CN117747359B - Manual switching-on mechanism of permanent magnet switch and operation method thereof - Google Patents
Manual switching-on mechanism of permanent magnet switch and operation method thereof Download PDFInfo
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- CN117747359B CN117747359B CN202410193751.3A CN202410193751A CN117747359B CN 117747359 B CN117747359 B CN 117747359B CN 202410193751 A CN202410193751 A CN 202410193751A CN 117747359 B CN117747359 B CN 117747359B
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Abstract
The invention relates to the technical field of switching equipment, in particular to a manual switching-on mechanism of a permanent magnet switch and an operation method thereof, wherein the manual switching-on mechanism comprises an external wiring assembly, a permanent magnet switch and a permanent magnet switch, wherein the external wiring assembly comprises an external fixed ring and an external wiring column; the inner connecting assembly comprises an inner fixed ring and a T-shaped insulating column, the inner fixed ring is coaxially sleeved on the inner side of the outer fixed ring, a second through groove is coaxially formed in the outer wall of the inner fixed ring and the first through groove, the T-shaped insulating column is slidably sleeved in the second through groove, a limiting disc is fixedly arranged on the side wall of the upper end of the T-shaped insulating column, and an adsorption disc is fixedly arranged on the inner side of the lower end of the T-shaped insulating column; and, open and shut floodgate subassembly, including adjusting post and regulating disk, the coaxial cover of adjusting post is inboard at interior solid ring, has seted up three blind groove along circumference array on the lateral wall of adjusting post, and has set firmly the permanent magnetism post on the interior bottom surface of blind groove, and this manual closing mechanism can avoid tripping operation appearing in the use, has improved the scope that conductive material used, improves the holistic life of device, and whole practicality is good.
Description
Technical Field
The invention relates to the technical field of switching equipment, in particular to a manual closing mechanism of a permanent magnet switch and an operation method thereof.
Background
At present, the requirements on the switching capacity and the switching-on and switching-off speed of a switching product in the power industry are higher and higher, but the requirements on the volume are smaller and smaller, and a permanent magnet switch has excellent switching capacity, smaller volume and simpler structure and is convenient to install and repair, the permanent magnet switch is common power switching equipment which can realize the switching-on and switching-off function of the power equipment though magnetic attraction, and certain defects still exist in actual use;
1. the existing permanent magnet switch adopts magnetic adsorption to switch on, but in the long-time electrifying process, heat is generated by the conductive metal, and according to the characteristics of metal temperature rise and magnetism reduction, the permanent magnet switch has the problem of poor contact in long-time use, and because the conductive metal needs to be magnetically adsorbed, the conductive metal can only be limited to the conductive metal which can be magnetically adsorbed, and the material consumption of the permanent magnet switch is limited;
2. When the existing permanent magnet switch is used for opening and closing the brake, the existing permanent magnet switch is matched with a spring (or an elastic sheet) to be used for resetting the metal guide plates, but the elastic potential energy of the existing permanent magnet switch spring is released in a prompt state, so that the metal guide plates are quickly collided, and the metal guide plate structure is easily damaged;
3. After the existing permanent magnet switch is switched on, the frequency vibration of the switch on itself and the influence of outside reasons are easy to cause loosening after the switch on, and in the long-time use process, the tripping condition occurs;
4. The existing permanent magnet switch has the problems that the internal and external wiring is limited in a narrower space due to the compact structure, and the heat is too high in the permanent magnet switch during long-time use, so that the service life of the permanent magnet switch is easy to be reduced;
Accordingly, there is a need for improvements in the art to address the above-described problems.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
In view of the problems of poor contact, limitation and material use existing in the manual switching-on mechanism of the existing permanent magnet switch in long-time use, a manual switching-on mechanism of the permanent magnet switch is provided.
In order to solve the technical problems, the invention provides the following technical scheme: the manual switching-on mechanism of the permanent magnet switch comprises an external wiring assembly, wherein the external wiring assembly comprises an external fixed ring and an external wiring column, three first through grooves are formed in the side wall of the external fixed ring along the circumferential array, internal threads are formed in the inner wall of each first through groove, a threaded insulating sleeve is fixedly arranged on the outer side of the external wiring column, and the threaded insulating sleeve is in spiral fit with the internal threads; the inner connecting assembly comprises an inner fixed ring and a T-shaped insulating column, the inner fixed ring is coaxially sleeved on the inner side of the outer fixed ring, a second through groove is coaxially formed in the outer wall of the inner fixed ring and is coaxially sleeved in the first through groove, the T-shaped insulating column is slidably sleeved in the second through groove, a limiting disc is fixedly arranged on the side wall of the upper end of the T-shaped insulating column, a second limiting ring is fixedly arranged on the inner wall of the lower end of the second through groove, a reset spring is slidably sleeved on the T-shaped insulating column at the position between the limiting disc and the second limiting ring, and an adsorption disc is fixedly arranged on the inner side of the lower end of the T-shaped insulating column; an adjusting groove is formed in one side wall of the inner fixed ring at the inner side of the second limiting ring along the radial direction, an inner connecting column is in clearance fit with the middle of the adjusting groove, a through hole is formed in the top surface of the T-shaped insulating column along the axial direction, a conductive column is fixedly sleeved in the through hole, and the conductive column is fixedly connected with the side wall of the inner connecting column; and the opening and closing brake assembly comprises an adjusting column and an adjusting disk, wherein the adjusting column is coaxially sleeved on the inner side of the inner fixed ring, three blind grooves are formed in the side wall of the adjusting column along the circumferential array, permanent magnet columns are fixedly arranged on the inner bottom surface of each blind groove, arc-shaped guide surfaces are circumferentially arranged on the side wall of each blind groove on one side of each permanent magnet column, the diameter ruler of each blind groove is equal to the diameter ruler of each second through groove, and the axes of the blind grooves and the second through grooves are located on the same plane.
The beneficial effects of the invention are as follows: when the manual switching-on mechanism is used, under the rotation of the adjusting column, when the blind groove, the first through groove and the second through groove are positioned in the same axial direction, the separation of the conductive column and the external wiring column can be realized under the magnetic adsorption of the permanent magnetic column, the switching-on is realized, when the adjusting column continues to rotate, under the guidance of the arc-shaped guide surface and the reset of the reset spring, the guide column is contacted with the external wiring column, and the switching-on is realized, and when the switching-on is performed, the side wall of the adjusting column is abutted against the bottom surface of the T-shaped insulating column, so that the poor contact caused by the separation of the guide column and the external wiring column can be avoided, and on the other hand, the external wiring column is not limited to magnetic adsorption materials, thereby improving the selection type of metal materials; when the brake is opened, the lower end of the T-shaped insulating column is positioned in the blind groove, so that free rotation of the adjusting column can be effectively avoided, and error connection is caused.
As a preferred embodiment of the manual closing mechanism of the permanent magnet switch of the present invention, wherein: a first limiting ring is fixedly arranged on the inner wall of the first through groove below the internal thread, an external thread is arranged on the side wall of the external wire column outside the threaded insulating sleeve, and a nut is sleeved on the external thread in a spiral manner; the end face of the external wiring column on the inner side of the first limiting ring is provided with a first contact lug, and the end face on the outer side of the conductive column is provided with a second contact lug which is used for being abutted against the first contact lug.
As a preferred embodiment of the manual closing mechanism of the permanent magnet switch of the present invention, wherein: the mounting rings are fixedly arranged on the two side walls of the outer fixed ring along the circumferential direction, the mounting rings are matched and fixed with the inner fixed ring through a plurality of fixing bolts arranged along the circumferential direction array, a cushion sleeve is fixedly arranged on one side, close to the adjusting groove, of the outer fixed ring along the circumferential direction array, and mounting holes penetrating through the outer fixed ring are formed in the cushion sleeve.
As a preferred embodiment of the manual closing mechanism of the permanent magnet switch of the present invention, wherein: the terminal surface of conducting column inboard has set firmly first bolt post, and first bolt post screw-fitting is on the mounting groove inner bottom surface, has seted up the screw groove on the conducting column lateral wall that is close to first bolt post one side, and the one end of inscription wire post has set firmly the second bolt post that is used for screw groove screw-fitting, has seted up the through-hole that is used for inscription wire post to slide to pass on the lateral wall of T shape insulating column, has set firmly the baffle on the other end of inscription wire post, and screw-fitting has the screw on one side of baffle.
As a preferred embodiment of the manual closing mechanism of the permanent magnet switch of the present invention, wherein: guide grooves are formed in the side wall of the adjusting column on one side of the blind groove along the circumferential direction, and guide rings used for clearance fit of the guide grooves are fixedly arranged on the side wall of the inner fixing ring along the circumferential direction.
As a preferred embodiment of the manual closing mechanism of the permanent magnet switch of the present invention, wherein: a front side disc is fixedly arranged on one end face of the adjusting column far away from the adjusting groove, and a rotating strip is fixedly arranged in the middle of the free end of the front side disc.
In view of the problems that the manual switching-on mechanism of the existing permanent magnet switch has material damage in long-time use, is easy to loosen after switching-on and has insufficient heat dissipation, three other further improvements are provided for the manual switching-on mechanism of the permanent magnet switch.
As a preferred embodiment of the manual closing mechanism of the permanent magnet switch of the present invention, wherein: the outer side of one end face of the adjusting column close to the adjusting groove is fixedly provided with an adjusting disk, three fan-shaped grooves are formed in the adjusting disk along the circumferential array, the fan-shaped grooves are used for sliding and penetrating of the inner connecting column, an arc-shaped guide plate used for guiding the inner connecting column is fixedly arranged on the outer arc wall of the fan-shaped groove, the circle center of the arc-shaped guide plate and the circle center of the arc-shaped guide surface are overlapped on the same vertical face, and a semicircular buckling groove used for buckling the inner connecting column is formed in one side wall of the fan-shaped groove.
As a preferred embodiment of the manual closing mechanism of the permanent magnet switch of the present invention, wherein: the radial outside of adjustment tank is provided with the spring plate, and the inboard of spring plate passes through fixing bolt fixed connection on an inner solid ring lateral wall, and the outside of spring plate supports to be closed on the adjustment plate lateral wall.
As a preferred embodiment of the manual closing mechanism of the permanent magnet switch of the present invention, wherein: and a heat dissipation cavity groove is formed in the inner fixed ring at a position between two adjacent second through grooves along the axial direction.
The invention has the following beneficial effects: when the manual switching-on mechanism is used, through the arrangement of the arc-shaped guide plate, in the switching-on process, the arc-shaped guide plate can play a limiting role in the movement of the inner wiring column when the adjusting plate is driven to rotate along with the adjusting column, and the elastic potential energy of the reset spring is released and is not instantaneously released, so that the first contact protrusion and the second contact protrusion are prevented from being quickly collided to cause damage;
Through the arrangement of the spring disc, under the condition of closing, the outer side edge of the spring disc is propped against the side wall of the adjusting disc, so that the rotation of the adjusting disc is avoided, and the loosening after closing is effectively avoided;
Through the setting in heat dissipation cavity groove between two adjacent second through grooves, can effectually dispel the heat to second through inslot portion, avoid producing too high heat after the circular telegram, influence holistic life, the mode that the second through groove set up along circumference array moreover also avoids passing in the space narrow between the second through groove, and the overall arrangement is more reasonable.
In addition, the invention also provides the following technical scheme: an operation method of a manual switching-on mechanism of a permanent magnet switch specifically comprises the following steps of;
S1: the three external connecting posts are connected with the external three-phase line, and the three internal connecting posts are connected with the internal three-phase line;
s2: when the blind groove, the first through groove and the second through groove are in a coaxial state, the T-shaped insulating column drives the second contact to move downwards under the magnetic adsorption of the permanent magnet column to the adsorption disc, and the first contact is separated from the second contact and is in a brake separating state;
s3: when the switch-on is needed, a worker rotates the adjusting column through the rotating bar, and under the guiding action of the arc-shaped guiding surface, the T-shaped insulating column is separated from the permanent magnet column;
S4: under the reset action of a reset spring, the T-shaped insulating column moves upwards, and the first contact head contacts with the second contact head to finish closing;
S5: after closing, the side wall of the adjusting column is propped against the bottom surface of the T-shaped insulating column, so that the limit of the T-shaped insulating column is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a schematic diagram of the overall structure of a manual switching-on mechanism of a permanent magnet switch in the present invention.
Fig. 2 is a rear view of the structure of fig. 1 in accordance with the present invention.
Fig. 3 is a vertical cross-sectional view of the structure of fig. 1 in the left-right direction in accordance with the present invention.
Fig. 4 is a vertical cross-sectional view of the structure of fig. 1 in the front-to-rear direction of the present invention.
Fig. 5 is a schematic view of the overall structure of the external connection assembly according to the present invention.
Fig. 6 is a diagram showing the outer fixing ring and the external connection wire column to be matched in the invention.
Fig. 7 is a schematic overall structure of an inner wiring assembly according to the present invention.
FIG. 8 is a schematic view of the overall structure of the inner fastening ring according to the present invention.
Fig. 9 is a schematic diagram showing the mating of the T-shaped insulating post, conductive post, return spring and inner terminal post of the present invention.
Fig. 10 is an exploded view of the structure of fig. 9 in accordance with the present invention.
FIG. 11 is a schematic view of the overall structure of the shutter assembly according to the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Example 1
Referring to fig. 1, 2, 3 and 4, a manual switching mechanism of a permanent magnet switch is provided in the first embodiment of the present invention, the manual switching mechanism is installed in a power distribution cabinet or a power control room, an external wire assembly 100 is connected to an external three-phase wire, an internal wire assembly 200 is connected to an internal three-phase wire, and a switching assembly 300 is used for switching power.
