CN217153850U - Leakage monitoring and early warning system for multi-component oil gas - Google Patents
Leakage monitoring and early warning system for multi-component oil gas Download PDFInfo
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- CN217153850U CN217153850U CN202221031013.1U CN202221031013U CN217153850U CN 217153850 U CN217153850 U CN 217153850U CN 202221031013 U CN202221031013 U CN 202221031013U CN 217153850 U CN217153850 U CN 217153850U
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Abstract
The utility model provides a leakage monitoring early warning method, early warning controller and early warning system of multicomponent oil gas has solved among the prior art oil gas production, transportation, storage, use leakage and has been difficult to the problem of quick, high sensitivity, location discernment. This system adopts TDLAS oil gas detector to survey multicomponent oil gas to carry out the analysis according to the volume fraction of every kind of gas in the multicomponent oil gas that TDLAS oil gas detector detected, thereby obtain the mixed explosion limit and the mixed limit of easily igniteing of multicomponent oil gas, and can in time carry out the early warning to multicomponent oil gas according to mixed explosion limit and mixed limit of easily igniteing, thereby can be accurate, quick realization is to dangerous chemical's monitoring, has reduced dangerous chemical's danger coefficient. In addition, the specific position of the pressure-bearing equipment can be judged according to the picture shot by the shooting device, and workers are guided to quickly position for emergency treatment and repair.
Description
Technical Field
The utility model relates to a hazardous articles safety technical field, concretely relates to leakage monitoring early warning system of multicomponent oil gas
Background
Oil gas volatilized in the process of 'production and transportation' of crude oil, oil products, natural gas and the like mainly comprises harmful gases such as carbon I, carbon II, carbon III, hydrogen sulfide and the like, wherein the carbon I is methane, the carbon II is mainly ethane and ethylene, and the carbon III is mainly propane and propylene. The volatilized oil and gas are mixed and gathered to easily cause poisoning, fire, explosion and other consequences, thereby causing the loss of human and property.
The existing oil gas leakage monitoring technology mainly takes a detector of catalytic combustion or electrochemical reaction as a main part. The oil gas detector is used for detecting the concentration of gas by diffusing or sucking the gas to be detected into the detector and adopting a catalytic combustion or electrochemical reaction method, the technical precision is high, the equipment cost is low, but the technical scheme has the advantages of slow response time, short measurement distance, high requirement on arrangement of monitoring detection points (reasonable arrangement according to the position of a leakage source and the gas diffusion rule), short service life (3-6 months), high maintenance cost (the reaction inner core of the detector loses effectiveness in a period of time and needs to be replaced regularly) and the like. With the development of the technology, some new oil and gas leakage monitoring technologies are gradually mature, and technologies such as infrared thermal imaging, laser spectroscopy and ultrasound can be used for engineering application. The infrared thermal imaging technology is characterized in that a thermal infrared sensitive CCD leakage source is used for monitoring and imaging thermal infrared rays in a wave band of 2.0-1000 mu m, and the size of leakage is qualitatively judged through the change of a surrounding temperature field after leakage; the method has poor identification degree in a micro-leakage situation, and is difficult to quickly identify with high sensitivity. The ultrasonic technology is characterized in that ultrasonic waves generated by friction between medium leakage and a leakage port and surrounding air are utilized, the sound intensity is monitored at an ultrasonic frequency band of 20000-100000 Hz through a sound intensity sensor, and the leakage is qualitatively judged; the method has the advantages of quick response time and high sensitivity, but needs to eliminate external interference when in use.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a leakage monitoring early warning method, early warning controller and early warning system of multicomponent oil gas has solved among the prior art oil gas production, transportation, storage, use leakage and has been difficult to quick, high sensitivity, the problem of location discernment.
According to an aspect of the utility model, the utility model provides a leakage monitoring early warning system of multicomponent oil gas, include: a TDLAS oil gas detector; the multi-component oil gas leakage monitoring and early warning controller is in communication connection with the TDLAS oil gas detector; the alarm is in communication connection with the leakage monitoring and early warning controller of the multi-component oil gas; the display system is in communication connection with the TDLAS oil gas detector and the leakage monitoring and early warning controller of the multi-component oil gas; and the camera device is in communication connection with the display system and the multi-component oil gas leakage monitoring and early warning controller, and is used for taking pictures around the pressure-bearing equipment and transmitting the pictures to the display system and the multi-component oil gas leakage monitoring and early warning controller.
