CN209657615U - A kind of plug-in type digital circuit demonstration board - Google Patents
A kind of plug-in type digital circuit demonstration board Download PDFInfo
- Publication number
- CN209657615U CN209657615U CN201920071051.1U CN201920071051U CN209657615U CN 209657615 U CN209657615 U CN 209657615U CN 201920071051 U CN201920071051 U CN 201920071051U CN 209657615 U CN209657615 U CN 209657615U
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- CN
- China
- Prior art keywords
- demonstration board
- board ontology
- wiring hole
- tie rods
- plug
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Abstract
The utility model discloses a kind of plug-in type digital circuit demonstration boards, including demonstration board ontology and connecting line, the demonstration board ontology is hollow structure, the upper surface middle part of the demonstration board ontology is equipped with chip placing groove, metal tie rods are inserted into the first wiring hole or the second wiring hole when use, rotating metal tie rods simultaneously in insertion turns to fixture block in round empty slot, round empty slot limits fixture block at this time, move up and down it can not, when fixture block is connected in round card slot, the bottom end of metal tie rods is in contact with circular metal conducting block, metal tie rods are then electrically connected with metal connecting sheet at this time, the more traditional connection type of this connection type is more convenient, it is attached convenient for user when showing, user can be made to control cut-offfing for different leg signal transmission by rotating threaded rod, to make demonstrating effect More preferably.
Description
Technical field
The utility model relates to Experiments of Electricity equipment technical field, specific field is a kind of demonstration of plug-in type digital circuit
Plate.
Background technique
It during Teaching Digital Circuit, is substantially and first carries out theory teaching in classroom, carried out again in laboratory later
The teaching pattern of confirmatory experiment and design-type experiment.It is enhancing student to logical device and circuit function during classroom instruction
Understanding, usually student is demonstrated with demonstration board, traditional demo be only carried out on original experimental facilities it is light
Micromodification is dynamic to be allowed to hang up, and has inconvenience in demonstration, so needing a kind of new digital circuit demonstration board now.
Utility model content
The purpose of this utility model is to provide a kind of plug-in type digital circuit demonstration boards, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of plug-in type digital circuit demonstration board, packet
Demonstration board ontology and connecting line are included, the demonstration board ontology is hollow structure, and the upper surface middle part of the demonstration board ontology is equipped with
Chip placing groove, the upper surface of the demonstration board ontology and be located at chip placing groove inside at be uniformly provided with pin sockets, it is described
The upper side wall of demonstration board ontology and be located at chip placing groove left side at be equipped with several first wiring holes, the demonstration board ontology
On upper side wall and it is located at the right side of chip placing groove equipped with several second wiring holes, the upper surface and position of the demonstration board ontology
The first fixed plate, the upper surface of the demonstration board ontology and the right side for being located at the second wiring hole are equipped at the left side of the first wiring hole
It is equipped with the second fixed plate at side, is uniformly provided with threaded hole, the demonstration board sheet in first fixed plate and the second fixed plate
Being internally located at each first wiring hole and second wiring hole lower section for body is equipped with metallic conduction piece, each described
The lower surface of metallic conduction piece is symmetrically arranged with spring, and the lower end of each spring is and on the downside of the inner surface of demonstration board ontology
Wall is connected, and the upper surface of the metallic conduction piece is equipped with circular metal conducting block, on first wiring hole and the second wiring hole
It is equipped with round empty slot, one end of the connecting line is connected with metal tie rods, and the lateral wall of the metal tie rods is equipped with
Fixture block, the fixture block are used cooperatively with round empty slot, and screw thread compression bar is threaded on the threaded hole.
Preferably, the upper surface of the demonstration board ontology is equipped with display decoder, and the display decoder includes LED number
Lamp, decoder ontology and contact.
Preferably, the lateral wall of the demonstration board ontology is equipped with power supply line.
Preferably, material holder, the inside of the material holder are equipped on the left of the upper surface of the demonstration board ontology
Equipped with partition, the material holder is equipped with chamber door.
Preferably, the lateral wall of the demonstration board ontology is equipped with hanger.
Compared with prior art, the utility model has the beneficial effects that a kind of plug-in type digital circuit demonstration board, demonstration board
Ontology is the installation that hollow structure is convenient to internal structure, and user can pacify chip by way of being plugged in pin interface
Loaded on chip placing groove, in this way chip can be electrically connected with internal structure, in order to which user tests, using
When metal tie rods are inserted into the first wiring hole or the second wiring hole, rotating metal tie rods simultaneously in insertion turns fixture block
It moves in round empty slot, round empty slot limits fixture block at this time, move up and down it can not, when fixture block is connected in circular card
The bottom end of metal tie rods is in contact with circular metal conducting block when in slot, and metal tie rods are then electrically connected with metal connecting sheet at this time
It connects, the more traditional connection type of this connection type is more convenient, is attached convenient for user when showing, by rotating spiral shell
Rasp bar can make user control cut-offfing for different leg signal transmission, to keep demonstrating effect more preferable, pass through display decoder
Can reflect out the signal that different pins issue is that high level or low level are required convenient for that will test by material holder
Equipment stores, and convenient for using when experiment, is classified by partition to the equipment of placement, is convenient for inciting somebody to action this by hanger
Utility model hang-up is shown.
Detailed description of the invention
Fig. 1 is the structure schematic top plan view of the utility model；
Fig. 2 is the structural schematic diagram of the connecting line of the utility model, metal tie rods and fixture block；
Fig. 3 is the schematic cross-sectional view at second wiring hole of the utility model.
In figure: 1- demonstration board ontology, 2- chip placing groove, 3- pin sockets, the first wiring hole of 4-, the second wiring hole of 5-,
The first fixed plate of 6-, the second fixed plate of 7-, 8- threaded hole, 9- metallic conduction piece, 10- spring, 11- circular metal conducting block, 12-
Round empty slot, 13- connecting line, 14- metal tie rods, 15- fixture block, 16- screw thread compression bar, 17- display decoder, 1701-LED number
Word lamp, 1702- decoder ontology, the contact 1703-, 18- power supply line, 19- material holder, 20- partition, 21- chamber door, 22- are hung
Frame.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of plug-in type digital circuit demonstration board, including
Demonstration board ontology described in demonstration board ontology 1 and connecting line 13 is hollow structure, and demonstration board ontology is that hollow structure is convenient to inside
The installation of structure, the upper surface middle part of the demonstration board ontology are equipped with chip placing groove 2, the upper surface of the demonstration board ontology and
It is uniformly provided with pin sockets 3 inside chip placing groove, user can be by chip by being plugged in the side of pin interface
Formula is installed on chip placing groove, and chip can in this way be electrically connected with internal structure, in order to which user tests, and
And viewer can be made clear；Recognize the model of chip used in user, the upper side wall of the demonstration board ontology and
Several first wiring holes 4 are equipped at the left side of chip placing groove, left side pin passes through the first connection jaws and external equipment electricity
It connects, on the upper side wall of the demonstration board ontology and is located at the right side of chip placing groove equipped with several second wiring holes 5, right side
Pin is electrically connected by the second wiring hole with external equipment, the upper surface of the demonstration board ontology and the left side for being located at the first wiring hole
It is solid that second is equipped with equipped with the first fixed plate 6, the upper surface of the demonstration board ontology at side and at the right side of the second wiring hole
It is uniformly provided with threaded hole 8 in fixed board 7, first fixed plate and the second fixed plate, the demonstration board ontology is internally located at
Metallic conduction piece 9, pin interface and external chip are equipped at below each first wiring hole and second wiring hole
Pin electrical connection, pin interface is electrically connected with metallic conduction piece again, electric signal can be enable to transmit by metallic conduction piece,
The lower surface of each metallic conduction piece is symmetrically arranged with spring 10, the lower end of each spring with demonstration board ontology
Inner surface lower wall is connected, and the upper surface of the metallic conduction piece is equipped with circular metal conducting block 11, first wiring hole and
Round empty slot 12 is equipped on second wiring hole, one end of the connecting line 13 is connected with metal tie rods 14, and the metal connects
The lateral wall of extension bar is equipped with fixture block 15, and the fixture block is used cooperatively with round empty slot, is threaded with spiral shell on the threaded hole
Metal tie rods are inserted into the first wiring hole or the second wiring hole by line compression bar 16 when in use, rotate gold simultaneously in insertion
Belonging to connecting rod turns to fixture block in round empty slot, and round empty slot limits fixture block at this time, move up and down it can not, when
The bottom end of metal tie rods is in contact with circular metal conducting block when fixture block is connected in round card slot, and metal tie rods are then at this time
It is electrically connected with metal connecting sheet, the other end of connecting line is connected on external structure or contact, the electric signal that chip issues at this time
It can be transferred in other structures by metal tie rods and connecting line, when showing, due to the lateral wall pair of display board ontology
It answers and is equipped with circular hole at threaded hole, user can be such that threaded rod stretches in display board ontology by rotating threaded rod, at this time spiral shell
Rasp bar is pressed down against metallic conduction piece to which pressuring spring can be such that metal connecting sheet mutually separates with metal tie rods, to disconnect
Metallic conduction piece is electrically connected with connecting line, and the different leg signal transmission of control that can be convenient user are cut-off, thus
Keep demonstrating effect more preferable.
Specifically, the upper surface of the demonstration board ontology is equipped with display decoder 17, the display decoder includes LED
Digital modulation 1701, decoder ontology 1702 and contact 1703 can reflect out the letter that different pins issue by display decoder
It number is high level or low level.
Specifically, the lateral wall of the demonstration board ontology is equipped with power supply line 18.
Specifically, material holder 19 is equipped on the left of the upper surface of the demonstration board ontology, the material holder
Inside is equipped with partition 20, and the material holder is equipped with chamber door 21, is convenient for depositing equipment needed for experiment by material holder
Storage is got up, and convenient for using when experiment, is classified by partition to the equipment of placement.
Specifically, the lateral wall of the demonstration board ontology is equipped with hanger 22, it is convenient for by hanger by the utility model
Hang-up is shown.
Working principle: the utility model, demonstration board ontology are the installation that hollow structure is convenient to internal structure, and user can
By by chip by being plugged in pin interface in a manner of be installed on chip placing groove, chip and internal structure can be made in this way
Electrical connection, in order to which user tests, and can make viewer clear；Recognize chip used in user
Model, pin interface are electrically connected with the pin of external chip, and pin interface is electrically connected with metallic conduction piece again, pass through metallic conduction
Piece can enable electric signal to transmit, and metal tie rods are inserted into the first wiring hole or the second wiring hole when in use, insert
Fashionable while rotating metal tie rods turns to fixture block in round empty slot, round empty slot limits fixture block at this time, makes it
It can not move up and down, when fixture block is connected in round card slot, the bottom end of metal tie rods is in contact with circular metal conducting block,
Metal tie rods are then electrically connected with metal connecting sheet at this time, and the electric signal that chip issues at this time can pass through metal tie rods and company
Bound transmission is into other structures, when showing, is equipped with circular hole at threaded hole since the lateral wall of display board ontology corresponds to, uses
Person can be such that threaded rod stretches in display board ontology by rotating threaded rod, at this time threaded rod be pressed down against metallic conduction piece from
And pressuring spring can be such that metal connecting sheet mutually separates with metal tie rods, to disconnect being electrically connected for metallic conduction piece and connecting line
It connects, the different leg signal transmission of control that can be convenient user are cut-off, to keep demonstrating effect more preferable, are translated by display
It is that high level or low level are convenient for that institute will be tested by material holder that code device, which can reflect out the signal that different pins issue,
The equipment needed stores, and convenient for using when experiment, is classified by partition to the equipment of placement, is convenient for by hanger
The utility model hang-up is shown.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of plug-in type digital circuit demonstration board, including demonstration board ontology (1) and connecting line (13), it is characterised in that: described
Demonstration board ontology (1) is hollow structure, and the upper surface middle part of the demonstration board ontology (1) is equipped with chip placing groove (2), described to drill
Show the upper surface of plate ontology (1) and be located at chip placing groove (2) inside and is uniformly provided with pin sockets (3), the demonstration board sheet
The upper side wall of body (1) and be located at chip placing groove (2) left side at be equipped with several first wiring holes (4), the demonstration board ontology
(1) on upper side wall and it is located at the right side of chip placing groove (2) equipped with several second wiring holes (5), the demonstration board ontology
(1) upper surface and be located at the left side of the first wiring hole (4) and be equipped with the first fixed plate (6), the demonstration board ontology (1) it is upper
Surface and it is located at the right side of the second wiring hole (5) and is equipped with the second fixed plate (7), first fixed plate (6) and second fixed
Be uniformly provided on plate (7) threaded hole (8), the demonstration board ontology (1) be internally located at each first wiring hole (4) and
It is equipped with metallic conduction piece (9) at below second wiring hole (5), the lower surface of each metallic conduction piece (9) is right
Claim to be equipped with spring (10), the lower end of each spring (10) is connected with the inner surface lower wall of demonstration board ontology (1), described
The upper surface of metallic conduction piece (9) is equipped with circular metal conducting block (11), first wiring hole (4) and the second wiring hole (5)
On be equipped with round empty slot (12), one end of the connecting line (13) is connected with metal tie rods (14), the metal tie rods
(14) lateral wall is equipped with fixture block (15), and the fixture block (15) is used cooperatively with round empty slot (12), on the threaded hole (8)
It is threaded with screw thread compression bar (16).
2. a kind of plug-in type digital circuit demonstration board according to claim 1, it is characterised in that: the demonstration board ontology
(1) upper surface is equipped with display decoder (17), and the display decoder (17) includes LED digital modulation (1701), decoder sheet
Body (1702) and contact (1703).
3. a kind of plug-in type digital circuit demonstration board according to claim 1, it is characterised in that: the demonstration board ontology
(1) lateral wall is equipped with power supply line (18).
4. a kind of plug-in type digital circuit demonstration board according to claim 1, it is characterised in that: the demonstration board ontology
(1) material holder (19) are equipped on the left of upper surface, the inside of the material holder (19) is equipped with partition (20), the material
Expect that holder (19) are equipped with chamber door (21).
5. a kind of plug-in type digital circuit demonstration board according to claim 1, it is characterised in that: the demonstration board ontology
(1) lateral wall is equipped with hanger (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920071051.1U CN209657615U (en) | 2019-01-16 | 2019-01-16 | A kind of plug-in type digital circuit demonstration board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920071051.1U CN209657615U (en) | 2019-01-16 | 2019-01-16 | A kind of plug-in type digital circuit demonstration board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209657615U true CN209657615U (en) | 2019-11-19 |
Family
ID=68521313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920071051.1U Expired - Fee Related CN209657615U (en) | 2019-01-16 | 2019-01-16 | A kind of plug-in type digital circuit demonstration board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209657615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111402689A (en) * | 2020-03-19 | 2020-07-10 | 苏州硬木智能科技有限公司 | Multifunctional auxiliary error correction experiment board |
-
2019
- 2019-01-16 CN CN201920071051.1U patent/CN209657615U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111402689A (en) * | 2020-03-19 | 2020-07-10 | 苏州硬木智能科技有限公司 | Multifunctional auxiliary error correction experiment board |
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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: 20191119 Termination date: 20210116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |