CN212112932U

CN212112932U - Diode working performance demonstrator

Info

Publication number: CN212112932U
Application number: CN202020956749.4U
Authority: CN
Inventors: 雷建设
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-31
Filing date: 2020-05-31
Publication date: 2020-12-08
Anticipated expiration: 2030-05-31

Abstract

The utility model relates to a diode working property demonstrator, including a box body 11, still include switch 12, alternating-current voltmeter 13, diode 16, conduction switch 15, direct-current voltmeter 18, load 17 in the box body 11, its characterized in that switch 12, alternating-current voltmeter 13, diode 16, conduction switch 15, direct-current voltmeter 18, load 17 all fix on the panel of box body 11, switch 12 and alternating-current voltmeter 13 set up in box body 11 panel left side, and alternating-current voltmeter 13 is in switch 12's below, diode 16 and conduction switch 15 set up in box body 11 panel intermediate position, and diode 16 is in conduction switch 15 below, load 17 and direct-current voltmeter 18 set up the right side at the panel; the utility model discloses a demonstration is directly perceived, and experiment convenient operation, working property is stable, and teaching demonstration is effectual, has certain use and spreading value.

Description

Diode working performance demonstrator

Technical Field

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

Background

The diode is one of the most recently produced semiconductor devices, has a very wide application range, is an indispensable electronic component in our daily life, is the teaching content of the physics and general technical lessons in middle schools, and is strange for students to learn. The reason is that teaching lacks demonstration instruments and students are difficult to learn, so the invention manufactures a diode working performance demonstrator for teaching to stimulate the enthusiasm of 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 property demonstrator utilizes a high-voltage diode under switching device, load 220V incandescent bulb and exchange, direct current voltmeter work combination, forms the working circuit, can accomplish load 220V incandescent bulb bright and half-bright entirely, direct current voltmeter shows the effect of positive 110V voltage, the audio-visual working characteristic who demonstrates the diode, 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 is visible strong, experiment convenient operation, and teaching demonstration is effectual, has certain use and spreading value.

A diode working performance demonstrator comprises a box body and a circuit, and also comprises a power switch, an alternating-current voltmeter, a diode, a conducting switch, a direct-current voltmeter, a load and a work name in the box body, and is characterized in that the power switch, the alternating-current voltmeter, the diode, the conducting switch, the direct-current ammeter and the load are all fixed on a panel of the box body, the power switch and the alternating-current voltmeter are arranged on the left side of the panel of the box body, the alternating-current voltmeter is arranged below the power switch, the diode and the conducting switch are arranged in the middle of the panel of the box body, the diode is arranged below the conducting switch, the load and the direct-current voltmeter are arranged on the right side of the panel, and the direct-current voltmeter is arranged below the load; the power switch, the conducting switch and the load are sequentially fixed at the middle upper part of the box body panel and are on a horizontal line, and the alternating current voltmeter, the diode and the direct current voltmeter are sequentially fixed at the middle lower part of the box body panel and are on a horizontal line; the work name is pasted on the middle upper part of the box body panel close to the upper edge.

The power switch is electrically connected with the alternating-current voltmeter, the conducting switch and the load in sequence, and the alternating-current voltmeter is further connected with the diode, the direct-current voltmeter and the load device for one time to form a working circuit.

Preferably, the diode working performance demonstrator is a plastic box with the length of 48cm, the width of 33cm and the height of 8 cm.

Preferably, the working power switch is a DZ47LE leakage protector, the AC voltmeter is a 250V AC voltmeter, the DC voltmeter is a 150V DC voltmeter, and the load device is a 25W220V incandescent bulb.

Preferably, the diode is a 3A600V diode, and the conducting switch is an MTS-102 toggle switch.

The utility model has the advantages that: a working circuit is formed by utilizing a high-voltage diode under the working combination of a switching device, a 220V incandescent bulb loaded with a voltage meter and an alternating current voltage meter, the full brightness and the half brightness of the 220V incandescent bulb loaded with the voltage meter can be finished, the direct current voltage meter displays the working performance of directly demonstrating the one-way conduction and the rectification of the diode in a 110V visual mode, the visibility is strong, the experiment operation is convenient, the working performance is stable, the teaching demonstration effect is good, and the teaching demonstration device has certain use and popularization values.

Drawings

FIG. 1 is a schematic diagram of a design structure of a panel element of a diode working performance demonstrator box body;

fig. 2 is a schematic diagram of the circuit connection of the components of the diode working performance demonstrator.

FIG. 1 depicts in notation: 11-box body, 12-power switch, 13-alternating current voltmeter, 14-name of work, 15-conducting switch, 16-diode, 17-load, 18-direct current voltmeter.

Detailed Description

Fig. 1 and fig. 2 show that the diode working performance demonstrator of the present invention comprises a plastic box 11 with a length of 48cm, a width of 34cm and a height of 8cm and a circuit connection, the box 11 further comprises a power switch 12, an ac voltmeter 13, a diode 16, a conduction switch 15, a dc voltmeter 18, a load 17 and a work name 14, and is characterized in that the power switch 12, the ac voltmeter 13, the diode 16, the conduction switch 15, the dc voltmeter 18 and the load 17 are all fixed on the panel of the box 11, the power switch 12 and the ac voltmeter 13 are arranged on the left side of the panel of the box 11, the ac voltmeter 13 is arranged below the power switch 12, the diode 16 and the conduction switch 15 are arranged in the middle of the panel of the box 11, the diode 16 is arranged below the conduction switch 15, the load 17 and the dc voltmeter 18 are arranged on the right side of the panel, the direct-current voltmeter 18 is arranged below the load 17; the power switch 12, the conducting switch 15 and the load 17 are sequentially fixed at the middle upper part of the panel of the box body 11 and are on a horizontal line, and the alternating current voltmeter 13, the diode 16 and the direct current voltmeter 18 are sequentially fixed at the middle lower part of the panel of the box body 11 and are on a horizontal line; the work name 14 is attached to the middle of the panel of the box body 11 near the upper edge.

The power switch 11 is electrically connected with the alternating current voltmeter 13, the conducting switch 15 and the load 17 in sequence, and the alternating current voltmeter 13 is also connected with the diode 16, the direct current voltmeter 18 and the load 17 in sequence to form the connection of the working circuit.

The diode working performance demonstrator selects elements, a working power switch 12 selects a DZ47LE leakage protector, an alternating current voltmeter 13 selects a 250V alternating current voltmeter, a direct current voltmeter 18 selects a 150V direct current voltmeter, a load 17 selects a 25W220V incandescent bulb, a diode 16 selects a 3A600V diode, and a conduction switch 15 selects an MTS-102 toggle switch.

The working principle of the diode working performance demonstrator is that a DZ47LE leakage protector is selected as a working power switch 12, the working is safe and reliable, when the power switch 12 is connected with 220V alternating current, a pointer of an alternating current voltmeter 13 displays 220V, so that a conducting switch 15 (MTS-102 is selected to toggle a switch, 1 group of 3 pins) on a panel is dialed to the right end to enable a contact of the conducting switch 15 to be connected with one conducting wire of 220V, the other contact of the conducting switch 15 to a switch of a loader 17 is in an open position, the incandescent bulb of the loader 17 is fully bright (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 conducting switch 15 to be in an open position, the 220V alternating current is applied to the anode of a diode to enable the pointer of a direct current voltmeter 18 to deflect rightwards to display positive 110V, which is that the diode 16 is in forward conduction, at this time, the load 17 is half bright (the load is operated as 110V dc); this demonstrates the performance of the diode with single phase conduction and rectification.

The conducting switch 15 and the diode 16 are connected in parallel between the power switch 12 and the load 17, when the conducting switch 15 is in an open position, 220V ac is directly connected to the load, although 220V ac is also connected to the anode of the diode 16, no current flows, the diode 16 is in an off state, when the conducting switch 15 is in an off (disconnected) position, the diode 16 is operated, and since the anode of the diode 16 is connected with 220V ac, the positive half cycle of the ac is conducted, and the negative half cycle of the ac is not conducted, the dc meter 18 displays 110V dc.

The utility model discloses utilize a 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 voltage, and audio-visual demonstration diode's operating characteristic demonstrates visuality, experiment convenient operation, and the working property is stable, and the teaching demonstration is effectual, has certain use and spreading value.

Claims

1. A diode working performance demonstrator comprises a plastic box body (11) which is 48cm long, 34cm wide and 8cm high and is connected with a circuit, the box body (11) further comprises a power switch (12), an alternating-current voltmeter (13), a diode (16), a conducting switch (15), a direct-current voltmeter (18), a load (17) and a work name (14), the demonstrator is characterized in that the power switch (12), the alternating-current voltmeter (13), the diode (16), the conducting switch (15), the direct-current voltmeter (18) and the load (17) are all fixed on a panel of the box body (11), the power switch (12) and the alternating-current voltmeter (13) are arranged on the left side of the panel of the box body (11), the alternating-current voltmeter (13) is arranged below the power switch (12), the diode (16) and the conducting switch (15) are arranged in the middle position of the panel of the box body (11), the diode (16) is arranged below the conducting switch (15), the load (17) and the direct-current voltmeter (18) are arranged on the right side of the panel, and the direct-current voltmeter (18) is arranged below the load (17); the power switch (12), the conducting switch (15) and the load (17) are sequentially fixed at the middle upper part of the panel of the box body (11) and are on a horizontal line, and the alternating current voltmeter (13), the diode (16) and the direct current voltmeter (18) are sequentially fixed at the middle lower part of the panel of the box body (11) and are on a horizontal line; the work name (14) is pasted at the position, close to the upper edge, of the middle of the panel of the box body (11);

the power switch (12) is electrically connected with the alternating-current voltmeter (13), the conducting switch (15) and the load (17) in sequence, and the alternating-current voltmeter (13) is further connected with the diode (16), the direct-current voltmeter (18) and the load (17) in sequence to form a working circuit.

2. The diode working performance demonstrator of claim 1, wherein: the power switch (12) is a DZ47LE leakage protector, the conducting switch (15) is an MTS-102 toggle switch, and the load (17) is a 25W220V incandescent bulb.

3. The diode working performance demonstrator of claim 1, wherein: the diode (16) is a 3A600V diode, the alternating current voltmeter (13) is a 250V alternating current voltmeter, and the direct current voltmeter (18) is a 150V direct current voltmeter.