JPH0350471Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an infrared monitoring device with an explosion-proof structure, and more specifically to an infrared monitoring device using a solar cell as a power source.

(Prior technology) Photoelectric monitoring that is installed at regular intervals, sends and receives light beams between monitoring devices, and detects when the light beams are interrupted to notify that a person or object has entered. The device is well known.

Incidentally, in areas where there is a danger of explosion, such as petroleum complexes, it is mandatory to use explosion-proof equipment, but until now there were no photoelectric monitoring devices with explosion-proof construction.

It goes without saying that explosion-proof equipment has an explosion-proof structure, but the monitoring device of this invention
They are installed at intervals of 100 to 200 meters, and when 50 to 60 units are installed in a vast area such as an oil complex, there are many power supply components to supply power to each monitoring device, which increases the risk. The following problem occurs.

(Problem to be Solved by the Invention) The problem to be solved by the invention is to provide an explosion-proof infrared monitoring device in which each part of the monitoring device has an explosion-proof structure and uses a solar cell as a power source.

(Means for solving the problem) The means for solving the problem in this invention are as follows:
A base housing a storage battery and a controller, a monitoring case cover provided above the base, a plurality of shelves provided within the monitoring case cover, and infrared rays installed alternately on each shelf. A photoelectric monitoring device comprising a light transmitter and a light receiver, and a solar cell provided on the upper part of the monitoring housing cover, and in which the storage battery, the controller, the light transmitter, the light receiver, and the solar cell have an explosion-proof structure. , the above-mentioned shelf board is made by fixing rings to both ends of a plurality of pillars and joining the rings to each other so that the mounting position of each ring can be adjusted in the circumferential direction, and the above-mentioned light transmitter and light receiver is connected to the inner side of a pair of bearing plates provided on the shelf board at positions opposite to the center of the ring so that the mounting position can be adjusted in a direction perpendicular to the axial direction of the support column that connects the shelf board. It is characterized by the fact that

(Function) An upper ring 50 and a lower ring 51 are fixed to both ends of each divided support 4 with tightening bolts 10, and then the upper and lower rings 50 and 51 are overlapped to form a shelf board 5, and the shelf board 5 is connected by connecting bolts 12 and 16 to connect the upper and lower rings 50 and 51.
Moreover, the U-shaped support plate 1 provided on each of the above-mentioned shelf boards 5
The light transmitter 6 and the light receiver 7 are connected to the bearing plate 18 connected to the light transmitter 6 and the light receiver 7.
is attached by a support shaft 21.

Next, the light transmitter 6 and light receiver 7 attached to the shelf board 5 are housed in the monitoring case cover 3, and the apparatus is set at a predetermined location.

During the day, the light transmitter 6 and the light receiver 7 are operated using the solar cell 8 as a power source, and at night, the controller switches and operates the device using the storage battery as a power source, allowing monitoring operations to be performed all day long.

(Example) FIG. 1 is an overall view of an infrared monitoring device, and FIG. 2 is a detailed view of a cover inside a monitoring case that houses a light transmitter and a light receiver.

In these figures, the base 1 is box-shaped, and has a storage battery and a controller (not shown) built therein, and a terminal box 2 is provided on the side. Although the storage battery has an explosion-proof construction for increased safety, both the controller and the terminal box 2 have a pressure-resistant explosion-proof construction.

A cylindrical monitoring case cover 3 is provided on the upper surface of the base 1, and within the monitoring case cover 3, a plurality of shelf boards 5 are provided on four vertically provided columns 4. Light transmitters 6 and light receivers 7 are alternately installed on each of these shelf boards 5. Further, a solar cell 8 is provided at the upper end of the monitoring case cover 3.
The light transmitter 6 and the light receiver 7 have a pressure-resistant explosion-proof structure, but the solar cell 8 has an increased safety explosion-proof structure. The monitoring case cover 3 is made of acrylic and is designed to transmit infrared rays.

Furthermore, four shelf boards 5 are formed on four columns 4 provided in the vertical direction within the monitoring case cover 3, and as an example, a light transmitting device that emits infrared rays is placed on the top shelf of the shelf board 5. A light receiver 7 for receiving infrared rays is installed on the next stage, a light receiver 7 is installed on the next stage, and a light transmitter 6 is installed on the lowest stage.

