CN113964618A - Method for manufacturing USB interface - Google Patents
Method for manufacturing USB interface Download PDFInfo
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- CN113964618A CN113964618A CN202111328083.3A CN202111328083A CN113964618A CN 113964618 A CN113964618 A CN 113964618A CN 202111328083 A CN202111328083 A CN 202111328083A CN 113964618 A CN113964618 A CN 113964618A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000005498 polishing Methods 0.000 claims abstract description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 11
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 claims description 3
- JMXCGRZQBOMCBD-UHFFFAOYSA-N magnesium;iron(3+);manganese(2+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Mg+2].[Mn+2].[Fe+3].[Fe+3] JMXCGRZQBOMCBD-UHFFFAOYSA-N 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6633—Structural association with built-in electrical component with built-in single component with inductive component, e.g. transformer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/717—Structural association with built-in electrical component with built-in light source
- H01R13/7175—Light emitting diodes (LEDs)
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
Abstract
The invention relates to the field of electronic accessories, in particular to a method for manufacturing a USB interface. The invention aims to solve the problems of instability and poor anti-interference capability of a USB interface. Carrying out insert injection molding on the pin group, and then welding the pin group with the circuit board to obtain a finished pin group; cutting, perforating, polishing and deburring the square pipe to obtain a metal shell; connecting the finished pin group with the metal shell in a welding mode to obtain a semi-finished USB interface; the temperature sensor is connected with the micro OLED display screen circuit, and then the micro OLED display screen is connected with the plastic shell in a dispensing mode to obtain a finished plastic upper shell; and assembling the finished plastic upper shell, the lower shell, the switch controller and the semi-finished USB interface to obtain the finished USB interface. The circuit board is designed to prevent electromagnetic interference, so that data transmission is more stable; and a switch controller, a temperature sensor and a micro OLED display screen are added, so that the functions of the USB interface are richer.
Description
Technical Field
The invention relates to the field of electronic accessories, in particular to a method for manufacturing a USB interface.
Background
Universal serial bus (usb) is a serial bus standard for connecting computer systems and external devices, and is also a technical specification of input/output interfaces.
The USB device has the characteristics of hot plug, portability, unified standard, and capability of supporting connection of multiple devices, and is therefore widely used in information communication products such as personal computers and mobile devices. The frequency of the USB interface used in daily life is very high, and the USB interface is not used in connection with a computer for data transmission or charging a mobile phone. However, because the frequency of the USB interface is high, once the USB interface fails, it will bring inconvenience to people and even may cause huge loss. The existing USB interface manufacturing technology has the problems that a manufactured USB interface is easy to loosen, easy to deform, poor in anti-interference capability and the like, so that data transmission is unstable, and the service life of the USB interface is shortened.
Disclosure of Invention
Therefore, it is necessary to provide a method for manufacturing a USB interface, which is used to solve the problems of unstable USB interface and poor interference resistance, improve the stability of the USB interface, and prolong the service life of the USB interface.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method of USB interface fabrication, the method comprising the steps of:
Preferably, the ferrite bead in step 1 is one of a magnesium manganese ferrite bead and a lithium manganese ferrite bead for reducing electromagnetic interference.
Preferably, the left and right sides of the lower surface of the upper shell of the finished plastic in the step 4 are provided with at least two clamping columns, the left and right sides of the upper surface of the lower shell are provided with at least two grooves matched with the clamping columns, the clamping columns at the bottom of the upper shell of the finished plastic are clamped into the grooves of the lower shell, and the upper shell of the finished plastic can be movably clamped with the lower shell through the clamping columns.
Preferably, the switch controller in step 5 is used for controlling the connection and disconnection of all circuits of the USB interface.
Preferably, the three indicator lights in step 4 are respectively: red LED lamp, yellow LED lamp and green LED lamp, red LED lamp can only send red light, and yellow LED lamp can only send yellow light, and green LED lamp can only send green light, and when the USB interface circular telegram, yellow LED lamp can light, and when not having data transmission, green LED lamp can light, and when data transmission, red LED lamp can light, and three pilot lamp is identical in appearance completely.