Specifically, the external wiring assembly 100 comprises an external solid ring 101 and an external wiring column 102, and an internal wiring assembly 200 comprises an internal solid ring 201 and a T-shaped insulating column 203, wherein the internal solid ring 201 is coaxially sleeved on the inner side of the external solid ring 101, and a second through groove 201b is coaxially arranged on the outer wall of the internal solid ring 201 and is coaxial with the first through groove 101 c; and, the opening and closing brake assembly 300 includes an adjusting column 301 and an adjusting disk 302, the adjusting column 301 is coaxially sleeved inside the inner fixing ring 201.
Referring to fig. 3, 4, 5 and 6 in detail, three first through grooves 101c are formed in the side wall of the outer fixing ring 101 in a circumferential array, internal threads 101c-2 are formed in the inner wall of the first through groove 101c, a threaded insulating sleeve 102a is fixedly arranged on the outer side of the external connection terminal 102, and the threaded insulating sleeve 102a is in screw fit with the internal threads 101c-2 so as to realize detachable connection of the threaded insulating sleeve 102 a;
The first limiting ring 101c-1 is fixedly arranged on the inner wall of the first through groove 101c below the internal thread 101c-2, so that the limiting effect on the threaded insulating sleeve 102a can be realized, the external thread 102d is arranged on the side wall of the external wiring column 102 outside the threaded insulating sleeve 102a, and the nut 102c is spirally sleeved on the external thread 102d, so that the external electric wire is matched and fixed;
Mounting rings 101b are fixedly arranged on two side walls of the outer solid ring 101 along the circumferential direction, the mounting rings 101b are matched and fixed with the inner solid ring 201 through a plurality of fixing bolts arranged along the circumferential direction in an array manner so as to realize detachable connection between the outer solid ring 101 and the inner solid ring 201, a cushion cover 101a is fixedly arranged on one side, close to the adjusting groove 201b-2, of the outer solid ring 101 along the circumferential direction in an array manner, mounting holes 101a-1 penetrating through the outer solid ring 101 are formed in the cushion cover 101a, and the mounting holes 101a-1 are arranged so as to realize fixed mounting of a manual closing mechanism;
when the three-phase electric wire connecting device is used, the T-shaped insulating column 203 is in screw fit with the internal threads 101c-2, then the three external connecting columns 102 are respectively connected with the three external three-phase electric wires, and after connection is completed, connection energization between the external connecting columns 102 and the electric wires is realized by rotating the nuts 102 c.
Referring to fig. 3, fig. 4, fig. 7, fig. 8, fig. 9 and fig. 10 in detail, the T-shaped insulating column 203 is slidably sleeved in the second through groove 201b, a limiting disc 203f is fixedly arranged on the upper end side wall of the T-shaped insulating column 203, a second limiting ring 201b-1 is fixedly arranged on the lower end inner wall of the second through groove 201b, a reset spring 203c is slidably sleeved on the T-shaped insulating column 203 at a position between the limiting disc 203f and the second limiting ring 201b-1, and the arrangement can realize the position movement of the T-shaped insulating column 203 in the vertical direction under the telescopic action of the reset spring 203c, and an adsorption disc 203b is fixedly arranged on the inner side of the lower end of the T-shaped insulating column 203;
An adjusting groove 201b-2 is formed in one side wall of the inner fixed ring 201 on the inner side of the second limiting ring 201b-1 along the radial direction, an inner connecting post 203d is in clearance fit in the adjusting groove 201b-2, the adjusting groove 201b-2 can play a role in limiting and guiding the movement of the inner connecting post 203d, a through hole 203e-1 is formed in the top surface of the T-shaped insulating post 203 along the axial direction, a conductive post 203a is fixedly sleeved in the through hole 203e-1, the conductive post 203a is fixedly connected with the side wall of the inner connecting post 203d, and electric conduction between the conductive post 203a and the inner connecting post 203d can be realized through the arrangement;
The end face of the external connection wire column 102 on the inner side of the first limiting ring 101c-1 is provided with a first contact lug 102b, the end face on the outer side of the conductive column 203a is provided with a second contact lug 203a-1 which is used for being abutted against the first contact lug 102b, the arrangement can realize electric conduction between the external connection wire column 102 and the conductive column 203a, and when the first contact lug 102b and the second contact lug 203a-1 are separated, power failure can be realized;
A first bolt column 203a-3 is fixedly arranged on the end surface of the inner side of the conductive column 203a, the first bolt column 203a-3 is in spiral fit on the inner bottom surface of the mounting groove 203e, a threaded groove 203a-2 is formed in the side wall of the conductive column 203a close to one side of the first bolt column 203a-3, the arrangement can realize detachable connection between the conductive column 203a and the T-shaped insulating column 203, a second bolt column 203d-3 for the spiral fit of the threaded groove 203a-2 is fixedly arranged at one end of the inner wire column 203d, a through hole 203e-1 for the sliding through of the inner wire column 203d is formed in the side wall of the T-shaped insulating column 203, the arrangement can realize detachable connection between the inner wire column 203d and the conductive column 203a, a baffle 203d-1 is fixedly arranged at the other end of the inner wire column 203d, and a screw 203d-2 is in spiral fit on one side surface of the baffle 203d-1, and the arrangement can realize connection of the inner three phases with the baffle 203d-1 respectively;
When the three-phase wire is used, the inner three-phase wire is fixedly connected with the screws 203d-2 on the three baffles 203d-1 respectively, under the action of reset spring 203c, the T-shaped insulating column 203 drives the conductive column 203a to move upwards, the first contact protruding head 102b is contacted with the second contact protruding head 203a-1, and at the moment, the outer three-phase wire realizes an electric path with the inner three-phase wire through the external wire column 102, the conductive column 203a and the internal wire column 203 d.
Referring to fig. 1, 3, 4 and 11 in detail, three blind grooves 301c are formed in the side wall of the adjusting column 301 along the circumferential array, permanent magnet columns 301c-1 are fixedly arranged on the inner bottom surface of the blind grooves 301c, arc-shaped guide surfaces 301c-2 are circumferentially arranged on the side wall of the blind groove 301c on one side of the permanent magnet columns 301c-1, the radial ruler of the blind groove 301c is equal to the radial ruler of the second through groove 201b, and the axes of the blind groove 301c and the second through groove 201b are located on the same plane;
a guide groove 301b is formed in the side wall of the adjusting column 301 on one side of the blind groove 301c along the circumferential direction, a guide ring 201c for clearance fit of the guide groove 301b is fixedly arranged in the side wall of the inner fixed ring 201 along the circumferential direction, and the arrangement can play a role in limiting and guiding the rotation of the adjusting column 301;
A front side disc 301a is fixedly arranged on one end face of the adjusting column 301 far away from the adjusting groove 201b-2, a rotating strip 301a-1 is fixedly arranged in the middle of the free end of the front side disc 301a, and the rotating strip 301a-1 is arranged to drive the adjusting column 301 to rotate through the front side disc 301 a;
When the device is in use, the adjusting column 301 is driven to rotate by the rotating bar 301a-1, so that the adjusting column 301 can rotate relative to the inner fixed ring 201, when the blind groove 301c is aligned with the second through groove 201b, the permanent magnet column 301c-1 moves downwards to magnetically adsorb the adsorption disc 203b, under the action, the T-shaped insulating column 203 drives the conductive column 203a to move downwards, the first contact protrusion 102b and the second contact protrusion 203a-1 are separated, the opening operation is realized, the permanent magnet column 301c-1 and the T-shaped insulating column 203 are separated under the guiding action of the arc-shaped guiding surface 301c-2 along with the continuous rotation of the adjusting column 301, the T-shaped insulating column 203 moves upwards, and the first contact protrusion 102b and the second contact protrusion 203a-1 are abutted to realize the closing operation.
Example 2
Referring to fig. 2, 4 and 11, this embodiment is based on the previous embodiment, except that the present embodiment is proposed in order to avoid damage caused by the impact of the first contact tab 102b and the second contact tab 203a-1 due to the instantaneous release of the elastic potential energy of the return spring 203c during closing.
Specifically, an adjusting disc 302 is fixedly arranged at the outer side of one end face of an adjusting column 301 close to an adjusting groove 201b-2, three fan-shaped grooves 302a are formed in the adjusting disc 302 along a circumferential array, the fan-shaped grooves 302a are used for sliding and passing through the inner connecting columns 203d, an arc-shaped guide plate 302b used for guiding the inner connecting columns 203d is fixedly arranged on the outer arc wall of the fan-shaped grooves 302a, the circle center of the arc-shaped guide plate 302b and the circle center of an arc-shaped guide surface 301c-2 are overlapped on the same vertical surface, a semicircular buckling groove 302c used for buckling the inner connecting columns 203d is formed in one side wall of the fan-shaped grooves 302a, and the semicircular buckling groove can limit the inner connecting columns 203 d;
When the device is used, along with the rotation of the adjusting column 301, when the T-shaped insulating column 203 and the permanent magnet column 301c-1 deviate, the inner connecting column 203d moves upwards under the reset action of the reset spring 203c, in the moving process, the inner connecting column 203d contacts with the arc-shaped guide plate 302b, the potential energy of the reset spring 203c cannot be released instantaneously under the guiding and limiting action of the arc-shaped guide plate 302b, and can be released slowly along with the limiting action of the arc-shaped guide plate 302b, so that the first contact protrusion 102b and the second contact protrusion 203a-1 are prevented from being impacted instantaneously, and after the position of the inner connecting column 203d resets, the inner connecting column 203d is buckled in the semicircular buckling groove 302c to realize limiting.
