CN207598519U - A kind of permanent magnet synchronous motor water pump - Google Patents

A kind of permanent magnet synchronous motor water pump Download PDF

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Publication number
CN207598519U
CN207598519U CN201721478679.0U CN201721478679U CN207598519U CN 207598519 U CN207598519 U CN 207598519U CN 201721478679 U CN201721478679 U CN 201721478679U CN 207598519 U CN207598519 U CN 207598519U
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China
Prior art keywords
pump
shaft
water
water pump
motor
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CN201721478679.0U
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Chinese (zh)
Inventor
方秀宝
吴刚
米勇
陈伟
郑超凡
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Zhejiang Dongyin Technology Co., Ltd.
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ZHEJIANG DONGYIN PUMP CO Ltd
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Abstract

A kind of permanent magnet synchronous motor water pump, belong to a part for solar energy photovoltaic system, the system includes photovoltaic array, controller, water tank and the water pump being made of pump body unit and pump motor unit, photo-voltaic power supply line is connected between photovoltaic array and controller, motor lead-out wire is connected between controller and pump motor unit, water-supply-pipe is connected between water tank and pump body unit;Water level sensor is equipped in water where water pump and passes through water level control line and is connect with controller, water tank is equipped with cistern water level sensor and passes through cistern water level control line and connect with controller.The solar water pump of the utility model is run with maximum photovoltaic input power; solar energy is utilized, the working efficiency of water pump greatly promotes, using rare earth permanent-magnet synchronization motor and its control system; electric system it is efficient, it can be achieved that automatically controlling, automatic protection.

Description

A kind of permanent magnet synchronous motor water pump
Technical field
The utility model is related to pump equipment technical field more particularly to a kind of permanent magnet synchronous motor water pumps.
Background technology
Photovoltaic water pump system is directly to be generated electricity using solar cell photovoltaic effect, passes through a series of electric power electricity later Son, motor, water dispenser etc. control and perform link so as to realize the system of water lift in rivers and lakes or deep-well.
Motor in existing technical solution generally uses AC induction motor or permanent-magnet DC brush motor.Alternating current asynchronous The defects of motor, has:1st, electric efficiency is low, and motor volume is big, weight weight;2nd, input voltage range is narrow, to input voltage Fluctuation range limitation is tighter;3rd, the performance of motor motor in high voltage or low voltage operating becomes;4th, it is strong in solar irradiation During degree fluctuation, the fluctuation of water pump system working efficiency is apparent, and the lift of water pump, changes in flow rate are apparent, the water in solar irradiation deficiency Pump lift, flow can be decreased obviously or even can not work, and not utilize solar energy from point.And permanent-magnet DC brush motor Defect has:1st, electric efficiency is low, and motor volume is big, weight weight;2nd, the power bracket of motor is small, is suitble to low-power machine;3rd, it is electric Machine carbon brush needs to regularly replace, and carbon brush and commutator short life need to safeguard;4th, spark, electromagnetic interference are generated during motor commutation Seriously.5th, when Intensity of the sunlight fluctuates, the fluctuation of water pump system working efficiency is apparent, and the lift of water pump, changes in flow rate are apparent, In solar irradiation deficiency, pump head, flow can be decreased obviously or even can not work, and not utilize solar energy from point.
Utility model content
The purpose of this utility model is to solve the deficiency of above-mentioned existing apparatus, provides a kind of permanent magnet synchronous motor water pump, tool Have that working efficiency is big, electric system efficient, it can be achieved that automatically control, automatic protection the characteristics of.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of permanent magnet synchronous motor water pump belongs to a part for solar energy photovoltaic system, which includes photovoltaic array, control Device processed, water tank and the water pump being made of pump body unit and pump motor unit, are connected between photovoltaic array and controller Photo-voltaic power supply line is connected with motor lead-out wire, connects between water tank and pump body unit between controller and pump motor unit It is connected to water-supply-pipe.The design of photovoltaic array should match with water pump system, can be that AC single phase power supply or three phase mains are defeated Enter, controller has setting and display function, can set the operation threshold of photovoltaic array, overcurrent protection, the setting of short-circuit protection value Deng display running parameter and fault parameter etc..