In an embodiment of the present invention, the TDLAS oil gas detector includes: the TDLS laser transmitters are respectively used for transmitting a plurality of transmitting laser beams, and the laser beams respectively correspond to a plurality of gas components in the multi-component oil gas; the TDLAS laser receiver corresponds to the plurality of TDLAS laser transmitters or the TDLAS laser receiver corresponds to a single laser beam formed by converging laser beams of the plurality of TDLAS laser transmitters through a condenser; and a plurality of optical filters; wherein, through switching the light filter, TDLAS laser receiver receives a plurality ofly respectively TDLAS laser emitter launches respectively and by respectively a plurality of reflection laser beams of a plurality of gas component reflections in the multicomponent oil gas.
In an embodiment of the present invention, the TDLAS oil gas detector includes: a TDLS laser transmitter for transmitting a laser beam; and a TDLAS laser receiver for receiving the multi-component reflected laser beam after the emitted laser beam is reflected by the multi-component oil gas.
The utility model discloses an embodiment, the leakage monitoring early warning system of multicomponent oil gas still includes: and the TDLAS oil gas detector is fixed on the lifting device.
In an embodiment of the present invention, the lifting device includes: a telescopic rod; the fixed rod is fixed above the telescopic rod and can rotate relative to the telescopic rod; and the driving motor is connected with the telescopic rod and the fixed rod, and is used for driving the telescopic rod to shorten or extend and driving the fixed rod to rotate relative to the telescopic rod.
In an embodiment of the present invention, the lifting device further includes: the rotary gauge is fixed on the fixed rod and used for detecting the rotating angle of the fixed rod relative to the telescopic rod.
In an embodiment of the present invention, the leakage monitoring and early warning system for multicomponent oil gas comprises an even number of TDLAS oil gas detectors; wherein, elevating gear still includes: the first fixing rod is fixed on one side of the fixing rod; the second fixing rod is fixed on the other side of the fixing rod, and the length extension direction of the first fixing rod and the length extension direction of the second fixing rod are both perpendicular to the height extension direction of the telescopic rod; and the even number of TDLAS oil gas detectors are respectively fixed on the first fixing rod and the second fixing rod.
The utility model relates to an embodiment, fix TDLAS oil gas detector quantity on the first dead lever with fix TDLAS oil gas detector's on the second dead lever quantity equals.
In an embodiment of the present invention, the alarm includes an audible and visual alarm.
The utility model relates to an embodiment, the leakage monitoring early warning controller of multicomponent oil gas with TDLAS oil gas detector adopts the 4G 5G wireless network transmission of TCP/IP agreement.
The utility model provides a pair of leakage monitoring early warning system of multicomponent oil gas, adopt TDLAS oil gas detector to survey multicomponent oil gas, and carry out the analysis according to the volume fraction of every kind of gas in the multicomponent oil gas that TDLAS oil gas detector detected, thereby obtain the mixed explosion limit and the mixed limit of easily firing of multicomponent oil gas, and can in time carry out the early warning to multicomponent oil gas according to mixed explosion limit and mixed limit of easily firing, thereby can be accurate, the monitoring of dangerous chemical article is to quick realization, the danger coefficient of dangerous chemical article has been reduced. In addition, the leakage monitoring and early warning controller for the multi-component oil gas can judge the specific position of the pressure-bearing equipment according to the picture shot by the shooting device, and guides workers to quickly position and emergently dispose and repair.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail embodiments of the present invention with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of embodiments of the invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the invention for the purpose of illustration and not for the purpose of limitation. In the drawings, like reference numbers generally represent like parts or steps.
Fig. 1 is a schematic diagram illustrating an operation of a multi-component oil gas leakage monitoring and early warning system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an TDLASTDLAS oil-gas detector in the multi-component oil-gas leakage monitoring and early warning system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an TDLASTDLAS oil-gas detector in the multi-component oil-gas leakage monitoring and early warning system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an TDLASTDLAS oil-gas detector in the multi-component oil-gas leakage monitoring and early warning system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an TDLASTDLAS oil-gas detector in the multi-component oil-gas leakage monitoring and early warning system according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram illustrating an TDLASTDLAS oil-gas detector and a lifting device in the multi-component oil-gas leakage monitoring and early-warning system according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram illustrating an TDLASTDLAS hydrocarbon detector and a lifting device in a multi-component hydrocarbon leakage monitoring and warning system according to another embodiment of the present disclosure;
reference numerals are as follows:
200: a TDLAS oil gas detector; 300: a camera device; 400: an early warning controller; 500: an alarm; 600: a display system; 1: a TDLAS laser transmitter; 2: an indicator laser; 3: a TDLAS laser receiver; 5: a ranging laser transmitter; 6: a ranging laser receiver; 101: a first fixing lever; 102: a second fixing bar; 103: a telescopic rod; 104: and (5) fixing the rod.
