CN208284120U - A kind of New Type of Chip Microcomputer development board - Google Patents
A kind of New Type of Chip Microcomputer development board Download PDFInfo
- Publication number
- CN208284120U CN208284120U CN201721528813.3U CN201721528813U CN208284120U CN 208284120 U CN208284120 U CN 208284120U CN 201721528813 U CN201721528813 U CN 201721528813U CN 208284120 U CN208284120 U CN 208284120U
- Authority
- CN
- China
- Prior art keywords
- resistance
- pin
- electrically connected
- development board
- comparator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Control Of Ac Motors In General (AREA)
Abstract
The utility model discloses a kind of New Type of Chip Microcomputer development boards, including development board main body, microprocessor is installed at the top of the development board main body, voltage detection module, voltage self-adjustment module and power input port, the voltage self-adjustment module includes the shell for being welded on development board body top, and sliding transformer is fixedly installed in the top inner wall of shell, sliding transformer includes fixed terminals and coil, fixed terminals are electrically connected by the voltage input end of conducting wire and microprocessor, the lower section of sliding transformer is equipped with the fixed block being fixedly mounted with housing bottom inner wall, and square type slot is offered at the top of fixed block.The utility model is economical and practical, and the coil access microprocessor on slide resistor and the resistance between power input port can be adjusted according to actual needs, ensure that the stability of microprocessor input voltage, avoids microprocessor and be damaged.
Description
Technical field
The utility model relates to microcontroller development board technical field more particularly to a kind of New Type of Chip Microcomputer development boards.
Background technique
Microcontroller development board is the single chip computer experiment equipment for learning single-chip microcontroller, and microcontroller development board makes according to single-chip microcontroller
Model is divided into 51 microcontroller development boards, STC microcontroller development board, SH microcontroller development board and AVR single chip development board,
SH microcontroller development board is that microcontroller development board is one such, and with the continuous development of science and technology, user opens single-chip microcontroller
More stringent requirements are proposed for the use of hair plate, and existing microcontroller development board lacks automatic Regulation function, works as microcontroller development board
Input voltage it is unstable when, the input voltage of the microprocessor in microcontroller development board will receive large effect, and then not
Conducive to the normal operation of microprocessor.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of New Type of Chip Microcomputer proposed
Development board.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of New Type of Chip Microcomputer development board, including development board main body are equipped with micro process at the top of the development board main body
Device, voltage detection module, voltage self-adjustment module and power input port, the voltage self-adjustment module include being welded on
The shell of development board body top, and sliding transformer is fixedly installed in the top inner wall of shell, sliding transformer includes solid
Determine terminals and coil, fixed terminals are electrically connected by the voltage input end of conducting wire and microprocessor, slide transformer
Lower section is equipped with the fixed block that is fixedly mounted with housing bottom inner wall, and square type slot is offered at the top of fixed block, square type slot it is interior
Portion is placed with sliding seat, and the sliding conduction piece with coil sliding contact, and sliding conduction piece are fixedly installed at the top of sliding seat
It is electrically connected by conducting wire and power input port, the side of sliding seat is equipped with the driving being fixedly mounted with fixed block top side
Motor, and be welded on the output shaft of driving motor with sliding seat screw thread installation shaft, one end of shaft be rotatably equipped with
The rotation seat that the other side is fixedly mounted at the top of fixed block, the rotating forward control terminal of driving motor are electrically connected with the first flip chip,
And first flip chip be welded on the top of development board main body, the reversion control terminal of driving motor is electrically connected with the second triggering core
Piece, and the second flip chip is welded on the top of development board main body；
The voltage acquisition end of microprocessor is electrically connected with the input terminal of voltage acquisition chip U1, and voltage acquisition chip U1
The inside of voltage detection module is set, and the output end of voltage acquisition chip U1 is electrically connected with one end of resistance R1, and resistance
The other end of R1 is electrically connected with one end of resistance R2 and the pin 2 of amplifier U2, and the pin 3 of amplifier U2 is electrically connected with electricity
One end of R3 is hindered, and the pin 4 of the other end of resistance R3 and amplifier U2 are grounded, the pin 7 of amplifier U2 is electrically connected with
3.3V power supply, the pin 5 of amplifier U2 are electrically connected with the other end of resistance R2 and the pin 1 of coupler T, and coupler T's draws
Foot 2 and pin 4 are grounded, and the pin 3 of coupler T is electrically connected with the pin 3 of comparator U3, the sliding end of resistance R4, ratio
The sliding end of pin 2 and resistance R5 compared with device U4, the pin 2 of comparator U3 and the pin 3 of comparator U4 are electrically connected with same
A reference voltage port, the pin 7 of comparator U3 is electrically connected with 3.3V power supply, and the pin 4 of comparator U3 is grounded, comparator
The pin 5 of U3 is electrically connected with the first fixing end of resistance R4, and the second fixing end of resistance R4 and the first flip chip are electrical
Connection, the pin 7 of comparator U4 is electrically connected with 3.3V power supply, and the pin 4 of comparator U4 is grounded, the pin 5 of comparator U4
It is electrically connected with the first fixing end of resistance R5, and the second fixing end of resistance R5 and the second flip chip are electrically connected.
Preferably, the microprocessor is the single-chip microcontroller of sh79f0819m model, and microprocessor is welded on development board master
The top of body.
Preferably, the coupler T is photoelectrical coupler, and the model TLP521-3 of coupler T.
Preferably, the amplifier U2 is analog computing amplifier, and the model OP777 of amplifier U2, the comparison
The model of device U3 and comparator U4 are LM393.
Preferably, the specification of first flip chip and the second flip chip is identical, and the first flip chip and second
The model of flip chip is TCA785.
Preferably, the resistance value of the resistance R1, resistance R2, resistance R3, resistance R4 and resistance R5 are followed successively by 1.5K Ω, 18K
Ω, 1.5K Ω, 20K Ω and 20K Ω.
Preferably, tapped through hole is offered in the sliding seat, and tapped through hole is engaged with the arc being arranged on the outside of shaft
Type screw thread, the two sides of sliding seat are embedded with ball, and sliding seat is rolled by the side wall of ball and square type slot and connected.
In the utility model, pass through microprocessor, voltage detection module, first in a kind of New Type of Chip Microcomputer development board
Flip chip, the second flip chip and driving motor match, and voltage detection module by voltage checking chip U1, resistance R1,
Resistance R2, amplifier U2, resistance R3, coupler T, comparator U3, resistance R4, comparator U4 and resistance R5 composition, when voltage is examined
When the voltage that survey chip U1 is detected is higher than the voltage of reference voltage port, comparator U3 exports high level, at this time comparator U4
Low level is exported, the first flip chip is triggered, and microprocessor controls driving motor and rotates forward, if voltage checking chip U1 is detected
Voltage be lower than reference voltage port voltage when, comparator U3 export low level, at this time comparator U4 export high level, second
Flip chip is triggered, and microprocessor controls driving motor reversion, passes through driving motor, shaft, camber screw thread, sliding seat, spiral shell
Line through-hole, sliding conduction piece, coil, link seat, microprocessor and power input port match, and driving motor is activated
When, driving motor drives the sliding conduction piece in sliding seat to be slided on coil, so that coil access microprocessor and electricity
Resistance between the input port of source can be adjusted according to actual needs, ensure that the stability of microprocessor input voltage,
The utility model is economical and practical, and the resistance between coil on slide resistor access microprocessor and power input port can be with
It is adjusted according to actual needs, ensure that the stability of microprocessor input voltage, avoid microprocessor and be damaged.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of New Type of Chip Microcomputer development board overlooking structure diagram；
Fig. 2 be the utility model proposes a kind of New Type of Chip Microcomputer development board in voltage self-adjustment module diagrammatic side-view cross-sectional
Figure；
Fig. 3 be the utility model proposes a kind of New Type of Chip Microcomputer development board in voltage detection module internal circuit diagram.
In figure: 1 development board main body, 2 microprocessors, 3 voltage detection modules, 4 first flip chips, 5 second flip chips,
6 voltage self-adjustment modules, 7 power input ports, 8 shells, 9 sliding transformers, 10 fixed terminals, 11 coils, 12 are fixed
Block, 13 square type slots, 14 driving motors, 15 shafts, 16 rotation seats, 17 camber screw threads, 18 sliding seat, 19 balls, 20 sliding conductions
Piece.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of New Type of Chip Microcomputer development board, including development board main body 1, the top installation of development board main body 1
There are microprocessor 2, voltage detection module 3, voltage self-adjustment module 6 and power input port 7, voltage self-adjustment module 6
Including being welded on the shell 8 at 1 top of development board main body, and sliding transformer 9 is fixedly installed in the top inner wall of shell 8, it is sliding
Dynamic transformer 9 includes fixed terminals 10 and coil 11, and fixed terminals 10 pass through the voltage input end of conducting wire and microprocessor 2
It being electrically connected, the lower section of sliding transformer 9 is equipped with the fixed block 12 that is fixedly mounted with 8 bottom interior wall of shell, and fixed block 12
Top offers square type slot 13, and the inside of square type slot 13 is placed with sliding seat 18, and the top of sliding seat 18 is fixedly installed with and line
The sliding conduction piece 20 of 11 sliding contacts is enclosed, and sliding conduction piece 20 is electrically connected by conducting wire and power input port 7, activity
The side of seat 18 is equipped with the driving motor 14 being fixedly mounted with 12 top side of fixed block, and welds on the output shaft of driving motor 14
It is connected to the shaft 15 with the installation of 18 screw thread of sliding seat, one end of shaft 15 is rotatably equipped with to be fixed with the 12 top other side of fixed block
The rotation seat 16 of installation, the rotating forward control terminal of driving motor 14 are electrically connected with the first flip chip 4, and the first flip chip 4
It is welded on the top of development board main body 1, the reversion control terminal of driving motor 14 is electrically connected with the second flip chip 5, and second
Flip chip 5 is welded on the top of development board main body 1；The voltage acquisition end of microprocessor 2 is electrically connected with voltage acquisition chip
The input terminal of U1, and the inside of voltage detection module 3, the output end electricity of voltage acquisition chip U1 is arranged in voltage acquisition chip U1
Property is connected with one end of resistance R1, and the other end of resistance R1 is electrically connected with one end of resistance R2 and the pin 2 of amplifier U2,
The pin 3 of amplifier U2 is electrically connected with one end of resistance R3, and the other end of resistance R3 and the pin 4 of amplifier U2 connect
Ground, the pin 7 of amplifier U2 are electrically connected with 3.3V power supply, and the pin 5 of amplifier U2 is electrically connected with the other end of resistance R2
With the pin 1 of coupler T, the pin 2 and pin 4 of coupler T is grounded, and the pin 3 of coupler T is electrically connected with comparator
The pin 3 of U3, the sliding end of resistance R4, the pin 2 of comparator U4 and resistance R5 sliding end, the pin 2 of comparator U3 and ratio
Pin 3 compared with device U4 is electrically connected with the same reference voltage port, and the pin 7 of comparator U3 is electrically connected with 3.3V power supply,
And the pin 4 of comparator U3 is grounded, the pin 5 of comparator U3 is electrically connected with the first fixing end of resistance R4, and resistance R4
Second fixing end and the first flip chip 4 are electrically connected, and the pin 7 of comparator U4 is electrically connected with 3.3V power supply, and comparator
The pin 4 of U4 is grounded, and the pin 5 of comparator U4 is electrically connected with the first fixing end of resistance R5, and the second of resistance R5 is fixed
End is electrically connected with the second flip chip 5, is triggered by microprocessor 2, voltage detection module 3, the first flip chip 4, second
Chip 5 and driving motor 14 match, and voltage detection module 3 is by voltage checking chip U1, resistance R1, resistance R2, amplifier
U2, resistance R3, coupler T, comparator U3, resistance R4, comparator U4 and resistance R5 composition, when voltage checking chip U1 is detected
Voltage be higher than reference voltage port voltage when, comparator U3 export high level, at this time comparator U4 export low level, first
Flip chip 4 is triggered, and microprocessor 2 controls driving motor 14 and rotates forward, if the voltage that voltage checking chip U1 is detected is lower than
When the voltage of reference voltage port, comparator U3 exports low level, and comparator U4 exports high level, the second flip chip 5 at this time
Be triggered, microprocessor 2 control driving motor 14 invert, by driving motor 14, shaft 15, camber screw thread 17, sliding seat 18,
Tapped through hole, sliding conduction piece 20, coil 11, link seat 10, microprocessor 2 and power input port 7 match, driving
When motor 14 is activated, driving motor 14 drives the sliding conduction piece 20 in sliding seat 18 to be slided on coil 11, so that
The resistance that coil 11 accesses between microprocessor 2 and power input port 7 can be adjusted according to actual needs, ensure that micro-
The stability of 2 input voltage of processor, the utility model is economical and practical, and the coil 11 on slide resistor 9 accesses microprocessor 2
Resistance between power input port 7 can be adjusted according to actual needs, ensure that the steady of 2 input voltage of microprocessor
It is qualitative, it avoids microprocessor 2 and is damaged.
