KR20040100689A - Switch box for control panel - Google Patents

Abstract

PURPOSE: A switch box for control panels is provided to reduce a manufacturing time and cost by arranging various operational switches on a case as a kit and then implementing the kit on a door of the control panel. CONSTITUTION: A switch box for control panels includes a plurality of switches, a case(100), a plurality of coupling holes, an operational switch(150,160), a terminal block(170) having a plurality of connection nodes, and an electrical line(180). The case includes a protrusion member for a coupling with a door of the control panel. The coupling holes are punched on a front panel of the case. The operational switch is fixed by a fixing cap while sandwiched by the coupling holes. The connection nodes are formed to be exposed to a rear portion of the case. The electrical line is extracted from an operational switch of the cover and is formed to be coupled with the connection nodes of the operational switch.

Description

Switch box for control panel

The present invention relates to a switch box for a control panel, and in particular, a plurality of operation switches are pre-wired into a fire-resistant metal case to make a single kit, so that the operation switches can be installed on the control panel very easily. It relates to a switch box for the control panel to enable.

The control panel (A) is usually composed of a rectangular box-shaped terminal box housing (C) and a door (B) closed and coupled to the front of the terminal box housing, the door (B) of the control panel Many types of switches, such as a selector switch and a pushbutton lamp switch, are installed to operate a high voltage motor, a lamp, or other electric devices.

Therefore, the conventional control panel can operate the switches necessary for the operation of the device without opening the door, but in order to install the respective switches has the disadvantage that you need to drill the coupling holes (D) to the number of the corresponding switch in the door In addition, it is to have a closed end to be connected to each of the switch terminal exposed to the back of the door to the wires connected from the device in the state of opening the door after attaching the switches to the respective coupling holes individually.

As such, the conventional control panel is arranged in a state in which the switches are scattered on the door as shown in FIG. 1, and thus, the connection between the terminals and the terminals of the switch is difficult.

In addition, the wiring should be connected to a switch and a switch, a switch and a device, but the number of switches and terminals has a lot of wires can be arranged very dizzy, and thus, the expert has a disadvantage of difficult wiring. In addition, such dizzying wires are exposed to the back of the door, and the wires are very dense, and even when the wires are in contact with each other, the possibility of short circuit increases. Will also occur.

In addition, in the above case, the wires are kept in a broken state during the arrangement, and there is a risk of disconnection due to the stress caused by long energization, and when each wire is shorted, a contact resistance may be formed or a fire may occur due to a short circuit. Since the control panel is exposed to each switch, even if a fire occurs in only one switch, all the switches have to be exposed to the flame, which can damage the whole control panel and cause huge economic damage.

In addition, when the wire is cluttered and arranged long as described above has a disadvantage that the line resistance is large, the power loss increases, and when a plurality of switches are to be installed, the panel door size is limited, it is difficult to arrange.

Although the conventional control panel exposes a lot of problems, so far, the industry has been soaked with the inertia that has been working so far, and has not taken all these things for granted and attempted to solve them.

Therefore, the present invention was devised to solve the disadvantages of the conventional control panel, and does not directly install the conventional operation switch, that is, the selection switch and the push button lamp switches in the door of the control panel, it is made of a fire-resistant metal material in advance The case is made of sheet material, and the necessary number and type of switches are arranged at the most appropriate position inside the case, and the wires are connected in advance so that the terminals of the terminal blocks exposed to the outside of the case cover and the terminals of the switches are connected by electric wires. It is to provide a switch box for the control panel so that even if you are not an expert, the operation switches can be easily installed in the control panel by making a kit.

1-Reference perspective view for showing the prior art.

2-an exploded perspective view of the present invention.

Figure 3-Front perspective view of the combined state of the present invention.

4-rear perspective view of the present invention;

5-3 is a sectional view taken along the line A-A.

Figure 6-Reference diagram for showing the internal wire connection state of the present invention.

7-Reference perspective view for showing the mounting state of the present invention.

8-7 is a reference cross-sectional view showing a mounting state of the present invention by cutting a part of FIG.

* Explanation of symbols for main parts of the drawings

1: Switch box of the present invention (hereinafter referred to as switch box)

100: case 101: front panel

102: screw

110: locking jaw 111: screw fastener

120: coupling hole 130: name plate

131: screw 132: screw fastener

140: cover 141: internal wiring diagram

150: select switch

151: selector switch fixing cap

160: push button lamp switch

161: lamp switch fixing cap

170: terminal block

171: connection terminal

180: electric wire 190: terminal jumper

A: control panel B: door

C: housing D: switch coupling hole

The structure of the switch box for the control panel of the present invention will be described in detail with reference to the accompanying drawings.

The switch box 1 for the control panel of the present invention includes a housing 100 having a locking jaw 110, and a plurality of coupling holes 120 drilled into the front plate 101 of the case. And, the terminal block 170 having a plurality of connection terminals are formed so as to be exposed to the outside of the back of the case and the known operation switch (150,160) is inserted into the coupling hole 120 and fixed by the fixing caps (151,161) ), And the wire 180 drawn from the terminal of the operation switch of the cover is connected to the connection terminal 171 of the terminal block.

The case 100 is made of stainless steel having good corrosion resistance and fire resistance, and the locking jaw 110 protruding from the front edge of the case has the case shown in FIG. 7. As it is fitted from the front of the door (B) as it is coupled to the door is in close contact with the surface of the door to support the switch box 1 of the present invention, it is necessary configuration to be able to be coupled to the door by a screw 102 . At this time, the screw fastening hole is formed on the rear surface of the locking step for coupling the screw 102.

The name plate 130 is formed on the front upper portion of the front plate 101, the name plate has a structure coupled to the screw fastening hole 132 perforated by the front plate by a screw 131.

The name plate is for displaying the use history of the switch box 1 of the present invention, the type and operation method of the device that can operate according to the type of the operation switches arranged in the switch box 1 of the present invention will also vary By displaying this, it is necessary to enable workers to easily grasp the usage history of the switch box 1 of the present invention.

In addition, the switch box 1 of the present invention may display the internal connection diagram 141 by a sticker or printing on the back of the case 100 as shown in FIG. Therefore, even if only the internal wiring diagram, the operator can clearly know the arrangement and connection state of the switch inside, it is possible to confidently connect the wire drawn from the device to the terminal block 170 without opening the case.

In the present invention, as shown in FIG. 6, the terminal connection of the operation switches 150 and 160 may be a wire 180, but the terminal jumper 190 is used to prevent short circuits and short circuits, and to reduce power consumption.

The terminal jumper 190 is silver plated, thereby reducing the contact resistance, thereby minimizing the power loss, and facilitating the connection as well as using the space between the terminals very efficiently. Deployment can also be very easy.

As described above, the present invention arranges the switches necessary for the operation of the device in the case in advance and manufactures the kit in a state in which the wiring is completed, and when only the kit is mounted on the door of the control panel, the installation is completed. It is possible to solve the disadvantage of having to drill all of the fastening holes for the switch coupling and the disadvantage of having to install and wire the switch directly to the door one by one, which can significantly reduce the manufacturing time and cost of the control panel.

In addition, the present invention is connected to the terminal of the terminal block exposed to the outside of the case of the terminal switch wiring is completed in advance, and also the internal wiring diagram is displayed on the back of the case anyone who is not an expert wiring and installation work This enables significant savings in manpower costs.

In addition, the present invention is the state that the switch is placed in the most suitable position and this makes the connection between the terminal and the terminal closer to facilitate the connection as well as the use of the silver-plated terminal jumper with the wire can reduce the line resistance Minimize losses and use space on the control panel efficiently.

In particular, the present invention is a structure in which a plurality of switches are kitted by each application but mounted inside the case made of a metal plate can protect the control panel and other switches even in the event of a fire due to a short circuit or resistance of the wires. It has an effect.

In addition, since the name plate is displayed on the front of the case in advance, there is no need to purchase a name plate like a conventional control panel, and it is possible to freely modify the description and usage of the device that can be attached and detached, and thus the cost of raw materials. It is a very useful invention that can reduce the cost.

Claims (5)

In the switch box for the control panel installed in the door of the control panel consisting of a plurality of switches for the operation of the device, A case having a locking jaw to be coupled to the door of the control panel, a plurality of coupling holes drilled in the front plate of the case, a known operation switch fitted into the coupling hole and fixed by a fixing cap, and Control panel switch characterized in that the terminal block having a plurality of connection terminals formed to be exposed to the outside on the back, and the wire drawn out from the terminal of the operation switch of the cover is connected to the connection terminal of the terminal block box. The switch box of claim 1, wherein the case is made of stainless steel. The switch box of claim 1, wherein a name plate is formed on an upper surface of the front plate. The switch box for a control panel of claim 1, wherein an internal connection diagram is displayed on a rear surface of the case. The control box switch box according to claim 1, wherein the electric wires use silver-plated terminal jumpers.