetic part and second
Whether trigger switch cooperation is to control electric motor starting.
6. AC permanent magnet protected type booster pump according to claim 4, it is characterised in that: the inner cavity of the holding part (80)
(801) pressure cylinder (85) are equipped in, aforementioned pressure cylinder (85) is disposed around the periphery of valve rod (82), and the outer periphery of the diaphragm (81) is pressed
Tightly between pressure cylinder (85) and the bottom wall of holding part (80).
7. AC permanent magnet protected type booster pump according to claim 4, it is characterised in that: the elasticity of the diaphragm (81) becomes
The through-hole (61) of shape portion towards tube body (6) is recessed and forms recessed portion (811), and the end of the spool (71) is placed in the recessed portion
(811) in.
8. AC permanent magnet protected type booster pump described in any claim according to claim 1~7, it is characterised in that: institute
It states housing (3) to be cylindrical in shape, the upper casing (1) is in the tubular of lower end opening, open end of the housing (3) from upper casing (1)
It protrudes into upper casing (1), and the housing (3) lower part forms and extended outwardly by its periphery and be located at upper casing (1) and lower casing (2)
Between attachment base (5), the upper casing (1) and lower casing (2) are connected with the attachment base (5).
9. AC permanent magnet protected type booster pump according to claim 8, it is characterised in that: the attachment base (5) includes ring
Shape body (50) and at least two first connecting portions (51) for circumferentially taking shape in ring bodies (50) periphery, each first connection
It is equipped in portion (51) the first connecting hole (511), upper casing (1) lower end is placed on ring bodies (50), upper casing (1) periphery
It circumferentially forms on wall and connects with first connecting portion (51) one-to-one at least two second connecting portion (11), each described second
Be equipped in socket part (11) the second connecting hole (111), on the lower casing (2) circumferentially arranged with the first connecting hole (511) one by one
Corresponding at least two thirds connecting hole (22), corresponding first connecting hole (511), the second connecting hole (111) are connected with third
Hole (22) is connected by fastener (512).
10. AC permanent magnet protected type booster pump according to claim 9, it is characterised in that: the ring bodies (50) includes
The extension (52) and the annular ring vertically extending by extension (52) periphery to extend radially outwardly along housing (3) periphery
(53), the first connecting portion (51) takes shape in annular ring (53) periphery, and lower part and the annular ring (53) of the upper casing (1) offset
And it is equipped with the first sealing ring (A1) therebetween, the top of the lower casing (2) offsets with annular ring (53) and is equipped with therebetween
Second sealing ring (A2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497207.7A CN110131177A (en) | 2019-06-10 | 2019-06-10 | AC permanent magnet protected type booster pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497207.7A CN110131177A (en) | 2019-06-10 | 2019-06-10 | AC permanent magnet protected type booster pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110131177A true CN110131177A (en) | 2019-08-16 |
Family
ID=67580810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910497207.7A Pending CN110131177A (en) | 2019-06-10 | 2019-06-10 | AC permanent magnet protected type booster pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131177A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357159A (en) * | 2021-07-05 | 2021-09-07 | 陈荣国 | Self-suction type composite shield pump based on direct-current permanent magnet motor |
| CN113389739A (en) * | 2021-07-05 | 2021-09-14 | 陈荣国 | Direct-current permanent magnet type self-suction composite shield pump with gas-liquid mixing cavity |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2599546A1 (en) * | 2006-09-01 | 2008-03-01 | Oase Gmbh | Water pump for bodies of water containing suspended particles |
| CN101153611A (en) * | 2006-09-28 | 2008-04-02 | 日本电产株式会社 | Centrifugal pump |
| CN207021812U (en) * | 2017-07-31 | 2018-02-16 | 浙江威格泵业有限公司 | A kind of canned motor pump |
| CN108678937A (en) * | 2018-08-07 | 2018-10-19 | 陈荣国 | A kind of fluid pump intelligent controller |
| CN210509615U (en) * | 2019-06-10 | 2020-05-12 | 陈荣国 | DC permanent-magnet shielding type booster pump |
-
2019
- 2019-06-10 CN CN201910497207.7A patent/CN110131177A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2599546A1 (en) * | 2006-09-01 | 2008-03-01 | Oase Gmbh | Water pump for bodies of water containing suspended particles |
| CN101153611A (en) * | 2006-09-28 | 2008-04-02 | 日本电产株式会社 | Centrifugal pump |
| CN207021812U (en) * | 2017-07-31 | 2018-02-16 | 浙江威格泵业有限公司 | A kind of canned motor pump |
| CN108678937A (en) * | 2018-08-07 | 2018-10-19 | 陈荣国 | A kind of fluid pump intelligent controller |
| CN210509615U (en) * | 2019-06-10 | 2020-05-12 | 陈荣国 | DC permanent-magnet shielding type booster pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357159A (en) * | 2021-07-05 | 2021-09-07 | 陈荣国 | Self-suction type composite shield pump based on direct-current permanent magnet motor |
| CN113389739A (en) * | 2021-07-05 | 2021-09-14 | 陈荣国 | Direct-current permanent magnet type self-suction composite shield pump with gas-liquid mixing cavity |
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