CN113436866B - Micro transformer with shielding function for avoiding dipole radiation interference - Google Patents
Micro transformer with shielding function for avoiding dipole radiation interference Download PDFInfo
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- CN113436866B CN113436866B CN202110770234.4A CN202110770234A CN113436866B CN 113436866 B CN113436866 B CN 113436866B CN 202110770234 A CN202110770234 A CN 202110770234A CN 113436866 B CN113436866 B CN 113436866B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
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Abstract
The invention provides a micro transformer with a shielding function and capable of avoiding dipole radiation interference, and relates to the technical field of micro transformers. The micro transformer with the shielding function and capable of avoiding dipole radiation interference comprises a support, wherein a control mechanism is mounted inside the support and comprises a driving shaft, a rotating wheel is sleeved outside the driving shaft, a driving groove is formed in the inner wall of the rotating wheel, and a blocking groove is formed in the bottom of the rotating wheel. This avoid dipole radiation interference's miniature transformer of taking shielding function rotates through the driving shaft rotation drive centrifugal piece, and centrifugal piece slides to the driving shaft outside under centrifugal effect, and when voltage increased, the driving shaft rotational speed increased, and the sliding distance of centrifugal piece increases, and the quantity of the initiative groove of centrifugal piece contact increases, and centrifugal piece makes runner rotation quantity increase, and the rethread runner uses with the cooperation of shield plate to the effect that can be according to voltage automatically regulated shielding strength has been reached.
Description
Technical Field
The invention relates to the technical field of miniature transformers, in particular to a miniature transformer with a shielding function, which avoids dipole radiation interference.
Background
The miniature transformer mainly refers to a transformer with a single phase of below 20kV & A and a three phase of below 50kV & A, and is characterized by small volume, low cost and less wire consumption, wherein compared with the traditional miniature transformer, the miniature planar coil transformer has the advantages of smaller volume, high power density, high efficiency, low leakage inductance, good heat dissipation, low cost and the like, a large part of electromagnetic interference of the miniature planar coil transformer can come from dipole radiation between two sides of the transformer, the existing miniature planar coil transformer does not have the function of shielding dipole radiation, meanwhile, voltages in different occasions are different, the radiation intensity of generated dipoles is different, the existing miniature planar coil transformer is difficult to completely shield the dipole radiation, and the application range is limited.
Aiming at the defects of the prior art, the invention provides the miniature transformer with the shielding function for avoiding dipole radiation interference, which has the advantages of automatically shielding dipole radiation, automatically adjusting the shielding strength according to voltage, having high shielding quality, automatically folding the shielding plate, saving space and the like, and solves the problems that the existing miniature planar coil transformer does not have the function of shielding dipole radiation, the generated dipole radiation strength is different due to different voltages on different occasions, the existing miniature planar coil transformer is difficult to completely shield the dipole radiation, and the application range is limited.
Disclosure of Invention
In order to realize the purposes that the shielding strength can be automatically adjusted according to the voltage, the shielding quality is high, the shielding plate can be automatically folded, and the space is saved, the invention is realized by the following technical scheme: the utility model provides an avoid dipole radiation interference's miniature transformer of taking shielding function, includes the support, the internally mounted of support has control mechanism, control mechanism includes the driving shaft, the outside sliding connection of driving shaft has centrifugal piece, one side welding that centrifugal piece is close to the driving shaft axle center has centrifugal spring, the runner has been cup jointed in the outside of driving shaft, the top sliding connection of runner has the rope that resets, the initiative groove has been seted up to the inner wall of runner, the bottom of runner has been seted up and has been kept off the groove.
Furthermore, the rotating wheels are not less than three groups, and the depth of the inner driving groove of each group of rotating wheels is different, so that the rotating speed of the driving shaft is different, and the rotating wheels with different numbers can be driven to rotate.
Furthermore, the bottom of the reset rope is fixedly connected with a control switch for controlling the driving wheel to be electrified.
The coil is inserted outside the support, a control mechanism is inserted inside the support, and a shielding mechanism is hinged to the bottom of the control mechanism.
