JPH0735423Y2 - Sensor mounting bracket - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a sensor mounting bracket for mounting various sensors such as a voltage sensor and a current sensor in contact with or close to an object to be measured.

[Conventional technology]

Conventionally, various devices have been used to measure AC voltage and current, but in recent years, voltage and current sensors that can perform the above measurements without directly contacting the DUT have been developed and put to practical use. Has arrived.

[Problems to be solved by the device]

However, these sensors cannot exhibit their original performance unless the distance, direction and angle with the object to be measured are accurately matched.For example, when mounting the voltage sensor close to the distribution line in the cubicle. The cubicle wall portion is processed to secure a dedicated space, or a dedicated mounting metal fitting is manufactured and mounted for each cubicle.

Therefore, there is a problem in that the mounting work is troublesome and time-consuming, and the cost is high.

Therefore, an object of the present invention is to provide a sensor mounting bracket that enables easy fine adjustment of the distance, direction, and angle with respect to the object to be measured, and that can be easily mounted on other members.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, a first invention is to provide an elongated body fitting, a first support portion provided at one end of the body fitting, and a rotatably supported by the first support portion. And a sensor mounting portion to which the sensor is mounted, the main body metal fitting is provided with a long hole extending in the longitudinal direction thereof, and the long metal has a fixing member provided with a means for mounting with another member. Its main point is that it is slidably and rotatably supported.

According to the second invention, four screw holes are arranged in a cross shape in the sensor mounting portion so as to be transparent, and the pitch between a pair of opposing screw holes of the four screw holes is the mounting position of the sensor. The gist of the invention is that the pitch is equal to the pitch between a pair of mounting holes that are provided through the flange.

A third invention has a positioning bolt having a fixing member slidably and rotatably inserted in the elongated hole, and a plurality of fixing holes into which the positioning bolt is screwed, and has a U-shaped cross section. Its gist is that it is composed of a formed grip portion.

[Action]

According to the first invention, the fixing member is attached and fixed to another member by the attaching means, and the main body metal fitting is slid and / or rotated along the long hole formed in the main body metal fitting, and the sensor is also provided. If the sensor mounting portion to which is attached is rotated on the first supporting portion of the main body fitting, the sensor is arranged at an arbitrary position with respect to the other member.

According to the second invention, the mounting direction of the sensor with respect to the sensor mounting portion can be changed depending on which pair of screw holes is selected from the four screw holes provided through the sensor mounting portion.

According to the third invention, by inserting another member between the grips, the grip and the other member are fixed, and which of the mounting holes provided in the grip is attached. The mounting position of the grip portion with respect to the main body fitting can be arbitrarily changed by selecting the hole and screwing it into the positioning bolt.

[First embodiment]

A first embodiment of the present invention in which a voltage sensor is attached to a distribution line in a cubicle will be described below with reference to the drawings.

As shown in FIG. 2, a long angle plate 1 is extended in the cubicle, and a power distribution line 2 is provided at a portion separated from the angle plate 1 by a predetermined distance in parallel with the angle plate 1. It is arranged.

A voltage sensor 3 is attached and fixed to the angle plate 1 via a sensor mounting bracket 4, and the voltage sensor 3 is kept in a state in which a distance, a direction and an angle are maintained so that the detection surface 5 can maximize its performance. It is arranged close to the distribution line 2.

As shown in FIG. 1, the sensor mounting bracket 4 includes a body fitting 9 made of a long metal flat plate, and a first support portion formed by bending one end of the body fitting 9 downward by approximately 90 °. 10 and a sensor mounting portion 11 rotatably supported by the first support portion 10.
And a fixing member 13 slidably and rotatably supported in an elongated hole 12 bored from the other end of the body fitting 9 toward one end.

The sensor mounting portion 11 is formed of a metal flat plate similar to the main body fitting 9, and the other end thereof is provided with a second support portion 14 formed by bending the other end downward by approximately 90 °. A support hole 15 is provided through the second support portion 14, and the support hole 16 is provided through the first support portion 10 and a toothed washer 17 is used to superpose and fix the support hole 18. As a result, the sensor mounting portion 11 is attached to the support bolt with respect to the body fitting 9.
It is rotatably supported (indicated by an arrow X in FIG. 2) about 18 as a rotation center.

The sensor mounting portion 11 is provided with four screw holes 21 arranged in a cross shape so as to be transparent. The pitch between a pair of screw holes facing each other among the four screw holes 21 is determined by a mounting flange of the voltage sensor 3.
The pitch is made equal to the pitch between a pair of mounting holes 23 that are transparently provided in 22. Therefore, of the four screw holes 21, a pair of opposing screw holes 21 is arbitrarily selected and the flat washer 19 is inserted into the screw holes 21.
And if the mounting bolt 28 is screwed in via the spring washer 20,
The mounting direction of the voltage sensor 3 with respect to the sensor mounting portion 11 is the second
It can be set in two positions, the state shown in the figure and the state rotated by approximately 90 ° shown in FIG.

The fixing member 13 is a positioning bolt 25 slidably and rotatably inserted into the elongated hole 12, and the positioning bolt 25.
The flat washer 19 and the spring washer 20 inserted in the upper part of the slot 25, the toothed washer 24 also inserted in the lower part of the positioning bolt 25 in the slot 12 and the positioning bolt 25 are screwed. A fixing hole 26 having a plurality of insertable female screws is formed from a holding portion 27 having a U-shaped cross section. Therefore, the positioning bolt 25 is loosened to move the grip portion 27 along the elongated hole 12 (indicated by the arrow Y in FIG. 2), or is rotated about the positioning bolt 25 (see the arrow Z in FIG. 2). The voltage sensor 3 by
The distance and the angle between the distribution line 2 and the distribution line 2 can be arbitrarily changed. One fixing hole 26 is transparently provided in the grip portion 27, and one fixing hole 26 is provided at the top of the curved portion 30 and two fixing holes 26 are provided at each side wall portion 31.
It is possible to arbitrarily set the attachment state of the grip portion 27 to the main body fitting 9 depending on whether or not the screw is inserted.

Further, fixing bolts 29 can be inserted into the fixing holes 26, and the angle plate 1 is inserted between the side wall portions 31 to fix the side wall 31 from one side wall 31 toward the other side wall 31. The grip 27 can be positioned and fixed to the angle plate 1 by screwing the bolt 29.

The voltage sensor 3 is formed into a substantially cubic shape whose electrodes are shielded by shield metal fittings via an insulator, the detection surface 5 is formed on the front surface, and the lead wire 32 (second (Only shown in the figure).

Next, the operation and effect of the first embodiment configured as described above will be described.

When the voltage sensor 3 is mounted on the sensor mounting bracket 4 and fixed to the angle plate 1, first, an arbitrary pair of screw holes 21 out of the four screw holes 21 provided through the sensor mounting portion 11 are formed. The sensor mounting portion is selected by aligning the mounting hole 23 of the mounting flange 22 of the voltage sensor 3 with the screw hole 21 and screwing the mounting bolt 28 through the plain washer 19 and the spring washer 20. Attach the voltage sensor 3 to 11 in place.

Next, the second support portion 14 of the sensor mounting portion 11 to which the voltage sensor 3 is mounted is attached to the first support portion 10 of the main body metal fitting 9 with a toothed washer 17
The sensor mounting portion 11 is mounted on the main body fitting 9 by stacking them via the support bolt 18 and screwing in the support bolt 18.

In parallel with these operations, a predetermined portion of the angle plate 1 is sandwiched by both side wall portions 31 of the grip portion 27, and a fixing hole 26 provided through one side wall portion 31 through the angle plate 1 to the other side wall portion 31. The gripping portion 27 is fixed to the angle plate 1 by screwing the fixing bolt 29 toward and tightening.

After that, the main body metal fitting 9 to which the voltage sensor 3 is attached is arranged so that the elongated hole 12 and the fixing hole 26 provided through the curved portion 30 of the grip portion 26 correspond to each other, and the flat washer 19 and the spring are provided. The positioning bolt 25 is screwed in through the washer 20 and the toothed washer 24. At this time, the distance and the angle between the voltage sensor 3 and the distribution line 2 are set by moving the body fitting 9 in the Y direction or rotating the positioning bolt 25 in the Z direction.

Finally, loosen the support bolts 18 to attach the sensor mounting portion 11 to the X
When the detection surface 5 and the distribution line 2 are finely adjusted by rotating the voltage sensor 3 in the direction, the voltage sensor 3 is arranged close to the distribution line 2 in a state where the voltage sensor 3 can sufficiently exert its performance.

As described above, according to this embodiment, as long as the sensor mounting bracket 4 having the voltage sensor 3 is mounted on the angle plate 1 in the cubicle, the mounting surface 4 of the voltage sensor 3 and the distribution line are attached by the mounting bracket 4. Fine adjustment of the distance, angle, and direction with 2.

Since the sensor mounting bracket 4 can be adjusted in various ways as described above, it is highly versatile and can be embodied at a very low cost because it is not necessary to perform special processing on the cubicle.

[Second embodiment]

Next, a second embodiment of this invention will be described with reference to FIG.

In this second embodiment, the angle plate 1 and the distribution line 2 are arranged so as to be orthogonal to each other, and the voltage sensor 3 is installed in a cubicle in which the distance between the angle plate 1 and the distribution line 2 is relatively short. It differs from the first embodiment in that it is attached and fixed.

Therefore, when the sensor mounting bracket 4 having the voltage sensor 3 is attached and fixed to the angle plate 1, a predetermined portion of the angle plate 1 is held by both side wall portions 31 of the grip portion 27, and the lower portion The angle plate 1 and the grip portion 27 are fixed by screwing a fixing bolt 29 (not shown in FIG. 4) into the fixing hole 26 provided through the side wall portion 31.

Next, another fixing hole 26 (not shown in FIG. 4) provided through the side wall portion 31 of the grip portion 27 in this state and the long hole of the main body fitting 9 to which the voltage sensor 3 is attached in advance are provided. The flat washer 19, the spring washer 20, and the toothed washer 24 (fourth
The positioning bolt 25 is screwed in via a not shown). At this time, the distance and the angle between the voltage sensor 3 and the distribution line 2 are set by moving the body fitting 9 in the Y direction or rotating the positioning bolt 25 in the Z direction.

Finally, the support bolt 18 (not shown in FIG. 4) is loosened and the sensor mounting portion 11 is rotated in the X direction to finely adjust the directions of the detection surface 5 and the distribution line 2. Similar to the one embodiment, the voltage sensor 3 is arranged close to the distribution line 2 in a state where the voltage sensor 3 can sufficiently exert its performance.

Therefore, also in the second embodiment, the same action and effect as the first embodiment are exhibited.

The present invention is not limited to the above-described embodiments, but may be modified and embodied as shown below.

(1) In each of the embodiments, the sensor mounting bracket 4 of the voltage sensor 3 is embodied, but it may be embodied as a sensor mounting bracket of various sensors such as a current sensor.

(2) The number of threaded holes 21 provided in the sensor mounting portion 11 is not limited to four in this embodiment, and the number of screw holes 21 may be six or more to further reduce the mounting angle of the voltage sensor 3 with respect to the sensor mounting portion 11. It may be adjustable.

(3) In each of the embodiments, the case where the sensor is in the non-contact state with the object to be measured is shown, but it is also possible to embody the sensor in the state where the sensor is in contact with the object to be measured. .

(4) The grip 27 is screwed to the angle plate 1,
It may be fixed to the angle plate 1 by a method other than screwing.

[Effect of device]

As described in detail above, according to the first aspect of the present invention, fine adjustment of the distance, direction, and angle with respect to the object to be measured can be easily performed, attachment with other members is easy, and an excellent general purpose Have sex

Further, according to the second invention, the mounting direction of the sensor with respect to the sensor mounting portion can be arbitrarily changed.

Further, according to the third aspect, other members can be inserted and fixed between the grip portions, and the mounting position of the grip portion with respect to the body fitting can be arbitrarily changed.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a sensor mounting bracket of the present invention,
FIG. 2 is a perspective view of an essential part showing a first embodiment of the present invention, and FIG. 3 is a perspective view of an essential part showing another mounting state in the first embodiment,
FIG. 4 is a perspective view of a main part showing a second embodiment of the present invention. DESCRIPTION OF SYMBOLS 1 ... Angle plate as other member, 3 ... Voltage sensor as sensor, 9 ... Main body metal fitting, 10 ... First support part, 11 ... Sensor mounting part, 12 ... Oblong hole, 13 ... Fixing member, 21 ... Screw hole, 22 … Mounting flange, 23… Mounting hole, 25… Positioning bolt, 26… Fixing hole, 27… Grip.

Claims (3)

[Scope of utility model registration request] 1. An elongated body fitting, a first support portion provided at one end of the body fitting, and a sensor mounting portion rotatably supported by the first support portion and to which a sensor is mounted. The main body metal fitting is formed with a long hole extending in the longitudinal direction thereof, and a fixing member having a means for attaching to another member is slidably and rotatably supported in the long hole. A sensor mounting bracket characterized in that 2. The sensor mounting portion is provided with four screw holes arranged in a cross shape in a transparent manner, and a pitch between a pair of opposing screw holes among the four screw holes is a sensor mounting flange. The sensor mounting bracket according to claim 1, wherein the pitch is equal to the pitch between a pair of mounting holes that are transparently provided in the. 3. The fixing member has a positioning bolt slidably and rotatably inserted into the elongated hole, and a plurality of fixing holes into which the positioning bolt is screwed, and has a U-shaped cross section. The sensor mounting bracket according to claim 1, wherein the sensor mounting bracket comprises a grip portion.