JPH0614376Y2 - Switch with transformer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a switch having a transformer.

(Prior Art) Conventionally, a switch with a transformer is provided with a switch on the primary side of the transformer, and the switch and the transformer are housed in a box-shaped body. This switch opens and closes two fixed electrode cylinders by capping or removing the open / close lid.A cable head is connected to one fixed electrode cylinder of the switch and the other fixed electrode cylinder and the transformer. And are electrically connected.

(Problems to be solved by the invention) This conventional device is installed in the box-shaped body when the switch is installed.
It is necessary to secure a space for moving the opening / closing lid above the switch, so that the length of the cable head cable connected to the lower part of the switch in the box-shaped body is shortened accordingly. It was difficult to get rid of habits and it took time. For this purpose, the box-shaped main body may be made large, but it is required to make the switch of this kind compact so as to occupy as little space as possible.

(Means for Solving the Problems) Therefore, the present invention has a switch built in a corner portion at one upper end of a box-shaped main body, and this corner portion can be opened and closed, and a cable for connecting to the switch in the box-shaped main body is provided. A certain length is secured to solve the above problems.

The concrete structure of the present invention is that a box-shaped body having a transformer and a switch connected to the primary side thereof is provided with an opening at an upper corner of one end, and an opening / closing door that covers the opening is opened and closed. Provided, the switch is installed in the opening close to the open / close door, and the switch is formed by covering two fixed electrode cylinders with an open / close lid, and the open / close lid is for opening / closing the switch. Is provided at a position that moves inward and outward in the opening of the box-shaped body, and when the switch is in the open state, the open / close lid projects outward from the position of the open / close door with the opening closed, and the switch is in the closed state. In the case of, the opening / closing lid is configured to be housed inside the opening / closing door position in which the opening is closed, and the cable head of the cable raised from the lower inside of the box-shaped body is connected to one of the fixed electrode tubes. The other fixed electrode tube was connected to the above transformer Than it is.

(Operation) To open and close this switch, open and close the open / close door at the upper corner of the box-shaped main body, and in this state, deeply cover the open / close lid of the switch with the fixed electrode cylinder, and then open the switch. When the open / close lid is lifted from the fixed electrode cylinder and floated, the switch is opened. At that time, the opening / closing lid projects from the box-shaped body. Of course, this opening / closing lid can be removed from the fixed electrode cylinder. The opening and closing operations of these switches can be performed only when the opening and closing door is opened as described above, and cannot be performed when the opening and closing door is closed. Also, when the switch is on, the open / close door is closed.

(Embodiment) An embodiment of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes a box-shaped main body, and a partition wall 2 provided in the box-shaped main body 1 divides the box-shaped main body 1 into two parts. The transformer 3 is housed in one of the larger ones, and two sets of switches 4, 4 are installed in the other smaller one. These two sets of switches 4 and 4 are arranged side by side and supported and fixed by a frame in the vicinity of one upper corner of the box-shaped body 1. The switches 4 of each set are composed of three-phase switches, and each switch 4 has two fixed electrode cylinders 5 and 5 ′, which are deeply capped with an opening / closing lid 6, so that one fixed electrode cylinder 5
The inside of the switch, the electrode inside the opening / closing lid 6, the connecting conductor, and the electrode of the other fixed electrode cylinder 5'are electrically connected, and the switch 4 is closed. Further, when the opening / closing lid 6 is pulled up from the two fixed electrode cylinders 5 and 5 ', the electrodes in each fixed electrode cylinder 5 and the electrodes in the opening / closing lid 6 are separated from each other, and the switch 4 is opened. Then, three switches 4 having such a configuration are arranged to constitute a set of switches 4 of three phases, and a connecting bridge 7 provided at the back of the opening / closing lid 6 of each switch 4 opens / closes a set of three phases. The opening and closing of the container 4 is to be linked. Reference numeral 8 denotes a cable head connected to the lower portion of one fixed electrode cylinder 5 of each switch 4, and the cables of each of these cable heads 8 stand up from the lower portion of the box-shaped body 1. Reference numeral 9 is an L-shaped terminal body connected to the other fixed electrode cylinder 5'of each switch 4, and the other end of each L-shaped terminal body 9 is supported by the partition wall 2 and the fixed electrode cylinder 5 The electrode inside the ′ is electrically connected to the primary side of the transformer 3 through the L-shaped terminal body 9. Reference numerals 10 and 10 denote switching mechanism portions of the switches 4 of the respective sets, which are provided below the L-shaped terminal bodies 9. The powers of the switching mechanism portions 10 are transmitted to the switches 4 of the pair. The three opening / closing lids 6 move up and down and are attached to and detached from the fixed electrode cylinders 5 and 5 '. 11 and 11 are each of these opening / closing mechanism parts.
A link body provided between the side portion of 10 and the side wall of the box body 1, one end of each of these link bodies 11 is connected to each opening / closing mechanism section 10, and the other end is an appropriate object in the box body 1. It is rotatably supported at one end of each operation shaft 12 rotatably supported by. As a result, each operating axis 12
When the is rotated, each link body 11 moves, and in conjunction with this, the opening / closing mechanism section 10 operates. Reference numeral 13 denotes an opening formed in the box-shaped body 1 by obliquely notching the upper corner of one end where the two sets of switches 4 are installed. The opening edge of the opening 13 forms a rising opening edge 13a. The rising opening edge 13a is located inward from the outer wall surface of the box-shaped body 1 by a certain width, and an outer peripheral flat edge 13b is formed on the outer circumference of the rising opening edge 13a. The tips of the two sets of switches 4 and the two operating shafts 12 project from the opening 13. Reference numeral 14 denotes an opening / closing door having a key-shaped cross section, which is provided in the opening 13 so as to cover the opening / closing switch 4 and the operating shaft 12.
It can be opened and closed by the hinge 15 provided on one side of b.
When the opening 13 is closed, the outer peripheral edge 14a of the opening / closing door 14 rises and contacts the outer peripheral packing (not shown) of the opening edge 13a, and the end surface thereof contacts the outer peripheral flat edge 13b. 16 is the above opening 13
A frame is formed around the outer circumference of the two sets of switches 4 projecting to the side, and 17 is a stay in which the opening / closing lid 14 and the inside of the opening 13 are connected to both sides of the opening 13, and when the opening / closing lid 14 is opened. The opening / closing lid 14 is stopped at a fixed position.

In the case of this embodiment, the opening / closing lid 14 can be closed when the switches 4 of each set are closed. Then, in order to open the switches 4 of each set, the opening / closing door 14 is opened, the opening / closing door 14 is fixed in an open state as shown in FIG. 3, and the opening / closing door 14 is positioned on both sides of the opening 13 by an appropriate operation tool. Each operating shaft 12 is rotated. As a result, the opening / closing lid 6 of the switch 4 of each set goes up through the respective link bodies 11 and the opening / closing mechanism section 10 and floats up from the fixed electrode cylinders 5, 5 '. As a result, the switches 4 of each set are opened. At this time, the upper portions of the opening / closing lids 6 of the switches 4 of each set project upward from the upper surface of the box-shaped main body 1 as shown in FIG. Further, in the open state of the open / close door 14, the open / close lids 6 of the switches 4 of each set can be removed from the movable support body, and a closed circuit lid (not shown) can be attached to each switch 4. Further, from the state where each set of switches 4 is open and each opening / closing lid 6 is floating from each of the two fixed electrode cylinders 5 and 5 ', in order to put it in, an appropriate operating tool is used to operate each of the above-mentioned operations. When the operation shaft 12 is fitted onto the shaft 12 and the operation shaft 12 is rotated, the respective open / close lids 6 of the switches 4 of each set are lowered, and the two fixed electrode cylinders 5,
5'is deeply crowned and each switch 4 is closed. As a result, each opening / closing lid 6 is located below the upper surface of the box-shaped main body 1, and the opening / closing door 14 can be closed.

Further, in the above embodiment, when the opening / closing door 14 is covered with the opening 13,
Since the outer peripheral edge 14a of the opening / closing door 14 is in contact with the outer periphery of the rising edge 13a of the opening 13, the waterproof effect is high and rainwater does not enter the inside through the opening 13.
In the above embodiment, when the opening / closing door 14 of the box-shaped body 1 is opened,
Although a part of the opening / closing lid 6 of the switch 4 in the closed state is projected from the opening 13, the invention is not limited to this, and when the open / close door 14 of the box-shaped body 1 is opened, the switch 4 in the closed state. The opening / closing lid 6 of the above is housed in the opening 13, and the opening / closing lid 6 is opened.
May be configured to project outward from the opening 13.

(Effect of the Invention) The present invention has the above-described configuration, and the switch is provided at the upper end of the box body, and the opening and closing of the switch is projected above the box body 1 through the opening formed in the box body. With such a configuration, the storage space for the switch can be made extremely small, and the box-shaped main body itself storing the switch can be made compact. Even if the box body is made smaller in this way, a switch is installed in the box body to secure the cable length of the cable head for introducing and connecting to each switch. When attaching the cable head to the cable, the cable can be straightened to facilitate the installation.

Also, when opening and closing the switch, open the door
Since the switch is exposed at the opening and the operation shaft can be provided so as to be exposed at the opening, it is extremely easy to open and close the switch and inspect it.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, FIG. 1 is a partially cutaway front view of the present invention, FIG. 2 is a cutaway side view of the same portion, and FIG. 3 is a perspective view of the present invention with an opening / closing door opened. FIG. 4 is a partial perspective view showing the opening of the box-shaped body of the present invention with the opening / closing door removed, FIG. 5 is a front view of the present invention, and FIG. 6 is a switch of the present invention. FIG. 3 is a partially cutaway front view of FIG. In the figure, 1 is a box-shaped body, 3 is a transformer, 4 is a switch, and 5,
5'is a fixed electrode tube, 6 is an opening / closing lid, 8 is a cable head,
12 is an operation shaft, 13 is an opening, 14 is an opening / closing door, and 17 is a link.

Claims (1)

[Scope of utility model registration request] 1. A box-shaped main body having a transformer and a switch connected to the primary side of the box-shaped main body is provided with an opening at an upper corner of one end, and an opening / closing door is provided to cover the opening so as to be opened and closed. The switch is installed in the opening close to the door, and the switch is formed by covering two fixed electrode cylinders with an open / close lid, and the open / close lid is opened and closed by the opening / closing operation of the switch. When the switch is in the open state, the opening / closing lid protrudes outside of the opening / closing door position where the opening is closed, and when the switch is in the closed state, The opening / closing lid is configured to be housed inside the opening / closing door position with the opening closed, and the cable head of the cable raised from the lower inside of the box-shaped body is connected to one of the fixed electrode tubes and the other fixed electrode. A transformer characterized in that a cylinder and the above transformer are connected. Vessel with a switch.