KR101316950B1 - Static electricity detecter and the manufacturing method of this same - Google Patents

Abstract

PURPOSE: A static electricity detector and a manufacturing method of the same are provided to omit resistance applied to a load, thereby miniaturizing the static electricity detector. CONSTITUTION: A Molex (20) is mounted on a PET bottle cap (10) by being inserted into a cut recess of the PET bottle cap. A pair of transistors (30,40) are installed in a pinhole of the Molex and are Darlington-connected. A light emitting diode (50) is installed in the pinhole of the Molex and is turned on when detecting static electricity. A buzzer (60) installed in the pinhole of the Molex outputs sounds when detecting the static electricity. A button type cell (80) installed in an internal surface of the PET bottle cap supplies power to a circuit. A probe wire (76) is connected to a base terminal of one transistor of the transistors and is extended to a rear direction of the Molex. The probe wire is protruding to the outside of the PET bottle cap by penetrating a through-hole.

Description

Static Detector and Manufacturing Method {STATIC ELECTRICITY DETECTER AND THE MANUFACTURING METHOD OF THIS SAME}

The present invention relates to an electrostatic sensor for sensing static electricity and a method of manufacturing the same.

In general, static electricity refers to electricity in which charge remains stationary and thus the distribution of charge does not change in time.

In an industrial site where a lot of static electricity exists, a fatal accident such as fire, explosion, or electric shock caused by static electricity frequently occurs, and therefore, a device for identifying where the most static electricity exists is needed. As described above, a static electricity measuring circuit for measuring static electricity is disclosed in Korean Patent No. 10-059023.

On the other hand, in order to learn the theory of static electricity, the school checked the presence of static electricity by rubbing glass rods or ebonite rods and taking them to the detector. However, such static electricity is easily discharged and has a disadvantage in that it is not possible to practice in dry weather, and because the detector for measuring the presence of static electricity is expensive, the financial burden on the economic side.

The present invention has been devised to solve the conventional problems, and relates to an electrostatic sensor and a method of manufacturing the same, which can be easily manufactured without soldering for learning practice and can stably detect fine static electricity.

In order to achieve the above object, the electrostatic sensor of the present invention is provided with a cutting groove in which a portion of the outer circumference is cut, and a PET bottle cap formed with a hole in one side of the outer circumference; Female (female) 10-pin type Molex is a combined form, the Molex is inserted into the incision groove of the bottle cap is mounted on the bottle cap coupled to the installation; A pair of transistors inserted into the pinholes of the Molex and connected to Darlington; A light emitting diode inserted into the pinhole of the Molex and turned on when sensing static electricity; A buzzer inserted into the pinhole of the Molex and outputting sound when sensing static electricity; A button-type battery seated on an inner surface of the PET bottle cap and supplying power to a circuit; and connected to a base terminal of one of the pair of transistors and extending rearward of the Molex to open the through hole. And a probe wire penetrating and protruding to the outside of the PET bottle cap. When electrostatic input is performed through the probe wire, the light emitting diode is turned on and a sound is output from the buzzer.

The button cell is 3V, and the light emitting diode and the buzzer are preferably for 3V voltage.

Electrostatic detector of the present invention is a battery case equipped with a battery; Two female 10-pin type Molex is combined form, Molex coupled to the front of the battery case; A pair of transistors inserted into the pinholes of the Molex and connected to Darlington; A light emitting diode inserted into the pinhole of the Molex and turned on when sensing static electricity; A buzzer inserted into the pinhole of the Molex and outputting sound when sensing static electricity; A probe wire connected to a base terminal of one of the pair of transistors, the probe wire extending to the rear of the Molex, wherein the light emitting diode is turned on when the static electricity is input through the probe wire; It can be configured to output sound from.

The battery is 3V, and the light emitting diode and the buzzer are preferably for 3V voltage.

Meanwhile, in the method of manufacturing an electrostatic sensor of the present invention, two female 10-pin Molexs are bonded to each other, a pair of transistors, a light emitting diode, a buzzer, and a jumper wire are inserted into the Molex pinholes, and a probe wire is connected. Configuring an electric circuit by connecting to one base terminal of the pair of transistors; Attaching and connecting a pair of power supply lines extending to the rear of the Molex to both sides of the button battery; After cutting the outer circumferential surface of the PET bottle cap to form an incision groove, drill a hole in one side of the outer circumferential surface, and then set the button-type battery to the bottom of the PET bottle cap, and insert the Molex into the incision groove to mount the PET bottle cap , Pulling out the probe line extending to the rear of the PET bottle cap through the hole; characterized in that it comprises a.

In addition, the method of manufacturing an electrostatic sensor according to the present invention bonds two female 10-pin molexes together, inserts a pair of transistors, a light emitting diode, a buzzer, and a jumper wire into the pinhole of the molex, and attaches a probe wire. Configuring an electric circuit by connecting to one base terminal of the pair of transistors; And attaching the Molex to the front of the battery case in which the battery is mounted and connecting the power.

According to the above, since the electrostatic sensor of the present invention is configured to insert a transistor, a light emitting diode, and a buzzer into the Molex without soldering, it is easy to manufacture without being harmful to the human body, and thus suitable for use for learning.

In particular, it is designed for Darlington connection using a pair of transistors, so that it can sense even a small amount of static electricity, which can be used for learning as it can detect static electricity even in wet weather.

In addition, since the DC 3V power source is used as the power source and the 3V voltage light emitting diode and the buzzer are used, the resistance applied to the load can also be omitted, thereby simplifying the circuit and making the overall configuration of the static electricity detector compact.

1 is a perspective view showing a static electricity detector according to a first embodiment of the present invention,
Figure 2 is a perspective view showing a state in which the PET bottle cap is separated from the static electricity detector of Figure 1,
3 is a perspective view showing the PET bottle cap removed from the static electricity detector of Figure 1, viewed from a different angle,
FIG. 4 is a perspective view of an electronic component of a transistor, a light emitting diode, and a buzzer in FIG. 3 viewed from another angle;
5 is an electric circuit diagram of a static electricity detector according to a first embodiment of the present invention,
6 is a perspective view illustrating a static electricity detector according to a second embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, and advantages of the present invention will become more readily apparent from the following description of preferred embodiments with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

In this specification, when an element is referred to as being on another element, it may be directly formed on another element, or a third element may be interposed therebetween. Also in the figures, the thickness of the components is exaggerated for an effective description of the technical content.

Embodiments described herein will be described with reference to cross-sectional views and / or plan views that are ideal illustrations of the present invention. In the drawings, the thicknesses of films and regions are exaggerated for effective explanation of technical content. Thus, the shape of the illustrations may be modified by manufacturing techniques and / or tolerances. Accordingly, the embodiments of the present invention are not limited to the specific forms shown, but also include changes in the shapes that are produced according to the manufacturing process. For example, the etched area shown at right angles may be rounded or may have a shape with a certain curvature. Thus, the regions illustrated in the figures have attributes, and the shapes of the regions illustrated in the figures are intended to illustrate specific forms of regions of the elements and are not intended to limit the scope of the invention. Although the terms first, second, etc. have been used in various embodiments of the present disclosure to describe various components, these components should not be limited by these terms. These terms have only been used to distinguish one component from another. The embodiments described and exemplified herein also include their complementary embodiments.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. The terms "comprises" and / or "comprising" used in the specification do not exclude the presence or addition of one or more other elements.

Hereinafter, the present invention will be described in detail with reference to the drawings. In describing the specific embodiments below, various specific details have been set forth in order to explain the invention in greater detail and to assist in understanding it. However, those skilled in the art can understand that the present invention can be used without these various specific details. In some instances, it should be noted that portions of the invention that are not commonly known in the description of the invention and are not significantly related to the invention do not describe confusing reasons to explain the present invention.

Hereinafter, the configuration of the static electricity detector according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 5.

1 to 5, the static electricity detector of the first embodiment includes a PET bottle cap 10, a Molex 20, a pair of transistors 30 and 40, a light emitting diode 50, a buzzer 60, A button cell 80, and a probe wire 76.

PET bottle cap 10 may be used a conventional PET bottle cap, a portion of the outer circumference of the PET bottle cap 10 is incision is provided with an incision groove 11, the outer peripheral surface is formed with a through hole (13).

Molex 20 is a female (female) 10-pin type Molex (20a, 20b) is bonded to each other, Molex 20 is inserted into the incision groove 11 of the PET bottle cap (10) bottle cap ( 10).

The pair of transistors 30 and 40 are inserted into the pinhole of the Molex 20, and in the present embodiment, the pair of transistors 30 and 40 are connected to a Darlington connection as shown in the circuit diagram of FIG. It is installed in the pinhole of the Molex 20 as much as possible.

The light emitting diode 50 converts electrical energy into light energy and is inserted into the pinhole of the Molex 20 to be turned on when sensing static electricity.

The buzzer 60 outputs a sound (buzzer sound) by power supply, and is inserted into the pinhole of the Molex 20 to output sound when sensing static electricity.

In this embodiment, the light emitting diodes 50 and the buzzer 60 are each made for a 3V voltage.

In addition, the jumper wire 70 may be configured to electrically connect the transistors 30 and 40, the light emitting diodes 50, and the buzzer 60 to the Molex 20 according to the circuit diagram shown in FIG. 5. It is inserted and installed in).

Since the present invention is designed by inserting electronic components such as transistors 30 and 40, light emitting diodes 50, buzzers 60 and dot wires 70 into the Molex 20, they may be used as educators for students. In addition to its high utilization, in particular, compared to the soldering method is harmless to the human body, it is easy to apply to students learning.

The button cell 80 is composed of a 3V battery, it is coupled to be seated on the bottom of the PET bottle cap (10). In the button cell 80, a pair of power supply lines 71 and 73 extending rearward of the Molex 20 are in contact with each other on both sides of the circuit diagram shown in FIG. 5. That is, the button-type electricity 80 is connected to the transistors 30 and 40, the light emitting diodes 50, the buzzer 60, and the wave wires by the pair of power supply lines 71 and 73 as shown in the circuit diagram of FIG. 5. 70) are electrically connected. The button cell 80 is composed of a lithium battery. However, the present invention is not limited thereto and may include a battery of various components.

One end of the probe wire 76 is connected to the base terminal B of one of the transistors 30 and 40 of the pair of transistors 30 and 40, and the other end of the probe wire 76 extends to the rear of the Molex 20 to allow a through hole. 13) is formed to protrude to the outside of the PET bottle cap (10).

5 is a circuit diagram of the static electricity detector of the present invention. As shown, when the end of the probe wire 76 is brought to the sensing object (comb) where the static electricity is generated, when static electricity is input through the probe wire 76, it acts as a base current of the transistor 30, Each of the pairs of transistors 30 and 40 is configured to control switching so that the light emitting diode 50 is turned on and the sound is output from the buzzer 60 by the switching operation of the ON state in which current flows through the collector and the emitter. to be.

Since the present invention is designed as a Darlington circuit having an amplifier function by using a pair of transistors 30 and 40, fine static electricity can be sensed and static electricity can be detected even in high humidity weather. That is, the amplification action occurs even in the input of the fine static electricity, the switching operation of the transistors 30 and 40 occurs, the light emitting diode 50 is turned on, and the sound is output from the buzzer 60, thereby making it difficult to generate static electricity (humidity). In high weather conditions) it is also possible to detect fine amounts of static electricity.

In addition, since the present invention uses a button-type battery 80 of DC 3V and is designed with a light emitting diode 50 and a buzzer 60 for DC 3V voltage, the resistance to the load can also be omitted, thereby simplifying the circuit. You can.

Hereinafter, a method of manufacturing the static electricity detector according to the first embodiment of the present invention with reference to the drawings.

First, the female 10-pin Molexs 20a and 20b are bonded to each other, and the jumper wire 70 is inserted into the pinhole of the Molex 20 according to the circuit diagram of FIG. 5, and then a pair of transistors ( 30, 40, the light emitting diodes 50, and the buzzer 53 are fitted into the pinholes of the Molex 20, and the probe wire 76 is coupled to one of the pair of transistors 30 and 40. Connect to the base terminal of.

At this time, when the transistors 30 and 40 are inserted into the pinholes of the Molex 20, it is preferable to pay attention to the direction so as to follow the circuit diagram of FIG. 5.

Next, a pair of power supply lines 71 and 73 are provided to extend to the rear of the Molex 20, and the pair of power supply lines 71 73 is connected to the button-type battery 80 by using an adhesive tape. Attach to both sides and connect.

Thereafter, the outer circumferential surface of the PET bottle cap 10 is cut to form an incision groove 11, and the through-hole 13 is drilled on one side of the outer circumferential surface of the PET bottle cap 10, and then the button-type battery 80 is opened. Seated on the bottom surface of the PET bottle cap 10, the Molex 20 is inserted into the incision groove 11 to be fixed to the PET bottle cap 10 by mounting. In this case, the Molex 20 may be fixed to the PET bottle cap 10 with an adhesive, but is not limited thereto and may be fixed in various ways.

Next, the production is completed by pulling out the probe wire 76 extending to the Molex 20 to the outside of the PET bottle cap 10 through the through hole (13).

When the static electricity detector of the present invention is placed on the end of the probe wire 76 to the electrostatic sensing object, the static electricity of the sensing object is input through the probe wire 76, and the transistors 30 and 40 are turned on. By the switching operation, the light emitting diode 50 is turned on, the buzzer 60 is sounded, so that the students check the presence of static electricity through the lighting of the light emitting diode 50 and return to the ear through the sound of the buzzer 60. You can increase the learning effect by checking the presence of static electricity.

As described above, since the present invention is installed by plugging the electronic devices of the transistors 30 and 40, the light emitting diodes 50, and the buzzer 60 into the Molex 20 without soldering, the electrostatic detector is easily harmless to the human body. You can learn the theory of static electricity by making.

In the present invention, when the transistors 30 and 40, the light emitting diodes 50, and the buzzer 60 are installed by being inserted into the Molex 20, the electronic components (transistors) inserted together in one pinhole of the Molex 20 are provided. The terminal pins of the light emitting diodes and the buzzer may be firmly fixed and electrically connected to the rear of the Molex 20 so as to be electrically connected to the terminal pins. That is, the terminal portion of the crimped terminal wire is installed in the pinhole of the Molex 20 to the rear, and then the terminal pins of the electronic component are inserted in the terminal part of the crimped terminal wire according to the circuit diagram, and then the power connection line ( 71 and 73, except for the wire part to be used as the probe wire 76, the wire parts of the remaining crimp terminal wires may be cut off.

Hereinafter, a static electricity detector according to a second embodiment of the present invention will be described with reference to FIG. 6.

In the first embodiment, the PET bottle cap 10 is used, and the button-type battery 80 is mounted on the PET bottle cap 10. However, the electrostatic sensor of FIG. 2 is a conventional instead of the PET bottle cap 10. The only difference is in applying the AA type battery case 16 and the AA type battery 81 mounted in the battery case 16, but the rest of the configuration is the same as that of the first embodiment, and the first embodiment will be described below. Only the configurations that differ from the examples are explained.

The static electricity detector of the second embodiment attaches the Molex 20 to the front surface of the battery case 16 on which the battery 81 is mounted, and attaches the power supply lines 71 and 73 extending from the Molex 20. By connecting to the terminal of the battery case 16 and electrically connected to the battery 81, a circuit as shown in FIG.

Referring to FIG. 6, a method of manufacturing an electrostatic sensor according to a second embodiment of the present invention will be described.

In the manufacturing method of the static electricity detector according to the second embodiment, the female 10-pin Molex 20a, 20b is bonded to each other, and the jumper wire 70 and the pair of transistors 30, 40, the light emitting diodes 50 and the buzzer 53 are fitted into the pinhole of the Molex 20, and the probe wire 76 is coupled to the base of one of the transistors 30 and 40. After connecting to the terminal, a pair of power supply lines 71 and 73 are installed to extend to the rear of the Molex 20.

Next, in the method of manufacturing the static electricity detector of the second embodiment, the Molex 20 is attached to the front surface of the battery case 16 in which the battery 81 is mounted, and the pair of power connection lines 71 and 73 are connected to each other. Production is completed by electrically connecting with the dry cell 81.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood by those skilled in the art that many changes and modifications of the present invention can be made without departing from the spirit and scope of the appended claims. Accordingly, all such appropriate modifications and changes, and equivalents thereof, should be regarded as within the scope of the present invention.

10 ... Bottle Cap
16.battery case
20 ... Molex
30,40 ... transistor
50 ... Light Emitting Diode
60 ... buzzer
70 ... jumper wire
71,73 ... Power Cable
76 ... probe wire
80 ... button battery
81 ... battery

Claims (6)

An incision groove 11 having a portion of the outer circumference cut therein is provided, and a PET bottle cap 10 having a through hole 13 formed at one side of the outer circumference;
Molex (20) is a female 10-pin type Molex (20a, 20b) is a combination of two, inserted into the incision groove 11 of the bottle cap 10 is mounted on the bottle cap 10 to be coupled to ;
A pair of transistors 30 and 40 inserted into the pinhole of the Molex 20 and connected to Darlington;
A light emitting diode 50 inserted into the pinhole of the Molex 20 and turned on when sensing static electricity;
A buzzer 60 inserted into the pinhole of the Molex 20 and outputting sound when sensing static electricity;
It is installed on the inner surface of the PET bottle cap 10, the button-type battery 80 for supplying power to the circuit; And,
It is connected to the base terminal of one of the pair of transistors (30, 40), extends to the rear of the Molex 20 through the through hole 13 to the outside of the PET bottle cap (10) Probe wire 76 is formed so as to protrude;
When the static electricity input through the probe wire (76), the light emitting diode (50) is turned on, the sound is output from the buzzer (60) characterized in that the electrostatic sensor.
The method of claim 1,
The button cell (80) is 3V, the light emitting diode and the buzzer is characterized in that for 3V voltage.
A battery case 16 to which a battery 81 is mounted;
Molex (20) coupled to the front of the battery case 16 in the form of two female 10-pin type Molex (20a, 20b) combined;
A pair of transistors 30 and 40 inserted into the pinhole of the Molex 20 and connected to Darlington;
A light emitting diode 50 inserted into the pinhole of the Molex 20 and turned on when sensing static electricity;
A buzzer 60 inserted into the pinhole of the Molex 20 and outputting sound when sensing static electricity;
And a probe wire 76 connected to a base terminal of one of the pair of transistors 30 and 40 and extending rearward of the molex 20.
When the static electricity input through the probe wire (76), the light emitting diode (50) is turned on, the sound is output from the buzzer (60) characterized in that the electrostatic sensor.
The method of claim 3, wherein
The battery (81) is 3V, the light emitting diode and the buzzer is characterized in that for 3V voltage.
Two female 10-pin Molexs 20a and 20b are bonded together, and a pair of transistors 30 and 40, a light emitting diode 50, a buzzer 60 and a jumper wire 70 are Molex Inserting a pinhole into the pinhole and connecting the probe wire 76 to a base terminal of one of the pair of transistors 30 and 40 to form an electric circuit;
Attaching and connecting a pair of power connection lines 71 and 73 extending to the rear of the Molex 20 to both sides of the button cell 80, respectively; And
Cut the outer circumferential surface of the PET bottle cap 10 to form an incision groove 11, and then drills a through hole 13 on one side of the outer circumferential surface, and then seats the button cell 80 on the bottom surface of the PET bottle cap 10. After inserting the Molex (20) into the incision groove (11) to the PET bottle cap (10), taking out the probe wire (76) extending to the rear of the PET bottle cap (10) through the hole (13); Electrostatic detector manufacturing method comprising a.
Two female 10-pin Molexs 20a and 20b are bonded together, and a pair of transistors 30 and 40, a light emitting diode 50, a buzzer 60 and a jumper wire 70 are Molex Inserting a pinhole into the pinhole and connecting the probe wire 76 to a base terminal of one of the pair of transistors 30 and 40 to form an electric circuit; And
Attaching the Molex (20) to a front surface of the battery case (16) on which the battery (81) is mounted and connecting a power source.

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