CN101087544B - 小型电子设备的可更换的配件和确定配件使用寿命的方法 - Google Patents
小型电子设备的可更换的配件和确定配件使用寿命的方法 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/221—Control arrangements therefor
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
- A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
- A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
- A46B15/0004—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means
- A46B15/001—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means with means indicating the remaining useful life of brush
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/1066—Toothbrush for cleaning the teeth or dentures
Abstract
本发明涉及一种小型电子设备的配件，例如电动牙刷的套式刷头或者电动剃须刀的剪刀件，该配件包括数据存储器和发射机应答器。配件此外还包括电子电路，如果接收到相应信号则总会改变数据存储器内存储的数值。此外还描述了确定配件使用寿命终止的一种方法。
Description
技术领域
本发明涉及一种小型电子设备的时而更换的配件，例如电动牙刷的套式刷头或者电动剃须刀的剪刀件，以及用于确定配件使用寿命或者确定配件使用寿命终止(磨损极限)的一种方法。
背景技术
由WO03/054771A1熟知一种电动牙刷，由手柄和可更换的套式刷头构成。在套式刷头内存在着存储器，套式刷头的识别信息存储于该存储器内。此外套式刷头内还具有发射机应答器，如果该发射机应答器获得请求站点发出的请求信号，则该发射机应答器将存储于存储器内的信息输出。在手柄内存在着微控制器，该微控制器计算被识别的套式刷头积累的使用寿命并且存入套式刷头的存储器内。此外手柄还包括显示屏，以该显示屏可以显示套式刷头的更换必要。
由DE10247698A1熟知一种电动牙刷，该牙刷由把柄元件和可更换的鬃刷头组成。把柄元件带有显示器，该显示器显示了鬃刷头的使用终止。
发明内容
本发明的目的是，为小型电子设备提供一种配件，使配件使用寿命的简单确定成为可能，以及用于配件使用寿命确定的一种简单方法。
本发明目的是通过以下配件实现的，该配件包括数据存储器，发射机应答器和电子电路，该电子电路如果接收到小型电子设备发出的相应信号则总会改变数据存储器内存储的数值。数据存储器内存储的数值例如为计数器读数，该读数例如相当于配件的累积使用寿命。如果从配件确定的最大使用寿命出发，则可以存储相关于最大使用寿命的剩余使用寿命，使用寿命的终止或者相对使用寿命。
该类型的配件具有以下优点，使用寿命存储于自身配件内，就是说，小型电子设备不必在不同的配件间分别分配配件的使用寿命。这个优点对于电动牙刷尤其重要，因为该牙刷手柄被多个家庭成员使用，其中各个家庭成员使用自己的套式刷头，或者一个手柄驱动不同的套式刷头，例如清洁刷或者按摩刷。
与配件共同工作的小型电子设备优选包括自己认知的发送和接收装置，以该装置发送请求信号并且接收由配件的发射机应答器反送回来的信号。以该方式可以改变，读出例如存储于配件存储器的数据和/或将该数据显示到显示装置。小型电子设备与配件间的数据传输例如可以通过高频信号实现，优选为感应传输。对于自身没有供电系统的配件，发射机应答器和电子电路的供电电压由小型电子设备产生的高频区赢得。
本发明配件的一尤其简单的实施例中，如果配件达到小型电子设备的发射区内，就是说耦合于小型电子设备，或者如果启动带有耦合配件的小型电子设备，则简单地以在发射机应答器内形成的供电电压作为用于改变存储数值的信号。以该方式可以获得一种简单的使用计数器，该计数器记录使用的次数。
本发明配件的另一实施例中，以小型电子设备工作过程中发送的例如以秒为时钟的信号作为改变存储数值的信号。以该方式可以提供一种简单的使用计数器，该计数器准确以秒记录配件的工作时间。
本发明配件的一优选实施例中，配件中的电子电路在每次小型电子设备开启之后或接收到相应信号之后，将数据存储器内存储的计数器读数向上加一步，直到达到最大值。计数器读数也可以由给定的数值向下计算。配件使用寿命的终止可以通过计数器读数达到NULL来识别。各个计数器读数由发射机应答器传输到小型电子设备。计数器读数至少双重存储于配件内，就是说存储在两个存储单元内。
在数据存储器存储数值的每次改变时，电子电路必须将数据存储器的当前值读出，改变该值并将该值存回数据存储器。优选地采用非易失性存储器，例如EEPROM。在EEPROM上，一个存储单元的写入要持续几个微秒，其中在新存储前首先将存储单元的所有位设置为NULL。如果供电系统，例如产生电子电路能量的高频区正好这时发生故障，则存储过程被迫中断。这会造成无意义的数值被存入存储器或者存储内容丢失。
作为高频区故障的原因主要可考虑，用户又将小型电子设备关闭或者更换配件并由此使其远离小型电子设备，或者小型电子设备的充电电池或者电池电能耗尽或者为高频区的构成输送了太小的电压。当数据存储器被写入时，高频区正好在这个较短时间段出现故障的可能性很小。然而配件被经常使用，则会提升数据存储器的存储内容损失为干扰值的可能性。
用于确定配件使用寿命或者使用寿命终止的根据发明的方法基于以下基本构思：使用计数器的计数器读数必须时刻存储于非易失性数据存储器内。只有这样才能保证，计数器读数能够不丢失。因此数据存储器包括至少两个存储单元，其中分别存储了一个计数器读数。一种合适的数据存储器例如是EEPROM。在未使用的配件中，两个存储单元内例如为最大值或者NULL。此外在每个存储单元内还存储了标识，电子电路根据该标识能够识别存储单元内是否有正确的或者有意义的值。该标识例如可以通过一个附加位来实现，该附加位以其被熟知的方式分别与计数器读数共同存储在存储单元内。如果要改变一个存储单元内的有意义的数值，如果能够确保在另一个存储单元也能够找到一个有意义的数值，则才将该有意义的数值以改变的数值复写。
根据发明的方法会根据以下实施例解释，其流程图显示于附图中。
在发射机应答器向电子电路输送相应信号即至少一个供电电压之后，电子电路将第一和第二存储单元的计数器读数读出，并根据标识确定，第一存储单元内是否存在有意义的数值。如果是的，则将第一存储单元的计数器读数存入临时存储器并向下计数例如1。然后将被减的计数器读数首先存入第二存储单元然后再存入第一存储单元。然而如果在第一存储单元没有有意义的数据存在，则将第二存储单元的计数器读数读入临时存储器并向下计数1。然后将被减的计数器读数首先存入第一存储单元然后存入第二存储单元。之后将新的计数器读数由发射机应答器传输到小型电子设备。该方法过程确保了假如在方法过程的开始在两个存储单元之一存有有意义的数值，则到最后有意义的数值存储于两个存储器内。如果在方法过程中，配件供电系统出现故障，则至少在两个存储器单元之一内仍存有有意义的数值。
小型电子设备可以将接收的新计数器读数显示于显示装置，该显示装置例如显示在配件必须被更换之前剩余的使用次数或者如果计数器读数NULL被传输后，才激活显示装置并由此可知配件被磨损而应该更换。
Claims (9)
1.用于小型电子设备的配件，具有数据存储器和发射机应答器，其中所述配件进一步包括电子电路，该电子电路每次从所述小型电子设备接收到相应的信号时改变数据存储器内存储的数值，其中所述配件不具有其自身的供电系统，并且当所述配件达到所述小型电子设备的发射区内时，用于改变存储的数值的所述信号是在所述发射机应答器中建立的供电电压，其中所述供电电压由所述小型电子设备产生的高频区获得。
2.根据权利要求1所述的配件，其特征是，所述配件是电动牙刷的套式刷头或者电动剃须刀的剪刀件。
3.根据权利要求1所述的配件，其特征是，数据存储器内存储的数值是对应于配件使用寿命的计数器读数。
4.根据权利要求3所述的配件，其特征是，在每次开启之后或每次接收相应信号之后，电子电路会将计数器读数向上或者向下计算一步，只要还没有达到最大或者最小数值。
5.根据权利要求1或者4所述的配件，其特征是，电子电路将改变的数值存储入数据存储器内。
6.根据权利要求1至4之一所述的配件，其特征是，数据存储器为具有至少两个存储单元的EEPROM存储器，计数器读数能够至少双重存储于其中。
7.用于确定小型电子设备的配件使用寿命的方法，其中所述配件包括数据存储器和发射机应答器，其中所述配件每次从所述小型电子设备接收到相应的信号时，数据存储器内存储的数值会改变，其中所述配件不具有其自身的供电系统，并且当所述配件达到所述小型电子设备的发射区内时，用于改变存储的数值的所述信号是在所述发射机应答器中建立的供电电压，其中所述供电电压由所述小型电子设备产生的高频区获得，其特征是，数据存储器内存储至少两个分别具有标识的数值，该数值对应于配件的使用寿命；根据标识能够获知两个存储的数值之一是否有意义；如果使用配件，则改变的数值将取代存储的数值，其中如果确定一个存储的数值有意义，才将另一存储的数值以改变的数值复写。
8.根据权利要求7的方法，其特征是，所述存储的数值从所述配件的电子电路传送至所述小型电子设备。
9.电动牙刷的套式刷头，其特征是，具有根据权利要求1至6之一构成的配件。
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| PCT/EP2005/013559 WO2006069644A1 (de) | 2004-12-23 | 2005-12-16 | Auswechselbares zubehörteil für ein elektrokleingerät und verfahren zum bestimmen der benutzungsdauer des zubehörteils |
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- 2005-12-16 CA CA2591798A patent/CA2591798C/en not_active Expired - Fee Related
- 2005-12-16 AT AT05819404T patent/ATE507740T1/de active
- 2005-12-16 DK DK05819404.4T patent/DK1827167T3/da active
- 2005-12-16 US US11/722,675 patent/US8218711B2/en active Active
- 2005-12-16 ES ES05819404T patent/ES2365720T3/es active Active
- 2005-12-16 DE DE502005011348T patent/DE502005011348D1/de active Active
- 2005-12-16 JP JP2007547296A patent/JP4976312B2/ja not_active Expired - Fee Related
- 2005-12-16 CN CN2005800445767A patent/CN101087544B/zh active Active
- 2005-12-16 EP EP05819404A patent/EP1827167B1/de active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| DE502005011348D1 (de) | 2011-06-16 |
| WO2006069644A1 (de) | 2006-07-06 |
| ATE507740T1 (de) | 2011-05-15 |
| US20110122987A1 (en) | 2011-05-26 |
| EP1827167B1 (de) | 2011-05-04 |
| CN101087544A (zh) | 2007-12-12 |
| CA2591798C (en) | 2015-09-08 |
| JP2008525067A (ja) | 2008-07-17 |
| JP4976312B2 (ja) | 2012-07-18 |
| US8218711B2 (en) | 2012-07-10 |
| DE102004062150A1 (de) | 2006-07-13 |
| CA2591798A1 (en) | 2006-07-06 |
| DK1827167T3 (da) | 2011-08-01 |
| ES2365720T3 (es) | 2011-10-10 |
| EP1827167A1 (de) | 2007-09-05 |
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