CN113241864A - Stator structure for efficient canned motor pump and canned motor pump - Google Patents
Stator structure for efficient canned motor pump and canned motor pump Download PDFInfo
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- CN113241864A CN113241864A CN202110572806.8A CN202110572806A CN113241864A CN 113241864 A CN113241864 A CN 113241864A CN 202110572806 A CN202110572806 A CN 202110572806A CN 113241864 A CN113241864 A CN 113241864A
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- stator
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- wiring
- power supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
- F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/18—Windings for salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Abstract
The invention relates to the technical field of electric pump stator structures, in particular to a stator structure for a high-efficiency canned motor pump, which comprises a fixed sleeve, wherein the stator structure is arranged in the fixed sleeve and is fixedly installed with the fixed sleeve through an anti-falling structure; through the internally mounted stator structure at fixed cover, can be a plurality of stator module of assembled with whole stator split, so both conveniently install the wire winding, still conveniently carry out the fixed point in later stage and change and maintain, the setting of deuterogamy anti-drop structure can enough assemble the location to stator structure, can also carry out spacing fixed to a plurality of stator module, avoids the condition that breaks away from with fixed cover.
Description
Technical Field
The invention relates to the technical field of electric pump stator structures, in particular to a stator structure for an efficient canned motor pump and a canned motor pump.
Background
The stator is the stationary part of the motor or generator. The stator consists of three parts, namely a stator iron core, a stator winding and a machine base. The main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to be cut by magnetic lines of force in the rotating magnetic field to generate (output) current. The base is used for fixing the iron core, and for the suspension type generator, the base is used for bearing the whole weight of the rotating part; the iron core is a part of a magnetic circuit of the generator; the coil then forms the electrical circuit of the generator.
Also can need to use stator structure in high-efficient type canned motor pump, stator core in the stator module in high-efficient type canned motor pump is general all integral, this will cause winding group utmost point inconvenient, and need dismantle whole when the maintenance is dismantled to the later stage, waste time and energy, and when stator core and frame installation, generally adopt the welded type, it is very inconvenient to cause the later stage to dismantle, when generally damaging, all directly abandon whole stator structure, take a lot of work and waste material, increase the maintenance cost, and when externally wiring, mostly adopt the screw tightening formula, the wiring is inconvenient and fixed insecure.
Disclosure of Invention
Aiming at the problems in the prior art, the first purpose of the invention is to provide a stator structure for an efficient shield electric pump, which optimizes the shape of the stator mechanism, optimizes the wire diameter and the number of turns of a stator coil, and improves the working efficiency of the stator; the second purpose is to provide a canned motor pump, which optimizes a control circuit inside the canned motor pump, so that the canned motor pump is started at low pressure, runs at low pressure and greatly improves the quality.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a stator structure for high-efficient type canned motor pump, includes fixed cover the internally mounted stator structure of fixed cover, stator structure installs fixedly through anti-drop structure and fixed cover still install conductive structure on the fixed cover the one end of stator structure sets up mounting structure the one end installation fixed knot of fixed cover set up wiring structure on the fixed knot.
Specifically, stator structure includes stator core the inside of fixed cover forms annular array and sets up a plurality of stator core fixedly connected with installation piece on the stator core fixed sheathe in and forms annular array and set up a plurality of mounting grooves that correspond with the installation piece, stator core inserts that the mounting groove is inside to be connected fixedly with fixed cover through the installation piece.
Specifically, a fan-shaped winding slot is arranged between every two adjacent stator cores, the mounting slot and the mounting block are both in a fan-shaped structure, a stator coil is wound outside the stator cores, and the wire diameter and the number of turns of the stator coil are respectively 0.25-0.21mm and 800-630 turns.
Specifically, anti-drop structure includes the jack stator core's inside is equipped with the jack the inside of fixed cover slides and is the inserted bar of arc structure, the inserted bar can insert the inside of jack fixed stator core install first spring between inserted bar and the fixed cover the fixed pull rod of one end of inserted bar.
Specifically, conducting structure includes the conducting strip the inside of fixed cover slides the conducting strip the one end of conducting strip is rotated through the bearing and is connected with locking bolt, just locking bolt runs through the lateral wall of fixed cover and with fixed cover threaded connection fixed guide arm on the conducting strip, the guide arm slides with fixed cover.
