CN111750928A - Cable channel comprehensive monitoring device - Google Patents
Cable channel comprehensive monitoring device Download PDFInfo
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- CN111750928A CN111750928A CN202010548737.2A CN202010548737A CN111750928A CN 111750928 A CN111750928 A CN 111750928A CN 202010548737 A CN202010548737 A CN 202010548737A CN 111750928 A CN111750928 A CN 111750928A
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- monitoring device
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- cable
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to a comprehensive monitoring device for a cable channel, which comprises a shell, a suction turbine (1), a gas suction inlet (2), a sensing unit, a collecting and communicating unit and a power supply unit for supplying power to the device; the inner part of the shell is provided with a baffle plate which is used for dividing the inner part of the shell into a first area and a second area; the suction turbine (1) is fixedly connected with the shell in the first area and is used for matching with the gas suction inlet (1) arranged on the side wall of the shell to sample gas; the acquisition and communication unit and the power supply unit are positioned in a second area; the sensing unit is connected with the acquisition and communication unit. Compared with the prior art, the invention has the advantages of safe and stable communication, good monitoring real-time property, long service life, wide application range and the like.
Description
Technical Field
The invention relates to the field of power systems, in particular to a cable channel comprehensive monitoring device.
Background
With the annual increase of the coverage rate of urban cables, the role of the cables in urban power grids is gradually obvious. The cable channel is the aorta of urban power supply system, and electric power calandria processing well combination is the important component of cable channel, also is the weak node on the cable channel, often takes place that electric power worker well lid is lost, cable equipment is stolen, the condition that harmful gas deflagration etc. causes the potential safety hazard in the worker well.
At present, a power system is lack of a comprehensive online monitoring unit with high reliability and high integration for a cable channel. In most detection devices, a gas detection portion is mounted together with other parameter detection portions such as temperature, humidity, and an inclination angle, and is not isolated. The mounting method can reduce the problems of failure, service life reduction and the like of other parameter sensors such as temperature, humidity, inclination angle and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a comprehensive cable channel monitoring device.
The purpose of the invention can be realized by the following technical scheme:
a cable channel comprehensive monitoring device comprises a shell, a suction turbine, a gas suction inlet, a sensing unit, a collecting and communicating unit and a power supply unit for supplying power to the device; the inner part of the shell is provided with a baffle plate which is used for dividing the inner part of the shell into a first area and a second area; the suction turbine is fixedly connected with the shell in the first area and is used for matching with a gas suction inlet arranged on the side wall of the shell to sample gas; the acquisition and communication unit and the power supply unit are positioned in a second area; the sensing unit is connected with the acquisition and communication unit.
Preferably, the sensing unit comprises a CO gas sensor, a MEMS temperature and humidity sensor, an inclination angle sensor, a CH4And H2S integrated gas sensor and O2A gas sensor; the CO gas sensor and CH4And H2S integrated gas sensor and O2The gas sensors are all positioned in the first area and fixedly connected with the baffle; and the MEMS temperature and humidity sensor and the inclination angle sensor are both positioned in the second area and fixedly connected with the shell.
Preferably, the CO gas sensor, CH4And H2S integrated gas sensor or O2Gas sensor replaceable with SF6A gas sensor.
Preferably, the sensing unit and the acquisition and communication unit communicate by using a narrow-band low-power wireless communication technology, wherein the wireless communication technology comprises a low-power bluetooth technology and an NB-IOT protocol.
Preferably, the acquisition and communication unit communicates with the monitoring platform by a narrow-band low-power wireless communication technology.
Preferably, the acquisition and communication unit comprises a SmartNode chip, and the chip has an edge calculation function and can screen and filter the parameters acquired by the sensing unit.
Preferably, the power supply unit includes a battery.
Preferably, the shell is made of high-strength, flame-retardant and anti-aging engineering plastics; the shell is also provided with a built-in antenna.
Preferably, the monitoring device is provided with configurable parameters, and the parameters include a reporting period, a sampling period and a sensor alarm threshold.
Preferably, the monitoring device can be arranged on the cable or the electric power well cover and is used for preventing the cable and the electric power well cover from being lost; when the monitoring device is arranged on the cable, the device is also provided with a water level sensor for monitoring the water level in the cable channel.
Compared with the prior art, the invention has the following advantages:
firstly, communication safety and stability: the invention adopts a narrow-band low-power consumption wireless communication technology to carry out communication among all units, and the shell is provided with the built-in antenna, so that the wireless communication distance of the whole unit reaches 2km, and the safety and stability of the communication are ensured.
Secondly, the monitoring real-time performance is good: parameters such as a reporting period, a sampling period, alarm threshold values of all sensors and the like of the monitoring device can be configured, and accurate monitoring of the equipment state in the cable channel is achieved.
Thirdly, the service life is long: the invention adopts a narrow-band low-power consumption wireless communication technology to carry out communication among all units, can realize battery power supply, and can ensure that the service life of the device reaches more than five years.
Fourthly, the application range is wide: the shell of the device is made of high-strength, flame-retardant and anti-aging engineering plastics, and the protection grade reaches IP68 grade, so that the device can be suitable for various severe environments.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein 1 is a suction turbine, 2 is a gas suction inlet, 3 is a CO gas sensor, 4 is a battery, and 5 is CH4And H2S is a synthetic gas sensor, 6 is O2And 7, a gas sensor is a baffle plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
As shown in fig. 1, a cable channel comprehensive monitoring device comprises a housing, a suction turbine 1, a gas suction inlet 2, a sensing unit, a collecting and communicating unit and a power supply unit for supplying power to the device; the inner part of the shell is provided with a baffle 7 which is used for dividing the inner part of the shell into a first area and a second area so as to separate a gas monitoring part from other parts, effectively protect sensors such as temperature, humidity and inclination angle and prolong the service life of the device; the suction turbine 1 is fixedly connected with the shell in a first area and is used for matching with a gas suction inlet 1 arranged on the side wall of the shell to sample gas; the acquisition and communication unit and the power supply unit are positioned in a second area; the sensing unit is connected with the acquisition and communication unit.
The sensing unit comprises a CO gas sensor 3, an MEMS temperature and humidity sensor, an inclination angle sensor and a CH4And H2S Integrated gas sensor 5 and O2 A gas sensor 6; the CO gas sensor 3, CH4And H2S Integrated gas sensor 5 and O2The gas sensors 6 are all positioned in the first area and fixedly connected with the baffle; and the MEMS temperature and humidity sensor and the inclination angle sensor are both positioned in the second area and fixedly connected with the shell.
The sensing unit and the acquisition and communication unit are communicated by adopting a narrow-band low-power-consumption wireless communication technology, and the wireless communication technology comprises a low-power-consumption Bluetooth technology SmartNode and an NB-IOT protocol.
The acquisition and communication unit communicates with the monitoring platform through a narrow-band low-power wireless communication technology. The acquisition and communication unit comprises a SmartNode chip with edge computing functionality. The edge calculation function can screen and filter the parameters collected by the sensing unit. The power supply unit comprises a battery 4. The shell is made of high-strength, flame-retardant and anti-aging engineering plastics, and the protection grade reaches IP68 grade. The shell is also provided with a built-in antenna, so that the wireless communication distance of the whole unit can reach 2 km. The monitoring device is provided with configurable parameters, and the parameters comprise a reporting period, a sampling period and a sensor alarm threshold value.
The comprehensive monitoring device for the cable channel acquires sensing parameters such as environment temperature and humidity, gas concentration, electric power working well cover state and the like in the cable channel in real time through the cooperation between the sensing unit and the acquisition and communication unit, filters and screens data through an edge calculation function in a SmartNode chip, and uploads the data to a monitoring platform through a narrow-band low-power-consumption wireless communication technology, namely a low-power-consumption Bluetooth technology SmartNode and an NB-IOT protocol. The early warning and the alarm accident that master station monitoring personnel accessible equipment sent report fault information, and the topological location trouble cable of cooperation master station circuit in time informs the operation and maintenance personnel to overhaul and maintain, shortens the operation and maintenance and seeks the fault point time, improves the operating efficiency, promotes cable operation and maintenance reliability.
The monitoring device can be arranged on a cable or an electric power working well cover, and the inclination angle sensor in the device can detect the inclination angle change condition of the cable or the electric power working well cover, so that the loss of the cable and the electric power working well cover can be effectively prevented. When the monitoring device is installed on the cable, the device is also provided with a water level sensor for monitoring the water level in the cable channel.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The comprehensive monitoring device for the cable channel is characterized by comprising a shell, a suction turbine (1), a gas suction inlet (2), a sensing unit, a collecting and communicating unit and a power supply unit for supplying power to the device; a baffle (7) is arranged in the shell and used for dividing the interior of the shell into a first area and a second area; the suction turbine (1) is fixedly connected with the shell in the first area and is used for matching with the gas suction inlet (1) arranged on the side wall of the shell to sample gas; the acquisition and communication unit and the power supply unit are positioned in a second area; the sensing unit is connected with the acquisition and communication unit.
2. The comprehensive cable channel monitoring device according to claim 1, wherein the sensing unit comprises a CO gas sensor (3), an MEMS temperature and humidity sensor, an inclination angle sensor, and a CH4And H2S integrated gas sensor (5) and O2A gas sensor (6); the CO gas sensor (3) and the CH4And H2S integrated gas sensor (5) and O2The gas sensors (6) are all positioned in the first area and fixedly connected with the baffle; and the MEMS temperature and humidity sensor and the inclination angle sensor are both positioned in the second area and fixedly connected with the shell.
3. The cable channel integrated monitoring device according to claim 2, characterized in that the CO gas sensor (3), CH4And H2S integrated gas sensor (5) or O2The gas sensor (6) can be replaced by SF6A gas sensor.
4. The device as claimed in claim 1, wherein the sensing unit and the collecting and communicating unit communicate with each other using a narrow-band low-power wireless communication technology, the wireless communication technology including bluetooth low energy technology and NB-IOT protocol.
5. The device as claimed in claim 4, wherein the collection and communication unit communicates with the monitoring platform via a narrow-band low-power wireless communication technology.
6. The integrated cable channel monitoring device as claimed in claim 1, wherein the collecting and communicating unit comprises a SmartNode chip having an edge computing function for filtering and filtering the parameters collected by the sensing unit.
7. The cable channel comprehensive monitoring device according to claim 1, wherein said power supply unit comprises a battery (4).
8. The comprehensive monitoring device for cable channels according to claim 1, wherein the housing is made of high-strength, flame-retardant and anti-aging engineering plastics; the shell is also provided with a built-in antenna.
9. The integrated cable channel monitoring device of claim 1, wherein the monitoring device is configured with configurable parameters, the parameters including reporting period, sampling period, and sensor alarm threshold.
10. The comprehensive cable path monitoring device according to claim 1, wherein the monitoring device is mountable on a cable or electric power well cover for preventing the loss of the cable or the electric power well cover; when the monitoring device is arranged on the cable, the device is also provided with a water level sensor for monitoring the water level in the cable channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010548737.2A CN111750928A (en) | 2020-06-16 | 2020-06-16 | Cable channel comprehensive monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010548737.2A CN111750928A (en) | 2020-06-16 | 2020-06-16 | Cable channel comprehensive monitoring device |
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| Publication Number | Publication Date |
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| CN111750928A true CN111750928A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010548737.2A Pending CN111750928A (en) | 2020-06-16 | 2020-06-16 | Cable channel comprehensive monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393759A (en) * | 2020-10-30 | 2021-02-23 | 北京风桥科技有限公司 | Cable shaft monitoring system, method and device |
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| CN205080106U (en) * | 2015-09-15 | 2016-03-09 | 南京华帅科技有限公司 | Multi -functional sampling analysis device |
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Application publication date: 20201009 |