CN210154206U

CN210154206U - Electronic dryer with UV ultraviolet lamp

Info

Publication number: CN210154206U
Application number: CN201822256292.1U
Authority: CN
Inventors: 徐斌; 杨涛
Original assignee: SUZHOU LIREN HEARING EQUIPMENT Co Ltd
Current assignee: SUZHOU LIREN HEARING EQUIPMENT Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-03-17
Anticipated expiration: 2028-12-29

Abstract

The utility model discloses an electronic dryer with UV ultraviolet lamp, which comprises a box body, wherein a drying chamber is arranged in the box body, the upper part of the drying chamber is provided with an upper cover which can move up and down, the upper cover is provided with an air outlet, a heating element is arranged in the drying chamber, a middle partition layer with a first air hole is arranged in the drying chamber, the back of the middle partition layer is provided with a heating element with an automatic constant temperature function in a separated manner, the lower part of the box body is sleeved with a concave bottom buckle plate, and the bottom buckle plate is provided with a second air hole; and a UV ultraviolet lamp is arranged in the drying bin. The utility model provides an electronic dryer with sterilization and disinfection functions, which has simple structure, convenient operation and convenient carrying.

Description

Electronic dryer with UV ultraviolet lamp

Technical Field

The utility model relates to an electron dehumidification technical field specifically is an electron desicator that has a UV ultraviolet lamp for giving accurate electronic product dehumidification.

Background

The use requirements of precision electronic products are very strict, for example, precision electronic products such as hearing aids and mechanical watches, etc. are very strict. The precise electronic product cannot be prevented from being corroded by sweat and moisture in daily use. Especially, the hearing aid is infiltrated and corroded by sweat and moisture for a long time, the external wearing comfort of the hearing aid is influenced, the use performance of internal devices of the hearing aid is reduced, and bacteria are easy to breed on the hearing aid.

Therefore, routine maintenance of the hearing aid is indispensable. In the prior art, the hearing aid is cleaned, dehumidified and maintained generally by going to a store regularly, although dirt, sweat and moisture on the hearing aid can be effectively cleaned by equipment in the store, the equipment is inconvenient for a user to carry out daily maintenance, particularly, the temperature of high humidity, large sweat amount and warm heat in summer is favorable for the growth of bacteria, and the hearing aid needs to be dehumidified, sterilized and disinfected regularly, otherwise, the hearing aid is damaged in a humid environment for a long time.

Therefore, there is a need to develop an electronic dryer for dehumidifying and sterilizing precise electronic products, which has a simple structure, a small size, and easy and convenient operation.

Disclosure of Invention

In order to overcome the problems, the utility model provides an electronic dryer with sterilization and disinfection functions, which has simple structure, convenient operation and convenient carrying.

The technical scheme of the utility model is that an electronic dryer with UV ultraviolet lamp is provided, which comprises a box body 1, wherein a drying chamber 2 is arranged in the box body 1, an upper cover 3 which can move up and down is arranged on the upper part of the drying chamber 2, an air outlet 32 is arranged on the upper cover 3, a heating element 113 is arranged in the box body 1, a middle partition layer 11 with a first air hole 112 is arranged in the drying chamber 2, the heating element 113 with automatic constant temperature function is arranged on the reverse side of the middle partition layer 11 in a hollow manner, a concave bottom buckle plate 5 is sleeved on the lower part of the box body 1, and a second air hole 51 is arranged on the bottom buckle plate 5; the rear side wall of the drying bin 2 is internally provided with a UV ultraviolet lamp D3, the box body 1 is internally provided with a control circuit, and the control circuit comprises a single chip microcomputer U1, a breathing lamp D1, a UV ultraviolet lamp D3 and a power supply interface 14, wherein the breathing lamp D1, the UV ultraviolet lamp D3 and the power supply interface are electrically connected with the single chip microcomputer U1; a driving circuit U3 is arranged between the single chip microcomputer U1 and the Hall switch D1, and a leakage-proof circuit is connected to the driving circuit U3.

