KR100985265B1 - Electric connector having purge function - Google Patents

Abstract

In particular, an electrical connector having a purge function is provided, which is used to electrically connect sensors provided in various lines of a steel mill and a control unit for line control.

The electrical connector having the purge function includes: a male connector connected to the control unit and having a male connecting pin therein; and a female connecting pin connected to the sensors of the line and fastening the male contact pin therein. A female connector coupled to the male connector; a casing mounted at the inner center of the male connector; a movable body seated inside the casing; and a fixed body elastically connected to a rear end of the movable body. Way; And a casing mounted at the inner center of the female connector, and fixed to the casing side and provided to move the movable body while being inserted through the casing of the first purge gas supply means when the male and female connectors are connected. Openings, inlets, and provided in the casings of the first and second purge gas supply means, the movable body, the fixed body, and the actuator, respectively, when the male and female connectors are connected, including a second purge gas supply means including a second purge gas supply means. And a purge gas passing through the discharge opening, the injection opening, and the supply openings to the controller.

According to the present invention, by automatically supplying the purge gas to the inside of the control unit when the male and female connectors of the electrical connector are connected, the dust and harmful gas accumulated in the control unit can be discharged to the outside, and the internal temperature can be lowered. A more improved effect of keeping the operability at all times stable can be obtained.

Measuring sensor, cable connection, electrical connector, electrical connector with purge function, control panel, control unit, dust

Description

ELECTRIC CONNECTOR HAVING PURGE FUNCTION}             

1 is a partial cutaway perspective view showing a conventional electrical connector

Figure 2 is a partial cutaway perspective view showing an electrical connector with a purge function according to the present invention

Figure 3 shows the first and second purge gas supply means in the electrical connector with the present inventors,

(a) is an exploded perspective view showing a first purge gas supply means

(b) is an exploded perspective view showing a second purge gas supply means

Figure 4 is a structural diagram showing the operating state of the first and second purge gas supply means in the electrical connector with the present inventors purge function

Figure 5 is a schematic diagram showing a state of use of the electrical connector with the present inventors fuzzy function

Explanation of symbols on the main parts of the drawings

1 .... electrical connector with purge function 10 .... male connector

12 .... Male connection pin 30 .... Female connector

32 .. Female connecting pin 50 .... First purge gas supply means

52,72 .... Casing 52a, 72a .... Connections                 

52b, 72b .... opening 52c .... inclined

54 .. Moving object 54a .... Inlet opening

54b .... Vent opening 56 .... Fixture

56a .... Spring 56b .... Injection opening

70 .. Second purge gas supply means 72 .. Casing

74 .... actuator 74a .... supply opening

The present invention relates to an electrical connector used when electrically connecting the sensors provided in various lines of a steel mill and a control unit (control panel) for line operation, and more specifically, a steel mill in which a lot of gas or dust is generated. In order to electrically connect the sensors installed in various lines to the line control unit (control panel), the female and male connectors of the electrical connector are connected and connected, and the purge gas is supplied to the inside of the control unit, The present invention relates to an electrical connector equipped with a purge function that can reduce the internal temperature of the control unit while externally discharging harmful gas to the part, thereby maintaining the operability of the line control unit at all times and extending the life of the control unit.

In various lines installed in steel mills, for example, cold rolling and rolling lines, various types of sensors (sensors) are arranged for various operation control when the line is operated. Such sensors are connected to the control unit (control panel) of the line through a cable. It is electrically connected to various control (measurement) signals to the control unit to enable line control.

By the way, when the cables for signal processing of such sensors are electrically connected to the control unit, the cables are usually connected by using the control unit and the electrical connector to facilitate maintenance, the conventional electrical connector is commonly used in FIG. It is shown.

That is, as shown in Figure 1, the screw connector 120 is connected to the male connector 110, which is fixed to the controller (control panel) or other external fixed structure, the screw 112, 122 formed on the outer peripheral surface and the inner peripheral surface The male and male connectors 110 and 120 are connected to each other at the time of fastening, and the male and female connecting pins 114 and the female connecting pins 124 are connected to each other to allow a substantial electrical connection. .