Example 3
Referring to fig. 2, a third embodiment of the present invention is based on any of the above embodiments, except that this embodiment is proposed to avoid the automatic offset of the adjusting disc 302 after closing, thereby causing the disconnection and power outage.
Specifically, a spring disc 202 is arranged on the outer side of the radial line of the adjusting groove 201b-2, the inner side of the spring disc 202 is fixedly connected to one side wall of the inner fixed ring 201 through a fixing bolt, and the outer side of the spring disc 202 is abutted against the outer side wall of the adjusting disc 302;
When the above-mentioned setting is in use, after closing a floodgate, semicircle catching groove 302c on the regulating plate 302 and inscription terminal 203d lock, after the lock, the outside limit of spring plate 202 supports to be in the regulating plate 302 lateral wall to realize the spacing to regulating plate 302, avoid regulating plate 302 to appear the rotation.
Example 4
Referring to fig. 3 and 7, a fourth embodiment of the present invention is based on the previous embodiment, except that the present embodiment is proposed in order to improve the heat dissipation of the device in use, thereby improving the service life of the device.
Specifically, the heat dissipation cavity groove 201a is formed in the inner fixing ring 201 at a position between two adjacent second through grooves 201b along the axial direction, and the heat dissipation of the second through grooves 201b can be effectively improved due to the arrangement of the heat dissipation cavity groove 201a, so that the service life is prolonged.
Example 5
For a fifth embodiment of the present invention, the embodiment provides a method for operating a manual switching-on mechanism of a permanent magnet switch, so as to facilitate better implementation of the present invention, and specifically, the method for operating the manual switching-on mechanism of the permanent magnet switch specifically includes the following steps;
s1: three external connection posts 102 are connected with the external three-phase line, and three internal connection posts 203d are connected with the internal three-phase line;
s2: when the blind groove 301c, the first through groove 101c and the second through groove 201b are in a coaxial state, the T-shaped insulating column 203 drives the second contact to move downwards under the magnetic adsorption of the permanent magnet column 301c-1 to the adsorption disc 203b, and the first contact is separated from the second contact and is in a brake separating state;
s3: when the switch-on is needed, a worker rotates the adjusting column 301 through the rotating bar 301a-1, and under the guiding action of the arc-shaped guide surface 301c-2, the T-shaped insulating column 203 is separated from the permanent magnet column 301 c-1;
S4: under the reset action of the reset spring 203c, the T-shaped insulating column 203 moves upwards, and the first contact head contacts with the second contact head to finish closing;
s5: after closing, the side wall of the adjusting column 301 abuts against the bottom surface of the T-shaped insulating column 203, so that the T-shaped insulating column 203 is limited.
In addition, the components not described in detail herein are prior art.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (10)
1. A manual closing mechanism of a permanent magnet switch is characterized in that: comprising the steps of (a) a step of,
The external connection assembly (100) comprises an external fixing ring (101) and an external connection column (102), wherein three first through grooves (101 c) are formed in the side wall of the external fixing ring (101) in a circumferential array, internal threads (101 c-2) are formed in the inner wall of each first through groove (101 c), a threaded insulating sleeve (102 a) is fixedly arranged on the outer side of the external connection column (102), and the threaded insulating sleeves (102 a) are in spiral fit with the internal threads (101 c-2);
the inner wiring assembly (200) comprises an inner fixed ring (201) and a T-shaped insulating column (203), wherein the inner fixed ring (201) is coaxially sleeved on the inner side of the outer fixed ring (101), a second through groove (201 b) is coaxially formed in the outer wall of the inner fixed ring (201) and is coaxially sleeved with a first through groove (101 c), the T-shaped insulating column (203) is slidably sleeved in the second through groove (201 b), a limiting disc (203 f) is fixedly arranged on the side wall of the upper end of the T-shaped insulating column (203), a second limiting ring (201 b-1) is fixedly arranged on the inner wall of the lower end of the second through groove (201 b), a reset spring (203 c) is slidably sleeved on the T-shaped insulating column (203) at the position between the limiting disc (203 f) and the second limiting ring (201 b-1), and an adsorption disc (203 b) is fixedly arranged on the inner side of the lower end of the T-shaped insulating column (203). An adjusting groove (201 b-2) is formed in one side wall of the inner fixed ring (201) at the inner side of the second limiting ring (201 b-1) along the radial direction, an inner connecting column (203 d) is in clearance fit in the adjusting groove (201 b-2), a through hole (203 e-1) is formed in the top surface of the T-shaped insulating column (203) along the axial direction, a conductive column (203 a) is fixedly sleeved in the through hole (203 e-1), and the conductive column (203 a) is fixedly connected with the side wall of the inner connecting column (203 d); and
The utility model provides a floodgate subassembly (300) opens and shuts, includes adjusting column (301) and regulating disk (302), adjusting column (301) coaxial cover closes in interior solid fixed ring (201) inboard, three blind groove (301 c) have been seted up along circumference array on the lateral wall of adjusting column (301), and have set firmly permanent magnet column (301 c-1) on the interior bottom surface of blind groove (301 c), be provided with arc guide surface (301 c-2) along circumference on the blind groove (301 c) lateral wall of permanent magnet column (301 c-1) one side, the diameter chi of blind groove (301 c) equals with second through groove (201 b) diameter chi, and the axis of blind groove (301 c) and second through groove (201 b) is located the coplanar.
2. The manual closing mechanism of a permanent magnet switch as claimed in claim 1, wherein: a first limiting ring (101 c-1) is fixedly arranged on the inner wall of a first through groove (101 c) below the internal thread (101 c-2), an external thread (102 d) is arranged on the side wall of an external wiring column (102) at the outer side of the threaded insulating sleeve (102 a), and a nut (102 c) is sleeved on the external thread (102 d) in a spiral manner;
The end face of the external wiring column (102) on the inner side of the first limiting ring (101 c-1) is provided with a first contact lug (102 b), and the end face on the outer side of the conductive column (203 a) is provided with a second contact lug (203 a-1) which is used for being abutted against the first contact lug (102 b).
3. The manual closing mechanism of a permanent magnet switch as claimed in claim 2, wherein: the mounting device is characterized in that mounting rings (101 b) are fixedly arranged on two side walls of the outer fixing ring (101) along the circumferential direction, the mounting rings (101 b) are matched and fixed with the inner fixing ring (201) through a plurality of fixing bolts arranged along the circumferential direction in an array mode, a cushion sleeve (101 a) is fixedly arranged on one side, close to the adjusting groove (201 b-2), of the outer fixing ring (101) along the circumferential direction in an array mode, and mounting holes (101 a-1) penetrating through the outer fixing ring (101) are formed in the cushion sleeve (101 a).
4. A manual closing mechanism of a permanent magnet switch as claimed in claim 3, wherein: the novel electric wire connector is characterized in that a first bolt column (203 a-3) is fixedly arranged on the end face of the inner side of the conductive column (203 a), the first bolt column (203 a-3) is in spiral fit on the inner bottom face of the mounting groove (203 e), a thread groove (203 a-2) is formed in the side wall of the conductive column (203 a) close to one side of the first bolt column (203 a-3), a second bolt column (203 d-3) for spiral fit of the thread groove (203 a-2) is fixedly arranged at one end of the inner wire column (203 d), a through hole (203 e-1) for sliding through of the inner wire column (203 d) is formed in the side wall of the T-shaped insulating column (203), a baffle (203 d-1) is fixedly arranged at the other end of the inner wire column (203 d), and a screw (203 d-2) is in spiral fit on one side face of the baffle (203 d-1).
5. The manual closing mechanism of a permanent magnet switch as claimed in claim 4, wherein: guide grooves (301 b) are formed in the side wall of the adjusting column (301) on one side of the blind groove (301 c) along the circumferential direction, and guide rings (201 c) used for clearance fit of the guide grooves (301 b) are fixedly arranged in the side wall of the inner fixed ring (201) along the circumferential direction.
6. The manual closing mechanism of a permanent magnet switch as claimed in claim 5, wherein: a front side disc (301 a) is fixedly arranged on one end face of the adjusting column (301) far away from the adjusting groove (201 b-2), and a rotating strip (301 a-1) is fixedly arranged in the middle of the free end of the front side disc (301 a).
7. The manual closing mechanism of a permanent magnet switch as claimed in claim 6, wherein: an adjusting disc (302) is fixedly arranged on the outer side of one end face of an adjusting column (301) close to an adjusting groove (201 b-2), three fan-shaped grooves (302 a) are formed in the adjusting disc (302) in a circumferential array, the fan-shaped grooves (302 a) are used for sliding through of an inner connecting column (203 d), an arc-shaped guide plate (302 b) used for guiding the inner connecting column (203 d) is fixedly arranged on the outer arc wall of the fan-shaped groove (302 a), the circle center of the arc-shaped guide plate (302 b) and the circle center of an arc-shaped guide surface (301 c-2) are overlapped on the same vertical surface, and a semicircular buckling groove (302 c) used for buckling the inner connecting column (203 d) is formed in one side wall of the fan-shaped groove (302 a).
8. The manual closing mechanism of a permanent magnet switch of claim 7, wherein: the radial outer side of the adjusting groove (201 b-2) is provided with a spring disc (202), the inner side of the spring disc (202) is fixedly connected to one side wall of the inner fixing ring (201) through a fixing bolt, and the outer side of the spring disc (202) is abutted to the outer side wall of the adjusting disc (302).
9. The manual closing mechanism of a permanent magnet switch as claimed in claim 8, wherein: a heat dissipation cavity groove (201 a) is formed in the inner fixed ring (201) at a position between two adjacent second through grooves (201 b) along the axis direction.
10. An operation method of a manual closing mechanism of a permanent magnet switch is characterized in that: the method for operating a manual closing mechanism of a permanent magnet switch according to any one of claims 1 to 9 specifically comprises the steps of;
S1: three external connecting posts (102) are connected with the external three-phase line, and three internal connecting posts (203 d) are connected with the internal three-phase line;
S2: when the blind groove (301 c), the first through groove (101 c) and the second through groove (201 b) are in a coaxial state, the T-shaped insulating column (203) drives the second contact to move downwards under the magnetic adsorption of the permanent magnet column (301 c-1) to the adsorption disc (203 b), and the first contact is separated from the second contact and is in a brake separating state;
S3: when the switch-on is needed, a worker rotates the adjusting column (301) through the rotating bar (301 a-1), and under the guiding action of the arc-shaped guide surface (301 c-2), the T-shaped insulating column (203) is separated from the permanent magnet column (301 c-1);
s4: under the reset action of a reset spring (203 c), the T-shaped insulating column (203) moves upwards, and the first contact head contacts with the second contact head to finish closing;
S5: after closing, the side wall of the adjusting column (301) is abutted against the bottom surface of the T-shaped insulating column (203), so that the limit of the T-shaped insulating column (203) is realized.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410193751.3A CN117747359B (en) | 2024-02-21 | 2024-02-21 | Manual switching-on mechanism of permanent magnet switch and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410193751.3A CN117747359B (en) | 2024-02-21 | 2024-02-21 | Manual switching-on mechanism of permanent magnet switch and operation method thereof |
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| CN117747359A CN117747359A (en) | 2024-03-22 |
| CN117747359B true CN117747359B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410193751.3A Active CN117747359B (en) | 2024-02-21 | 2024-02-21 | Manual switching-on mechanism of permanent magnet switch and operation method thereof |
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Citations (8)
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|---|---|---|---|---|
| SE397430B (en) * | 1972-12-01 | 1977-10-31 | Int Standard Electric Corp | MAGNETIC PAVERKAR, FORSESON S |
| EP2023363A2 (en) * | 2007-08-08 | 2009-02-11 | Denso Corporation | Magnet switch with magnetic core designed to ensure stability in operation thereof |
| CN102237207A (en) * | 2010-05-06 | 2011-11-09 | 刘伟亮 | Switching device and use |
| CN105337204A (en) * | 2015-08-25 | 2016-02-17 | 吉林瀚丰电气有限公司 | External manual switching device for permanent magnet mechanism circuit breaker |
| CN112735905A (en) * | 2020-12-25 | 2021-04-30 | 默飓电气有限公司 | Permanent magnet vacuum circuit breaker |
| CN214043524U (en) * | 2020-12-25 | 2021-08-24 | 默飓电气有限公司 | Permanent magnet vacuum circuit breaker |
| CN115547743A (en) * | 2022-10-17 | 2022-12-30 | 福州大学 | Bidirectional rotary electromagnetic operating mechanism |
| CN115798960A (en) * | 2022-10-17 | 2023-03-14 | 福州大学 | Bidirectional rotary monostable permanent magnet operating mechanism |
-
2024
- 2024-02-21 CN CN202410193751.3A patent/CN117747359B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE397430B (en) * | 1972-12-01 | 1977-10-31 | Int Standard Electric Corp | MAGNETIC PAVERKAR, FORSESON S |
| EP2023363A2 (en) * | 2007-08-08 | 2009-02-11 | Denso Corporation | Magnet switch with magnetic core designed to ensure stability in operation thereof |
| CN102237207A (en) * | 2010-05-06 | 2011-11-09 | 刘伟亮 | Switching device and use |
| CN105337204A (en) * | 2015-08-25 | 2016-02-17 | 吉林瀚丰电气有限公司 | External manual switching device for permanent magnet mechanism circuit breaker |
| CN112735905A (en) * | 2020-12-25 | 2021-04-30 | 默飓电气有限公司 | Permanent magnet vacuum circuit breaker |
| CN214043524U (en) * | 2020-12-25 | 2021-08-24 | 默飓电气有限公司 | Permanent magnet vacuum circuit breaker |
| CN115547743A (en) * | 2022-10-17 | 2022-12-30 | 福州大学 | Bidirectional rotary electromagnetic operating mechanism |
| CN115798960A (en) * | 2022-10-17 | 2023-03-14 | 福州大学 | Bidirectional rotary monostable permanent magnet operating mechanism |
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| CN117747359A (en) | 2024-03-22 |
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