CN219370505U

CN219370505U - Electrical experiment device

Info

Publication number: CN219370505U
Application number: CN202223494202.5U
Authority: CN
Inventors: 宋丽娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-07-18
Anticipated expiration: 2032-12-27

Abstract

The utility model belongs to the field of electrical experiments, and particularly relates to an electrical experiment device. The device comprises a shell body, a monitoring alarm screen I, a monitoring alarm screen II, an interface I, an interface II, a touch screen, an interface III, a controlled source and a simulation display screen; the upper end of the vertical middle line of the outer shell is provided with a touch screen, and the top angles at the left side and the right side of the touch screen (6) are respectively provided with a monitoring alarm screen I and a monitoring alarm screen II; the intelligent monitoring alarm device is characterized in that an interface I and an interface II are sequentially arranged below the monitoring alarm screen I, an interface III and a controlled source are sequentially arranged below the touch screen, and a simulation display screen is arranged below the monitoring alarm screen II. The test equipment used for realizing the existing high-school not only can realize the test environment of analog electronics and digital electronics, but also can realize the running environment of a power grid in strong electricity.

Description

Electrical experiment device

Technical Field

The utility model belongs to the field of electrical experiments, and particularly relates to an electrical experiment device.

Background

The university electrical discipline relates to analog electronics and digital electronics, but students with strong electricity in three or four stages need to perform the operation environment of the power grid, but more fluctuation of electric energy in the operation environment of the power grid, such as harmonic waves, unbalance degree, voltage flicker and the like, can not realize the simulation of the environment of the whole power grid, so that an electrical test device is urgently needed to realize not only the teaching experiment of analog electronics and digital electronics, but also the simulation of the environment of the power grid in the experimental environment at the later stage so as to realize the operation environment of the power grid in the strong electricity in the experimental environment.

Disclosure of Invention

The utility model provides an electrical experimental device which is used for realizing the experimental device in the existing high-school, so that not only can the experimental environment of analog electronics and digital electronics be realized, but also the operation environment of a power grid in strong electricity can be realized.

The utility model is realized by the following technical scheme:

an electrical experimental device comprises an outer shell 1, a monitoring alarm screen I2, a monitoring alarm screen II 3, an interface I4, an interface II 5, a touch screen 6, an interface III 7, a controlled source 8 and a simulation display screen 9;

the upper end of the vertical middle line of the outer shell 1 is provided with a touch screen 6, and the top angles of the left side and the right side of the touch screen 6 are respectively provided with a monitoring alarm screen I2 and a monitoring alarm screen II 3; the lower part of the monitoring alarm screen I2 is provided with an interface I4 and an interface II 5 in sequence, the lower part of the touch screen 6 is provided with an interface III 7 and a controlled source 8 in sequence, and the lower part of the monitoring alarm screen II 3 is provided with a simulation display screen 9.

Further, the interface I4 is a high-power interface; the interface II 5 is a tested load interface.

Further, the controlled source 8 is a digital controlled source, and the digital controlled source is connected with the simulation display screen 9 through the interface III 7.

Further, the interface III 7 comprises an opto-isolator I, an A/D converter I and a current/voltage transformer, wherein the current/voltage transformer is connected with the interface II 5, and the current/voltage transformer is connected with a digital controlled source through the opto-isolator I and the A/D converter I.

Further, the interface III 7 further comprises an output port, an optical isolator II and an A/D converter II, wherein the output port is connected with the digital controlled source and the A/D converter II respectively, the A/D converter II is connected with the optical isolator II, and the optical isolator II is connected with the interface I4.

Further, the monitoring alarm screen I2 is a monitoring alarm unit I, and the monitoring alarm screen II 3 is a monitoring alarm unit II.

Further, the touch screen 6 is a man-machine interaction interface, the man-machine interaction interface is respectively connected with a memory and a monitoring alarm unit II, the memory is connected with a control module, the control module is respectively connected with a monitoring alarm unit I and a monitoring alarm unit II, the monitoring alarm unit I is respectively connected with an interface I4 and an interface II 5, the monitoring alarm unit II is connected with a simulation display screen 9, and the simulation display screen 9 is a digital simulation reality module.

The beneficial effects of the utility model are as follows:

the utility model can simulate the power grid environment.

The utility model has low cost and good compatibility.

The utility model can realize the simulation of different power grid environments according to teaching requirements, and can be realized by externally connecting any waveform voltage or current source through the interface I.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a system diagram of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Under the control of read-in signals, the interface I4 and the interface II 5 form analog voltage and current signals on ports of the interface I4 and the interface II; the output port controls the operation of a waveform voltage or a current source externally connected with an interface I4 through an A/D converter II and an opto-isolator II; the tested load of the interface II 5 is connected with the opto-isolator I, the A/D converter I and the current/voltage transformer, and the generated compensatory property is displayed on the simulation display screen 9 through the output port; the compensation signal is fed back to the output port as a digitally controlled source. All running data are transmitted to the memory and the control unit through the monitoring alarm unit I and the monitoring alarm unit II.

Claims

1. The electrical experimental device is characterized by comprising an outer shell (1), a monitoring alarm screen I (2), a monitoring alarm screen II (3), an interface I (4), an interface II (5), a touch screen (6), an interface III (7), a controlled source (8) and a simulation display screen (9);

a touch screen (6) is arranged at the upper end of a vertical middle line of the outer shell (1), and a monitoring alarm screen I (2) and a monitoring alarm screen II (3) are respectively arranged at the left and right vertex angles of the touch screen (6); the device is characterized in that an interface I (4) and an interface II (5) are sequentially arranged below the monitoring alarm screen I (2), an interface III (7) and a controlled source (8) are sequentially arranged below the touch screen (6), and a simulation display screen (9) is arranged below the monitoring alarm screen II (3).

2. An electrical test device according to claim 1, wherein the interface i (4) is a high power interface; the interface II (5) is a tested load interface.

3. An electrical laboratory device according to claim 2, characterized in that the controlled source (8) is a digital controlled source, which is connected to the simulation display screen (9) via an interface iii (7).

4. An electrical laboratory device according to claim 3, characterized in that the interface iii (7) comprises an opto-isolator i, an a/D converter i and a current/voltage transformer, which is connected to the interface ii (5), which is connected to the a/D converter i via the opto-isolator i to a digitally controlled source.

5. An electrical test device according to claim 4, wherein the interface iii (7) further comprises an output port, an optical isolator ii and an a/D converter ii, the output port being connected to the digitally controlled source and the a/D converter ii, respectively, the a/D converter ii being connected to the optical isolator ii, the optical isolator ii being connected to the interface i (4).

6. An electrical experimental device according to claim 1, wherein the monitoring alarm screen i (2) is a monitoring alarm unit i, and the monitoring alarm screen ii (3) is a monitoring alarm unit ii.

7. The electrical experimental device according to claim 6, wherein the touch screen (6) is a human-computer interaction interface, the human-computer interaction interface is respectively connected with a memory and a monitoring alarm unit II, the memory is connected with a control module, the control module is respectively connected with a monitoring alarm unit I and a monitoring alarm unit II, the monitoring alarm unit I is respectively connected with an interface I (4) and an interface II (5), the monitoring alarm unit II is connected with a simulation display screen (9), and the simulation display screen (9) is a digital simulation reality module.