CN204334913U - For the maintenance structure of hearing aids - Google Patents

Abstract

The utility model relates to a kind of maintenance structure for hearing aids, comprise base, the housing be connected with base, base is provided with vacuum pump, vacuum pump comprises air inlet and gas outlet, housing is provided with drying chamber, sensitive switch, drying chamber comprises tank body, the cover be connected with described tank body folding, tank body is connected with air inlet, cover is fixed with at least one UVLED, at least one the 2nd UVLED, briquetting, one UVLED sends the ultraviolet light that centre wavelength is 254nm, 2nd UVLED sends the ultraviolet light that centre wavelength is 185nm, when cover covers, briquetting and sensitive switch arranged in a crossed manner.The utility model is under the double action of vacuum dehumidifying and heated at constant temperature, desiccant dehumidification that can be thorough fast, one UVLED and the 2nd UVLED has disinfection efficacy thoroughly, also can clean hearing aids light simultaneously, the briquetting steadiness that improve both contact arranged in a crossed manner with sensitive switch, the setting of mirror reflective plate improves irradiation intensity and the irradiation range of ultraviolet light, and Disinfection Effect is good.

Description

For the maintenance structure of hearing aids

Technical field

The utility model relates to a kind of maintenance structure for hearing aids.

Background technology

Hearing aids is the electronic product that a kind of precision is valuable, instructions for use is stricter, but daily wear in use procedure be very easily subject to sweat and moisture ooze erosion, cause the damage of the critical pieces such as microphone, receiver, chip, therefore hearing aids after using a period of time needs hearing aids to take off to dehumidify, to guarantee sensitivity and the useful life of hearing aids.The existing dehumidification mode to hearing aids is placed on by hearing aids in the container of built-in drier, and the fine debris of this drier can enter in hearing aids and cause it to block, and affects the normal use of hearing aids; In addition, hearing aids is plugged for a long time to be used in ear, and owing to being infected with sweat, earwax, very easily breed bacteria, virus, the health of harm people, therefore, the sanitary condition improving them is very important.

Utility model content

The utility model overcomes the deficiencies in the prior art, provides a kind of structure simply for the maintenance structure of hearing aids.

For achieving the above object, the technical solution adopted in the utility model is: a kind of maintenance structure for hearing aids, comprise base, the housing be connected with described base, described base is provided with vacuum pump, described vacuum pump comprises air inlet and gas outlet, described housing is provided with drying chamber, sensitive switch, described drying chamber comprises tank body, the cover be connected with described tank body folding, described tank body is connected with described air inlet, described cover is fixed with at least one UVLED, at least one the 2nd UVLED, briquetting, a described UVLED sends the ultraviolet light that centre wavelength is 254nm, described 2nd UVLED sends the ultraviolet light that centre wavelength is 185nm, when described cover covers, described briquetting and described sensitive switch arranged in a crossed manner.

In the utility model preferred embodiment, the maintenance structure for hearing aids comprises further and is also provided with heater, and described heater comprises the heater element, power circuit and the governor circuit that are electrically connected to each other, and described heater element is fixed on described tank body.

In the utility model preferred embodiment, the maintenance structure for hearing aids comprises further on described cover and is fixed with mirror reflective plate, and a described UVLED and the 2nd UVLED all partially passes through described mirror reflective plate.

In the utility model preferred embodiment, maintenance structure for hearing aids comprises further and is also provided with dust suction handle, air blowing handle and electromagnetically operated valve, described air inlet, tank body and dust suction handle are all connected with described electromagnetically operated valve, and described air blowing handle is connected with described gas outlet.

In the utility model preferred embodiment, the maintenance structure for hearing aids comprises further on described housing and is provided with relief valve, and described relief valve is connected with described air inlet.

In the utility model preferred embodiment, the maintenance structure for hearing aids comprises further in described tank body and is provided with dividing plate, and described dividing plate has multiple air-vent.

In the utility model preferred embodiment, the maintenance structure for hearing aids comprises further on described tank body and is arranged with anchor ear, and the upper end of described anchor ear abuts with described housing.

In the utility model preferred embodiment, the maintenance structure for hearing aids comprises further in described cover and is provided with sealing ring.

In the utility model preferred embodiment, the maintenance structure for hearing aids comprises further and also comprises humiture collection circuit, and described humiture collection circuit is connected with described governor circuit.

In the utility model preferred embodiment, the maintenance structure for hearing aids comprises further and also comprises air pressure testing circuit, and described air pressure testing circuit is connected with described governor circuit.

The utility model solves the defect existed in background technology, the utility model is under the double action of vacuum dehumidifying and heated at constant temperature, the moisture of hearing aids surface and deep layer can be made acutely to vaporize and overflow, desiccant dehumidification thorough fast, extend the useful life of hearing aids, one UVLED and the 2nd UVLED has superpower, disinfection efficacy thoroughly, can also realize cleaning the light of hearing aids simultaneously, do not make with medicament, environment friendly and pollution-free, the setting of mirror reflective plate improves irradiation intensity and the irradiation range of ultraviolet light, Disinfection Effect is good, in addition, the scurf in hearing aids receiver and microphone chamber is infected with by the sucking-off of air-breathing handle, earwax and foreign matter, the dust on hearing aids surface contamination is washed away by air blowing handle, impurity and foreign matter, can removal moisture drying can clean again, convenient and swift, time saving and energy saving, cost is low, the setting of dividing plate and air-vent is convenient to can also avoid hearing aids scratch while steam is discharged, protection hearing aids, the setting of anchor ear avoids drying chamber to run toward housing outward, also there is noise simultaneously low, lightweight, volume is little, portable advantage.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is the stereogram of preferred embodiment of the present utility model;

Fig. 2 is the internal main view of preferred embodiment of the present utility model;

Fig. 3 is the front view after the cover of preferred embodiment of the present utility model is opened;

Fig. 4 is the vertical view after the cover of preferred embodiment of the present utility model is opened;

Fig. 5 is the vertical view after the housing of preferred embodiment of the present utility model is taken away;

Fig. 6 is the pneumatic diagram of preferred embodiment of the present utility model;

Fig. 7 is the circuit diagram of preferred embodiment of the present utility model.

Embodiment

Be described in further detail the utility model in conjunction with the accompanying drawings and embodiments now, these accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.

As shown in Fig. 1-Fig. 7, a kind of maintenance structure for hearing aids, comprise base 2, the housing 4 be connected with base 2, base 2 and housing 4 are by screw-driving, base 2 is provided with vacuum pump 6, vacuum pump 6 comprises air inlet 8 and gas outlet 10, the lower ending opening of housing 4, inner hollow, housing 4 is provided with drying chamber 12, sensitive switch 14, drying chamber 12 comprises tank body 16, the cover 18 be connected with tank body 16 folding, facilitate the electrical connection of the electronic devices and components that the wiring board of setting on base 2 and cover 18 are arranged, in order to realize being tightly connected of cover when cover 18 covers 18 and tank body 16, sealing ring 20 is provided with in the preferred cover 18 of the utility model, tank body 14 is connected with air inlet 8, cover 18 is fixed with at least one UVLED22 and at least one the 2nd UVLED24, briquetting 26, UVLED is ultraviolet light-emitting diode, one UVLED22 sends the ultraviolet light that centre wavelength is 254nm, 2nd UVLED24 sends the ultraviolet light that centre wavelength is 185nm, when cover 18 covers, briquetting 26 is arranged in a crossed manner with sensitive switch 14, be convenient to briquetting 26 and push down sensitive switch 14, preferred briquetting 26 is arranged in right-angled intersection with sensitive switch 14, further increase the stability that briquetting 26 contacts with sensitive switch 14, pressure is large, realize the work of a UVLED22 and the 2nd UVLED24.

Also be provided with heater, heater comprises the heater element 27, power circuit 28 and the governor circuit 30 that are electrically connected to each other, and heater element 27 is fixed on tank body 16, and preferred heater element 27 is fixed on the diapire of tank body 16, but be not limited to diapire, also can be fixed on the sidewall of tank body 16.

Also be provided with dust suction handle 32, air blowing handle 34 and electromagnetically operated valve 36, air inlet 8, tank body 16 are all connected with electromagnetically operated valve 36 with dust suction handle 34, and air blowing handle 32 is connected with gas outlet 10.

Conveniently connect, the utility model also comprises four-way interface 38, the first interface of four-way interface 38 is connected with air inlet 8 by the first pipeline 40, second interface of four-way interface 38 is connected with the first end of electromagnetically operated valve 36 by the second pipeline 42, and the second end of electromagnetically operated valve 36 is connected with tank body 14 by the 3rd pipeline 44.

In order to ensure safety, the preferred housing 4 of the utility model is provided with relief valve 46, and relief valve 46 is connected with air inlet 8.Preferably relief valve 46 is connected with the 3rd interface of four-way interface 38 by the 4th pipeline 48 further, thus realizes the connection with air inlet 8 by the first pipeline 40 again.

The dust suction syringe needle 52 that further preferably dust suction handle 32 comprises dust suction syringe 50, is communicated with dust suction syringe 50.The air blowing syringe needle 56 that further preferably air blowing handle 32 comprises air blowing syringe 54, is communicated with air blowing syringe 54.For the ease of connecting, the preferred housing 4 of the utility model is provided with dust suction interface 58, air blowing interface 60,3rd end of electromagnetically operated valve 36 is connected with dust suction interface 58 by the 5th pipeline 62, dust suction interface 58 is connected with dust suction syringe 50 by the 6th pipeline 64, gas outlet 10 is connected with air blowing interface 60 by the 7th pipeline 66, and air blowing interface 60 is connected with air blowing syringe 54 by the 8th pipeline 68.Dust suction syringe needle 52 and air blowing syringe needle 56 all can stretch in hearing aids and aim at parts, particularly aperture to be cleaned or small gap, convenient and swift, thoroughly clean, without dead angle, and can not cause damage to parts to be cleaned.

The utility model also comprises the reset circuit 70, display circuit 72, air pressure testing circuit 74, humiture collection circuit 76, the keying circuit 78 that are connected with governor circuit 30.

Power circuit 28 accesses Hou Fen tri-tunnel by alternating current 220V, and wherein the first via is directly powered for heater element 27, and the second tunnel is the working power of electromagnetically operated valve 36, and the 3rd tunnel is the input power of 24V/6A Switching Power Supply.24V/6A Switching Power Supply exports two-way, and direct current 24V is the working power of vacuum pump 6, and direct current 5V is the working power of governor circuit 30, reset circuit 70, display circuit 72, air pressure testing circuit 74, humiture collection circuit 76, keying circuit 78.

Governor circuit 30 adopts ATmega8 single-chip microcomputer to make main control MCU, and ATmega8 is 8 AVR microprocessors of a high-performance, low-power consumption, and 28 travel far and wide, and advanced risc architecture, 12MHz crystal oscillator G is to meet control rate and real-time.

Reset circuit 70 comprises C1 and R1, and system electrification automatically resets.When just having started to power on, that is during firm connection Vcc power supply, because the voltage on electric capacity C1 can not suddenly change, energising moment C1 is equivalent to short circuit, the voltage of Vcc power supply is all on R1, this high level is added in the PC6/RST mouth of single-chip microcomputer, as long as the satisfied high level be added on RST can continue 24 cycles of oscillation can make monolithic processor resetting.

Display circuit 72 adopts S012864FPD matrix liquid-crystal display screen 82, can show word, symbol and figure.A, time showing: timing range, point 30min, 60min, 90min third gear; Countdown, is decremented to zero by second, and timing terminates; The instant time, 24 hours systems.B, humiture show: real-time temperature, degree Celsius; Instant humidity.C, air pressure show: instant pressure, relative pressure.D, function select display: I, vacuum dehumidifying; Blow; Heated constant temperature; UV light cleans; Sterilizing; II, vacuum dehumidifying; Blow; Heated constant temperature; III, dust suction; Blow; IV, UV light cleans; Sterilizing.

Air pressure testing circuit 74 adopts PPT intelligent pressure sensor 84.PPT intelligent pressure sensor 84 inside is integrated with piezo-resistance, A/D converter, microprocessor, memory and interface circuit, device integration is high, performance index are high, easy to use, PPT intelligent pressure sensor 84 is fixed on base 2, and PPT intelligent pressure sensor 84 is connected with the 4th interface of four-way interface 38 by the 9th pipeline 86.PPT intelligent pressure sensor 84 can know the force value in tank body 14 in time, is shown by the LCDs 82 of display circuit 72.

It is a microminiature, high accuracy that humiture collection circuit 76 adopts model to be the Multifunctional warm humidity sensor 88, SHT71 of SHT71, self calibration temperature/humidity compound sensor.Application CMOS micro-processing technology, sensor internal comprises a condenser type condensate and detects wet element and an energy gap type temperature element, with 14 A/D converters and serial interface circuit is integrated realizes seamless link on the same chip on device.Device inside is also integrated with amplifier, the total interface of nominal data memory, data and stabilizer.Two-wire serial interface is without the need to additional circuit.Possess that quality brilliance, ultrafast corresponding, antijamming capability are strong, cost performance pole advantages of higher.

Keying circuit 78 comprises A, function key 90 arranges function and divides four tunnels, I, II, III, IV fourth gear.I, vacuum dehumidifying, air blowing, heated constant temperature, light cleaning, disinfection, this grade of selection determine after with timing setting startup optimization, but inside arrange light cleaning, disinfection function startup optimization quits work after 15 minutes automatically, now vacuum dehumidifying just understands startup optimization.Such arrangement is because UV light cleans, sterilizing must participate in by aerobic.In order to anoxic unlikely in drying chamber, vacuum dehumidifying delays 15 minutes startup optimization, to give full play to the cleaning of UV light, sterilizing effect.II, vacuum dehumidifying, air blowing, heated constant temperature.III, dust suction, air blowing.The cleaning of IV, UV light, sterilizing.Inside set four class as a cycle, button, by once selecting one grade, circulates successively.Function is selected to determine that rear its runs with timing setting startup work.B, timing key 92 set timing and divide 30min, 60min, 90min third gear.By one-shot timing 30min; By restarting timing 60min; Timing 90min is started by three times.Interior setting third gear is one-period, enters next cycle period, be followed successively by 30min by the 4th time; Being 60min by five times, is 90min by six times.Circulation like this is continuous.

Bidirectional triode thyristor VG1, VG2, photoelectrical coupler IC1, IC2, heater element 27 form heater circuit 94, and bidirectional triode thyristor is withstand voltage height, reliability are high, and can be completely switched on, exchange in positive-negative half-cycle and have electric power to export, improve heating efficiency.Employing photoelectrical coupler is opened in the triggering of bidirectional triode thyristor, heater circuit 94 and governor circuit 30 Phototube Coupling, to ensure safety.Heater element 27 adopts ptc fever tablet, because ptc material has positive temperature coefficient, when ptc fever tablet is by current heating, temperature raises, the corresponding increase of its resistance, makes the corresponding reduction of electric current passed through, so caloric value also corresponding reduction, temperature declines and is in temperature constant state, has the performance of autonomous regulating and controlling temperature.When the PB2 mouth of single-chip microcomputer is low level, photoelectrical coupler IC2 exports trigger current, triggers and opens bidirectional triode thyristor VG2, and heater element 27 obtains electric heating up.When temperature rises to 52 DEG C, be delivered to main control MCU, after computing, send instruction by Temperature Humidity Sensor 76 after being gathered, PB2 mouth exports high level, and photoelectrical coupler IC2 ends, and turns off VG2, so heater element 27 dead electricity stops heating.Set in limited time in temperature is down to, be delivered to main control MCU after being gathered by Temperature Humidity Sensor 76, after computing, send instruction, PB2 mouth output low level, photoelectrical coupler IC2 exports trigger current triggering and opens bidirectional triode thyristor VG2, and heater element 27 obtains electric heating up.Equipment auto-control temperature and enter temperature constant state.

Vacuum pump 6, large power triode VT1 and electric capacity C6 form dehumidifier circuit 96, vacuum pump 6 is preferably VAY8828 minipump, it is a large discharge, high vacuum, life-span long brushless micro vacuum pump, its peak flow can reach 28L/min, relative pressure can reach-99KPa, and absolute pressure and vacuum degree reach 12KPa.When tank body 16 and the cover 18 of drying chamber 12 seal and cover, bleed through vacuum pump 6, air pressure reduces formation subnormal ambient gradually, and boiling point is corresponding reduction also, and when vacuum degree reaches 12KPa, the boiling point of water is down to less than 50 DEG C, and the heat drying function constant temperature of the machine is at 52 DEG C, reach the boiling point of water sooner, make moisture meeting fast vaporizing, therefore, under the double action of vacuum dehumidifying and heated at constant temperature, the hearing aids surface of placing in tank body 16 and the moisture of deep layer are acutely vaporized and overflow.The moist steam of overflowing in object is ceaselessly taken away by vacuum pump 6, quick thorough dry inner matter.Single-chip microcomputer sends instruction, and PB0 port exports high level, large power triode VT1 conducting, vacuum pump 6 entry into service; When timing countdown terminates, PB0 port output low level, large power triode VT1 ends, and vacuum pump 6 dead electricity shuts down.The participation of the light cleaning of the machine and the necessary aerobic of sterilizing effect.In order to give full play to the effect of UV light cleaning and sterilization, work delayed by vacuum pump 6, and light cleaning, sterilizing and heat drying 15 minutes final vacuum pumps 6 put into operation again.

The switching of vacuum dehumidifying and dust suction: when function key 90 selects III dust suction, air blowing shelves, main control MCU sends instruction, PB1 port output low level, photoelectrical coupler IC1 exports trigger current and triggers bidirectional triode thyristor VG1, makes it conducting, electromagnetically operated valve 36 energized action, turn off the 3rd pipeline 44, cut off vacuum dehumidifying gas circuit, connect the 5th pipeline 62, connect dust suction gas circuit.When selection I function shelves or II function shelves, PB1 mouth exports high level, and photoelectrical coupler IC1 ends, and bidirectional triode thyristor VG1 loses trigger current and turns off voluntarily, and electromagnetically operated valve 36 dead electricity turns off dust suction gas circuit, recovers vacuum dehumidifying gas circuit.

The quantity of the utility model preferably a UVLED22 and the 2nd UVLED24 is three, power is large, three UVLED22, three the 2nd UVLED24 and R12, R13, R14, R15, R16, R17 forms sterilization light cleaning circuit 98, cover 18 internal fixtion has LED sensor wiring board 100, another part of three UVLED22 and three the 2nd UVLED24 is spacedly distributed on same 360 ° of circular arcs of LED sensor wiring board 100, Multifunctional warm humidity sensor 88 part is fixed on the center of LED sensor wiring board 100, preferred cover internal fixtion has mirror reflective plate 102, mirror reflective plate 102 is in the shape of falling door, ultraviolet light is by the direct radiation of mirror reflective plate 102 and reflex to the hearing aids be put in tank body 16, improve irradiation intensity and the irradiation range of ultraviolet light, Disinfection Effect is good, the preferred mirror reflective plate 102 of the utility model adopts mirror face stainless steel material to make, but be not limited to mirror face stainless steel material, also can be eyeglass, reflective membrane or electrodeposited coating, one UVLED22 and the 2nd UVLED24 all partially passes through mirror reflective plate 102, Multifunctional warm humidity sensor 88 another part is through mirror reflective plate 102, the OC2 mouth of single-chip microcomputer exports modulation pulsewidth and drives high-power FET VT2 to light a UVLED22, 2nd UVLED24.One UVLED22 sends the direct sterilization of ultraviolet light that centre wavelength is 254nm, and it is produce ozone after the UV-irradiation air of 185nm that the 2nd UVLED24 sends centre wavelength, and the ultraviolet light being 254nm with centre wavelength is done to reach multiple Disinfection Effect simultaneously.In addition, centre wavelength is that the UV light of 185nm and 254nm has very high energy, when these photons act on cleaned material surface, because most of hydrocarbon has stronger absorption function to 185nm length ultraviolet light, and ion, free state atom, excited molecule and neutron is formed after absorption 185nm length ultraviolet light energy, realize photosensitization, oxygen molecule in air also can produce ozone and elemental oxygen after absorbing the ultraviolet light of 185nm, ozone has strong absorption equally to the ultraviolet light of 254nm, and ozone is decomposed into again elemental oxygen and oxygen.Its induced by atomic oxygen is extremely active, under its effect, the carbon of body surface, hydrocarbons decompose thing can be combined to volatilizable gas, carbon dioxide and steam effusion surface, thus thoroughly remove the carbon organic pollution being attached on hearing aids surface, avoid with an organic solvent to environment, environmental protection, can shorten cleaning process simultaneously.In order to give full play to the effect of ultraviolet rays cleaning, ultraviolet rays cleaning sterilizing is set to the first action, vacuum dehumidifying drying is the second action.After equipment power-on, setting timing, now, ultraviolet rays cleaning sterilizing and heated at constant temperature start work automatically, after 15 minutes, the sterilization of light cleaning and sterilization quits work automatically, equipment enter the second action that is time delay first action after 15 minutes the second action just start.

When cover 18 is opened, briquetting 26 is separated with sensitive switch 14, the distress resolves on sensitive switch 14, and sensitive switch 14 cuts off sterilization light cleaning circuit the 98, one UVLED22, the 2nd UVLED24 extinguishes, thus the safety of protection user.

Dividing plate 104 is provided with in the preferred drying chamber 12 of the utility model; dividing plate 104 has multiple air-vent 106; steam can be discharged outside tank body 16 along air-vent 106; tank body 16 lower end arranges interface 108 and is connected with the 3rd pipeline 44; the setting of dividing plate 104 can avoid hearing aids directly to contact with diapire in tank body 16; be convenient to the discharge of steam, hearing aids can be avoided by interface 108 scratch simultaneously, protection hearing aids.Tank body 16 is arranged with anchor ear 110, anchor ear 110 is c-shaped, and anchor ear 110 is fastened on tank body 16 outer wall, and the upper end of anchor ear 110 abuts with housing 4, avoids drying chamber 12 to run toward housing 4 is outer.

In order to avoid misoperation, water is spilt the electronic devices and components affected on the table in base 2, guarantee safety, the lower end of the preferred base 2 of the utility model is provided with foot pad 112.

For the ease of this structure mobile, the preferred housing 4 of the utility model is symmetrically arranged with two handles 114, both hands exert a force, convenient and swift.

The preferred housing 4 of the utility model is provided with mains switch 116, base 2 is provided with band cartridge fuse supply socket 118.

In use, be placed on by hearing aids on the dividing plate 104 in tank body 16, cover tightly cover 18, then close relief valve 46, press mains switch 116, switch on power, system electrification automatically resets the utility model, carries out initialization.Press function key 90 and timing key 92 once, select I function shelves, timing 30min, LCDs 82 carries out Presentation Function, time, temperature and air pressure, now heated at constant temperature and the sterilization of ultraviolet cleaning and sterilization starts work automatically, light of sterilizing after 15min cleaning quits work automatically, vacuum pump 6 starts work, vacuum pump 6 is bled, air pressure in drying chamber 12 reduces gradually and becomes negative pressure subenvironment, boiling point is corresponding reduction also, simultaneously under the effect of heated at constant temperature, the hearing aids surface of placing in drying chamber 12 and the moisture of deep layer are acutely vaporized and overflow, the moist steam of effusion is ceaselessly taken away by vacuum pump 6, quick thorough dry built in hearing aid, meanwhile, vacuum pump 6 is in the process of running, and the air blowing syringe needle 56 of air blowing handle 34 can be aimed at hearing aids needs clean position, dust, impurity and foreign matter is washed away by air-flow.After 15min, vacuum pump 6 shuts down, and as opened cover 18, first opens relief valve 46, and tank 12 internal and external pressure balance to be dried, can open cover 18, takes out the hearing aids after dehumidifying sterilization.

Above according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, related personnel in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification, must determine technical scope according to right.

Claims (10)

1. the maintenance structure for hearing aids, it is characterized in that: comprise base, the housing be connected with described base, described base is provided with vacuum pump, described vacuum pump comprises air inlet and gas outlet, described housing is provided with drying chamber, sensitive switch, described drying chamber comprises tank body, the cover be connected with described tank body folding, described tank body is connected with described air inlet, described cover is fixed with at least one UVLED, at least one the 2nd UVLED, briquetting, a described UVLED sends the ultraviolet light that centre wavelength is 254nm, described 2nd UVLED sends the ultraviolet light that centre wavelength is 185nm, when described cover covers, described briquetting and described sensitive switch arranged in a crossed manner.

2. the maintenance structure for hearing aids according to claim 1, is characterized in that: be also provided with heater, and described heater comprises the heater element, power circuit and the governor circuit that are electrically connected to each other, and described heater element is fixed on described tank body.

3. the maintenance structure for hearing aids according to claim 2, is characterized in that: described cover is fixed with mirror reflective plate, and a described UVLED and the 2nd UVLED all partially passes through described mirror reflective plate.

4. the maintenance structure for hearing aids according to claim 1, it is characterized in that: be also provided with dust suction handle, air blowing handle and electromagnetically operated valve, described air inlet, tank body and dust suction handle are all connected with described electromagnetically operated valve, and described air blowing handle is connected with described gas outlet.

5. the maintenance structure for hearing aids according to claim 1, it is characterized in that: described housing is provided with relief valve, described relief valve is connected with described air inlet.

6. the maintenance structure for hearing aids according to claim 1, is characterized in that: be provided with dividing plate in described tank body, described dividing plate has multiple air-vent.

7. the maintenance structure for hearing aids according to claim 1, is characterized in that: described tank body is arranged with anchor ear, and the upper end of described anchor ear abuts with described housing.

8. the maintenance structure for hearing aids according to claim 1, is characterized in that: be provided with sealing ring in described cover.

9. the maintenance structure for hearing aids according to claim 2, is characterized in that: also comprise humiture collection circuit, and described humiture collection circuit is connected with described governor circuit.

10. the maintenance structure for hearing aids according to claim 2, is characterized in that: also comprise air pressure testing circuit, and described air pressure testing circuit is connected with described governor circuit.