Details of the light transmitter 6 are shown in FIG. 3, and the light receiver 7
The details are shown in FIG. Above light transmitter 6
The light transmitter 61 is mounted on the front of the light transmitter main body 60 which has an explosion-proof structure.
A cable 62 for supplying power to internal components is provided in a sealed structure on the upper and lower surfaces of the light transmitter main body 60. On the other hand, the light receiver 7
The receiver main body 70 has an explosion-proof structure, and is provided with a light receiving section 71 on the front surface, a sensitivity adjustment meter 72 on the rear surface for measuring the sensitivity of the infrared reception state, and furthermore, on the upper and lower surfaces of the light receiver main body 70, internal parts are installed. A cable 73 for feeding power is provided in a sealed structure.

The mounting structures of the light transmitter 6 and the light receiver 7 are the same and are shown in FIGS. 5 to 7. The shelf board 5 is a ring-shaped board, and the support column 4 is divided into each shelf board 5, and an upper ring 50 is attached to the upper end of each divided support column 4, and a lower ring 51 is attached to the lower end of each divided support column 4.
The rings 50 and 51 are each connected to the divided pillars 4 with tightening bolts 10. The above-mentioned shelf board 5 includes the above-mentioned upper ring 50 and lower ring 5.
1, and the ring 50,
The connecting bolts 12,
16, the two are connected and fixed. Of the circular arc-shaped long holes 11 and 17, the connecting bolts 16 installed in the circular arc-shaped long holes 17 facing each other across the center of the ring fix the ring together with the lower plate 14 of the U-shaped support plate 13. ing.

A bearing plate 18 bent at right angles is superimposed on the upper plate 15 of the U-shaped support plate 13.
A connecting bolt 20 connects the U-shaped support plate 13 and the bearing plate 18 through the arc-shaped holes 19 of 8 . As a result, the shelf board 5 is connected to the connecting bolts 12,
By loosening 16, the upper and lower rings 50,5
The ring mounting position can be changed by rotating 1, and the bearing plate 18 is also connected to the U-shaped support plate 13 by the connecting bolt 2.
If you loosen 0, you will be able to rotate it.

A light transmitter 5 is installed inside the rising portion of the bearing plate 18.
Alternatively, the light receiver 7 is attached, and the fifth
In the figure, the light receiver 7 is fixed to the bearing plate 18. The light receiver 7 is mounted inside the bearing plate 18 by a support shaft 21 so that the mounting angle can be changed in the vertical direction.

In addition, the solar cell 8 is provided at the upper end of the monitoring case cover 3. In FIG. 8, a rectangular fixed base 22 is provided on the uppermost shelf board 5 in the monitoring case cover 3, and a battery main body cover 24 that can be opened and closed at one end with a hinge 23 is provided on the fixed base 22. There is. The battery main body cover 24 is attached to the fixing base 22 with a set screw 2 on the opposite side of the hinge 23.
5, and the upper end is formed in a slanted part 24a, and the solar cell 8 is connected to this slanted part 24a.
attached to a.

Further, a terminal box 26 is placed on the fixing base 22, while an interlock switch 28 is attached to the inner wall of the battery main body cover 24 by a support plate 27. The terminal box 26 and the interlock switch 28 have a pressure-resistant and explosion-proof structure, and the interlock switch 28 is particularly connected to the set screw 25.
When the battery main body cover 24 is opened using the hinge 23, electricity from the solar cell 8 is cut off from the solar cell 8 to various devices including the light transmitter and the light receiver.

The solar cell 8 is housed in a battery chamber cover 80 through a reinforced glass 81, and the battery chamber cover 80 is provided with a protective layer 8 that covers the glass surface.
2 and a bird guard bar 83 are provided.

The embodiment has the above-mentioned configuration, and first, an upper ring 50 and a lower ring 51 are attached to both ends of each divided support 4.
are fixed with tightening bolts 10, and then the upper and lower rings 50, 51 are overlapped to form the shelf board 5.
are connected by connecting bolts 12, 16 to connect the upper and lower rings 50, 51. After configuring the multiple shelves 5 in this way, the light transmitter 6 and the light receiver 7 are attached to the bearing plate 18 connected to the U-shaped support plate 13 provided on each shelf 5 by means of the support shaft 21. and attach it.

Next, the light transmitter 6 and light receiver 7 attached to the shelf board 5 are housed in the monitoring case cover 3, and the apparatus is set at a predetermined location.

In order to ensure that the light receiver 7 receives the light beam emitted from the light transmitter 6, the mounting positions of the light transmitter 6 and the light receiver 7 are adjusted. The vertical adjustment is performed by loosening the support shaft 21 of the bearing plate 18, and the horizontal adjustment is performed by loosening the connecting bolt 20 fixing the bearing plate 18. If it is necessary to make a large adjustment in the left-right direction, loosen the connecting bolts 12, 16 that fix the rings 50, 51 and adjust the mounting position together with the rings.

The infrared monitoring device of this invention is installed at intervals of 100 to 200 meters, and transmits infrared light between devices.
It receives light and monitors for intrusion of people or objects.
A solar cell 8 is used to power the light transmitter 6 and the light receiver 7 during the day. This solar cell 8 supplies power to the two devices mentioned above, and also charges the storage battery in the base 1. When the solar cell runs out of charge at night, the controller automatically uses the storage battery as a power source to transmit light. The device 6 and the light receiver 7 can be operated to continue monitoring operations all day long.

(Effect of the invention) The present invention has a storage battery and a controller built into the base provided at the lower end of the monitoring case cover that houses the light transmitter and receiver, and a solar battery installed at the top of the monitoring case cover. In addition, since the mounting position of each device can be adjusted, the monitoring device has the advantage of being easy to assemble and adjust. In particular, since the shelf board on which the light transmitter and light receiver are attached has an assembled structure, the desired number of shelves can be easily obtained, and the shelf board has good adaptability to the installation location.

In addition, this device has an explosion-proof structure, so it can be used safely in areas where there is a risk of explosion, and since it uses solar cells as power source during the day and storage batteries as power source at night, it can be monitored all day long. It has the effect of allowing you to perform actions.

[Brief explanation of the drawing]

Fig. 1 is an overall view of the infrared monitoring device of the present invention, in which A is a front view, B is a side view, C is a sectional view taken along line aa, and Fig. 2 is a sectional view showing details of the inside of the monitoring case cover. , FIG. 3 is a light transmitter, A is a cross-sectional view,
B is a front view, FIG. 4 is a light receiver, A is a sectional view, B is a front view, C is a rear view, FIG. 5 is a front view showing the mounting structure of the light transmitter and light receiver, and FIG. 6 is a front view. The figure is the third
Figure AA sectional view, Figure 7 is Figure 3 BB sectional view,
FIG. 8 shows the details of the inside of the battery main body cover, in which A is a partially cutaway side view and B is a sectional view of the battery chamber. 1... Base, 2... Terminal box, 3... Monitoring case cover, 4... Angle, 5... Shelf board, 6... Light transmitter, 7... Light receiver, 8... Solar cell, 10...Tightening bolt, 11,17...Circular long hole, 12,1
6... Connection bolt, 13... U-shaped support plate, 14
... Lower plate, 15 ... Upper plate, 18 ... Bearing plate, 19
...Arc-shaped hole, 20...Connection bolt, 21...Spindle, 22...Fixing stand, 24...Battery main body cover,
25... Set screw, 26... Terminal box, 27... Support plate, 28... Interlock switch.

Claims (1)

[Scope of utility model registration request] A base housing a storage battery and a controller, a monitoring case cover provided above the base, a plurality of shelves provided within the monitoring case cover, and infrared rays installed alternately on each shelf. A photoelectric monitoring device comprising a light transmitter and a light receiver, and a solar cell provided on the upper part of the monitoring housing cover, and in which the storage battery, the controller, the light transmitter, the light receiver, and the solar cell have an explosion-proof structure. , the above-mentioned shelf board is made by fixing rings to both ends of a plurality of pillars and joining the rings to each other so that the mounting position of each ring can be adjusted in the circumferential direction, and the above-mentioned light transmitter and light receiver is connected to the inner side of a pair of bearing plates provided on the shelf board at positions opposite to the center of the ring so that the mounting position can be adjusted in a direction perpendicular to the axial direction of the support column that connects the shelf board. An explosion-proof infrared monitoring device characterized by: