WO2015089697A1 - 用于助听器的消毒装置 - Google Patents

用于助听器的消毒装置 Download PDF

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Publication number
WO2015089697A1
WO2015089697A1 PCT/CN2013/089494 CN2013089494W WO2015089697A1 WO 2015089697 A1 WO2015089697 A1 WO 2015089697A1 CN 2013089494 W CN2013089494 W CN 2013089494W WO 2015089697 A1 WO2015089697 A1 WO 2015089697A1
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WO
WIPO (PCT)
Prior art keywords
hearing aid
housing
ultraviolet light
aid according
temperature
Prior art date
Application number
PCT/CN2013/089494
Other languages
English (en)
French (fr)
Inventor
徐炜
徐斌
吴秋麒
Original Assignee
苏州立人听力器材有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 苏州立人听力器材有限公司 filed Critical 苏州立人听力器材有限公司
Priority to PCT/CN2013/089494 priority Critical patent/WO2015089697A1/zh
Publication of WO2015089697A1 publication Critical patent/WO2015089697A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/21—Pharmaceuticals, e.g. medicaments, artificial body parts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/17—Hearing device specific tools used for storing or handling hearing devices or parts thereof, e.g. placement in the ear, replacement of cerumen barriers, repair, cleaning hearing devices

Definitions

  • the present invention relates to a disinfecting device, and more particularly to a disinfecting device for a hearing aid.
  • Hearing aids are a tool that helps hearing-impaired people improve their hearing impairments and improve their ability to communicate with others. Most of the people wearing hearing aids are elderly people and people with disabilities. They are weak and have poor resistance. The hearing aids are used for a long time in the ear. Because they are contaminated with sweat and earwax, they are prone to bacteria and viruses. Health, therefore, it is extremely important to improve their health. Utility model content
  • the invention overcomes the deficiencies of the prior art and provides a disinfecting device for a hearing aid with thorough disinfection, stable thermostatic process, small temperature fluctuation, and high temperature control precision.
  • a disinfecting device for a hearing aid comprising a casing, a casing cover that is open-closed and connected to the casing, and the casing cover and the casing form a shelter
  • the receiving cavity of the hearing aid, the housing is provided with at least one ultraviolet light tube and a safety switch, and the ultraviolet light tube emits ultraviolet light having a wavelength of 200-280 dishes, and the safety switch is realized by opening and closing of the cover Turn on or off.
  • the sterilizing device for the hearing aid further comprises a specularly reflective layer on at least one inner wall of the receiving cavity.
  • the sterilizing apparatus for the hearing aid further comprises the mirror reflective layer being a lens, a metal mirror patch, a reflective film or a plating layer.
  • the sterilizing apparatus for the hearing aid further includes the specular reflective layer disposed on an inner wall of the receiving cavity opposite the ultraviolet light pipe.
  • the sterilizing apparatus for the hearing aid further includes the specular reflection layer disposed on an inner wall of the cover.
  • the sterilization device for the hearing aid further comprises the safety switch being a Hall switch.
  • the sterilization device for the hearing aid further includes the safety switch being a pressure switch.
  • the sterilizing apparatus for the hearing aid further includes a drying device disposed in the housing, the drying device including a power supply circuit electrically connected to each other, a heat generating component, and a temperature collecting circuit.
  • the sterilization device for the hearing aid further comprises the power circuit comprising a USB port.
  • the sterilization apparatus for the hearing aid further comprises the temperature acquisition circuit comprising a plurality of temperature sensors.
  • the invention solves the defects existing in the background art, and the invention adopts the close-range high-intensity illumination of ultraviolet light, and the specular reflection layer provided at the same time enables the ultraviolet light to directly radiate and reflect to the hearing aid, thereby enhancing the irradiation intensity of the ultraviolet light and expanding
  • the safety switch can prevent ultraviolet light from burning the eyes and skin, and ensure the safety of the user.
  • the present invention adopts a plurality of patch PTC thermistors, a dense array layout, and generates hot spots and dense Fine, no dead angle, uniform heat generation, fast heating, and retains the advantages of PTC automatic temperature adjustment, good thermal insulation effect, strong drying effect on hearing aids, using single-chip control technology to achieve sub-area, time-segment alternate, cross Intelligent heating is applied.
  • the whole process always maintains the heating element heating and heating, and the residual heat is continuously added to achieve thermal dynamic balance. Therefore, the constant temperature process is stable, the temperature fluctuation is small, the temperature control precision is high, and the real constant temperature is realized, and the whole machine is realized. High reliability, can also overcome winter and summer two Extreme temperature, the temperature difference is too big and can not take into account the whole insulation deficiencies.
  • Figure 1 is a schematic view showing the structure of a preferred embodiment of the present invention
  • Figure 2 is an internal front view of a preferred embodiment of the present invention
  • Figure 3 is a schematic view showing the structure of a heat generating element according to a preferred embodiment of the present invention.
  • FIG. 4 is a circuit diagram of a drying apparatus in accordance with a preferred embodiment of the present invention.
  • Figure 5 is an internal front view of another embodiment of the present invention.
  • a sterilizing device for a hearing aid comprises a housing 2 and a cover 4 which is open-closed to the housing 2.
  • the cover 4 can be transparent, and the cover 4 and the housing 2 are Forming a receiving cavity 6 for accommodating the hearing aid, the housing 2 is provided with at least one ultraviolet light pipe 8 and a safety switch 10, and the ultraviolet light pipe 8 emits ultraviolet light having a wavelength of 200-280 nm, and the safety switch 10 is realized by opening and closing of the cover 4 Turn on or off.
  • Ultraviolet light with a wavelength of 200-280n m can disinfect the hearing aid. Especially the ultraviolet light with a center wavelength of 254nm is easily absorbed by the organism, acting on the DNA and RNA of the organism, causing it to be destroyed and causing bacteria and viruses. Death, high-intensity ultraviolet light can be sterilized in a short time, the bacteria propagule can be killed in only 1 second, ultraviolet light close-range high-intensity irradiation, can kill bacterial spores on the surface of the object 99.9% Above, and has a very strong sterilization effect on any bacteria and viruses.
  • the safety switch 10 is designed to prevent ultraviolet light from burning the eyes and skin and to fully protect the user's safety.
  • the specularly reflective layer 12 can be a lens, a metal mirror patch, a reflective film or a plated layer, the lens can be a glass mirror; and the metal mirror patch can be a stainless steel plate.
  • the specular reflection layer 12 is provided on the inner wall of the housing chamber 6 opposite to the ultraviolet light tube 8.
  • the specular reflection layer 12 is provided on the inner wall of the cover 4 to increase the irradiation intensity and irradiation range of the ultraviolet light.
  • the safety switch 10 is a Hall switch, and a magnet 14 can be disposed on the inner wall of the cover 4, and the magnet 14 is adjacent to the safety switch 10 when the cover 4 is closed.
  • the safety switch 10 cuts off the ultraviolet tube 8.
  • the power supply and the ultraviolet tube 8 are extinguished, thereby fully protecting the safety of the user and avoid burning the eyes and skin.
  • the safety switch 10 is not limited to the Hall switch, and may also be a pressure switch.
  • the pressure switch can be disposed in the housing, and the pressure switch is contacted when the cover 4 is closed. When the cover 4 is opened, the pressure disappears and there is a pressure change. Turning on or off the ultraviolet light tube 8.
  • a drying device may be disposed in the casing 2, and the drying device includes a power supply circuit 16, a main control circuit 18, a temperature collecting circuit 20, a keying circuit 22, a reset circuit 24, and Drying circuit 26.
  • the ultraviolet light pipe 8 and the safety switch 10 are connected to the power supply circuit 16 and the main control circuit 18.
  • the power circuit 16 is supplied with +5V DC power from the adapter for powering each circuit. It includes a USB port for easy access to +5V from a computer or mobile phone charger.
  • Diode VD acts as a polarity protector and C1 is a filter capacitor.
  • the anode of the diode VD is connected to the power pin of the USB port, the cathode of the diode VD is connected to the anode of the filter capacitor C1, and the cathode of the filter capacitor C1 is connected to the ground pin of the USB port.
  • the main control circuit 18 uses the ATmega8 microcontroller U1 as the master MCU and the 12 ⁇ z crystal oscillator G to meet the control speed and real-time performance.
  • the temperature acquisition circuit 20 includes a plurality of temperature sensors, preferably the model number DS 18B20, which is ST1-STn.
  • STl-STn's power supply pin GND is connected together, and the power input terminal Vcc is connected together.
  • the digital signal input and output terminals DQ are connected together and connected to the PD2 port of the single chip U1.
  • Only one port line can be used for two-way communication between DS 18B20 and single-chip U1, and multiple DS 18B20 temperature sensors can be connected on one bus to realize multi-point network temperature measurement and high temperature measurement accuracy. In the actual application, no external components are required, and A/D conversion is not required, and the digital temperature signal can be directly output.
  • DS 18B20 temperature sensor is not limited to two temperature measuring points, and three, four, etc. may be set.
  • the keying circuit 22 includes SB1, SB1 - key multifunction. Press once, timing 2h, can be heated continuously for 2 hours; press twice, timing 4h, can be heated continuously for 4h; press three times, timing 6h, can be heated continuously for 6 hours. Set three times to one cycle, press the fourth time to enter the next cycle, press the fourth time as the timing 2h, press the fifth time as the timing 4h, press the sixth time as the timing 6h, and so on. Press and hold SB1 to set the cancel and shut down.