Further, shield structure includes the pendulum rod, the pendulum rod articulates in control mechanism's bottom, the top welding of pendulum rod has the dog, the inside sliding connection of pendulum rod has the shielding plate, the back fixedly connected with rack of shielding plate, the inside sliding connection of shielding plate has the slide, the slide is close to the inside one side welding of shielding plate and has buffer spring, the inside of pendulum rod is pegged graft and is had the action wheel, the outside of action wheel articulates there is the pusher dog, the front meshing of action wheel has bevel gear, bevel gear's right side fixedly connected with drive wheel, the inside fixedly connected with drive wheel of pendulum rod.
Furthermore, a shifting groove is formed in the inner wall of the swing rod, a sliding groove is formed in the inner wall of the swing rod, and the shifting groove and the shifting claw are matched for use, so that the driving wheel can drive the swing rod to swing.
Furthermore, the inside fixedly connected with band pulley of drive wheel, and the band pulley passes through the drive belt and is connected with the drive wheel transmission, and the drive wheel can drive the drive wheel and rotate.
Compared with the prior art, the invention has the following beneficial effects:
1. when the micro transformer with the shielding function is used, the driving shaft is electrified and rotates, the driving shaft rotates to drive the centrifugal block to rotate, the centrifugal block drives the rotating wheel to rotate, the rotating wheel drives the oscillating bar to rotate, the oscillating bar drives the shielding plate to oscillate, and the shielding plate and the coil are matched for use, so that the effect of automatically shielding dipole radiation is achieved.
2. This avoid dipole radiation interference's miniature transformer of taking shielding function rotates through the driving shaft rotation drive centrifugal piece, and centrifugal piece slides to the driving shaft outside under centrifugal effect, and when voltage increased, the driving shaft rotational speed increased, and the sliding distance of centrifugal piece increases, and the quantity of the initiative groove of centrifugal piece contact increases, and centrifugal piece makes runner rotation quantity increase, and the rethread runner uses with the cooperation of shield plate to reach and can be according to voltage automatically regulated shielding intensity effect.
3. This avoid dipole radiation interference's miniature transformer of taking shielding function, it rotates to drive bevel gear through the runner rotation, bevel gear drives the drive wheel and rotates, the drive wheel passes through the drive belt and drives the band pulley rotation, the band pulley drives the drive wheel and rotates, the drive wheel drives the rack and removes, the rack drives the shield plate and slides, the shield plate drives the slide and removes, when the slide removes to the pendulum rod position, the pendulum rod promotes the slide through inside spout and slides to the shield plate is inside, the cooperation of rethread shield plate and pendulum rod is used, thereby reached can automatic folding shield plate, the effect in space is saved.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic cross-sectional view of the entire structure of the present invention;
FIG. 3 is a schematic view of a portion of the structural control mechanism of the present invention;
FIG. 4 is a partial schematic view of the structural shielding mechanism of the present invention;
FIG. 5 is a schematic view of a pendulum portion of the present invention;
fig. 6 is a partial schematic view of a drive wheel of the present invention.
In the figure: 1. a support; 2. a coil; 3. a control mechanism; 31. a drive shaft; 32. a centrifugal block; 33. a centrifugal spring; 34. a rotating wheel; 35. a reset rope; 36. an active slot; 37. a baffle groove; 4. a shielding mechanism; 41. a swing rod; 42. a stopper; 43. a shielding plate; 44. a rack; 45. a slide plate; 46. a buffer spring; 47. a driving wheel; 48. a pusher dog; 49. a bevel gear; 410. a driving wheel; 411. and a driving wheel.
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.
The embodiment of the micro-transformer with shielding function for avoiding dipole radiation interference is as follows:
example one
Referring to fig. 1-3, a micro transformer with shielding function for avoiding dipole radiation interference includes a support 1, a control mechanism 3 is installed inside the support 1, the control mechanism 3 includes a driving shaft 31, the driving shaft 31 can adjust a rotation speed according to an external voltage, a centrifugal block 32 is slidably connected to an outer side of the driving shaft 31, a centrifugal spring 33 is welded to a side of the centrifugal block 32 close to an axis of the driving shaft 31, rotating wheels 34 are sleeved to an outer side of the driving shaft 31, the rotating wheels 34 are not less than three groups, and depths of inner driving grooves 36 of the rotating wheels 34 of each group are different, so that different numbers of rotating wheels 34 can be driven to rotate when the rotation speed of the driving shaft 31 is different, a reset rope 35 is slidably connected to a top of the rotating wheels 34, a control switch is fixedly connected to a bottom of the reset rope 35 for controlling the driving wheel 47 to be energized, a driving groove 36 is formed on an inner wall of the rotating wheels 34, a blocking groove 37 is formed on the bottom of the rotating wheels 34, when the voltage is increased, the rotation speed of the driving shaft 31 is increased, the sliding distance of the centrifugal block 32 is increased, the number of driving grooves 36 contacted with the centrifugal block 32 is increased, the centrifugal block 32 enables the rotating number of the rotating wheels 34 to be increased, the number of the shielding plates 43 is increased through the rotating wheels 34, the dipole radiation can be completely shielded, the shielding quality is high, and the device is suitable for different occasions.