In a preferred embodiment of the present invention, a hall element U2 is disposed in the box body 1; a receiving groove 33 corresponding to the hall element U2 is provided on the side edge of the upper cover 3, and a magnet 331 is provided in the receiving groove 33. Furthermore, the upper cover 3 is provided with an ultraviolet-proof coating, so that ultraviolet light is effectively prevented from leaking.

In a preferred embodiment of the present invention, a supporting pillar 115 is disposed on the back of the middle partition layer 11, and a heating element 113 is fixedly disposed on the supporting pillar 115; the heat generating element 113 is a PTC heat generating element.

In a preferred embodiment of the present invention, the surface of the middle partition layer 11 is further provided with a plurality of bumps 111.

In a preferred embodiment of the present invention, the bottom surface of the bottom buckle plate 5 is provided with a bottom foot 52.

In a preferred embodiment of the present invention, the air outlet 32 includes a through groove 323 disposed on the upper cover 3, the bottom of the through groove 323 is connected with a light shielding baffle 321, and a side groove 322 communicating with the through groove 323 is disposed between the light shielding baffle and the upper cover 3.

In a preferred embodiment of the present invention, a breathing lamp D1 is further disposed at the rear end of the box body 1.

In a preferred embodiment of the present invention, a power interface 14 is further disposed at the rear of the box body 1.

In a preferred embodiment of the present invention, a control circuit of an electronic dryer with UV ultraviolet lamp comprises a single chip microcomputer U1, a breathing lamp D1, a UV ultraviolet lamp D3 and a power interface 14, wherein the breathing lamp D1, the UV ultraviolet lamp D3 and the power interface are electrically connected to the single chip microcomputer U1; a driving circuit U3 is arranged between the single chip microcomputer U1 and the Hall switch D1, and a leakage-proof circuit is connected to the driving circuit U3.

In a preferred embodiment of the present invention, the driving circuit U3 of the control circuit of the electronic dryer with the UV lamp is connected to the leakage-proof circuit and the single-chip U1 through the MOS transistor Q2.

The utility model has the advantages that:

1. the utility model discloses an electronic dryer with UV ultraviolet lamp is specially designed for accurate electronic product such as audiphone in daily drying dehumidification, disinfection and isolation. The middle layer plate isolates the dried object from the heating element 113, and the dried object is dehumidified and dried by air heated by the heating element 113, so that the problem that the dried object is damaged due to overhigh temperature caused by the traditional direct contact heating mode is avoided; the arrangement of the UV ultraviolet lamp D3 can realize sterilization and disinfection of electronic products.

2. The arrangement of the UV ultraviolet lamp is adopted, and in the using process, if the UV ultraviolet lamp D3 leaks, the human body is injured, so that an anti-leakage circuit needs to be arranged in the circuit, and the anti-leakage circuit can realize a protection power-off mode by opening the upper cover 3.

3. The PTC heating element is adopted, the automatic constant temperature function is realized, and the constant temperature is set to be 50 +/-5 ℃.

4. The design of the bottom pinch plate 5 and the air holes of the middle partition layer 11, the air outlet holes 32 arranged on the upper cover 3, the empty arrangement of the heating element 113 and the dense arrangement of the small bumps 111 at the bottom of the drying cabin 2 are all for enhancing the air convection effect and accelerating the drying effect.

5. The shading formula venthole 32 that upper cover 3 set up can not only satisfy ventilative demand, still has the effect that shelters from the ultraviolet ray and leak, prevents that the dust from getting into the dry storehouse 2 of pollution.

Drawings

Fig. 1 is a schematic structural view when the upper cover of the utility model is opened;

fig. 2 is a schematic structural view of the present invention when the upper cover is closed.

Fig. 3 is a schematic view of the bottom structure of the present invention.

Fig. 4 is a schematic structural view of the back of the middle barrier layer of the present invention.

Fig. 5 is a schematic side view of the heating element of the present invention mounted on the middle partition.

Fig. 6 is a schematic structural view of the air outlet on the upper cover of the utility model.

Fig. 7 is a circuit diagram of the present invention.

As shown in the figure, 1-box body, 11-middle partition layer, 111-bump, 112-first through hole, 113-heating element, 114-fixing bolt, 115-support column, 12-box body rear end, D1-breathing lamp, 122-pivot rod, 13-box body front end, 14-power interface, 15-pair interface, 2-drying bin, 3-upper cover, 31-pivot hole, 32-air outlet hole, 321-shading baffle, 322-side groove, 323-top groove, 33-containing groove, 331-magnet, 4-PCB board, 5-bottom buckle plate, 51-second air vent, 52-bottom foot and D3-UV lamp.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments.

As shown in fig. 1 to 6, the utility model discloses an electronic dryer with UV ultraviolet lamp, including being provided with drying chamber 2 in box body 1, drying chamber 2 upper portion is provided with upper cover 3 that can move about from top to bottom, is provided with venthole 32 on upper cover 3, be provided with middle partition 11 with first bleeder vent 112 in drying chamber 2, be provided with UV ultraviolet lamp D3 on drying chamber 2 inner wall and on middle partition 11 upper portion, middle partition 11 back is provided with support column 115, is provided with heating element 113 on the support column 115 fixedly, and middle partition 11 openly is provided with a plurality of lugs 111, and heating element 113 adopts the PTC heating element; the lower part of the box body 1 is sleeved with a concave bottom buckle plate 5, a second air hole 51 is arranged on the bottom buckle plate 5, and a bottom foot 52 is arranged on the bottom surface of the bottom buckle plate 5.

Further, at least one side of the box body 1 is provided with a butt joint port 15, and a Hall element U2 is arranged in the butt joint port 15; a housing groove 33 corresponding to the hall element U2 is provided on the side edge of the upper cover 3, and a magnet 331 is provided in the housing groove 33. Furthermore, an ultraviolet-proof coating is arranged on the upper cover 3, or the upper cover 3 is made of an ultraviolet-proof material, so that ultraviolet light is effectively prevented from leaking.

In a preferred embodiment of the present invention, the box body 1 comprises a supporting frame, the top end of the supporting frame is provided with a box body rear end 12, the tail end of the supporting frame is provided with a box body front end 13, the supporting frame is provided with a middle interlayer 11, the upper part of the supporting frame combined with the middle interlayer 11 is a drying chamber 2, and the lower part of the supporting frame combined with the middle interlayer 11 is a heating chamber. Further, pivot holes 31 pivotally connected to the upper cover 3 are provided on both sides of the rear end 12 of the case body. Further, a power interface 14 is arranged at the back of the box body 1. The rear end of the box body 1 is also provided with a breathing lamp D1. The breathing lamp D1 is of a gradual change type, and the heating process is indirectly displayed through the change of brightness of the breathing lamp D1.

In a preferred embodiment of the present invention, a pivot rod 122 embedded in the pivot hole 31 is disposed on both sides of one end of the upper cover 3, and one end of the upper cover 3 is pivotally connected to the box body 1; a plurality of air outlet holes 32 are arranged on the upper part of the upper cover 3, the air outlet holes 32 comprise through grooves 323 arranged on the upper cover 3, the bottom of the through grooves 323 is connected with a shading baffle 321, and side grooves 322 communicated with the through grooves 323 are arranged between the shading baffle and the upper cover 3. The through groove 323, the light shielding baffle 321 and the side groove 322 are combined to form an L-shaped air flow channel.

The utility model discloses a preferred embodiment, PTC heating element has good accuse temperature characteristic, and PTC heating element can be resistance grow when rising temperature, then with constancy of temperature in the temperature range of demand, dehumidifies to the time of settlement for the electronic product through the heating of PTC heating element, then the power cut-off. Furthermore, the dehumidification time can be preset to be 2-10 h, and the optimal dehumidification time is 6-8 h.

In a preferred embodiment of the present invention, the control circuit comprises a single chip microcomputer U1, a breathing lamp D1, a UV ultraviolet lamp D3 and a power interface 14, which are electrically connected to the single chip microcomputer U1; a driving circuit U3 is arranged between the single chip microcomputer U1 and the UV ultraviolet lamp D3, and a leakage-proof circuit is connected to the driving circuit U3. The driving circuit U3 is respectively connected with the leakage-proof circuit and the single chip microcomputer through the MOS tube Q2.

The utility model discloses a preferred embodiment, breathing lamp D1 chooses green LED luminotron D1 for use, and during operation LED luminotron D1 is permanent bright, and after the operating time of timing ended, by the singlechip U1 who connects LED luminotron D1 as PWM control circuit, singlechip U1's IO mouth produces reciprocal gradual change's PWM waveform, makes LED luminotron D1 gradually brighten and gradually darkens again, and the cyclic variation form is like breathing like this.

Specifically, as shown in fig. 7, the pins No. 2 and No. 4 of the single chip microcomputer U1 are connected with the USB interface and the power interface 14, ripple capacitor C1 and capacitor C2 are connected in parallel between pins No. 2 and No. 4, pin No. 2 is connected with VCC power supply, pin No. 4 is grounded, pin No. 3 of single chip microcomputer U1 is connected with LED D1 and then connected with resistance R1 in series and then connected with VCC power supply, pin No. 7 is LED out two paths, one path is connected with resistance R4 in series and then connected with VCC power supply, the other path is connected with C pole of triode Q3 of leakage-proof circuit and G pole of MOS tube Q2 respectively, pin No. 6 of single chip microcomputer U1 is LED out two paths, one path is connected with resistance R2 in series and then connected with VCC power supply, the other path is grounded after being connected with resistance R3 respectively, meanwhile, a path is led out and connected with the PTC heating element, the PTC heating element is controlled by an MOS tube Q1, and a protection diode is arranged in the direction of the D pole of the MOS tube Q1 and the S pole of the MOS tube Q1.

Specifically, pin 1 of the hall element U2 of the leakage-proof circuit is connected to a VCC power supply, pin 3 of the hall element U2 is connected to the VCC power supply after being connected in series with a resistor R5, pin 3 of the hall element U2 is also connected to the b-pole of the triode Q3, and the e-pole of the Q3 is grounded. The S-pole of the MOS transistor Q2 is grounded, and the D-pole of the MOS transistor Q2 is connected to the driver circuit U3. A protection diode is arranged between the D pole of the MOS transistor Q2 and the S pole of the MOS transistor Q2.

Specifically, a pin 2 of the driving circuit U3 is connected to a pole D of the MOS transistor Q2, a pin 4 of the driving circuit U3 is connected to a pin 6, and then connected to a pin 2 of the driving circuit U3, and connected to the capacitor C3, a connection terminal of the capacitor C3 to the pin 6 of the driving circuit U3 is connected to the VCC power supply, a pin 1 of the driving circuit U3 is connected to the inductor L1 and then connected to the VCC power supply, and a pin 1 of the driving circuit U3 is connected to the diode D2 and the capacitor C4 and then connected to a pin 2 of the driving circuit U3; pin 3 of the drive circuit U3 is connected with the cathode of the UV ultraviolet lamp D3, the cathode of the UV ultraviolet lamp D3 is connected with the resistor R8 in series and then divided into two paths, one path is connected with the capacitor C4, the other path is connected with pin 2 of the drive circuit U3, the anode of the UV ultraviolet lamp D3 is connected with the resistor R7 in series and then divided into two paths, one path is connected with the diode D2, and the other path is connected with the capacitor C4; pin No. 5 of the driving circuit U3 is connected to the cathode of the diode D2.

The utility model discloses application method: the upper cover 3 is opened, the electronic product is placed in the drying bin 2, the electronic product is supported by the bumps 111 on the middle partition layer 11, the upper cover 3 is covered, the power supply is plugged on the power supply interface 14, the heating element 113 generates heat, and the UV ultraviolet lamp D3 starts to work. Air heated by the PTC heating element is naturally convected into the drying bin 2 through a first air hole 112 arranged on the middle partition layer 11 to realize the drying treatment of the electronic product; the UV lamp D3 is used for sterilizing and disinfecting electronic products. The heating process is shown by the shading of the breathing light D1. The UV ultraviolet lamp D3 is connected with an anti-leakage circuit, the anti-leakage circuit is matched with a magnet 331 arranged on the upper cover 3 through a Hall element U2 arranged in the box body 1, when the upper cover 3 is opened, the magnet 331 is moved away from the Hall element U2, a magnetic field sensed nearby the Hall element U2 rapidly drops and is far lower than a conduction threshold value BOP, the output end of the Hall element U2 is cut off to output a high level, the triode Q3 is conducted to forcibly cut off the G pole level, the driving circuit U3 is closed, and the UV ultraviolet lamp D3 is extinguished. The magnet 331 moves away from the hall element U2 when the upper cover 3 is opened to control the output of the hall element U2, so that the drive circuit U3 of the UV ultraviolet lamp D3 is switched on and off, and leakage of ultraviolet light is prevented.

The above embodiment is only one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an electronic dryer with UV ultraviolet lamp, is provided with dry storehouse (2) in box body (1), dry storehouse (2) upper portion is provided with upper cover (3) that can move about from top to bottom, be provided with venthole (32) on upper cover (3), be provided with heating element (113), its characterized in that in box body (1): a middle partition layer (11) with a first air hole (112) is arranged in the drying bin (2), a heating element (113) with an automatic constant temperature function is arranged on the reverse side of the middle partition layer (11) in a hollow mode, a concave bottom buckle plate (5) is sleeved on the lower portion of the box body (1), and a second air hole (51) is formed in the bottom buckle plate (5); a UV ultraviolet lamp (D3) is arranged in the rear side wall of the drying bin (2); a control circuit is arranged in the box body (1), and the control circuit comprises a single chip microcomputer (U1), a breathing lamp (D1), a UV ultraviolet lamp (D3) and a power interface (14), wherein the breathing lamp (D1), the UV ultraviolet lamp and the power interface are electrically connected with the single chip microcomputer (U1); a driving circuit (U3) is arranged between the single chip microcomputer (U1) and the UV ultraviolet lamp (D3), and a leakage-proof circuit is connected to the driving circuit (U3).

2. The electronic dryer with UV lamp according to claim 1, characterized in that: at least one Hall element (U2) is arranged in the box body (1); the side edge of the upper cover (3) is provided with a containing groove (33) corresponding to the Hall element (U2), and a magnet (331) is arranged in the containing groove (33).

3. The electronic dryer with UV lamp according to claim 1, characterized in that: a supporting column (115) is arranged on the back of the middle interlayer (11), and a heating element (113) is fixedly arranged on the supporting column (115); the heating element (113) is a PTC heating element.

4. The electronic dryer with UV lamp according to claim 1, characterized in that: the surface of the middle interlayer (11) is also provided with a plurality of bumps (111).

5. The electronic dryer with UV lamp according to claim 1, characterized in that: the bottom surface of the bottom buckle plate (5) is provided with a bottom foot (52).

6. The electronic dryer with UV lamp according to claim 1, characterized in that: the air outlet (32) comprises a through groove (323) formed in the upper cover (3), a shading baffle (321) is connected to the bottom of the through groove (323), and a side groove (322) communicated with the through groove (323) is formed between the shading baffle (321) and the upper cover (3).

7. The electronic dryer with UV lamp according to claim 1, characterized in that: the rear end of the box body (1) is also provided with a breathing lamp (D1).

8. The electronic dryer with UV lamp according to claim 1, characterized in that: the rear of the box body (1) is also provided with a power interface (14).