  • the reset circuit 24 includes C2 and R1, and the system is automatically reset upon power-on. At the beginning of power-on, just when the Vcc power supply is turned on, since the voltage on the capacitor C2 cannot be abrupt, the C2 voltage is equivalent to a short circuit at the instant of power-on, and the voltage of the Vcc power supply falls on R1.
  • the PC6/RST port of U can reset the microcontroller as long as it meets the high level applied to RST for 24 oscillation cycles.
  • the drying circuit 26 comprises at least two sets of independently operating heating elements Rfz l-Rfzn, at least two transistors VTl-VTn, a plurality of heating elements of each group of heating elements being connected in parallel, n being a positive integer greater than or equal to 2, each set of heat One end of the parallel connection of the components is connected to the +5V DC power supply, and the other end is connected to the emitter of the corresponding triode.
  • the base of each triode is connected to the main control circuit 18, and the collector is connected to the ground.
  • the drying circuit 26 of the embodiment comprises three sets of independently operating heating elements, three triodes VT1, VT2, VT3 respectively connected to the three sets of heating elements, and three sets of heating elements are applied to the PCB board 28 in the housing 2.
  • the three sets of heating elements are arranged on the PCB board 28 at intervals, and each set of heating elements is evenly distributed.
  • a partition 32 with a venting hole 30 may be disposed above the three sets of heating elements, the heating element The hot air emitted by the pieces can be moved up along the venting holes 30, and the hearing aids are placed on the partition 32 to be dried.
  • the three sets of heating elements respectively comprise three groups A, B, and C. As shown in FIG.
  • the group A heating elements include five Rfzl
  • the group B heating elements include eight Rf z2
  • the group C heating elements include twelve Rfz3, 5
  • One Rfzl is connected in parallel with the +5V DC power supply, the other end is connected to the emitter of the triode VT1, the other end of the Rfz2 is connected in parallel with the +5V DC power supply, and the other end is connected to the emitter of the triode VT2 in parallel with the 12 Rfz3. It is connected to the +5V DC power supply, and the other end is connected to the emitter of the triode VT3.
  • the bases of the triodes VT1, VT2, and VT3 are respectively connected to the PB1 port, the PB2 port, and the PB3 port of the single chip U1, and the collectors of the triodes VT VT2 and VT3 are respectively Connected to the ground.
  • the drying circuit 26 is provided with three heating zones, and the single-chip microcomputer issues commands to realize sub-period, sub-section alternate, crossover, superimposed heating, thereby keeping the temperature of the disinfecting device constant.
  • the single-chip microcomputer U1 issues a command, PB1 port, PB2 port, PB3 port low level makes the triode VT1, VT2, VT3 turn on, Rfzl, Rfz2, Rfz3 get electric heating; PB1 port, PB2 port, PB3 port high level, triode VT1, VT2, VT3 cut off, Rfz l, Rfz2, Rfz3 lose power and stop heating.
  • Rfzl, Rf z2, and Rfz3 all use SMD PTC linear thermistors, dense array layout, hot spots, dense, thin, wide distribution, no dead angle, uniform heating, fast heating, due to patch
  • the linear thermistor is made of PTC material with a positive temperature coefficient. When the thermistor is heated by current, the temperature rises, the resistance increases correspondingly, the current passing through is correspondingly reduced, and the heat generation is correspondingly reduced. It is lowered in a constant state and has the property of automatically regulating the temperature.
  • the sub-area divides the arrangement position of the heating elements into a plurality of areas; the time division divides the entire heating and drying process into several time periods.
  • timing 4h three areas, three time periods as an example:
  • the sterilizing device starts to work at a fixed time until the temperature rises to the upper limit of the set temperature.
  • the temperature rising process takes 20 minutes.
  • the first time period of insulation is between 1 hour and 12 hours after the first working period;
  • the second holding period is between 2 hours after the first holding period and the second working period;
  • the third holding period is after the second holding period to the end of the timing.
  • 2 is a schematic diagram of the division of the three regions of the embodiment: the A region has five heating elements Rfz l , There are eight heating elements Rfz2 in the B region, and twelve heating elements Rfz3 in the C region.
  • the above arrangement is based on the principle that the heating elements are evenly distributed and the heat is uniform.
  • the heating element in zone A is at least because the A zone works during the first period of heat preservation, and the residual heat is the largest.
  • Sub-regional, sub-period alternating, crossover, superheating is a brand new intelligent heating.
  • Ultraviolet light tube 8 electronic ballast AP1, triode VT form disinfection circuit 34, controlled by PC3 port of single chip U1.
  • the electronic ballast API illuminates the UV tube 8, and emits ultraviolet light for direct sterilization.
  • the safety switch 10 outputs a signal to the PD3 port of the single chip U1 through the inverter IC to turn on or off the power supply of the ultraviolet light pipe 8.