Example two
Referring to fig. 1-6, a micro transformer with shielding function for avoiding dipole radiation interference includes a support 1, a coil 2, the coil 2 is inserted outside the support 1, a control mechanism 3 is inserted inside the support 1, a shielding mechanism 4 is hinged at the bottom of the control mechanism 3, the shielding mechanism 4 includes a swing link 41, a shifting groove is formed on the inner wall of the swing link 41, and a sliding groove is formed therein, the shifting groove is used in cooperation with a shifting claw 48, so that a driving wheel 47 can drive the swing link 41 to swing, the swing link 41 is hinged at the bottom of the control mechanism 3, a stopper 42 is welded at the top of the swing link 41, a shielding plate 43 is slidably connected inside the swing link 41, springs are fixedly connected at the outer sides of the shielding plate 43 and the swing link 41 for resetting, a rack 44 is fixedly connected at the back of the shielding plate 43, a sliding plate 45 is slidably connected inside the shielding plate 43, a buffer spring 46 is welded at one side of the sliding plate 45 near the inner side of the shielding plate 43, a driving wheel 47 is inserted into the swing rod 41, a pusher dog 48 is hinged on the outer side of the driving wheel 47, a bevel gear 49 is meshed on the front surface of the driving wheel 47, a driving wheel 410 is fixedly connected on the right side of the bevel gear 49, a driving wheel 411 is fixedly connected inside the swing rod 41, a belt wheel is fixedly connected inside the driving wheel 411 and is in transmission connection with the driving wheel 410 through a transmission belt, the driving wheel 410 can drive the driving wheel 411 to rotate, when the device is stopped, the driving shaft 31 stops rotating, the centrifugal block 32 does not limit the return of the rotating wheel 34, the tension between the return rope 35 and the rotating wheel 34 is reduced, the control switch is turned off, the driving wheel 47 stops rotating, the shielding plate 43 is retracted into the swing rod 41 under the action of a spring, the swing rod 41 swings back to the horizontal position under the action of the spring, at the moment, the return rope 35 drives the rotating wheel 34 to return, the rotating space of the rotating wheel 34 is reduced by the shielding plate 43, and the space is saved, the volume of the transformer is not affected.
EXAMPLE III
Referring to fig. 1-6, a micro transformer with shielding function for avoiding dipole radiation interference includes a support 1, a coil 2, the coil 2 is inserted outside the support 1, a control mechanism 3 is inserted inside the support 1, the control mechanism 3 includes a driving shaft 31, the driving shaft 31 can adjust the rotation speed according to an external voltage, a centrifugal block 32 is slidably connected outside the driving shaft 31, a centrifugal spring 33 is welded on one side of the centrifugal block 32 close to the axis of the driving shaft 31, a rotating wheel 34 is sleeved outside the driving shaft 31, the rotating wheels 34 are not less than three groups, and the depth of an internal driving groove 36 of each group of rotating wheels 34 is different, so that the rotating speed of the driving shaft 31 can drive the rotating wheels 34 of different numbers to rotate at different times, a reset rope 35 is slidably connected on the top of the rotating wheel 34, a control switch is fixedly connected on the bottom of the reset rope 35 for controlling the driving wheel 47 to be energized, and a driving groove 36 is formed on the inner wall of the rotating wheel 34, the bottom of the rotating wheel 34 is provided with a baffle groove 37, the bottom of the control mechanism 3 is hinged with a shielding mechanism 4, the shielding mechanism 4 comprises a swing rod 41, the inner wall of the swing rod 41 is provided with a shifting groove, the inner part of the swing rod 41 is provided with a sliding groove, the shifting groove is matched with a shifting claw 48 for use, so that the driving wheel 47 can drive the swing rod 41 to swing, the swing rod 41 is hinged at the bottom of the control mechanism 3, the top of the swing rod 41 is welded with a stop block 42, the inner part of the swing rod 41 is slidably connected with a shielding plate 43, the outer sides of the shielding plate 43 and the swing rod 41 are fixedly connected with springs for resetting, the back of the shielding plate 43 is fixedly connected with a rack 44, the inner part of the shielding plate 43 is slidably connected with a sliding plate 45, one side of the sliding plate 45, which is close to the inner part of the shielding plate 43 is welded with a buffer spring 46, the inner part of the swing rod 41 is spliced with a driving wheel 47, the outer side of the driving wheel 47 is hinged with a shifting claw 48, the front of the driving wheel 47 is meshed with a bevel gear 49, the right side of the bevel gear 410, the inside fixedly connected with drive wheel 411 of pendulum rod 41, the inside fixedly connected with band pulley of drive wheel 411, and the band pulley passes through the drive belt and is connected with drive wheel 410 transmission, and drive wheel 410 can drive wheel 411 and rotate.
