CN111728427B

CN111728427B - Full-automatic mechanical swing crib and swing method thereof

Info

Publication number: CN111728427B
Application number: CN202010813279.0A
Authority: CN
Inventors: 方文豪
Original assignee: Yiwate Robot Equipment Manufacturing Co ltd
Current assignee: Yiwate Robot Equipment Manufacturing Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2022-12-23
Anticipated expiration: 2040-08-13
Also published as: CN111728427A; CN115590336A

Abstract

The invention relates to the technical field of infant products, in particular to a full-automatic mechanical swinging crib and a swinging method thereof, and the full-automatic mechanical swinging crib comprises a base, a U-shaped frame, an electromagnetic driving area and a cradle, wherein two sides of the upper end surface of the base are fixedly provided with supporting plates, the upper ends of the supporting plates are provided with rotating rings, and the rotating rings are rotationally connected with the U-shaped frame; the magnetic strip on the magnetic strip counterweight seat is electromagnetically driven by the electromagnetic driving area on the base, the swivel and the U-shaped frame are connected in a magnetic suspension mode, no noise is generated in the swinging process of the cradle, the sleeping environment of the baby is ensured, the baby is probably most suitable for the hand-shaking state of a mother due to different swinging frequency and amplitude of the cradle of each person, and the swinging posture data of the cradle can be obtained by utilizing the magnetic strip and the detection coil in the electromagnetic driving area, so that the swinging posture of the baby can be simulated on the basis of the swinging posture data, and the baby can obtain the optimal sleeping environment.

Description

Full-automatic mechanical swing crib and swing method thereof

Technical Field

The invention relates to the technical field of infant articles, in particular to a full-automatic mechanical swing baby crib and a swing method thereof.

Background

People inevitably get a noisy look before the baby sleeps, so people have to choose to sleep with babies to ensure that the baby is immersed in the dream country more quickly. The infant sleepers feel fastest most by shaking the infant, the infant gradually loses war in shaking and finally sleeps, intracranial hemorrhage is easily caused by the method for shaking the infant sleepers, especially children before 4 years old need to pay attention to the factor when the infant sleepers, but the shaking method for sleeping has a favorable position for simulating the state of the infant in the belly, the state of the infant in the belly of a pregnant woman is shaken and swayed in the process of pregnancy, and the infant can effectively get into the dream if the infant can be shaken frequently. However, the frequency does not exceed 40 times and 1 minute, and children may not tolerate the frequency, vomit, vexation and low mood can happen sequentially.

Most of swing-type cribs in the market at present only use manual swing, but young people are busy at present, and if the young people can not sleep for a short time, a long time can be delayed, and in addition, the swing-type cribs driven by a motor are also used, but the motor is used for driving, on one hand, the noise is large, the baby can be interfered to sleep, in addition, when the motor stops, a sudden pause is generated, the sleeping baby is easily awakened, and the requirement of sleeping the baby can not be met.

Disclosure of Invention

The present invention is directed to a fully automatic mechanical swing crib and a swing method thereof, which solves the above problems.

In order to solve the technical problems, the invention provides the following technical scheme: full-automatic mechanical type sways crib, including base, U type frame, electromagnetic drive district and cradle, the up end both sides of base are fixed with the backup pad, the upper end of backup pad is equipped with the change, the change with rotate between the U type frame and connect, the cradle passes through the connecting axle and follows the direction of height adjustable of U type frame is installed the inboard of U type frame, the bottom intermediate position department of U type frame is equipped with the magnetic stripe, the up end of base is equipped with the electromagnetic drive district, the electromagnetic drive district with connect through electromagnetic force transmission between the magnetic stripe, the arrangement direction of magnetic stripe with the direction of motion of U type frame is perpendicular.

The U-shaped frame and the cradle are made of light synthetic plastic materials with certain strength, magnetic driving force can be reduced, when the baby needs to sleep, the baby is placed in the cradle, the baby possibly opens eyes to see the mother, then the mother can shake the cradle to enable the cradle to reach certain frequency and amplitude, when the cradle is shaken, relative motion also occurs between the magnetic strip at the bottom of the U-shaped frame and the magnetic driving area, a detection coil in the electromagnetic driving area can be used for determining the swinging amplitude and frequency of the cradle after the magnetic strip passes through a certain time interval and the farthest coil position of the swinging of the magnetic strip, so that the baby can leave from the busy things after seeing the eyes of the baby, the electromagnetic driving area can correct the swinging posture of the cradle according to the detected data, and after the electromagnetic driving area loses power, the same swinging rhythm and amplitude are still maintained, and the baby gradually stops sleeping with small amplitude along with time.

Further, the inner wall lower part of change is equipped with first arc permanent magnet, the upper end both sides of U type frame are equipped with and are located the inboard linking arm pivot of change, the lower part of linking arm pivot is equipped with second arc permanent magnet, first arc permanent magnet with the relative one side of second arc permanent magnet is the same name magnetic pole, the top of change is equipped with the connecting pin, the one end of connecting pin is connected with the connection rope, the second end of connecting the rope is fixed the intermediate position department of linking arm pivot.

In order to guarantee that there is almost no frictional force between change and the linking arm pivot, adopt first arc permanent magnet and second arc permanent magnet to form the support to change and linking arm pivot, reuse the further support and the connection of mode of connecting pin and connection rope simultaneously, it only plays the effect of dragging, and rotate the in-process, it can take place to warp to connect rope self, and there is frictional resistance hardly, like this, when linking arm pivot and change take place relative rotation, not only frictional force is very little or almost not exist, guarantee electromagnetic drive's normal clear, and do not have any noise, can not disturb the environment that the baby sleeps.

Further, U type frame includes magnetic stripe counter weight seat and two linking arms, two the linking arm vertical fixation is in the up end of magnetic stripe counter weight seat, the magnetic stripe with two the linking arm is located the coplanar, the inboard of linking arm is equipped with the draw-in groove, the inboard elastic connection of connecting axle has the fixture block, the draw-in groove with pass through between the connecting axle the fixture block is connected.

The magnetic stripe counter weight seat mainly is the weight that increases the magnetic stripe, and when the motion of drive magnetic stripe, be convenient for drive the cradle of top like this, the magnetic stripe counter weight seat is being connected to two linking arms, connects through the block between connecting axle and the draw-in groove, makes things convenient for the cradle in the inboard adjustment height of linking arm, just so makes things convenient for mother of different heights to put the baby waist when bowing can not too labouring, also conveniently with comfortable posture when rocking the cradle under the seat.

Furthermore, the connecting shaft is fixed on the outer walls of the two sides of the cradle, an extending portion is arranged on one side of the clamping block along the width direction of the clamping block, a first spring used for driving the clamping block to move in the opposite direction towards the clamping groove is arranged on the end face of the extending portion, a supporting block which is perpendicular to the first spring in the opposite direction in the moving direction is arranged on the side wall of the cradle, a step matched with an inclined surface at one end of the first spring is arranged on the supporting block, a second spring is arranged above the supporting block, and a holding groove is formed in the upper portion of the supporting block.

When the height of the cradle needs to be adjusted, the outer walls of two sides of the cradle are held by two hands and close to the upper portion of the connecting shaft, then fingers apply force upwards in the holding grooves, the abutting blocks move upwards for a certain distance, then the steps move upwards, the first springs push the abutting blocks at the moment, the clamping blocks are contracted at one sides close to the clamping grooves, therefore, the cradle can slide in the two connecting arms, when the fingers release the holding grooves, the abutting blocks can move downwards due to the elasticity of the second springs, when the steps extrude the clamping blocks again, the clamping blocks can be extruded towards the clamping grooves, the clamping blocks are clamped with the clamping grooves again, and the cradle is positioned again, so that the adjustment of the cradle in the height direction is realized, the adjustment mode is simple and convenient, different swing amplitudes of the cradle can be obtained, and the cradle is suitable for mothers with different heights to sleep the baby in a comfortable posture.

Furthermore, the electromagnetic driving area comprises a driving coil and detection coils, the detection coils are located at two side ends of the driving coil, the magnetic strip is provided with marking coils corresponding to the detection coils, the marking coils comprise at least two marking coils, one marking coil is located at the front end of the magnetic strip in the moving direction, the other marking coil is located at the rear end of the magnetic strip in the moving direction, and the magnetic fields of the two marking coils are opposite in direction.

The driving coil is in a standby state in a general state, when the detection coil detects an electric signal, the driving coil is electrified, the marking coil and the detection coil are in low-power detection states, corresponding detection data can be obtained by shaking the cradle after equipment is electrified, in order to obtain that the magnetic strip completely passes through a strip-shaped coil area, two marking coils with opposite magnetic field directions are adopted, and one detection coil obtains two different magnetic field data and then one magnetic strip completely passes through, so that the position can be judged, and the magnetic strip swings to which posture at the edge.

Furthermore, the electromagnetic driving area is composed of a plurality of strip-shaped coil areas arranged along the moving direction of the magnetic stripe, the strip-shaped coil areas and the magnetic stripe are distributed in parallel, the sum of the width of the gap between every two adjacent strip-shaped coil areas and the width of each strip-shaped coil area is smaller than the width of the magnetic stripe, and a plurality of coil units are arranged in each strip-shaped coil area.

When the strip coil area drives the magnetic strip, along the moving direction of the magnetic strip, the coil units in the strip coil area in front of the magnetic strip are unlike magnetic poles, the coil units right below the magnetic strip and behind the magnetic strip are like magnetic poles, and only the coil units below the magnetic strip and in two adjacent strip coil areas are electrified, so that the whole power consumption is kept in a low state.

The rocking method of the crib, further, utilize the above-mentioned full automatic mechanical type to rock the crib, including the following steps:

s1, enabling the cradle to obtain initial shaking amplitude and frequency, and recording average values of the shaking amplitude and the frequency of the cradle within preset time by utilizing the marking coil and the detecting coil;

s2, after the preset time, the controller controls the cradle to reach the average value of the shaking amplitude and the frequency of the cradle recorded in the step by utilizing the strip-shaped coil area;

and S3, controlling the cradle to gradually stop swinging according to the preset time by the strip coil area.

Further, in step S1, the cradle is manually operated to obtain an initial shaking amplitude and frequency, and the preset time is one minute.

Further, in step S2, the shaking frequency is calculated by the time interval when the marker coils at the front end and the rear end of the magnetic stripe pass through the detection coil in one of the bar-shaped coil regions, respectively, and the shaking amplitude is calculated by the position distribution of the bar-shaped coil region at the outermost side reached by the marker coils.

Further, in step S3, the preset time is 10min.

A mother manually enables the cradle to swing under a certain swing amplitude and frequency, the coil and the detection coil are marked to continuously acquire the swing amplitude and frequency data of the cradle in one minute, the cradle is driven by the coil units in the strip-shaped coil areas after one minute, the speed of the magnetic strip passing through each strip-shaped coil area is detected, and therefore the cradle is judged to be decelerated or accelerated compared with the cradle before, if the cradle is decelerated, the power of the coil units is enhanced by the voltage transformation module to enable the cradle to reach the preset swing amplitude and frequency, the direction of the current is changed by the reversing module to enable the magnetic force direction of the coil units to be changed, the time length of the current in the coil units can be controlled by the time delay module, and the proper electromagnetic force is controlled according to the preset stop time to enable the cradle frequency and the swing amplitude to be gradually reduced, so that the baby can sleep safely.

