CN210038047U

CN210038047U - Acousto-optic MOS electric leakage fault alarm

Info

Publication number: CN210038047U
Application number: CN201920343334.7U
Authority: CN
Inventors: 黄玲玲
Original assignee: Tianchang Longheng Electronics Co Ltd
Current assignee: Tianchang Longheng Electronics Co Ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-02-07
Anticipated expiration: 2029-03-19

Abstract

The utility model discloses a reputation MOS electric leakage fault alarm in electric leakage alarm equipment technical field, including MOS, universal meter and resistance, the pointer is installed through the rotation axis in the inside of universal meter, the calibrated scale is carved with in the inside of universal meter, it has the grid to peg graft at the top of MOS, it has drain electrode and source electrode to peg graft in the bottom of MOS, the drain electrode is located the left side of source electrode, peg graft at the top of universal meter has two first wires, two first wire's top is installed first connection pen and second connection pen through the wiring respectively. This reputation MOS electric leakage fault alarm's setting, structural design is reasonable, uses universal meter and resistance to detect the electric leakage of MOS, with two connection pens of universal meter respectively with drain electrode and source electrode contact, the universal meter can detect the inside small electric current of MOS to timely handle the circuit, prevent the static consumption increase in the circuit.

Description

Acousto-optic MOS electric leakage fault alarm

Technical Field

The utility model relates to an electric leakage alarm equipment technical field specifically is an acousto-optic MOS electric leakage fault alarm.

Background

mos transistors are metal, oxide, semiconductor field effect transistors, or so-called metal-insulator, semiconductors. The source and drain of the MOS tube can be exchanged, and both are N-type regions formed in the P-type back gate. In most cases, the two regions are identical, and even if the two regions are reversed, the performance of the device is not affected. Such devices are considered symmetrical. The existing MOS leakage fault alarm device has a serious problem that the small current in the MOS cannot be detected when the device is used, so that the circuit cannot be processed in time, and the static power consumption in the circuit is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reputation MOS electric leakage fault alarm to the MOS electric leakage fault alarm device who proposes in solving above-mentioned background art can not detect the small electric current in the MOS when using, thereby can not be timely handle the circuit, and increased the problem of the static consumption in the circuit.

In order to achieve the above object, the utility model provides a following technical scheme: an audible and visual MOS electric leakage fault alarm comprises an MOS, a multimeter and a resistor, wherein the inside of the multimeter is provided with a pointer through a rotating shaft, a dial scale is engraved in the multimeter, a grid is inserted at the top of the MOS, a drain electrode and a source electrode are inserted at the bottom of the MOS, the drain electrode is positioned on the left side of the source electrode, two first lead wires are inserted at the top of the multimeter, a first connecting pen and a second connecting pen are respectively installed at the tops of the two first lead wires through winding connection, the first connection pen and the second connection pen are respectively contacted with the outer side walls of the drain electrode and the source electrode, the outer side wall of the second connecting pen is sleeved with a first metal ring, the left side wall of the resistor is connected with the first metal ring through a second lead, the right side wall of the resistor is connected with a second metal ring through the second lead, and the second metal ring is connected with the grid in a matched mode.

Preferably, the outer side wall of the second connecting pen is provided with a concave groove, and the first metal ring is sleeved on the outer side wall of the second connecting pen through the concave groove.

Preferably, the outer side wall of the lower part of the first connecting pen is sleeved with a first rubber sleeve, and the outer side wall of the lower part of the second connecting pen is sleeved with a second rubber sleeve.

Preferably, the first metal ring and the second metal ring are both spring rings.

Compared with the prior art, the beneficial effects of the utility model are that: this reputation MOS electric leakage fault alarm's setting, structural design is reasonable, uses universal meter and resistance to detect the electric leakage of MOS, with two connection pens of universal meter respectively with drain electrode and source electrode contact, the universal meter can detect the inside small electric current of MOS to timely handle the circuit, prevent the static consumption increase in the circuit.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the resistor structure of the present invention.

In the figure: the circuit comprises a MOS100, a grid 110, a drain 120, a source 130, a multimeter 200, a first wire 210, a first connecting pen 220, a first rubber sleeve 221, a second connecting pen 230, a second rubber sleeve 231, a rotating shaft 240, a pointer 250, a resistor 300, a second wire 310, a first metal ring 320 and a second metal ring 330.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a reputation MOS electric leakage fault alarm for detect the small electric current in the circuit, thereby timely handle, prevent that MOS's static consumption from increasing, please refer to figure 1 and figure 2, including MOS100, universal meter 200 and resistance 300.

Referring to fig. 1 again, a through hole is formed at the top of the MOS100, the MOS100 is inserted into the through hole, two through holes are formed at the bottom of the MOS100, the drain 120 and the source 130 are respectively inserted into the bottom of the MOS100 through the through hole, the MOS100 is used for a control circuit, and the MOS100, the drain 120 and the source 130 are made of conductive materials.

Referring to fig. 1 again, the multimeter 200 is in contact with the drain 120 and the source 130, two through holes are formed in the top of the multimeter 200, the first wires 210 are inserted into the through holes, the first connection pen 220 and the second connection pen 230 are respectively connected and fixed with the tops of the two first wires 210 in a winding manner, the first connection pen 220 and the second connection pen 230 are respectively in contact with the outer side walls of the drain 120 and the source 130, the rotating shaft 240 is inserted into the multimeter 200, the bottom end of the pointer 250 is sleeved outside the rotating shaft 240, an annular dial is engraved on the surface of the multimeter 200, the other end of the pointer 250 points to the dial, the multimeter 200 is used for detecting a tiny leakage inside the MOS100, the first connection pen 220 and the second connection pen 230 are made of a conductive material, and the pointer 250 is made of a plastic material.

Referring to fig. 1 and fig. 2 again, the resistor 300 is connected to the second connection pen 230, specifically, a first metal ring 320 is sleeved on an outer sidewall of the second connection pen 230, a left sidewall of the resistor 300 is connected to the first metal ring 320 through a second wire 310, two ends of the second wire 310 are respectively fixed to the first metal ring 320 and an outer sidewall of the resistor 300 in a winding manner, a right sidewall of the resistor 300 is connected to a second wire 310 in a winding manner, the second metal ring 330 is connected to a right sidewall of the resistor 300 through the second wire 310, the second metal ring 330 is sleeved on an outer sidewall of the MOS100, and the resistor 300 is used for communicating the MOS100 with the source 130 to charge the MOS 100.

Referring to fig. 2 again, in order to prevent the resistor 300 from being separated from the second connection pen 230, a concave groove is formed on an outer side wall of the second connection pen 230, the first metal ring 320 is sleeved in the concave groove, the first metal ring 320 slides in the concave groove, and the first metal ring 320 is sleeved in the concave groove on the outer side wall of the second connection pen 230 to prevent the resistor 300 from being separated from the second connection pen 230.

Referring to fig. 1 again, in order to prevent an operator from affecting a detection result during operation, the first rubber sleeve 221 and the second rubber sleeve 231 are respectively sleeved on outer sidewalls of the first connection pen 220 and the second connection pen 230, through holes are formed in the first rubber sleeve 221 and the second rubber sleeve 231 and are sleeved on outer sidewalls of bottoms of the first connection pen 220 and the second connection pen 230, the first rubber sleeve 221 and the second rubber sleeve 231 are used for preventing hands from contacting the first connection pen 220 and the second connection pen 230 to affect the detection result, and the first rubber sleeve 221 and the second rubber sleeve 231 are made of rubber.

Referring to fig. 2, for convenience, the first metal ring 320 and the second metal ring 330 are sleeved outside the second connection pen 230 and the MOS100, the first metal ring 320 and the second metal ring 330 use a ring-shaped spring ring, and can be further sleeved outside the second connection pen 230 and the MOS100 with different sizes, and the first metal ring 320 and the second metal ring 330 are made of a conductive material.

The working principle is as follows: the first connecting pen 220 and the second connecting pen 230 are respectively contacted with the outer side walls of the drain 120 and the source 130, then the second metal ring 330 is sleeved outside the MOS100, the resistor 300 charges the MOS100 to generate an electric field of the MOS100, then the second metal ring 330 is removed from the outer side wall of the MOS100, so that the multimeter 200, the drain 120, the first connecting pen 220, the MOS100, the source 130, the second connecting pen 230 and the first wire 210 form a ring-shaped circuit, and if the resistor 300 is removed, the pointer 250 inside the multimeter 200 points to a high-resistance position, the MOS leakage alarm function is achieved.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an acoustooptic MOS electric leakage fault alarm which characterized in that: the universal meter comprises an MOS (100), a universal meter (200) and a resistor (300), wherein a pointer (250) is installed inside the universal meter (200) through a rotating shaft (240), a dial is carved inside the universal meter (200), a grid (110) is inserted into the top of the MOS (100), a drain (120) and a source (130) are inserted into the bottom of the MOS (100), the drain (120) is located on the left side of the source (130), two first wires (210) are inserted into the top of the universal meter (200), a first connecting pen (220) and a second connecting pen (230) are installed at the tops of the two first wires (210) through winding connection respectively, the first connecting pen (220) and the second connecting pen (230) are in contact with the outer side walls of the drain (120) and the source (130) respectively, and a first metal ring (320) is sleeved on the outer side wall of the second connecting pen (230), the left side wall of the resistor (300) is connected with the first metal ring (320) through a second lead (310), the right side wall of the resistor (300) is connected with a second metal ring (330) through the second lead (310), and the second metal ring (330) is connected with the grid (110) in a matched mode.

2. The acousto-optic MOS leakage fault alarm of claim 1, wherein: the outer side wall of the second connecting pen (230) is provided with a concave groove, and the first metal ring (320) is sleeved on the outer side wall of the second connecting pen (230) through the concave groove.

3. The acousto-optic MOS leakage fault alarm of claim 1, wherein: the outer side wall of the lower part of the first connecting pen (220) is sleeved with a first rubber sleeve (221), and the outer side wall of the lower part of the second connecting pen (230) is sleeved with a second rubber sleeve (231).

4. The acousto-optic MOS leakage fault alarm of claim 1, wherein: the first metal ring (320) and the second metal ring (330) are both spring rings.