WO2006079263A1 - Poubelle avec un couvercle amorti - Google Patents

Poubelle avec un couvercle amorti Download PDF

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Publication number
WO2006079263A1
WO2006079263A1 PCT/CN2005/001274 CN2005001274W WO2006079263A1 WO 2006079263 A1 WO2006079263 A1 WO 2006079263A1 CN 2005001274 W CN2005001274 W CN 2005001274W WO 2006079263 A1 WO2006079263 A1 WO 2006079263A1
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WO
WIPO (PCT)
Prior art keywords
lid
circuit
stroke
motor
trash
Prior art date
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Ceased
Application number
PCT/CN2005/001274
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English (en)
French (fr)
Inventor
Xin Wang
Jiangqun Chen
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to EP05774454.2A priority Critical patent/EP1847483A4/en
Priority to US11/578,203 priority patent/US7598693B2/en
Publication of WO2006079263A1 publication Critical patent/WO2006079263A1/zh
Anticipated expiration legal-status Critical
Priority to US12/583,947 priority patent/US7952307B2/en
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F1/16—Lids or covers
    • B65F1/1623—Lids or covers with means for assisting the opening or closing thereof, e.g. springs
    • B65F1/1638—Electromechanically operated lids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F2001/1653—Constructional features of lids or covers
    • B65F2001/1661—Constructional features of lids or covers relating to noise reduction, e.g. during opening or closing

Definitions

  • the utility model relates to a garbage storage device, in particular to a garbage can that can be buffered and closed by an induction automatic switch cover.
  • the prior art automatic switch cover trash can sounds relatively loud when the cover is closed, and the source of the noise is the sound generated by the collision between the cover and the barrel when the cover is closed, because the cover is from the maximum position to the closed position of the cover.
  • the rotation stroke is generally about 90 degrees, and the lid is gradually accelerated during the closing action. When the lid is about to close in place, the speed is the fastest, and the collision between the lid and the barrel is louder. Especially at night, such noise can affect the rest of others. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a trash can that can reduce the noise of the cover and can be cushioned.
  • the utility model is realized by the following ways.
  • the trash can can be buffered, including the barrel, the lid, the motor and the transmission device, and the motor is driven and connected with the driven member of the lid by the transmission device, and the structural point thereof is that the barrel lid stroke sensing and control are also included.
  • the barrel lid stroke sensing and controller comprises a barrel lid stroke sensor and an electric circuit breaker circuit, the barrel lid stroke sensor is connected with the electric machine breaking circuit control end, and the electric unit breaking circuit is connected with the motor, the motor
  • the shutdown circuit accepts the trigger signal of the lid stroke feeler and controls the corresponding action of the motor, and the barrel lid stroke induced by the barrel lid stroke sensor trigger point is smaller than the full stroke of the lid lid closing process.
  • the lid stroke sensor is triggered to issue a trigger signal to the electric circuit to break the circuit, and the electric circuit immediately stops the application at both ends of the motor.
  • the current is turned off and the motor stops rotating in the direction of the cover.
  • the lid that is not yet in place continues to close by the inertia of the movement until it closes with the barrel. Since only the inertia of the movement is closed in place, the lid of the lid that is in contact with the barrel is slower, the kinetic energy is smaller, and the impact with the barrel is smaller.
  • the object of the present invention can also be achieved by the following means.
  • the barrel lid stroke sensing and the controller further comprise a short circuit, the control end of which is connected with the barrel lid stroke sensor, and the output end of the short circuit is connected to both ends of the motor.
  • the short circuit allows the two input terminals of the motor to be shorted to form a loop to cause the motor to produce a braking effect.
  • the principle is: When the lid is continuously closed by the inertia of the movement, the motor will be rotated by the transmission. According to the electromagnetic principle, the DC motor will become a generator. After short-circuiting the two input ends of the motor, the coil inside the motor has a current, which hinders the movement of the lid of the lid, which makes it slow down faster, further reducing the kinetic energy when the lid is in contact with the barrel, and reducing the noise of closing the lid.
  • the lid stroke sensing and controller also includes a reverse circuit having a control end coupled to the lid stroke feeler and plugged between the power source and the motor.
  • the cap stroke feeler triggers the reverse circuit operation, and applies the same current to the motor in the direction of the opening, thereby hindering the closing movement of the lid. Inertia, speed up its speed reduction.
  • the barrel cover stroke sensing and the controller further comprise a delay circuit and one of the short circuit and the reverse circuit, wherein the control end of the short circuit or the reverse circuit is connected to the barrel stroke feeler, and the motor and the motor
  • the connection, the delay circuit is connected to the short circuit or the reverse circuit, and is also connected to the electrical circuit.
  • the short circuit or the reverse circuit is controlled by the delay circuit to operate only for a short period of time.
  • the operation of the short circuit or the reverse circuit is interrupted, and the operation of the circuit is resumed.
  • the shutdown current is applied to both ends of the motor, and the motor resumes closing the cover (secondary cover) until the cover is closed. Since the secondary closing cover starts after the lid is stopped or the closing speed is slow, and the stroke is much smaller than the total closing stroke, the instantaneous closing speed of the lid is low, and the noise is naturally small, and at the same time, Make sure the closing process is completely completed.
  • the above-mentioned electric interrupt circuit and short circuit or reverse circuit can be completed by a motor forward/reverse drive circuit composed of four transistors Q2, Q3, Q4, Q5 and diodes D5, D6, D7, and D8.
  • lid stroke sensor The specifics about the lid stroke sensor are as follows:
  • the lid stroke feeler may be a stroke sensor that directly senses and senses the closing stroke of the lid, or may directly sense or set the closing time of the lid to be converted into a lid closing stroke. Delay switch, etc.
  • the stroke sensor is either composed of a travel switch and a cam, or a magnetic one-stroke sensor composed of a magnetron switch and a magnet, or a light-electrical stroke sensor composed of a light-controlled switch.
  • the above-mentioned stroke sensor can be used as a sampling circuit alone, and if necessary, it can also be added to the counting device. Is the sampling circuit.
  • the moving parts of these stroke sensors can be selectively mounted on the transmission or alternatively mounted on the lid.
  • the lid stroke sensing and the controller further comprise a reference circuit and a comparison circuit, and the sampling signal obtained by the counting device is compared with a reference value in the reference circuit, when the value is equal to or When it is greater than the reference value, the comparison circuit is triggered, and the electric circuit is controlled to operate accordingly.
  • the above counting device, reference circuit, comparison circuit and delay circuit can all be included in the IC3 chip of the type CF745.
  • the barrel lid stroke induced by the trigger point of the barrel lid stroke sensor should be greater than the full stroke of the 1/2 barrel lid closing process, and the optimal selection should be Yes: 90% - 70% of the full stroke of the lid closure process.
  • the upper limit of the lid stroke sensed by the trigger point of the lid stroke feeler is preferably selected, that is: 90% or close to 90%; when the subsequent closing cover has braking and twice The second time to close the cover is about 0. 1 second to the time when the cover is closed, that is, the lower limit is about 70% or 70%. 0. 3 seconds between.
  • the utility model has the following advantages compared with the prior art: the touch of the barrel cover and the barrel body is small, and the cover is also relatively quick and neat.
  • FIG. 1 is a schematic view showing the structure of an embodiment 1 of the present invention.
  • FIG. 2 is a block diagram of Embodiment 1 of the present invention.
  • FIG. 3 is a circuit diagram of Embodiment 1 of the present invention.
  • Figure 4 is a schematic view of the structure of the preferred embodiment of the present invention.
  • Figure 5 is a block diagram of a preferred embodiment of the present invention.
  • Figure 6 is a circuit diagram of a preferred embodiment of the present invention.
  • the trash can can be buffered, including a barrel, a lid, a motor and a transmission.
  • the motor is connected to the driven member of the lid through the transmission, and includes a barrel lid stroke sensing.
  • the controller, the lid stroke sensing and controller comprises a lid stroke sensor 1 and an electrical circuit 2, and the barrel stroke sensor 1 is connected to the control end of the electrical circuit 2, and the electrical device is disconnected
  • the circuit 2 is connected to the motor 4, and the electric circuit breaker circuit 2 receives the trigger signal of the bucket lid stroke sensor 1 and controls the corresponding action of the motor 4, and the barrel lid stroke induced by the trigger point of the barrel lid stroke sensor 1 is smaller than the lid lid closing process.
  • the full stroke specifically the full stroke of the 70% lid closure process.
  • the lid stroke sensing and controller further includes a short circuit 3, the control end of which is connected to the lid stroke sensor 1 and is inserted between the two ends of the motor 4, and the stroke sensor is composed of a stroke switch and a cam.
  • the cam of the lid stroke sensor 1 triggers the stroke switch, sends a signal to the electric circuit breaker circuit 2 and the short circuit 3, stops the electric energy applied to both ends of the DC motor, and simultaneously the DC motor
  • the two input terminals are short-circuited, so that the motor generates braking.
  • the lid is not closed.
  • the lid has a certain inertia and will not stop immediately.
  • the barrel cover will drive the DC motor to rotate through the gear.
  • the DC motor becomes a generator.
  • the coil inside the motor passes current.
  • the braking force generated by the motor will hinder the direction of movement of the lid, and the lid can be stopped in a short period of time. , similar to the effect of running vehicle brakes.
  • the output port RA1 of IC3 is high level
  • the output ports of RA0 and RB7 are low level
  • Q3 and Q4 in the driving circuit are turned on
  • Q2 and Q5 are turned off
  • the motor M is applied in reverse. Reverse the voltage, drive the gear, and rotate the cam and the lid.
  • the cam 3 hits the stroke switch to make the stroke switch open. After the trip switch is turned on, the input port RA3 of IC3 is changed from low level to high level.
  • the outputs of RA1 and RA0 are made low, the transistors Q2 and Q4 are turned off, and the output of RB7 is turned off.
  • the transistors Q3 and Q5 are turned on by D5, R12, D6 and R21 respectively. After turning on Q3 and Q5, they form the forward and reverse loops at both ends of the motor with D8 and D7, which is equivalent to short circuit at both ends of the motor.
  • the barrel cover continues to sway 10 degrees by inertia.
  • the braking force of the motor acts to hinder the movement of the lid, and acts as a brake.
  • the speed at which the lid is closed is greatly reduced, and the noise is also reduced. many.
  • the trash can can be buffered, including a barrel, a lid, a motor and a transmission.
  • the motor is connected to the driven part of the lid through the transmission, and includes a barrel lid stroke sensing.
  • the controller, the lid stroke sensing and controller comprises a barrel lid stroke sensor 1 and an electric mechanism.
  • the circuit 2, the barrel lid stroke perception The device 1 is connected to the control end of the electrical circuit 2, and the electrical circuit 2 is connected to the motor 4.
  • the electrical circuit 2 receives the trigger signal of the lid stroke sensor 1 and controls the corresponding action of the motor 4, and the bucket stroke is sensed.
  • the stroke of the lid touched by the trigger point of the device 1 is smaller than the full stroke of the lid lid closing process, specifically the full stroke of the 80% lid lid closing process.
  • the barrel cover stroke sensing and controller further includes a delay circuit 7 and a short circuit 3, the control end of the short circuit 3 is connected to the lid stroke sensor 1 and connected to the motor 4, the delay circuit 7 and the short circuit
  • the circuit 3 is connected and also connected to the electrical circuit 2 .
  • the stroke sensor is a magnetic one-electric stroke sensor composed of a magnetron switch 11 and a magnet.
  • the operation of the short circuit 3 is interrupted, the operation of the circuit 2 is resumed, the shutdown current is applied to both ends of the motor, and the motor is restored to the cover (second cover) until the cover is closed, and the operation time of the second cover is closed.
  • the cover Generally between 0. Width 0. 3 seconds. Since the secondary closing cover is operated after the lid is stopped, and the stroke is much smaller than the total closing stroke, the speed at which the lid is closed is greatly reduced, and the noise is also greatly reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Refuse Receptacles (AREA)
  • Crushing And Pulverization Processes (AREA)

Description

可缓冲关盖的垃圾桶
技术领域
本实用新型涉及一种垃圾贮存器，特别是一种靠感应自动开关盖的可缓冲关盖的 垃圾桶。 技术背景
现有技术的自动开关盖垃圾桶在关盖时声音都比较响， 其噪音的来源是关盖时桶' 盖与桶体碰撞产生的声响， 因桶盖从开启的最大位置到桶盖关闭位置其旋转行程一般 在 90度左右， 桶盖在关闭动作的过程中是逐渐加速的， 当桶盖即将关闭到位的瞬间 其速度最快， 造成桶盖与桶体的碰撞声较响。 特别是在夜晚， 这样的噪音会影响他人 的休息。 发明内容
本实用新型所要解决的技术问题在于提供一种可以降低关盖噪音的可缓冲关盖 的垃圾桶。
本实用新型是通过以下途径来实现的。
可缓冲关盖的垃圾桶， 包括桶体、桶盖、 电机和传动装置， 电机通过传动装置与 桶盖的被驱动件传动连接， 其结构要点在于， 还包括一种桶盖行程传感及控制器， 该 桶盖行程传感及控制器包括一种桶盖行程感知器和电机关断电路， 桶盖行程感知器与 电机关断电路控制端连接， 并且该电机关断电路与电机连接， 电机关断电路接受桶盖 行程感知器的触发信号并控制电机相应动作， 桶盖行程感知器触发点所感应的桶盖行 程小于桶盖盖合过程的全行程。
这样， 当桶盖尚未完成其盖合全行程时， 即桶盖尚未关闭到位时， 桶盖行程感知 器被触发而发出触发信号给电机关断电路， 电机关断电路立即停止施加在电机两端的 关盖电流， 电机停止关盖方向的转动。 此时， 尚未到位的桶盖依靠运动的惯性继续关 盖直至与桶体闭合。 由于只是利用运动的惯性关盖到位， 这样， 与桶体接触霎那的桶 盖的关盖速度较慢， 动能较小， 与桶体的碰触声也较小。
本实用新型的目的还可以通过以下途径来实现。 桶盖行程传感及控制器中还包括一种短路电路， 其控制端与桶盖行程感知器连 接， 短路电路的输出端与电机两端连接。
这样， 当电机关断电路停止施加在电机两端的关盖电流的同时，让短路电路使电 机两输入端短接形成回路使电机产生制动效果。 原理是： 当桶盖依靠运动惯性自行延 续关盖时， 将会通过传动装置带动电机旋转， 根据电磁学原理， 此时的直流电机将变 成发电机。 将电机两输入端短路后， 电机内部的线圈有电流通过， 从而阻碍桶盖的关 盖运动， 使其降速较快， 进一步降低桶盖与桶体碰触时的动能， 减少关盖噪音。
桶盖行程传感及控制器中还包括一种反向电路， 其控制端与桶盖行程感知器连 接， 并且其插接在电源和电机之间。
这样， 当电机关断电路停止施加在电机两端的关盖电流的同时，让桶盖行程感知 器触发反向电路工作， 向电机施加与开盖方向相同的电流， 从而阻碍桶盖的关盖运动 惯性， 加快其降速。
桶盖行程传感及控制器中还包括一种延时电路以及上述短路电路和反向电路的 其中之一，短路电路或反向电路的控制端与桶盖行程感知器连接，并且其与电机连接， 延时电路与短路电路或反向电路连接， 同时还与电机关断电路连接。
