CN212112931U

CN212112931U - Diode working characteristic demonstrator

Info

Publication number: CN212112931U
Application number: CN202020949366.4U
Authority: CN
Inventors: 雷建设
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-08
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a diode working characteristic demonstrator, including a box body and circuit connection, still include switch 11, voltmeter, diode, conducting switch 15, change over switch 16, loader 17 in the box body, its characterized in that switch 11 and first voltmeter (12) set up in the left side of box body panel, and first voltmeter (12) are in switch 11's below, first diode (13), second diode (14) and conducting switch 15, change over switch 16 set up in the 110 panel intermediate positions of box body, and conducting switch 15 arranges the middle and upper portion in the panel, and on same water flat line with switch 11, loader 17 and second voltmeter (18) set up the right side at the panel; the utility model discloses a demonstration is directly perceived, and is visual strong, experiment convenient operation, and the working property is stable, and teaching demonstration is effectual, has certain use and spreading value.

Description

Diode working characteristic demonstrator

Technical Field

The utility model relates to an electronic components teaching demonstration ware, concretely relates to diode working characteristic demonstration ware.

Background

The diode is one of the most emerging semiconductor devices, has wide application, is taken as an indispensable electronic component in daily life of people, is the teaching content of physics and general technical classes in middle schools, and students feel strange about the learning of the diode due to the fact that teaching lacks of demonstration instruments and the students are difficult to learn, so that the working characteristic demonstrator of the diode is invented by the inventor for teaching to stimulate the enthusiasm of the students in learning physics and other natural sciences, cultivate the observation capability of the students and deepen the understanding of the learned knowledge.

Disclosure of Invention

The utility model discloses a diode working characteristic demonstrator utilizes two high-voltage diodes under switching device, load 220V incandescent bulb and interchange, direct current voltmeter work combination, forms working circuit, can accomplish load 220V incandescent bulb bright and half-bright entirely, and direct current voltmeter shows the effect of positive 110V and negative 110V voltage, and audio-visually demonstrates the working characteristic of diode, and the box body panel that the demonstrator of the invention designed is big, and components and parts and connecting wire are all designed on the panel, and direct-viewing is clear, experiment convenient operation, and teaching demonstration is effectual, has certain use and spreading value.

A diode working characteristic demonstrator comprises a box body and a circuit connection, the box body also comprises a power switch, a voltmeter, a diode, a conducting switch, a change-over switch and a loader, and is characterized in that the power switch, the voltmeter, the diode, the conducting switch, the change-over switch and the loader are all fixed on a panel of the box body, the voltmeter comprises a first voltmeter and a second voltmeter, the diode comprises a first diode and a second diode, the power switch and the first voltmeter are arranged on the left side of the panel of the box body, the first voltmeter is arranged below the power switch, the first diode, the second diode, the conducting switch and the change-over switch are arranged in the middle of the panel of the box body, the first diode and the second diode are close to the left side in the middle and form an equilateral triangle with the change-over switch, the first diode and the second diode are respectively arranged in the upper and lower base angles of the equilateral triangle, the change over switch arranges the equilateral triangle apex angle in, switches on the switch and arranges upper-middle portion in the panel, and on same water flat line with switch, load ware and second voltmeter setting are on the right side of panel, and the second voltmeter is in the below of load ware, and the upper-middle portion position at box body (110) panel is pasted in work name (19).

The power switch is electrically connected with the first voltmeter, the conducting switch, the first diode, the second diode, the change-over switch and the second voltmeter in sequence, and the conducting switch is further connected with the load device to form a working circuit.

Preferably, the diode working characteristic demonstrator is a plastic box with the length of 52cm, the width of 36cm and the height of 8 cm.

Preferably, the working power switch is a DZ47LE leakage protector, the first voltmeter is a 250V alternating-current voltmeter, the second voltmeter is a plus-minus 150V direct-current voltmeter, and the load device is a 25W220V incandescent bulb.

Preferably, the first diode and the second diode are respectively a 3A600V diode, the conducting switch is an MTS-202 toggle switch, and the change-over switch is an MTS-102 toggle switch.

The utility model has the advantages that: the working circuit is formed by utilizing two high-voltage diodes under the working combination of the switching device, the 220V incandescent bulb loaded with the voltage meter and the alternating current voltmeter and the direct current voltmeter, the full brightness and the half brightness of the 220V incandescent bulb loaded with the voltage meter can be finished, the direct current voltmeter displays the positive 110V voltage effect and the negative 110V voltage effect, the working characteristics of the diodes are intuitively demonstrated, the experiment operation is convenient, the working performance is stable, the teaching demonstration effect is good, and the device has certain use and popularization values.

Drawings

FIG. 1 is a schematic diagram of a diode performance characteristic demonstrator panel structure;

fig. 2 is a schematic diagram of the connection of components of a diode operating characteristic demonstrator.

FIG. 1 illustrates in numbered detail: 11-power switch, 12-first voltmeter, 13-first diode, 14-second diode, 15-conducting switch, 16-change-over switch, 17-load device, 18-second voltmeter, 19-name of work, 110-box body.

Detailed Description

FIG. 1 and FIG. 2 show that the diode working characteristic demonstrator includes a plastic box 110 with a length of 52cm, a width of 36cm and a height of 8cm and circuit connection, the box 110 further includes a power switch 11, a voltmeter, a diode, a conducting switch 15, a transfer switch 16 and a load 17, and is characterized in that the power switch 11, the voltmeter, the diode, the conducting switch 15, the transfer switch 16 and the load 17 are all fixed on the panel of the box 110, the voltmeter includes voltmeter 1 (12) and voltmeter 2 (18), the diode includes diode 1 (13) and diode 2 (14), the power switch 11 and voltmeter 1 (12) are arranged on the left side of the box panel, and voltmeter 1 (12) is arranged below the power switch 11, the diode 1 (13), diode 2 (14) and the conducting switch 15 and the transfer switch 16 are arranged in the middle position of the box panel 110, the diode 1 (13), the diode 2 (14) are near the left side of the middle position, and form an equilateral triangle with the change-over switch (16), the diode 1 (13), the diode 2 (14) are respectively arranged on the upper and lower bottom corners of the equilateral triangle, the change-over switch 16 is arranged on the top corner of the equilateral triangle, the conducting switch 15 is arranged in the middle of the panel, and is on the same horizontal line with the power switch 11 and the load device 17, the load device 17 and the voltmeter 2 (18) are arranged on the right side of the panel, the voltmeter 2 (18) is arranged below the load device, and the product name (19) is pasted on the middle upper portion of the panel of the box body (110) near the edge position.

The diode working characteristic demonstrator is connected by components, a power switch 11 is electrically connected with a first voltmeter 12, a conducting switch 15, a first diode 13, a second diode 14, a change-over switch 16, a second voltmeter 18 and a load device 17 in sequence, and the conducting switch 15 is further connected with the load device 17 to form a working circuit.

The diode working characteristic demonstrator selects elements, a DZ47LE leakage protector is selected as a power switch 11, a 250V alternating current voltmeter is selected as a first voltmeter 12, a positive and negative 150V direct current voltmeter is selected as a second voltmeter 18, a 25W220V incandescent bulb is selected as a load device 17, a 3A600V diode is selected as a first diode 13 and a second diode 14 respectively, an MTS-202 toggle switch is selected as a conducting switch 15, and an MTS-102 toggle switch is selected as a changeover switch 16.

The working principle of the diode working characteristic demonstrator is that a DZ47LE leakage protector is selected as a power switch 11, the work is safe and reliable, when the power switch 11 is switched on with 220V alternating current, a pointer of a first voltmeter 12 displays the 220V alternating current, so that a conducting switch 15 (MTS-202 toggle switch is selected and two groups of 6 pins are selected) on a panel is dialed to the right end to enable one group of conducting switches 15 to be connected with one conducting wire of 220V, the switch of a load 17 is in an open position, the incandescent bulb of the load 17 is fully lighted (the 220V alternating current is directly connected to the bulb), when the conducting switch 15 on the panel is dialed to the left end to enable the other group of conducting switches of the conducting switches 15 to be in an open position, the 220V alternating current is respectively connected to a positive electrode of a first diode 13 and a negative electrode of a second diode 14 through conducting wires welded on a contact of the conducting switch 15 and is selected through a change-over, displaying positive 110V, demonstrating that the first diode 13 is conducted in the positive direction, and changing the alternating current into (rectified) positive direct current, wherein the loader 17 is semi-bright; when the switch 16 is turned down, the pointer of the second voltmeter 18 deflects to the left, displaying a negative 110V, demonstrating that the second diode 14 is conducted in the reverse direction, and the alternating current is changed into (rectified) negative direct current, at which time the loader 17 is half bright; this demonstrates the operating characteristics of a diode with single phase conduction and rectification.

The 220V input lead is connected to the middle contacts of two groups of MTS-202 toggle switches selected by the conduction switch 15, one group of output is connected to the right end contact, namely, the connection with the load device, the other group of output is connected to the left end contact, namely, the connection with the two diodes, so that a group of conduction can be formed, the working state of the other group of conduction is that the two diodes do not work when the load device works at 220V alternating current, and the working voltage of the load device is 110V direct current when the diodes work.

The utility model discloses utilize two high voltage diode respectively under switching device, load 220V incandescent bulb and interchange, direct current voltmeter work combination, form work circuit, can accomplish load 220V incandescent bulb bright and half-bright entirely, direct current voltmeter shows the effect of positive 110V and negative 110V voltage, and audio-visual demonstration diode's operating characteristic, experiment convenient operation, the working property is stable, and teaching demonstration is effectual, has certain use and spreading value.

Claims

1. A diode working characteristic demonstrator comprises a box body and a circuit connection, the box body also comprises a power switch (11), a voltmeter, a diode, a conducting switch (15), a change-over switch (16) and a loader (17), the demonstrator is characterized in that the power switch (11), the voltmeter, the diode, the conducting switch (15), the change-over switch (16) and the loader (17) are all fixed on a panel of the box body (110), the voltmeter comprises a first voltmeter (12) and a second voltmeter (18), the diode comprises a first diode (13) and a second diode (14), the power switch (11) and the first voltmeter (12) are arranged on the left side of the panel of the box body, the first voltmeter (12) is arranged below the power switch (11), the first diode (13), the second diode (14), the conducting switch (15) and the change-over switch (16) are arranged in the middle position of the panel of the box body (110), the first diode (13) and the second diode (14) are close to the left side of the middle position and form an equilateral triangle together with the change-over switch (16), the first diode (13) and the second diode (14) are respectively arranged at the upper bottom corner and the lower bottom corner of the equilateral triangle, the change-over switch (16) is arranged at the top corner of the equilateral triangle, the conducting switch (15) is arranged at the middle upper part of the panel and is on the same horizontal line with the power switch (11) and the loader (17), the loader (17) and the second voltmeter (18) are arranged at the right side of the panel, the second voltmeter (18) is arranged below the loader (17), and the product name (19) is pasted at the position close to the edge of the middle upper part of the panel of the box body (110);

the power switch (11) is electrically connected with the first voltmeter (12), the conducting switch (15), the first diode (13), the second diode (14), the change-over switch (16) and the second voltmeter (18) in sequence, and the conducting switch (15) is further connected with the load device (17) to form circuit connection.

2. The diode operating characteristic demonstrator of claim 1, wherein: the box body (110) is a plastic box body with the length of 52cm, the width of 36cm and the height of 8 cm.

3. The diode operating characteristic demonstrator of claim 1, wherein: the power switch (11) is a DZ47LE leakage protector, the first voltmeter (12) is a 250V alternating-current voltmeter, the second voltmeter (18) is a positive and negative 150V direct-current voltmeter, and the load device (17) is a 25W220V incandescent bulb.

4. The diode operating characteristic demonstrator of claim 1, wherein: the first diode (13) and the second diode (14) are respectively a 3A600V diode, the conducting switch (15) is an MTS-202 toggle switch, and the change-over switch (16) is an MTS-102 toggle switch.