In the utility model, microprocessor 2 is the single-chip microcontroller of sh79f0819m model, and microprocessor 2 is welded on exploitation
The top of plate main body 1, coupler T is photoelectrical coupler, and the model TLP521-3 of coupler T, amplifier U2 are simulation fortune
Amplifier is calculated, and the model of the model OP777 of amplifier U2, comparator U3 and comparator U4 are LM393, the first triggering core
Piece 4 is identical with the specification of the second flip chip 5, and the model of the first flip chip 4 and the second flip chip 5 is TCA785,
Resistance R1, resistance R2, resistance R3, resistance R4 and resistance R5 resistance value be followed successively by 1.5K Ω, 18K Ω, 1.5K Ω, 20K Ω and 20K
Ω offers tapped through hole in sliding seat 18, and tapped through hole is engaged with the camber screw thread 17 that 15 outside of shaft is arranged in, activity
The two sides of seat 18 are embedded with ball 19, and sliding seat 18 is rolled by the side wall of ball 19 and square type slot 13 and connected, by micro-
Processor 2, voltage detection module 3, the first flip chip 4, the second flip chip 5 and driving motor 14 match, and voltage is examined
Module 3 is surveyed by voltage checking chip U1, resistance R1, resistance R2, amplifier U2, resistance R3, coupler T, comparator U3, resistance
R4, comparator U4 and resistance R5 composition, when the voltage that voltage checking chip U1 is detected is higher than the voltage of reference voltage port,
Comparator U3 exports high level, and comparator U4 exports low level at this time, and the first flip chip 4 is triggered, and the control of microprocessor 2 is driven
Dynamic motor 14 rotates forward, if the voltage that voltage checking chip U1 is detected is lower than the voltage of reference voltage port, comparator U3 is defeated
Low level out, comparator U4 exports high level at this time, and the second flip chip 5 is triggered, and it is anti-that microprocessor 2 controls driving motor 14
Turn, by driving motor 14, shaft 15, camber screw thread 17, sliding seat 18, tapped through hole, sliding conduction piece 20, coil 11, consolidates
Determine junction block 10, microprocessor 2 and power input port 7 to match, when driving motor 14 is activated, driving motor 14, which drives, lives
Sliding conduction piece 20 on dynamic seat 18 is slided on coil 11, so that coil 11 accesses microprocessor 2 and power input
Resistance between mouth 7 can be adjusted according to actual needs, ensure that the stability of 2 input voltage of microprocessor, this is practical
Novel economizer is practical, and coil 11 on slide resistor 9 accesses the resistance between microprocessor 2 and power input port 7 can be with
It is adjusted according to actual needs, ensure that the stability of 2 input voltage of microprocessor, avoid microprocessor 2 and be damaged.
In the utility model, voltage checking chip U1 carries out real-time monitoring, voltage inspection to the voltage acquisition end of microprocessor 2
It surveys analog voltage signal transmitted by chip U1 and is transferred to progress analog signal amplification, amplifier in amplifier U2 by resistance R1
Amplified analog voltage signal is transported in coupler T by U2 be converted into digital voltage signal, and coupler T will be digital electric
Pressure signal is respectively delivered on the pin 3 of comparator U3 and the pin 2 of comparator U4, the number that comparator U3 sends coupler T
Word voltage signal is compared with the voltage signal of reference voltage port, while the number electricity that comparator U4 sends coupler T
Pressure signal is compared with the voltage signal of reference voltage port, if the digital voltage signal that coupler T is sent is greater than reference
The voltage signal of voltage port, comparator U3 export high level, and comparator U4 exports low level, the height electricity that comparator U3 is exported
Flat to trigger to the first flip chip 4, the first flip chip 4 control driving motor 14 is rotated forward, and driving motor 14 drives
Shaft 15 is rotated forward on rotation seat 16, due to the tapped through hole phase on the camber screw thread 17 and sliding seat 18 in 15 outside of shaft
Engagement, shaft 15 drive sliding seat 18 to carry out position movement in the inside of square type slot 13, and sliding seat 18 drives sliding conduction piece 20
It is slided on coil 11, so that the distance between sliding seat 18 and driving motor 14 gradually become smaller, on slide resistor 9
The resistance that coil 11 accesses between microprocessor 2 and power input port 7 becomes larger, and then slide rheostat 9 is got
Voltage is gradually increased, until coupler T send digital voltage signal it is equal with the voltage signal of reference voltage port, drive at this time
Dynamic 14 break-off of motor；If the digital voltage signal that coupler T is sent is less than the voltage signal of reference voltage port, compare
Device U3 exports low level, and comparator U4 exports high level, and the high level that comparator U4 is exported touches the second flip chip 5
Hair, the second flip chip 5 control driving motor 14 are inverted, and driving motor 14 drives shaft 15 to carry out on rotation seat 16 instead
Turn, since the tapped through hole on the camber screw thread 17 and sliding seat 18 in 15 outside of shaft is meshed, shaft 15 drives sliding seat 18
Position movement is carried out in the inside of square type slot 13, sliding seat 18 drives sliding conduction piece 20 to be slided on coil 11, so that
The distance between sliding seat 18 and driving motor 14 become larger, and the coil 11 on slide resistor 9 accesses microprocessor 2 and electricity
Resistance between source input port 7 gradually becomes smaller, and then the voltage that slide rheostat 9 is got is gradually reduced, until coupler T
The digital voltage signal of transmission is equal with the voltage signal of reference voltage port, at this time 14 break-off of driving motor.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of New Type of Chip Microcomputer development board, including development board main body (1), it is equipped at the top of the development board main body (1) micro-
Processor (2), voltage detection module (3), voltage self-adjustment module (6) and power input port (7), which is characterized in that institute
Stating voltage self-adjustment module (6) includes being welded on shell (8) at the top of development board main body (1), and the top inner wall of shell (8)
On be fixedly installed with sliding transformer (9), sliding transformer (9) include fixed terminals (10) and coil (11), link
(10) are held to be electrically connected by conducting wire and the voltage input end of microprocessor (2), the lower section of sliding transformer (9) is equipped with and shell
(8) fixed block (12) that bottom interior wall is fixedly mounted, and square type slot (13) are offered at the top of fixed block (12), square type slot (13)
Inside be placed with sliding seat (18), be fixedly installed at the top of sliding seat (18) with the sliding conduction of coil (11) sliding contact
Piece (20), and sliding conduction piece (20) is electrically connected by conducting wire and power input port (7), the side of sliding seat (18) is equipped with
The driving motor (14) being fixedly mounted with fixed block (12) top side, and be welded with and live on the output shaft of driving motor (14)
The shaft (15) of dynamic seat (18) screw thread installation, one end of shaft (15) is rotatably equipped with to be fixed with the other side at the top of fixed block (12)
The rotation seat (16) of installation, the rotating forward control terminal of driving motor (14) are electrically connected with the first flip chip (4), and the first triggering
Chip (4) is welded on the top of development board main body (1), and the reversion control terminal of driving motor (14) is electrically connected with the second triggering core
Piece (5), and the second flip chip (5) is welded on the top of development board main body (1)；
The voltage acquisition end of microprocessor (2) is electrically connected with the input terminal of voltage acquisition chip U1, and voltage acquisition chip U1
Inside in voltage detection module (3) is set, and the output end of voltage acquisition chip U1 is electrically connected with one end of resistance R1, and electricity
The other end of resistance R1 is electrically connected with one end of resistance R2 and the pin 2 of amplifier U2, and the pin 3 of amplifier U2 is electrically connected with
One end of resistance R3, and the pin 4 of the other end of resistance R3 and amplifier U2 are grounded, the pin 7 of amplifier U2 is electrically connected
There is 3.3V power supply, the pin 5 of amplifier U2 is electrically connected with the other end of resistance R2 and the pin 1 of coupler T, coupler T's
Pin 2 and pin 4 are grounded, and the pin 3 of coupler T be electrically connected with the pin 3 of comparator U3, resistance R4 sliding end,
The pin 2 of comparator U4 and the sliding end of resistance R5, the pin 2 of comparator U3 and the pin 3 of comparator U4 are electrically connected with together
One reference voltage port, the pin 7 of comparator U3 is electrically connected with 3.3V power supply, and the pin 4 of comparator U3 is grounded, and is compared
The pin 5 of device U3 is electrically connected with the first fixing end of resistance R4, and the second fixing end of resistance R4 and the first flip chip (4)
It is electrically connected, the pin 7 of comparator U4 is electrically connected with 3.3V power supply, and the pin 4 of comparator U4 is grounded, and comparator U4's draws
Foot 5 is electrically connected with the first fixing end of resistance R5, and the second fixing end of resistance R5 electrically connects with the second flip chip (5)
It connects.
2. a kind of New Type of Chip Microcomputer development board according to claim 1, which is characterized in that the microprocessor (2) is
The single-chip microcontroller of sh79f0819m model, and microprocessor (2) is welded on the top of development board main body (1).
3. a kind of New Type of Chip Microcomputer development board according to claim 1, which is characterized in that the coupler T is photoelectricity coupling
Clutch, and the model TLP521-3 of coupler T.
4. a kind of New Type of Chip Microcomputer development board according to claim 1, which is characterized in that the amplifier U2 is simulation fortune
Amplifier is calculated, and the model of the model OP777, the comparator U3 and comparator U4 of amplifier U2 is LM393.
5. a kind of New Type of Chip Microcomputer development board according to claim 1, which is characterized in that first flip chip (4)
It is identical with the specification of the second flip chip (5), and the model of the first flip chip (4) and the second flip chip (5) is
TCA785。
6. a kind of New Type of Chip Microcomputer development board according to claim 1, which is characterized in that the resistance R1, resistance R2, electricity
The resistance value of resistance R3, resistance R4 and resistance R5 are followed successively by 1.5K Ω, 18K Ω, 1.5K Ω, 20K Ω and 20K Ω.
7. a kind of New Type of Chip Microcomputer development board according to claim 1, which is characterized in that opened up on the sliding seat (18)
There is tapped through hole, and tapped through hole is engaged with the camber screw thread (17) being arranged on the outside of shaft (15), the two sides of sliding seat (18)
Ball (19) are embedded with, and sliding seat (18) is rolled by the side wall of ball (19) and square type slot (13) and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721528813.3U CN208284120U (en) | 2017-11-16 | 2017-11-16 | A kind of New Type of Chip Microcomputer development board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721528813.3U CN208284120U (en) | 2017-11-16 | 2017-11-16 | A kind of New Type of Chip Microcomputer development board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208284120U true CN208284120U (en) | 2018-12-25 |
Family
ID=64748208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721528813.3U Expired - Fee Related CN208284120U (en) | 2017-11-16 | 2017-11-16 | A kind of New Type of Chip Microcomputer development board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208284120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900957A (en) * | 2019-04-16 | 2019-06-18 | 上海艾为电子技术股份有限公司 | A kind of multiport chip with voltage detecting circuit |
-
2017
- 2017-11-16 CN CN201721528813.3U patent/CN208284120U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900957A (en) * | 2019-04-16 | 2019-06-18 | 上海艾为电子技术股份有限公司 | A kind of multiport chip with voltage detecting circuit |
| CN109900957B (en) * | 2019-04-16 | 2021-08-17 | 上海艾为电子技术股份有限公司 | Multi-port chip with voltage detection circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208284120U (en) | A kind of New Type of Chip Microcomputer development board | |
| CN201191700Y (en) | Rotatable type safe electric power socket | |
| CN208738637U (en) | A kind of intelligent integration switchgear monitoring device | |
| CN203341537U (en) | Rechargeable milk bubbler | |
| CN208705427U (en) | A kind of arc fault detection device of photovoltaic DC-to-AC converter | |
| CN207301263U (en) | A kind of turntable | |
| CN209571649U (en) | A kind of highly-safe intelligent socket | |
| CN206788238U (en) | A kind of windmill type electroscope | |
| CN209961797U (en) | Function tester for rotation speed sensor of electric control engine | |
| CN204025831U (en) | A kind of wireless valve controller based on M-Bus bus | |
| CN207439444U (en) | Transmission sensors detector | |
| CN207866393U (en) | A kind of machine room heat integrated monitoring apparatus | |
| CN209709629U (en) | A kind of intelligent Bus jack box | |
| CN209610717U (en) | A kind of four seasons cup | |
| CN208847242U (en) | A kind of low-voltage electric system detection device | |
| CN207352063U (en) | A kind of new electric power overhaul device | |
| CN204597582U (en) | A kind of untouchable delivery of electrical energy support | |
| CN106160508A (en) | A kind of separate type vehicle-mounted inverter | |
| CN205229446U (en) | Domestic ammeter detection device | |
| CN207301166U (en) | A kind of Three phase high-voltage power voltage detection device | |
| CN206947615U (en) | A kind of embedded rotatable Multi-face socket | |
| CN201867464U (en) | Withstand voltage testing device for electric energy meter | |
| CN206441966U (en) | A kind of omnipotent matched lines of USB | |
| CN209387729U (en) | A kind of electric power first-aid safety return circuit self-test electroscope | |
| CN208580878U (en) | A kind of attaching plug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 Termination date: 20191116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |