CN207069533U - A kind of cable channel cover plate device with water detection function - Google Patents

Abstract

The utility model discloses a kind of cable channel cover plate device with water detection function, popped one's head in including cable channel cover plate, acoustic-optic alarm and water detection, the cable channel cover plate bottom surface is provided with acousto-optic cell, the acoustic-optic alarm is arranged in acousto-optic cell, the water detection probe is connected by wire and acoustic-optic alarm control, and the acousto-optic cell is provided with the adjusting means of regulation water detection probe detection depth.Cable channel cover plate uses transparent toughened glass plate, and shell uses stainless steel, and unlatching cover plate can is not had to when realizing and making an inspection tour and easily checks whether there is ponding in cable duct very much, whether the closure of fireproof blocking point is good.Acousto-optic cell is arranged on below transparent cover plate for cable duct, realizes that cable duct internal water accumulation arrives certain altitude, alarm can be alarmed in acousto-optic cell, and duty personnel just can have found ditch internal water accumulation in time by alarm sound or lighting effects standing.

Description

A cable trench cover device with water accumulation detection function

technical field

The utility model relates to the field of electric power engineering, in particular to a cable trench cover device with the function of detecting accumulated water.

Background technique

Cities in my country generally use underground cable transmission. High-voltage power cables and secondary cables enter substations and high-voltage equipment rooms through cable trenches. Due to the tight cable channels and early construction time, dense cable trenches are mostly distributed in substations. Short-term waterlogging, poor drainage channels, uneven terrain and other reasons will lead to severe water accumulation in the cable trench in the substation. If the high-voltage and weak current cables are soaked in the water for a long time, it is easy to damage the insulation of the cable itself and cause serious grounding faults. , or affect the protective action. If the accumulated water is too deep and enters the high-voltage equipment, it will cause serious grounding of the high-voltage equipment, affect external power supply, and cause a combustion accident.

Fireproof seals will be installed at certain distances in the cable trench to prevent the expansion of the scope of accidents when the cable trench fires. The existing fireproof seals have problems such as short life, easy damage, and poor sealing, which reduces the fireproof performance of the seal. , while increasing the risk of small animals such as mice entering the equipment area.

Therefore, the inspection of water accumulation in the cable trench and fire prevention and sealing is particularly important to ensure the safe and stable operation of the substation. However, since the cable trench in the substation is a closed space, it is difficult to carry out inspections such as water accumulation in the cable trench and fire prevention and sealing. At present, the operation and maintenance personnel of the substation can only manually open the cable trench cover to check the situation in the trench. At present, the cover plates of cable trenches in various substations are particularly heavy, and the manpower time consumption is huge when opening and closing the cover plates, and it is difficult to observe the situation in the cable trenches. At the same time, the ability to detect water accumulation in the cable shallow ditch in the substation is backward, there is no corresponding early warning and alarm measures, the inspection workload is heavy, and the water accumulation is not easy to find. Great energy.

Utility model content

The purpose of this utility model is to overcome the deficiencies of the prior art. The purpose is to provide a cable trench cover device with the function of detecting water accumulation, which solves the problem that the cable trench adopts an opaque closed structure, and it is difficult to inspect the circuit conditions in the cable trench. Water is also not easy to be found, which leads to the problem that the circuit is damaged.

The utility model is realized through the following technical solutions:

A cable trench cover device with a water accumulation detection function, comprising a cable trench cover, an acousto-optic alarm device and a water accumulation detection probe, the bottom surface of the cable trench cover is provided with an acousto-optic box, and the acousto-optic alarm device is set In the acousto-optic box, the water accumulation detection probe is controlled and connected to the acousto-optic alarm device through wires, and the acousto-optic box is provided with an adjustment device for adjusting the detection depth of the water accumulation detection probe.

The utility model is a cable trench cover device with the function of detecting accumulated water. The cable trench cover is made of transparent toughened glass plate, and the outer shell is made of stainless steel. It is possible to easily check whether there is accumulation in the cable trench without opening the cover plate during inspection. Water, whether the fire blocking point is well blocked. Install the acousto-optic box under the transparent cable trench cover to realize the water accumulation in the cable trench to a certain height, and the alarm in the acousto-optic box will give an alarm, and the on-duty personnel at the station can find out the accumulated water in the trench in time through the alarm sound or light effect. water.

Further, the adjusting device includes an adjusting rod, an upper fixing buckle and a lower fixing buckle, the upper fixing buckle is arranged on the side plate of the acousto-optic box, the lower fixing buckle is arranged on the housing of the water accumulation detection probe, and the adjusting The upper end of the rod is inserted in the upper fixing buckle and clamped and fixed by the adjusting screw, and the lower end of the adjusting rod is inserted in the lower fixing buckle and is also clamped and fixed by the adjusting screw.

Further, the upper fixing buckle is provided with an adjustment rod guide buckle on the side plate of the acousto-optic box corresponding to the lower side or the upper side. The purpose of setting the adjusting rod guide buckle 10 is to prevent the adjusting rod 6 from being tilted by an external force and affect the setting height of the accumulated water detection probe 3 .

Further, the outer frame of the cable trench cover plate is a stainless steel plate structure, and the inner frame is a transparent tempered glass plate.

Further, the mounting base of the sound and light alarm device is provided with an inner magnet block, and the sound and light alarm device is fixedly installed by disposing an outer magnet block that attracts the inner magnet block outside the sound and light box.

Further, the acousto-optic box is provided with a drawing door, and the upper and lower sides of the drawing door are provided with a drawing chute.

Further, the lower part of the acousto-optic box is provided with a wire hoop for binding wires.

Further, the sound and light alarm device adopts XZS-110A flashing alarm.

Further, the water accumulation detection probe adopts the ManHua/LLS-01 water level sensing probe.

Further, the acousto-optic box is pasted under the cable trench cover.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. The utility model is a cable trench cover device with water accumulation detection function. The cable trench cover is made of transparent toughened glass plate, and the outer shell is made of stainless steel. It is easy to check whether the cable trench is clean or not without opening the cover plate during inspection. If there is accumulated water, check whether the fireproof sealing point is well sealed.

2. The utility model is a cable trench cover device with water accumulation detection function. The acousto-optic box is installed under the transparent cable trench cover to realize water accumulation in the cable trench to a certain height, and the alarm in the acousto-optic box will be activated. Alarm, the on-duty personnel at the station can find water in the ditch in time through the alarm sound or light effect.

Description of drawings

The drawings described here are used to provide a further understanding of the embodiments of the utility model, constitute a part of the application, and do not constitute a limitation to the embodiments of the utility model. In the attached picture:

Fig. 1 is a structural schematic diagram of a cable trench cover device with water accumulation detection function of the utility model;

Fig. 2 is the structural representation of the adjustment device of the present invention;

Marks and corresponding parts names in the attached drawings:

1-cable trench cover, 2-sound and light alarm device, 3-water accumulation detection probe, 4-sound and light box, 5-adjustment device,

6-adjusting rod, 7-upper fixing buckle, 8-lower fixing buckle, 9-adjusting screw, 10-adjusting rod guide buckle,

11-outer frame, 12-transparent tempered glass plate, 13-inner magnet block, 14-outer magnet block, 15-drawing door,

16-drawing chute, 17-conductor, 18-coil hoop, 19-cable trench side wall.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the examples and accompanying drawings. The schematic implementation of the utility model and its description are only used to explain the utility model Novelty, not as a limitation to the utility model.

Example 1

As shown in Figure 1, the utility model is a cable trench cover device with water accumulation detection function, which includes a cable trench cover 1, an acousto-optic alarm device 2 and a water accumulation detection probe 3, and the bottom surface of the cable trench cover 1 is An acousto-optic box 4 is provided, and the acousto-optic box 4 is pasted under the cable trench cover plate 1 . When using and installing, the cable trench cover plate 1 is covered on the cable trench side walls 19 on both sides of the cable trench, and the sound and light alarm device 2 is arranged in the sound and light box 4, and the sound and light box 4 uses light weight, relatively high hardness. Large heat-resistant plexiglass, the side can be pushed and pulled, which is convenient for battery replacement of the alarm device and maintenance of the alarm. The water accumulation detection probe 3 is controlled and connected to the sound and light alarm device 2 through a wire 17 , and the sound and light box 4 is provided with an adjustment device 5 for adjusting the detection depth of the accumulation water detection probe 3 . The outer frame 11 of the cable trench cover plate 1 is a stainless steel plate structure, and the inner frame 11 is a transparent tempered glass plate 12 . The length, width and thickness of the cable trench cover plate 1 are based on actual site conditions. The stainless steel frame is 6 cm wide on the ground side and 10 cm wide on the cable trench side. The transparent panel is made of toughened glass, which has high mechanical strength, high transparency, and strong impact resistance; the frame of the transparent panel is made of stainless steel, which has high mechanical strength and can withstand heavy objects without deformation and is not easy to rust. The 0.3 cm thick stainless steel bar, when bearing a load of 200kg, there is almost no deformation.

When water accumulates in the cable trench to a certain height, the electric circuit of the water accumulation detection sensor device is turned on, and the alarm in the sound and light box will give an alarm.

The water accumulation detection sensing device is composed of an audible and visual alarm device 2 and a water accumulation detection probe 3 . When the water level is higher than the probe, a loop is formed through water accumulation induction, and the device will alarm. The device uses a water-sensitive resistor, and the alarm will only be issued when there is flowing water on the plane where the four probes are located. It uses a built-in battery and does not require an external power supply. The battery life in standby mode is more than two years.

The cable trench in the substation is a closed space. It is difficult to carry out inspections such as water accumulation in the cable trench and fire prevention and sealing. At present, the operation and maintenance personnel of the substation can only manually open the cable trench cover to check the situation in the trench. At present, the cover plates of cable trenches in various substations are particularly heavy, and the manpower time consumption is huge when opening and closing the cover plates, and it is difficult to observe the situation in the cable trenches. At the same time, the ability to detect water in shallow trenches in substations is backward, and there are no corresponding early warning and alarm measures. The inspection workload is heavy, and water accumulation is not easy to find, burying a huge hidden danger for the safe operation of equipment. It takes a lot of time and energy to accumulate water in the ditch. The present invention tries to design a transparent cable trench cover plate with the function of detecting water accumulation, which can make the situation in the cable trench intuitively visible, and can realize an alarm when the water accumulation in the cable trench reaches a certain height.

The design of this invention utilizes the good mechanical strength, transparency and impact resistance of tempered glass to replace the cable trench cover plate at the original fireproof sealing point. Whether the blocking condition is good. At the same time, make an acousto-optic box for water accumulation detection, and fix the acousto-optic box under the transparent cable trench cover. The box is equipped with an acousto-optic alarm device, which is connected to the water accumulation detection probe. When the water accumulation in the cable trench reaches a certain height, the water accumulation detection The electrical circuit of the sensing device is turned on, and the alarm in the sound and light box will give an alarm, and the on-duty personnel at the station can find water in the ditch in time through the alarm sound or light effect, and report to the substation on-duty officer, without the need for the substation on-duty staff to come to the station frequently Carry out waterlogging special patrol.

The utility model is a cable trench cover device with the function of detecting accumulated water. The cable trench cover is made of transparent toughened glass plate, and the outer shell is made of stainless steel. It is possible to easily check whether there is accumulation in the cable trench without opening the cover plate during inspection. Water, whether the fire blocking point is well blocked. Install the acousto-optic box under the transparent cable trench cover to realize the water accumulation in the cable trench to a certain height, and the alarm in the acousto-optic box will give an alarm, and the on-duty personnel at the station can find out the accumulated water in the trench in time through the alarm sound or light effect. water.

Example 2

As shown in Figure 1-2, the utility model is a cable trench cover device with water accumulation detection function. On the basis of Embodiment 1, the adjustment device 5 includes an adjustment rod 6, an upper fixing buckle 7 and a lower fixing Buckle 8, the upper fixing buckle 7 is arranged on the side plate of the acousto-optic box 4, the lower fixing buckle 8 is arranged on the shell of the water accumulation detection probe 3, and the upper end of the adjustment rod 6 is inserted in the upper fixing buckle 7 to pass through The adjusting screw 9 is clamped and fixed, and the lower end of the adjusting rod 6 is inserted in the lower fixing buckle 8 and is also clamped and fixed by the adjusting screw 9 . The adjusting device 5 is used to suspend the detection probe for accumulated water and adjust the height of the probe.

The upper fixing buckle 7 is provided with an adjusting rod guide buckle 10 on the side plate of the acousto-optic box 4 corresponding to the bottom or the top. The purpose of setting the adjusting rod guide buckle 10 is to prevent the adjusting rod 6 from being tilted by an external force and affect the setting height of the accumulated water detection probe 3 .

Example 3

As shown in Figure 1-2, the utility model is a cable trench cover device with water accumulation detection function. Outside the acousto-optic box 4, the acousto-optic alarm device 2 is fixedly installed by disposing an outer magnet block 14 that is mutually attracted to the inner magnet block 13.

The acousto-optic box 4 is provided with a drawing door 15, and the drawing door 15 is provided with a drawing chute 16 above and below. The lower part of the acousto-optic box 4 is provided with a take-up hoop 18 for binding the wires 17 . Sound and light alarm device 2 adopts XZS-110A flashing alarm. The XZS-110A flashing alarm is a disc assembly structure with a light plate display. The input signal is electric contact type, and it is used together with various electric contact control and testing instruments in the automatic control system to monitor the changes of various parameters in the production process. If a parameter exceeds the limit, the XZS-110A alarm will generate an obvious flashing alarm signal to attract the attention of the operator and ensure the safety of the production process. XZS-110A flash alarm has better reliability, insulation, strong anti-interference ability, high light efficiency and long life. Water accumulation detection probe 3 adopts ManHua/LLS-01 model water level sensing probe.

Since the cable trench of the substation is covered with a heavy cover plate, it is not intuitive and unclear when inspecting. The inspection of shallow cable trenches in the substation has always been a weak link in the inspection and maintenance of the substation, as shown in Figure 1. At the same time, short-term waterlogging, poor drainage channels, uneven terrain and other reasons will lead to serious water accumulation in the cable ditch in the substation. If the water in the ditch is not cleared in time, the high-voltage and weak-current cables will be soaked in the water for a long time, and it will be easy to Destroying the insulation of the cable itself will cause a serious grounding fault. The fireproof seal has problems such as short life, easy damage, and poor seal. Risk of entering equipment area.

The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present utility model in detail. Within the protection scope of the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims (10)

1. a kind of cable channel cover plate device with water detection function, including cable channel cover plate (1), acoustic-optic alarm (2) (3) are popped one's head in water detection, it is characterised in that：Cable channel cover plate (1) bottom surface is provided with acousto-optic cell (4), the sound and light alarm Device (2) is arranged in acousto-optic cell (4), and the water detection probe (3) is controlled by wire (17) and acoustic-optic alarm (2) Connection, the acousto-optic cell (4) are provided with the adjusting means (5) of regulation water detection probe (3) investigation depth.

A kind of 2. cable channel cover plate device with water detection function according to claim 1, it is characterised in that：It is described Adjusting means (5) includes adjusting rod (6), upper clip (7) and lower clip (8), and fixed button (7) is arranged on acousto-optic cell (4) on side plate, the lower clip (8) is arranged on water detection probe (3) shell, and adjusting rod (6) upper end is plugged in It is fixedly clamped in upper clip (7) by adjusting screw (9), adjusting rod (6) lower end, which is plugged in lower clip (8), also to be led to Screw (9) is overregulated to be fixedly clamped.

A kind of 3. cable channel cover plate device with water detection function according to claim 2, it is characterised in that：It is described Acousto-optic cell (4) side plate of the corresponding lower section of upper clip (7) or corresponding top is provided with adjusting rod and is oriented to button (10).

A kind of 4. cable channel cover plate device with water detection function according to claim 1, it is characterised in that：It is described The housing (11) of cable channel cover plate (1) is stainless steel plate structure, is transparent toughened glass plate (12) in the housing (11).

A kind of 5. cable channel cover plate device with water detection function according to claim 1, it is characterised in that：It is described The mounting seat of acoustic-optic alarm (2) is provided with internal magnet block (13), and the acousto-optic cell (4) is outside by configuring and internal magnet block (13) acoustic-optic alarm (2) is fixedly mounted in the external magnet block (14) to attract each other.

A kind of 6. cable channel cover plate device with water detection function according to claim 1, it is characterised in that：It is described Acousto-optic cell (4) is provided with sliding door (15), and the sliding door (15) is equipped with pull chute (16) up and down.

A kind of 7. cable channel cover plate device with water detection function according to claim 1, it is characterised in that：It is described Acousto-optic cell (4) bottom is provided with the take-up hoop (18) for colligation wire (17).

A kind of 8. cable channel cover plate device with water detection function according to claim 1, it is characterised in that：It is described Acoustic-optic alarm (2) uses XZS-110A type flash alarms.

A kind of 9. cable channel cover plate device with water detection function according to claim 1, it is characterised in that：It is described Water detection probe (3) uses ManHua/LLS-01 model water level inductive probes.

A kind of 10. cable channel cover plate device with water detection function according to claim 1, it is characterised in that：Institute State acousto-optic cell (4) and be pasted onto cable channel cover plate (1) below.