However, various lines installed in the steel mill generate dust, gas, or high heat during line operation, and thus are connected to sensors installed in various lines of the steel mill to control operation of the line (control panel). (Not shown) easily enters the dust, harmful gas affecting the operation of the internal parts of the controller, or the internal temperature of the controller is increased by high heat, in which case the operation of the controller becomes unstable or severe It will stop working.

Therefore, in the conventional control unit, a fan is installed to lower the internal temperature while removing the internal air of the control unit and to remove the dust or inflow gas to the outside.                         

However, in the case of the conventional control unit in which the fan is installed in this way, since the discharge force for simply discharging the air inside to the outside is not large, substantially no dust or inflow gas or temperature rise accumulated in the control unit is effectively removed. will be.

Therefore, in order to use the electrical connector 100, it would be more preferable to allow the purge gas to be supplied to the inside of the controller through the inside of the male and female connectors 120 and 110 when connecting and connecting the electric connector 100. There is no proposal of an electrical connector having a purge function to automatically supply the purge gas to the control unit when using a).

The present invention has been made to improve the above-described problems, the purpose of which is the electrical connection between the line controller (control panel) and the sensors installed in various lines, such as steel mills where a lot of gas or dust is generated Provides a purge gas supply means which enables the supply of purge gas to the line control unit automatically when connecting the male and female connectors of the electrical connector used at the time of use, and the purge gas is automatically supplied into the controller when the electrical connector is connected. By removing dust and other harmful gas accumulated in the control unit to the outside of the control unit, the internal temperature of the control unit can be lowered, and the life of the control unit for the operation control of the line can be maintained at all times while prolonging its life. To provide an electrical connector with a purge function.

As a technical configuration for achieving the above object, the present invention, the male connector is connected to the control side and the male connecting pin is built-in;
A female connector connected to the sensors of the line and having a female connection pin coupled therein to which the male contact pin is coupled and coupled to the male connector;
A first purge gas supply means including a casing mounted at an inner center of the male connector, a movable body seated inside the casing, and a fixed body elastically connected to a rear end of the movable body; And,
A casing mounted to the inner center of the female connector, and an actuator fixed to the casing side and provided to move the movable body while being inserted through the casing of the first purge gas supply means when the male and female connectors are connected. A second purge gas supply means;
Openings, inlet and outlet openings, inlet openings and supply openings respectively provided in the casings of the first and second purge gas supply means, the movable body, the fixed body and the actuator when the male and female connectors are connected. Characterized in that configured to provide a purge gas passed through the control unit.

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Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a partially cutaway perspective view showing an electrical connector with a purge function according to the present invention, Figure 3 is a view showing the first and second purge gas supply means in the electrical connector with the present invention, Figure 4 Is a structural diagram showing the operating state of the first and second purge gas supply means in the electrical connector with the present invention, Figure 5 is a schematic diagram showing the use state of the electrical connector with the present invention the purge function.

In FIG. 2, the entire configuration of the electrical connector 1 having the fuzzy function according to the present invention is shown in a partially cutaway perspective view. The electrical connector 1 of the present invention is largely the male connector 10 and the female connector 30. ), And may be divided into first and second purge gas supply means (50, 70), and these components 10, 30, 50, 70 will be described in detail as follows.                     

First, FIGS. 2 and 5 show the male connector 10 of the electrical connector 1 having the fuzzy function according to the present invention, and the male connector 10 is connected to the line control unit (control panel) side. A male connecting pin 12 is built in therein. In this case, as shown in FIG. 5, the male connector 10 may be connected to a cable connecting piece 12a connected to the controller C.

Next, FIGS. 2 and 5 show the female connector 30 of the electric connector 1 having the fuzzy function according to the present invention. The female connector 30 is a sensor (sensor part) of the line (S). The female connecting pin 32 is connected to the inside and the male contact pin 12 is fastened and connected therein, wherein the female connecting pin 32 is a sensor (S) as shown in FIG. For example, a cable connecting piece 32a connected to various sensors such as a proximity sensor is connected.

By the way, although one connection pin 12 and 32 are illustrated in FIG. 5, in reality, several connection pins 12 and 32 are embedded in the male and female connectors 10 and 30. Screws 14 and 34 formed on the outer and inner circumferential surfaces of the male and female connectors 10 and 30 are fastened to each other, and the male and female connecting pins 12 and 32 are connected to each other so that the The sensing (measurement) signal is transmitted to the control unit C to perform line control.

By the way, although the male connector 10 is separated from the control unit C in the drawing and shown as being fixed to the fixed structure not shown in the figure by the bolting operation, the male connector 10 is the control unit (C), that is, It would also be possible to install it directly on the panel, which is the case.                     

In addition, as shown in Figures 2 and 5, the other screw 36 formed on the rear side of the female connector 30 wraps around the cable connecting pieces 32a connected to the sensor portion S shown in the drawing. Fasteners installed at the ends of the cable can be fastened and fixed.

Next, FIGS. 2 to 4 show the first and second purge gas supply means 50 and 70 of the electric connector 1 having the purge function according to the present invention. Gas supply means 50 and 70 are respectively provided inside the male and female connectors 10 and 30, and cooperate with each other to pass the purge gas when connecting the connectors 10 and 30 to the controller. The first purge gas supply means 50 is as follows.

3A, 4, and 5 illustrate the first purge gas supply means 50 of the present invention. The first purge gas supply means 50 includes a casing 52 and a movable body 54. ) And the fixing body 56, wherein the casing 52 is mounted at the inner center of the male connector 10, and both ends of the casing 52 are connected to the control unit C. 52a and the opening 52b are integrally formed, and the inclined portion 52c is integrally formed at the tip of the casing 52.

Next, the movable body 54 is seated inside the casing 52, and the inlet opening 54a opened and closed by the casing inclined portion 52c is formed at the front end of the movable body 54. At the rear end of the same movable body 54, the discharge opening 54b is integrally formed.

The fixed body 56 is elastically connected to the rear end of the movable body 54 by a spring 56a, and fixed to the inside of the casing 52 to control the purge gas G when the movable body moves. Injection openings 56b that enable injection into C) are integrally formed.

Therefore, as will be described in detail later in the operation of the present invention, as shown in Fig. 4, when the second purge gas supply means 70 described below enters through the opening 52b of the casing 52, The movable body 54 moves while compressing the spring 56b to the rear, and at this time, a space is formed while the inlet opening 54a formed at the front end of the movable body 54 is spaced apart from the casing 52 so that the purge gas G is moved. It is supplied to the control part C via the discharge opening 54b of 54, and the injection opening 56b of the fixture 56. As shown in FIG.

Next, FIGS. 3B and 4 show the second purge gas supply means 70 of the present invention. The second purge gas supply means 70 of the present invention further includes a casing 72 and an actuator. It can be divided into 74.

That is, the casing 72 is mounted at the inner center of the female connector 30, and both ends of the casing 72 are connected to the connection portion 72a and the opening (P) of the purge gas supply unit (P of FIG. 5), respectively. 72b) is integrally formed.

The actuator 74 is integrally fixed to the opening 72b side of the casing 72, and the first purge gas supply means 50 is connected to the male and female connectors 10 and 30. The purge gas supply opening 74a, which is inserted through the casing opening 52b to move the moving body 54, is integrally formed at the distal end. As shown in FIG. 4, the purge gas supply opening 74a is The end of the actuator 74 is formed in the form of a slit to enable the movement of the movable body 54 while supplying the purge gas (G).

Therefore, as shown in FIG. 4, the supplied purge gas G is purged through the casing 72 of the second purge gas supply means 70 and the supply opening 74a of the actuator 74. The purge gas is supplied to the gas supply means 50 side.

At this time, as shown in FIG. 5, the fastener 90a of the first purge gas pipe (hose) 90 connected to the control unit C is provided in the casing 52 of the first purge gas supply means 50. The fastener 92a of the second purge gas pipe (hose) 92 connected to the purge gas supply part P is fixed to the screw in the casing 72 of the second purge gas supply means 70. As described above, the purge gas G that is supplied to be fastened and fixed in a screw form has first and second purge gas supply means 50 and 70 therein when the male and female connectors 10 and 30 are connected. It is supplied to the control unit C through.

As a result, when using the electrical connector 1 of the present invention, the purge gas (G) is automatically supplied to the control unit (C) to remove the dust and harmful gas therein and to lower the internal temperature of the control unit (C). In order to maintain the operability of the control unit C stably at all times, in this case, it is most preferable to use an inert gas having low influence on high temperature, for example, nitrogen gas or argon gas at room temperature.

Meanwhile, in FIG. 5, the first and second purge gas pipes (hoses) 90 and 92 and the cable connection ports 12a and 32a are separately illustrated for convenience of understanding, but in practice, a protective duct made of one protective rubber. Will be placed on the line while wrapped.

Next, as shown in FIG. 2, the male connecting pin 12 and the first purge gas feed water supply stage 50 are electrically connected to the control unit C, respectively, and the female connecting pin 32 and the second The purge gas supply means 50 is electrically connected to each other to connect pins 12 and 32 of the male and female connectors 10 and 30, and the first and second purge gas supply means 50 and 70. Is connected to the control unit.

Referring to the operation of the present invention made in the above configuration in detail as follows.

As shown in Figures 2 to 5, when the use of the connection of the electrical connector for electrically connecting the control unit for the operation control of the line and the sensors provided to the various lines of the steel mill where a lot of gas or dust is generated automatically The purge gas of the present invention can be forcibly removed to remove dust or harmful gas accumulated in the control unit while reducing the internal temperature of the control unit, thereby prolonging the service life of the line control unit. The electrical connector 1 with the function is as follows.

First, as shown in FIGS. 2 and 5, a line is connected to the female connector 30 electrically connected to the sensors S to operate the sensors (sensor parts) S installed in various lines of the steel mill. When the male connector 10 electrically connected to the control controller C is connected and screwed, the male connecting pin 12 is connected to the female connecting pin 32 to sense (measurement) signals of the sensors S. Is transmitted to the control unit (C).

At the same time, as shown in Figs. 4 and 5, the actuator 74 of the tip of the casing 72 of the second purge gas supply means 70 of the present invention is characterized by the number of the connectors 1 and the female connectors 10 30 is connected through the opening 52b of the casing 52 of the first purge gas supply means 70 to move the movable body 54 while compressing the spring 56b backward. A space is formed while the inlet opening 54a formed at the distal end of the 54 is spaced apart from the casing 52, and the purge gas G supplied from the purge gas supply unit P through the second purge gas pipe 92 is first purged. The inlet opening 54a and the outlet opening 54b of the movable body 54 and the stationary body of the first purge gas supply means 50 through the casing 72 and the actuator 74 of the gas supply means 70 ( It is injected into the control part (control panel) C through the 1st purge gas pipe 90 through the injection opening 56b of 56.

As a result, even when dust and harmful gas generated in various lines of the steel mill are accumulated or introduced into the control unit C, and the thermal temperature of the control unit C increases due to heat, the electrical connector 1 ), The purge gas (G) is injected into the control unit (C) at high pressure simultaneously with the use of the electrical connector (1) with the present invention for connecting the control unit (C) of the sensors (S), By removing the dust and harmful gas inside and lowering the temperature, the operability of the controller C is always kept stable, while the service life of the controller C is extended.

Accordingly, according to the electrical connector 1 having the fuzzy function of the present invention, malfunctions during operation by dust, gas, and high temperature in the control unit C used for line control or device control in various lines such as steel mills are prevented. By preventing and maintaining the operation of the control unit at all times, since the purge gas G is injected into the control unit C only when the sensors S are used, unnecessary cost can be reduced as much as possible.

On the other hand, as shown in Figure 2, the male connecting pin 12 and the first purge gas supply means 50 is electrically connected to the control unit, respectively, the female connecting pin 32 and the second purge gas supply means 50 is electrically connected with each other.

Therefore, when the connecting pin 12 of the male connector 10 is connected to the connecting pin 32 of the female connector 30, the casing of the female connector connecting pin 32 and the second purge gas supply means 70 ( Since 72 is electrically connected through soldering or the like, the signal is transmitted to the control unit C only when the second purge gas supply means 70 and the first purge gas supply means 50 are connected. The connection state of the male and female connector connecting pins and the first and second purge gas supply means is shown in the controller (C) so that the operator can use the electrical connector 1 of the present invention more easily.

In addition, the purge gas (G in FIG. 4) used in the present invention may be preferably inert gas, for example, nitrogen gas or argon gas, in consideration of the fact that various line facilities of the steel mill are in a high temperature state. You can use gas at room temperature for cooling C).

As described above, according to the electrical connector having a fuzzy function according to the present invention, when the sensors used in various lines of the steel mill and the line control controller are electrically connected to each other, the purge gas is automatically supplied to the inside of the controller, thereby accumulating inside the controller. At the same time to remove the dust or harmful gas to the outside, the internal temperature of the control unit can be lowered, thereby maintaining the operation of the control unit always stable.

Therefore, since dust or harmful gas is immediately removed from the inside of the line control unit while the temperature rise therein is blocked, and the operation of the control unit is stably maintained, the operation precision of the sensors installed in various lines is maintained. It is to provide an excellent effect of improving the line utilization rate itself.

In addition, the connection between the purge gas supply means is properly signaled when the electrical connector is connected automatically to facilitate the use of the electrical connector, in particular to provide an advantage of extending the service life of the control unit.

While the invention has been shown and described in connection with specific embodiments so far, it will be appreciated that the invention can be varied and modified without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

Claims (4)

A male connector 10 connected to the control unit and having a male connecting pin 12 therein; A female connector 30 connected to the sensors of the line and having a female connecting pin 32 therein to which the male connecting pin 12 is fastened and coupled to the male connector 10; A first purge including a casing 52 mounted at an inner center of the male connector 10, a movable body 54 seated inside the casing, and a fixed body 56 elastically connected to a rear end of the movable body; Gas supply means (50); And, A casing 72 mounted at the inner center of the female connector 30 and integrally fixed to the casing side and inserted through the casing 52 of the first purge gas supply means when the male and female connectors are connected. Second purge gas supply means (70) comprising an actuator (74) provided to move 54; Openings 52b, 72b, inlet and outlet openings, respectively provided in the casings of the first and second purge gas supply means, the movable body, the fixed body, and the actuator when the male and female connectors are connected; Electrical connector having a purge function configured to provide the controller with purge gas passing through the 54a) 54b, the injection opening 56b, and the supply openings 74a. The method of claim 1, wherein the male connecting pin 12 and the first purge gas supply means 50 is electrically connected to the control unit, respectively, the female connecting pin 32 and the second purge gas supply means 50 The connection pins 12 and 32 of the male and female connectors 10 and 30 and the first and second purge gas supply means 50 and 70 are electrically connected to each other so that they can be sent to the controller. Electrical connector with fuzzy function, characterized in that configured to The connection part 52a and the opening 52b which are connected to the control unit are integrated at both ends of the casing 52 of the first purge gas supply means 50 which is mounted at the inner center of the male connector. And the tip portion is formed of an inclined portion 52c, The inlet opening 54a, which is opened and closed by the casing inclined portion 52c, is formed at the front end of the movable body 54 seated inside the casing 52, and the outlet opening 54b is formed at the rear end thereof. , The fixed body 56 is elastically connected to the rear end of the movable body 54 via a spring 56a, and fixed to the inside of the casing 52 to inject a purge gas into the controller when the movable body moves. Electrical connector with purge function, characterized in that injection openings 56b are formed According to claim 1, Both ends of the casing 72 of the second purge gas supply means mounted to the inner center of the female connector 30, the connection portion 72a and the opening 72b connected to the purge gas supply portion Is formed integrally, The connector 74 is integrally fixed to the opening 72b side of the casing 72, and the supply opening 74a is integrally formed.

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