CN209420015U - Multi-function extension circuit board - Google Patents
Multi-function extension circuit board Download PDFInfo
- Publication number
- CN209420015U CN209420015U CN201821970236.8U CN201821970236U CN209420015U CN 209420015 U CN209420015 U CN 209420015U CN 201821970236 U CN201821970236 U CN 201821970236U CN 209420015 U CN209420015 U CN 209420015U
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- circuit board
- interface
- contact pin
- battery holder
- mounting hole
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Abstract
The utility model provides a kind of Multi-function extension circuit board, including circuit board, battery holder, groove profile socket, at least two groups contact pin interface, at least two mounting hole groups, the battery holder is set to the middle part of the circuit board, the groove profile socket is set to the side of the battery holder, two groups of contact pin interfaces are set to the other side of the battery holder, and the mounting hole is set to the edge of circuit board.The utility model has the beneficial effects that: it is simple to provide a kind of structure, rationally distributed Multi-function extension circuit board, highest battery holder is set among circuit board by the expander board, secondary high groove profile socket and contact pin interface are set to the two sides of battery holder, short device is set to the edge of circuit board again, it is effectively utilized battery holder, protection of the height of groove profile socket and contact pin interface to short device, simultaneously because battery is set among circuit board, it ensure that the steadily of centre of gravity of circuit board, in addition battery holder can also have supporting role to the circuit board of insertion groove profile socket.
Description
Technical field
The utility model relates to a kind of board structure of circuit technical fields, refer in particular to a kind of Multi-function extension circuit board.
Background technique
Microbit is the single-chip microcontroller of a ARM framework designed by Britain BBC, onboard bluetooth, accelerometer, electronics sieve
Disk, three buttons, 5 × 5LED dot matrix are mainly used for teen-age programming education.Existing Microbit expander board exists
The problem that scalability is insufficient, power supply mode is cumbersome and installation is complicated.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiencies of the prior art, providing a kind of structurally reasonable easy
In the Microbit expander board of installation.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows: a kind of Multi-function extension circuit board,
Including circuit board, battery holder, groove profile socket, at least two groups contact pin interface, at least two mounting hole groups, the battery holder is set to
The middle part of the circuit board, the groove profile socket are set to the side of the battery holder, and two groups of contact pin interfaces are set to institute
The other side of battery holder is stated, the mounting hole group is set to the edge of circuit board.
Further, the contact pin interface includes that two groups of motor contact pin interfaces, I O pins interface and servo driving contact pin connect
Mouthful, two groups of motor contact pin interfaces are respectively arranged at the two sides of the circuit board, and the I O pins interface and servo driving contact pin connect
Mouth is all set between two groups of motor contact pin interfaces.
It further, including further include buzzer, the buzzer is set to the I O pins interface and servo driving is inserted
Between needle interface.
Further, the height of the battery holder is higher than the contact pin interface and groove profile socket.
It further, further include LED lamp bead, the LED lamp bead is set to the circuit board close to the side of groove profile socket.
It further, further include USB interface, power interface, battery power-on switch and indicator light, the USB interface, power supply
Interface, battery power-on switch and indicator light are all set in circuit board close to contact pin interface side.
It further, further include reset switch, the reset switch is set to the circuit board close to the one of groove profile socket
Side.
Further, the mounting hole includes M3 mounting hole and Le Gao mounting hole, and the M3 mounting hole is uniformly arranged on institute
The quadrangle for stating circuit board, the pitch of holes between two high mounting holes of pleasure of the circuit board length direction are the whole of 8mm
Several times, the integral multiple that the pitch of holes between two high mounting holes of pleasure in the width of circuit board direction is 8mm.
The utility model has the beneficial effects that: providing, a kind of structure is simple, rationally distributed Multi-function extension circuit
Highest battery holder is set among circuit board by plate, the expander board, and secondary high groove profile socket and contact pin interface are set to
The two sides of battery holder, then short device is set to the edge of circuit board, it is effectively utilized battery holder, groove profile socket and contact pin and connects
Protection of the height of mouth to short device ensure that the steadily of centre of gravity of circuit board simultaneously because battery is set among circuit board,
In addition battery holder can also have supporting role to the circuit board of insertion groove profile socket.
Detailed description of the invention
The specific structure of the utility model is described in detail with reference to the accompanying drawing:
Fig. 1 is the overall structure diagram of the Multi-function extension circuit board of the utility model；
Fig. 2 is the assembling schematic diagram of the Multi-function extension circuit board of the utility model；
1- battery holder；2- groove profile socket；3- contact pin interface；31- motor contact pin interface；4- buzzer；5-USB interface；6-
Battery power-on switch；7- external power interface；8-；9-LED lamp bead；11-M3 mounting hole；The happy high mounting hole of 12-；
100- circuit board；200-Microbit circuit board；300- battery.
Specific embodiment
For technology contents, the construction feature, the objects and the effects that the utility model is described in detail, below in conjunction with implementation
Mode simultaneously cooperates attached drawing to be explained in detail.
Embodiment 1
Please refer to Fig. 1 and Fig. 2, a kind of Multi-function extension circuit board, including battery holder 1, groove profile socket 2, at least two groups
Contact pin interface 3, at least two groups mounting hole, the battery holder 1 are set to the middle part of circuit board, and the groove profile socket 2 is set to institute
The side of battery holder 1 is stated, two groups of contact pin interfaces 3 are set to the other side of the battery holder 1, and the mounting hole is set to electricity
The edge of road plate.
In the present embodiment, battery holder is set in the middle part of expander board, after loading onto battery, power supply line can be detached from, be slotting
The Microbit circuit board 200 of slot-in type socket is powered, and removes the trouble of external power supply from, and groove profile socket is set to battery holder
Front side, on the one hand the battery in battery holder is protected from front, on the one hand also can use battery holder to Microbit
Circuit board 200 is supported, and prevents external force from breaking slot holder bad.Contact pin interface is set at battery holder rear, on the one hand can be facilitated
Extension patches, on the other hand can Leveraging Extensions circuit board center of gravity.Two groups of mounting holes are all set in the edge of circuit board.
As can be seen from the above description, the utility model has the beneficial effects that: to provide a kind of structure simple, it is rationally distributed
Highest battery holder is set among circuit board by Multi-function extension circuit board, the expander board, by secondary high groove profile socket and
Contact pin interface is set to the two sides of battery holder, then short device is set to the edge of circuit board, is effectively utilized battery holder, slot
The height of type socket and contact pin interface ensure that electricity simultaneously because battery is set among circuit board to the protection of short device
The steadily of centre of gravity of road plate, in addition battery holder can also have supporting role to the circuit board of insertion groove profile socket.
Embodiment 2
On the basis of embodiment 1, the contact pin interface 3 includes two groups of motor contact pin interfaces 31, I O pins interface and rudder
Machine drives contact pin interface, and two groups of motor contact pin interfaces 31 are respectively arranged at the two sides of the circuit board, the I O pins interface and
Servo driving contact pin interface is all set between two groups of motor contact pin interfaces 31.
In the present embodiment, in order to facilitate wiring, motor contact pin interface is set to the symmetrical two sides of circuit board, in order to increase
The scalability of expander board, 3PIN yellow red-black colored row needle of the I O pins interface using 2.54mm spacing, I O pins
Interface facilitates user's grafting common sensor on the market, in addition also expands 5V and GND and arranges needle, facilitates the biography of user's grafting 5V
Sensor.Go out 8 road servo driving contact pin interfaces additionally by I2C protocol extension, and using the 3PIN Huang for being 2.54mm spacing
Red-black colored row's needle, is arranged in the opposite side for being distributed in I O pins interface, achievees the effect that visual balance, greatly improve user
Experience.
Embodiment 3
On the basis of embodiment 2, including further include buzzer 4, the buzzer 4 be set to the I O pins interface and
Between servo driving contact pin interface.
In the present embodiment, buzzer uses SMD components, and setting is entreated in the circuit board, the IO positioned at the rear of battery holder
Between contact pin interface and servo driving contact pin interface, by the high and low fall of battery holder and contact pin interface, can to buzzer into
Row protection comprehensively, makes buzzer be not easy to be collided with by other objects.
Embodiment 4
On the basis of embodiment 3, the height of the battery holder 1 is higher than the contact pin interface 3 and groove profile socket 2.
In the present embodiment, high battery holder can be influenced by external force to avoid contact pin interface or groove profile socket and be damaged, excellent
The battery holder of choosing is 18650 type battery holders.
Embodiment 5
It further include LED lamp bead 9 on the basis of embodiment 4, the LED lamp bead 9 is set to the circuit board close to groove profile
The side of socket 2.
In the present embodiment, before LED light is disposed side by side on groove profile socket, color lamp function can be extended for Microbit, because
It is arranged in front of groove profile socket, preferable perception experience can be provided.Preferred LED lamp bead is RGB LED lamp pearl.
Embodiment 6
It further include USB interface 5, power interface 7, battery power-on switch 6 and indicator light on the basis of embodiment 5, it is described
USB interface 5, power interface 7, battery power-on switch 6 and indicator light are all set in circuit board close to 3 side of contact pin interface.
In the present embodiment, USB charge port, external power interface, battery power-on switch and 3 are set in expanded circuit postlaminar part
LED lamp indicator light facilitates the same direction socket power, plays beauty function, and switch and open conveniently.Wherein 3 LED
Lamp indicator light is power supply indicator, charging indicator light respectively, full of indicator light.
Embodiment 7
It further include reset switch 8 on the basis of embodiment 6, the reset switch 8 is set to the circuit board close to slot
The side of type socket 2.
In the present embodiment, expander board further includes battery charge/discharge protection circuit, is equipped with reset switch on battery holder side,
When short circuit occurs for circuit, protection circuit just will do it work, after user's debugging.After pressing reset switch, expansion board is extensive
Multiple normal mode of operation.
Embodiment 8
On the basis of embodiment 7, the mounting hole includes M3 mounting hole 11 and Le Gao mounting hole 12, the M3 mounting hole
11 are uniformly arranged on the quadrangle of the circuit board, between two high mounting holes 12 of pleasure of the circuit board length direction
Pitch of holes is the integral multiple of 8mm, and the pitch of holes between two high mounting holes 12 of pleasure in the width of circuit board direction is
The integral multiple of 8mm.
In the present embodiment, the hole location of M3 mounting hole is adapted to expander board mounting base, can also be installed with other external members
It is applied in combination, happy high mounting hole is used to be connected to happy high toy by happy high pin member, and the aperture of happy high mounting hole is
4.8mm, the integral multiple that the pitch of holes between two high mounting holes of pleasure of the circuit board length direction is 8mm, along institute
State the integral multiple that the pitch of holes between two high mounting holes of pleasure in width of circuit board direction is 8mm.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of Multi-function extension circuit board, it is characterised in that: including circuit board, battery holder, groove profile socket, at least two groups contact pin
Interface, at least two mounting hole groups, the battery holder are set to the middle part of the circuit board, and the groove profile socket is set to described
The side of battery holder, two groups of contact pin interfaces are set to the other side of the battery holder, and the mounting hole is set to circuit board
Edge.
2. Multi-function extension circuit board as described in claim 1, it is characterised in that: the contact pin interface includes that two groups of motors are inserted
Needle interface, I O pins interface and servo driving contact pin interface, two groups of motor contact pin interfaces are respectively arranged at the two of the circuit board
Side, the I O pins interface and servo driving contact pin interface are all set between two groups of motor contact pin interfaces.
3. Multi-function extension circuit board as claimed in claim 2, it is characterised in that: including further including buzzer, the buzzing
Device is set between the I O pins interface and servo driving contact pin interface.
4. Multi-function extension circuit board as claimed in claim 3, it is characterised in that: the height of the battery holder is higher than described insert
Needle interface and groove profile socket.
5. Multi-function extension circuit board as claimed in claim 4, it is characterised in that: it further include LED lamp bead, the LED lamp bead
The circuit board is set to close to the side of groove profile socket.
6. Multi-function extension circuit board as claimed in claim 5, it is characterised in that: further include USB interface, power interface, electricity
Pond power-on switch and indicator light, the USB interface, power interface, battery power-on switch and indicator light are all set in circuit board and lean on
Nearly contact pin interface side.
7. Multi-function extension circuit board as claimed in claim 6, it is characterised in that: further include reset switch, the reset is opened
Pass is set to the circuit board close to the side of groove profile socket.
8. Multi-function extension circuit board as claimed in claim 7, it is characterised in that: the mounting hole includes M3 mounting hole and pleasure
High mounting hole, the M3 mounting hole are uniformly arranged on the quadrangle of the circuit board, along two institutes of the circuit board length direction
The integral multiple that the pitch of holes between happy high mounting hole is 8mm is stated, two happy high installations along the width of circuit board direction
The integral multiple that pitch of holes between hole is 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821970236.8U CN209420015U (en) | 2018-11-27 | 2018-11-27 | Multi-function extension circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821970236.8U CN209420015U (en) | 2018-11-27 | 2018-11-27 | Multi-function extension circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209420015U true CN209420015U (en) | 2019-09-20 |
Family
ID=67935596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821970236.8U Active CN209420015U (en) | 2018-11-27 | 2018-11-27 | Multi-function extension circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209420015U (en) |
-
2018
- 2018-11-27 CN CN201821970236.8U patent/CN209420015U/en active Active
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| GR01 | Patent grant |