Preferably, in the step 4, the temperature sensor is DS18B20, the temperature sensor is used to measure the temperature of the USB interface, the temperature sensor transmits the measured temperature of the USB interface to the micro OLED display, and when the temperature sensor measures that the temperature of the USB interface is greater than a preset threshold, the USB host is notified and the switch controller is turned off, where the preset threshold is 60-70 ℃.
Preferably, the micro OLED display screen in step 4 is used for displaying the temperature and the transmission rate of the USB interface.
Preferably, the circuit of the switch controller in the step 5 passes through the circular hole on the front side, the circuit of the indicator light and the micro OLED display screen passes through the circular hole on the upper side, and the square hole is used for ventilation and heat dissipation of the USB interface.
The invention has the beneficial effects that: 1. according to the invention, the ferrite magnetic ring is connected in series with the VCC signal wire in the circuit board, so that the electromagnetic interference can be effectively reduced, and the USB transmission is more stable;
2. the switch controller is added, so that the communication of the circuit can be directly controlled by the switch controller, the USB equipment can be permanently inserted into the USB host, dust and water drops are prevented from entering the USB interface, and the service life of the USB interface is longer;
3. the indicating lamp is added, the yellow LED lamp is used for reflecting whether the USB interface is electrified or not, the green LED lamp is used for reflecting that the USB interface has no data transmission, the red LED lamp is used for reflecting that the USB interface has data transmission, and the working state of the USB interface can be directly seen by observing the indicating lamp;
4. the micro OLED display screen is added, the transmission rate of the USB for transmitting data is directly displayed, the temperature of the USB interface is displayed, the damage of USB equipment caused by the overheating of the USB interface can be reminded, and unnecessary property loss is avoided;
5. the pins and the plastic bottom plate are embedded and injected, so that the pins are not easy to fall off; the clamping groove of the plastic shell is matched with the barb of the metal shell, so that the USB connector is prevented from loosening; the whole design is more beautiful, the function is richer, the interference killing feature is stronger, the quality is better, more attractive eyeball.
Drawings
Fig. 1 is a three-dimensional structure diagram of the finished pin set of the present invention.
Fig. 2 is a three-dimensional structure diagram of the semi-finished USB interface according to the present invention.
Fig. 3 is a perspective view of the semi-finished USB interface of the present invention after rotating 180 degrees.
Fig. 4 is a perspective view showing the separation of the upper case and the lower case of the plastic casing according to the present invention.
Fig. 5 is a perspective view of the plastic housing of the present invention after the upper housing is rotated 180 degrees.
FIG. 6 is a three-dimensional structure diagram of the micro OLED display and the temperature sensor according to the present invention.
Fig. 7 is a perspective view of the switch controller of the present invention.
Fig. 8 is a perspective view of the USB interface according to the present invention.
Fig. 9 is a flowchart of a method for manufacturing a USB interface according to the present invention.
Description of reference numerals: 1. a circuit board; 2. a pin; 3. a ferrite bead; 4. a square hole; 5. a circular hole; 6. a barb; 7. clamping the column; 8. a strip-shaped groove; 9. a card slot; 10. a groove; 11. a stepped groove; 12. a micro OLED display screen; 13. a temperature sensor; 14. a switch controller; 15. a red LED lamp; 16. a green LED lamp; 17. a yellow LED lamp; 18. a metal housing; 19. an upper housing; 20. a lower housing.
Detailed description of the invention
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides a method for manufacturing a USB interface, which comprises the following steps:
as shown in fig. 1, step 1 is to provide a circuit board 1 and four pins 2, connect a VCC signal line in the circuit board to a ferrite magnetic ring 3 in series, arrange the four pins 2 in a straight line to obtain a pin group, perform insert injection molding on the pin group to obtain an injection molded pin group, and then weld the injection molded pin group to the circuit board 1 to obtain a finished pin group.
In a preferred embodiment of the present invention, a VCC signal line in the circuit board 1 is connected in series with a ferrite bead 3 for reducing electromagnetic interference; the ferrite bead can adopt one of a magnesium manganese ferrite bead and a lithium manganese ferrite bead.
as shown in fig. 2, two square holes 4 with a side length of 2mm are formed at the right side position of the upper side surface, and a circular hole with a diameter of 4mm is formed at the left side position of the upper side surface; a round hole 5 with the diameter of 4mm is arranged on the front side surface.
