CN112258948B - PCB circuit board circuit simulation analysis demonstration teaching device - Google Patents
PCB circuit board circuit simulation analysis demonstration teaching device Download PDFInfo
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- CN112258948B CN112258948B CN202011208713.9A CN202011208713A CN112258948B CN 112258948 B CN112258948 B CN 112258948B CN 202011208713 A CN202011208713 A CN 202011208713A CN 112258948 B CN112258948 B CN 112258948B
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- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
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Abstract
The invention discloses a PCB circuit board circuit simulation analysis demonstration teaching device, which comprises a base and a PCB substrate, wherein the PCB substrate is arranged at the opening position of the base, a plurality of wire trend simulation seams extending in a straight line or a curve are arranged on the PCB substrate, light guide strips which are respectively in one-to-one correspondence with the wire trend simulation seams are arranged on the PCB substrate, each light guide strip comprises a strip-shaped light guide section and a light inlet section, each strip-shaped light guide section is respectively embedded into the corresponding wire trend simulation seam and respectively extends along the corresponding wire trend simulation seam, and the outer end of each light inlet section is provided with a light source. Technical scheme more than adopting, adopt the light guide strip simulation to replace the wire of PCB circuit board, because after each light source is lighted, each bar light guide section presents different colours, makes the student very clearly see the trend of each light guide strip directly perceivedly to can clear up the relation of connection between each electronic component fast, not only improve the quality of teaching by a wide margin, the interesting strong of teaching moreover can show the interest in learning that improves the student.
Description
Technical Field
The invention relates to the technical field of teaching simulation equipment, in particular to a PCB circuit board circuit simulation analysis demonstration teaching device.
Background
PCB, i.e. printed wiring board, is one of the important components in the electronics industry. Almost every electronic device, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, requires electronic components such as integrated circuits, and the like, and a PCB circuit board is used to electrically interconnect the components.
The design and analysis of the PCB circuit board are indispensable courses of many professions, and students can understand the PCB circuit board and learn to design the PCB circuit board. In the daily teaching process, the inventor finds that when the PCB is displayed for circuit analysis, the lead arrangement of the PCB is usually complicated and not visual for students due to insufficient basic knowledge and experience, so that the students are often difficult to follow the teaching rhythm of teachers and the teaching effect is influenced.
It is urgent to solve the above problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a PCB circuit board circuit simulation analysis demonstration teaching device.
The technical scheme is as follows:
the utility model provides a PCB circuit board circuit simulation analysis demonstration teaching device, includes base and PCB base plate, its main points lie in: the base has open-ended box structure for one side, the PCB base plate is installed in the open position of base, has seted up a plurality of wires that are sharp or curve extension on this PCB base plate and has moved towards the simulation seam, be provided with the light guide strip that respectively moves towards the simulation seam one-to-one with each wire on the PCB base plate, each light guide strip all includes the bar light guide section that is long bar-shaped structure and advances the light section of bending type to the base inside from bar light guide section one end, each bar light guide section imbeds respectively in the wire that corresponds moves towards the simulation seam to respectively move towards the simulation seam along the wire that corresponds and extend, the outer end of each light section of advancing all disposes the light source, the light that each light source sent can be followed the outer terminal surface who corresponds the light section of advancing and penetrated respectively to light guide section bar-shaped to light guide section that the point corresponds, and make each bar light guide section present different colours.
Structure more than adopting, when carrying out PCB circuit board circuit analysis teaching, adopt the light guide strip simulation to replace the wire of PCB circuit board, because after each light source lights, each bar light guide section presents different colours, makes the student can see the trend of each light guide strip clearly directly perceivedly very much to can clear up the relation of connection between each electronic component fast, not only improve the quality of teaching by a wide margin, the interesting strong of teaching moreover can show improvement student's interest in learning.
Preferably, the method comprises the following steps: the light inlet section comprises a light mixing part connected with the strip-shaped light guide section and a light guide-in part connected with one end, far away from the strip-shaped light guide section, of the light mixing part, and each light source is located at the outer end of the corresponding light guide-in part respectively. By adopting the structure, the light attenuation is small, the light can be better transmitted to the strip-shaped light guide section, and the brightness of the strip-shaped light guide section is improved.
Preferably, the method comprises the following steps: the light source is an RGB three-color LED light source, the light guide-in part comprises three light-receiving strips, one ends of the three light-receiving strips are connected with the light-mixing part, and the other ends of the three light-receiving strips are respectively in one-to-one correspondence with three LEDs of the RGB three-color LED light source. Structure more than adopting makes the colour that the bar leaded light section appears can infinitely change to can adjust according to the demand at any time, not only the flexibility is splendid, and the bandwagon effect is good moreover.
Preferably, the method comprises the following steps: the PCBA circuit board of RGB three-colour LED light source all the joint install on the base. By adopting the structure, the connection is simple and reliable.
Preferably, the method comprises the following steps: the light mixing part is of a spiral structure. Structure more than adopting can effectively reduce the length of mixing light portion, practices thrift installation space, makes the structure of whole teaching device compacter.
Preferably, the method comprises the following steps: the outer peripheral surface of the strip-shaped light guide section is provided with a diffuse reflection structure capable of enabling light to penetrate out, the diffuse reflection structure extends along the strip-shaped light guide section and is positioned on one side, exposed out of the wire, of the strip-shaped light guide section, of the wire moving direction simulation seam. By adopting the structure, the brightness of the strip-shaped light guide section can be effectively improved.
Preferably, the method comprises the following steps: the diffuse reflection structure is a strip-shaped frosted structure. Compared with the traditional tooth-shaped or convex point-shaped diffuse reflection structure, the structure has the advantages that the lighting effect of the strip-shaped light guide section is more uniform and softer, the lighting effect is not abrupt, and the visual angle effect is better.
Preferably, the method comprises the following steps: the base, the PCB substrate and the light guide strip are all made of insulating materials. By adopting the structure, students can directly start, potential safety hazards do not exist, and the teaching effect can be effectively improved.
Preferably, the method comprises the following steps: the light guide strip is made of transparent plastic materials or transparent glass. By adopting the structure, the cost is low, and the lighting effect is good.
Preferably, the method comprises the following steps: the colors of the adjacent light guide strips are different, and the parameters of the light sources are the same. By adopting the structure, the light sources with the same type can be used, and the cost is low.
Compared with the prior art, the invention has the beneficial effects that:
technical scheme's PCB circuit board circuit simulation analysis demonstration teaching device more than adopting, novel structure, design benefit, easily realize, adopt the light guide strip simulation to replace the wire of PCB circuit board, because after each light source lights, each bar light guide section presents different colours, make the student can see the trend of each light guide strip clearly directly perceivedly very much, thereby can clear up the relation of connection between each electronic component fast, the quality of teaching has not only been improved by a wide margin, teaching interest is strong moreover, can show improvement student's interest in learning.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a PCB substrate;
FIG. 3 is a schematic diagram of the fitting relationship between the light guide strip and the light source;
fig. 4 is a partial schematic view of a strip-shaped light guide section.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1-3, a teaching device for simulating, analyzing and demonstrating a circuit of a PCB comprises a base 1 and a PCB substrate 2, wherein the base 1 is of a box-shaped structure, an opening is formed in one side of the base 1, and the PCB substrate 2 is installed at the opening of the base 1. The PCB substrate 2 is provided with a plurality of lead trend simulation slits 2a extending in a straight line or a curve, and the trend of the lead trend simulation slits 2a is the trend of the leads of the PCB. The PCB substrate 2 is provided with light guide strips 3 which are respectively in one-to-one correspondence with the wire moving simulation slits 2a, and when teaching and showing are carried out, the light guide strips 3 simulate wires of a PCB circuit board.
Specifically, each light guide strip 3 includes a strip-shaped light guide section 3a and a light inlet section 3b formed by bending one end of the strip-shaped light guide section 3a toward the inside of the base 1, each strip-shaped light guide section 3a is embedded into a corresponding wire direction simulation slit 2a respectively and extends along the corresponding wire direction simulation slit 2a respectively, and each strip-shaped light guide section 3a can be in clamping fit with the corresponding wire direction simulation slit 2a and can also be fixedly connected through glue. The outer end of each light inlet section 3b is provided with a light source 4, and light emitted by each light source 4 can enter from the outer end face of the corresponding light inlet section 3b to light the corresponding strip-shaped light guide section 3a and make each strip-shaped light guide section 3a present different colors. That is, after each light source 4 lights up, each bar light guide section 3a presents different colours, makes the student can see clearly each light guide 3's trend (being the trend of each wire) directly perceivedly very much to can clear up the relation of connection between each electronic component fast, not only improve the quality of teaching by a wide margin, the interesting of teaching is strong moreover, can show improvement student's interest in learning.
In order to guarantee the security, prevent to electrocute, make the student can both directly go to hand simultaneously, effectively promote the teaching effect, base 1, PCB base plate 2 and light guide strip 3 all adopt insulating material to make. Specifically speaking, base 1 adopts opaque plastics material to make, can play the effect of hiding the ugly to, be provided with pencil joint 1a on the base 1, be convenient for the wiring. The PCB substrate 2 is made of a conventional material. The light guide strip 3 is made of transparent plastic materials or transparent glass. In order to make each strip-shaped light guide section 3a present different colors, there are the following two embodiments:
embodiment 1:
Further, in order to effectively reduce the length of the light mixing section 3b1, save installation space, and make the structure of the whole teaching device more compact, the light mixing section 3b1 is a spiral structure.
Embodiment 2:
the adjacent light guide strips 3 have different colors, preferably, the colors of the light guide strips 3 are different, so that the light sources 4 (of common types) of the same type can be used, and the cost is low. Meanwhile, the structure of the light-entering section 3b is also simpler than that of embodiment 1, and the manufacturing cost is further reduced.
Referring to fig. 4, the outer peripheral surface of the strip-shaped light guide section 3a is provided with a diffuse reflection structure 3a1 for allowing light to pass through, and the diffuse reflection structure 3a1 extends along the strip-shaped light guide section 3a and is located at the side of the strip-shaped light guide section 3a where the wire runs to the dummy slit 2 a. In this embodiment, the diffuse reflection structure 3a1 is a striped frosted structure, and compared with the conventional toothed or convex diffuse reflection structure 3a1, the strip-shaped light guide section 3a has a more uniform, softer, non-abrupt lighting effect and a better viewing angle effect.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (1)
1. The utility model provides a PCB circuit board circuit simulation analysis demonstration teaching device, includes base (1) and PCB base plate (2), its characterized in that: the base (1) is of a box-shaped structure with an opening at one side, the PCB substrate (2) is installed at the opening position of the base (1), a plurality of wire trend simulation slits (2a) extending in a straight line or a curve are formed in the PCB substrate (2), light guide strips (3) corresponding to the wire trend simulation slits (2a) one by one are arranged on the PCB substrate (2), each light guide strip (3) comprises a strip-shaped light guide section (3a) and a light inlet section (3b) formed by bending one end of the strip-shaped light guide section (3a) towards the inside of the base (1), each strip-shaped light guide section (3a) is embedded into the corresponding wire trend simulation slit (2a) and extends along the corresponding wire trend simulation slit (2a), a light source (4) is arranged on the light inlet section (3b), light emitted by each light source (4) can be emitted from the outer end face of the corresponding light inlet section (3b), so as to light up the corresponding strip-shaped light guide sections (3a) and make each strip-shaped light guide section (3a) present different colors;
the light inlet section (3b) comprises a light mixing part (3b1) connected with the strip-shaped light guide section (3a) and a light guide part (3b2) connected with one end, far away from the strip-shaped light guide section (3a), of the light mixing part (3b1), and each light source (4) is respectively positioned at the outer end of the corresponding light guide part (3b 2);
the light source (4) is an RGB three-color LED light source, the light guide-in part (3b2) comprises three light-receiving strips (3b21), one ends of the three light-receiving strips (3b21) are connected with the light-mixing part (3b1), and the other ends of the three light-receiving strips are respectively in one-to-one correspondence with three LEDs (4a) of the RGB three-color LED light source;
PCBA circuit boards (4b) of the RGB three-color LED light sources are clamped and mounted on the base (1);
the light mixing part (3b1) is of a spiral structure;
the outer peripheral surface of the strip-shaped light guide section (3a) is provided with a diffuse reflection structure (3a1) capable of enabling light to penetrate out, the diffuse reflection structure (3a1) extends along the strip-shaped light guide section (3a) and is positioned on one side, exposed out of the wire, of the strip-shaped light guide section (3a) and towards the simulation seam (2 a);
the diffuse reflection structure (3a1) is a strip-shaped frosted structure;
the base (1), the PCB substrate (2) and the light guide strip (3) are all made of insulating materials;
the light guide strip (3) is made of transparent plastic materials or transparent glass;
the colors of the adjacent light guide strips (3) are different, and the parameters of the light sources (4) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011208713.9A CN112258948B (en) | 2020-11-03 | 2020-11-03 | PCB circuit board circuit simulation analysis demonstration teaching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011208713.9A CN112258948B (en) | 2020-11-03 | 2020-11-03 | PCB circuit board circuit simulation analysis demonstration teaching device |
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| CN112258948A CN112258948A (en) | 2021-01-22 |
| CN112258948B true CN112258948B (en) | 2022-07-12 |
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