CN102846094A - Driving system and driving method used for infant swinger - Google Patents
Driving system and driving method used for infant swinger Download PDFInfo
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- CN102846094A CN102846094A CN2012100813120A CN201210081312A CN102846094A CN 102846094 A CN102846094 A CN 102846094A CN 2012100813120 A CN2012100813120 A CN 2012100813120A CN 201210081312 A CN201210081312 A CN 201210081312A CN 102846094 A CN102846094 A CN 102846094A
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- oscillation
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- gear
- rocker
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Abstract
The invention relates to a driving system used for an infant swinger. The driving system includes a motor assembly, a sensor assembly, a control circuit and a power source. The motor assembly includes a motor, a pivot shaft and a gear box. The sensor assembly generates signals indicating rotation speed of at least one gear in the gear box. The control circuit receives the signals and calculates the actual swing amplitude of the swinger, compares the actual swing amplitude with the predetermined required swing amplitude, and instructs the motor to increase or reduce power output, thereby making the actual swing amplitude of the swing matched with the predetermined required swing amplitude basically. The invention also relates to a driving method including steps of supplying power to the motor; driving the gear box; driving the pivot shaft and an encoder wheel directly by the gear box; generating the signals indicating rotation speed of at least one gear in the gear box by the sensor; receiving the signals by the control circuit and calculating the value of the swing amplitude of the swinger; generating second signals making the driving system drive the swinger at the predetermined swing amplitude.
Description
Technical field
The present invention be directed to drive system, it is configured to keep the amplitude of oscillation that the user for baby's rocker selectes.
Background technology
Baby's rocker is a kind of children article commonly used, can build appropriateness and rock, and makes the baby that comfort and the sense of security be arranged.
Summary of the invention
According to example embodiment, drive system comprises electric machine assembly and sensor cluster.In general, electric machine assembly comprises motor, pivotal axis and is configured to make motor to be connected to the gear-box of pivotal axis.Sensor cluster comprises encoder wheel and sensor.Encoder wheel comprises a series of grooves that separate (and/or " virtual " groove that forms around its periphery, it produces with bright area by the black of vibration around the periphery of encoder wheel), and be configured to be connected to gear-box, so that encoder wheel is driven by direct geared.Sensor is configured to sensing groove (no matter being real groove or virtual groove) when by sensor and generate the when signal by sensor of indication groove.Drive system also comprises control circuit, and control circuit is configured to receive from the signal of sensor and calculates the current amplitude of oscillation of rocker, and the current amplitude of oscillation of rocker is as the function of the quantity of the groove by sensor in a special time period.The required amplitude of oscillation of the current amplitude of oscillation and user's setting is compared, and control circuit instruction motor is correspondingly adjusted its power stage.Drive system also is included as the power supply of motor supply capability.
Description of drawings
Now with reference to accompanying drawing, accompanying drawing is not to draw in proportion, wherein:
Fig. 1 has shown the front perspective view of baby's rocker;
Fig. 2 has shown according to the present invention the electric machine assembly of example embodiment;
Fig. 3 has shown that the electric machine assembly of Fig. 2 of example embodiment according to the present invention is connected to lower house;
Fig. 4 has shown that the electric machine assembly of Fig. 3 of example embodiment according to the present invention also is connected to middle casing;
Fig. 5 has shown according to the present invention the sensor cluster of example embodiment;
Fig. 6 has shown according to the present invention the drive system of example embodiment;
Fig. 7 has shown according to the present invention the method for the amplitude of oscillation that is used for control baby rocker of example embodiment.
The specific embodiment
Hereinafter, describe more fully the present invention with reference to relevant drawings, accompanying drawing has been described the preferred embodiments of the present invention.It should be understood, however, that the present invention can embody with many different forms, and should not think and be limited to embodiment described herein and/or that show.
Fig. 1 illustrates the baby's rocker 100 according to example embodiment.In illustrated embodiment, baby's rocker 100 comprises: support 102; At least one Swing Arm 104, it is connected to support 102 pivotly; Swinging seat 106, it is connected to Swing Arm 104.Support 102 comprises: base portion 108, and it is configured to be shelved on the stayed surface (for example the floor 110); Basic upstanding portion 112, it is connected to base portion 108 and extends upward from base portion 108.Illustrated embodiment comprises two Swing Arms 104, but optional embodiment can comprise only Swing Arm 104, or comprises other Swing Arm 104.Swing Arm 104 preferably is connected to the summit of support 102 with pendulum shape arrangement, if but need also can be connected to along other positions of the upstanding portion 112 of support.As shown in Figure 1, Swing Arm 104 is configured to pivot with respect to support 102.Swinging seat 106 is fixed to Swing Arm 104, and is suitable for admitting baby or children.In certain embodiments, rocker 100 is configured to folding to allow easier storage and/or to carry.Rocker 100 also comprises internal drive system, and internal drive system is configured to drive Swing Arm 104 by a swinging the arc, as described further below.
In a preferred embodiment, internal drive system is configured to drive Swing Arm 104 with the amplitude of oscillation of user (such as father and mother or guardian) preliminary election.Rocker 100 can comprise user interface 180, and user interface 180 comprises controller, and controller allows the guardian to select one of a plurality of predetermined amplitudes of oscillation (for example, 10 °, 20 ° or 30 °).Alternatively, the required amplitude of oscillation can be set by following manner: manually made Swing Arm 104 be positioned at the required amplitude of oscillation and triggered a controller by the user, this controller is so that the current required amplitude of oscillation of rocker is calculated and kept to drive system.
Fig. 2 illustrates the electric machine assembly 114 according to example embodiment of the present invention.Electric machine assembly 114 comprises motor, and motor is configured to by the driving pivotal axis 116 that rotatablely moves.Pivotal axis 116 is connected in the Swing Arm 104, so that when pivotal axis 116 rotation, Swing Arm 104 pivots by a swinging the arc.Motor can be traditional electromechanical motor 118, as shown in Figure 2, maybe can be optional driving element, for example electromagnetic driving system.Motor 118 can be connected to pivotal axis 116 by gear-box 120, and gear-box 120 is used for reducing the numerical value of the revolutions per minute of pivotal axis 116.Gear-box 120 comprises at least one spur gear (spur gear) 122, and spur gear 122 is configured to mesh encoder wheel, as shown in Figure 5, and is described in greater detail below.Motor 118 can provide electric power by various power supply (not shown)s, for example battery or the power line that is electrically connected with supply socket.
The electric machine assembly 114 that Fig. 3 illustrates Fig. 2 is connected to lower house 124.Lower house 124 is configured to support motor assembly 114, and comprises that first receives the part that opening 126, the first reception openings 126 are configured to the engage transducer assembly, and is as shown in Figure 5, for a more detailed description hereinafter.
The electric machine assembly 114 that Fig. 4 illustrates Fig. 2 be connected to lower house 124 and middle casing 128 both.Middle casing 128 comprises that the second reception opening 130, wheel shape recess (wheel well) 132 and sensor housing 134, the second receive openings 130 and the first reception opening 126 aligns usually.
Fig. 5 illustrates the sensor cluster 136 according to example embodiment of the present invention.Sensor cluster 136 comprises pairing spur gear 138, pairing spur gear shaft 140, encoder wheel 142 and optical pickocff 144.Pairing spur gear 138 is connected to encoder wheel 142, and is configured to cooperate this spur gear 122 (as shown in Figure 2), so that when spur gear 122 engages this pairing spur gear 138, encoder wheel 142 rotations.Encoder wheel 142 is configured to be positioned in the wheel shape recess 132, contacts with the physical property of wheel shape recess 132 in order to prevent encoder wheel 142, and distance piece 146 can be positioned between pairing spur gear 138 and the encoder wheel 142.Encoder wheel 142 also comprises around the groove 148 of a series of equi-spaced apart of its periphery formation, groove 148 allow daylight and/or surround lighting by (in optional embodiment, groove can be " virtual " so that: be positioned at the black and white strip that replaces on the disk allow light by).Light passes groove 148 and beam incident optical sensor 144, and optical pickocff 144 is positioned to contiguous encoder wheel 142 regularly.Along with encoder wheel 142 is rotated by spur gear 122, sensor 144 is effectively counted the quantity (being that sensor 144 is by the number of times of light incident) of the groove 148 that passes through at predetermined amount of time.Therefore, sensor 144 can be determined the speed that spur gear 122 rotates.This information is passed to the control circuit (not shown), and control circuit utilizes this information to calculate the current amplitude of oscillation of swinging the arc, and the current amplitude of oscillation is as the function at the groove 148 that the section inside counting goes out preset time.Then control circuit compares the required amplitude of oscillation of the current amplitude of oscillation and user's setting, and correspondingly Modulating Power output of instruction motor 118.It should be noted that sensor 144 does not detect the speed of motor, but be merely able to the motion of sensing spur gear 122.
Fig. 6 illustrates drive system module 150 according to a preferred embodiment of the invention.Drive system module comprises electric machine assembly 114, sensor cluster 136, lower house 124 and middle casing 128, as described about accompanying drawing before.Pairing spur gear shaft 140 is configured to engage the first receiver hole 126 and the second receiver hole 130, thereby stability sensor assembly 136 is with respect to the position of electric machine assembly 114.In addition, as shown in the figure, encoder wheel 142 is configured to utilize distance piece 146 to be positioned in the wheel shape recess 132, and this distance piece prevents that encoder wheel 142 from contacting with wheel shape recess 132, so that wheel shape recess 132 can not disturb the rotation of encoder wheel 142.Optical pickocff 144 is configured to be positioned at regularly in the sensor housing 134 and contiguous encoder wheel 142, thereby allows sensor 144 sensing grooves 148 to pass through when wheel 142 rotation.
Fig. 7 illustrates a kind of method of the amplitude of oscillation for controlling baby's rocker.The method may further comprise the steps: power supply sends energy to motor (step 200); Motor-driven gear case (step 202); Gear-box directly drives pivotal axis and encoder wheel (step 204); Sensor sends first signal to control circuit, the rotating speed (step 206) of at least one gear in this first signal indication gear-box; Control circuit utilizes gear speed input to calculate the value (step 208) of the current amplitude of oscillation; And control circuit transmission secondary signal, thereby this secondary signal makes the output of motor Modulating Power more to drive rocker (step 210) near the amplitude of oscillation of the required amplitude of oscillation or with the required amplitude of oscillation.
Those the variations and modifications of herein clearly mentioning exceeding of doing of this baby's rocker are regarded as within the scope of the invention.Should be pointed out that customized configuration and the target mentioned only are exemplary herein, rather than restrictive.
Claims (3)
1. drive system that is used for baby's rocker comprises:
Electric machine assembly comprises:
Motor;
Be connected to the pivotal axis of described motor;
Be connected to the gear-box of described motor and pivotal axis;
Sensor cluster, it is configured to generate the signal of the rotating speed of indicating at least one gear in the described gear-box;
Control circuit, the actual amplitude of oscillation that it is configured to receive described signal and calculates rocker based on described signal, the actual amplitude of oscillation of described rocker is compared with the required amplitude of oscillation of presetting, and the described motor of instruction increases or reduces power stage so that the actual amplitude of oscillation of rocker is mated the described default required amplitude of oscillation substantially; And
Power supply.
2. drive system that is used for baby's rocker comprises:
Electric machine assembly comprises:
Motor;
Pivotal axis; And
The gear train assembly, it makes described motor be connected to described pivotal axis, comprises at least one spur gear;
Sensor cluster comprises:
Encoder wheel, it comprises the equally spaced a plurality of grooves that form around the periphery of described encoder wheel;
The pairing spur gear, it is connected to described encoder wheel and is configured to cooperate described spur gear, so that encoder wheel rotation when described spur gear rotation;
The fixed position optical pickocff, it is configured to generate signal when the described sensor of one of them described groove process;
Control circuit, the current amplitude of oscillation that it is configured to receive described signal and calculates rocker based on the quantity of the signal that receives in a time period, with the described current amplitude of oscillation and the default required amplitude of oscillation relatively, and the described motor of instruction increase or reduce power stage so that the amplitude of oscillation more near the default required amplitude of oscillation; And
Power supply.
3. method of be used for setting the required amplitude of oscillation of baby's rocker, wherein baby's rocker comprises: support; Swing Arm, it is connected to support pivotly; Swinging seat, it is connected to Swing Arm and is configured to and moves along the swinging the arc that is limited by the maximum amplitude of oscillation, and the method may further comprise the steps:
Power supply is powered to motor;
The motor-driven gear case;
Described gear-box directly drives pivotal axis and encoder wheel;
Sensor generates the signal of the rotating speed of at least one gear in the described gear-box of indication;
Control circuit receives described signal and calculates the value of the rocker amplitude of oscillation; And
Described control circuit generates the secondary signal that makes drive system drive rocker with the predetermined amplitude of oscillation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261613706P | 2012-03-21 | 2012-03-21 | |
| US61/613,706 | 2012-03-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102846094A true CN102846094A (en) | 2013-01-02 |
| CN102846094B CN102846094B (en) | 2016-09-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210081312.0A Active CN102846094B (en) | 2012-03-21 | 2012-03-26 | A kind of drive system for baby's rocker and driving method |
Country Status (1)
| Country | Link |
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| CN (1) | CN102846094B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185286A1 (en) * | 2016-04-25 | 2017-11-02 | 叶凯荣 | Swing control device for baby product |
| CN107713526A (en) * | 2017-10-31 | 2018-02-23 | 中山市程博工业产品设计有限公司 | A kind of multifunctional crib |
| US10258761B2 (en) | 2015-04-16 | 2019-04-16 | Graco Children's Products Inc. | Children's product with synchronized sound and non-sound output |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166087A (en) * | 2010-02-19 | 2011-08-31 | 明门香港股份有限公司 | Infant swing apparatus |
-
2012
- 2012-03-26 CN CN201210081312.0A patent/CN102846094B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166087A (en) * | 2010-02-19 | 2011-08-31 | 明门香港股份有限公司 | Infant swing apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10258761B2 (en) | 2015-04-16 | 2019-04-16 | Graco Children's Products Inc. | Children's product with synchronized sound and non-sound output |
| WO2017185286A1 (en) * | 2016-04-25 | 2017-11-02 | 叶凯荣 | Swing control device for baby product |
| CN107713526A (en) * | 2017-10-31 | 2018-02-23 | 中山市程博工业产品设计有限公司 | A kind of multifunctional crib |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102846094B (en) | 2016-09-07 |
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Address after: Georgia, USA Patentee after: Kerz ii GmbH Address before: Georgia, USA Patentee before: Children's Second Generation Co. |
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