CN212460931U

CN212460931U - Real standard equipment of piece together combination formula digital circuit

Info

Publication number: CN212460931U
Application number: CN202021503165.8U
Authority: CN
Inventors: 肖义军; 李春华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-02-02
Anticipated expiration: 2030-07-27

Abstract

The utility model provides a splicing combination type digital circuit practical training device, which comprises a display board, a unit module and a banana plug wire; the splicing combination type digital circuit practical training equipment can be manufactured into a plurality of unit modules according to the teaching practical training requirements; when in use, only the applicable unit modules are selected for combined connection, and the phenomenon that the operation and the sense of integrity are influenced by the occurrence of the unnecessary unit modules is avoided in the demonstration; corresponding logical relations can be directly demonstrated through the display of the corresponding output end indicating lamp beads on the unit modules; each unit module not only can perform self unit circuit function demonstration and practical training, but also can perform splicing combination on a plurality of unit modules on the display board, thereby realizing function demonstration and practical training of various combinational logic circuits and sequential logic circuits, realizing infinite variation and multiple splicing; meanwhile, the banana plug wires and the unit modules are convenient to store in a classified mode through the storage box, and the banana plug wires and the unit modules are convenient to carry; can be used as a teaching aid for teachers and a learning aid for students.

Description

Real standard equipment of piece together combination formula digital circuit

The technical field is as follows:

the utility model relates to a digital circuit teaching and real device technical field of instructing, concretely relates to real equipment of instructing of concatenation combination formula digital circuit.

Background art:

the digital electronic technology foundation is a course with strong theoretical, logical and practical properties in the middle school, while the theoretical foundation of middle school students is relatively poor, and if a teacher depends on theoretical teaching alone, the teacher does not break through a large amount of professional practices, so that the students are more difficult to learn and less willing to learn and are not understood more learn; therefore, although the simulation software can demonstrate the working state of the digital circuit, the simulation software is theoretical, has a certain difference with the actual circuit and is not persuasive; the electrician electronic training equipment developed by enterprises has the defects of large volume, inconvenience in movement, high price, poor connection with middle-position digital electronics and the like due to the consideration of both electrician technology and analog electronic technology as well as digital electronic technology; in addition, the part of the table top is a device or a unit module which is not related to the training items, so that the error guide of an operator is easy, the operation is influenced, and the effect and the circuit overall feeling are also influenced; therefore, in order to change the abstract logic problem into a visual and vivid manner and change boring theoretical knowledge into vivid and interesting manner, the theory is verified through actual circuit connection operation, and knowledge understanding and consolidation are enhanced; if the logic functions of the basic logic gate, the combinational logic circuit, the trigger and the sequential logic circuit are demonstrated and verified by means of the real object circuit model in teaching, practical training operation equipment for middle-duty digital electronic technology teaching is needed, and when the practical training operation equipment is used, the practical training operation equipment can be used as a teaching aid for classroom teaching and can also be used as a learning tool for practical training of students as long as corresponding unit modules are selected for combination and splicing.

The invention content is as follows:

the utility model aims at solving the problem mentioned above and providing a real equipment of instructing of concatenation combination formula digital circuit.

The utility model adopts the following technical scheme to realize the purpose of the invention: a piece-connected combined digital circuit training device comprises a display board, a unit module and a banana plug lead; the display board comprises an external power supply, an external power switch, a first positive banana socket, a first negative banana socket, a power indicator lamp bead and a fixing part for fixing the unit modules, the external power supply, the external power switch, the first positive banana socket, the first negative banana socket and the power indicator lamp bead are all arranged on the left side of the front face of the display board, and the fixing part is arranged on the right side of the front face of the display board; the unit modules and the fixing parts are detachably fixed with each other; the unit module comprises a substrate, a second anode banana socket, a second cathode banana socket, an input end banana socket, an output end indicating lamp bead and an electronic chip; the unit modules comprise a plurality of independent units, and each unit module corresponds to one electronic chip; the second positive banana socket and the second negative banana socket are respectively connected with the lead wires, and then the other end of the lead wire is welded on a positive pin and a negative pin corresponding to the electronic chip through soldering; the banana plug wires are connected between the display board and the unit modules and between the unit modules and the banana sockets on the unit modules.

Further, the real standard equipment of combination formula digital circuit of should piecing together still includes the device that will show the board erects the show.

Preferably, the device for vertically displaying the display board is a display stand, the display stand comprises a cross placed on the ground and a vertical shaft vertically arranged perpendicular to the cross, the bottom of the display board is installed at the top end of the vertical shaft, and the vertical shaft can be adjusted in height.

Preferably, this device of erectting the show board and demonstrateing is magnet, and magnet is installed at the back of show board, can adsorb the show board on the blackboard is inhaled to the magnetism.

Furthermore, the unit module also comprises a fixing plate arranged on the back surface of the unit module, and the fixing plate and the fixing part are detachably connected and fixed with each other.

Preferably, the fixing plate and the fixing component are a combination of a magnet and an iron sheet or a combination of a magic tape.

Furthermore, the splicing combination type digital circuit practical training equipment also comprises a storage box for storing the banana plug lead and the unit module; the containing box includes box and case lid, and the case lid articulates in one side of box, the box pass through the baffle and separate for a plurality of unit module placing grid and banana plug wire placing grid.

Furthermore, a placing table is pasted in the middle of the inner side face of the box cover, the placing grids on the placing table are distributed to be consistent with the placing grids of the plurality of unit modules on the box body and the placing grids of the banana plug leads, and specific names for placing the corresponding banana plug leads and the unit modules are marked in the placing grids on the placing table.

Preferably, the bottom of the box body is provided with a box body capable of accommodating the display board, and one side of the box body is opened.

Preferably, the base plate is manufactured by processing a cover plate of the electric 86 box.

Due to the adoption of the technical scheme, the utility model discloses better realize its invention purpose, this piece together combination formula digital circuit real standard equipment can be according to the real standard needs of teaching, make into single unit module with basic logic gate, encoder, decoder, display, various triggers, register, various counters, timer, pulse generator etc.; when in use, only the applicable unit modules are selected for combined connection, thereby not only realizing the function demonstration of the small-sized digital circuit, but also realizing the function demonstration of the large-sized digital circuit, and avoiding the occurrence of unnecessary unit modules in the demonstration to influence the operation and the sense of unity; corresponding logical relations can be directly demonstrated through the display of the corresponding output end indicating lamp beads on the unit modules; the circuit can be manufactured only by inserting and connecting banana plug wires without welding among all unit modules, so that the circuit function is realized, the operation is convenient, the working state of the circuit is displayed visually, the data is reliable, and the circuit has strong integral sense; each unit module not only can perform self unit circuit function demonstration and practical training, but also can perform splicing combination on a plurality of unit modules on the display board, thereby realizing function demonstration and practical training of various combinational logic circuits and sequential logic circuits, realizing infinite variation and multiple splicing; meanwhile, the banana plug wires and the unit modules are convenient to store in a classified mode through the storage box, and the banana plug wires and the unit modules are convenient to carry; can be used as a teaching aid for teachers and a learning aid for students.

Description of the drawings:

fig. 1 is a schematic plan view of the overall structure of the present invention.

Fig. 2 is a schematic structural front view of the middle unit module 2 of the present invention.

Fig. 3 is a schematic back view of the structure of the middle unit module 2 of the present invention.

Fig. 4 is a schematic structural diagram of the storage box 3 of the present invention.

Fig. 5 is a schematic plane view of a connection circuit of the running water color lamp in embodiment 2 of the present invention.

The reference numerals are illustrated in the following table.

Number of mark	Name of label	Number of mark	Name of label
				1	Display board 1	24	Input end banana jack 24
11	External power supply 11	25	Output end banana jack 25
				12	External power switch 12	26	Output end indicating lamp bead 26
13	First positive banana jack 13	27	Electronic chip 27
				14	First negative banana jack 14	28	Fixed plate 28
15	Power indicator lamp bead 15	3	Storage box 3
				16	Fixing part 16	31	Case 31
2	Unit module 2	311	Unit module placing lattice 311
				21	Substrate 21	312	Banana plug wire placing grid 312
22	Second positive banana jack 22	32	Case cover 32
				23	Second negative banana jack 23	321	Placement Table 321

The specific implementation mode is as follows:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative effort, and the contents of the invention will be further described below with reference to the drawings:

example 1:

referring to fig. 1, the utility model relates to a splicing combined digital circuit training device, which comprises a display board 1 and a unit module 2; the display board 1 comprises an external power supply 11, an external power switch 12, a first positive banana socket 13, a first negative banana socket 14, a power indicator lamp bead 15 and a fixing part 16 for fixing the unit module 2, wherein the external power supply 11, the external power switch 12, the first positive banana socket 13, the first negative banana socket 14 and the power indicator lamp bead 15 are all arranged on the left side of the front face of the display board 1, and the fixing part 16 is arranged on the right side of the front face of the display board 1; the unit module 2 and the fixing part 16 are detachably fixed with each other; the display board 1 is communicated with the unit module 2, and the unit module 2 is communicated with the banana socket on the unit module 2 through banana plug wires; external power supply 11 can be for equipment such as treasured charges, power indicator lamp pearl 15 indicate the break-make of power.

Referring to fig. 2 and 3, the unit module 2 includes a substrate 21, a second positive banana socket 22, a second negative banana socket 23, an input banana socket 24, an output banana socket 25, an output indicating lamp bead 26, an electronic chip 27 and a fixing plate 28; the base plate 21 is manufactured by processing an electric 86 box cover plate, the name or the number of each unit module 2, the banana socket and the output end indicating lamp bead 26 can be marked on each base plate 21, and different unit modules 2 and different banana sockets can be distinguished conveniently; the second positive banana socket 22, the second negative banana socket 23, the input banana socket 24, the output banana socket 25, the output indicating lamp bead 26 and the electronic chip 27 are all fixedly mounted through holes formed in the substrate 21; the unit modules 2 comprise a plurality of independent unit modules 2, each unit module 2 corresponds to one electronic chip 27, and the specific function of each unit module 2 is determined by the corresponding electronic chip 27; the second positive banana socket 22 and the second negative banana socket 23 are respectively connected with a lead and then the other end of the lead is welded on a positive pin and a negative pin corresponding to the electronic chip 27 through soldering, the plurality of input banana sockets 24 are respectively connected with the lead and then the other end of the lead is welded on an input pin corresponding to the electronic chip 27 through soldering, the plurality of output banana sockets 25 are respectively connected with the lead and then the other end of the lead is welded on an output pin corresponding to the electronic chip 27 through soldering, and the output indicating lamp beads 26 are respectively connected with the lead and then the other end of the lead is welded on the output pin corresponding to the electronic chip 27 or the output banana socket 25 through soldering; the fixing plate 28 is installed on the back of the unit module 2, the fixing plate 28 and the fixing member 16 are detachably connected and fixed with each other, the fixing plate 28 and the fixing member 16 are a combination of a magnet and an iron sheet or a combination of a hook and loop fastener 28 and the fixing member 16, in the drawing, the fixing plate 28 is installed on the left end and the right end of the back of the unit module 2, and in practice, the fixing plate 28 may be installed on other positions of the back of the unit module 2, such as the upper end and the lower end; the banana plug wires are connected between the first positive banana socket 13 and the first negative banana socket 14 on the display board 1 and the second positive banana socket 22 and the second negative banana socket 23 on the unit module 2, and between the input banana socket 24 and the output banana socket 25 on different unit modules 2.

In another embodiment, in order to make the connection between the second positive banana socket 22, the second negative banana socket 23, the input banana socket 24, the output banana socket 25, the output indicator lamp bead 26 and the electronic chip 27 more stable and more beautiful, the corresponding positive pin, negative pin, input terminal pin and output terminal pin on the electronic chip 27 are respectively soldered on the corresponding positive electrode, negative electrode, input terminal and output terminal copper foil interface terminals on the circuit board, then the other copper foil interface end of the corresponding positive pole, negative pole, input end and output end on the circuit board is respectively welded with the second positive pole banana socket 22, the second negative pole banana socket 23, the input end banana socket 24 and the output end banana socket 25 through wires, the output end indicating lamp bead 26 is welded on the other copper foil interface end of the output end of the circuit board or the output end banana jack 25 through a wire.

For more intuitive operation and observation of the logical relationship of the circuit, the banana plug wires are classified according to the different colors of the connecting ends, wherein the banana plug wires connected between the first positive banana socket 13 and the second positive banana socket 22 and between the second positive banana socket 22 and the second positive banana socket 22 of the different unit modules 2 are red, the banana plug wires connected between the first negative banana socket 14 and the second negative banana socket 23 and between the second negative banana socket 23 and the second negative banana socket 23 of the different unit modules 2 are black, and the banana plug wires connected between the input banana socket 24 and the output banana socket 25 of the different unit modules 2 are yellow.

Specifically, fig. 2 and 3 show a six-not-gate unit module, the input end banana sockets 24 are sequentially labeled as a0, a1, a2 and A3 from top to bottom, the output end banana sockets 25 are sequentially labeled as Y0, Y1, Y2 and Y3 from top to bottom, and the output end indicator lamp beads 26 are sequentially labeled as L0, L1, L2 and L3 from top to bottom; in the example, 4 groups are used, wherein A0, Y0 and L0 are 1 group, A1, Y1 and L1 are 1 group, A2, Y2 and L2 are 1 group, A3, Y3 and L3 are 1 group, A0-A3 are input, Y0-Y3 are output, L0-L3 indicate high and low levels (indicating that the lamp bead 26 indicates high level when being bright and low level when not being bright), and the logical relationship is intuitively demonstrated; the NOT gate logic function demonstration can be realized, and the NOT gate logic function demonstration circuit can also be combined with other circuits for use.

In a preferred embodiment, the splicing combination type digital circuit practical training equipment further comprises a device for vertically displaying the display board 1; the device for vertically displaying the display board 1 is a display stand, the display stand comprises a cross placed on the ground and a vertical shaft vertically arranged perpendicular to the cross, the bottom of the display board 1 is installed at the top end of the vertical shaft, and the vertical shaft can be adjusted in height; this erect device of show with show board 1 still can be for magnet, and magnet is installed at the back of show board 1, can adsorb show board 1 on the blackboard is inhaled to magnetism.

Referring to fig. 4, the splicing combination type digital circuit practical training equipment further comprises a storage box 3 for storing the banana plug lead and the unit module 2; the containing box 3 comprises a box body 31 and a box cover 32, the box cover 32 is hinged on one side of the box body 31, and the box body 31 is divided into a plurality of unit module placing grids 311 and banana plug wire placing grids 312 through partition plates; a placing table 321 is adhered to the middle of the inner side surface of the box cover 32, the placing grids on the placing table 321 are distributed to be consistent with the plurality of unit module placing grids 311 and banana plug lead placing grids 312 on the box body 31, and specific names for placing corresponding banana plug leads and unit modules 2 are marked in each placing grid on the placing table 321; the number of the unit module placing cells 311 shown in the drawing is 25, and the number of the banana plug wire placing cells 312 is 3, which indicates that 25 kinds of unit modules or types and 3 kinds of different banana plug wires can be placed, however, the above-mentioned 25 unit

module placing cells

311 and 3 banana plug wire placing cells 312 are only an example, and it is not that the storage box 3 can only be provided with 25 unit

module placing cells

311 and 3 banana plug wire placing cells 312, and other numbers of unit module placing cells 311 and banana plug wire placing cells 312 are also possible.

In a preferred embodiment, the two storage boxes 3 are provided, one is used for fixedly storing the banana plug wires and the unit modules 2, and the other is used for storing the banana plug wires and the unit modules 2 which need to be used once and transporting to a use place; for example, this teaching only needs to use three unit modules 2, then just take out three unit modules 2 that need use from first containing box 3 and place in second containing box 3 to also take out the banana plug wire of corresponding quantity from first containing box 3 and place in second containing box 3, just need move second containing box 3 and the show board 1 that corresponds to the classroom when teaching.

In another preferred embodiment, a box body for accommodating the display board 1 is disposed at the bottom of the box body 31, and one side of the box body is open, so that the display board 1 can be conveniently put into the box body for storage, and the storage box 3 can store the display board 1, the unit modules 2 and the banana plug wires in the storage box 3.

The use method of the splicing combination type digital circuit practical training equipment comprises the following steps: the unit module 2 and the banana plug wire that will need to use are arranged in the corresponding placing grid in the second containing box 3, the show board 1 is arranged in the box body at the bottom of the box body 31, the containing box 3 and the corresponding device capable of erecting the show board 1 for display are moved to a teaching place, the show board 1 is installed on the device capable of erecting the show board 1 for display, so that the show board 1 is erected, an external power supply 11 is connected, the unit module 2 is orderly arranged on a fixing part 16 on the show board 1, and is connected between the show board 1 and the unit module 2 through the banana plug wire, an external power supply switch 12 is opened, the display is realized through a power supply indicating lamp bead 15 and an output end indicating lamp bead 26, and the logic relation can be intuitively demonstrated.

Example 2:

referring to fig. 5, a schematic plane view of a connection circuit of a running water color lamp in an actual teaching process is shown, 3 used unit modules 2 are detachably mounted on a fixing part 16 on a display board 1, wherein a first unit module 2 in a first row is a signal generator unit module, a second unit module 2 in the first row is a register unit module, and a first unit module 2 in a second row is a non-gate unit module, and the display board 1 and the unit modules 2 can be connected to each other only by inserting banana plugs into corresponding banana sockets through conductors, so that a circuit function is realized (the connection mode of the banana plugs and the conductors is shown in fig. 5); wherein the banana plug wires connected between the first positive banana socket 13 and the second positive banana socket 22 and between the second positive banana socket 22 and the second positive banana socket 22 of different unit modules 2 are red, the banana plug wires connected between the first negative banana socket 14 and the second negative banana socket 23 and between the second negative banana socket 23 and the second negative banana socket 23 of different unit modules 2 are black, and the banana plug wires connected between the input banana socket 24 and the output banana socket 25 of different unit modules 2 are yellow.

It should be noted that: the schematic plane diagram of the connection circuit of the running color lamp is just an example of a digital circuit, and countless circuits can be spliced by selecting corresponding unit modules according to the circuit requirements.

It is clear that modifications and/or additions of parts may be made to the piece of modular digital circuit practical training equipment as described heretofore, and to the corresponding method, without departing from the field and scope of the present invention.

It is also clear that, although the present invention has been described in detail with reference to the accompanying drawings, a person of skill in the art shall certainly be able to achieve many other equivalent forms of assembly and corresponding method for a modular digital circuit training apparatus, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

Claims

1. The utility model provides a real standard equipment of concatenation combination formula digital circuit which characterized in that: comprises a display board (1), a unit module (2) and a banana plug lead; the display board (1) comprises an external power supply (11), an external power switch (12), a first positive banana socket (13), a first negative banana socket (14), a power indication lamp bead (15) and a fixing part (16) for fixing the unit modules (2), wherein the external power supply (11), the external power switch (12), the first positive banana socket (13), the first negative banana socket (14) and the power indication lamp bead (15) are all arranged on the left side of the front face of the display board (1), and the fixing part (16) is arranged on the right side of the front face of the display board (1); the unit module (2) and the fixing part (16) are detachably fixed with each other; the unit module (2) comprises a substrate (21), a second anode banana socket (22), a second cathode banana socket (23), an input end banana socket (24), an output end banana socket (25), an output end indicating lamp bead (26) and an electronic chip (27); the unit modules (2) comprise a plurality of independent unit modules, and each unit module (2) corresponds to one electronic chip (27); the second positive banana socket (22) and the second negative banana socket (23) are respectively connected with wires and then the other ends of the wires are welded on positive and negative pins corresponding to the electronic chip (27) through soldering, the plurality of input banana sockets (24) are respectively connected with wires and then the other ends of the wires are welded on input pins corresponding to the electronic chip (27) through soldering, the plurality of output banana sockets (25) are respectively connected with wires and then the other ends of the wires are welded on output pins corresponding to the electronic chip (27) through soldering, and the output indicating lamp beads (26) are respectively connected with wires and then the other ends of the wires are welded on output pins corresponding to the electronic chip (27) or output banana sockets (25) through soldering; the banana plug wires are connected between the display board (1) and the unit modules (2) and between the unit modules (2) and the banana sockets on the unit modules (2).

2. The practical training equipment for the spliced and combined digital circuit as claimed in claim 1, wherein: the splicing and connecting combined digital circuit practical training equipment further comprises a device for vertically displaying the display board (1).

3. The practical training equipment for the spliced combined digital circuit as claimed in claim 2, wherein: the device is a showing stand which comprises a cross placed on the ground and a vertical shaft vertically arranged perpendicular to the cross, wherein the bottom of a showing board (1) is installed at the top end of the vertical shaft, and the vertical shaft can be adjusted in height.

4. The practical training equipment for the spliced and combined digital circuit as claimed in claim 1, wherein: the banana plug wires are classified according to different connecting ends through colors.

5. The practical training equipment for the spliced and combined digital circuit as claimed in claim 1, wherein: the unit module (2) further comprises a fixing plate (28) arranged on the back surface of the unit module (2), and the fixing plate (28) and the fixing part (16) are detachably connected and fixed with each other.

6. The practical training equipment for the spliced and combined digital circuit as claimed in claim 5, wherein: the fixing plate (28) and the fixing component (16) are a combination of a magnet and an iron sheet or a combination of a magic tape and the fixing plate (28) and the fixing component (16).

7. The practical training equipment for the spliced and combined digital circuit as claimed in claim 1, wherein: the splicing and connecting combined digital circuit practical training equipment further comprises a storage box (3) for storing the banana plug lead and the unit module (2); the containing box (3) comprises a box body (31) and a box cover (32), the box cover (32) is hinged to one side of the box body (31), and the box body (31) is divided into a plurality of unit module placing grids (311) and banana plug wire placing grids (312) through partition plates.

8. The practical training equipment for the spliced and combined digital circuit as claimed in claim 7, wherein: a placing table (321) is pasted in the middle of the inner side face of the box cover (32), the placing grids on the placing table (321) are distributed to be consistent with the plurality of unit module placing grids (311) on the box body (31) and the banana plug lead placing grids (312), and specific names for placing corresponding banana plug leads and unit modules (2) are marked in the placing grids on the placing table (321).

9. The practical training equipment for the spliced and combined digital circuit as claimed in claim 7, wherein: the bottom of the box body (31) is provided with a box body capable of containing the display board (1), and one side of the box body is opened.

10. The practical training equipment for the spliced and combined digital circuit as claimed in claim 1, wherein: the base plate (21) is manufactured by processing a cover plate of an electric 86 box.