CN213360471U - Energy-saving sewage submerged electric pump with switched reluctance motor for driving speed regulation - Google Patents
Energy-saving sewage submerged electric pump with switched reluctance motor for driving speed regulation Download PDFInfo
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- CN213360471U CN213360471U CN202021827959.XU CN202021827959U CN213360471U CN 213360471 U CN213360471 U CN 213360471U CN 202021827959 U CN202021827959 U CN 202021827959U CN 213360471 U CN213360471 U CN 213360471U
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- 239000010865 sewage Substances 0.000 title claims abstract description 41
- 230000033228 biological regulation Effects 0.000 title description 2
- 230000007246 mechanism Effects 0.000 claims abstract description 150
- 230000017525 heat dissipation Effects 0.000 claims abstract description 143
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000002184 metal Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 241000196171 Hydrodictyon reticulatum Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the field of drainage devices, in particular to a switched reluctance motor driven speed-regulating energy-saving sewage submersible electric pump, which comprises a submersible pump body, a drainage mechanism, a heat dissipation mechanism and a water inlet net, wherein one side of the submersible pump body is fixedly connected with the drainage mechanism, the middle part of one end of the drainage mechanism is fixedly connected with the water inlet net, the inner middle position of the drainage mechanism is movably connected with a driving shaft, one side of the middle of the driving shaft is fixedly connected with an impeller, the other side of the submersible pump body is fixedly connected with a heat dissipation mechanism, the heat dissipation mechanism is fixedly connected with the submersible pump body, the heat dissipation mechanism can transmit heat generated by a switched reluctance motor in the heat dissipation mechanism and can also wrap and protect the switched reluctance motor in the heat dissipation mechanism, the switched reluctance motor can be detachably maintained or replaced when the switched reluctance motor fails, the heat generated by the switched reluctance motor is transmitted by, the radiating effect of water pump has effectually been improved.
Description
Technical Field
The utility model belongs to the drainage device field specifically is an energy-saving sewage submerged motor pump of switched reluctance motor drive speed governing.
Background
In the design of many pump stations in China, according to the actual requirements of engineering, the lift range of a water pump is required to be very wide, if any pump station requires the lift working range of the same water pump to be 5-12 m, and some pump stations require the lift working range to be 10-30 m, in the wide lift range, the requirement of the traditional water pump is difficult to meet, as is well known, the water pump works by being driven by a motor, the rotating speed of the motor is generally single and constant, the rotating speed of the water pump is determined to be fixed, as for the water pump with single rotating speed, the lift range is generally within 80-100% of the rated lift, as for some occasions requiring wide lift working range, the requirement cannot be met, how to enlarge the lift working range of the water pump, when the water pump is designed, the water pump is designed to work under two rated rotating speeds, namely, the water pump runs at a high rotating speed in high lift, and runs at a low rotating speed in low lift, so that the purpose of expanding the working range of the pump lift of the water pump is achieved.
The energy-saving sewage submerged motor pump of current switched reluctance motor drive speed governing heat dissipation is poor, and sewage discharge effect is not good, and the water pump is blockked up easily to impurity in the sewage, and the energy-saving sewage submerged motor pump of current switched reluctance motor drive speed governing does not have seal part, inside the outside moisture of sewage gets into the water pump easily, and the difficult dismantlement of part in the water pump or change, and the water pump is perfect inadequately, is difficult to satisfy modern society's demand.
Therefore, how to design a switch reluctance motor driven speed-regulating energy-saving sewage submersible electric pump becomes a problem which needs to be solved currently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-saving sewage submerged motor pump of switched reluctance motor drive speed governing to it is poor to provide the thermal diffusivity in solving above-mentioned background art, the not good problem of sewage discharge effect.
In order to achieve the above object, the utility model provides a following technical scheme: a speed-regulating energy-saving sewage submersible electric pump driven by a switched reluctance motor comprises a submersible pump body, a drainage mechanism, a heat dissipation mechanism and a water inlet net, wherein the drainage mechanism is fixedly connected to one side of the submersible pump body, the heat dissipation mechanism is fixedly connected to the other side of the submersible pump body, the water inlet net is fixedly connected to the middle of one end of the drainage mechanism, a driving shaft is movably connected to the middle of the interior of the drainage mechanism, an impeller is fixedly connected to one side of the middle of the driving shaft, a diffuser is movably connected to the other side of the middle of the driving shaft, a conical water outlet is fixedly connected to the inner wall of the other side of the interior of the drainage mechanism, a spring baffle is movably connected to the other side of the conical water outlet, a water outlet pipe is fixedly connected to the bottom, the other side of the heat dissipation mechanism is connected with a heat dissipation part in an embedded mode, the top of the other side of the interior of the heat dissipation mechanism is fixedly connected with a power converter, the bottom of the other side of the interior of the heat dissipation mechanism is fixedly connected with a current detector, the top of the other side of the heat dissipation part is fixedly connected with a power line, the bottom of the other side of the heat dissipation part is fixedly connected with a controller, the periphery of the middle of the driving shaft is fixedly connected with a square connecting shaft, the inner side of the middle of the driving shaft is fixedly connected with a round connecting shaft, the periphery of the front of the impeller is fixedly connected with an impeller stirring plate, the periphery of the middle of the diffuser is movably connected with a diffuser movable shaft, the periphery of the front of the diffuser is fixedly connected with a diffuser stirring, the heat dissipation device is characterized in that an inner peripheral inner wall of the heat dissipation part is connected with an inner side through hole in an embedded mode, an inner side sealing cylinder is tightly attached to the inner wall of the heat dissipation part in a connected mode, and a metal heat conduction cylinder is connected to the inner side of the inner side sealing cylinder in an embedded mode.
Preferably, a connecting gasket is embedded and connected to one side of the inside of the heat dissipation mechanism.
Preferably, the other side of the driving shaft is connected with a rubber water-proof block in a nested mode.
Preferably, a lead fixing block is fixedly connected to the middle of the top end of the heat dissipation component.
Preferably, the number of the drainage mechanisms is one, the drainage mechanism is arranged on one side of the whole submersible pump, and the drainage mechanism is fixedly connected with the whole submersible pump.
Preferably, the number of the heat dissipation mechanisms is one, the heat dissipation mechanism is arranged on the other side of the whole submersible pump, and the heat dissipation mechanism is fixedly connected with the whole submersible pump.
Compared with the prior art, the beneficial effects of the utility model are that:
1. energy-saving sewage submerged motor pump of switched reluctance motor drive speed governing, drainage mechanism set up in the holistic one side of immersible pump, drainage mechanism and the whole fixed connection of immersible pump, drainage mechanism can be with sewage transmission and from the outlet pipe discharge, and can also filter the discharge again with the impurity in the sewage, the condition that appears against the current when can having improved the drainage to a certain extent to improve the effect of sewage drainage.
2. Energy-saving sewage submerged motor pump of switched reluctance motor drive speed governing, heat dissipation mechanism sets up at the holistic opposite side of immersible pump, heat dissipation mechanism and the whole fixed connection of immersible pump, heat dissipation mechanism can lead out the heat conduction that the inside switched reluctance motor of heat dissipation mechanism produced, and can also dismantle maintenance or change when the switched reluctance motor breaks down, heat dissipation mechanism conducts the heat that the switched reluctance motor produced through water-cooled mode and plays radiating effect, the effectual radiating effect who improves the water pump.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a left side view of the present invention;
fig. 3 is a schematic structural view of the driving shaft of the present invention;
fig. 4 is a left side view of the impeller of the present invention;
FIG. 5 is a right side view of the diffuser of the present invention;
fig. 6 is a schematic structural view of a part of the heat dissipation member of the present invention;
fig. 7 is a diagram of the internal circuit connection framework of the present invention.
In the figure: 1. the submersible pump comprises a submersible pump body, 2, a drainage mechanism, 3, a heat dissipation mechanism, 4, a water inlet net, 5, a water outlet pipe, 6, a driving shaft, 7, a switched reluctance motor, 8, a current detector, 9, a power converter, 10, a power line, 11, a controller, 12, a heat dissipation component, 13, a connecting sealing gasket, 14, an impeller, 15, a diffuser, 16, a conical water outlet, 17, a spring baffle, 18, a rubber water insulation block, 19, a square connecting shaft, 20, a circular connecting shaft, 21, an impeller water stirring plate, 22, a diffuser water stirring plate, 23, a diffuser movable shaft, 24, an inner side through hole, 25, a connecting threaded column, 26, a lead fixing block, 27, a heat dissipation water guide groove, 28, an inner side sealing cylinder, 29 and a metal heat conduction cylinder.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In a first embodiment, please refer to fig. 1 to 7, the present invention provides a technical solution: a speed-regulating energy-saving sewage submersible electric pump driven by a switched reluctance motor comprises a submersible pump body 1, a drainage mechanism 2, a heat dissipation mechanism 3 and a water inlet net 4, wherein one side of the submersible pump body 1 is fixedly connected with the drainage mechanism 2, the other side of the submersible pump body 1 is fixedly connected with the heat dissipation mechanism 3, the middle part of one end of the drainage mechanism 2 is fixedly connected with the water inlet net 4, the middle position inside the drainage mechanism 2 is movably connected with a driving shaft 6, one side in the middle of the driving shaft 6 is fixedly connected with an impeller 14, the other side in the middle of the driving shaft 6 is movably connected with a diffuser 15, the inner wall of the other side inside the drainage mechanism 2 is fixedly connected with a conical water outlet 16, the other side of the conical water outlet 16 is movably connected with a spring baffle 17, the bottom of the other side, a heat dissipation part 12 is connected with the other side of the heat dissipation mechanism 3 in an embedded manner, a power converter 9 is fixedly connected with the top of the other side in the heat dissipation mechanism 3, a current detector 8 is fixedly connected with the bottom of the other side in the heat dissipation mechanism 3, a power cord 10 is fixedly connected with the top of the other side of the heat dissipation part 12, a controller 11 is fixedly connected with the bottom of the other side of the heat dissipation part 12, a square connecting shaft 19 is fixedly connected with the middle periphery of the driving shaft 6, a circular connecting shaft 20 is fixedly connected with the inner side in the middle of the driving shaft 6, an impeller stirring plate 21 is fixedly connected with the front periphery of the impeller 14, a diffuser movable shaft 23 is movably connected with the middle periphery of the diffuser 15, a diffuser stirring plate 22 is fixedly connected with the front periphery of the diffuser 15, connecting threaded columns 25, an inner peripheral inner wall of the heat dissipation part 12 is connected with an inner through hole 24 in an embedded mode, an inner sealing cylinder 28 is closely attached to the inner wall of the heat dissipation part 12, and a metal heat conduction cylinder 29 is connected to the inner side of the inner sealing cylinder 28 in an embedded mode.
Preferably, the connection gasket 13 is embedded and connected to one side of the inside of the heat dissipation mechanism 3, the heat dissipation mechanism 3 is connected to the heat dissipation member 12, the heat dissipation member 12 is connected to the heat dissipation mechanism 3 through the connection threaded post 25, the heat dissipation member 12 is in contact with the connection gasket 13 at the joint of the heat dissipation mechanism 3, the connection gasket 13 is made of elastic rubber material, after the connection threaded post 25 is screwed, the heat dissipation member 12 extrudes one side of the heat dissipation mechanism 3, the connection gasket 13 buffers the extrusion force of the heat dissipation member 12 through the elastic characteristic, the extrusion force between the parts in the heat dissipation mechanism 3 is reduced, and the damage of the parts in the heat dissipation step 3 due to the extrusion force of the heat dissipation member 12 is avoided.
Preferably, the other side of the driving shaft 6 is connected with a rubber water-proof block 18 in an embedded mode, rubber at one end of the rubber water-proof block 18 is attached to a smooth surface of a cylindrical bump protruding out of the driving shaft 6, the other end of the rubber water-proof block 18 is connected with the drainage mechanism 2, the driving shaft 6 is connected with the drainage mechanism 2, when the driving shaft 6 rotates, the contact part of the water-proof block 18 and the driving shaft 6 can be attached tightly, moisture cannot enter the connection part of the driving shaft 6 and the drainage mechanism 2 from one side of the rubber water-proof block 18, and a waterproof effect is achieved.
Preferably, top middle part fixedly connected with wire fixed block 26 of heat dissipation part 12, the internal connection of wire fixed block 26 has the wire that power cord 10 and controller 11 are connected, and the wire that power cord 10 and controller 11 are connected is in the condition that the outer protective rubber of wire appears the fracture through many times of buckling when using with heat dissipation part 12's junction, wire fixed block 26 can wrap up the wire that power cord 10 and controller 11 are connected and heat dissipation part 12 junction, and wire fixed block 26 is made for soft rubber, when the wire that power cord 10 and controller 11 are connected takes place to buckle, wire fixed block 26 can cushion the power of buckling, avoid the rubber protection layer fracture of the wire that power cord 10 and controller 11 are connected, the effectual life that improves the wire that power cord 10 and controller 11 are connected.
Preferably, the drainage mechanism 2 is provided with one, the drainage mechanism 2 is arranged at one side of the submersible pump whole 1, the drainage mechanism 2 is fixedly connected with the submersible pump whole 1, the drainage mechanism 2 can convey sewage and discharge the sewage from the water outlet pipe 5, and can also filter and discharge impurities in the sewage, a driving shaft 6 is arranged in the drainage mechanism 2, the driving shaft 6 is driven by a switched reluctance motor 7 in the heat dissipation mechanism 3, when the driving shaft 6 rotates, an impeller 14 on the driving shaft 6 rotates along with the rotation of the driving shaft 6, a diffuser 15 on the driving shaft 6 is fixedly connected with the drainage mechanism 2, when the drainage mechanism 2 is immersed in water, the immersed sewage is filtered by a water inlet net 4 on the drainage mechanism 2, then the filtered sewage enters the drainage mechanism 2, when the impeller 14 rotates, a centrifugal force of the impeller 14 enables a water stirring plate 21 on the impeller 14 to convey water to the periphery, the water transmitted to the periphery enters the side surface of the diffuser 15 through the gap between the drainage mechanism 2 and the diffuser 15, then forms a groove between the diffuser stirring plates 22 on the diffuser 15 and transmits the groove to the other impeller 14, so that the water pressure for water transmission is increased, then the transmitted water is discharged from the conical water outlet 16 in the drainage mechanism 2, the water pressure when the water is transmitted from the conical water outlet 16 pushes the spring baffle 17 connected with the conical water outlet 16 to the right, the opening between the spring baffle 17 and the conical water outlet 16 is opened through the expansion and contraction of the spring, so that the water flowing out from the opening is discharged through the water outlet pipe 5 on the drainage mechanism 2, the water inlet net 4 on the drainage mechanism 2 filters the discharged sewage impurities, the internal blockage of the drainage mechanism 2 is prevented, and the five impellers 14 and the diffuser 15 in the drainage mechanism 2 can increase the water pressure when the water is discharged, the lift of the water pump is improved, and the reverse flow condition during drainage can be improved to a certain extent by arranging the conical water outlet 16 and the spring baffle 17, so that the sewage drainage effect is improved.
Preferably, the heat dissipation mechanism 3 is provided with one, the heat dissipation mechanism 3 is arranged at the other side of the submersible pump whole body 1, the heat dissipation mechanism 3 is fixedly connected with the submersible pump whole body 1, the heat dissipation mechanism 3 can conduct heat generated by a switched reluctance motor 7 inside the heat dissipation mechanism 3, the switched reluctance motor 7 inside the heat dissipation mechanism 3 can be wrapped and protected, the switched reluctance motor 7 can be detachably maintained or replaced when the switched reluctance motor 7 breaks down, a driving shaft 6 inside the drainage mechanism 2 is driven by the switched reluctance motor 7 arranged in the heat dissipation mechanism 3, when a power supply is connected through a power line 10 on the heat dissipation mechanism 3, electric energy required by the switched reluctance motor 7 is provided through a power converter 9 in the heat dissipation mechanism 3, a current detector 8 is used for feeding back a current signal and transmitting the current signal to a controller 11, the controller 11 is a central hub of a system and plays a decision, mainly realizes the control of the running state of the switch reluctance motor 7 by feeding back information of the position, the speed and the current of a rotor and an externally input instruction, when the heat dissipation mechanism 3 is installed, the heat dissipation part 12 on the heat dissipation mechanism 3 is firstly assembled, the inner side sealing cylinder 28 on the heat dissipation part 12 is embedded into the heat dissipation mechanism 3, then the metal heat conduction cylinder in the heat dissipation part 12 is embedded into the inner side sealing cylinder 28, the heat dissipation part 12 is fixed on the heat dissipation mechanism 3 through the connecting threaded column 25, so that the metal heat conduction cylinder 29 in the heat dissipation part 12 is attached to the switch reluctance motor 7 in the heat dissipation mechanism 3, the metal heat conduction cylinder 29 can conduct the heat generated by the switch reluctance motor 7 to the air, and when the whole submersible pump 1 is immersed in water, the water can be immersed into the inner side through hole 24 on the heat dissipation part 12 through the heat dissipation water pouring groove 27 in the heat dissipation part 12, and the moisture that soaks in inboard through-hole 24 can be through the direct contact with metal heat conduction section of thick bamboo 29 of the through-hole of inboard sealed section of thick bamboo 28, thereby make metal heat conduction section of thick bamboo 29 conduct the heat that switched reluctance motor 7 produced to in the moisture, in order to reach radiating effect, and when needing to dismantle heat dissipation mechanism 3, only need unscrew connecting thread post 25, just can take off heat dissipation part 12, change or maintain switched reluctance motor 7, heat dissipation mechanism 3 conducts the heat that switched reluctance motor 7 produced through the water-cooling mode and plays radiating effect, the effectual radiating effect that improves the water pump.
The working principle is as follows: firstly, checking the sealing performance of the rubber water-proof block 18, wherein the rubber water-proof block 18 is connected to the other side of the driving shaft 6 in a nested manner, the rubber at one end of the rubber water-proof block 18 is attached to the smooth surface of a cylindrical bump protruding out of the driving shaft 6, the other end of the rubber water-proof block 18 is connected with the drainage mechanism 2, and the driving shaft 6 is connected with the drainage mechanism 2;
then, whether the connecting gasket 13 is damaged or not is checked, the connecting gasket 13 is embedded and connected to one side inside the heat dissipation mechanism 3, the heat dissipation mechanism 3 is connected with the heat dissipation part 12, the heat dissipation part 12 is connected with the heat dissipation mechanism 3 through the connecting threaded column 25, the heat dissipation part 12 is in contact with the connecting gasket 13 at the connection position of the heat dissipation mechanism 3, the connecting gasket 13 is made of elastic rubber materials, after the connecting threaded column 25 is screwed, the heat dissipation part 12 can extrude one side of the heat dissipation mechanism 3, the connecting gasket 13 buffers the extrusion force of the heat dissipation part 12 through the elastic characteristic, the extrusion force between the parts inside the heat dissipation mechanism 3 is reduced, and the parts inside the heat dissipation step 3 are prevented from being damaged due to the extrusion force of the heat dissipation part 12;
then, whether the wire fixing block 26 can be normally used is checked, the wire fixing block 26 is fixedly connected to the middle part of the top end of the heat radiating member 12, the wire connecting the power cord 10 and the controller 11 is connected to the inside of the wire fixing block 26, and the connection between the power line 10 and the controller 11 and the heat dissipation component 12 may be broken by bending the protection rubber of the outer layer of the wire for many times during use, the lead fixing block 26 may wrap a connection portion of the lead connecting the power cord 10 and the controller 11 and the heat dissipating member 12, and the lead fixing block 26 is made of soft rubber, when the lead connected with the power line 10 and the controller 11 is bent, the lead fixing block 26 can buffer the bending force, so that the rubber protective layer of the lead connected with the power line 10 and the controller 11 is prevented from being broken, and the service life of the lead connected with the power line 10 and the controller 11 is effectively prolonged;
then, sewage drainage work is carried out through the drainage mechanism 2, one drainage mechanism 2 is arranged, the drainage mechanism 2 is arranged on one side of the whole submersible pump 1, the drainage mechanism 2 is fixedly connected with the whole submersible pump 1, the drainage mechanism 2 can transmit and discharge sewage from the water outlet pipe 5 and can also filter and discharge impurities in the sewage, the driving shaft 6 is arranged in the drainage mechanism 2, the driving shaft 6 is driven by the switched reluctance motor 7 in the heat dissipation mechanism 3, when the driving shaft 6 rotates, the impeller 14 on the driving shaft 6 rotates along with the rotation of the driving shaft 6, the diffuser 15 on the driving shaft 6 is fixedly connected with the drainage mechanism 2, when the drainage mechanism 2 is immersed in water, the immersed sewage is filtered through the water inlet net 4 on the drainage mechanism 2, the filtered sewage enters the drainage mechanism 2, and when the impeller 14 rotates, the centrifugal force of the impeller 14 causes the impeller stirring plate 21 on the impeller 14 to transmit water to the periphery, the water transmitted to the periphery enters the side surface of the diffuser 15 through a gap between the drainage mechanism 2 and the diffuser 15, then a groove is formed between the diffuser stirring plates 22 on the diffuser 15 and is transmitted to the other impeller 14, so that the water pressure of the water transmission is increased, then the transmitted water is discharged from the conical water outlet 16 in the drainage mechanism 2, the spring baffle 17 connected with the conical water outlet 16 is pushed to the right by the water pressure when the water is transmitted from the conical water outlet 16, the opening between the spring baffle 17 and the conical water outlet 16 is opened by the expansion and contraction of the spring, so that the water flowing out from the opening is discharged through the water outlet pipe 5 on the drainage mechanism 2, the water inlet net 4 on the drainage mechanism 2 filters the discharged sewage impurities, the blockage inside the drainage mechanism 2 is prevented, and the five impellers 14 and the diffuser 15 inside the drainage mechanism 2 can increase the water pressure when the water is discharged, the lift of the water pump is increased, and the condition of reverse flow during drainage can be improved to a certain extent by arranging the conical water outlet 16 and the spring baffle 17, so that the sewage drainage effect is improved;
finally, the heat dissipation mechanism 3 is used for dissipating heat of the switched reluctance motor 7 in the water pump, the heat dissipation mechanism 3 is provided with one, the heat dissipation mechanism 3 is arranged at the other side of the whole submersible pump 1, the heat dissipation mechanism 3 is fixedly connected with the whole submersible pump 1, the heat dissipation mechanism 3 can transfer heat generated by the switched reluctance motor 7 in the heat dissipation mechanism 3 and can also wrap and protect the switched reluctance motor 7 in the heat dissipation mechanism 3, the switched reluctance motor 7 can be detachably maintained or replaced when the switched reluctance motor 7 breaks down, the driving shaft 6 in the drainage mechanism 2 is driven by the switched reluctance motor 7 arranged in the heat dissipation mechanism 3, when the power supply is connected through the power line 10 on the heat dissipation mechanism 3, the power converter 9 in the heat dissipation mechanism 3 provides electric energy required by the switched reluctance motor 7, and the current detector 8 is used for feeding back current signals, and transmits to the controller 11, the controller 11 is the center of the system, plays a role in decision making and command, mainly for the rotor position, speed and current feedback information and the instruction of external input, realize the control to the running state of the switched reluctance motor 7, when installing the heat dissipation mechanism 3, assemble the heat dissipation part 12 on the heat dissipation mechanism 3 first, embed the inside sealing cylinder 28 on the heat dissipation part 12 into the heat dissipation mechanism 3, then embed the metal heat conduction cylinder in the heat dissipation part 12 into the inside sealing cylinder 28, fix the heat dissipation part 12 on the heat dissipation mechanism 3 through the connecting threaded post 25, make the metal heat conduction cylinder 29 in the heat dissipation part 12 attach to the switched reluctance motor 7 in the heat dissipation mechanism 3, the metal heat conduction cylinder 29 can conduct the heat generated by the switched reluctance motor 7 to the air, and when immersing the whole submersible pump 1 in water, the moisture can be immersed into the inside through the heat dissipation water pouring groove 27 in the heat dissipation part 12 And the moisture that immerses in inboard through-hole 24 can be through the direct contact with metal heat conduction section of thick bamboo 29 of the through-hole of inboard sealed section of thick bamboo 28, thereby make metal heat conduction section of thick bamboo 29 conduct the heat that switched reluctance motor 7 produced during moisture, in order to reach radiating effect, and when needing to dismantle heat dissipation mechanism 3, only need unscrew connecting thread post 25, just can take off heat dissipation part 12, change or maintain switched reluctance motor 7, heat dissipation mechanism 3 conducts the heat that switched reluctance motor 7 produced through the water-cooling mode and plays radiating effect, the effectual radiating effect that has improved the water pump, this is exactly this kind of switching reluctance motor drive speed governing energy-saving sewage submersible pump's theory of operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an energy-saving sewage submerged motor pump of switched reluctance motor drive speed governing, includes that the immersible pump is whole (1), drainage mechanism (2), heat dissipation mechanism (3) and advance water net (4), its characterized in that: one side of the whole submersible pump (1) is fixedly connected with a drainage mechanism (2), the other side of the whole submersible pump (1) is fixedly connected with a heat dissipation mechanism (3), the middle part of one end of the drainage mechanism (2) is fixedly connected with a water inlet net (4), the inner middle position of the drainage mechanism (2) is movably connected with a driving shaft (6), one side of the middle of the driving shaft (6) is fixedly connected with an impeller (14), the other side of the middle of the driving shaft (6) is movably connected with a diffuser (15), the inner wall of the other side of the inner part of the drainage mechanism (2) is fixedly connected with a conical water outlet (16), the other side of the conical water outlet (16) is movably connected with a spring baffle (17), the bottom of the other side of the drainage mechanism (2) is fixedly connected with a water outlet pipe (5), and one side of the middle of, the other side nested connection of heat dissipation mechanism (3) has heat dissipation part (12), the inside opposite side top fixedly connected with power converter (9) of heat dissipation mechanism (3), the inside opposite side bottom fixedly connected with current detector (8) of heat dissipation mechanism (3), the opposite side top fixedly connected with power cord (10) of heat dissipation part (12), the opposite side bottom fixedly connected with controller (11) of heat dissipation part (12), the square connecting axle (19) of the peripheral fixedly connected with in the middle of drive shaft (6).
2. The switched reluctance motor driven speed-regulating energy-saving sewage submersible electric pump as claimed in claim 1, characterized in that: the utility model discloses a heat dissipation device, including drive shaft (6), the inboard fixedly connected with circular connecting axle (20) in the middle of drive shaft (6), the preceding peripheral fixedly connected with impeller of impeller (14) stirs water board (21), the middle peripheral swing joint of diffuser (15) has diffuser loose axle (23), the preceding peripheral fixedly connected with diffuser of diffuser (15) stirs water board (22), the top both sides through connection of heat dissipation part (12) has connecting thread post (25), the peripheral inner wall embedding of heat dissipation part (12) is connected with heat dissipation guiding gutter (27), the inside peripheral inner wall embedding of heat dissipation part (12) is connected with inboard through-hole (24), the inside inner wall of heat dissipation part (12) closely laminates and is connected with inboard sealed cylinder (28), the inboard embedding of inboard sealed cylinder (28) is connected with metal heat conduction cylinder (29).
3. The switched reluctance motor driven speed-regulating energy-saving sewage submersible electric pump as claimed in claim 1, characterized in that: one side of the inside of the heat dissipation mechanism (3) is embedded and connected with a connecting sealing gasket (13).
4. The switched reluctance motor driven speed-regulating energy-saving sewage submersible electric pump as claimed in claim 1, characterized in that: the other side of the driving shaft (6) is connected with a rubber water-proof block (18) in a nested manner.
5. The switched reluctance motor driven speed-regulating energy-saving sewage submersible electric pump as claimed in claim 1, characterized in that: and the middle part of the top end of the heat dissipation part (12) is fixedly connected with a lead fixing block (26).
6. The switched reluctance motor driven speed-regulating energy-saving sewage submersible electric pump as claimed in claim 1, characterized in that: the drainage mechanism (2) is provided with one, the drainage mechanism (2) is arranged on one side of the submersible pump whole body (1), and the drainage mechanism (2) is fixedly connected with the submersible pump whole body (1).
7. The switched reluctance motor driven speed-regulating energy-saving sewage submersible electric pump as claimed in claim 1, characterized in that: the heat dissipation mechanism (3) is provided with one, the heat dissipation mechanism (3) is arranged on the other side of the submersible pump body (1), and the heat dissipation mechanism (3) is fixedly connected with the submersible pump body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021827959.XU CN213360471U (en) | 2020-08-27 | 2020-08-27 | Energy-saving sewage submerged electric pump with switched reluctance motor for driving speed regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021827959.XU CN213360471U (en) | 2020-08-27 | 2020-08-27 | Energy-saving sewage submerged electric pump with switched reluctance motor for driving speed regulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213360471U true CN213360471U (en) | 2021-06-04 |
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ID=76147678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021827959.XU Expired - Fee Related CN213360471U (en) | 2020-08-27 | 2020-08-27 | Energy-saving sewage submerged electric pump with switched reluctance motor for driving speed regulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213360471U (en) |
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2020
- 2020-08-27 CN CN202021827959.XU patent/CN213360471U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 |