  • the display circuit 36 and the battery detecting circuit 38 may be provided.
  • the display circuit 36 uses a dot matrix liquid crystal module LCD to display characters, symbols and graphics.
  • the battery detection circuit 38 uses the analog-to-digital converter ADC inside the ATmega8 microcontroller U1 to detect the level of the battery voltage to determine whether the battery is good or bad.
  • the ATmegaS microcontroller provides a 6-channel successive approximation ADC.
  • the four channels of ADC0-ADC3 provide 10-bit conversion accuracy.
  • the ADC4 and ADC5 channels only provide 8-bit conversion accuracy.
  • This circuit uses ADC0 to detect the level of the voltage.
  • the battery is placed in the detecting recess 40 of the housing 2, and is pushed into contact with the pole piece (not shown) in the detecting groove 40.
  • the pole piece has a positive electrode, a negative electrode, and a pole piece.
  • the positive pole is connected to the PC0 port of the single-chip microcomputer U, and the negative pole is grounded, so that the battery is good or bad.
  • the test results are displayed by the LCD in graphics and text. There are 4 states: When the battery graphic is a space, the text indicates that the battery is invalid; when the battery graphic has a grid, the text indicates underpower; When the battery pattern has two grids, the text indicates that the battery is low. When the battery level is three grids, the text indicates that the battery is fully charged.
  • the hearing aid is placed on the partition 32, the power is turned on, the system is automatically reset by power-on, and initialization is performed. Continuously press the SB1 timer time selection button 2 times, the timer starts, the LCD display timing time 4h, the timing start time XX: XX and the instant time XX: XX increments by second.
  • the DS18B20 temperature sensor collects the temperature data and transmits the data from the bus to the single-chip U1 via the single-chip U1. Compared with the preset temperature, the result is far below the lower threshold, and the priority program is started.
  • the PB1 port, PB2 port and PB3 output of the MCU are low.
  • the single-chip microcomputer U issues a command, and the PB2 port and the PB3 port output a high-level shutdown drying circuit 26 B heating zone and C heating zone.
  • the whole machine enters the first holding period, and only the A heating zone performs compensation heating to keep the temperature constant.
  • the single-chip microcomputer PB1 port output high level shutdown A heating zone, PB3 port output low level open C heating zone heating and insulation.
  • the single-chip microcomputer PB3 port output high-level shutdown C heating zone, PB1 port, PB2 port output low level open A heating zone and B heating zone supplement heating until the end of 4h.
  • the secondary sterilization and disinfection are set in the whole process of heating, and the work is automatically started when entering the first holding period and the second holding period respectively, and the ultraviolet light tube 8 emits ultraviolet light having a wavelength of 200-280 nm, and the generated ultraviolet light can be generated.
  • the specular reflection layer 12 directly radiates and reflects to the hearing aid, and has a large irradiation intensity and a large irradiation range, and is completely sterilized and disinfected, and is automatically extinguished every ten minutes.
  • the safety switch 10 transmits a signal to the single-chip UL, and the single-chip U1 is turned into an emergency interrupt program to cut off the power of the ultraviolet light pipe 8, and the ultraviolet light pipe 8 is turned off, thereby fully protecting the safety of the user.
  • the original heat preservation program will be automatically interrupted and the supplementary heating program will be preferentially entered.
  • the priority supplementary heating program will be automatically exited to resume the heat preservation process.
  • the insulation program will be interrupted. First enter the emergency program to cut off the power supply of the heating element. When the temperature drops to the preset temperature, it will automatically exit the emergency program to resume the insulation process.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

一种用于助听器的消毒装置，包括壳体（2）、与所述壳体（2）开合连接的壳盖（4），所述壳盖（4）与所述壳体（2）形成收容所述助听器的收容腔（6），所述壳体（2）内设有至少一个紫外光管（8）以及安全开关（10），紫外光管（8）发出波长为200—280nm的紫外光，所述安全开关（10）由所述壳盖（4）的开合实现导通或切断。通过紫外光的近距离高强度照射，同时设置的镜面反射层（12）使得紫外光可直接辐射和反射至助听器，增强了紫外光的辐照强度和范围，具有超强、彻底的杀菌消毒功效。

Description

用于助听器的消毒装置
技术领域
本发明涉及一种消毒装置， 尤其涉及一种用于助听器的消毒装置。
背景技术
助听器是一个有助于听力残疾者改善听觉障碍， 进而提高与他人会话交际 能力的工具。 佩戴助听器的族群中， 大多为年迈之人和残障人士， 他们身体羸 弱、 抵抗力差， 而助听器被长期塞置在耳内使用， 由于沾染了汗液、 耳垢， 极 易滋生细菌、 病毒， 危害人们的健康， 因此， 改善他们的卫生状况极为重要。 实用新型内容
本发明克服了现有技术的不足， 提供一种消毒彻底、 恒温过程平稳、 温度 起伏小、 控温精度高的用于助听器的消毒装置。
为达到上述目的， 本发明采用的技术方案为： 一种用于助听器的消毒装置， 包括壳体、 与所述壳体开合连接的壳盖， 所述壳盖与所述壳体形成收容所述助 听器的收容腔， 所述壳体内设有至少一个紫外光管以及安全开关， 所述紫外光 管发出波长为 200-280皿的紫外光， 所述安全开关由所述壳盖的开合实现导通 或切断。
本发明一个较佳实施例中， 用于助听器的消毒装置进一步包括所述收容腔 的至少一个内壁上设有镜面反射层。
本发明一个较佳实施例中， 用于助听器的消毒装置进一步包括所述镜面反 射层为镜片、 金属镜面贴片、 反光膜或电镀层。
本发明一个较佳实施例中， 用于助听器的消毒装置进一步包括所述镜面反 射层设在与所述紫外光管对面的所述收容腔的内壁上。
本发明一个较佳实施例中， 用于助听器的消毒装置进一步包括所述镜面反 射层设在所述壳盖的内壁上。 本发明一个较佳实施例中， 用于助听器的消毒装置进一步包括所述安全开 关为霍尔开关。
本发明一个较佳实施例中， 用于助听器的消毒装置进一步包括所述安全开 关为压力开关。
本发明一个较佳实施例中， 用于助听器的消毒装置进一步包括所述壳体内 设有干燥装置， 所述干燥装置包括相互电连接的电源电路、 发热元件和温度采 集电路。
本发明一个较佳实施例中， 用于助听器的消毒装置进一步包括所述电源电 路包括 USB端口。
本发明一个较佳实施例中， 用于助听器的消毒装置进一步包括所述温度采 集电路包括多个温度传感器。
本发明解决了背景技术中存在的缺陷， 本发明通过紫外光的近距离高强度 照射， 同时设置的镜面反射层使得紫外光可直接辐射和反射至助听器， 增强了 紫外光的辐照强度， 扩大了紫外光的照射范围， 安全开关可避免紫外光灼伤眼 睛和皮肤， 确保使用者的安全， 另外， 本发明通过采用多个贴片式 PTC热敏电 阻， 密集型阵列布局， 发热点多、 密、 细， 不存在死角， 具有发热均匀、 升温 快的特点， 而且保留了 PTC 自动调节温度的优点， 保温效果好， 对助听器的干 燥作用强， 运用单片机控制技术实现分区域、 分时段交替、 交叉、 迭加智能加 热， 整个过程始终保持有发热元件通电加热， 不断补充失散的热量达到热动态 平衡， 因此恒温过程平稳， 温度起伏小、 控温精度高， 实现了真正的恒温， 而 且整机的可靠性高， 还可以克服冬夏两季温度极致、 温差太大以及整机保温性 能不能兼顾的不足。
附图说明
下面结合附图和实施例对本发明进一步说明。 图 1是本发明的优选实施例的结构示意图；
图 2是本发明的优选实施例的内部主视图；
图 3是本发明的优选实施例的发热元件分布的结构示意图；
图 4是本发明的优选实施例的干燥装置的电路图；
图 5是本发明的另一实施例的内部主视图；
图中： 2、 壳体， 4、 壳盖， 6、 收容腔， 8、 紫外光管， 10、 安全开关， 12、 镜面反射层， 14、 磁铁， 16、 电源电路， 18、 主控电路， 20、 温度采集电路， 22、 键控电路， 24、 复位电路， 26、 干燥电路， 28、 PCB板， 30、 透气孔， 32、 隔板， 34、 消毒电路， 36、 显示电路， 38、 电池检测电路， 40、 检测凹槽。 具体实施方式
现在结合附图和实施例对本发明作进一步详细的说明， 这些附图均为简化 的示意图， 仅以示意方式说明本发明的基本结构， 因此其仅显示与本发明有关 的构成。
如图 1、 图 2所示， 一种用于助听器的消毒装置， 包括壳体 2、 与壳体 2开 合连接的壳盖 4， 壳盖 4可以为透明的， 壳盖 4与壳体 2形成收容助听器的收容 腔 6， 壳体 2内设有至少一个紫外光管 8以及安全开关 10， 紫外光管 8发出波 长为 200-280nm的紫外光， 安全开关 10由壳盖 4的开合实现导通或切断。
波长为 200-280nm的紫外光能够对助听器进行消毒杀菌， 尤其是中心波长 为 254nm的紫外光很容易被生物体吸收， 作用于生物体的 DNA和 RNA, 使之被破 坏而导致细菌、 病毒死亡， 高强度的紫外光在短时间内即可杀菌， 对细菌繁殖 体仅需 1秒即可杀灭， 紫外光近距离高强度照射， 可将物体表面上的细菌芽孢 杀灭 99. 9%以上， 而且对任何细菌、病毒都有极强极高的杀菌消毒作用。 安全开 关 10的设置能够避免紫外光灼伤眼睛和皮肤， 充分保护使用者的安全。
优选收容腔 6的至少一个内壁上设有镜面反射层 12， 紫外光可直接辐射和 反射至助听器， 提高了紫外光的辐照强度和辐照范围， 消毒杀菌效果好。 进一 步优选镜面反射层 12可以为镜片、 金属镜面贴片、 反光膜或电镀层， 镜片可以 是玻璃镜子； 金属镜面贴片可以是不锈钢板。
为了提高了紫外光的辐照强度和辐照范围， 优选镜面反射层 12设在与紫外 光管 8对面的收容腔 6的内壁上。 在另一实施例中， 如图 5所示， 镜面反射层 12设在壳盖 4的内壁上， 能够提高紫外光的辐照强度和辐照范围。
优选安全开关 10为霍尔开关， 可在壳盖 4的内壁上设置磁铁 14， 壳盖 4关 闭时磁铁 14紧邻安全开关 10， 在打开壳盖 4时， 安全开关 10会切断紫外光管 8的电源，紫外光管 8熄灭，从而充分保护使用者的安全，避免灼伤眼睛和皮肤。 安全开关 10并不局限于霍尔开关， 也可以为压力开关， 可将压力开关设在壳体 内，壳盖 4关闭时接触压力开关，壳盖 4打开时，压力消失，存在压力的改变， 实现对紫外光管 8的导通或切断。
如图 4所示， 为了抑制细菌的繁殖， 还可以在壳体 2内设有干燥装置， 干 燥装置包括电源电路 16、 主控电路 18、 温度采集电路 20、 键控电路 22、 复位 电路 24和干燥电路 26。优选紫外光管 8以及安全开关 10均与电源电路 16和主 控电路 18连接。
电源电路 16由适配器提供 +5V直流电源，供各电路用电。其包括 USB端口， 以方便就近从电脑或手机充电器获取 +5V电源。 二极管 VD起极性保护作用， C1 为滤波电容。 二极管 VD的正极与 USB端口的电源引脚连接， 二极管 VD的负极 与滤波电容 C1的正极连接， 滤波电容 C1的负极与 USB端口的接地引脚连接。
主控电路 18采用 ATmega8单片机 U1作主控 MCU， 12匪 z晶振 G以满足控制 速度及实时性。
温度采集电路 20包括多个温度传感器，优选温度传感器的型号为 DS 18B20 , 分别为 STl-STn。 STl-STn 的电源地脚 GND接在一起， 电源输入端 Vcc接在一起 且与电源电路 16提供的 +5V直流电源连接，数字信号输入输出端 DQ接在一起且 与单片机 U1的 PD2口连接。 DS 18B20与单片机 U1之间仅需一条口线即可双向通 信， 而且在一条总线上可挂接多个 DS 18B20温度传感器， 实现多点组网测温， 测温精度高。 实际应用中不需任何外部元器件， 也不需进行 A/D转换， 即可直 接输出数字温度信号。本实施例的电路中包括两个 DS18B20温度传感器 ST1、ST2， 此时 n=2，设置了两处测温点， 但并不局限于两处测温点， 也可以设置三个、 四 个等 DS 18B20温度传感器。
键控电路 22包括 SB1， SB1—键多功能。 按一次， 定时 2h， 可连续加热 2 小时； 按二次， 定时 4h， 可连续加热 4h; 按三次， 定时 6h， 可连续加热 6小时。 内设定三次为一循环周期， 按第四次进入下一个循环周期， 按第四次为定时 2h， 按第 5次为定时 4h， 按第 6次为定时 6h， 如此循环不断。 长按 SB1 , 则设置取 消， 关机。
复位电路 24包括 C2和 Rl， 系统上电自动复位。 刚开始上电时， 亦即刚一 接通 Vcc电源时， 由于电容 C2上的电压不能突变， 通电瞬间 C2相当于短路， Vcc电源的电压都落在 R1上， 此一高电平加在单片机 U的 PC6/RST口， 只要满 足加在 RST上的高电平能持续 24个振荡周期即可使单片机复位。
干燥电路 26包括至少两组独立工作的发热元件 Rfz l-Rfzn、 至少两个三极 管 VTl-VTn, 每组发热元件的多个发热元件并联连接， n为大于或等于 2的正整 数， 每组发热元件并联后的一端与 +5V直流电源连接， 另一端与对应的三极管的 发射极连接， 每个三极管的基极与主控电路 18连接， 集电极与地连接。 本实施 例优选干燥电路 26包括三组独立工作的发热元件、分别与三组发热元件连接的 三个三极管 VT1、 VT2、 VT3， 三组发热元件均敷贴在壳体 2内的 PCB板 28上， 三组发热元件间隔排布在 PCB板 28上， 每组发热元件均匀分布， 为了便于助听 器的加热，还可以在三组发热元件的上方设置有带透气孔 30的隔板 32， 发热元 件散发的热气可沿透气孔 30向上走， 助听器放置在隔板 32上被干燥。 优选三 组发热元件分别包括 A、 B、 C三组， 如图 3所示， A组发热元件包括 5个 Rfzl ， B组发热元件包括 8个 Rf z2 ， C组发热元件包括 12个 Rfz3， 5个 Rfzl并联后 一端与 +5V直流电源连接， 另一端与三极管 VT1的发射极连接， 8个 Rfz2并联 后一端与 +5V直流电源连接，另一端与三极管 VT2的发射极连接 12个 Rfz3并联 后一端与 +5V直流电源连接， 另一端与三极管 VT3的发射极连接， 三极管 VT1 、 VT2 、 VT3的基极分别与单片机 U1的 PB1口、 PB2口、 PB3口连接， 三极管 VT VT2 、 VT3的集电极均与地连接。 干燥电路 26设置 3个加热区， 由单片机发出 指令， 实现分时段、 分区段交替、 交叉、 迭加加热， 从而保持消毒装置的温度 恒定。单片机 U1发出指令， PB1口、 PB2口、 PB3口低电平使三极管 VT1 、 VT2 、 VT3导通， Rfzl 、 Rfz2 、 Rfz3得电发热； PB1口、 PB2口、 PB3口高电平时， 三极管 VT1 、VT2 、VT3截止， Rfz l 、 Rfz2 、 Rfz3失电停止发热。 Rfzl 、 Rf z2 、 Rfz3均采用贴片式 PTC线性热敏电阻， 密集型阵列式布局， 发热点多、密、细， 分布广不存在死角， 具有发热均匀、 升温快的特点， 由于贴片式线性热敏电阻 是由 PTC材料制成具有正温度系数， 当热敏电阻通过电流发热时温度升高， 其 电阻相应增大， 使通过的电流相应减小， 于是发热量也相应减小， 温度相应下 降而处于恒温状态， 具有自动调控温度的性能。
分区域是将发热元件的排列分布位置划分成若干个区域； 分时段则是将整 个加热干燥过程切割成若干个时段。
现以定时 4h、 三区域、 三时段为例说明：
消毒装置定时启动开始工作至升温到内设定温度上限为升温阶段， 此升温 过程需时 20分钟。 其后至定时工作 1小时之间为保温第一时段； 第一保温时段 后至定时工作 2小时之间为第二保温时段； 第二保温时段后至定时结束为第三 保温时段。图 2为本实施例的三区域的划分示意图: A区域有 5个发热元件 Rfz l , B区域有 8个发热元件 Rfz2， C区域有 12个发热元件 Rfz3。 以上安排是基于发 热元件均布、发热均匀的原则。 A区域的发热元件最少是因为 A区域工作在保温 第一时段， 余热最大。
分区域、 分时段交替、 交叉、 迭加加热是一种全新的智能加热。 区域、 时 段分的越细则加热温度越恒定， 同时， 区域、 时段的组合视需要可任意组合。
紫外光管 8、 电子镇流器 AP1、 三极管 VT形成消毒电路 34， 受控于单片机 U1的 PC3口。 PC3口高电平时， 电子镇流器 API点亮紫外光管 8， 发出紫外光直 接杀菌消毒。 安全开关 10通过反相器 IC输出信号给单片机 U1的 PD3口， 实现 对紫外光管 8的电源的导通或切断。
另外， 为了便于知道干燥定时时间和检测助听器的电量， 还可以设置显示 电路 36和电池检测电路 38。
显示电路 36采用点阵液晶模块 LCD , 可以显示文字、符号和图形。 A、 时间 显示： 定时设定时间， 分 2h、 4h、 6h; 定时启动时刻， 24小时制； 即时时间， 24小时制， 逐秒递增。 B、 温度显示： 即时温度。 C、 电量显示： 电池图形为空 格时， 文字显示电池失效； 电池图形有一格时， 文字显示欠电； 电池图形有二 格时， 文字显示电量不足； 电池电量为三格满格时， 文字显示电量充足；
电池检测电路 38利用 ATmega8单片机 U1内部的模数转换器 ADC检测电池 电压的高低来判断电池的好坏。单片机 ATmegaS提供 6路逐次逼近型的 ADC， 其 中， ADC0-ADC3这 4个通道提供了 10位的转换精度， ADC4、 ADC5两个通道只提 供 8位的转换精度。 本电路利用 ADC0检测电压的高低。 测试时， 只要将电池置 于壳体 2的检测凹槽 40内， 推紧使之与检测凹槽 40内的极片 （图中未示出） 接触良好， 极片具有正极、 负极， 极片的正极与单片机 U的 PC0口连接， 负极 接地， 即可知电池的好坏。 检测结果由 LCD以图形和文字显示， 分 4种状态： 电池图形为空格时， 文字显示电池失效； 电池图形有一格时， 文字显示欠电； 电池图形有二格时， 文字显示电量不足； 电池电量为三格满格时， 文字显示电 量充足。
工作过程- 助听器放置在隔板 32上， 接通电源， 系统上电自动复位， 进行初始化。 连 续按动 SB1定时时间选择按钮 2次， 定时启动， LCD显示定时时间 4h、 定时启 动时刻 XX： XX以及即时时间 XX： XX逐秒递增。 同时， DS18B20 温度传感器采集 温度数据并将数据从总线传送给单片机 U1经单片机 U1处理， 与预设温度比较， 结果远远低于下限阈值， 启动优先程序， 单片机 PB1口、 PB2口、 PB3输出低电 平， 驱动干燥电路 26所有加热区同时加热升温， 直至 DS18B20采集到的温度数 据已达到预设定温度上限阈值时， 单片机 U发出指令， PB2口、 PB3口输出高电 平关断干燥电路 26的 B加热区和 C加热区。 整机进入第一保温时段， 仅由 A加 热区进行补偿加热， 以保持温度恒定。 进入保温第二时段单片机 PB1 口输出高 电平关断 A加热区， PB3口输出低电平开通 C加热区加热保温。进入保温第三时 段单片机 PB3口输出高电平关断 C加热区， PB1口、 PB2口输出低电平开通 A加 热区和 B加热区补充加热直至定时 4h结束。 同时， 设定加热全过程中进行二次 杀菌消毒， 分别在进入第一保温时段和第二保温时段时自动启动工作， 紫外光 管 8发出波长为 200-280nm的紫外光， 产生的紫外光可经镜面反射层 12直接辐 射和反射至助听器， 辐照强度和辐照范围大， 杀菌消毒彻底， 每次十分钟后自 动熄灭。 另外， 在打开壳盖 4时， 安全开关 10会将信号传递至单片机 Ul， 单片 机 U1转入紧急中断程序切断紫外光管 8的电源， 紫外光管 8熄灭， 从而充分保 护使用者的安全。
在加热干燥过程中如果探测到低于预设定温度时， 会自动中断原有保温程 序而优先进入补充加热程序， 直至升温至预设定温度时， 自动退出优先补充加 热程序恢复继续保温程序。 当探测到高于预设定温度时， 会中断保温程序而优 先进入切断发热元件供电的紧急程序， 待温度降至预设定温度时会自动退出紧 急程序恢复继续保温程序。
以上依据本发明的理想实施例为启示， 通过上述的说明内容， 相关人员完 全可以在不偏离本项实用新型技术思想的范围内， 进行多样的变更以及修改。 本项实用新型的技术性范围并不局限于说明书上的内容， 必须要根据权利要求 范围来确定技术性范围。

Claims

权 利 要 求 书
1. 一种用于助听器的消毒装置， 包括壳体、 与所述壳体开合连接的壳盖， 所述壳盖与所述壳体形成收容所述助听器的收容腔， 其特征在于： 所述壳体内 设有至少一个紫外光管以及安全开关， 所述紫外光管发出波长为 200-280nm的 紫外光， 所述安全开关由所述壳盖的开合实现导通或切断。
2. 根据权利要求 1所述的用于助听器的消毒装置， 其特征在于： 所述收容 腔的至少一个内壁上设有镜面反射层。
3. 根据权利要求 2所述的用于助听器的消毒装置， 其特征在于： 所述镜面 反射层为镜片、 金属镜面贴片、 反光膜或电镀层。
4. 根据权利要求 2或 3所述的用于助听器的消毒装置， 其特征在于： 所述 镜面反射层设在与所述紫外光管对面的所述收容腔的内壁上。
5. 根据权利要求 2或 3所述的用于助听器的消毒装置， 其特征在于： 所述 镜面反射层设在所述壳盖的内壁上。
6. 根据权利要求 1所述的用于助听器的消毒装置， 其特征在于： 所述安全 开关为霍尔开关。
7. 根据权利要求 1所述的用于助听器的消毒装置， 其特征在于： 所述安全 开关为压力开关。
8. 根据权利要求 1或 2所述的用于助听器的消毒装置， 其特征在于： 所述 壳体内设有干燥装置， 所述干燥装置包括相互电连接的电源电路、 发热元件和 温度采集电路。
9. 根据权利要求 8所述的用于助听器的消毒装置， 其特征在于： 所述电源 电路包括 USB端口。
10. 根据权利要求 8所述的用于助听器的消毒装置， 其特征在于： 所述温 度采集电路包括多个温度传感器。
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