Compared with the prior art, the invention has the following beneficial effects:

the electromagnetic driving area on the base is used for electromagnetically driving the magnetic strip on the magnetic strip counterweight seat, the swivel and the U-shaped frame are connected in a magnetic suspension mode, no noise is generated in the swinging process of the cradle, the sleeping environment of the baby is ensured, the baby is probably most suitable for the hand-shaking-out state of a mother due to different swinging frequencies and amplitudes of the cradle of everyone, and the swinging posture data of the cradle can be obtained by utilizing the magnetic strip and the detection coil in the electromagnetic driving area, so that the swinging posture of the mother can be simulated on the basis of the swinging posture data, and the baby can obtain the optimal sleeping environment.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view of a connecting arm structure of the present invention;

FIG. 3 is a schematic diagram of the structure of FIG. 2 at A in accordance with the present invention;

FIG. 4 is a schematic diagram of the structure of the electromagnetic driving region in the present invention;

FIG. 5 is a block diagram of the control principle of the drive coil in the present invention;

FIG. 6 is a schematic view of the swivel according to the present invention;

in the figure: 1. a base; 11. a support plate; 2. rotating the ring; 21. a first arc-shaped permanent magnet; 22. a connecting pin; 23. connecting ropes; 3. an electromagnetic drive region; 301. a drive coil; 302. a detection coil; 31. a strip coil region; 32. a coil unit; 4. a magnetic strip counterweight seat; 41. a magnetic strip; 411. marking the coil; 42. a connecting arm; 421. a card slot; 43. a connecting arm rotating shaft; 431. a second arc-shaped permanent magnet; 5. a cradle; 6. a connecting shaft; 61. a clamping block; 611. an extension portion; 62. a resisting block; 621. a step; 622. a holding groove; 63. a first spring; 64. a second spring.

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. 1-6, the present invention provides the following technical solutions: full-automatic mechanical type sways crib, the on-line screen storage device comprises a base 1, U type frame, electromagnetic drive district 3 and cradle 5, the up end both sides of base 1 are fixed with backup pad 11, the upper end of backup pad 11 is equipped with swivel 2, rotate between swivel 2 and the U type frame and be connected, cradle 5 passes through connecting axle 6 and installs the inboard at U type frame adjustably along the direction of height of U type frame, the bottom intermediate position department of U type frame is equipped with magnetic stripe 41, the up end of base 1 is equipped with electromagnetic drive district 3, be connected through electromagnetic force transmission between electromagnetic drive district 3 and the magnetic stripe 41, the direction of arranging of magnetic stripe 41 is perpendicular with the direction of motion of U type frame.

The bottom of the base 1 is provided with a rubber cushion which can increase stability and reduce noise during movement, the U-shaped frame and the cradle 5 are made of light synthetic plastic materials with certain strength, magnetic driving force can be reduced, when an infant needs to be put in the cradle 5 for sleeping, the infant can possibly open eyes to see the mother, then the mother can shake the cradle 5 to enable the cradle 5 to reach certain frequency and amplitude, when the cradle 5 is shaken, relative motion is generated between the magnetic strip 41 at the bottom of the U-shaped frame and the magnetic driving area 3, the detection coil 302 in the electromagnetic driving area 3 can correct the swinging posture of the cradle 5 according to the time interval when the magnetic strip 41 passes a certain point and the farthest coil position when the magnetic strip swings, so that the swinging amplitude and frequency of the cradle 5 are determined, when the mother sees that the infant closes eyes, the baby can leave the infant, and the electromagnetic driving area 3 can gradually and stably swing the infant in a busy state along with the stopping time by using the detected data.

Specifically, as shown in fig. 6, a first arc-shaped permanent magnet 21 is arranged on the lower portion of the inner wall of the swivel 2, connecting arm rotating shafts 43 located on the inner sides of the swivel 2 are arranged on two sides of the upper end of the u-shaped frame, a second arc-shaped permanent magnet 431 is arranged on the lower portion of each connecting arm rotating shaft 43, the opposite sides of the first arc-shaped permanent magnet 21 and the second arc-shaped permanent magnet 431 are of the same magnetic pole, a connecting pin 22 is arranged above the swivel 2, one end of the connecting pin 22 is connected with a connecting rope 23, and the second end of the connecting rope 23 is fixed in the middle position of each connecting arm rotating shaft 43.

In order to ensure that almost no friction force exists between the rotating ring 2 and the connecting arm rotating shaft 43, the first arc-shaped permanent magnet 21 and the second arc-shaped permanent magnet 431 are adopted to support the rotating ring 2 and the connecting arm rotating shaft 43, and meanwhile, the connecting pin 22 and the connecting rope 23 are further supported and connected in a mode of only playing a role of pulling, and in the rotating process, the connecting rope 23 can deform per se, almost no friction resistance exists, so that when the connecting arm rotating shaft 43 and the rotating ring 2 rotate relatively, the friction force is very small or almost nonexistent, the normal operation of electromagnetic driving is ensured, no noise exists, and the environment for sleeping of the baby is not interfered.

Specifically, as shown in fig. 2, the U-shaped frame includes magnetic stripe counterweight seat 4 and two connecting arms 42, two connecting arms 42 are vertically fixed on the upper end face of magnetic stripe counterweight seat 4, magnetic stripe 41 and two connecting arms 42 are located in the same plane, the inside of connecting arm 42 is provided with draw-in groove 421, the inside elastic connection of connecting shaft 6 has fixture block 61, and draw-in groove 421 is connected with connecting shaft 6 through fixture block 61 block.

Magnetic stripe counter weight seat 4 is mainly the weight that increases magnetic stripe 41, like this when the motion of drive magnetic stripe 41, be convenient for drive the cradle 5 of top, magnetic stripe counter weight seat 4 is being connected to two linking arms 42, connect through the block between connecting axle 6 and the draw-in groove 421, make things convenient for cradle 5 in the inboard adjustment height of linking arm 42, just so make things convenient for the mother of different heights waist can not too labouring when putting the baby bending over, also make things convenient for with comfortable posture when rocking cradle 5 sitting down.

Specifically, as shown in fig. 2-3, the connecting shaft 6 is fixed on the outer walls of two sides of the cradle 5, an extending portion 611 is disposed on one side of the latch 61 along the width direction thereof, a first spring 63 for driving the latch 61 to move in the opposite direction to the slot 421 is disposed on the end surface of the extending portion 611, a supporting block 62 perpendicular to the movement direction of the first spring 63 is disposed on the side wall of the cradle 5, a step 621 matched with an inclined surface of one end of the first spring 63 is disposed on the supporting block 62, a second spring 64 is disposed above the supporting block 62, and a holding groove 622 is disposed on the upper portion of the supporting block 62.

When the height of the cradle 5 needs to be adjusted, the outer walls of two sides of the cradle 5 are held by two hands and close to the upper part of the connecting shaft 6, then fingers apply force upwards in the holding grooves 622 to enable the abutting blocks 62 to move upwards for a certain distance, then the step 621 moves upwards, at the moment, the first springs 63 push the abutting blocks 62 to enable the fixture blocks 61 to contract towards one sides of the clamping grooves 421, therefore, the cradle 5 can slide in the two connecting arms 42, when the fingers release the holding grooves 622, the abutting blocks 62 can move downwards due to the elastic force of the second springs 64, when the step 621 squeezes the fixture blocks 61 again, the fixture blocks 61 can be squeezed towards the direction of the clamping grooves 421 to be clamped with the clamping grooves 421 again to be positioned again, adjustment of the cradle 5 in the height direction is achieved, the adjusting mode is simple and convenient, the cradle 5 can obtain different swinging amplitudes, and the cradle 5 can adapt to mothers with different heights to sleep babies in comfortable postures.

Specifically, the electromagnetic driving area 3 includes a driving coil 301 and a detection coil 302, the detection coil 302 is located at two side ends of the driving coil 301, a marking coil 411 corresponding to the detection coil 302 is arranged on the magnetic stripe 41, the marking coils 411 include at least two marking coils, one of the marking coils is located at the front end of the magnetic stripe 41 in the moving direction, the other marking coil is located at the rear end of the magnetic stripe 41 in the moving direction, and the magnetic fields of the two marking coils 411 are opposite in opposite directions.

The driving coil 301 is in a standby state under a general state, when the detection coil 302 detects an electric signal, the driving coil 301 is electrified, the marking coil 411 and the detection coil 302 are in low-power detection states, corresponding detection data can be obtained by shaking the cradle 5 after the equipment is electrified, in order to obtain that the magnetic strip 41 completely passes through one strip-shaped coil area 31, two marking coils 411 with opposite magnetic field directions are adopted, and one detection coil 302 obtains two different magnetic field data and then one magnetic strip 41 completely passes through, so that the position where the magnetic strip 41 swings to which posture at the extreme edge can be judged.

Specifically, as shown in fig. 4, the electromagnetic driving area 3 is composed of a plurality of bar-shaped coil areas 31 arranged along the moving direction of the magnetic stripe 41, the plurality of bar-shaped coil areas 31 are distributed in parallel with the magnetic stripe 41, the sum of the width of the bar-shaped coil area 31 and the gap between two adjacent bar-shaped coil areas 31 is smaller than the width of the magnetic stripe 41, and the plurality of coil units 32 are arranged in the bar-shaped coil areas 31.

When the magnetic stripe 41 is driven by the bar-shaped coil area 31, along the moving direction of the magnetic stripe 41, the coil unit 32 in the bar-shaped coil area 31 in front of the magnetic stripe 41 is a synonym magnetic pole, and one of the coil unit 32 right below and behind the magnetic stripe 41 is a synonym magnetic pole, and only the coil unit 32 in the two adjacent bar-shaped coil areas 31 below the magnetic stripe 41 is electrified, so that the overall power consumption is kept in a low state.

The shaking method of the crib utilizes the full-automatic mechanical type to swing the crib, and comprises the following steps:

step S1, obtaining an initial shaking amplitude and frequency of the cradle 5, and recording the average value of the shaking amplitude and frequency of the cradle 5 in a preset time by using the marking coil 411 and the detection coil 302;

s2, after the preset time, the controller utilizes the strip-shaped coil area 31 to control the cradle 5 to reach the average value of the shaking amplitude and the frequency of the cradle 5 recorded in the step;

and S3, controlling the cradle 5 to gradually stop swinging according to the preset time by the strip-shaped coil area 31.

Specifically, in step S1, the cradle 5 is manually set to have an initial shaking amplitude and frequency, and the preset time is one minute.

Specifically, in step S2, the sway frequency is calculated from the time interval when the marker coils 411 at the front end and the rear end of the magnetic stripe 41 pass through the detection coil 302 on one of the bar-shaped coil regions 31, respectively, and the sway amplitude is calculated from the position distribution of the outermost bar-shaped coil region 31 reached by the marker coils 411.

Specifically, in step S3, the preset time is 10-15min.

A mother manually enables a cradle 5 to swing under a certain swing amplitude and frequency, the marking coil 411 and the detecting coil 302 continuously acquire the swing amplitude and frequency data of the cradle 5 within one minute, after one minute, the cradle 5 is driven by the coil units 32 in the strip-shaped coil areas 31, the speed of the magnetic strip 41 passing through each strip-shaped coil area 31 is detected, therefore, the cradle 5 is judged to be decelerated or accelerated compared with the former, if the cradle is decelerated, the power of the coil units 32 is enhanced by the voltage transformation module to reach the preset swing amplitude and frequency, the direction of the current is changed by the reversing module to change the magnetic force direction of the coil units 32, the time duration of the current in the coil units 32 can be controlled by the time delay module, and the proper electromagnetic force is controlled according to the preset stop time, so that the frequency and the swing amplitude of the cradle 5 are gradually reduced, and the baby sleeps well.

The working principle of the invention is as follows: when the height of the cradle 5 needs to be adjusted, the two outer walls of the cradle 5 are held by two hands and close to the upper part of the connecting shaft 6, then the fingers apply force upwards in the holding groove 622 to enable the abutting block 62 to move upwards for a certain distance, then the step 621 moves upwards, at the moment, the first spring 63 pushes towards the abutting block 62 to enable one side of the fixture block 61 close to the clamping groove 421 to contract, so the cradle 5 can slide in the two connecting arms 42, when the fingers release the holding groove 622, the abutting block 62 can move downwards due to the elastic force of the second spring 64, when the step 621 squeezes the fixture block 61 again, the fixture block 61 can be squeezed towards the clamping groove 421 to enable the fixture block to be clamped with the clamping groove 421 again for positioning again, the adjustment of the cradle 5 in the height direction is realized, the adjustment mode is simple and convenient, the cradle 5 can obtain different swing amplitudes to adapt to mothers with different heights to sleep babies in comfortable postures, the bottom of the base 1 is provided with a rubber cushion, the stability can be improved, the noise during movement is reduced, the U-shaped frame and the cradle 5 are made of light synthetic plastic materials with certain strength, the magnetic driving force can be reduced, when a baby needs to be put in the cradle 5 to sleep, the baby possibly opens eyes to see the mother, then the mother can shake the cradle 5 to enable the cradle 5 to reach a certain frequency and amplitude, when the cradle 5 is shaken, the magnetic strip 41 at the bottom of the U-shaped frame and the magnetic driving area 3 also move relatively, the detection coil 302 in the magnetic driving area 3 can determine the swinging amplitude and frequency of the cradle 5 by using the time interval of the magnetic strip 41 passing a certain point and the farthest coil position of the swinging passing of the magnetic strip, so that the mother can leave from the busy self thing after seeing that the baby closes eyes, the marking coil 411 and the detection coil 302 continuously acquire the swinging amplitude and frequency data of the cradle 5 in one minute After one minute, the cradle 5 is driven by the coil units 32 in the strip-shaped coil areas 31, and the speed of the magnetic strip 41 passing through each strip-shaped coil area 31 is detected, so that the cradle 5 is judged to be decelerated or accelerated compared with the previous cradle 5, if the cradle is decelerated, the power of the coil units 32 is enhanced by the voltage transformation module to reach the preset shaking amplitude and frequency, the direction of the current is changed by the reversing module to change the magnetic force direction of the coil units 32, the time of the current in the coil units 32 can be controlled by the time delay module, and the proper electromagnetic force is controlled according to the preset stop time, so that the frequency and the shaking amplitude of the cradle 5 are gradually reduced, and the baby can sleep safely; in order to ensure that almost no friction force exists between the rotating ring 2 and the connecting arm rotating shaft 43, the first arc-shaped permanent magnet 21 and the second arc-shaped permanent magnet 431 are adopted to support the rotating ring 2 and the connecting arm rotating shaft 43, and meanwhile, the connecting pin 22 and the connecting rope 23 are further supported and connected in a mode of only playing a role of pulling, and in the rotating process, the connecting rope 23 can deform per se, almost no friction resistance exists, so that when the connecting arm rotating shaft 43 and the rotating ring 2 rotate relatively, the friction force is very small or almost nonexistent, the normal operation of electromagnetic driving is ensured, no noise exists, and the environment for sleeping of the baby is not interfered.

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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The full-automatic mechanical swinging crib comprises a base (1), a U-shaped frame, an electromagnetic driving area (3) and a cradle (5), wherein supporting plates (11) are fixed on two sides of the upper end face of the base (1), a rotating ring (2) is arranged at the upper end of each supporting plate (11), the rotating ring (2) is rotatably connected with the U-shaped frame, the cradle (5) is adjustably mounted on the inner side of the U-shaped frame along the height direction of the U-shaped frame through a connecting shaft (6), a magnetic stripe (41) is arranged in the middle position of the bottom of the U-shaped frame, the electromagnetic driving area (3) is arranged on the upper end face of the base (1), the electromagnetic driving area (3) is connected with the magnetic stripe (41) in a transmission mode through electromagnetic force, and the arrangement direction of the magnetic stripe (41) is perpendicular to the movement direction of the U-shaped frame;

a first arc-shaped permanent magnet (21) is arranged on the lower portion of the inner wall of the rotating ring (2), connecting arm rotating shafts (43) located on the inner side of the rotating ring (2) are arranged on two sides of the upper end of the U-shaped frame, a second arc-shaped permanent magnet (431) is arranged on the lower portion of each connecting arm rotating shaft (43), the opposite sides of the first arc-shaped permanent magnet (21) and the second arc-shaped permanent magnet (431) are homonymous magnetic poles, a connecting pin (22) is arranged above the rotating ring (2), one end of the connecting pin (22) is connected with a connecting rope (23), and the second end of the connecting rope (23) is fixed in the middle position of each connecting arm rotating shaft (43);

the U-shaped frame comprises a magnetic stripe counterweight seat (4) and two connecting arms (42), the two connecting arms (42) are vertically fixed on the upper end face of the magnetic stripe counterweight seat (4), the magnetic stripe (41) and the two connecting arms (42) are located in the same plane, a clamping groove (421) is formed in the inner side of each connecting arm (42), a clamping block (61) is elastically connected to the inner side of the connecting shaft (6), and the clamping groove (421) is connected with the connecting shaft (6) in a clamping mode through the clamping block (61);

the connecting shaft (6) is fixed on the outer walls of two sides of the cradle (5), an extending portion (611) is arranged on one side of the clamping block (61) along the width direction of the clamping block, a first spring (63) used for driving the clamping block (61) to move in the opposite direction towards the clamping groove (421) is arranged on the end face of the extending portion (611), a resisting block (62) which is perpendicular to the movement direction of the first spring (63) is arranged on the side wall of the cradle (5), a step (621) matched with an inclined surface of one end of the first spring (63) is arranged on the resisting block (62), a second spring (64) is arranged above the resisting block (62), and a holding groove (622) is arranged on the upper portion of the resisting block (62);

the electromagnetic driving area (3) comprises a driving coil (301) and detection coils (302), the detection coils (302) are positioned at the end parts of two sides of the driving coil (301), the magnetic strip (41) is provided with marking coils (411) corresponding to the detection coils (302), the marking coils (411) comprise at least two marking coils, one marking coil is positioned at the front end of the movement direction of the magnetic strip (41), the other marking coil is positioned at the rear end of the movement direction of the magnetic strip (41), and the magnetic fields of the two marking coils (411) are opposite in direction;

the electromagnetic driving area (3) is composed of a plurality of strip-shaped coil areas (31) arranged along the moving direction of the magnetic stripe (41), the strip-shaped coil areas (31) and the magnetic stripe (41) are distributed in parallel, the sum of the width of the gap between every two adjacent strip-shaped coil areas (31) and the width of each strip-shaped coil area (31) is smaller than the width of the magnetic stripe (41), and a plurality of coil units (32) are arranged in each strip-shaped coil area (31).

2. The shaking method of the crib is characterized in that: the full automatic mechanical swing crib of claim 1, comprising the steps of:

s1, obtaining an initial shaking amplitude and frequency of the cradle (5), and recording the average value of the shaking amplitude and frequency of the cradle (5) in a preset time by using the marking coil (411) and the detection coil (302);

s2, after a preset time, the controller controls the cradle (5) to reach the average value of the shaking amplitude and the frequency of the cradle (5) recorded in the step by using the strip-shaped coil area (31);

s3, controlling the cradle (5) to gradually stop swinging according to preset time by the strip coil area (31);

in step S1, the cradle (5) is manually enabled to obtain an initial shaking amplitude and frequency, and the preset time is one minute;

in step S2, a sway frequency is calculated by a time interval when the marker coils (411) at the front end and the rear end of the magnetic stripe (41) pass through the detection coil (302) on one of the strip coil areas (31), respectively, and a sway amplitude is calculated by a position distribution of the outermost strip coil area (31) reached by the marker coil (411);

in step S3, the preset time is 10-15min.