CN113586469A - Rotating speed steering detection device of high-temperature and high-pressure canned motor pump - Google Patents
Rotating speed steering detection device of high-temperature and high-pressure canned motor pump Download PDFInfo
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- CN113586469A CN113586469A CN202110959391.XA CN202110959391A CN113586469A CN 113586469 A CN113586469 A CN 113586469A CN 202110959391 A CN202110959391 A CN 202110959391A CN 113586469 A CN113586469 A CN 113586469A
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- detection device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention relates to the technical field of rotating speed detection, and discloses a rotating speed steering detection device of a high-temperature and high-pressure shielding electric pump, which comprises a bearing sleeve, wherein a driving shaft sleeve is fixedly arranged at one end of the bearing sleeve, a detection device is fixedly arranged at one end of the driving shaft sleeve, an image phase presented by induced current generated by a magnetoelectric sensor I can be ahead of an image phase presented by induced current generated by a magnetoelectric sensor II, and the ahead degree is ninety degrees. If the condition of reversal appears, the image phase that the induced current that will lead to II productions of magnetoelectric sensor appears can lead to the image phase that the induced current that I productions of magnetoelectric sensor appears in advance to can let the quick judgement this equipment of operating personnel be in the commentaries on classics of reversal and change, avoided the canned motor pump because adopt the static seal and make the unable direct observation of operating personnel turn to of inside pivot and lead to the problem that the pump body damage is caused to the unable discovery in time when leading to appearing the reversal, improved the device's practicality.
Description
Technical Field
The invention relates to the technical field of rotating speed detection, in particular to a rotating speed steering detection device of a high-temperature and high-pressure canned motor pump.
Background
The high-temperature high-pressure canned pump is a pump adopting a complete static seal type, the pump and a driving motor are both sealed in a pressure container filled with pumped media, and a rotating magnetic field is provided by an electric wire and drives a rotor.
Traditional high temperature high pressure canned motor pump though has a great deal of advantage, nevertheless still have certain limitation in the in-service use of reality, owing to be in complete static seal state, the rotation direction of canned motor pump inside pivot can't audio-visually be known to operating personnel, if be in the state of reversal for a long time, can lead to spindle nose screw pine to take off, the impeller drops, the possibility that back spindle nose nut pine takes off, can lead to canned motor pump to damage or even condemned possibility, to this, this application file proposes a rotational speed of high temperature high pressure canned motor pump and turns to detection device, aim at solving the above-mentioned problem that proposes.
Disclosure of Invention
Aiming at the defects of the rotating speed steering detection device of the existing high-temperature high-pressure canned motor pump in the background technology in the use process, the invention provides the rotating speed steering detection device of the high-temperature high-pressure canned motor pump, which has the advantage that an operator can know the rotating direction of the inner rotor of the pump in a short time, and solves the problem that the traditional canned motor pump cannot directly observe the rotating direction of the rotor due to the adoption of static seal.
The invention provides the following technical scheme: a rotating speed steering detection device of a high-temperature high-pressure canned motor pump comprises a bearing sleeve, wherein a driving shaft sleeve is fixedly installed at one end of the bearing sleeve, a detection device is fixedly installed at one end of the driving shaft sleeve, two bearing connecting seats and two bearing connecting seats are fixedly sleeved in an inner cavity of the bearing sleeve, a main shaft is movably sleeved in the bearing connecting seats and extends into an inner cavity of the detection device from the inner cavity of the bearing sleeve, a rotor is fixedly sleeved on the outer surface of the main shaft and positioned in the inner cavity of the driving shaft sleeve, a stator is fixedly installed at one end of the inner cavity of the driving shaft sleeve, the position of the stator corresponds to the position of the rotor, a magnet device is fixedly sleeved on the outer surface of the main shaft and positioned in the inner cavity of the detection device, a shell end face is fixedly installed at one end of the detection device, and a shaft connecting end face is fixedly installed at the position, close to one end, of the outer surface of the main shaft, and a central control device is fixedly arranged on the outer surface of the driving shaft sleeve.
Preferably, the magnet device includes the coding dish, the coding dish is fixed cup joints in the outside of main shaft and corresponding with detection device, the quantity that mounting hole and mounting hole were seted up to the coding dish surface is twenty and distributes with annular array's mode, contained angle between the mounting hole axis is the eighteen degrees, fixed mounting has the spacing ring on the mounting hole inner wall and the position that is close to the outside, the bottom fixed mounting of mounting hole has the spring, the one end fixed mounting of spring has stroke piece and mounting hole activity to cup joint, the one end fixed mounting of stroke piece has the permanent magnet.
Preferably, the permanent magnet is made of a permanent magnet, and the positive electrode and the negative electrode are arranged in a manner of facing outwards at intervals.
Preferably, the detection device comprises a detection shaft sleeve, one end of the detection shaft sleeve is fixedly connected with the driving shaft sleeve, a position of the inner wall of the detection shaft sleeve close to the middle is fixedly provided with a limit sleeve, the inner ring of the limit sleeve is provided with a chute, and the inside of the chute is movably sleeved with a gear sliding ring, the position of the gear sliding ring corresponds to the coding disc, the positions of the inner ring of the gear sliding ring and the positions close to the two ends are respectively and fixedly provided with a magnetoelectric sensor I and a magnetoelectric sensor II, an included angle of an axis between the magnetoelectric sensor I and the magnetoelectric sensor II is one hundred seventy one degree, the initial position of the magnetoelectric sensor I is in a horizontal state, a power machine is fixedly arranged on the outer surface of the detection shaft sleeve, a gear is fixedly arranged at one end of an output shaft of the power machine, the outer surface of the detection shaft sleeve is provided with an arc-shaped hole, and the gear is meshed with the outer surface of the gear sliding ring through the arc-shaped hole.
Preferably, the well accuse equipment includes the shell, one side fixed mounting of shell surface has the acceptance port, magnetoelectric sensor Ia and magnetoelectric sensor IIb's output is connected with the input of accepting the port through the wire, fixed mounting has signal converter and accepts the output of port and is connected with signal converter's input through signal connection's mode on the position of shell inner chamber just being located the centre, fixed mounting has PLC on the position that the shell inner chamber is located signal converter one side, fixed mounting has AC/DC switching power supply on the position that the shell inner chamber is located the signal converter opposite side, signal converter's output is connected with PLC and AC/DC switching power supply's input through signal connection's mode, the opposite side fixed mounting of shell surface has power input port, rotational speed signal delivery outlet and steering switching volume output, the output end of the AC/DC switching power supply is connected with the input end of the power supply input port in a signal connection mode, and the output end of the PLC is connected with the rotating speed signal output port and the input end of the steering switching value output port in a signal connection mode.
Preferably, the PLC can obtain the rotation direction by calculating the phase difference of square waves of the two sensors, namely the magnetoelectric sensor Ia and the magnetoelectric sensor IIb.
The invention has the following beneficial effects:
1. according to the invention, the included angle between the axes of the mounting holes is eighteen degrees, the included angle between the magnetoelectric sensor I and the magnetoelectric sensor II is one hundred seventy one degree, meanwhile, the arrangement mode that the positive pole and the negative pole face outwards at intervals is adopted by the permanent magnet, so that in the process of rotating the magnet device, when the magnetoelectric sensor I corresponds to the permanent magnet with the positive pole facing outwards, the position corresponding to the magnetoelectric sensor II is positioned in a blank area between the permanent magnets, at the moment, the magnetoelectric sensor I generates positive induced current, the magnetoelectric sensor II does not generate induced current, when the blank area between the magnetoelectric sensor I and the permanent magnet corresponds, the magnetoelectric sensor II corresponds to the permanent magnet with the positive pole facing outwards, at the moment, the magnetoelectric sensor I does not generate induced current, the magnetoelectric sensor II generates positive induced current, when the magnetoelectric sensor I corresponds to the permanent magnet with the negative pole facing outwards, the position corresponding to the magnetoelectric sensor II is positioned in a blank area between the permanent magnets, at the moment, the magnetoelectric sensor I generates reverse induced current, but the magnetoelectric sensor II does not generate induced current, when the blank area between the magnetoelectric sensor I and the permanent magnets corresponds, the magnetoelectric sensor II corresponds to the permanent magnets with the negative poles facing outwards, at the moment, the magnetoelectric sensor I does not generate induced current, but the magnetoelectric sensor II generates reverse induced current, thereby completing a period, as can be seen from figure 11, when the main shaft rotates in the forward direction, the image phase presented by the induced current generated by the magnetoelectric sensor I can lead the image phase presented by the induced current generated by the magnetoelectric sensor II, and the leading degree is ninety degrees, if the condition of reverse rotation occurs, the image phase presented by the induced current generated by the magnetoelectric sensor II can lead the image phase presented by the induced current generated by the magnetoelectric sensor I, therefore, whether the equipment is in reversal rotation or not can be judged quickly by an operator, the problem that the pump body is damaged due to the fact that the shielding pump cannot be found in time when the operation personnel cannot directly observe the steering of the internal rotating shaft and the reversal rotation occurs due to the fact that the shielding pump adopts static sealing is avoided, and the practicability of the device is improved.
2. The spring is fixedly arranged at the bottom of the mounting hole, so that when the coding disc normally rotates, the spring, the stroke blocks and the permanent magnet are in a dynamic balance state, the centrifugal force borne by all the stroke blocks and the permanent magnet is the same, the springs are the same, when the rotation center of the coding disc deviates, the distance between the stroke blocks and the permanent magnet in the deviation direction and the actual rotation center is increased, the centrifugal force borne by the coding disc is increased, the pulling-up amount of the spring is increased, namely the extension amount of the permanent magnet is increased, the distance between the coding disc and one of the magnetoelectric sensor I and the magnetoelectric sensor II is reduced, the induced current strength is increased, the distance between the coding disc and the one of the magnetoelectric sensor I and the magnetoelectric sensor II is reduced, the centrifugal force borne by the coding disc is reduced, namely the extension amount of the permanent magnet is reduced, the distance between the magnetic sensor and the other one of the magnetoelectric sensor I and the magnetoelectric sensor II is increased, meanwhile, the induced current strength is weakened, the fluctuation range on the graphs of the magnetoelectric sensor I and the magnetoelectric sensor II is different, the difference shown in figures 12 and 13 can be shown, an operator can directly judge whether the spindle and the magnet device are in a dynamic balance state through the graphs, the problem that the equipment is damaged due to the fact that the rotating center of the spindle and the magnet device deviates and the operator cannot observe timely is avoided, in addition, the initial position of the magnetoelectric sensor I is in a horizontal state, the positions of the magnetoelectric sensor I and the magnetoelectric sensor II are located on two sides of the magnet device, the problem that the graphs are not aligned due to the influence of the gravity of a spring, a stroke block and a permanent magnet on the centrifugal force is avoided, and the graph precision of the device is improved.
3. According to the invention, the arc-shaped hole is formed in the outer surface of the detection shaft sleeve, and the gear is meshed with the outer surface of the gear sliding ring through the arc-shaped hole, so that when the power machine drives the gear and drives the gear sliding ring to rotate, when the rotating direction is the same as the rotating direction of the magnet device, the relative rotating speed between the magnetoelectric sensor I and the magnetoelectric sensor II and the permanent magnet on the outer surface of the coding disc is reduced, the period of the graph is prolonged as shown in figure 14, the difference between the graphs formed by the magnetoelectric sensor I and the magnetoelectric sensor II can be more visually seen, the problem that the observation is difficult due to the fact that the image period formed by the magnetoelectric sensor I and the magnetoelectric sensor II is small when the main shaft rotates at a high speed is avoided, and the use difficulty of the device is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic view of a structural magnet assembly of the present invention;
FIG. 4 is a schematic cross-sectional view of a structural magnet assembly of the present invention;
FIG. 5 is an enlarged view of the point A in FIG. 4;
FIG. 6 is a structural diagram of the present invention viewed from the right;
FIG. 7 is a schematic view of a structural inspection apparatus according to the present invention;
FIG. 8 is a schematic cross-sectional view of a structure detecting device according to the present invention;
FIG. 9 is a right side view of the structure detecting device of the present invention;
FIG. 10 is a schematic diagram of electrical signal connections for a magnetoelectric sensor according to the present invention;
FIG. 11 is a wave diagram illustrating the normal operation of the structure of the present invention;
FIG. 12 is a diagram of an electric wave when the rotation center of the present invention is deviated to one side;
FIG. 13 is a diagram of the electric wave when the center of rotation of the present invention is shifted to the other side;
FIG. 14 is an electric wave diagram of the structure of the present invention when rotating the annular rotating plate.
In the figure: 1. a bearing housing; 2. a drive shaft sleeve; 3. a detection device; 31. detecting the shaft sleeve; 32. a limiting sleeve; 33. a gear slip ring; 34a, a magnetoelectric sensor I; 34b, a magnetoelectric sensor II; 35. a power machine; 36. a gear; 4. a bearing connecting seat; 5. a main shaft; 6. a rotor; 7. a stator; 8. an encoding device; 81. a code disc; 82. mounting holes; 83. a limiting ring; 84. a spring; 85. a stroke block; 86. a permanent magnet; 9. a housing end face; 10. the shaft is connected with the end surface; 11. a central control device; 111. a housing; 112. an acceptance port; 113. a signal converter; 114. a PLC; 115. an AC/DC switching power supply; 116. a power supply input port; 117. a rotational speed signal output port; 118. and outputting the steering switching value.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a rotating speed steering detection device for a high-temperature high-pressure canned motor pump comprises a bearing housing 1, a driving shaft housing 2 is fixedly installed at one end of the bearing housing 1, a detection device 3 is fixedly installed at one end of the driving shaft housing 2, two bearing connection bases 4 are fixedly sleeved in an inner cavity of the bearing housing 1, a main shaft 5 is movably sleeved in the bearing connection bases 4 and extends into an inner cavity of the detection device 3 from the inner cavity of the bearing housing 1, a rotor 6 is fixedly sleeved on the outer surface of the main shaft 5 and located in the inner cavity of the driving shaft housing 2, a stator 7 is fixedly installed at one end of the inner cavity of the driving shaft housing 2, the position of the stator 7 corresponds to the rotor 6, a coding device 8 is fixedly sleeved on the outer surface of the main shaft 5 and located in the inner cavity of the detection device 3, and a housing end face 9 is fixedly installed at one end of the detection device 3, and a shaft connecting end face 10 is fixedly arranged on the outer surface of the main shaft 5 at a position close to one end.
Referring to fig. 3-8, the encoding device 8 includes an encoding disk 81, the encoding disk 81 is fixedly sleeved outside the main shaft 5 and corresponds to the detecting device 3, the outer surface of the encoding disk 81 is provided with mounting holes 82, the number of the mounting holes 82 is twenty, and the mounting holes 82 are distributed in an annular array manner, an included angle α between axes of the mounting holes 82 is eighteen degrees, an included angle β between axes of the magnetoelectric sensor i 34a and the magnetoelectric sensor ii 34b is one hundred seventy one degree, and meanwhile, when the magnetoelectric sensor i 34a and the magnetoelectric sensor ii 86 with their positive and negative poles facing outward are arranged in an interval manner, so that during rotation of the encoding device 8, when the magnetoelectric sensor i 34a and the permanent magnet 86 with their positive poles facing outward are opposite, a position corresponding to the magnetoelectric sensor ii 34b is located in a blank area between the permanent magnets 86, at this time, the magnetoelectric sensor i 34a generates a positive direction and the magnetoelectric sensor ii 34b does not generate induced current, when the empty area between the magnetoelectric sensor I34 a and the permanent magnet 86 corresponds, the magnetoelectric sensor II 34b corresponds to the permanent magnet 86 with the positive electrode facing outwards, at the moment, the magnetoelectric sensor I34 a does not generate induced current and the magnetoelectric sensor II 34b generates forward induced current, when the magnetoelectric sensor I34 a corresponds to the permanent magnet 86 with the negative electrode facing outwards, the position corresponding to the magnetoelectric sensor II 34b is positioned in the empty area between the permanent magnets 86, at the moment, the magnetoelectric sensor I34 a generates reverse induced current and the magnetoelectric sensor II 34b does not generate induced current, when the empty area between the magnetoelectric sensor I34 a and the permanent magnet 86 corresponds, the magnetoelectric sensor II 34b corresponds to the permanent magnet 86 with the negative electrode facing outwards, at the moment, the magnetoelectric sensor I34 a does not generate induced current and the magnetoelectric sensor II 34b generates reverse induced current, thereby completing a period, it can be seen from fig. 11 that when the main shaft 5 rotates in the forward direction, the image phase presented by the induced current generated by the magnetoelectric sensor i 34a will lead the image phase presented by the induced current generated by the magnetoelectric sensor ii 34b, and the leading magnitude is ninety degrees, if the rotation occurs, the image phase presented by the induced current generated by the magnetoelectric sensor ii 34b will lead the image phase presented by the induced current generated by the magnetoelectric sensor i 34a to lead the image phase presented by the induced current generated by the magnetoelectric sensor i 34a, so that the operator can quickly determine whether the device is in the rotation change of the rotation, the problem that the pump body is damaged due to the fact that the operator cannot directly observe the rotation direction of the internal rotating shaft due to the adoption of static seal and cannot timely find the pump body when the rotation occurs is avoided, the practicability of the device is improved, the position close to the outer side of the inner wall of the mounting hole 82 is fixedly provided with the limit ring 83, the spring 84 is fixedly installed at the bottom of the installation hole 82, so that when the encoding disk 81 rotates normally, the spring 84, the stroke blocks 85 and the permanent magnets 86 are in a dynamic balance state, the centrifugal force applied to all the stroke blocks 85 and the permanent magnets 86 is the same, so that the springs 84 are the same, when the rotation center of the encoding disk 81 deviates, the distance between the stroke blocks 85 and the permanent magnets 86 in the deviation direction and the actual rotation center increases, the centrifugal force applied to the springs increases, the pulling-up amount of the springs 84 increases, namely the extending amount of the permanent magnets 86 increases, the distance between the springs and one of the magnetoelectric sensors I34 a and II 34b decreases, the induced current strength increases, the distance between the stroke blocks 85 and the permanent magnets 86 in the deviation opposite direction and the actual rotation center decreases, so that the centrifugal force applied to the springs decreases, therefore, the pulling-up amount of the spring 84 is reduced, namely the extending amount of the permanent magnet 86 is reduced, the distance between the spring 84 and the other one of the magnetoelectric sensor I34 a and the magnetoelectric sensor II 34b is increased, the induced current strength is weakened, the fluctuation ranges of the graphs of the magnetoelectric sensor I34 a and the magnetoelectric sensor II 34b are different, the differences shown in the figures 12 and 13 can be presented, an operator can directly judge whether the spindle 5 and the encoding device 8 are in a dynamic balance state through the graphs, the problem that equipment is damaged due to the fact that the rotation centers of the spindle 5 and the encoding device 8 are deviated and cannot be observed timely by the operator is solved, a stroke block 85 is fixedly installed at one end of the spring 84, the stroke block 85 is movably sleeved with the installation hole 82, and the permanent magnet 86 is fixedly installed at one end of the stroke block 85.
Referring to fig. 3, the permanent magnet 86 is made of a permanent magnet and the positive and negative poles are arranged in an outward direction at intervals.
Referring to fig. 3-8, the detecting device 3 includes a detecting shaft sleeve 31, one end of the detecting shaft sleeve 31 is fixedly connected with the driving shaft sleeve 2, a position of the inner wall of the detecting shaft sleeve 31 near the middle is fixedly provided with a position-limiting sleeve 32, an inner ring of the position-limiting sleeve 32 is provided with a sliding slot, a gear sliding ring 33 is movably sleeved inside the sliding slot, the position of the gear sliding ring 33 corresponds to the encoding disk 81, positions of the inner ring of the gear sliding ring 33 near two ends are respectively and fixedly provided with a magnetoelectric sensor i 34a and a magnetoelectric sensor ii 34b, an axis included angle β between the magnetoelectric sensor i 34a and the magnetoelectric sensor ii 34b is one hundred and seventy one degree, an initial position of the magnetoelectric sensor i 34a is in a horizontal state, so that the positions of the magnetoelectric sensor i 34a and the magnetoelectric sensor ii 34b are located at two sides of the encoding device 8, and the problem of misalignment of the centrifugal force caused by the influence of the self-gravity of the spring 84, the stroke block 85 and the permanent magnet 86 is avoided, the graphic precision of the device is improved, a power machine 35 is fixedly arranged on the outer surface of a detection shaft sleeve 31, a gear 36 is fixedly arranged at one end of an output shaft of the power machine 35, an arc-shaped hole is formed in the outer surface of the detection shaft sleeve 31, the gear 36 is meshed with the outer surface of a gear sliding ring 33 through the arc-shaped hole, when the power machine 35 drives the gear 36 and drives the gear sliding ring 33 to rotate, when the rotating direction is the same as the rotating direction of the coding device 8, the relative rotating speeds between a magnetoelectric sensor I34 a and a magnetoelectric sensor II 34b and a permanent magnet 86 positioned on the outer surface of an encoding disk 81 are reduced, so that the period of the graphic is prolonged as shown in figure 14, the difference between the graphics formed by the magnetoelectric sensor I34 a and the magnetoelectric sensor II 34b can be more visually seen, and the problem that the observation is difficult due to the small image period formed by the magnetoelectric sensor I34 a and the magnetoelectric sensor II 34b when a main shaft 5 rotates at a high speed is avoided, the use difficulty of the device is reduced.
Well accuse equipment 11 includes shell 111, one side fixed mounting of shell 111 surface has accepts port 112, magnetoelectric sensor I34 a and magnetoelectric sensor II 34 b's output is connected with the input of accepting port 112 through the wire, fixed mounting has signal converter 113 and accepts port 112's output and is connected with signal converter 113's input through signal connection's mode on the position of shell 111 inner chamber just being located the centre, fixed mounting has PLC114 on the position that the shell 111 inner chamber is located signal converter 113 one side, fixed mounting has AC/DC switching power supply 115 on the position that the shell 111 inner chamber is located signal converter 113 opposite side, signal converter 113's output is connected with PLC114 and AC/DC switching power supply 115's input through signal connection's mode, the opposite side fixed mounting of shell 111 surface has power input port 116, Rotational speed signal output port 117 and steering switching value output 118, AC/DC switching power supply 115's output is connected with power input port 116's input through signal connection's mode, PLC 114's output is connected with rotational speed signal output port 117 and steering switching value output 118's input through signal connection's mode for when the outside permanent magnet 86 of code dish 81 sweeps the tip of magnetoelectric sensor I34 a and magnetoelectric sensor II 34b fast, magnetoelectric sensor I34 a and magnetoelectric sensor II 34b produce the induced electromotive force and pass through the wire signal transmission to signal converter 113 in, signal converter 113 converts the received alternating current signal into the distinguishable square wave signal of PLC114 after, send into PLC terminal mouth.
The PLC114 can obtain the rotation direction by calculating the phase difference of square waves of the two sensors, namely the magnetoelectric sensor I34 a and the magnetoelectric sensor II 34 b.
The using method of the invention is as follows:
when the magnetic-electric sensor I34 a is used, when the positive pole of the magnetic-electric sensor I34 a corresponds to the permanent magnet 86 with the outward positive pole, the position corresponding to the magnetic-electric sensor II 34b is positioned in a blank area between the permanent magnets 86, at the moment, the magnetic-electric sensor I34 a generates forward induced current, the magnetic-electric sensor II 34b does not generate induced current, when the magnetic-electric sensor I34 a corresponds to the blank area between the permanent magnets 86 with the outward positive pole, the magnetic-electric sensor II 34b corresponds to the permanent magnet 86 with the outward positive pole, at the moment, the magnetic-electric sensor I34 a does not generate induced current, the magnetic-electric sensor II 34b generates forward induced current, when the magnetic-electric sensor I34 a corresponds to the permanent magnet 86 with the outward negative pole, the position corresponding to the magnetic-electric sensor II 34b is positioned in the blank area between the permanent magnets 86, at the moment, the magnetic-electric sensor I34 a generates reverse induced current, and the magnetic sensor II 34b does not generate induced current, when the blank area between the magnetoelectric sensor i 34a and the permanent magnet 86 corresponds, the magnetoelectric sensor ii 34b corresponds to the permanent magnet 86 with the cathode facing outward, and at this time, the magnetoelectric sensor i 34a does not generate induced current, but the magnetoelectric sensor ii 34b generates reverse induced current, thereby completing a cycle, as can be seen from fig. 11, when the spindle 5 rotates in the forward direction, the image phase presented by the induced current generated by the magnetoelectric sensor i 34a will lead the image phase presented by the induced current generated by the magnetoelectric sensor ii 34b, and the leading magnitude is ninety degrees, if a reverse rotation occurs, the image phase presented by the induced current generated by the magnetoelectric sensor ii 34b will lead the image phase presented by the induced current generated by the magnetoelectric sensor i 34a, thereby enabling an operator to quickly determine whether the apparatus is in a reverse rotation change, when the encoding disk 81 is in normal rotation, the spring 84, the stroke block 85 and the permanent magnet 86 are in a dynamic balance state at the time, centrifugal forces applied to all the stroke blocks 85 and the permanent magnet 86 are the same, so that the springs 84 are the same, when a rotation center of the encoding disk 81 deviates, a distance between the stroke block 85 and the permanent magnet 86 in the deviation direction and an actual rotation center increases, so that the centrifugal force applied to the encoding disk increases, a pulling amount of the spring 84 increases, that is, an extending amount of the permanent magnet 86 increases, a distance between the spring and one of the magnetoelectric sensor i 34a and the magnetoelectric sensor ii 34b decreases, and an induced current strength increases, a distance between the stroke block 85 and the permanent magnet 86 in the deviation opposite direction and the actual rotation center decreases, so that the pulling amount of the spring 84 decreases, that the extending amount of the permanent magnet 86 decreases, the distance between the magnetic sensor I34 a and the other one of the magnetic sensor II 34b is increased, the induced current strength is weakened, the fluctuation range on the patterns of the magnetic sensor I34 a and the magnetic sensor II 34b is different, an operator can directly judge whether the main shaft 5 and the coding device 8 are in a dynamic balance state through the patterns, and when the power machine 35 drives the gear 36 and drives the gear sliding ring 33 to rotate, when the rotation direction is the same as the rotation direction of the coding device 8, the relative rotation speed between the magnetic sensor I34 a and the magnetic sensor II 34b and the permanent magnet 86 on the outer surface of the coding disc 81 is reduced, so that the period of the patterns is lengthened as shown in fig. 14, and the difference between the patterns formed by the magnetic sensor I34 a and the magnetic sensor II 34b can be seen more visually.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides a rotational speed of high temperature high pressure canned motor pump turns to detection device, includes bearing housing (1), its characterized in that: the one end fixed mounting of bearing housing (1) has drive axle sleeve (2), the one end fixed mounting of drive axle sleeve (2) has detection device (3), the fixed quantity that has cup jointed bearing connecting seat (4) and bearing connecting seat (4) of inner chamber of bearing housing (1) is two, the inside activity of bearing connecting seat (4) has cup jointed main shaft (5) and extends to the inner chamber of detection device (3) from the inner chamber of bearing housing (1), fixed the cover has been cup jointed rotor (6) on the position that main shaft (5) surface just is located drive axle sleeve (2) inner chamber, the one end fixed mounting of drive axle sleeve (2) inner chamber has stator (7) and the position of stator (7) to correspond with rotor (6), fixed the cover has been cup jointed magnet device (8) on the position that main shaft (5) surface just is located detection device (3) inner chamber, one end of the detection device (3) is fixedly provided with a shell end face (9), the outer surface of the main shaft (5) is fixedly provided with a shaft connecting end face (10) at a position close to one end, and the outer surface of the driving shaft sleeve (2) is fixedly provided with a central control device (11).
2. The device for detecting the rotation speed and the rotation direction of the canned motor pump with high temperature and high pressure according to claim 1, wherein: magnet device (8) are including coding disc (81), coding disc (81) are fixed cup joints in the outside of main shaft (5) and corresponding with detection device (3), the quantity that mounting hole (82) and mounting hole (82) were seted up to coding disc (81) surface is twenty and distributes with annular array's mode, contained angle alpha between mounting hole (82) axis is the eighteen degree, fixed mounting has spacing ring (83) on the position of mounting hole (82) inner wall and be close to the outside, the bottom fixed mounting of mounting hole (82) has spring (84), the one end fixed mounting of spring (84) has stroke piece (85) and cup joints with mounting hole (82) activity, the one end fixed mounting of stroke piece (85) has permanent magnet (86).
3. The rotation speed steering detection device of the high-temperature high-pressure canned motor pump according to claim 2, characterized in that: the permanent magnet (86) adopts an arrangement mode that the positive pole and the negative pole face outwards at intervals.
4. The device for detecting the rotation speed and the rotation direction of the canned motor pump with high temperature and high pressure according to claim 1, wherein: detection device (3) is including detecting axle sleeve (31), the one end and the drive axle sleeve (2) fixed connection that detect axle sleeve (31), fixed mounting has stop collar (32) on detecting the position that axle sleeve (31) inner wall is close to the middle, gear sliding ring (33) have been cup jointed in the inside activity that the spout just this spout was seted up to the inner circle of stop collar (32), the position and the coding dish (81) of gear sliding ring (33) are corresponding, fixed mounting has magnetoelectric sensor I (34a) and magnetoelectric sensor II (34b) respectively on gear sliding ring (33) inner circle and the position that is close to both ends, axis contained angle beta is one hundred seventy one degree between magnetoelectric sensor I (34a) and magnetoelectric sensor II (34b), the initial position of magnetoelectric sensor I (34a) is in the horizontality, the outer fixed surface that detects axle sleeve (31) installs engine (35), one end of the output shaft of the power machine (35) is fixedly provided with a gear (36), the outer surface of the detection shaft sleeve (31) is provided with an arc-shaped hole, and the gear (36) is meshed with the outer surface of the gear sliding ring (33) through the arc-shaped hole.
5. The device for detecting the rotation speed and the rotation direction of the canned motor pump with high temperature and high pressure according to claim 1, wherein: well accuse equipment (11) includes shell (111), one side fixed mounting of shell (111) surface has acceptance port (112), the output of magnetoelectric sensor I (34a) and magnetoelectric sensor II (34b) is connected with the input of accepting port (112) through the wire, shell (111) inner chamber and be located the position in the middle fixed mounting have signal converter (113) and accept the output of port (112) and be connected with signal converter (113)'s input through signal connection's mode, fixed mounting has PLC (114) on the position that shell (111) inner chamber is located signal converter (113) one side, fixed mounting has AC/DC switching power supply (115) on the position that shell (111) inner chamber is located signal converter (113) opposite side, signal converter (113)'s output passes through signal connection's mode and is connected with PLC (114) and AC/DC switching power supply (115)'s input, the other side of the outer surface of the shell (111) is fixedly provided with a power supply input port (116), a rotating speed signal output port (117) and a steering switching value output (118), the output end of the AC/DC switching power supply (115) is connected with the input end of the power supply input port (116) in a signal connection mode, and the output end of the PLC (114) is connected with the rotating speed signal output port (117) and the input end of the steering switching value output (118) in a signal connection mode.
6. The device for detecting the rotation speed and the rotation direction of the canned motor pump with high temperature and high pressure according to claim 5, wherein: the PLC (114) can obtain the rotation direction by calculating the phase difference of square waves of the two sensors, namely the magnetoelectric sensor I (34a) and the magnetoelectric sensor II (34 b).
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| CN202110959391.XA CN113586469B (en) | 2021-08-20 | 2021-08-20 | Rotating speed steering detection device of high-temperature and high-pressure canned motor pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076127A (en) * | 2022-06-23 | 2022-09-20 | 大连环友屏蔽泵有限公司 | A direct measurement device for the rotational speed of a canned pump |
| WO2025016834A1 (en) * | 2023-07-17 | 2025-01-23 | Sulzer Management Ag | Rotary pump for conveying a fluid and method for determining the operational condition of a rotary pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203788087U (en) * | 2014-04-04 | 2014-08-20 | 成都瑞迪机械实业有限公司 | Electric linear driving device |
| CN110486290A (en) * | 2019-08-02 | 2019-11-22 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of canned motor pump |
| CN110486462A (en) * | 2019-09-12 | 2019-11-22 | 徐州徐工施维英机械有限公司 | Rotary reducer device and engineering machinery |
| CN211783282U (en) * | 2020-03-18 | 2020-10-27 | 山东海之冠工贸有限公司 | Flywheel signal hole signal reading device |
| CN112895896A (en) * | 2021-02-03 | 2021-06-04 | 山东奥唯克智能科技有限公司 | Automatic control system and control method for oil-driven unmanned vehicle |
-
2021
- 2021-08-20 CN CN202110959391.XA patent/CN113586469B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203788087U (en) * | 2014-04-04 | 2014-08-20 | 成都瑞迪机械实业有限公司 | Electric linear driving device |
| CN110486290A (en) * | 2019-08-02 | 2019-11-22 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of canned motor pump |
| CN110486462A (en) * | 2019-09-12 | 2019-11-22 | 徐州徐工施维英机械有限公司 | Rotary reducer device and engineering machinery |
| CN211783282U (en) * | 2020-03-18 | 2020-10-27 | 山东海之冠工贸有限公司 | Flywheel signal hole signal reading device |
| CN112895896A (en) * | 2021-02-03 | 2021-06-04 | 山东奥唯克智能科技有限公司 | Automatic control system and control method for oil-driven unmanned vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076127A (en) * | 2022-06-23 | 2022-09-20 | 大连环友屏蔽泵有限公司 | A direct measurement device for the rotational speed of a canned pump |
| WO2025016834A1 (en) * | 2023-07-17 | 2025-01-23 | Sulzer Management Ag | Rotary pump for conveying a fluid and method for determining the operational condition of a rotary pump |
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| CN113586469B (en) | 2023-04-07 |
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