When the centrifugal device is used, the transformer is electrified, the driving shaft 31 is electrified to rotate, the driving shaft 31 rotates to drive the centrifugal block 32 to rotate, the centrifugal block 32 slides towards the outer side of the driving shaft 31 under the action of centrifugation, the centrifugal block 32 drives the rotating wheel 34 to rotate through the driving groove 36, the rotating wheel 34 rotates to drive the swinging rod 41 to rotate, the swinging rod 41 drives the shielding plate 43 to rotate, when the shielding plate 43 rotates to the bottom, the reset rope 35 limits the rotating wheel 34 to rotate, the rotating wheel 34 pushes the centrifugal block 32 to slide through the driving groove 36, the centrifugal block 32 limits the rotating wheel 34 to reset, simultaneously, a control switch at the bottom of the reset rope 35 is turned on, the control switch enables the driving wheel 47 to be electrified to rotate, the driving wheel 47 rotates to drive the shifting claw 48 to rotate, the shifting claw 48 drives the swinging rod 41 to swing downwards through the shifting groove, when the swinging rod 41 swings to the vertical position, the stop block 42 limits the swinging rod 41 to swing through the blocking groove 37, and the swinging rod 41 drives the shifting claw 48 to swing through the shifting groove, meanwhile, the driving wheel 47 drives the bevel gear 49 to rotate, the bevel gear 49 drives the driving wheel 410 to rotate, the driving wheel 410 drives the belt wheel to rotate through the driving belt, the belt wheel drives the driving wheel 411 to rotate, the driving wheel 411 drives the rack 44 to descend, the rack 44 descends to drive the shielding plate 43 to descend, the shielding plate 43 drives the sliding plate 45 to descend, when the sliding plate 45 is far away from the swing rod 41, the buffer spring 46 pushes the sliding plate 45 to slide towards the outer side of the shielding plate 43, the sliding plate 45 enables the shielding plate 43 to be unfolded, when the shielding plate 43 descends to the bottom, the shielding plate 43 stops descending under the action of the chute, the shielding plate 43 limits the driving wheel 411 to rotate through the rack 44, the driving wheel 411 enables the belt wheel to slip, the rotation of the driving wheel 47 cannot be influenced, the shielding plate 43 shields dipole radiation at the moment, the use of other electrical elements cannot be influenced, when the voltage is increased, the rotating speed of the driving shaft 31 is increased, the sliding distance of the centrifugal block 32 is increased, the quantity of the driving grooves 36 contacted with the centrifugal block 32 is increased, the centrifugal block 32 enables the rotating quantity of the rotating wheel 34 to be increased, the rotating wheel 34 enables the quantity of the shielding plates 43 to be increased, dipole radiation can be completely shielded, the shielding quality is high, the device is suitable for different occasions, when the device is stopped to be used, the driving shaft 31 stops rotating, the centrifugal block 32 does not limit the resetting of the rotating wheel 34, the pulling force between the resetting rope 35 and the rotating wheel 34 is reduced, the control switch is disconnected, the driving wheel 47 stops rotating, the shielding plates 43 are retracted into the swing rod 41 under the action of the spring, meanwhile, the swing rod 41 swings to the horizontal position under the action of the spring, the resetting rope 35 drives the rotating wheel 34 to reset, the shielding plates 43 enable the rotating space of the rotating wheel 34 to be reduced, the space is saved, and the volume of the transformer cannot be influenced.
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 (4)
1. The utility model provides an avoid miniature transformer of area shielding function of dipole radiation interference, includes support (1), its characterized in that: a control mechanism (3) is installed inside the support (1), the control mechanism (3) comprises a driving shaft (31), a centrifugal block (32) is connected to the outer side of the driving shaft (31) in a sliding mode, a centrifugal spring (33) is welded to one side, close to the axis of the driving shaft (31), of the centrifugal block (32), a rotating wheel (34) is sleeved on the outer side of the driving shaft (31), a reset rope (35) is connected to the top of the rotating wheel (34) in a sliding mode, a driving groove (36) is formed in the inner wall of the rotating wheel (34), and a blocking groove (37) is formed in the bottom of the rotating wheel (34); the coil (2) is inserted outside the support (1), a control mechanism (3) is inserted inside the support (1), and a shielding mechanism (4) is hinged to the bottom of the control mechanism (3);
the shielding mechanism (4) comprises a swing rod (41), the swing rod (41) is hinged at the bottom of the control mechanism (3), a stop block (42) is welded at the top of the swing rod (41), a shielding plate (43) is connected inside the swing rod (41) in a sliding manner, the back of the shielding plate (43) is fixedly connected with a rack (44), the inside of the shielding plate (43) is connected with a sliding plate (45) in a sliding way, a buffer spring (46) is welded on one side of the sliding plate (45) close to the inside of the shielding plate (43), a driving wheel (47) is inserted into the swing rod (41), a shifting claw (48) is hinged on the outer side of the driving wheel (47), a bevel gear (49) is meshed with the front surface of the driving wheel (47), a driving wheel (410) is fixedly connected to the right side of the bevel gear (49), and a driving wheel (411) is fixedly connected to the inner part of the swing rod (41); the inner wall of the swing rod (41) is provided with a shifting groove, and the inner part of the swing rod is provided with a sliding groove.
2. A miniature transformer with shielding function for avoiding interference of dipole radiation according to claim 1, wherein: the rotating wheels (34) are not less than three groups, and the depth of the inner driving groove (36) of each group of rotating wheels (34) is different.
3. A miniature transformer with shielding function for avoiding interference of dipole radiation according to claim 2, wherein: the bottom of the reset rope (35) is fixedly connected with a control switch.
4. A miniature transformer with shielding function for avoiding interference of dipole radiation according to claim 3, wherein: the inside fixedly connected with band pulley of drive wheel (411), and the band pulley passes through the drive belt and is connected with drive wheel (410) transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110770234.4A CN113436866B (en) | 2021-07-07 | 2021-07-07 | Micro transformer with shielding function for avoiding dipole radiation interference |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110770234.4A CN113436866B (en) | 2021-07-07 | 2021-07-07 | Micro transformer with shielding function for avoiding dipole radiation interference |
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| Publication Number | Publication Date |
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| CN113436866A CN113436866A (en) | 2021-09-24 |
| CN113436866B true CN113436866B (en) | 2022-02-18 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000078772A (en) * | 1998-08-31 | 2000-03-14 | Citizen Watch Co Ltd | Electronic equipment with solar battery |
| JP4273221B2 (en) * | 2002-09-25 | 2009-06-03 | 国立大学法人九州大学 | Active magnetic shield |
| JP5955123B2 (en) * | 2012-06-21 | 2016-07-20 | キヤノン株式会社 | Image forming apparatus |
| CN104684371B (en) * | 2015-02-10 | 2018-02-23 | 西安理工大学 | A kind of passive controlling magnetic field shielding device and its screen method |
| CN106531414A (en) * | 2016-12-20 | 2017-03-22 | 成都线易科技有限责任公司 | Transformer and control and driving system |
| US10047717B1 (en) * | 2018-02-05 | 2018-08-14 | Energystics, Ltd. | Linear faraday induction generator for the generation of electrical power from ocean wave kinetic energy and arrangements thereof |
| US20200343037A1 (en) * | 2019-04-26 | 2020-10-29 | Analog Devices International Unlimited Company | Micro-scale planar-coil transformer with shield |
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