CN111402689A - Multifunctional auxiliary error correction experiment board - Google Patents
Multifunctional auxiliary error correction experiment board Download PDFInfo
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- CN111402689A CN111402689A CN202010194293.7A CN202010194293A CN111402689A CN 111402689 A CN111402689 A CN 111402689A CN 202010194293 A CN202010194293 A CN 202010194293A CN 111402689 A CN111402689 A CN 111402689A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- 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 multifunctional auxiliary error correction experiment board, and relates to the technical field of experiment devices, the multifunctional auxiliary error correction experiment board comprises an experiment board body and a wire needle head, the experiment board body comprises a needle hole layer and a contact layer, wherein a cavity groove distributed in a rectangular array is formed in the needle hole layer, a needle head sleeve is inserted in the cavity groove, two ends of the needle head sleeve respectively extend to two sides of the outer part of the needle hole layer, a contact head is arranged at the bottom end of the needle head sleeve, a spring is also arranged in the cavity groove and sleeved outside the needle head sleeve, contacts distributed in the rectangular array are arranged on the upper surface of the contact layer, and the wire needle head is arranged above the needle head sleeve. Greatly improving the flexibility of the experiment and being beneficial to the smooth operation of the experiment.
Description
Technical Field
The invention belongs to the technical field of experimental devices, and particularly relates to a multifunctional auxiliary error correction experimental board.
Background
Students in electronic and related professions need to perform basic experiments of electronic technology according to the requirements of the teaching outline. Besides the testing instrument, the experimental device also needs an experimental board for building a circuit.
The traditional experiment board is generally divided into two types, one type is a fixed connecting line or a semi-fixed connecting line which is welded on the PCB. Signal input and output, power supply, control and other socket ports are reserved on the PCB; the other is a bread board, which is used by students for plugging elements and connecting wires.
The PCB as the experimental board has the advantages that the connecting wire is simple, errors are not easy to occur, and the defects that the operation of students is limited because the wire cannot be randomly modified are overcome; the bread board as experimental board has the advantages of enhancing the manual ability of students, having flexible and variable circuit and having the defect that the error correction is difficult when the connection is in error.
Based on the above problems, the present invention provides a multifunctional auxiliary error correction experimental board.
Disclosure of Invention
The invention aims to provide a multifunctional auxiliary error correction experiment board, which aims to solve the problems in the background technology, can freely build a circuit, perform flexible experiments, and achieve the effects of predicting fault positions and helping users to correct problems.
In order to achieve the purpose, the invention provides the following technical scheme: multi-functional supplementary error correction experiment board, including experiment board body and wire syringe needle, the experiment board body includes pinhole layer and contact layer, wherein the chamber groove that is the distribution of rectangular array is seted up to the inside of pinhole layer, and the inside in chamber groove inserts and is equipped with the syringe needle sleeve, the telescopic both ends of syringe needle extend to the outside both sides of pinhole layer respectively, and the telescopic bottom of syringe needle installs the contact head, simultaneously the inside in chamber groove still is provided with the spring, and the spring housing locates the telescopic outside of syringe needle, the last surface mounting on contact layer has the contact that is the distribution of rectangular array, the telescopic top of syringe needle is located to the wire syringe needle.
Preferably, two first connecting blocks are symmetrically installed at one end of the experiment board body, first connecting grooves corresponding to the two first connecting blocks in a one-to-one mode are symmetrically formed in the experiment board body relative to one end of each first connecting block, two second connecting blocks are symmetrically installed on one side, adjacent to the first connecting blocks, of the experiment board body, and second connecting grooves matched with the two second connecting blocks are symmetrically formed in one side, opposite to the second connecting blocks, of the experiment board body.
Preferably, a hollow groove is formed in the needle sleeve, and the hollow groove is matched with the wire needle.
Preferably, the tip of the needle hub is further formed with a rim having a cross-sectional diameter greater than the cross-sectional diameter of the cavity.
Preferably, the bottom end of the contact head can be contacted with two adjacent contacts on the top of the contact layer.
Preferably, the bottom end of the guide wire needle head is further formed with a tip, and the tip is in a triangular structure.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention can detect the connection relation of the circuit through the movable needle sleeve structure, is beneficial to the experiment operation of students and provides convenience for the experiment of the students.
(2) According to the invention, through the two-layer error correction experiment plate structure, a plurality of error correction experiment plates can be spliced into a large-area error correction experiment plate, a circuit can be set up at will, and the experiment flexibility is greatly improved.
(3) According to the invention, through the experiment plate structure with the scanning contact, the fault position can be presumed, the problem correction can be helped for a user, the smooth experiment is favorably carried out, the experiment progress is favorably accelerated, and the time is effectively saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a top view of a pinhole layer of the invention;
FIG. 4 is a top view of a contact layer of the present invention;
FIG. 5 is a schematic view of the needle hub of the present invention;
FIG. 6 is a distribution diagram of a contact local unit of the present invention;
FIG. 7 is a system diagram of the present invention in use;
FIG. 8 is a profile of a contact scan of the present invention;
in the figure: 1-experiment board body; 101-a pinhole layer; 102-a contact layer; 2-a needle hub; 3-contact; 4-a guide wire needle; 5-a spring; 6-contact head; 7-cavity groove; 8-a first connection block; 9-a second connecting block; 10-a second connecting groove; 11-first connecting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the multifunctional auxiliary error correction experiment board comprises an experiment board body 1 and a wire needle 4, wherein the experiment board body 1 comprises a needle hole layer 101 and a contact layer 102, a cavity groove 7 distributed in a rectangular array is formed in the needle hole layer 101, the needle sleeve 2 is inserted into the cavity groove 7, two ends of the needle sleeve 2 respectively extend to two sides of the outside of the needle hole layer 101, a contact head 6 is mounted at the bottom end of the needle sleeve 2, a spring 5 is further arranged inside the cavity groove 7, the spring 5 is sleeved outside the needle sleeve 2, contacts 3 distributed in the rectangular array are mounted on the upper surface of the contact layer 102, the wire needle 4 is arranged above the needle sleeve 2, an edge is further formed at the top end of the needle sleeve 2, the section diameter of the edge is larger than that of the cavity groove 7, and a tip is further formed at the bottom end of the wire needle 4 and is of a triangular structure;
wherein: the needle bore layer 101 secures the needle hub 2 and the spring 5 so that the needle hub 2 can move up and down but does not disengage; the contact layer 102 can detect that the needle sleeve 2 is pressed down, and meanwhile, a circuit is arranged in the contact layer 102, so that the contact 3 can be scanned, and the plugging operation of a user on a needle hole is transmitted to a computer in real time.
As shown in fig. 1, 2 and 6, two first connecting blocks 8 are symmetrically installed at one end of the experiment board body 1, first connecting grooves 11 corresponding to the two first connecting blocks 8 one to one are symmetrically formed in one end of the experiment board body 1 opposite to the first connecting blocks 8, two second connecting blocks 9 are symmetrically installed on one side of the experiment board body 1 adjacent to the first connecting blocks 8, and second connecting grooves 10 matched with the two second connecting blocks 9 are symmetrically formed in one side of the experiment board body 1 opposite to the second connecting blocks 9;
specifically, the method comprises the following steps: the experiment board body 1 is a board with 30 × 14 holes, and simultaneously through first connecting block 8, first connecting groove 11, second connecting block 9 and second connecting groove 10, can realize that a plurality of experiment board bodies 1 can splice into a large-area error correction experiment board, and the array is constituteed to the contact 3 on the contact layer 102 in addition.
As shown in fig. 5, a hollow groove is formed inside the needle hub 2, and the hollow groove is matched with the wire needle 4;
specifically, the method comprises the following steps: insert the inside hollow groove of syringe needle sleeve 2 with wire syringe needle 4, syringe needle sleeve 2 can be fixed with 4 centre gripping of wire syringe needle, and during the experiment, the user inserts wire syringe needle 4 in syringe needle sleeve 2 to drive syringe needle sleeve 2 downstream, insert the pine hand after, under the effect of spring 5, syringe needle sleeve 2 return.
As shown in fig. 5, the bottom end of the contact head 6 can contact with two contacts 3 adjacent to the top of the contact layer 102;
specifically, the method comprises the following steps: when the wire needle head 4 is inserted, the contact head 6 moves downwards to contact with the two adjacent contacts 3, so that the two adjacent contacts 3 are conducted, and after the hands are released, the contact head 6 returns to the original position, so that the two adjacent contacts 3 are disconnected.
FIG. 7 is a system diagram of the present invention, wherein the system structure comprises the multifunctional auxiliary error correction laboratory plate, the hardwood classroom instrument, the computer and the control software on the computer;
specifically, the method comprises the following steps: when the student tests, elements and wires are inserted into the error correction experiment board, the error correction experiment board can detect the insertion positions of the elements and the insertion positions of the wires, the data are transmitted to the computer, control software of the computer can mark the schematic diagram and the physical diagram, after the circuit is built, the student inserts a hardwood classroom instrument probe into the error correction experiment board, the error correction experiment board detects the insertion positions of the probes, and transmits the positions to the computer, so that the physical hardware and the connection relation between the physical instrument and the physical hardware exist in the computer, then the student runs a hardwood classroom virtual instrument to test, the software can judge a test result and prompt the place where an error appears, then the student can find the wrong position on the corresponding experiment board according to the physical diagram prompt in the computer, and the test is carried out again after correction until the test is completed.
As shown in fig. 8, a distribution diagram during contact scanning according to the present invention is illustrated in this embodiment by taking one 4 × 4 cell as an example:
during operation of the correction experiment board, the chip controls B1B 2B 3B 4 and a1 a2 A3 a4 to scan as follows, for example, when the needle hub at the position of the circle is pressed:
with a logic 1 level on B1, reads A1 through A4, all detect logic 0's.
Placing a logic 1 level on B2 detects that A2 is a logic 1 and A1A 3A 4 is a logic 0.
With a logic 1 level on B3, reads A1 through A4, all detect logic 0's.
With a logic 1 level on B4, reads A1 through A4, all detect logic 0's.
The working principle and the using process of the invention are as follows: when a user conducts an experiment, an experimental circuit schematic diagram is drawn in upper computer software of a computer, after the schematic diagram is drawn, a real object diagram in the software is opened, at the moment, the real object diagram displays a blank experimental board body 1, the end A of a wire is plugged in by the user, the experimental board body 1 detects the end A position and transmits the end A to the computer, the computer software marks the corresponding position in the real object diagram, the end B of the wire is plugged in by the user, the computer software marks the corresponding position in the real object diagram and connects the drawing lines of the points A and B, when the user plugs in an 8-pin chip, the experimental board body 1 detects that 8 pin holes are pressed down simultaneously and transmits data to the computer, after the computer software receives the data, the 8-pin chip image is drawn in the real object diagram, the user also draws a similar process when plugging in a 14-pin chip, and after the real object diagram of the experimental circuit is plugged in, the connection relationship can be correspondingly drawn in the real, then a user clicks one probe of a virtual instrument of computer software, then a lead needle 4 of the hardwood classroom instrument is inserted on the experiment board body 1, the experiment board body 1 identifies the position and transmits the position to a computer, the computer draws the connection relation between the instrument and a circuit, after the instrument is connected, an experiment is started, the computer software compares the data collected by the instrument with the data simulated by the schematic diagram, judges whether the signal in the real object circuit is correct or not, if not, deduces the wrong position according to the data of a plurality of test points, and marking in the computer physical map, prompting a user to detect a circuit at the position, prompting the user to move the test lead needle 4 to the test point specified by the computer physical map by software if the fault position is not well presumed according to the data of the test point, detecting and presuming the fault position, and prompting the user that the result is correct if the test is correct.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Multi-functional supplementary error correction laboratory sheet, its characterized in that: including experiment board body (1) and wire syringe needle (4), experiment board body (1) includes pinhole layer (101) and contact layer (102), wherein chamber groove (7) that are the distribution of rectangular array are seted up to the inside of pinhole layer (101), and the inside of chamber groove (7) is inserted and is equipped with syringe needle sleeve (2), the both ends of syringe needle sleeve (2) extend to the outside both sides of pinhole layer (101) respectively, and contact (6) are installed to the bottom of syringe needle sleeve (2), simultaneously the inside of chamber groove (7) still is provided with spring (5), and spring (5) cover locates the outside of syringe needle sleeve (2), the last surface mounting of contact layer (102) has contact (3) that are the distribution of rectangular array, the top of syringe needle sleeve (2) is located to wire syringe needle (4).
2. The multi-functional supplementary error correction laboratory plate of claim 1, characterized by: two first connecting blocks (8) are installed to the one end symmetry of experiment board body (1), and experiment board body (1) for the one end symmetry of first connecting block (8) offer with first connecting groove (11) of two first connecting blocks (8) one-to-one, simultaneously experiment board body (1) is adjacent to one side of first connecting block (8) still symmetry install two second connecting blocks (9), and experiment board body (1) for the one side symmetry of second connecting block (9) offer with two second connecting block (9) assorted second connecting groove (10).
3. The multi-functional supplementary error correction laboratory plate of claim 1, characterized by: the inside of syringe needle sleeve (2) has seted up the cavity groove, and cavity groove and wire syringe needle (4) phase-match.
4. The multi-functional supplementary error correction laboratory plate of claim 1, characterized by: the top end of the needle head sleeve (2) is also provided with a rim, and the section diameter of the rim is larger than that of the cavity groove (7).
5. The multi-functional supplementary error correction laboratory plate of claim 1, characterized by: the bottom end of the contact head (6) can be contacted with two adjacent contacts (3) on the top of the contact layer (102).
6. The multi-functional supplementary error correction laboratory plate of claim 1, characterized by: the bottom end of the wire needle head (4) is also provided with a tip, and the tip is of a triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010194293.7A CN111402689A (en) | 2020-03-19 | 2020-03-19 | Multifunctional auxiliary error correction experiment board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010194293.7A CN111402689A (en) | 2020-03-19 | 2020-03-19 | Multifunctional auxiliary error correction experiment board |
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| Publication Number | Publication Date |
|---|---|
| CN111402689A true CN111402689A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010194293.7A Pending CN111402689A (en) | 2020-03-19 | 2020-03-19 | Multifunctional auxiliary error correction experiment board |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307146Y (en) * | 2008-12-08 | 2009-09-09 | 中国人民解放军63908部队 | Mapping device of circuit board schematic diagram |
| CN202771699U (en) * | 2012-09-15 | 2013-03-06 | 李忠孝 | Universal plate for circuit experiment |
| KR20150118075A (en) * | 2015-10-03 | 2015-10-21 | 이재국 | Mini Baro Board |
| CN106997710A (en) * | 2017-06-14 | 2017-08-01 | 哈尔滨工业大学 | A kind of building block type electronic experiment teaching aid |
| CN207204161U (en) * | 2017-09-19 | 2018-04-10 | 玉溪师范学院 | A kind of Experiment of Electronic Technology table apparatus |
| CN208422210U (en) * | 2017-12-01 | 2019-01-22 | 偃师市正浩仪器设备有限公司 | A kind of magnetic induction line demonstration teaching aid |
| CN209657615U (en) * | 2019-01-16 | 2019-11-19 | 塔娜 | A kind of plug-in type digital circuit demonstration board |
-
2020
- 2020-03-19 CN CN202010194293.7A patent/CN111402689A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307146Y (en) * | 2008-12-08 | 2009-09-09 | 中国人民解放军63908部队 | Mapping device of circuit board schematic diagram |
| CN202771699U (en) * | 2012-09-15 | 2013-03-06 | 李忠孝 | Universal plate for circuit experiment |
| KR20150118075A (en) * | 2015-10-03 | 2015-10-21 | 이재국 | Mini Baro Board |
| CN106997710A (en) * | 2017-06-14 | 2017-08-01 | 哈尔滨工业大学 | A kind of building block type electronic experiment teaching aid |
| CN207204161U (en) * | 2017-09-19 | 2018-04-10 | 玉溪师范学院 | A kind of Experiment of Electronic Technology table apparatus |
| CN208422210U (en) * | 2017-12-01 | 2019-01-22 | 偃师市正浩仪器设备有限公司 | A kind of magnetic induction line demonstration teaching aid |
| CN209657615U (en) * | 2019-01-16 | 2019-11-19 | 塔娜 | A kind of plug-in type digital circuit demonstration board |
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Application publication date: 20200710 |
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