CN204334914U - Hearing aids intelligence maintaining instrument - Google Patents
Hearing aids intelligence maintaining instrument Download PDFInfo
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- CN204334914U CN204334914U CN201420863004.8U CN201420863004U CN204334914U CN 204334914 U CN204334914 U CN 204334914U CN 201420863004 U CN201420863004 U CN 201420863004U CN 204334914 U CN204334914 U CN 204334914U
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- hearing aids
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Abstract
The utility model relates to a kind of hearing aids intelligence maintaining instrument, the housing comprise base, being 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, dust suction handle and air blowing handle, described drying chamber is provided with heater element, described heater element is connected with control circuit, described dust suction handle is connected with described air inlet, and described air blowing handle is connected with described gas outlet.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, scurf, earwax and the foreign matter in hearing aids receiver and microphone chamber is infected with by the sucking-off of air-breathing handle, dust, impurity and the foreign matter on hearing aids surface contamination is washed away by air blowing handle, can dehumidify and can clean, the setting of dividing plate and air-vent is convenient to can also avoid hearing aids scratch while steam is discharged.
Description
Technical field
The utility model relates to a kind of hearing aids intelligence maintaining instrument.
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 becomes easily infected by earwax, dirt in the process used, and needs the burnisher buying other to clean hearing aids, increases cost.
Utility model content
The utility model overcomes the deficiencies in the prior art, provides a kind of structure simple hearing aids intelligence maintaining instrument.
For achieving the above object, the technical solution adopted in the utility model is: a kind of hearing aids intelligence maintaining instrument, the housing comprise base, being 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, dust suction handle and air blowing handle, described drying chamber is provided with heater element, described heater element is connected with control circuit, described dust suction handle is connected with described air inlet, and described air blowing handle is connected with described gas outlet.
In the utility model preferred embodiment, hearing aids intelligence maintaining instrument comprises the dust suction syringe needle that described dust suction handle comprises dust suction syringe, is communicated with described dust suction syringe further.
In the utility model preferred embodiment, hearing aids intelligence maintaining instrument comprises the air blowing syringe needle that described air blowing handle comprises air blowing syringe, is communicated with described air blowing syringe further.
In the utility model preferred embodiment, hearing aids intelligence maintaining instrument 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, hearing aids intelligence maintaining instrument comprises further in described drying chamber and is provided with dividing plate, and described dividing plate has multiple air-vent.
In the utility model preferred embodiment, hearing aids intelligence maintaining instrument comprises further on described drying chamber and is arranged with anchor ear, and the upper end of described anchor ear abuts with described housing.
In the utility model preferred embodiment, hearing aids intelligence maintaining instrument comprises described control circuit further and comprises power circuit, the governor circuit be connected with described power circuit and electromagnetically operated valve, and described air inlet, drying chamber and dust suction handle are all connected with described electromagnetically operated valve.
In the utility model preferred embodiment, hearing aids intelligence maintaining instrument comprises described control circuit further and also comprises humiture collection circuit, and described humiture collection circuit is connected with described governor circuit.
In the utility model preferred embodiment, hearing aids intelligence maintaining instrument comprises described control circuit 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, 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 hearing aids intelligence maintaining instrument, 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, dust suction handle 14 and air blowing handle 16, preferably drying chamber 12 comprises tank body 18 further, the cover 20 be connected with tank body 18 folding, when cover 20 covers, cover 20 and tank body 18 are tightly connected, tank body 18 is provided with heater element 22, preferred heater element 22 is fixed on the diapire of tank body 18, but be not limited to diapire, heater element 22 also can be fixed on the sidewall of tank body 18, heater element 22 is connected with control circuit, dust suction handle 14 is connected with air inlet 8, air blowing handle 16 is connected with gas outlet 10.
Reset circuit 30, display circuit 32, air pressure testing circuit 34, humiture collection circuit 36, keying circuit 38 and bactericidal light cleaning circuit 40 that the preferred control circuit of the utility model comprises power circuit 24, the governor circuit 26 be connected with power circuit 24 and electromagnetically operated valve 28 and is connected with governor circuit 26.Air inlet 8, drying chamber 12 are all connected with electromagnetically operated valve 28 with dust suction handle 14.
Conveniently connect, the utility model also comprises four-way interface 42, the first interface of four-way interface 42 is connected with air inlet 8 by the first pipeline 44, second interface of four-way interface 42 is connected with the first end of electromagnetically operated valve 28 by the second pipeline 46, and the second end of electromagnetically operated valve 28 is connected with tank body 18 by the 3rd pipeline 48.
In order to ensure safety, the preferred housing 4 of the utility model is provided with relief valve 50, and relief valve 50 is connected with air inlet 8.Preferably relief valve 50 is connected with the 3rd interface of four-way interface 42 by the 4th pipeline 52 further, thus realizes the connection with air inlet 8 by the first pipeline 44 again.
The dust suction syringe needle 56 that further preferably dust suction handle 14 comprises dust suction syringe 54, is communicated with dust suction syringe 54.The air blowing syringe needle 60 that further preferably air blowing handle 16 comprises air blowing syringe 58, is communicated with air blowing syringe 58.For the ease of connecting, the preferred housing 4 of the utility model is provided with dust suction interface 62, air blowing interface 64,3rd end of electromagnetically operated valve 28 is connected with dust suction interface 62 by the 5th pipeline 66, dust suction interface 62 is connected with dust suction syringe 54 by the 6th pipeline 68, gas outlet 10 is connected with air blowing interface 64 by the 7th pipeline 70, and air blowing interface 64 is connected with air blowing syringe 58 by the 8th pipeline 72.Dust suction syringe needle 56 and air blowing syringe needle 60 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.
Power circuit 24 accesses Hou Fen tri-tunnel by alternating current 220V, and wherein the first via is directly powered for heater element 22, and the second tunnel is the working power of electromagnetically operated valve 28, and the 3rd tunnel is the input power of 24V/6A Switching Power Supply.24V/6A Switching Power Supply exports two-way, direct current 24V is the working power of vacuum pump 6, and direct current 5V is the working power of governor circuit 26, reset circuit 30, display circuit 32, air pressure testing circuit 34, humiture collection circuit 36, keying circuit 38, bactericidal light cleaning circuit 40.
Governor circuit 26 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 30 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 32 adopts S012864FPD matrix liquid-crystal display screen 74, 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 34 adopts PPT intelligent pressure sensor 76, PPT intelligent pressure sensor 76 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 76 is fixed on base 2, and PPT intelligent pressure sensor 76 is connected with the 4th interface of four-way interface by the 9th pipeline 78.PPT intelligent pressure sensor 76 can know the force value in tank body 18 in time, is shown by the LCDs 74 of display circuit 32.
Humiture collection circuit 36 adopts model to be the Multifunctional warm humidity sensor 80 of SHT71, and Multifunctional warm humidity sensor 80 can be arranged on the inwall of cover 20, and SHT71 is a microminiature, high accuracy, 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 38 comprises A, function key 82 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 84 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 22 form heater circuit 86, 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 86 and governor circuit 26 Phototube Coupling, to ensure safety.Heater element 22 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 22 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 80 after being gathered, PB2 mouth exports high level, and photoelectrical coupler IC2 ends, and turns off VG2, so heater element 22 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 80, 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 22 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 88, 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 18 and the cover 20 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 18 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 82 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 28 energized action, turn off the 3rd pipeline 48, cut off vacuum dehumidifying gas circuit, connect the 5th pipeline 66, 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 28 dead electricity turns off dust suction gas circuit, recovers vacuum dehumidifying gas circuit.
Bactericidal light cleaning circuit 40 comprises three UVLED90, three the 2nd UVLED92 and R12, R13, R14, R15, R16, R17, three UVLED90 and three the 2nd UVLED92 are spacedly distributed on same 360 ° of circular arcs of cover 20 inwall, and the OC2 mouth of single-chip microcomputer exports modulation pulsewidth and drives high-power FET VT2 to light a UVLED90, the 2nd UVLED92.It is the direct sterilization of 254nm ultraviolet that one UVLED90 sends centre wavelength, and it is produce ozone after the Ultraviolet radiation air of 185nm that the 2nd UVLED92 sends centre wavelength, and the ultraviolet being 254nm with centre wavelength is done to reach multiply sterilizing 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.
In order to avoid ultraviolet ray burn eyes and skin; also comprise safety guard; be made up of Hall switch 94, magnet 96, inverter N and resistance R2, Hall switch 94 can be fixed in housing 4, and magnet 96 is fixed in cover 20; open cover 20; Hall switch 94 loses magnetic fields, output signal upset, and main control MCU sends instruction and cuts off bactericidal light cleaning circuit 40; one UVLED90, the 2nd UVLED92 extinguish, thus the safety of protection user.
Dividing plate 98 is provided with in the preferred drying chamber 12 of the utility model; dividing plate 98 has multiple air-vent 100; steam can be discharged outside tank body 18 along air-vent 100; tank body 18 lower end arranges interface 102 and is connected with the 3rd pipeline 48; the setting of dividing plate 98 can avoid hearing aids directly to contact with diapire in tank body 18; be convenient to the discharge of steam, hearing aids can be avoided by interface 102 scratch simultaneously, protection hearing aids.Drying chamber 12 is arranged with anchor ear 104, anchor ear 104 is c-shaped, and anchor ear 104 is fastened on tank body 18 outer wall, and the upper end of anchor ear 104 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 106.
For the ease of this structure mobile, the preferred housing 4 of the utility model is symmetrically arranged with two handles 108, both hands exert a force, convenient and swift.
The preferred housing 4 of the utility model is provided with mains switch 110, base 2 is provided with band cartridge fuse supply socket 112.
In use, be placed on by hearing aids on the dividing plate 98 in tank body 18, cover tightly cover 20, then close relief valve 50, press mains switch 110, switch on power, system electrification automatically resets the utility model, carries out initialization.Press function key 82 and timing key 84 once, select I function shelves, timing 30min, LCDs 74 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, after 15min, bactericidal light 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 60 of air blowing handle 16 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 20, first opens relief valve 50, and tank 12 internal and external pressure balance to be dried, can open cover 20, takes out hearing aids.
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 (9)
1. a hearing aids intelligence maintaining instrument, it is characterized in that: the housing comprise base, being 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, dust suction handle and air blowing handle, described drying chamber is provided with heater element, described heater element is connected with control circuit, described dust suction handle is connected with described air inlet, and described air blowing handle is connected with described gas outlet.
2. hearing aids intelligence maintaining instrument according to claim 1, is characterized in that: the dust suction syringe needle that described dust suction handle comprises dust suction syringe, is communicated with described dust suction syringe.
3. hearing aids intelligence maintaining instrument according to claim 1, is characterized in that: the air blowing syringe needle that described air blowing handle comprises air blowing syringe, is communicated with described air blowing syringe.
4. hearing aids intelligence maintaining instrument 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.
5. hearing aids intelligence maintaining instrument according to claim 1, is characterized in that: be provided with dividing plate in described drying chamber, described dividing plate has multiple air-vent.
6. hearing aids intelligence maintaining instrument according to claim 1, it is characterized in that: described drying chamber is arranged with anchor ear, the upper end of described anchor ear abuts with described housing.
7. hearing aids intelligence maintaining instrument according to claim 1, it is characterized in that: described control circuit comprises power circuit, the governor circuit be connected with described power circuit and electromagnetically operated valve, and described air inlet, drying chamber and dust suction handle are all connected with described electromagnetically operated valve.
8. hearing aids intelligence maintaining instrument according to claim 7, it is characterized in that: described control circuit also comprises humiture collection circuit, described humiture collection circuit is connected with described governor circuit.
9. hearing aids intelligence maintaining instrument according to claim 7, it is characterized in that: described control circuit also comprises air pressure testing circuit, described air pressure testing circuit is connected with described governor circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420863004.8U CN204334914U (en) | 2014-12-31 | 2014-12-31 | Hearing aids intelligence maintaining instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420863004.8U CN204334914U (en) | 2014-12-31 | 2014-12-31 | Hearing aids intelligence maintaining instrument |
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| Publication Number | Publication Date |
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| CN204334914U true CN204334914U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420863004.8U Active CN204334914U (en) | 2014-12-31 | 2014-12-31 | Hearing aids intelligence maintaining instrument |
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| CN (1) | CN204334914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104540064A (en) * | 2014-12-31 | 2015-04-22 | 苏州立人听力器材有限公司 | Hearing-aid intelligent maintenance instrument |
| CN108449697A (en) * | 2018-05-14 | 2018-08-24 | 广东小天才科技有限公司 | A kind of fluid-discharge method and electronic equipment of loud speaker |
-
2014
- 2014-12-31 CN CN201420863004.8U patent/CN204334914U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104540064A (en) * | 2014-12-31 | 2015-04-22 | 苏州立人听力器材有限公司 | Hearing-aid intelligent maintenance instrument |
| CN108449697A (en) * | 2018-05-14 | 2018-08-24 | 广东小天才科技有限公司 | A kind of fluid-discharge method and electronic equipment of loud speaker |
| CN108449697B (en) * | 2018-05-14 | 2020-04-14 | 广东小天才科技有限公司 | Liquid discharging method of loudspeaker and electronic equipment |
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