A science and technology teaching tool

Abstract

This utility model relates to the field of scientific and technological teaching aids. A scientific and technological teaching aid includes a development board module, an expansion board module, a sensor module, and a power supply module. The expansion board module and the sensor module are equipped with a plug-in mechanism to prevent damage from reverse insertion. The plug-in mechanism contains a connecting mechanism for quick alignment and insertion. A connecting seat is fixedly connected to the expansion board module and the sensor module. The plug-in base is fixedly connected to the upper surface of the connecting seat, and the pins are fixedly connected inside the plug-in base. This scientific and technological teaching aid allows power to the expansion board module by overlapping and connecting the development board module and the sensor module, and then connecting the discharge connector of the power supply module to the second power supply port on the expansion board module using wires. Simultaneously, different sensor modules can be automatically installed and connected to the expansion board module according to requirements using the plug-in mechanism and the connecting mechanism.

Description

Technical Field

[0001] This utility model relates to the field of science and technology teaching aids, specifically to a science and technology teaching aid. Background Technology

[0002] A development board is a hardware device used for teaching and learning. It typically includes components such as a microcontroller, processor, memory, and input / output interfaces, which can help students better understand and master knowledge and skills related to electronics, programming, and the Internet of Things.

[0003] The aforementioned device lacks a structure to prevent burnout caused by misalignment of connectors between the development board and different module boards. As a result, existing development board teaching aids often rely on soldering, DuPont wire connection, DuPont soldering, and PCB design for connection between the development board and module boards. Soldering is difficult to learn and master, and DuPont wire connection is prone to reversed connection or incorrect hole insertion, leading to burnout or loose connection of the connector. Finally, PCB design is too difficult for elementary school students to learn and use. Based on the shortcomings of existing technology, this utility model designs a new technology teaching aid. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a scientific teaching tool that has the advantage of preventing burnout caused by misalignment of the connectors between the development board and different module boards.

[0005] This utility model provides the following technical solution: a scientific teaching aid, comprising a development board module, an expansion board module, a sensor module, and a power supply module. The expansion board module and the sensor module are provided with a connection mechanism to prevent damage from reverse insertion. The connection mechanism includes a connecting mechanism for quick alignment and insertion with the connection mechanism.

[0006] The insertion mechanism includes a connector, a plug, pins, a front guide groove, and a side guide groove. The connector is fixedly connected to the expansion board module and the sensor module. The plug is fixedly connected to the upper surface of the connector. The pins are fixedly connected to the inside of the plug. The front guide groove is located on the front side of the plug. The side guide grooves are located on both sides of the plug.

[0007] As a preferred embodiment of this utility model, the connecting mechanism includes a connector, a pin groove, a front guide strip, a side guide strip, and a wire. The connector is inserted into the inside of the connector socket. The pin groove is formed at the bottom of the connector. The front guide strip is fixedly connected to the front of the connector. The side guide strips are fixedly connected to the left and right sides of the connector. The wire is fixedly connected between the two sets of connectors. The inside of the pin groove is provided with a contact point that connects to the wire.

[0008] As a preferred embodiment of the present invention, the development board module includes a first serial port module, a main chip is disposed on the upper surface of the first serial port module, a first digital interface is disposed on the upper surface of the first serial port module, a first reset button is disposed on the upper surface of the first serial port module, a data interface is disposed on the upper surface of the first serial port module, and a first power supply port is disposed on the upper surface of the first serial port module.

[0009] As a preferred embodiment of the present invention, the expansion board module includes a second serial port module, a second digital interface is provided on the upper surface of the second serial port module, a second power supply port is provided on the upper surface of the second serial port module, and a second reset button is provided on the upper surface of the second serial port module.

[0010] As a preferred embodiment of this utility model, the sensor module includes a relay module, a sensor chip is fixedly connected to the upper surface of the relay module, and expansion holes are provided at the four corners of the relay module.

[0011] As a preferred technical solution of this utility model, the power supply module includes a supporting module, a battery compartment is fixedly connected to the upper surface of the supporting module, a discharge connector is fixedly connected to the upper surface of the supporting module, a charging connector is fixedly connected to the upper surface of the supporting module, and expansion holes are opened at the four corners of the supporting module.

[0012] As a preferred embodiment of this utility model, the number of pins is either three or four, and the pins are inserted into the needle groove.

[0013] As a preferred technical solution of this utility model, the needle groove has two types of holes: three holes and four holes. The hole positions of the three-hole needle groove and the four-hole needle groove are staggered. The front guide strip is inserted into the front guide groove, and the side guide strip is inserted into the side guide groove.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] This technological teaching aid involves selecting a connection mechanism corresponding to the number of pins, placing the connector above the socket, aligning the side guide strip with the side guide groove, and the front guide strip with the front guide groove, and then moving the connector vertically downwards. The connector is then inserted into the socket under the constraints of the side guide strip, front guide strip, front guide groove, and side guide groove, simultaneously inserting the pins into the pin slots. If the number of pins does not match the number of pins or the number of holes in the pin slot does not match the number of pins, the mismatched pins and pin slots will be staggered, preventing the connector from continuously inserting into the socket. If the front guide strip and side guide strip are not aligned with the front guide groove and side guide groove, or are in the opposite position, the connector cannot be inserted into the socket at all. This device helps prevent damage to the sensor module and expansion board module due to misconnection of the interface. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the development board module structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the expansion board module, plug-in mechanism and connection mechanism of this utility model;

[0018] Figure 3 This is an exploded view of the insertion mechanism and connection mechanism of this utility model;

[0019] Figure 4 This is a schematic diagram of the sensor module structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the power supply module structure of this utility model.

[0021] In the diagram: 1. Development board module; 101. First serial port module; 102. Main chip; 103. First digital interface; 104. First reset button; 105. Data interface; 106. First power supply port; 2. Expansion board module; 201. Second serial port module; 202. Second digital interface; 203. Second power supply port; 204. Second reset button; 3. Sensor module; 301. Relay module; 302. Sensor chip; 4. Power supply module; 401. Supporting module; 402. Battery compartment; 403. Discharge connector; 404. Charging connector; 5. Plug-in mechanism; 501. Connector; 502. Plug-in connector; 503. Pin; 504. Front guide groove; 505. Side guide groove; 6. Connection mechanism; 601. Connector; 602. Pin groove; 603. Front guide strip; 604. Side guide strip; 605. Wire. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-5 A technological teaching tool includes a development board module 1, an expansion board module 2, a sensor module 3, and a power supply module 4. The expansion board module 2 and the sensor module 3 are provided with a plug-in mechanism 5 to prevent damage from reverse plugging. The plug-in mechanism 5 is provided with a connection mechanism 6 to facilitate quick alignment and plugging with the plug-in mechanism 5.

[0024] The development board module 1 includes a first serial port module 101, a main chip 102 is provided on the upper surface of the first serial port module 101, a first digital interface 103 is provided on the upper surface of the first serial port module 101, a first reset button 104 is provided on the upper surface of the first serial port module 101, a data interface 105 is provided on the upper surface of the first serial port module 101, and a first power supply port 106 is provided on the upper surface of the first serial port module 101.

[0025] The expansion board module 2 includes a second serial port module 201. The upper surface of the second serial port module 201 is provided with a second digital interface 202, a second power supply port 203, and a second reset button 204.

[0026] The sensor module 3 includes a relay module 301, a sensor chip 302 is fixedly connected to the upper surface of the relay module 301, and expansion holes are provided at the four corners of the relay module 301.

[0027] The power supply module 4 includes a supporting module 401. A battery compartment 402 is fixedly connected to the upper surface of the supporting module 401. A discharge connector 403 is fixedly connected to the upper surface of the supporting module 401. A charging connector 404 is fixedly connected to the upper surface of the supporting module 401. Expansion holes are provided at the four corners of the supporting module 401.

[0028] Please see Figure 2-4The insertion mechanism 5 includes a connector 501, a plug 502, pins 503, a front guide groove 504, and a side guide groove 505. The connector 501 is fixedly connected to the expansion board module 2 and the sensor module 3. The plug 502 is fixedly connected to the upper surface of the connector 501. The pins 503 are fixedly connected to the inside of the plug 502. The front guide groove 504 is opened on the front side of the plug 502. The side guide grooves 505 are opened on both sides of the plug 502. The pins 503 have two types of pins: three pins and four pins. The pins 503 are inserted into the inside of the pin groove 602.

[0029] By setting a front guide groove 504, the front guide strip 603 is limited, and when the connector 601 is inserted into the socket 502, the front guide strip 603 can also be inserted into the front guide groove 504 in a limited state. By setting a side guide groove 505, the side guide strip 604 is limited, and when the connector 601 is inserted into the socket 502, the side guide strip 604 can also be inserted into the side guide groove 505 in a limited state.

[0030] Please see Figure 2-4 The connecting mechanism 6 includes a connector 601, a pin groove 602, a front guide strip 603, a side guide strip 604, and a wire 605. The connector 601 is inserted into the socket 502. The pin groove 602 is located at the bottom of the connector 601. The front guide strip 603 is fixedly connected to the front of the connector 601. The side guide strip 604 is fixedly connected to the left and right sides of the connector 601. The wire 605 is fixedly connected between the two sets of connectors 601. The pin groove 602 has contacts inside that connect to the wire 605. The pin groove 602 has two types of holes: three holes and four holes. The holes of the three-hole pin groove 602 are staggered with those of the four-hole pin groove 602. The front guide strip 603 is inserted into the front guide groove 504, and the side guide strip 604 is inserted into the side guide groove 505.

[0031] By setting the connector 601 and the pin groove 602, it is possible to connect to the socket 502 and allow the pin 503 to be inserted into the pin groove 602 for power connection. By setting the side guide strip 604 and the front guide strip 603, the insertion direction of the connector 601 and the socket 502 can be restricted.

[0032] Working principle: When a technological teaching tool is used, in the initial state, the development board module 1 and the sensor module 3 are first connected in an overlapping manner. Then, the discharge connector 403 of the power supply module 4 is connected to the second power supply port 203 on the expansion board module 2 using wires to supply power to the expansion board module 2. At the same time, different sensor modules 3 can be installed and connected to the expansion board module 2 according to the requirements using the connection mechanism 6 and the plug-in mechanism 5.

[0033] When it is necessary to prevent the sensor module 3 from burning out due to misconnection when connecting to the expansion board module 2, first select the connection mechanism 6 corresponding to the number of pins 503. Then, place the connector 601 above the socket 502, aligning the side guide strip 604 with the side guide groove 505 and the front guide strip 603 with the front guide groove 504. Then, move the connector 601 vertically downwards, so that the connector 601 is inserted into the socket 502 under the constraints of the side guide strip 604, the front guide strip 603, the front guide groove 504, and the side guide groove 505. At the same time, make the pins 503... 03 can be inserted into the pin slot 602. If the number of pins 503 does not match the number of pins in the pin slot 602 or the number of holes in the pin slot 602 does not match the number of pins 503, the mismatched pins 503 and pin slot 602 will be staggered and the connector 601 will not be able to be continuously inserted into the socket 502. If the front guide strip 603 and the side guide strip 604 are not aligned with the front guide groove 504 and the side guide groove 505 or are in the opposite state, the connector 601 will not be able to be inserted into the socket 502 at all. This device helps to prevent the sensor module 3 from being burned out due to misconnection of the interface when connecting the expansion board module 2.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A technological teaching aid, comprising a development board module (1), an expansion board module (2), a sensor module (3), and a power supply module (4), characterized in that: The expansion board module (2) and the sensor module (3) are provided with a plug-in mechanism (5) to prevent damage from reverse plugging. The plug-in mechanism (5) is provided with a connection mechanism (6) to facilitate quick alignment and plugging with the plug-in mechanism (5). The plug-in mechanism (5) includes a connector (501), a plug-in base (502), a pin (503), a front guide groove (504), and a side guide groove (505). The connector (501) is fixedly connected to the expansion board module (2) and the sensor module (3). The plug-in base (502) is fixedly connected to the upper surface of the connector (501). The pin (503) is fixedly connected to the inside of the plug-in base (502). The front guide groove (504) is opened on the front side of the plug-in base (502). The side guide groove (505) is opened on both sides of the plug-in base (502).

2. The scientific teaching aid according to claim 1, characterized in that: The connecting mechanism (6) includes a connector (601), a pin groove (602), a front guide strip (603), a side guide strip (604), and a wire (605). The connector (601) is inserted into the inside of the connector base (502). The pin groove (602) is opened at the bottom of the connector (601). The front guide strip (603) is fixedly connected to the front of the connector (601). The side guide strip (604) is fixedly connected to the left and right sides of the connector (601). The wire (605) is fixedly connected between the two sets of connectors (601). The inside of the pin groove (602) is provided with a contact point that connects to the wire (605).

3. The scientific teaching aid according to claim 1, characterized in that: The development board module (1) includes a first serial port module (101), a main chip (102) is provided on the upper surface of the first serial port module (101), a first digital interface (103) is provided on the upper surface of the first serial port module (101), a first reset button (104) is provided on the upper surface of the first serial port module (101), a data interface (105) is provided on the upper surface of the first serial port module (101), and a first power supply port (106) is provided on the upper surface of the first serial port module (101).

4. A scientific teaching aid according to claim 1, characterized in that: The expansion board module (2) includes a second serial port module (201), a second digital interface (202) is provided on the upper surface of the second serial port module (201), a second power supply port (203) is provided on the upper surface of the second serial port module (201), and a second reset button (204) is provided on the upper surface of the second serial port module (201).

5. A scientific teaching aid according to claim 1, characterized in that: The sensor module (3) includes a relay module (301), on which a sensor chip (302) is fixedly connected. The relay module (301) has expansion holes at its four corners.

6. A scientific teaching aid according to claim 4, characterized in that: The power supply module (4) includes a supporting module (401). A battery compartment (402) is fixedly connected to the upper surface of the supporting module (401). A discharge connector (403) is fixedly connected to the upper surface of the supporting module (401). A charging connector (404) is fixedly connected to the upper surface of the supporting module (401). An expansion hole is provided at the four corners of the supporting module (401).

7. A scientific teaching aid according to claim 3, characterized in that: The number of pins (503) is either three or four, and the pins (503) are inserted into the inside of the pin groove (602).

8. A scientific teaching aid according to claim 2, characterized in that: The needle groove (602) has two types of holes: three holes and four holes. The holes of the three-hole needle groove (602) are staggered from those of the four-hole needle groove (602). The front guide strip (603) is inserted into the front guide groove (504), and the side guide strip (604) is inserted into the side guide groove (505).

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