Specifically, the cross-section of conducting strip is arc structure, just conducting strip can contradict two adjacent stator core, every set up four guide arms on the conducting strip, and four guide arms are two liang of symmetrical relation settings.
Specifically, mounting structure includes the permanent magnet, the permanent magnet is installed to stator core's one end set up the spacing groove on permanent magnet and the stator core, the fixed pin corresponding with the size of spacing groove can be placed to the inside of spacing groove, the fixed pin passes through fixing bolt and stator core is fixed.
Specifically, the fixed knot constructs including the bottom fixed connection of one end of fixed cover be symmetrical relation two risers of fixing on the bottom, two install the wiring strip between the riser the both ends of wiring strip are symmetrical relation fixedly connected with a locating piece respectively, and two locating piece and two riser sliding connection, just locating piece and riser are locked fixedly through positioning bolt.
Specifically, the wiring structure includes the wiring groove the inside of wiring strip is equipped with a plurality of wiring grooves the inside fixedly connected with busbar of wiring groove the inside of wiring strip is that the symmetric relation slides and has two slides the installation second spring between slide and the wiring strip at the one end fixedly connected with connecting rod of slide fixedly connected with clamp splice on the connecting rod.
Specifically, the inside of wiring strip is symmetrical relation sliding connection has two buttons, two the outside fixedly connected with spacing ring of button the inside of wiring strip is mirror image relation and rotates and be connected with two dwangs, and two the both ends of dwang are contradicted with button and slide respectively.
A canned motor pump with a stator structure further comprises a control module for monitoring the state of the canned motor pump, wherein the control module comprises a single chip microcomputer control circuit, a power supply circuit, a motor driving circuit, a sampling circuit, a voltage detection circuit and a current detection circuit; the singlechip control circuit is electrically connected with the power supply circuit, and the power supply circuit provides electric energy for the singlechip control circuit; the power circuit is electrically connected with the motor driving circuit and provides electric energy for the motor driving circuit; the current detection circuit is electrically connected with the single chip microcomputer control circuit, the voltage detection circuit is electrically connected between the power supply circuit and the single chip microcomputer control circuit, the sampling circuit is electrically connected between the current detection circuit and the motor drive circuit, and the sampling circuit is used for collecting the current of the motor drive circuit in real time.
Specifically, the power supply circuit comprises an EMC circuit, a rectifying circuit and a working power supply circuit; the input end of the EMC circuit is externally connected with a mains supply, the output end of the EMC circuit is electrically connected with the input end of the rectifying circuit, and the output end of the rectifying circuit is electrically connected with the working power supply circuit; the electromagnetic compatibility (EMC) circuit is used for resisting electromagnetic interference existing in an environment where the EMC circuit is located, the rectifying circuit is used for shaping alternating current into required direct current, the working power supply circuit comprises a driving power supply circuit and a power supply circuit, the driving power supply circuit is used for supplying power to the motor driving circuit, and the power supply circuit is used for supplying power to the motor driving circuit.
The invention has the beneficial effects that:
(1) according to the stator structure for the high-efficiency shielding electric pump, the stator structure is arranged in the fixed sleeve, and the whole stator is split into the plurality of stator components which can be assembled, so that the winding is convenient to install, the fixed-point replacement and maintenance at the later stage are convenient to perform, and the arrangement of the anti-falling structure is matched, so that the stator structure can be assembled and positioned, the plurality of stator components can be limited and fixed, and the stator structure is prevented from being separated from the fixed sleeve; the integral stator is divided into a plurality of stator cores in an annular array, so that stator coils can be conveniently wound on a single stator core, and the single stator core can be conveniently dismounted, replaced or maintained in the later period, so that the later maintenance cost is greatly reduced, when the stator core is mounted, only the mounting block in a fan-shaped structure fixed with the stator core is required to be inserted into the mounting groove on the corresponding fixing sleeve, because the cross sections of the mounting groove and the mounting block are in the fan-shaped structure, the primary positioning and fixing effect can be achieved, the subsequent mounting of a plurality of stator cores is convenient, the pull rod is required to be pulled before the stator core is mounted, the inserted rod fixed with the pull rod can be pulled out from the inside of the mounting groove, the mounting block cannot be blocked, after the mounting block and the mounting groove are completely coincided, the pull rod is loosened at the moment, at the moment, the inserting rod can be automatically inserted into the inserting hole in the mounting block under the action of the elastic force of the first spring, the limiting and fixing of the mounting block and the fixing sleeve can be easily completed at the moment, so that the situation that the stator core falls off is avoided, the wire diameter and the number of turns of the stator coil are respectively 0.25-0.21mm and 800 plus 630 turns, and the working efficiency of the stator can be increased.
(2) According to the stator structure for the high-efficiency shielding electric pump, the conducting structure is arranged on the fixing sleeve, so that the stator component in the stator structure can be collided and conducted, the stator structure can be further fixed, and the magnet can be conveniently and fixedly installed and maintained and replaced in the later period through the mounting structure arranged on the stator structure; because a plurality of conducting strips in an arc-shaped structure slide in an annular array in the fixed sleeve and rotate with the locking bolt through the bearing, the locking bolt only needs to be rotated, the conducting strip can slide in the fixed sleeve, the adjacent two stator cores can be tightly collided, thereby not only realizing better conductivity between the two conducting strips, but also ensuring better fixation of the stator core and preventing falling off through the collision between the conducting strips and the stator core, one end of the stator core is also provided with a permanent magnet which is sleeved with the stator core, so that the permanent magnet is convenient to install and fix, and the stator core and the permanent magnet are provided with limit grooves which can just place a fixed pin, and the fixed pin is locked and fixed with the fixed sleeve through the fixed bolt, so that the connection stability of the permanent magnet and the stator core is better.
(3) According to the stator structure for the high-efficiency shielding electric pump, the fixing structure is arranged on the fixing sleeve, so that the wiring structure can be conveniently and quickly installed and replaced, the maintenance is convenient, and the wiring structure can be conveniently and quickly fixed and butted, namely; because the bottom cover is fixed at one end of the fixing sleeve, the two vertical plates are fixed at one end of the bottom cover in a symmetrical relation, the wiring strip is arranged between the two vertical plates in a sliding way through the positioning block and is fixed with the vertical plates through the positioning bolts, the wiring strip can be conveniently taken down through the disassembly and the assembly of the wiring strip and the vertical plates, the wiring strip is convenient to carry out wiring work and can be conveniently disassembled at the later stage for replacement and maintenance, the whole stator does not need to be disassembled and replaced when the wiring strip is damaged, thereby achieving the effect of saving cost, a plurality of wiring grooves which are distributed linearly are arranged inside the wiring strip, a wiring group can be connected, after two wires are inserted into the wiring grooves, the conduction of the wiring group can be realized through the conflict fixing effect of the conductive strips and the clamping blocks, before the two wires are inserted into the wiring grooves, two buttons need to be pressed firstly, and the two buttons conflict with the rotating rod, the labor-saving mechanical principle of the lever is utilized, the rotating rod can be jacked up the sliding plate easily, the clamping block can be jacked up by jacking of the sliding plate, the wire group can be inserted into the wiring groove at the moment, then the button is loosened, the sliding plate can drive the clamping block to abut against the wire group when the bus bar is driven under the elastic action of the second spring, and therefore quick wiring and convenient operation are achieved.
(4) The high-efficiency canned motor pump optimizes a control module of the canned motor pump, detects a voltage or current signal in the circuit in real time through the voltage detection circuit and the current detection circuit, feeds the signal back to the single chip microcomputer, and sends an instruction in time when the voltage or the current is abnormal, so that the normal use of the canned motor pump is effectively ensured, the quality of the canned motor pump is greatly improved, and the performance of the canned motor pump is greatly improved compared with that of the existing canned motor pump by matching with the improvement of a stator structure.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a structural diagram illustrating an overall structure of a preferred embodiment of a stator structure for a high-efficiency canned motor pump according to the present invention;
FIG. 2 is an enlarged view of the part A shown in FIG. 1;
FIG. 3 is an enlarged view of the structure of the portion B shown in FIG. 1;
fig. 4 is a schematic view of a coupling structure of the fixing cover and the anti-falling structure shown in fig. 1;
FIG. 5 is an enlarged view of the structure of the portion C shown in FIG. 4;
fig. 6 is a schematic view of the coupling structure of the fixing pouch and the fixing structure shown in fig. 1;
FIG. 7 is a schematic structural view of the wiring structure shown in FIG. 6;
FIG. 8 is an enlarged view of the structure of the portion D shown in FIG. 7;
FIG. 9 is a block diagram of the circuitry of a control module within a canned motor pump according to the present invention;
fig. 10 is a circuit diagram of a control circuit of the chip microcomputer in fig. 9.
In the figure: 1. the fixed cover, 2, stator structure, 21, stator core, 22, mounting groove, 23, mounting block, 24, stator coil, 25, winding groove, 3, anti-drop structure, 31, pull rod, 32, jack, 33, inserted link, 34, first spring, 4, conductive structure, 41, conductive sheet, 42, locking bolt, 43, bearing, 44, guide rod, 5, mounting structure, 51, permanent magnet, 52, spacing groove, 53, fixing pin, 54, fixing bolt, 6, fixing structure, 61, bottom cover, 62, riser, 63, wiring strip, 64, positioning block, 65, positioning bolt, 7, wiring structure, 71, wiring groove, 72, button, 73, conductive strip, 74, spacing ring, 75, slide plate, 76, second spring, 77, connecting rod, 78, clamping block, 79, and rotating rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-8, the stator structure for a high-efficiency shield electric pump according to the present invention includes a fixing sleeve 1, a stator structure 2 is installed inside the fixing sleeve 1, the stator structure 2 is installed and fixed with the fixing sleeve 1 through an anti-drop structure 3, a conductive structure 4 is further installed on the fixing sleeve 1, an installation structure 5 is disposed at one end of the stator structure 2, a fixing structure 6 is installed at one end of the fixing sleeve 1, and a wiring structure 7 is disposed on the fixing structure 6.
Specifically, the stator structure 2 includes a stator core 21, a plurality of stator cores 21 are arranged in an annular array in the fixed sleeve 1, a mounting block 23 is fixedly connected to the stator core 21, a plurality of mounting slots 22 corresponding to the mounting block 23 are arranged in an annular array on the fixed sleeve 1, the stator cores 21 are inserted into the mounting slots 22 through the mounting block 23 and are connected and fixed to the fixed sleeve 1, a fan-shaped winding slot 25 is arranged between every two adjacent stator cores 21, the mounting slots 22 and the mounting blocks 23 are both in a fan-shaped structure, a stator coil 24 is wound outside the stator core 21, the wire diameter and the number of turns of the stator coil 24 are respectively 0.25-0.21 and 800-, can also make things convenient for the later stage to dismantle change or maintenance single stator core 21, thereby greatly reduced later maintenance cost, when installing stator core 21, only need with stator core 21 fixed be fan-shaped structure the installation piece 23 insert with it correspond fixed cover 1 on the mounting groove 22 inside can, because the mounting groove 22 all is fan-shaped structure with the cross-section of installation piece 23, consequently, just can play preliminary location fixed action, make things convenient for follow-up a plurality of stator core 21's installation.
Specifically, the anti-falling structure 3 includes an insertion hole 32, the insertion hole 32 is arranged in the stator core 21, the insertion rod 33 of the arc-shaped structure is slid in the fixing sleeve 1, the insertion rod 33 can be inserted into the insertion hole 32 to fix the stator core 21, a first spring 34 is arranged between the insertion rod 33 and the fixing sleeve 1, the pull rod 31 is fixed at one end of the insertion rod 33, the pull rod 31 needs to be pulled before the stator core 21 is installed, the insertion rod 33 fixed with the pull rod 31 can be pulled out from the inside of the installation groove 22 without blocking the installation block 23, after the installation block 23 is completely overlapped with the installation groove 22, the pull rod 31 is released again, the insertion rod 33 is automatically inserted into the insertion hole 32 in the installation block 23 under the elastic action of the first spring 34, and the limit fixing of the installation block 23 and the fixing sleeve 1 can be easily completed, therefore, the condition that the stator core 21 falls off is avoided, the wire diameter and the number of turns of the stator coil 24 are respectively 0.25-0.21mm and 800-.
Specifically, conducting structure 4 includes conducting strip 41 the inside of fixed cover 1 slides conducting strip 41 the one end of conducting strip 41 is rotated through bearing 43 and is connected with locking bolt 42, just locking bolt 42 runs through the lateral wall of fixed cover 1 and with fixed cover 1 threaded connection fixed guide arm 44 on conducting strip 41, guide arm 44 slides with fixed cover 1, the cross-section of conducting strip 41 is the arc structure, just conducting strip 41 can contradict adjacent two stator core 21, every set up four guide arms 44 on conducting strip 41, and four guide arms 44 are two bisymmetry relations and set up, because the inside of fixed cover 1 is the annular array and slides a plurality of conducting strips 41 that are the arc structure, and conducting strip 41 passes through bearing 43 and locking bolt 42 and rotates, consequently, only need to rotate locking bolt 42, can realize that conducting strip 41 slides in the inside of fixed cover 1, can closely contradict between two adjacent stator core 21 to can enough realize that the electric conductivity between two conducting strips 41 is better, can also make stator core 21's fixity better through conducting strip 41 and stator core 21's conflict, can not drop.
Specifically, mounting structure 5 includes permanent magnet 51, permanent magnet 51 is installed to stator core 21's one end set up spacing groove 52 on permanent magnet 51 and the stator core 21, the corresponding fixed pin 53 of size with spacing groove 52 can be placed to spacing groove 52's inside, fixed pin 53 is fixed with stator core 21 through fixing bolt 54, still installs permanent magnet 51 in stator core 21's one end, and permanent magnet 51 cup joints with stator core 21, conveniently carries out the installation of permanent magnet 51 fixed, and is equipped with spacing groove 52 on stator core 21 and permanent magnet 51, and a fixed pin 53 can just be placed to spacing groove 52, and fixed pin 53 locks fixedly through fixing bolt 54 and fixed cover 1 to can make permanent magnet 51 better with stator core 21's connection stability.
Specifically, the fixing structure 6 includes a bottom cover 61, a bottom cover 61 is fixedly connected to one end of the fixing sleeve 1, two vertical plates 62 are fixed to the bottom cover 61 in a symmetrical relationship, a wiring strip 63 is installed between the two vertical plates 62, two positioning blocks 64 are respectively fixedly connected to two ends of the wiring strip 63 in a symmetrical relationship, the two positioning blocks 64 are slidably connected to the two vertical plates 62, and the positioning blocks 64 and the vertical plates 62 are locked and fixed by positioning bolts 65, because the bottom cover 61 is fixed to one end of the fixing sleeve 1, the two vertical plates 62 are fixed to one end of the bottom cover 61 in a symmetrical relationship, the wiring strip 63 is slidably installed between the two vertical plates 62 by the positioning blocks 64, and the wiring strip 63 is fixed to the vertical plates 62 by the positioning bolts 65, the wiring strip 63 can be conveniently taken down by detaching and installing the wiring strip 63 and the vertical plates 62, which facilitates wiring work, can also make things convenient for later stage to dismantle and change the maintenance, need not tear whole stator open when wiring strip 63 appears damaging and change to reach the effect of saving the cost.
Specifically, the wiring structure includes wiring groove 71 the inside of wiring strip 63 is equipped with a plurality of wiring grooves 71 the inside fixedly connected with busbar 73 of wiring groove 71 the inside of wiring strip 63 is symmetrical relation slip has two slides 75 install second spring 76 between slide 75 and the wiring strip 63, at one end fixedly connected with connecting rod 77 of slide 75 fixedly connected with clamp piece 78 on connecting rod 77, the inside of wiring strip 63 is symmetrical relation slip connection has two buttons 72, two the outside fixedly connected with spacing ring 74 of button 72 the inside of wiring strip 63 is mirror image relation and rotates and is connected with two dwang 79, and two the both ends of dwang 79 contradict with button 72 and slide 75 respectively, are equipped with a plurality of wiring grooves 71 that are linear distribution in the inside of wiring strip 63, can connect the wiring group, after two wires are inserted into the wiring groove 71, the conduction of the wire group can be realized through the abutting fixing action of the conductive strip 73 and the clamping block 78, before the two wires are inserted into the wiring groove 71, the two buttons 72 need to be pressed first, the two buttons 72 abut against the rotating rod 79, the rotating rod 79 can be easily jacked up to the sliding plate 75 by utilizing the lever labor-saving mechanical principle, the clamping block 78 can be jacked up by jacking the sliding plate 75, the wire group can be inserted into the wiring groove 71 at the moment, then the buttons 72 are loosened, the sliding plate 75 can abut against the wire group at the conductive strip 73 under the elastic action of the second spring 76, the clamping block 78 is driven to abut against the wire group, the quick wiring is realized, and the operation is convenient.
When the stator core 21 is used, the integral stator is divided into the plurality of stator cores 21 in the annular array, so that the stator coil 24 can be conveniently wound on the single stator core 21, and the single stator core 21 can be conveniently detached, replaced or maintained in the later period, so that the later maintenance cost is greatly reduced, when the stator core 21 is installed, only the installation block 23 in the fan-shaped structure fixed with the stator core 21 is inserted into the installation groove 22 on the corresponding fixed sleeve 1, because the cross sections of the installation groove 22 and the installation block 23 are in the fan-shaped structure, the primary positioning and fixing effect can be achieved, the subsequent installation of the plurality of stator cores 21 is convenient, the pull rod 31 is required to be pulled before the stator core 21 is installed, the inserted rod 33 fixed with the pull rod 31 is pulled out from the inside of the installation groove 22, and the installation block 23 is not blocked, after the mounting block 23 and the mounting groove 22 are completely overlapped, the pull rod 31 is loosened, the insertion rod 33 is automatically inserted into the insertion hole 32 inside the mounting block 23 under the elastic force of the first spring 34, the limiting and fixing of the mounting block 23 and the fixing sleeve 1 can be easily completed, so as to avoid the situation that the stator iron core 21 falls off, the wire diameter and the number of turns of the stator coil 24 are respectively 0.25-0.21 and 800-, the stator core 21 can be fixed better and can not fall off by the contact between the conducting strip 41 and the stator core 21, the permanent magnet 51 is further installed at one end of the stator core 21, the permanent magnet 51 is sleeved with the stator core 21, the permanent magnet 51 is convenient to install and fix, the stator core 21 and the permanent magnet 51 are provided with the limiting grooves 52, the limiting grooves 52 can be used for just placing a fixing pin 53, the fixing pin 53 is locked and fixed with the fixing sleeve 1 through a fixing bolt 54, so that the connection stability between the permanent magnet 51 and the stator core 21 is better, because the bottom cover 61 is fixed at one end of the fixing sleeve 1, two vertical plates 62 are fixed at one end of the bottom cover 61 in a symmetrical relation, the wiring strip 63 is slidably installed between the two vertical plates 62 through a positioning block 64, the wiring strip 63 is fixed with the vertical plate 62 through a positioning bolt 65, and the wiring strip 63 is installed by being detached from the vertical plate 62, the wiring strip 63 can be conveniently taken down, wiring work is convenient, later-stage disassembly can be conveniently carried out for replacement and maintenance, when the wiring strip 63 is damaged, the whole stator does not need to be disassembled and replaced, so that the cost is saved, a plurality of wiring grooves 71 which are distributed linearly are formed in the wiring strip 63, a wire group can be connected, after two wires are inserted into the wiring grooves 71, the conduction of the wire group can be realized through the abutting fixing effect of the conductive strips 73 and the clamping blocks 78, before the two wires are inserted into the wiring grooves 71, the two buttons 72 need to be pressed firstly, the two buttons 72 abut against the rotating rod 79, the rotating rod 79 can easily jack up the sliding plate 75 by utilizing the lever labor-saving mechanical principle, the sliding plate 75 can jack up the clamping blocks 78, at the moment, the wire group can be inserted into the wiring grooves 71, then the buttons 72 are loosened, the sliding plate 75 can be under the elastic action of the second spring 76, the clamping blocks 78 are driven to abut the line group against the conductive strips 73, so that quick wiring is realized, and the operation is convenient.
Referring to fig. 9, the canned motor pump with the stator structure further includes a control module for monitoring a state of the canned motor pump, where the control module includes a single chip microcomputer control circuit, a power circuit, a motor driving circuit, a sampling circuit, a voltage detection circuit, and a current detection circuit; the singlechip control circuit is electrically connected with the power supply circuit, and the power supply circuit provides electric energy for the singlechip control circuit; the power circuit is electrically connected with the motor driving circuit and provides electric energy for the motor driving circuit; the current detection circuit is electrically connected with the single chip microcomputer control circuit, the voltage detection circuit is electrically connected between the power supply circuit and the single chip microcomputer control circuit, the sampling circuit is electrically connected between the current detection circuit and the motor drive circuit, and the sampling circuit is used for collecting the current of the motor drive circuit in real time.
Referring to fig. 10, the power supply circuit includes an EMC circuit, a rectifying circuit, and a working power supply circuit; the input end of the EMC circuit is externally connected with a mains supply, the output end of the EMC circuit is electrically connected with the input end of the rectifying circuit, and the output end of the rectifying circuit is electrically connected with the working power supply circuit; the electromagnetic compatibility (EMC) circuit is used for resisting electromagnetic interference existing in an environment where the EMC circuit is located, the rectifying circuit is used for shaping alternating current into required direct current, the working power supply circuit comprises a driving power supply circuit and a power supply circuit, the driving power supply circuit is used for supplying power to the motor driving circuit, and the power supply circuit is used for supplying power to the motor driving circuit.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The stator structure for the high-efficiency shield electric pump is characterized by comprising a fixed sleeve (1), wherein a stator structure (2) is arranged in the fixed sleeve (1); the stator structure (2) comprises stator cores (21), a plurality of stator cores (21) are arranged in an annular array in the fixed sleeve (1), mounting blocks (23) are fixedly connected to the stator cores (21), a plurality of mounting grooves (22) corresponding to the mounting blocks (23) are arranged in the annular array on the fixed sleeve (1), and the stator cores (21) are inserted into the mounting grooves (22) through the mounting blocks (23) and are fixedly connected with the fixed sleeve (1); a fan-shaped winding slot (25) is arranged between every two adjacent stator cores (21), the mounting slot (22) and the mounting block (23) are both in a fan-shaped structure, a stator coil (24) is wound outside the stator cores (21), and the wire diameter and the number of turns of the stator coil (24) are respectively 0.25-0.21mm and 800-;
stator structure (2) are installed fixedly through anti-drop structure (3) and fixed cover (1) still install conductive structure (4) on fixed cover (1) the one end of stator structure (2) sets up mounting structure (5) the one end installation fixed knot structure (6) of fixed cover (1) set up wiring structure (7) on fixed knot structure (6).
2. The stator structure for a high efficiency canned motor pump according to claim 1, wherein: anti-drop structure (3) are including jack (32) the inside of stator core (21) is equipped with jack (32) the inside of fixed cover (1) slides and is inserted bar (33) of arc structure, inside that inserted bar (33) can insert jack (32) is fixed with stator core (21) install first spring (34) between inserted bar (33) and fixed cover (1) pull rod (31) is fixed to the one end of inserted bar (33).
3. The stator structure for a high efficiency canned motor pump according to claim 1, wherein: conducting structure (4) include conducting strip (41) the inside of fixed cover (1) slides conducting strip (41) the one end of conducting strip (41) is passed through bearing (43) and is rotated and be connected with locking bolt (42), just locking bolt (42) run through the lateral wall of fixed cover (1) and with fixed cover (1) threaded connection fixed guide arm (44) on conducting strip (41), guide arm (44) slide with fixed cover (1).
4. A stator structure for a high efficiency canned motor pump according to claim 3, wherein: the cross section of the conducting strip (41) is of an arc-shaped structure, the conducting strip (41) can abut against two adjacent stator cores (21), four guide rods (44) are arranged on each conducting strip (41), and the four guide rods (44) are arranged in pairwise symmetry.
5. The stator structure for a high efficiency canned motor pump according to claim 4, wherein: mounting structure (5) include permanent magnet (51), permanent magnet (51) are installed to the one end of stator core (21) set up spacing groove (52) on permanent magnet (51) and stator core (21), the corresponding fixed pin (53) of size with spacing groove (52) can be placed to the inside of spacing groove (52), fixed pin (53) are fixed with stator core (21) through fixing bolt (54).
6. The stator structure for a high efficiency canned motor pump according to claim 1, wherein: the fixing structure (6) comprises a bottom cover (61), one end of the fixing sleeve (1) is fixedly connected with the bottom cover (61), two vertical plates (62) are fixed on the bottom cover (61) in a symmetrical relation, a wiring strip (63) is installed between the two vertical plates (62), two ends of the wiring strip (63) are respectively and fixedly connected with a positioning block (64) in a symmetrical relation, the positioning blocks (64) are in sliding connection with the two vertical plates (62), and the positioning blocks (64) and the vertical plates (62) are locked and fixed through positioning bolts (65).
7. The stator structure for a high efficiency canned motor pump according to claim 6, wherein: wiring structure includes wiring groove (71) the inside of wiring strip (63) is equipped with a plurality of wiring grooves (71) the inside fixedly connected with busbar (73) of wiring groove (71) the inside of wiring strip (63) is the symmetry and slides and has two slide (75) install second spring (76) between slide (75) and wiring strip (63) in the one end fixedly connected with connecting rod (77) of slide (75) fixedly connected with clamp splice (78) on connecting rod (77).
8. The stator structure for a high efficiency canned motor pump according to claim 7, wherein: the inside of wiring strip (63) is symmetrical relation sliding connection has two buttons (72), two the outside fixedly connected with spacing ring (74) of button (72) the inside of wiring strip (63) is mirror image relation and rotates and be connected with two dwang (79), and two the both ends of dwang (79) are contradicted with button (72) and slide (75) respectively.
9. A shielding electric pump adopting the stator structure of any one of the claims 1 to 8 is characterized by further comprising a control module for monitoring the state of the shielding electric pump, wherein the control module comprises a singlechip control circuit, a power supply circuit, a motor driving circuit, a sampling circuit, a voltage detection circuit and a current detection circuit;
the singlechip control circuit is electrically connected with the power supply circuit, and the power supply circuit provides electric energy for the singlechip control circuit;
the power circuit is electrically connected with the motor driving circuit and provides electric energy for the motor driving circuit;
the current detection circuit is electrically connected with the singlechip control circuit;
the voltage detection circuit is electrically connected between the power supply circuit and the singlechip control circuit;
the sampling circuit is electrically connected between the current detection circuit and the motor driving circuit and is used for collecting the current of the motor driving circuit in real time.
10. The canned motor pump of claim 9, wherein: the power supply circuit comprises an EMC circuit, a rectifying circuit and a working power supply circuit;
the input end of the EMC circuit is externally connected with a mains supply, the output end of the EMC circuit is electrically connected with the input end of the rectifying circuit, and the output end of the rectifying circuit is electrically connected with the working power supply circuit;
the electromagnetic compatibility (EMC) circuit is used for resisting electromagnetic interference existing in an environment where the EMC circuit is located, the rectifying circuit is used for shaping alternating current into required direct current, the working power supply circuit comprises a driving power supply circuit and a power supply circuit, the driving power supply circuit is used for supplying power to the motor driving circuit, and the power supply circuit is used for supplying power to the motor driving circuit.
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| CN202110572806.8A CN113241864B (en) | 2021-05-25 | 2021-05-25 | Stator structure for efficient canned motor pump and canned motor pump |
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| CN202110572806.8A CN113241864B (en) | 2021-05-25 | 2021-05-25 | Stator structure for efficient canned motor pump and canned motor pump |
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| CN113241864A true CN113241864A (en) | 2021-08-10 |
| CN113241864B CN113241864B (en) | 2022-05-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114705985A (en) * | 2022-03-31 | 2022-07-05 | 东方电气集团东方电机有限公司 | Stator core compression state monitoring device, method and equipment |
| CN114779073A (en) * | 2022-03-31 | 2022-07-22 | 东方电气集团东方电机有限公司 | Stator core compression state fault detection device, detection method, generator set monitoring system and computer readable storage medium |
| CN117526588A (en) * | 2024-01-05 | 2024-02-06 | 内蒙古工业大学 | Electromagnetic shielding device for wireless power transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114779073A (en) * | 2022-03-31 | 2022-07-22 | 东方电气集团东方电机有限公司 | Stator core compression state fault detection device, detection method, generator set monitoring system and computer readable storage medium |
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| CN114779073B (en) * | 2022-03-31 | 2023-10-13 | 东方电气集团东方电机有限公司 | Stator core compression state fault detection device, detection method, generator set monitoring system and computer readable storage medium |
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| CN117526588B (en) * | 2024-01-05 | 2024-03-26 | 内蒙古工业大学 | Electromagnetic shielding device for wireless power transmission |
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