这样，通过延时电路控制短路电路或反向电路只工作一段较短的时间，当桶盖尚 未关盖到位时， 中断短路电路或反向电路的工作， 恢复电机关断电路的工作， 重新对 电机两端施加关断电流， 电机恢复关盖（二次关盖）工作至关盖完毕。 由于二次关盖 是在桶盖停顿后或关盖速度较慢时开始的， 而且行程远小于总的关盖行程， 桶盖关闭 的瞬间速度较低， 噪音自然也较小， 同时， 又可确保关盖过程的彻底完成。
上述的电机关断电路和短路电路或反向电路可以由四个三极管 Q2、 Q3、 Q4、 Q5 以及二极管 D5、 D6、 D7、 D8连接而组成的电机正反向驱动电路来完成。
关于桶盖行程感知器的进一部具体是这样的：
桶盖行程感知器可以是一种对桶盖的关闭行程直接进行感应并传感的行程传感 器， 也可以是一种对桶盖的关闭时间进行直接感应或设定再换算成桶盖关闭行程的延 时开关等。
这种行程传感器的进一步具体是：
行程传感器或者由行程开关和凸轮组成，或者是一种由磁控开关和磁铁组成的磁 一电行程传感器， 或者是一种由光控开关组成的光一电行程传感器。
上述行程传感器可以单独作为一种取样电路，必要时，也可加入计数装置共同作 为取样电路。
这些行程传感器中的动件（例如上述的凸轮、磁铁等）可以选择安装在传动装置 上， 也可以选择安装在桶盖上。
当是一种光一电行程传感器时，桶盖行程传感及控制器中还包括一种基准电路和 比较电路， 计数装置所获得的取样信号与基准电路中的基准值进行比较， 当数值等于 或大于基准值时， 比较电路被触发， 并控制电机关断电路相应工作。
上述的计数装置、基准电路和比较电路以及延时电路均可以包含在型号为 CF745 的 IC3芯片中。
关于桶盖行程感知器触发点所感应的桶盖行程的进一步具体是- 桶盖行程感知器触发点所感应的桶盖行程应当大于 1/2桶盖盖合过程的全行程， 最佳选择应是为： 90%— 70%桶盖盖合过程的全行程。
当后续关盖单纯靠运动惯性进行关盖时，桶盖行程感知器触发点所感应的桶盖行 程最好选择上限， 即： 90%或接近 90%; 当后续关盖具有制动以及二次关盖的动作时， 最好选择下限， 即： 70%或 70%左右， 此时， 换算成的制动时间大约在 0. 2秒左右， 二 次关盖的时间大约在 0. 1秒到 0. 3秒之间。
综上所述， 本实用新型相比现有技术具有以下优点： 桶盖与桶体的碰触声较小， 而且关盖也较迅速、 利落。 附图说明
图 1是本实用新型实施例 1结构示意图。
图 2是本实用新型实施例 1的方框图。
图 3是本实用新型实施例 1的电路图。
图 4是本实用新型最佳实施例的结构示意图。
图 5是本实用新型最佳实施例的方框图。
图 6是本实用新型最佳实施例的电路图。
其中， 1 桶盖行程感知器 11 磁控开关 12 计数装置 2 电机关断电路 3 短 路电路 4 电机 5基准电路 6 比较电路 7延时电路。 具体实施方式
实施例 1 : 参照图 1、 图 2， 可缓冲关盖的垃圾桶， 包括桶体、 桶盖、 电机和传动装置， 电 机通过传动装置与桶盖的被驱动件传动连接， 还包括一种桶盖行程传感及控制器， 该 桶盖行程传感及控制器包括一种桶盖行程感知器 1和电机关断电路 2， 桶盖行程感知 器 1与电机关断电路 2控制端连接， 并且该电机关断电路 2与电机 4连接， 电机关断 电路 2接受桶盖行程感知器 1的触发信号并控制电机 4相应动作， 桶盖行程感知器 1 触发点所感应的桶盖行程小于桶盖盖合过程的全行程， 具体为 70%桶盖盖合过程的全 行程，。桶盖行程传感及控制器中还包括一种短路电路 3，其控制端与桶盖行程感知器 1连接， 并且其插接电机 4两端之间， 行程传感器由行程开关和凸轮组成。 垃圾桶关 盖时， 首先对驱动关盖的直流电机施加与开盖方向相反的电流， 这时， 直流电机通过 减速齿轮带动桶盖做关闭动作， 待桶盖关闭大部分行程时 （如总行程为 90度， 约已 关闭 80度）， 桶盖行程感知器 1的凸轮触发行程开关， 发出信号给电机关断电路 2和 短路电路 3， 停止施加在直流电机两端的电能， 同时将直流电机的两个输入端短路， 使电机产生制动， 因为停止供电给直流电机时， 桶盖并没有关到位， 桶盖有一定的惯 性， 不会马上停下来， 桶盖通过齿轮会带动直流电机旋转， 直流电机变成发电机， 将 电机两输入端短路后， 电机内部的线圈有电流通过， 这时电机产生的制动力将阻碍桶 盖的运动方向， 可使桶盖在较短的时间内停下来， 类似于运行中车辆刹车的效果。
参照图 3， 当关盖时， IC3的输出口 RA1为高电平、 RA0和 RB7输出口为低电平， 驱动电路中的 Q3和 Q4导通、 Q2和 Q5关断， 电机 M被施加反向电压而反转， 带动齿 轮且、 凸轮和桶盖旋转， 当桶盖逆时针旋转 80度时 （设桶盖的全行程为 90度)， 凸 轮 3碰到行程开关， 使行程开关导通， 行程开关导通后使 IC3的输入口 RA3由低电平 变为高电平， 通过 IC3的内部程序处理， 使 RA1和 RA0输出为低电平， 让三极管 Q2 和 Q4截止， RB7输出为髙电平分别通过 D5、 R12和 D6、 R21让三极管 Q3和 Q5导通， Q3和 Q5导通后分别与 D8和 D7形成电机两端的正反向回路， 相当于电机两端短路。 电机停电后， 桶盖靠惯性继续下摆 10度的同时， 电机的制动力起到阻碍桶盖运动的 方向， 起到刹车的作用， 这样桶盖关到位的速度就大幅下降， 噪音也会下降较多。
本实施例未述部分与现有技术相同。
最佳实施例：
参照图 4、 图 5， 可缓冲关盖的垃圾桶， 包括桶体、 桶盖、 电机和传动装置， 电 机通过传动装置与桶盖的被驱动件传动连接， 还包括一种桶盖行程传感及控制器， 该 桶盖行程传感及控制器包括一种桶盖行程感知器 1和电机关.断电路 2， 桶盖行程感知 器 1与电机关断电路 2控制端连接， 并且该电机关断电路 2与电机 4连接， 电机关断 电路 2接受桶盖行程感知器 1的触发信号并控制电机 4相应动作， 桶盖行程感知器 1 触发点所感应的桶盖行程小于桶盖盖合过程的全行程， 具体为 80%桶盖盖合过程的全 行程。 桶盖行程传感及控制器中还包括一种延时电路 7以及短路电路 3， 短路电路 3 的控制端与桶盖行程感知器 1连接， 并且其与电机 4连接， 延时电路 7与短路电路 3 连接， 同时还与电机关断电路 2连接。 行程传感器是一种由磁控开关 11和磁铁组成 的磁一电行程传感器。 垃圾关盖时， 首先对直流电机施加与开盖方向相反的电流， 待 桶盖关闭动作完成整个关盖行程的 80%左右时， 通过延时电路 7控制短路电路 3只工 作一段较短的时间， 中断短路电路 3的工作， 恢复电机关断电路 2的工作， 重新对电 机两端施加关断电流， 电机恢复关盖 （二次关盖）工作至关盖完毕， 二次关盖的动作 时间一般在 0.广 0. 3秒之间。 由于二次关盖是在桶盖停顿后动作的， 且行程远小于总 的关盖行程， 桶盖关闭瞬间的速度大下降， 噪音也大幅下降。
参照图 6， 当关盖时 IC3的输出口 RA1为高电平、 RA0和 RB7输出口为低电平， 驱动电路中的 Q3和 Q4导通、 Q2和 Q5关断， 电机 M被施加反向电压而反转， 带动齿 轮组、 齿轮和桶盖旋转， 当桶盖逆时针旋转 70度时， 齿轮也转动八圈， 磁控制开关 产生的八个脉冲信号传递给 IC3内部计数器， 计数器与基准值八比较， 当数值相等或 大于基准值时， IC3内部程序控制使 RA1和 RA0输出口为低电平、 RB7输出口为高电 平， 时间约为 0. Γ0. 3秒， RB7输出高电平后分别通过 D5、 R12和 D6、 R21让三极管 Q3和 Q5导通， Q3和 Q5导通后分别与 D8和 D7形成电机两端的正反向回路， 相当于 电机两端短路， 桶盖在这段时间内靠惯性继续下摆 10度左右的同时， 电机的制动力 起到阻碍桶盖运动的方向， 相当于刹车的作用， 桶盖约停在离关到位还关 10度的地 方， 然后做二次关盖， IC3输出口再次使 RA1为高电平、 RA0和 RB7为低电平， 驱动 电路中的 Q3和 Q4导通、 Q2和 Q5关断， 电机 M被施加反向电压而反转， 通过齿轮组 带动桶盖关闭到位， 约再逆时针旋转 10度， 完成整个关盖动作。
本实施例未述部分与现有技术相同。

Claims

权利要求
1. 可缓冲关盖的垃圾桶， 包括桶体， 桶盖， 电机（4)和传动装置， 电机通 过传动装置与桶盖的被驱动件传动连接， 其特征在于， 还包括一种桶盖行程传感及控 制器， 该桶盖行程传感及控制器包括一种桶盖行程感知器（1 )和电机关断电路（2)， 桶盖行程感知器（1 ) 与电机关断电路（2 ) 控制端连接， 并且该电机关断电路 （2) 与电机 （4)连接， 电机关断电路 （2)接受桶盖行程感知器（1 ) 的触发信号并控制 电机（4)相应动作， 桶盖行程感知器（1 )触发点所感应的桶盖行程小于桶盖盖合过 程的全行程。
2. 根据权利要求 1所述的可缓冲关盖的垃圾桶，其特征在于，桶盖行程传感 及控制器中还包括一种短路电路（3)， 其控制端与桶盖行程感知器 （1 ) 连接， 并且 短路电路输出端与电机 （4)两端连接。
3. 根据权利要求 1所述的可缓冲关盖的垃圾桶，其特征在于，桶盖行程传感 及控制器中还包括一种反向电路， 其控制端与桶盖行程感知器 （1 ) 连接， 并且其插 接在电源和电机（4) 之间。
4. 根据权利要求 1所述的可缓冲关盖的垃圾桶，其特征在于，桶盖行程传感 及控制器中还包括一种延时电路（7) 以及短路电路 （3)和反向电路的其中之一， 短 路电路 （3)或反向电路的控制端与桶盖行程感知器 （1 )连接， 并且其与电机 （4) 连接， 延时电路（7) 与短路电路（3)或反向电路连接， 同时还与电机关断电路（2) 连接。
5. 根据权利要求 2或 3或 4所述的可缓冲关盖的垃圾桶，其特征在于，上述 的电机关断电路和短路电路或反向电路可以由四个三极管 Q2、 Q3、 Q4、 Q5 以及二极 管 D5、 D6、 D7、 D8连接而组成的电机正反向驱动电路来完成。
6. 根据权利要求 1所述的可缓冲关盖的垃圾桶，其特征在于，桶盖行程感知 器 （1 ) 可以是一种对桶盖的关闭行程直接进行感应并传感的行程传感器， 也可以是 一种对桶盖的关闭时间进行直接感应或设定再换算成桶盖关闭行程的延时开关。
7. 根据权利要求 6所述的可缓冲关盖的垃圾桶，其特征在于，行程传感器或 者由行程开关和凸轮组成， 或者是一种由磁控开关 （11 )和磁铁组成的磁一电行程传 感器， 或者是一种由光控开关组成的光一电行程传感器。
8. 根据权利要求 1所述的可缓冲关盖的垃圾桶，其特征在于，桶盖行程传感 及控制器中还包括一种取样电路、 基准电路 （5 ) 和比较电路. 6)， 取样电路和基准 电路 （5)分别与比较电路 （6)连接， 比较电路（6)输出端与电机关断电路 （2)控 制端连接，取样电路（6 )或者由行程传感器组成，或者由行程传感器和计数装置（12)。
9. 根据权利要求 8所述的可缓冲关盖的垃圾桶，其特征在于，计数装置（12)， 基准电路（5)和比较电路 （6)均可以包含在型号为 CF745的 IC3芯片中。
10. 根据权利要求 1所述的可缓冲关盖的垃圾桶，其特征在于，桶盖行程感知 器（1 )触发点所感应的桶盖行程大于 1/2桶盖盖合过程的全行程。
11. 根据权利要求 10所述的可缓冲关盖的垃圾桶， 其特征在于， 桶盖行程感 知器 （1 )触发点所感应的桶盖行程为 90%— 70%桶盖盖合过程的全行程。
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US20070272691A1 (en) 2007-11-29
US20090321445A1 (en) 2009-12-31
CN2765882Y (zh) 2006-03-22
US7598693B2 (en) 2009-10-06
EP1847483A4 (en) 2015-01-07
EP1847483A1 (en) 2007-10-24
US7952307B2 (en) 2011-05-31

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