CN108107236A - A kind of cable duct intelligent acquisition unit protection babinet - Google Patents

Abstract

The invention provides a protection box for an intelligent collection device for a cable trench, which includes a body of the protection box and an intelligent collection device installed in the body; an air intake pipe communicating with the body is provided above the body, and the air intake pipe is used for Transport the gas in the shaft to the main body; the lower end of the box is equipped with an air outlet pipeline communicating with the main body, and the air outlet pipeline is equipped with a water pump; both the air inlet pipeline and the air outlet pipeline are provided with waterproof electromagnetic gas valves; the body also A control unit is included, and the control unit is also connected with a water level detection device, and the water level detection device is used for measuring the water level in the well. The cable ditch intelligent collection device protection box of the present invention can effectively protect the intelligent collection device installed in the body, through the control of the control unit, effectively control the closing of the water pump and the electromagnetic valve, and prevent the accumulation of water from entering the box. The collection device is damaged.

Description

A protective box of a cable trench intelligent collection device

technical field

The invention belongs to the technical field of electric equipment monitoring, and in particular relates to a protection box of an intelligent acquisition device for cable trenches.

Background technique

With the expansion of urbanization and the acceleration of construction, the construction of corresponding urban ancillary facilities has also developed rapidly, and the power cable power supply network has also developed rapidly. The large-scale underground power supply network has a large number of cables. Accident prevention also puts forward higher requirements.

There are many design aspects for the safe operation and management of power cables, which have the characteristics of wide distribution, long distances, and complex ground environments. If it can be fully monitored around the clock, it will undoubtedly be of great significance to ensure power supply and safe production of electricity. Targeted monitoring of the temperature of the cable joint and its surrounding environment, most of the existing collection devices need to collect toxic gas, combustible gas, stagnant water, well cover anti-theft, etc. in the ditch in the well.

However, at present, the protection level of the national cable trench intelligent collection devices is mostly IP67, that is, the collector can be soaked in a short period of time under normal temperature and pressure without causing damage to the collector, but after a long time, it will cause a short circuit fault to the collector. Economic loss, even if the problem is found. Most of the existing cabinets for the protection of intelligent collection devices only play a short-term protection role, and most of the functions are only simple waterproof.

Contents of the invention

In view of this, the present invention aims at proposing a protection box of a cable trench intelligent collection device, to solve the problem that the function of the protection box of the existing cable trench intelligent collection device is simple, and the collection device in the box can only be protected Protect.

In order to achieve the above object, technical solution of the present invention is achieved in that way:

A protection box of an intelligent collection device for a cable trench, comprising a body of the protection box and an intelligent collection device installed in the body, the intelligent collection device is used to collect toxic gas content and temperature and humidity in the shaft;

An air intake pipe communicating with the body is provided above the body, and the air intake pipe is used to transport the gas in the shaft to the body;

The lower end of the box body is equipped with an air outlet pipeline communicating with the body, and the outlet pipeline is equipped with a water pump; both the air inlet pipeline and the air outlet pipeline are provided with waterproof electromagnetic valves;

The body also includes a control unit, which is used to control the closing of the water pump and the waterproof electromagnetic valve; the control unit is also connected to a water level detection device, and the water level detection device is used to measure the water level in the well.

Further, the control unit is connected to an intelligent collection device through an RS232 interface, and the intelligent collection device is used to send temperature and humidity information to the control unit.

Further, the air intake pipe is an S-shaped air intake pipe.

Further, the water level detection device is an ultrasonic water level collector; the output end of the ultrasonic water level collector is connected to the control unit through an analog-to-digital conversion circuit.

Further, the ultrasonic water level collector is arranged at the bottom of the tank.

Further, a buoyancy water level collector is provided at the bottom of the tank, and the buoyancy water level collector is connected to a supercapacitor switch through mechanical transmission, and the supercapacitor switch is connected to a waterproof electromagnetic air valve.

Further, the body is an FRP composite box.

Compared with the prior art, the protection box of the cable trench intelligent collection device according to the present invention has the following advantages:

(1) The cable trench intelligent collection device protection box of the present invention can effectively protect the intelligent collection device installed in the body, and through the control of the control unit, effectively control the closing of the water pump and the electromagnetic valve, when the ultrasonic water level collector When the collected water level exceeds a certain height, the control unit controls the solenoid valve to close to prevent the accumulated water from entering the box and causing damage to the intelligent collection device; the air outlet pipe is also equipped with a water pump to remove condensation inside the waterproof box.

(2) The protection box of the cable trench intelligent collection device of the present invention has a special design for the air intake pipe, and adopts an S-shaped air inlet to ensure that the dust in the shaft will not easily enter the waterproof box; The body is made of FRP composite material, which has the advantages of light weight and hardness, non-conductivity, high mechanical strength, corrosion resistance and aging resistance.

(3) The protection box of the cable trench intelligent collection device of the present invention is provided with a buoyancy water level collector. When the power supply in the body is cut off, the buoyancy water level collector can collide with the supercapacitor switch through mechanical transmission, and utilize the energy of the supercapacitor To close the solenoid valve, it plays the role of secondary protection; after the intelligent waterproof box is powered on again, when the ultrasonic water level collector and buoyancy collector are in normal state, the system will reset and release the protection state, ensuring the safety and reliability of the system .

Description of drawings

The drawings constituting a part of the present invention are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 is a schematic structural diagram of the protection box of the cable trench intelligent collection device according to the embodiment of the present invention.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention based on specific situations.

The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in Figure 1, a cable trench intelligent collection device protection box includes a protection box body and an intelligent collection device installed in the body, and the intelligent collection device is used to collect toxic gas content and temperature and humidity in the shaft;

An air intake pipe communicating with the body is provided above the body, and the air intake pipe is used to transport the gas in the shaft to the body;

The lower end of the box body is equipped with an air outlet pipeline communicating with the body, and the outlet pipeline is equipped with a water pump; both the air inlet pipeline and the air outlet pipeline are provided with waterproof electromagnetic valves;

The body also includes a control unit, the control unit is a single-chip microcomputer, and the control unit is used to control the closing of the water pump and the waterproof electromagnetic valve; the control unit is also connected to a water level detection device, and the water level detection device is used to measure the water level in the well. water level.

The control unit is connected to an intelligent collection device through an RS232 interface, and the intelligent collection device is used to send temperature and humidity information to the control unit. When the control unit receives that the humidity or temperature in the collection box of the intelligent collection device exceeds a certain threshold, the control unit controls the water pump to turn on to remove the condensation inside.

The intake pipe is an S-shaped intake pipe. It ensures that the dust in the well will not easily enter the waterproof box.

The water level detection device is an ultrasonic water level collector; the ultrasonic water level collector is arranged at the bottom of the box; the output end of the ultrasonic water level collector is connected to the control unit through an analog-to-digital conversion circuit. When the water level rises, the ultrasonic water level collector receives the water level signal, and when the water level reaches a certain height (can be set) close the inlet pipe and outlet pipe of the waterproof box, and the waterproof box enters the protection mode, protecting the internal intelligent collection device. Safety.

A buoyancy water level collector is also provided at the bottom of the box, and the buoyancy water level collector is connected to a supercapacitor switch through mechanical transmission, and the supercapacitor switch is connected to a waterproof electromagnetic air valve. When the power supply in the main body is cut off, the buoyancy water level collector can hit the super capacitor switch through mechanical transmission, and use the energy of the super capacitor to close the solenoid valve, which plays a role of secondary protection; after the intelligent waterproof box is powered on again, When both the ultrasonic water level collector and the buoyancy collector are in a normal state, the system will reset and release the protection state, ensuring the safety and reliability of the system.

The body is an FRP composite material box. FRP composite materials are light and hard, non-conductive, high mechanical strength, corrosion-resistant, and anti-aging.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (7)

1. a kind of cable duct intelligent acquisition unit protection babinet, it is characterised in that：Including guard box body and in body Intelligent acquisition device, the intelligent acquisition device is used to gather toxic gas content and humiture in hoistway；

The admission line connected with body is equipped with above the body, the admission line is used to convey in hoistway into body Gas；

The outlet pipe that the babinet lower end installation is connected with body, the outlet pipe install water pump；The admission line and Waterproof electromagnetic gas valve is designed on outlet pipe；

The body further includes control unit, and described control unit is used to control the closure of water pump and waterproof electromagnetic gas valve；It is described Control unit is also connected with water-level detecting device, and the water-level detecting device is used to measure the water level in hoistway.

2. cable duct intelligent acquisition unit protection babinet according to claim 1, it is characterised in that：Described control unit is led to RS232 interface connection intelligent acquisition device is crossed, the intelligent acquisition device is used to send humiture information to control unit.

3. cable duct intelligent acquisition unit protection babinet according to claim 1, it is characterised in that：The admission line is S type air intake ducts.

4. cable duct intelligent acquisition unit protection babinet according to claim 1, it is characterised in that：The water level detecting dress It is set to ultrasonic water level collector；The output terminal of the ultrasonic water level collector connects control list by analog to digital conversion circuit Member.

5. cable duct intelligent acquisition unit protection babinet according to claim 4, it is characterised in that：The ultrasonic water level Collector is arranged on the bottom of babinet.

6. cable duct intelligent acquisition unit protection babinet according to claim 1, it is characterised in that：The bottom of box is also Equipped with buoyancy water level collector, the buoyancy water level collector connects super capacitor by machine driving and switchs, the super electricity Hold switch connection waterproof electromagnetic gas valve.

7. cable duct intelligent acquisition unit protection babinet according to claim 1, it is characterised in that：The body is FRP Composite material casing.