As shown in FIG. 3, two square holes 4 each having a side length of 2mm are formed in the right side of the lower side surface.
As shown in fig. 8, the circuit board 1 is connected to three indicator lights, which are respectively: the LED lamp comprises a red LED lamp 15, a green LED lamp 16 and a yellow LED lamp 17, wherein the red LED lamp 15 can only emit red light, the green LED lamp 16 can only emit green light, the yellow LED lamp 17 can only emit yellow light, and the three indicator lamps are completely consistent in appearance.
As shown in fig. 4, two clamping columns 7 are arranged on the left and right sides of the lower surface of the upper shell of the finished plastic, two grooves 10 matched with the clamping columns 7 are arranged on the left and right sides of the upper surface of the lower shell 20, the clamping columns 7 at the bottom of the upper shell of the finished plastic are clamped into the grooves 10 of the lower shell, and the upper shell of the finished plastic can be movably clamped with the lower shell 20 through the clamping columns 7.
The switch controller 14 is used for controlling the connection and disconnection of all circuits of the USB interface.
As shown in fig. 2 and 8, the wiring of the switch controller 14 passes through the circular hole 5 of the front side, and the wiring of the indicator lamp and the micro OLED display 12 passes through the circular hole 5 of the upper side.
Specifically, the temperature sensor 13 adopted by the invention is DS18B20, DS18B20 is a single-wire digital temperature sensor, a single-bus interface mode is adopted, when the single-bus temperature sensor is connected with a microprocessor, the two-way communication between the microprocessor and DS18B20 can be realized by only one port wire, and the single bus has the advantages of good economy, strong anti-interference capability, suitability for on-site temperature measurement in severe environment, convenience for use and the like; the DS18B20 has the advantages of being smaller in size, wider in applicable voltage, more economical, capable of selecting smaller packaging modes, wider in voltage application range and the like, and is suitable for being connected with the micro OLED display screen 12.
In a preferred embodiment of the present invention, the preset threshold is selected as 60 ℃, and when the temperature sensor 13 detects that the temperature of the USB interface is higher than the preset threshold, the USB host is notified, and a warning message popped up from the USB host can be seen, so that the USB interface is pulled out or the switch controller 14 is used to disconnect the USB interface from the USB host.
In a preferred embodiment of the present invention, the micro OLED display 12 is used to display the temperature and transmission rate of the USB interface.
Thus, the flow of the whole method is completed.
By combining with specific implementation, the USB interface has the advantages that the switch controller is added, so that the communication of the circuit can be directly controlled by the switch controller, the USB equipment can be permanently inserted into the USB host, dust and water drops are prevented from entering the USB interface, and the service life of the USB interface is longer; an indicator light is added, so that the working state of the USB interface is more visual; the micro OLED display screen is added, the transmission rate of the USB for transmitting data is directly displayed, the temperature of the USB interface is displayed, the damage of USB equipment caused by the overheating of the USB interface can be reminded, and unnecessary property loss is avoided; the pins and the plastic bottom plate are embedded and injected, so that the pins are not easy to fall off; the clamping groove of the plastic shell is matched with the barb of the metal shell, so that the USB connector is prevented from loosening; the overall design is more pleasing to the eye, and the stability of USB interface is better, and the quality is higher, the more attractive eyeball of outward appearance.
The invention is not described in detail, but is well known to those skilled in the art.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A method for manufacturing a USB interface is characterized by comprising the following steps:
step 1, providing a circuit board and four pins, connecting a VCC signal wire in the circuit board in series with a ferrite magnetic ring, arranging the four pins in a straight line to obtain a pin group, carrying out insert injection molding on the pin group to obtain an injection-molded pin group, and then welding the injection-molded pin group with the circuit board to obtain a finished pin group;
step 2, selecting a proper square pipe, polishing and then cutting, forming at least two square holes on the upper side surface and the lower side surface of the cut square pipe, forming circular holes on the upper side surface and the front side surface of the cut square pipe, and finally grinding and deburring the square pipe to obtain a metal shell;
step 3, connecting the finished pin group with the metal shell in a welding mode to obtain a semi-finished USB interface;
step 4, providing three indicator lamps, a temperature sensor and a micro OLED display screen, and performing injection molding to obtain a primary plastic shell, wherein the primary plastic shell is divided into an upper shell and a lower shell, and the upper shell and the lower shell are movably clamped; connecting the upper shell of the primary plastic shell with the three indicator lamps in a dispensing manner, wherein the circuit board is connected with the circuits of the three indicator lamps to obtain a semi-finished plastic upper shell; connecting a pin of the temperature sensor with an internal circuit of the micro OLED display screen, forming a through stepped groove in the middle of the semi-finished plastic upper shell, putting the micro OLED display screen into the stepped groove of the semi-finished plastic upper shell to obtain a finished plastic upper shell, wherein the circuit board is in circuit connection with the micro OLED display screen;
step 5, providing a switch controller, wherein at least two barbs are arranged on the left side of the metal shell, a clamping groove matched with the barbs is formed in the lower shell, stepped strip-shaped grooves are formed in the bottom of the front side of the upper shell and the top of the front side of the lower shell of the finished plastic, the inner length of each strip-shaped groove is larger than the outer length of each strip-shaped groove, the barbs on the semi-finished USB interface are clamped into the clamping groove of the lower shell, the switch controller is placed in the strip-shaped grooves of the lower shell, the upper portion of the switch controller is movably clamped with the upper shell of the finished plastic, the upper portion and the lower portion of the switch controller are located in the strip-shaped grooves of the upper shell of the finished plastic, the switch controller can be clamped by the strip-shaped grooves on the upper side and the lower side, and the finished USB interface is finally obtained; the circuit board is electrically connected with the switch controller.
2. The method as claimed in claim 1, wherein the ferrite bead in step 1 is one of a magnesium manganese ferrite bead and a lithium manganese ferrite bead for reducing electromagnetic interference.
3. The method according to claim 2, wherein the upper plastic shell in step 4 has at least two locking posts on both left and right sides of the lower surface, and the lower plastic shell has at least two grooves on both left and right sides of the upper surface, and the locking posts on the bottom of the upper plastic shell are locked into the grooves of the lower plastic shell, and the upper plastic shell can be locked to the lower plastic shell via the locking posts.
4. The method for manufacturing a USB interface according to claim 3, wherein the switch controller in step 5 is used to control the connection and disconnection of all circuits of the USB interface.
5. The method for manufacturing the USB interface according to claim 4, wherein the three indicator lights in step 4 are respectively: red LED lamp, yellow LED lamp and green LED lamp, red LED lamp can only send red light, and yellow LED lamp can only send yellow light, and green LED lamp can only send green light, and when the USB interface circular telegram, yellow LED lamp can light, and when not having data transmission, green LED lamp can light, and when data transmission, red LED lamp can light, and three pilot lamp is identical in appearance completely.
6. The method for manufacturing the USB interface according to claim 5, wherein in step 4, the temperature sensor is DS18B20, the temperature sensor is used to measure the temperature of the USB interface, the temperature sensor transmits the measured temperature of the USB interface to the micro OLED display, and when the temperature sensor measures that the temperature of the USB interface is greater than a preset threshold, the USB host is notified and the switch controller is turned to the off state, and the preset threshold ranges from 60 ℃ to 70 ℃.
7. The method for manufacturing a USB interface according to claim 6, wherein the micro OLED display in step 4 is used to display the temperature and the transmission rate of the USB interface.
8. The method according to claim 7, wherein in step 5, the circuit of the switch controller passes through the circular hole on the front side, the circuit of the indicator light and the micro OLED display screen passes through the circular hole on the upper side, and the square hole is used for ventilation and heat dissipation of the USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111328083.3A CN113964618A (en) | 2021-11-10 | 2021-11-10 | Method for manufacturing USB interface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111328083.3A CN113964618A (en) | 2021-11-10 | 2021-11-10 | Method for manufacturing USB interface |
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| CN113964618A true CN113964618A (en) | 2022-01-21 |
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| CN202111328083.3A Pending CN113964618A (en) | 2021-11-10 | 2021-11-10 | Method for manufacturing USB interface |
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