CN224004453U - Multifunctional early warning intelligent monitoring device for cable pit of transformer substation - Google Patents
Multifunctional early warning intelligent monitoring device for cable pit of transformer substationInfo
- Publication number
- CN224004453U CN224004453U CN202520336193.1U CN202520336193U CN224004453U CN 224004453 U CN224004453 U CN 224004453U CN 202520336193 U CN202520336193 U CN 202520336193U CN 224004453 U CN224004453 U CN 224004453U
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- liquid level
- main control
- level sensor
- sensor
- cable pit
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Abstract
本实用新型公开了一种变电站电缆沟多功能预警智能监测装置，包括主控芯片、传感器、通信模块、控制模块、继电器、排险设备、变压器和电源；所述通信模块和控制模块和变压器分别与主控芯片连接；所述继电器分别与排险设备和控制模块连接；所述电源分别与继电器和变压器连接；所述传感器包括液位传感器、超声波传感器、温湿度传感器和可燃气体传感器；所述液位传感器、超声波传感器、温湿度传感器和可燃气体传感器分别与主控芯片连接。本实用新型能实现对电缆沟内水位、温湿度、可燃气体浓度和动物活动的监测和快速预警，降低电缆沟的运维成本与风险，保障电缆沟稳定运行及电力系统安全可靠。
This utility model discloses a multifunctional early warning intelligent monitoring device for substation cable trenches, including a main control chip, sensors, a communication module, a control module, relays, hazard mitigation equipment, a transformer, and a power supply. The communication module, control module, and transformer are respectively connected to the main control chip. The relays are respectively connected to the hazard mitigation equipment and the control module. The power supply is respectively connected to the relays and the transformer. The sensors include a liquid level sensor, an ultrasonic sensor, a temperature and humidity sensor, and a combustible gas sensor; these sensors are respectively connected to the main control chip. This utility model can monitor and quickly warn of water levels, temperature and humidity, combustible gas concentrations, and animal activity within the cable trench, reducing the operation and maintenance costs and risks of the cable trench, and ensuring the stable operation of the cable trench and the safety and reliability of the power system.
Description
Technical Field
The utility model relates to the technical field of cable trench monitoring, in particular to a multifunctional early warning intelligent monitoring device for a cable trench of a transformer substation.
Background
The cable trench is extremely important in a transformer substation system, a large amount of cables are placed in the cable trench of the transformer substation for transmitting electric energy, the cable trench can accumulate water when the water level is too high, the cables can be soaked in water to influence the service life of the cables, drainage trenches are arranged on the periphery of the cable trench generally, some of the cables are connected with civil drainage trenches, the space of the cable trench is narrow, the underground environment is complex, combustible gas can be generated after a long time, explosion is very likely to happen when the cables meet open fire, the cable trench is located in an outdoor environment, a cable trench cover plate is difficult to resist the influence of external weather, the cable trench is in a closed space, the service life of the cables is directly influenced by temperature and humidity, small animals often invade the transformer substation, and the small animals can drill into the cable trench to bite the cable or nest in the cable trench to have bad influence on electric power transmission.
At present, the technology of the intelligent monitoring system of the cable duct of the transformer substation is remarkably developed, and the system realizes real-time monitoring, fault early warning and intelligent processing of the environment and the equipment state in the cable duct by integrating various sensors and communication technologies, so that the safety and the reliability of a power system are improved. However, the current intelligent monitoring system realizes remote visual monitoring of environmental parameters through an Internet of things sensor, but an obvious short plate still exists on a functional closed loop, lacks linkage control capability of terminal equipment such as a drainage pump, a ventilation device and the like, still needs to rely on manual field treatment in the face of water level overrun or gas concentration abnormality, and meanwhile, mainly aims at passive monitoring in prevention and treatment of biological invasion, so that operation and maintenance work still needs to be invested in a large amount of manpower to carry out periodic inspection and emergency operation, thereby not only reducing timeliness of risk treatment, but also being difficult to construct an omnibearing guarantee system for covering environmental regulation, safety protection and equipment operation and maintenance on a cable trench.
Disclosure of utility model
The utility model aims to provide a multifunctional early warning intelligent monitoring device for a cable pit of a transformer substation, which can realize monitoring and rapid early warning of water level, temperature and humidity, combustible gas concentration and animal activity in the cable pit, reduce operation and maintenance cost and risk of the cable pit, and ensure stable operation of the cable pit and safe and reliable power system. The specific technical scheme is as follows:
A multifunctional early warning intelligent monitoring device for a transformer substation cable trench comprises a main control chip, a sensor, a communication module, a control module, a relay, danger eliminating equipment, a transformer and a power supply;
The communication module, the control module and the transformer are respectively connected with the main control chip, the relay is respectively connected with the danger eliminating equipment and the control module, the power supply is respectively connected with the relay and the transformer, the sensor comprises a liquid level sensor, an ultrasonic sensor, a temperature and humidity sensor and a combustible gas sensor, and the liquid level sensor, the ultrasonic sensor, the temperature and humidity sensor and the combustible gas sensor are respectively connected with the main control chip.
The cable trench cover is characterized by further comprising a main control box, wherein the main control box is arranged on the bottom surface of the cable trench cover plate, the ultrasonic sensor is arranged right below a box body of the main control box, and the temperature and humidity sensor and the combustible gas sensor are arranged on the right side of the main control box.
The liquid level sensor comprises a low liquid level sensor and a high liquid level sensor, the liquid level sensor fixing bolt is arranged on the left side of the main control box, one end of the liquid level sensor fixing bolt is connected with the bottom surface of the cable trench cover plate, the other end of the liquid level sensor fixing bolt extends downwards, the low liquid level sensor and the high liquid level sensor are arranged below the liquid level sensor fixing bolt, and the height of the high liquid level sensor is higher than that of the low liquid level sensor.
Preferably, the danger eliminating device comprises a water pump, a rat repelling device and an exhaust device, wherein the water pump is arranged at the bottom of the cable duct, the rat repelling device is arranged at the bottom surface of the cable duct cover plate, and the exhaust device is arranged on the cable duct cover plate.
Preferably, the exhaust device comprises an exhaust fan and an exhaust cap, wherein the exhaust fan is arranged on the bottom surface of the cable trench cover plate, and the exhaust cap is arranged on the top surface of the cable trench cover plate.
Preferably, the lower end of the high liquid level sensor is flush with the height of the power transmission cable arranged at the lowest end inside the cable pit.
Preferably, the main control box is a rectangular box body, and the long side of the main control box is parallel to the inner wall of the cable trench.
Preferably, the main control chip is a singlechip, and the control module is a PLC controller.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, by arranging the main control chip, the liquid level sensor, the ultrasonic sensor, the temperature and humidity sensor and the combustible gas sensor, key parameters such as the liquid level, the animal activity, the temperature and humidity, the combustible gas concentration and the like in the cable pit can be monitored in real time, various potential problems in the cable pit such as water accumulation, combustible gas leakage, temperature and humidity abnormality, small animal invasion and the like can be found in time, the occurrence of accidents can be prevented in advance, and the normal operation of the cable and the stability of a power system can be ensured. And by controlling the opening and closing of the drainage pump, the mouse repeller and the ventilation equipment, the operations of drainage, ventilation, mouse repellence and the like are timely carried out, and an early warning is sent to staff through the communication module, so that the manual site treatment is not needed, the timeliness of handling the emergency is greatly improved, the risk of damage of the cable due to water accumulation or flammable gas accumulation is reduced, and the safety of the power system is enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an installation elevation of the utility model inside a raceway.
Fig. 3 is a side view of the installation of the interior of the cable trench of the present utility model.
Fig. 4 is a schematic structural view of the exhaust cap of the present utility model.
The main reference numerals illustrate:
1-low liquid level sensor, 2-high liquid level warning line, 3-high liquid level sensor, 4-liquid level sensor dead bolt, 5-ultrasonic sensor, 6-master control box, 7-temperature and humidity sensor, 8-combustible gas sensor, 9-power transmission cable, 10-angle steel bracket, 11-water pump, 12-drain pipe, 13-cable trench cover, 14-cable trench, 15-mouse expeller, 16-exhaust fan, 17-exhaust cap and 18-exhaust hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inside", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The terms "first," "second," "third," and the like, if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediary, or communicate between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
Example 1
The multifunctional early warning intelligent monitoring device for the cable pit of the transformer substation comprises a main control chip, a sensor, a communication module, a control module, a relay, danger eliminating equipment, a transformer and a power supply;
The communication module, the control module and the transformer are respectively connected with the main control chip, the relay is respectively connected with the danger eliminating equipment and the control module, the power supply is respectively connected with the relay and the transformer, the sensor comprises a liquid level sensor, an ultrasonic sensor, a temperature and humidity sensor and a combustible gas sensor, and the liquid level sensor, the ultrasonic sensor, the temperature and humidity sensor and the combustible gas sensor are respectively connected with the main control chip.
The working principle in this embodiment is described in detail below to make the person skilled in the art more aware of the present utility model:
The main control box is used for installing main control chip, communication module, control module, relay, transformer and power, plays the guard action, and main control chip, communication module, control module, relay, transformer and power are installed in the inside of main control box. The temperature and humidity sensor and the combustible gas sensor are respectively connected with a main control chip of the main control box through a wired transmission line, and transmit the acquired temperature, humidity and combustible gas concentration information in the cable pit to the main control chip of the main control box, and the main control chip analyzes according to the acquired information. The power module is used for providing power for the whole device. The control module and the relay are used for controlling the on-off of the danger eliminating equipment. The ultrasonic super sensor is used for detecting animal activity information in the cable trench. When the liquid level sensor, the ultrasonic sensor, the temperature and humidity sensor and the flammable gas sensor monitor abnormal information, an instruction is sent to the control module from the main control chip, and the control module controls the on-off of the risk elimination equipment through the relay to ventilate, drain or drive mice on the cable trench.
Example 2
The embodiment is different from embodiment 1 in that the device further comprises a main control box, the main control box is arranged on the bottom surface of the cable trench cover plate, the ultrasonic sensor is arranged right below the box body of the main control box, and the temperature and humidity sensor and the combustible gas sensor are arranged on the right side of the main control box.
Install the ultrasonic sensor under the main control box, to the transmission ultrasonic signal of surrounding space, when mouse activity in its monitoring range, the ultrasonic wave bumps into the mouse health and can produce the reflection, and after the sensor received the ultrasonic signal that the reflection was come back, according to characteristic information such as the reflection time of signal, intensity, carry out analysis judgement to the activity condition of mouse to realize the monitoring to mouse activity.
The temperature and humidity sensor arranged on the right side of the main control box can accurately sense the air temperature and humidity in the cable duct in real time. The proper temperature and humidity environment is critical to the normal and stable operation of the cable, and the temperature and humidity sensor transmits collected data in real time. And the combustible gas sensor is arranged on the right side of the main control box and used for monitoring the concentration of combustible gas in the cable trench and transmitting signals.
The working principle of this embodiment is the same as that of embodiment 1.
Example 3
The embodiment is different from embodiment 2 in that the device further comprises a liquid level sensor fixing bolt, wherein the liquid level sensor comprises a low liquid level sensor and a high liquid level sensor, the liquid level sensor fixing bolt is arranged on the left side of the main control box, one end of the liquid level sensor fixing bolt is connected with the bottom surface of the cable trench cover plate, the other end of the liquid level sensor fixing bolt extends downwards, the low liquid level sensor and the high liquid level sensor are arranged below the liquid level sensor fixing bolt, and the height of the high liquid level sensor is higher than that of the low liquid level sensor.
The low liquid level sensor and the high liquid level sensor are connected with the main control chip in a wired mode. The lower left side of the main control box is provided with a liquid level sensor fixing bolt which is used for fixing wires of a low liquid level sensor and a high liquid level sensor, the high liquid level sensor and the low liquid level sensor are respectively located at upper and lower appointed positions in a cable duct of a transformer substation, the lower end of the liquid level sensor fixing bolt is provided with a hanging ring, the middle part of the wire is fixed on the hanging ring, the upper end of the wire is connected with a main control chip, the lower end of the wire is connected with the low liquid level sensor or the high liquid level sensor, and liquid level information collected in the cable duct is transmitted to the main control chip of the main control box for analysis and judgment.
The working principle of this embodiment is the same as that of embodiment 1.
Example 4
This embodiment differs from embodiment 3 in that the risk-removing device includes a water pump installed at the bottom of the cable trench, a mouse-expelling device installed at the bottom surface of the cable trench cover, and an air-exhausting device installed on the cable trench cover.
The water pump is the water pump, is located cable pit bottom, and the water pump is connected with relay module, and control module control water pump opens and close, and when the water level reached above the low liquid level, low liquid level sensor received data, control module opened low power water pumping through relay module control water pump start, when the water level reached high liquid level warning line, opened maximum power water pumping, can control the efficiency of drainage better like this and avoid because of soaking the adverse effect that causes the cable quality for a long time.
The mouse repeller is an ultrasonic mouse repeller, when the ultrasonic sensor detects animal activity information, the main control chip sends an instruction to the control module, the control module provides electric energy for the mouse repeller through the control relay, the mouse repeller works to expel animals in the cable pit, and adverse effects of damage to the cable caused by animal activity are avoided.
The working principle of this embodiment is the same as that of embodiment 1.
Example 5
This embodiment differs from embodiment 4 in that the exhaust apparatus includes an exhaust fan mounted on the bottom surface of the cable trench cover plate and an exhaust cap mounted on the top surface of the cable trench cover plate.
The exhaust fan is arranged right below the exhaust cap and connected with the relay, the exhaust fan and the exhaust cap are arranged at the positions, the cable trench cover plate is provided with an opening, and exhaust gas of the exhaust fan is exhausted through the exhaust cap. The exhaust fan is used for exhausting, cooling and dehumidifying the cable trench, so that the probability of explosion accidents caused by overhigh concentration of combustible gas is reduced, and adverse effects on the quality of the cable caused by temperature and humidity are avoided. The exhaust cap is a ventilation exhaust cap for preventing backflow, and the side surface of the exhaust cap is provided with an exhaust hole.
The working principle of this embodiment is the same as that of embodiment 1.
Example 6
This embodiment differs from embodiment 5 in that the lower end of the high level sensor is level with the height of the power transmission cable provided at the lowermost end inside the raceway. The high level sensor lower extreme and the inside lower extreme of cable pit are high parallel and level, regard as high level warning line, can monitor the water level more accurately, when the water level reached the inside lower extreme of cable pit the power cable place height, can soak the power cable, high level sensor and water level contact, detect water level signal, protect cable safety better.
The working principle of this embodiment is the same as that of embodiment 1.
Example 7
The embodiment is different from embodiment 6 in that the main control box is a rectangular box body, and the long side of the main control box is parallel to the inner wall of the cable trench. The main control box is a rectangular box body, the long side of the main control box is parallel to the inner wall of the cable trench, the main control box is installed to be more attached to the structure of the cable trench, space is saved, and installation and maintenance are facilitated.
The working principle of this embodiment is the same as that of embodiment 1.
Example 8
The embodiment is different from embodiment 7 in that the main control chip is a single chip microcomputer, and the control module is a PLC controller. The master control chip is an STM32 singlechip, has the advantages of low cost, high reliability, small volume and the like, and the control module is a PLC controller, has the characteristics of flexible programming, strong anti-interference capability and the like, and can better meet the control requirement of the system by combining the master control chip with the PLC controller, and improve the stability and the expandability of the system.
The working principle of this embodiment is the same as that of embodiment 1.
In summary, the main control chip, the liquid level sensor, the ultrasonic sensor, the temperature and humidity sensor and the combustible gas sensor are arranged, so that key parameters such as the liquid level, the animal activity, the temperature and humidity, the combustible gas concentration and the like in the cable pit can be monitored in real time, various potential problems such as water accumulation, combustible gas leakage, abnormal temperature and humidity, small animal invasion and the like in the cable pit can be found in time, the occurrence of accidents can be prevented in advance, and the normal operation of the cable and the stability of a power system can be guaranteed. And by controlling the opening and closing of the drainage pump, the mouse repeller and the ventilation equipment, the operations of drainage, ventilation, mouse repellence and the like are timely carried out, and an early warning is sent to staff through the communication module, so that the manual site treatment is not needed, the timeliness of dealing with emergency is greatly improved, the risk of damage of the cable due to accumulated water or combustible gas is effectively reduced, and the safety of the power system is enhanced.
The foregoing description of specific exemplary embodiments of the utility model has been presented for the purpose of illustration and description, but it is not intended to limit the utility model to the precise form disclosed, and it is apparent that many changes and modifications may be made in accordance with the above teachings, and while embodiments of the utility model have been shown and described, this specific embodiment is merely illustrative of the utility model and not restrictive, the particular features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner, the exemplary embodiments being selected and described for the purpose of explaining the specific principles of the utility model and its practical application, so that modifications, substitutions, variations, and various other changes may be made to the embodiments without creatively departing from the principles and spirit of the utility model as desired by those skilled in the art without departing from the scope of the patent claims.
Claims (8)
1. The multifunctional early warning intelligent monitoring device for the cable pit of the transformer substation is characterized by comprising a main control chip, a sensor, a communication module, a control module, a relay, danger eliminating equipment, a transformer and a power supply;
The communication module, the control module and the transformer are respectively connected with the main control chip, the relay is respectively connected with the danger eliminating equipment and the control module, the power supply is respectively connected with the relay and the transformer, the sensor comprises a liquid level sensor, an ultrasonic sensor, a temperature and humidity sensor and a combustible gas sensor, and the liquid level sensor, the ultrasonic sensor, the temperature and humidity sensor and the combustible gas sensor are respectively connected with the main control chip.
2. The multifunctional early warning intelligent monitoring device for the cable pit of the transformer substation is characterized by further comprising a main control box, wherein the main control box is arranged on the bottom surface of a cable pit cover plate, the ultrasonic sensor is arranged right below a box body of the main control box, and the temperature and humidity sensor and the combustible gas sensor are arranged on the right side of the main control box.
3. The multifunctional early warning intelligent monitoring device for the cable pit of the transformer substation is characterized by further comprising a liquid level sensor fixing bolt, wherein the liquid level sensor comprises a low liquid level sensor and a high liquid level sensor, the liquid level sensor fixing bolt is arranged on the left side of a main control box, one end of the liquid level sensor fixing bolt is connected with the bottom surface of a cable pit cover plate, the other end of the liquid level sensor fixing bolt extends downwards, the low liquid level sensor and the high liquid level sensor are arranged below the liquid level sensor fixing bolt, and the height of the high liquid level sensor is higher than that of the low liquid level sensor.
4. The multifunctional early warning intelligent monitoring device for the cable pit of the transformer substation is characterized by comprising a water pump, a mouse expelling device and an exhaust device, wherein the water pump is arranged at the bottom of the cable pit, the mouse expelling device is arranged on the bottom surface of a cable pit cover plate, and the exhaust device is arranged on the cable pit cover plate.
5. The multifunctional early warning intelligent monitoring device for the cable pit of the transformer substation, which is disclosed in claim 4, is characterized in that the exhaust equipment comprises an exhaust fan and an exhaust cap, wherein the exhaust fan is arranged on the bottom surface of the cable pit cover plate, and the exhaust cap is arranged on the top surface of the cable pit cover plate.
6. The multifunctional early warning intelligent monitoring device for the cable pit of the transformer substation according to claim 3, wherein the lower end of the high liquid level sensor is flush with the height of a power transmission cable arranged at the lowest end inside the cable pit.
7. The multifunctional early warning intelligent monitoring device for the cable pit of the transformer substation according to claim 2, wherein the main control box is a rectangular box body, and the long side of the main control box is parallel to the inner wall of the cable pit.
8. The multifunctional early warning intelligent monitoring device for the cable pit of the transformer substation is characterized in that the main control chip is a single chip microcomputer, and the control module is a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520336193.1U CN224004453U (en) | 2025-02-28 | 2025-02-28 | Multifunctional early warning intelligent monitoring device for cable pit of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520336193.1U CN224004453U (en) | 2025-02-28 | 2025-02-28 | Multifunctional early warning intelligent monitoring device for cable pit of transformer substation |
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| Publication Number | Publication Date |
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| CN224004453U true CN224004453U (en) | 2026-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202520336193.1U Active CN224004453U (en) | 2025-02-28 | 2025-02-28 | Multifunctional early warning intelligent monitoring device for cable pit of transformer substation |
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| Country | Link |
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| CN (1) | CN224004453U (en) |
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- 2025-02-28 CN CN202520336193.1U patent/CN224004453U/en active Active
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