CN218038228U - Alarm system and well lid are revealed to laser methane based on thing networking - Google Patents
Alarm system and well lid are revealed to laser methane based on thing networking Download PDFInfo
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- CN218038228U CN218038228U CN202221134465.2U CN202221134465U CN218038228U CN 218038228 U CN218038228 U CN 218038228U CN 202221134465 U CN202221134465 U CN 202221134465U CN 218038228 U CN218038228 U CN 218038228U
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Abstract
The utility model provides a laser methane leakage alarm system and well lid based on the internet of things, which comprises a sensor module, wherein the sensor module comprises a laser methane gas sensor, a floating ball type liquid level sensor and a well lid abnormal movement sensor; the control module is connected with the sensor module, receives and stores the collected data of the laser methane gas sensor, the floating ball type liquid level sensor and the well lid abnormal movement sensor, and generates an early warning signal according to a threshold value and the collected data; communication module, communication module with control module connects, receives and retransmits early warning signal to fortune dimension platform, the utility model discloses can carry out effective monitoring to the methane gas of underground valve well, the condition of soaking and well lid transaction.
Description
Technical Field
The utility model relates to an alarm technology especially relates to a laser methane reveals alarm system and well lid based on thing networking.
Background
The high-pressure pipeline of urban gas is generally buried on a municipal road or at the joint of an urban area and a suburban area. Because urban land resources are precious, according to the planning of urban roads, the valve on the natural gas pipeline is generally arranged in the form of an underground valve well instead of a ground valve chamber, so that the precious land resources are saved. The underground valve well is a closed limited space, when facilities such as pipelines, valves and the like in the gas valve well run for a long time, under the non-ventilation and humid environment, local gas leakage can be generated at the positions of a valve body, a flange and the like of the valve due to corrosion, expansion and contraction and the like, local gas leakage of a connecting piece can be caused due to uneven foundation settlement, gas accumulation can be easily caused under the condition of poor ventilation, the accumulated concentration reaches the condition that the explosion concentration limit is 5% -15%, gas explosion accidents can occur due to the reasons of friction between open flames or tools, electrostatic induction and the like, a plurality of industrial areas and residential areas exist around urban gas high-pressure pipelines, and serious casualties and property loss can be caused after the pipelines explode.
In the prior art, a common mode for preventing the leakage of the gas pipeline is a manual inspection mode, but a large amount of manpower and material resources are consumed in the manual inspection mode, and the manual inspection mode is a line-by-line inspection mode, so that continuous detection cannot be performed.
Disclosure of Invention
The embodiment of the utility model provides a warning system and well lid are revealed to laser methane based on thing networking can carry out effective monitoring to the methane gas of underground valve well, the condition of soaking and well lid transaction.
The first aspect of the embodiment of the utility model provides a laser methane leakage alarm system based on the internet of things, which comprises,
the sensor module comprises a laser methane gas sensor, a floating ball type liquid level sensor and a well lid abnormal movement sensor;
the control module is connected with the sensor module, receives and stores the acquired data of the laser methane gas sensor, the floating ball type liquid level sensor and the well lid abnormal movement sensor, and generates an early warning signal according to a threshold value and the acquired data;
and the communication module is connected with the control module and used for receiving and forwarding the early warning signal to an operation and maintenance platform.
Optionally, in one possible implementation of the first aspect, the float level sensor includes a magnetic float, a measurement conduit, a signal unit, a junction box, and a mounting assembly;
and a measuring element for measuring the up-and-down movement of the magnetic floating ball is arranged in the measuring conduit, converts a liquid level signal into a high level and a low level, and outputs the high level and the low level to the control module through the signal unit.
Optionally, in a possible implementation manner of the first aspect, the specific gravity of the magnetic floating ball is less than 0.5.
Optionally, in a possible implementation manner of the first aspect, the communication module includes a 4G communication unit, a 3G communication unit, a 2G communication unit, or an NB-IoT communication unit.
Optionally, in one possible implementation manner of the first aspect, the control module includes a CPU, a memory, and a clock;
the memory is connected with the CPU, and the storage space of the memory is 4M.
Optionally, in a possible implementation manner of the first aspect, the battery further includes a power module, and the power module is a disposable lithium battery.
Optionally, in a possible implementation manner of the first aspect, the power module is connected with an overcurrent protection board, and the power module and the overcurrent protection board are sealed by epoxy potting adhesive.
Optionally, in a possible implementation manner of the first aspect, the power module, the sensor module, the control module, and the communication module are all disposed in a protective casing;
the waterproof performance of the protective shell is IP68.
Optionally, in a possible implementation form of the first aspect, the protective casing is disposed below the manhole cover.
A second aspect of the embodiments of the present invention provides a manhole cover, further comprising the laser methane leakage alarm system based on the internet of things of the first aspect;
alarm system sets up in the well lid below is revealed to laser methane based on thing networking.
