KR20110005943A

KR20110005943A - Power distribution panel

Info

Publication number: KR20110005943A
Application number: KR1020090063321A
Authority: KR
Inventors: 정진현
Original assignee: (주)디아이티엔지
Priority date: 2009-07-13
Filing date: 2009-07-13
Publication date: 2011-01-20

Abstract

The present invention relates to a direct current power distribution panel that does not generate a cold solder phenomenon by eliminating the soldering structure, easy to manufacture and assemble by configuring the power distribution to the PCB type, the direct current power distribution panel according to the present invention, A front panel formed with a distribution unit installer and an alarm lamp installer; A rear panel installed side by side to face the front panel and having an input terminal installation hole and an output terminal installation hole; Two side panels respectively connecting the front panel and the rear panel; A lower plate installed on a lower surface of the tetrahedron formed by the front panel, the rear panel and the side panel; An input terminal unit installed in the input terminal installation hole and receiving DC power from the outside; A circuit breaker installed in the circuit breaker installation hole; A first connection part electrically connecting the input terminal part and the circuit breaker; A power distribution unit installed in the distribution unit installation hole and having a plurality of power distribution ports for distributing a plurality of input DC powers; A second connection unit electrically connecting the breaker and the power distribution unit, the second connection unit consisting of two wires to independently connect the breaker and the power distribution unit; An alarm lamp unit installed at the alarm lamp installation hole; An output terminal unit installed in the output terminal mounting hole and having a plurality of output terminals; A plurality of third connection units connecting each of the plurality of power distribution ports and the plurality of output terminals; And a fourth connection part electrically connecting the input terminal part and the output terminal part, the fourth connection part consisting of two wires to independently connect the input terminal part and the output terminal part.

Description

DC power distribution board {POWER DISTRIBUTION PANEL}

The present invention relates to a direct current power distribution panel, and more particularly to a direct current power distribution panel that eliminates soldering structure and does not cause cold soldering, and is easily manufactured and assembled by configuring a power distribution in a PCB type.

In general, electric / electronic communication equipment operates by receiving power from a power supply unit corresponding to a rectifier or other device. At this time, when power is directly supplied from the power supply unit to the electronic / electronic communication equipment, noise and impedance are generated. The electrical / electronic communication equipment does not operate normally.

Therefore, a power distribution device is installed between the power supply unit and the electric / electronic communication equipment so that the power flowing into the PBA (Print Board Assembly), which is a circuit board installed inside the plurality of electric / electronic communication equipment, is different from each other. By separating and supplying the power supply, it prevents errors caused by mutual noise and electromagnetic interference generated in each PBA and each circuit block installed in the shelf, and reduces power noise introduced into the internal equipment through the power cable. I will let you.

However, the conventional power distribution device has a structure in which the cable type is applied and the cable is soldered to the power input terminal, the brake switch, the fuse, the power output terminal, the noise filter, and the like. When the soldering method is used, there is a fatal problem in that the probability of occurrence of defects in the joining operation is increased, and the cold soldering phenomenon in which the soldering portion is dropped due to heat generated in the process of using the manufactured power distribution device is generated.

The problem to be solved by the present invention is to configure the power distribution unit, the output terminal unit and the alarm lamp unit in the form of a PCB, each cable is joined by a terminal coupling method, easy to manufacture and assembly work, greatly increasing the probability of failure in the manufacturing process At the same time, it provides a DC power distribution panel that does not cause cold soldering during use.

DC power distribution panel according to the present invention for achieving the above technical problem, the front panel is formed breaker installation hole, distribution unit installation hole and alarm lamp installation hole; A rear panel installed side by side to face the front panel and having an input terminal installation hole and an output terminal installation hole; Two side panels respectively connecting the front panel and the rear panel; A lower plate installed on a lower surface of the tetrahedron formed by the front panel, the rear panel and the side panel; An input terminal unit installed in the input terminal installation hole and receiving DC power from the outside; A circuit breaker installed in the circuit breaker installation hole; A first connection part electrically connecting the input terminal part and the circuit breaker; A power distribution unit installed in the distribution unit installation hole and having a plurality of power distribution ports for distributing a plurality of input DC powers; A second connection unit electrically connecting the breaker and the power distribution unit, the second connection unit consisting of two wires to independently connect the breaker and the power distribution unit; An alarm lamp unit installed at the alarm lamp installation hole; An output terminal unit installed in the output terminal mounting hole and having a plurality of output terminals; A plurality of third connection units connecting the plurality of power distribution ports and each of the plurality of output terminals; And a fourth connection part electrically connecting the input terminal part and the output terminal part, the fourth connection part consisting of two wires to independently connect the input terminal part and the output terminal part.

In the present invention, the first connection portion, the first bolt-type terminal portion which is inserted and fixed to the input terminal formed on the input terminal portion; A second bolt fixed terminal part inserted into and fixed to an input terminal formed in the breaker; And a first wire connecting the first and second bolt-type terminal portions.

The circuit breaker includes a plurality of circuit breaker output terminals through which power is output from the circuit breaker, and the second connection unit includes: a third bolt-type terminal unit inserted into and fixed to the circuit breaker output terminal; A fourth bolt-type terminal unit inserted into and fixed to one of a plurality of distribution unit input terminals formed in the power distribution unit; And a second wire connecting the third and fourth bolt terminals.

The power distribution unit may include: a distribution unit printed circuit board fixed to a rear surface of the front panel and formed at the distribution unit input terminal at a lower side thereof, and a plurality of power distribution ports connected to the distribution unit input terminals at an upper side thereof; And a distribution connection part formed on a rear surface of the distribution part printed circuit board to connect the distribution part input terminal and the power distribution port.

Meanwhile, the third connection unit may include: a first insertion fixed terminal unit inserted into and coupled to the power distribution port; A fuse formed at a rear end of the first insertion fixed terminal part and blocking current when excessive current flows in the third connection part; A second insertion fixed terminal part inserted into and coupled to the output terminal; And a third wire connecting the first and second insertion fixed terminal parts.

The output terminal unit preferably has a printed circuit board structure in which the plurality of output terminals are formed.

The DC power distribution panel according to the present invention comprises a power distribution unit, an output terminal unit, and an alarm lamp unit in the form of a PCB, and each cable is joined by a terminal coupling method to facilitate the manufacturing and assembly work, and to increase the probability of defect occurrence in the manufacturing process. At the same time, there is an effect that cold lead does not occur during use. In addition, the structure of the DC power distribution panel is simplified, and the fuse capacity can be adjusted independently of each power distribution port.

In addition, since each component is configured in the form of a PCB, and each cable has a terminal coupling method, there is an advantage that the replacement of the component is very easy even if a failure occurs during the use of the DC power distribution panel.

In addition, in consideration of the fuse load side disconnection, the second connection part connected to the power distribution from the breaker may be configured as a redundant terminal type to prepare for the disconnection phenomenon.

Hereinafter, with reference to the accompanying drawings will be described in detail a specific embodiment of the present invention.

As shown in FIG. 5, the DC power distribution panel 1 according to the present embodiment includes a front panel 100, a rear panel 200, a side panel 300, a bottom plate 400, and an input terminal unit 210. , Circuit breaker 110, first connection unit 230, power distribution unit 120, second connection unit 130, alarm lamp unit 140, output terminal unit 220, third connection unit 150, and fourth connection unit And 240.

First, the front panel 100 is a panel installed at the front of the DC power distribution panel 1, and as shown in FIG. 1, the breaker 110, the power distribution unit 120, and the alarm lamp unit 140 are provided. Is installed. To this end, the front panel 100 has a circuit breaker installation hole, distribution unit installation hole and the alarm lamp installation hole is formed side by side. In addition, the auxiliary panel 500 may be further installed at the rear of the front panel 100 to stably install the circuit breaker 110, the power distribution unit 120, and the path lamp unit 140. Like the front panel 100, the auxiliary panel 500 is provided with a circuit breaker installation hole, a distribution unit installation hole, and an alarm lamp installation hole side by side.

Next, the rear panel 200 is installed side by side spaced apart from the front panel 100 so as to face the front panel 100, as shown in Figs. The rear panel 200 is provided with an input terminal unit 210 and an output terminal unit 220. For this purpose, an input terminal installation hole and an output terminal installation hole are formed side by side in the rear panel 200. An auxiliary panel may be further installed in front of the rear panel 200 to facilitate the installation of the input terminal 210 and the output terminal 220.

As shown in FIGS. 1 and 5, the two side panels 300 connect both ends of the front panel 100 and the rear panel 200, respectively. Thus, the front panel 100, the rear panel 200 and the two side panels 300 are connected to each other, thereby forming a blind box shape having a predetermined space therein. On the other hand, the lower plate 400 is a component installed on the lower surface of the tetrahedron formed by the front panel 100, the rear panel 200 and the side panel 300. The lower plate 400 may have a simple plate-like structure, and may include components such as the circuit breaker 110, the power distribution unit 120, the alarm lamp unit 140, the input terminal unit 210, and the output terminal unit 220. The installed portion may have a structure in which a plurality of heat dissipation holes (not shown) are formed to discharge heat generated during use.

Next, as shown in FIGS. 1 and 5, the input terminal unit 210 is installed in an input terminal installation hole of the rear panel 200, and is a component that receives DC power for the first time from the outside. For this purpose, a plurality of external input terminals 211 and internal input terminals 212 are formed in the input terminal unit 210, respectively. The external input terminal 211 is disposed outside the rear panel 200 and is connected to a cable connected to the outside to receive external power. The internal input terminal 212 is disposed inside the rear panel 200 and provides a terminal connected to the breaker 110 and the output terminal 220. The internal output terminal 212 has a bolt fixing terminal structure to be coupled to the first and fourth connectors 230 and 240 in a bolting manner. Here, the bolt fixing terminal structure refers to a method of fixing the cable so as not to be separated from the terminal by tightening the bolt after the cable is inserted into the terminal in the terminal method.

Next, the breaker 110 is installed in the breaker installation hole of the front panel 100, as shown in Figures 1 and 2, is a component that blocks the current when excessive current flows. Since the internal structure of the circuit breaker 110 according to the present embodiment is the same as a general circuit breaker, a description thereof will be omitted here. 1 and 2, the breaker input terminal 111 receives current from the input terminal unit 210 and supplies current to the power distribution unit 120, as shown in FIGS. 1 and 2. Breaker output terminals 112 are formed respectively. The circuit breaker input terminal 111 and the circuit breaker output terminal 112 have a structure that can be fixed by tightening the terminal is inserted is inserted into the bolt. In particular, the circuit breaker output terminal 112 may be configured in two, or may be configured in one, two cables may be connected to one circuit breaker output terminal.

As shown in FIG. 5, the first connection unit 230 electrically connects the input terminal unit 210 and the circuit breaker 110 to transfer current from the input terminal unit 210 to the circuit breaker 110. Component. In the present embodiment, the first connection part 230 is a first bolt-type terminal part inserted into and fixed to the internal input terminal 212 formed in the input terminal part 210, and a circuit breaker input formed in the breaker 110. It has a structure including a second bolt fixed terminal portion inserted into and fixed to the terminal 111 and a first wire connecting the first and second bolt fixed terminal portions. Here, the bolt-type terminal part, like the circuit breaker input terminal 111, may be inserted into a terminal provided with a tightening bolt, and tightening the tightening bolt in the inserted state refers to a structure fixed to the terminal.

Next, the power distribution unit 120 is installed in the distribution unit installation hole of the front panel 100, and is a component for distributing a plurality of input DC power. To this end, the power distribution unit 120 includes a distribution printed circuit board 120, a distribution unit input terminal 121, and a plurality of power distribution ports 122.

The power distribution unit 120 according to the present embodiment is composed of a printed circuit board (PCB), unlike the conventional one. This is because the replacement operation is easy during use and easy to manufacture. The distribution unit printed circuit board 120 is fixed to the back of the front panel 100 or the back of the auxiliary panel 500, as shown in FIG. A plurality of power distribution ports 122 are formed on the upper side, and a distribution unit input terminal 121 is formed on the lower side.

In the power distribution unit 120 according to the present embodiment, a plurality of distribution unit input terminals 121 are formed. This is to connect the circuit breaker 110 and the power distribution unit 120 in duplicate, so that when a problem occurs in one connection, it can be used without a problem using the other connection. In addition, 10 or more power distribution ports 122 are formed, the number of the power distribution port 122 may be changed as necessary. In particular, in the present embodiment, since the power distribution port 122 is formed in the distribution unit printed circuit board 120, the number of installation thereof may be very easily changed. Further, a distribution connection part (not shown) is further provided on a rear surface of the distribution part printed circuit board 120 to connect the distribution part input terminal 121 and the power distribution port 122.

Meanwhile, the breaker 110 and the power distribution unit 120 are electrically connected by the second connection unit 130. Specifically, the second connector 130 connects the circuit breaker output terminal 112 of the circuit breaker 110 and the distribution unit input terminal 121 of the power distribution unit 120 to the second connection unit 130. As shown in FIG. 5, it is composed of two wires. Therefore, as described above, there are two paths for supplying power from the breaker 110 to the power distribution unit 120. The second connection unit 130 is also fixedly coupled to the circuit breaker output terminal 112 and the distribution unit input terminal 121 in the same manner as the first connection unit 230 by bolt fixing.

Next, the alarm lamp unit 140 is installed in the alarm lamp installation hole of the front panel 100 and is connected to the power distribution unit 120 to generate an alarm when an abnormal phenomenon occurs. In this embodiment, the LED lamp is installed in the alarm lamp unit 140 to make its life semipermanent. In addition, the alarm lamp unit 140 is also configured in the form of a printed circuit board (PCB) like the power distribution unit 120 to facilitate its installation and replacement. As shown in FIG. 5, the alarm lamp unit 140 includes a lamp output unit 124 formed in the power distribution unit 120 and a lamp input unit 141 formed in the alarm lamp unit 140. It is electrically connected to the power distribution unit 120.

In addition, the output terminal unit 220 is installed in the output terminal installation hole of the rear panel 200, and is a component that outputs a plurality of powers distributed by the power distribution unit 120 to the outside. To this end, the output terminal unit 220 includes a plurality of output unit input terminals 221 and output terminals 222, as shown in FIG. Here, the number of output terminals 222 and the number of output unit input terminals 221 are provided equal to the number of power distribution ports 122. In this embodiment, the output terminal unit 220 can also be configured by a printed circuit board method.

In the DC power distribution panel 1 according to the present embodiment, the power distribution port 122 and the output unit input terminal 221 are connected by the third connection unit 150. To this end, the third connecting portion 150 is configured to include a first insertion fixed terminal portion 151, a fuse 152, a second insertion fixed terminal portion and a third electric wire 150. Unlike the first and second connectors 230 and 240, the third connector 150 is inserted into and fixed to the power distribution port 122 and the output unit input terminal 221. Here, the insertion fixing type refers to a method in which the first and second insertion fixed terminal parts are engaged with each other and fixed by simply inserting the first and second insertion fixed terminal parts into the holes formed in the power distribution port 122 or the output part input terminal 221. The specific structure is generally the same as that used in computer peripherals and video equipment.

Thus, in the present embodiment, the third connection part 150 is configured to be inserted and fixed by a simple method, and the installation and replacement work is much easier as compared with conventional soldering, and it occurs during use. There is an advantage that the cold solder phenomenon generated by the heat does not occur at all.

In addition, in the present embodiment, as shown in FIG. 3, a fuse 152 is provided at the third connection unit 150 to separately install a fuse with respect to a plurality of powers output from each power distribution port 122. Take the structure To this end, a fuse 152 is installed between one end of the third connection part 150 and the first insertion-fixed terminal part 151 and the third wire 150. In this embodiment, the fuse 152 uses a low-cost automobile fuse instead of a conventional NFB fuse.

In the present embodiment, the input terminal 210 and the output terminal 220 are connected by the fourth connection unit 240, as shown in FIG. In this case, like the second connection unit 130, the fourth connection unit 240 connects the input terminal unit 210 and the output terminal unit 220 in a double manner so that a problem such as disconnection occurs in one connection line may occur. Use the connecting line to ensure normal operation. In addition, the fourth connection unit 240 is fixedly coupled to the input terminal unit 210 and the output terminal unit 220 in the same manner as the second connection unit 130 by bolt fixing.

1 is a plan view showing the structure of a DC power distribution panel according to an embodiment of the present invention.

2 is a rear view illustrating a structure of a front panel according to an embodiment of the present invention.

3 is a diagram illustrating a structure of a second connection unit according to an embodiment of the present invention.

4 is a rear view illustrating a structure of a rear panel according to an embodiment of the present invention.

5 is a perspective view showing the structure of a DC power distribution panel according to an embodiment of the present invention.

Claims

A front panel on which a breaker installer, a distributor installer, and an alarm lamp installer are formed;

A rear panel installed side by side to face the front panel and having an input terminal installation hole and an output terminal installation hole;

Two side panels respectively connecting the front panel and the rear panel;

A lower plate installed on a lower surface of the tetrahedron formed by the front panel, the rear panel and the side panel;

An input terminal unit installed in the input terminal installation hole and receiving DC power from the outside;

A circuit breaker installed in the circuit breaker installation hole;

A first connection part electrically connecting the input terminal part and the circuit breaker;

A power distribution unit installed in the distribution unit installation hole and having a plurality of power distribution ports for distributing a plurality of input DC powers;

A second connection unit electrically connecting the breaker and the power distribution unit, the second connection unit consisting of two wires to independently connect the breaker and the power distribution unit;

An alarm lamp unit installed in the alarm lamp installation hole and connected to the power distribution unit to generate an alarm when an abnormal phenomenon occurs;

An output terminal unit installed in the output terminal mounting hole and having a plurality of output terminals;

A plurality of third connection units connecting each of the plurality of power distribution ports and the plurality of output terminals;

And a fourth connection part electrically connecting the input terminal part and the output terminal part, the fourth connection part consisting of two wires to independently connect the input terminal part and the output terminal part.

The method of claim 1, wherein the first connection portion,

A first bolt-type terminal portion inserted into and fixed to an input terminal formed on the input terminal portion;

A second bolt fixed terminal part inserted into and fixed to an input terminal formed in the breaker; And

And a first wire connecting the first and second bolt terminals.

The method of claim 1,

The circuit breaker is provided with a plurality of circuit breaker output terminals for outputting power from the circuit breaker,

The second connection portion,

A third bolt fixed terminal part inserted into and fixed to the circuit breaker output terminal;

A fourth bolt-type terminal unit inserted into and fixed to one of a plurality of distribution unit input terminals formed in the power distribution unit; And

And a second wire connecting the third and fourth bolt terminals.

According to claim 3, The power distribution unit,

A distribution unit printed circuit board fixed to a rear surface of the front panel and formed at the distribution unit input terminal at a lower side thereof, and having a plurality of power distribution ports connected to the distribution unit input terminal at an upper side thereof;

And a distribution connection unit formed on a rear surface of the distribution unit printed circuit board to connect the distribution unit input terminal and the power distribution port.

The method of claim 4, wherein the third connecting portion,

A first insertion fixed terminal part inserted into and coupled to the power distribution port;

A fuse formed at a rear end of the first insertion fixed terminal part and blocking current when excessive current flows in the third connection part;

A second insertion fixed terminal part inserted into and coupled to the output terminal; And

And a third electric wire connecting the first and second insertion fixed terminal parts.

The method of claim 5, wherein the output terminal unit,

And a printed circuit board structure in which the plurality of output terminals are formed.