Water level sensor is equipped in water where water pump and passes through water level control line and is connect with controller, water tank is equipped with water tank Water level sensor simultaneously passes through cistern water level control line and is connect with controller.Sense extraneous and water tank water in real time by sensor Position, controller start or stop system work after coherent signal is received.
Preferably, the pump body unit both ends are respectively water entering section and outlet part, between water entering section and outlet part Equipped with the pump case for being sleeved on port and positioned at intermediate pump shaft, water entering section is equipped with pump housing flange, and pump shaft lower end is equipped with shaft coupling, pump shaft On be fixed with several impellers, the blade of impeller is placed in spiral case.Shaft coupling is used to connect the shaft of pump shaft and motor, and outlet part connects Water-supply-pipe is connect, shaft rotation drives pump shaft and wheel rotation, and water water entering section is made to enter from water entering section and is flowed up from outlet part stream Go out, water tank is delivered to by water-supply-pipe.
Preferably, the pump shaft upper end is equipped with through the fixed Upper shaft sleeve of screw, screw hole is opened up in the end of pump shaft, on Corresponding position opens up the hole passed through for screw on axle sleeve, and screw is screwed into screw hole and fixes Upper shaft sleeve, between Upper shaft sleeve and outlet part Equipped with rubber shaft bearing, the bearing above shaft coupling and below Upper shaft sleeve is equipped with axle sleeve.
Preferably, the pump case and outlet part link position are equipped with positioning pin and screw, plugged together in pump case and outlet part The position of overlapping opens up the hole of radial direction, and positioning pin inserts in the hole, and corresponding screw hole is axially opened up on outlet part and positioning pin, Screw is screwed into screw hole and is fixed, and plays the role of positioning during assembling and fixed.The water outlet of the outlet part is equipped with check-valves And clamp spring a, during work, check-valves, which is moved up at clamp spring a, to be stopped, and water outlet is opened, and when being stopped, is acted on by hydraulic pressure, Check-valves, which falls, covers water outlet, and flow is avoided to enter in water pump.
Preferably, the first design of pump motor unit, both ends are respectively bottom end cover and upper end cover, bottom end cover and The casing for being sleeved on port is equipped between upper end cover and gasket, shaft are equipped at intermediate shaft, casing upper and lower ends mouth On be fixed with rotor assembly, stator module is equipped with for position in casing, is equipped with oil sealing between shaft and upper end cover, on upper end cover It is additionally provided with connection bolt and outgoing line components.Shaft is connect by bearing with bottom end cover and upper end cover respectively, and oil sealing acts on In water is avoided to enter inside motor, connection bolt for connecting pump motor unit and pump body unit, use by outgoing line components In the waterproofing reinforcement of motor lead-out wire.The design can reduce water pump length, simple in structure, easy to assembly, be suitable for water and be pumped into water The not high occasion of depth requirements uses.
Preferably, second of pump motor unit design, including step and top chock, step and upper The casing for being sleeved on port is equipped between bearing block and rotor assembly is fixed in intermediate shaft, shaft, in casing for Position is equipped with stator module, and mechanical seal is equipped between shaft and top chock, and connection bolt is additionally provided on top chock and is drawn Outlet component.And there is extension below casing, casing lower port is set as necking, and card is equipped with successively from top to bottom at necking Spring b, pedestal and oil sac.Shaft is connect by bearing with step and top chock respectively, and the effect of mechanical seal is to keep away Exempt from water to enter inside motor, the structure of casing extended portion section and bottom oil sac is for the pressure difference inside and outside regulation motor, this design The occasion for being suitble to water pump underwater penetration more demanding uses.
Preferably, built-in controller component is equipped in the pump motor unit.Built-in controller component is suitable for small Power motor(Generally below 1.5kw motors), external type controller is suitable for the larger motor of power(General more than 1.0kw Motor).
Preferably, the stator module includes stator core and several machine windings, stator is equipped between machine winding Slot, stator core both ends are equipped with insulating end plate.
Preferably, the first design of rotor assembly, including rotor core, rotor core outer wall is evenly distributed with several Outer slot, outer slot lower part both sides are equipped with flaring and bottom surface is arc-shaped, are inserted into equipped with the magnet steel a that shape matches with outer slot In outer slot, rotor core both ends are equipped with magnet steel baffle, and underlying magnet steel baffle bottom is equipped with baffle retainer ring.
Preferably, second of design of rotor assembly, including rotor core, offers several interpolations on rotor core Slot, interior slot combined shaped are in regular polygon or regular polygon, and magnet steel b is inserted into interior slot, and rotor core both ends are equipped with magnetic Steel shoe, underlying magnet steel baffle bottom are equipped with baffle retainer ring.
Preferably, the magnet steel quantity of rotor assembly can have 4 poles, 6 poles, 8 poles, 10 poles, 12 poles etc. according to design requirement;It is fixed The forms such as concentratred winding and Distributed Winding can be used in machine winding in sub-component, and stator slot can be used 3 according to design requirement The slot number of integral multiple, such as 9 slots, 12 slots, 18 slots, 24 slots, 36 slots.
Preferably, the water entering section opens up fluted with outlet part outer wall, O-ring is placed in groove, it is O-shaped after assembling Circle offsets with pump housing endophragm.The top chock outer wall also opens up fluted, and O-ring is placed in groove, after assembling O-ring with Casing inner wall offsets.
Preferably, the outgoing line components outer end is equipped with gasket.
Preferably, the mechanical seal is followed successively by stationary ring from top to bottom, rotating ring, spring, rotating ring, stationary ring, stationary ring and dynamic Ring is in mirror-image arrangement, and rotating ring is fixed with shaft, and stationary ring is fixed with top chock, and the outer end of stationary ring and rotating ring contact position is equipped with contracting Mouth structure, the inner end of stationary ring opposite side are equipped with necking, and spring is erected on the step of two rotating rings, and the rotating ring inner wall at step is set It is fluted, the retainer ring of protrusion is additionally provided on step.
A kind of control method based on above-mentioned solar energy water pumping system, the control method include:
The first step:Power-up routine initializes.
Second step:The threshold voltage and electric current to be worked according to the power setting photovoltaic array of water pump system.
Third walks:The real-time voltage and electric current of photovoltaic array are detected, if real-time voltage and electric current are not up to threshold value, the sun Energy water pump system does not work, if real-time voltage and electric current meet or exceed threshold value, solar water pump system starts.
4th step:After the work of solar energy water pumping system, the peak power output of photovoltaic array is calculated, by not having to work electricity The situation of change control of pressure actual power increaseds or decreases operating voltage, if the actual power under low-work voltage works with high The difference of actual power under voltage is less than zero, then can increase operating voltage, if actual power and senior engineer under low-work voltage The difference for making the actual power under voltage is more than zero, then can reduce operating voltage, cycle judges repeatedly, makes solar energy water pumping system Actual power always close to the peak power output of photovoltaic array.
5th step:After the completion of work, solar energy water pumping system is closed.
Preferably, the work of solar energy water pumping system has defencive function, protected including extraneous water level protection, cistern water level Shield, over current of motor protection, electric motor short circuit protection, control system over-temperature protection.
Preferably, system also has remote operation, remotely controlling functional.
The beneficial effects of the utility model are:1st, using rare earth permanent-magnet synchronization motor and its control system, electric system It is efficient, with compared with seat No. alternating current generator efficient 10 ~ 25%, small seat No. efficiency increases apparent;
2nd, rare earth permanent-magnet synchronization motor is small, and compared with the alternating current generator of Same Efficieney, the volume of motor can reduce 20 ~ 40%;
3rd, using rare earth permanent-magnet synchronization motor and its control system, motor may be designed to different rotating speeds, alternating current generator Rotating speed is generally fixed by the number of poles of motor, the synchronous rotational speed 3000rpm of 2 pole motors, and the motor speed of permanent magnet synchronous motor can be In certain range(Such as 500rpm ~ 6000rpm)It is arbitrarily devised, the motor of higher rotation speed can be designed, it is assumed that 5000rpm, according to Water pump similarity law, reaches the lift and flow of original 3000rpm electric systems, and the electric system of 5000rpm can reduce water pump Impeller quantity can greatly reduce the volume of pump body, while can increase production efficiency, reduce in this way to original 35% Production cost;
4th, using rare earth permanent-magnet synchronization motor and its control system, since the efficiency of system improves, match with water pump system The capacity of the photovoltaic array of set can reduce, and the price of photovoltaic array is higher, can save a cost of investment;
5th, using rare earth permanent-magnet synchronization motor and its control system, due to employing solar array maximum power in system The energy of solar array is more effectively utilized in output control, is that the working efficiency of system improves, draws water in the same time Amount is apparent to be increased;
6th, using rare earth permanent-magnet synchronization motor and its control system, there is multi-protective function in the system:Low-voltage is protected Shield, overcurrent protection, motor rotation blockage protection, water level control etc. ensure that the reliability service of system, it can be achieved that automatically controlling, intelligence Energyization operation, system monitoring and nobody see protective function.
7th, using rare earth permanent-magnet synchronization motor and its control system, in input system is exchanged, there is significantly energy saving subtract The effect of row, in the case where reaching same flow, electricity consumption significantly lowers, and the working efficiency of system can greatly improve.
Description of the drawings
Fig. 1 is the structure diagram of the solar energy photovoltaic system belonging to the water pump of the utility model;
Fig. 2 is the structure diagram of pump body unit in the utility model;
Fig. 3 is the structure diagram of pump motor unit embodiment one in the utility model;
Fig. 4 is the structure diagram of pump motor unit embodiment two in the utility model;
Fig. 5 is the structure diagram of mechanical seal part in Fig. 4;
Fig. 6 is the water pump structure schematic diagram that Fig. 2 and Fig. 3 is combined;
Fig. 7 is the water pump structure schematic diagram that Fig. 2 and Fig. 4 is combined;
Fig. 8 is the structure diagram of rotor assembly in the utility model;
Fig. 9 is the radial cross-section of rotor assembly embodiment one in the utility model;
Figure 10 is the radial cross-section of rotor assembly embodiment two in the utility model;
Figure 11 is the radial cross-section of stator module in the utility model;
Figure 12 is the axial sectional view of stator module in the utility model;
Figure 13 is the control system figure of the solar energy photovoltaic system belonging to the water pump of the utility model;
Figure 14 is photovoltaic array illumination and power curve relationships figure in the utility model.
Specific embodiment
The utility model is further described below by specific embodiment and attached drawing.
Embodiment is:As shown in Figure 1, a kind of permanent magnet synchronous motor water pump, belong to a part for solar energy photovoltaic system, The system includes photovoltaic array 1, controller 2, water tank 2 and the water pump being made of pump body unit 8 and pump motor unit 9, Photo-voltaic power supply line 4 is connected between photovoltaic array 1 and controller 2, motor is connected between controller 2 and pump motor unit 9 Lead-out wire 6 is connected with water-supply-pipe 11 between water tank 2 and pump body unit 8.Wherein, water level is equipped in the water where water pump to pass Sensor 10 simultaneously passes through water level control line 5 and is connect with controller 2, and water tank 2 is equipped with cistern water level sensor 3 and passes through cistern water level control Line 7 processed is connect with controller 2.
With reference to shown in Fig. 2,8 both ends of pump body unit are respectively water entering section 8.1 and outlet part 8.7, water entering section 8.1 and are gone out The pump case 8.6 for being sleeved on port and the pump shaft 8.8 positioned at centre are equipped between water portion 8.7, water entering section 8.1 is equipped with pump housing flange 8.2, 8.8 lower end of pump shaft is equipped with shaft coupling 8.3, is fixed with several impellers 8.5 on pump shaft 8.8, the blade of impeller 8.5 is placed in spiral case 8.4 It is interior.8.8 upper end of pump shaft is equipped with through 8.12 fixed Upper shaft sleeve 8.9 of screw, is set between Upper shaft sleeve 8.9 and outlet part 8.7 There is rubber shaft bearing 8.11, above shaft coupling 8.3 and the bearing of 8.9 lower section of Upper shaft sleeve is equipped with axle sleeve 8.10.Wherein, pump case 8.6 and 8.7 link position of outlet part be equipped with positioning pin 8.13 and screw 8.12, the water outlet of outlet part 8.7 is equipped with check-valves 8.14 and clamp spring a8.15.In addition, water entering section 8.1 opens up fluted with 8.7 outer wall of outlet part, O-ring is placed in groove, is filled It offsets with rear O-ring and 8.6 inner wall of pump case.
The embodiment one of pump motor unit 9:With reference to shown in Fig. 3, both ends are respectively bottom end cover 9.1 and upper end cover 9.6, The casing 9.3 for being sleeved on port and the shaft 9.11 positioned at centre are equipped between bottom end cover 9.1 and upper end cover 9.6, casing is about 9.3 Gasket 9.2 is equipped at two-port, rotor assembly 9.5 is fixed in shaft 9.11, stator pack is equipped with for position in casing 9.3 Part 9.4 is equipped with oil sealing 9.7, connection bolt 9.8 and lead-out wire is additionally provided on upper end cover 9.6 between shaft 9.11 and upper end cover 9.6 Component 9.9.
The embodiment two of pump motor unit 9:With reference to shown in Fig. 4, including step 9.15 and top chock 9.19, under The casing 9.3 for being sleeved on port and the shaft 9.11 positioned at centre, shaft are equipped between bearing block 9.15 and top chock 9.19 Rotor assembly 9.5 is fixed on 9.11, stator module 9.4, shaft 9.11 and top chock are equipped with for position in casing 9.3 Mechanical seal 9.17 is equipped between 9.19, connection bolt 9.8 and outgoing line components 9.9 are additionally provided on top chock 9.19.Wherein, The lower section of casing 9.3 has extension, and 9.3 lower port of casing is set as necking, be equipped with successively from top to bottom at necking clamp spring b9.13, Pedestal 9.14 and oil sac 9.12.With reference to described in Fig. 5, mechanical seal 9.17 is followed successively by stationary ring 9.17.2, rotating ring from top to bottom 9.17.1, spring 9.17.3, rotating ring 9.17.1, stationary ring 9.17.2, stationary ring 9.17.2 and rotating ring 9.17.1 are in mirror-image arrangement, rotating ring 9.17.1 it is fixed with shaft 9.11, stationary ring 9.17.2 is fixed with top chock 9.19, stationary ring 9.17.2 and rotating ring 9.17.1 contacts The outer end of position is equipped with throat structure, and the inner end of stationary ring 9.17.2 opposite sides is equipped with necking, and spring 9.17.3 is erected at two and moves On the step of ring 9.17.1, the rotating ring 9.17.1 inner walls at step are equipped with groove, and the retainer ring of protrusion is additionally provided on step.
In addition, 9.19 outer wall of top chock opens up fluted, O-ring 9.16 is placed in groove, O-ring 9.16 after assembling It offsets with casing inner wall, gasket 9.2 is equipped in 9.9 upper end of outgoing line components.
Pump body unit 8 can be combined to form two different water pumps with above two pump motor unit 9 respectively, with reference to Shown in Fig. 6 and Fig. 7, and built-in controller component 9.10 can be also installed inside two kinds of pump motor units 9.
With reference to shown in Figure 11 and Figure 12, stator module 9.4 includes stator core 9.4.1 and several machine winding 9.4.2, fixed Sub- iron core 9.4.1 is fixed with casing 9.3, stator slot 9.4.3 is equipped between machine winding 9.4.2, stator core 9.4.1 both ends are set There is insulating end plate 9.4.4, stator module 9.4 has motor lead-out wire 6.
The embodiment one of rotor assembly 9.5:With reference to shown in Fig. 8 and Fig. 9, including with 9.11 fixed rotor core of shaft 9.5.1, rotor core 9.5.1 outer walls are evenly distributed with several outer slot 9.5.2, and outer slot 9.5.2 lower parts both sides are equipped with flaring And bottom surface is arc-shaped, the magnet steel a9.5.3 to match equipped with shape and outer slot 9.5.2 is inserted into outer slot 9.5.2, rotor Iron core 9.5.1 both ends are equipped with magnet steel baffle 9.5.4, and underlying magnet steel baffle 9.5.4 bottoms are equipped with baffle retainer ring 9.5.5。
The embodiment two of rotor assembly 9.5:With reference to shown in Fig. 8 and Figure 10, including with 9.11 fixed rotor core of shaft 9.5.1, several interior slot 9.5.6 are offered on rotor core 9.5.1, interior slot 9.5.6 combined shapeds are in regular polygon or just Polygon, magnet steel b9.5.7 are inserted into interior slot 9.5.6, and rotor core 9.5.1 both ends are equipped with magnet steel baffle 9.5.4, are located at The magnet steel baffle 9.5.4 bottoms of lower section are equipped with baffle retainer ring 9.5.5.
Wherein, the magnet steel quantity of rotor assembly 9.5 can have 4 poles, 6 poles, 8 poles, 10 poles, 12 poles etc. according to design requirement;It is fixed The forms such as concentratred winding and Distributed Winding can be used in machine winding 9.4.2 in sub-component 9.4, and stator slot 9.4.3 is according to design It is required that the slot number of 3 integral multiple can be used, such as 9 slots, 12 slots, 18 slots, 24 slots, 36 slots.
With reference to shown in Figure 13, a kind of control method based on above-mentioned solar energy water pumping system, the control method includes:
The first step:Power-up routine initializes.
Second step:The threshold voltage and electric current to be worked according to the power setting photovoltaic array 1 of water pump system.
Third walks:The real-time voltage and electric current of photovoltaic array 1 are detected, if real-time voltage and electric current are not up to threshold value, too Positive energy water pump system does not work, if real-time voltage and electric current meet or exceed threshold value, solar water pump system starts.
4th step:After the work of solar energy water pumping system, the peak power output of photovoltaic array 1 is calculated, by not having to work The situation of change control of actual power increaseds or decreases operating voltage under voltage, if actual power and senior engineer under low-work voltage The difference for making the actual power under voltage is less than zero, then can increase operating voltage, if the actual power under low-work voltage and height The difference of actual power under operating voltage is more than zero, then can reduce operating voltage, cycle judges repeatedly, makes solar water pump system The actual power of system is always close to the peak power output of photovoltaic array 1.
Specifically can be as shown in figure 14, Pm is the power of maximum functional point, when system operating voltage increases to work electricity from U1 U2 is pressed, output power is that P1 variations are P2, if P2-P1 > 0, illustrates maximum functional point on the right side of real work point, can be with Continue to increase operating voltage.If operating voltage increases to operating voltage U3 from U4, output power is that P4 variations are P3, if P3-P4 < 0 illustrate that maximum functional point in the left side of real work point, can be given with negative voltage difference, reduce voltage and give It is fixed, it operates repeatedly just reached the process that dynamic tracks maximum power in this way.
5th step:After the completion of work, solar energy water pumping system is closed.
The work of solar energy water pumping system has defencive function, including extraneous water level protection, cistern water level protection, motor mistake Stream protection, electric motor short circuit protection, control system over-temperature protection.Additionally there is remote operation, remotely controlling functional.
Structure feature the foregoing is merely specific embodiment of the utility model, but the utility model is not limited to This, the utility model can be used on similar product, and any those skilled in the art is in the field of the utility model, institute The variation or modification of work are all covered among the scope of the claims of the utility model.

Claims (7)

1. a kind of permanent magnet synchronous motor water pump, it is characterised in that:Including pump body unit(8)With pump motor unit(9), institute State pump body unit(8)Both ends are respectively water entering section(8.1)And outlet part(8.7), water entering section(8.1)And outlet part(8.7) Between be equipped with and be sleeved on the pump case of port(8.6)And positioned at intermediate pump shaft(8.8), water entering section(8.1)Equipped with pump housing flange (8.2), pump shaft(8.8)Lower end is equipped with shaft coupling(8.3), pump shaft(8.8)On be fixed with several impellers(8.5), impeller(8.5)'s Blade is placed in spiral case(8.4)It is interior;
The pump motor unit(9)There are two types of, the first is:Both ends are respectively bottom end cover(9.1)And upper end cover(9.6), under End cap(9.1)And upper end cover(9.6)Between be equipped with and be sleeved on the casing of port(9.3)And positioned at intermediate shaft(9.11), casing (9.3)Gasket is equipped at upper and lower ends mouth(9.2), shaft(9.11)On be fixed with rotor assembly(9.5), casing(9.3)It is interior Stator module is equipped with for position(9.4), shaft(9.11)With upper end cover(9.6)Between be equipped with oil sealing(9.7), upper end cover (9.6)On be additionally provided with connection bolt(9.8)And outgoing line components(9.9);
It is for second:Including step(9.15)And top chock(9.19), step(9.15)And top chock (9.19)Between be equipped with and be sleeved on the casing of port(9.3)And positioned at intermediate shaft(9.11), shaft(9.11)On be fixed with turn Sub-component(9.5), casing(9.3)It is interior that stator module is equipped with for position(9.4), shaft(9.11)With top chock(9.19)It Between be equipped with mechanical seal(9.17), top chock(9.19)On be additionally provided with connection bolt(9.8)And outgoing line components(9.9);Machine Shell(9.3)Lower section has extension, casing(9.3)Lower port is set as necking, and clamp spring b is equipped with successively from top to bottom at necking (9.13), pedestal(9.14)And oil sac(9.12).
2. a kind of permanent magnet synchronous motor water pump according to claim 1, it is characterised in that:The pump shaft(8.8)Upper end is set Have and pass through screw(8.12)Fixed Upper shaft sleeve(8.9), Upper shaft sleeve(8.9)And outlet part(8.7)Between be equipped with rubber shaft bearing (8.11), positioned at shaft coupling(8.3)Top and Upper shaft sleeve(8.9)The bearing of lower section is equipped with axle sleeve(8.10).
3. a kind of permanent magnet synchronous motor water pump according to claim 1, it is characterised in that:The pump case(8.6)And water outlet Portion(8.7)Link position is equipped with positioning pin(8.13)And screw(8.12), outlet part(8.7)Water outlet be equipped with check-valves (8.14)And clamp spring a(8.15).
4. a kind of permanent magnet synchronous motor water pump according to claim 1, it is characterised in that:The pump motor unit(9) It is interior to be equipped with built-in controller component(9.10).
5. a kind of permanent magnet synchronous motor water pump according to claim 1, it is characterised in that:The stator module(9.4)Packet Include stator core(9.4.1)With several machine windings(9.4.2), machine winding(9.4.2)Between be equipped with stator slot(9.4.3), Stator core(9.4.1)Both ends are equipped with insulating end plate(9.4.4).
6. a kind of permanent magnet synchronous motor water pump according to claim 5, it is characterised in that:The rotor assembly(9.5)Packet Include rotor core(9.5.1), rotor core(9.5.1)Outer wall is evenly distributed with several outer slots(9.5.2), outer slot (9.5.2)Lower part both sides are equipped with flaring and bottom surface is arc-shaped, equipped with shape and outer slot(9.5.2)The magnet steel a to match (9.5.3)It is inserted into outer slot(9.5.2)It is interior, rotor core(9.5.1)Both ends are equipped with magnet steel baffle(9.5.4), positioned at lower section Magnet steel baffle(9.5.4)Bottom is equipped with baffle retainer ring(9.5.5).
7. a kind of permanent magnet synchronous motor water pump according to claim 5, it is characterised in that:The rotor assembly(9.5)Packet Include rotor core(9.5.1), rotor core(9.5.1)On offer several interior slots(9.5.6), interior slot(9.5.6)Combination Shape is in regular polygon or regular polygon, magnet steel b(9.5.7)It is inserted into interior slot(9.5.6)It is interior, rotor core(9.5.1)Two End is equipped with magnet steel baffle(9.5.4), underlying magnet steel baffle(9.5.4)Bottom is equipped with baffle retainer ring(9.5.5).
CN201721478679.0U 2017-11-08 2017-11-08 A kind of permanent magnet synchronous motor water pump Active CN207598519U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110410331A (en) * 2019-07-23 2019-11-05 浙江东音科技有限公司 A kind of solar energy well immersible pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110410331A (en) * 2019-07-23 2019-11-05 浙江东音科技有限公司 A kind of solar energy well immersible pump

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Patentee after: Zhejiang Dongyin Technology Co., Ltd.

Address before: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525

Patentee before: Zhejiang Dongyin Pump Co., Ltd.