The utility model provides a laser methane leakage alarm system and well lid based on thing networking can effectively monitor methane gas, the condition of soaking and well lid transaction in the valve well through the sensor of high accuracy; when methane gas, water immersion and abnormal movement occur in the valve well, the system can timely send out early warning signals, and the early warning signals are transmitted to an operation and maintenance platform of a central machine room through the communication module, so that an operation and maintenance center administrator can make corresponding treatment through the early warning signals.
Drawings
FIG. 1 is a schematic diagram of a laser methane leakage alarm system based on the Internet of things according to the scheme;
FIG. 2 is a schematic diagram of the present solution for embodying a sensor module;
fig. 3 is a schematic diagram of the scheme for embodying the well lid.
In the figure, 1, a well cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
It should be understood that, in various embodiments of the present invention, the sequence numbers of the processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
It should be understood that in the present application, "comprising" and "having" and any variations thereof, is intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that, in the present invention, "a plurality" means two or more. "and/or" is only an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "comprises A, B and C" and "comprises A, B, C" means that A, B, C all comprise, "comprises A, B or C" means that one of three A, B, C is comprised, "comprises A, B and/or C" means that any 1 or any 2 or 3 of three A, B, C are comprised.
It should be understood that, in the present invention, "B corresponding to a", "a corresponds to B", or "B corresponds to a" means that B is associated with a, and B can be determined from a. Determining B from a does not mean determining B from a alone, but may be determined from a and/or other information. And the matching of A and B means that the similarity of A and B is greater than or equal to a preset threshold value.
As used herein, "if" can be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on context.
The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Example 1
The utility model provides a laser methane leakage alarm system based on thing networking, refers to fig. 1 and 2, includes sensor module, control module and communication module, and sensor module is used for the on-the-spot data of real-time acquisition, and control module is used for receiving and handling data, and communication module is used for transmitting control module's data to fortune dimension platform.
The sensor module comprises a laser methane gas sensor, a floating ball type liquid level sensor and a well lid abnormal movement sensor.
The laser methane gas sensor is characterized in that a laser technology is utilized, based on a spectrum absorption principle, when laser emitted by a light source passes through methane gas in a sensor probe, light is absorbed in the sensor probe, light intensity changes, and a methane concentration value on the spot can be monitored by detecting the change of the light intensity.
The well lid transaction sensor is used for limiting the position or the stroke of mechanical movement of the well lid, and an alarm can be given out when the well lid is in transaction.
The floating ball type liquid level sensor comprises a magnetic floating ball, a measuring conduit, a signal unit, a junction box and a mounting assembly; and a measuring element for measuring the up-and-down movement of the magnetic floating ball is arranged in the measuring conduit, and the measuring element converts a liquid level signal into a high level and a low level and outputs the high level and the low level to the control module through the signal unit.
It can be understood that the floating ball type liquid level sensor is used for monitoring immersion, has the advantages of acid resistance, moisture resistance, shock resistance, corrosion resistance and the like, when the underground valve well is immersed, the magnetic floating ball can float on the liquid level to move up and down, and the measuring element can measure in real time and send out signals.
When the liquid level changes, the magnetic floating ball moves upwards in the measuring guide pipe along with the liquid level, and the measuring element can monitor the position of the magnetic floating ball in the measuring guide pipe in real time, so that the liquid level change is converted into high and low levels.
In practical applications, the specific gravity of the magnetic floating ball needs to be less than 0.5, for example, 0.45.
The control module is connected with the sensor module, receives and stores the collected data of the laser methane gas sensor, the floating ball type liquid level sensor and the well lid abnormal movement sensor, and generates an early warning signal according to a threshold value and the collected data.
It can be understood that the threshold value refers to a pre-set warning value, and for the laser methane gas sensor, the threshold value may refer to a methane concentration warning value, generally speaking, the maximum allowable concentration limit value of methane in the ambient air needs to be less than 5%, for example, the methane concentration warning value in this scheme may be 5%, and when the methane concentration value exceeds 5%, a warning signal is generated; for the floating ball type liquid level sensor, the threshold value can be high and low level, and early warning information can be generated according to the high and low level; for the well lid transaction sensor, the principle is similar, and the description is omitted here.
The control module comprises a CPU, a memory and a clock, wherein the memory is connected with the CPU, and the storage space of the memory is 4M.
It is understood that the CPU is the final execution unit of information processing, program execution; the memory adopts an industrial-grade large-capacity memory chip and can be directly connected with the CPU, and data of one year can be stored after one-hour sampling.
In practical applications, the CPU may be, for example, an MSP430 chip.
The communication module comprises a 4G communication unit, a 3G communication unit, a 2G communication unit or an NB-IoT communication unit, is connected with the control module, and receives and forwards the early warning signal to the operation and maintenance platform.
Among them, NB-IoT narrowband Internet of Things (NB-IoT) is an emerging technology in the field of Internet of Things (IoT), supports cellular data connection of low power devices in a wide area network, and is also called a Low Power Wide Area Network (LPWAN).
It can be understood that the communication module of the present solution supports wireless data communication functions of different operators, and provides fast, reliable, and secure transmission for data services.
The power module is disposable lithium cell, and the power module is connected with the protection shield that overflows, just the power module with it seals through epoxy casting glue to overflow between the protection shield.
Illustratively, an overcurrent protection circuit can be arranged on the overcurrent protection plate, and the overcurrent protection plate mainly comprises an MOS tube, a triode and a current sampling resistor. The working current is in normal scope, and the MOS pipe is opened, and the power is normal output, when working current surpassed and set for the overcurrent protection value, closes through triode control MOS pipe, and the power is closed and is exported, and this place is prior art, and no longer repeated here. Meanwhile, the overcurrent protection circuit in the prior art can replace the scheme, and can play the role of overcurrent protection.
In some embodiments, the power module, the sensor module, the control module and the communication module of the present disclosure may all be disposed in a protective casing, so as to protect the device with the protective casing, thereby prolonging the service life of the device.
Wherein, the protective housing can set up the well lid below to combine this device to the well lid.
In addition, the waterproof performance of the protective shell of the scheme is IP68. It will be appreciated that IP68 is the highest level of the standard dust and water protection rating of the GB/T4208-2017 shell protection rating (IP code).
Example 2
The utility model provides a well lid, refers to fig. 3, includes in embodiment 1 that alarm system is revealed to laser methane based on thing networking, alarm system sets up is revealed to laser methane based on thing networking 1 below the well lid.
It can be understood that, laser methane based on thing networking reveals alarm system can directly install additional to current well lid 1, does not need additionally to change well lid 1, and the cost obtains effectual control, and on-the-spot installation, maintenance are simple and convenient swift.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a laser methane reveals alarm system based on thing networking which characterized in that: comprises the steps of (a) preparing a substrate,
the sensor module comprises a laser methane gas sensor, a floating ball type liquid level sensor and a well lid abnormal movement sensor;
the control module is connected with the sensor module, receives and stores the acquired data of the laser methane gas sensor, the floating ball type liquid level sensor and the well lid abnormal movement sensor, and generates an early warning signal according to a threshold value and the acquired data;
and the communication module is connected with the control module and used for receiving and forwarding the early warning signal to an operation and maintenance platform.
2. The laser methane leak alarm system based on the internet of things of claim 1, wherein the float ball type liquid level sensor comprises a magnetic float ball, a measuring conduit, a signal unit, a junction box and a mounting assembly;
and a measuring element for measuring the up-and-down movement of the magnetic floating ball is arranged in the measuring conduit, and the measuring element converts a liquid level signal into a high level and a low level and outputs the high level and the low level to the control module through the signal unit.
3. The laser methane leakage alarm system based on the internet of things of claim 2, wherein the specific gravity of the magnetic floating ball is less than 0.5.
4. The laser methane leakage alarm system based on the internet of things of claim 1, wherein the communication module comprises a 4G communication unit, a 3G communication unit, a 2G communication unit or an NB-IoT communication unit.
5. The laser methane leak alarm system based on the internet of things of claim 1, wherein the control module comprises a CPU, a storage and a clock;
the memory is connected with the CPU, and the storage space of the memory is 4M.
6. The laser methane leakage alarm system based on the internet of things of claim 1, further comprising a power module, wherein the power module is a disposable lithium battery.
7. The laser methane leakage alarm system based on the internet of things as claimed in claim 6, wherein the power module is connected with an overcurrent protection board, and the power module and the overcurrent protection board are sealed through epoxy pouring sealant.
8. The laser methane leak alarm system based on the internet of things of claim 6, wherein the power module, the sensor module, the control module and the communication module are all arranged in a protective shell;
the waterproof performance of the protective shell is IP68.
9. The laser methane leakage alarm system based on the internet of things of claim 8, wherein the protective shell is arranged below the well lid.
10. A manhole cover, characterized in that, it also includes a laser methane leakage alarm system based on internet of things as claimed in any one of claims 1-9;
alarm system is revealed to laser methane based on thing networking sets up in well lid below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221134465.2U CN218038228U (en) | 2022-05-11 | 2022-05-11 | Alarm system and well lid are revealed to laser methane based on thing networking |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221134465.2U CN218038228U (en) | 2022-05-11 | 2022-05-11 | Alarm system and well lid are revealed to laser methane based on thing networking |
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| CN218038228U true CN218038228U (en) | 2022-12-13 |
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| CN202221134465.2U Active CN218038228U (en) | 2022-05-11 | 2022-05-11 | Alarm system and well lid are revealed to laser methane based on thing networking |
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