Detailed Description
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators in the embodiments of the present invention (such as upper, lower, left, right, front, rear, top, bottom … …) are only configured to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The technical solutions in the embodiments of the present invention will be described clearly and completely 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 efforts belong to the protection scope of the present invention.
According to an aspect of the utility model, figure 1 shows to be the utility model provides a pair of leakage monitoring early warning system's of multicomponent oil gas working principle picture, as shown in figure 1, this leakage monitoring early warning system of multicomponent oil gas, include: a TDLAS oil and gas detector 200; the multi-component oil gas leakage monitoring and early warning controller 400 is in communication connection with the TDLAS oil gas detector 200; the alarm 500, the alarm 500 is in communication connection with the leakage monitoring and early warning controller 400 of the multi-component oil gas; the display system 600, the display system 600 is in communication connection with the TDLAS oil gas detector 200 and the multi-component oil gas leakage monitoring and early warning controller 400; and the camera device 300 is in communication connection with the display system 600 and the multi-component oil gas leakage monitoring and early warning controller 400, and the camera device 300 is used for shooting pictures around the pressure-bearing equipment and transmitting the pictures to the display system 600 and the multi-component oil gas leakage monitoring and early warning controller 400.
Wherein, the alarm 500 comprises an audible and visual alarm 500.
The leakage monitoring and early warning controller 400 and the TDLAS oil gas detector 200 of the multi-component oil gas are transmitted by a 4G/5G wireless network of a TCP/IP protocol.
The TDLAS oil gas detector 200 detects the multi-component oil gas to obtain the volume fraction of each gas component in the multi-component oil gas, and sends the volume fraction of each gas component in the multi-component oil gas to the leakage monitoring and early warning controller 400 and the display system 600 of the multi-component oil gas, the display system 600 displays the volume fraction of each gas component in the multi-component oil gas, and a user can view the volume fraction of each gas component in the multi-component oil gas on the display system 600. The leakage monitoring and early warning controller 400 of the multi-component oil gas calculates the mixed explosion limit and the mixed flammability limit value of the multi-component oil gas according to the volume fraction of each gas component in the multi-component oil gas, transmits the mixed explosion limit and the mixed flammability limit value to the display system 600, the display system 600 displays the mixed explosion limit and the mixed flammability limit value of the multi-component oil gas, and a user can check the mixed explosion limit and the mixed flammability limit value of the multi-component oil gas on the display system 600 at any time. When the mixed explosion limit of the multi-component oil gas is larger than a first preset value and/or when the mixed flammability limit of the multi-component oil gas is larger than a second preset value, the leakage monitoring and early warning controller 400 of the component oil gas generates early warning information and transmits the early warning information to the early warning device, and the early warning device generates early warning corresponding to the early warning information when receiving the early warning information transmitted by the leakage monitoring and early warning controller 400 of the multi-component oil gas, for example, when the early warning information is color information, the early warning device displays the color information, for example, red early warning or yellow early warning, so that the monitoring of dangerous chemical articles can be accurately and quickly realized, and the danger coefficient of the dangerous chemical articles is reduced. In addition, the leakage monitoring and early warning controller 400 for the multi-component oil gas can judge the specific position of the pressure-bearing equipment according to the picture shot by the shooting device, and guide the staff to quickly position and perform emergency treatment and repair.
In an embodiment of the utility model, shown in fig. 2 is the utility model provides a pair of TDLAS oil gas detector 200's among leakage monitoring early warning system of multicomponent oil gas structural schematic diagram, as shown in fig. 2, TDLAS oil gas detector 200 includes: the multi-component oil gas multi-component; a TDLAS laser receiver 3, wherein the TDLAS laser receiver 3 corresponds to the plurality of TDLAS laser transmitters 1 or the TDLAS laser receiver and the plurality of TDLAS laser transmitters are converged into a single laser beam by a condenser; and a plurality of optical filters (not shown in the figure) which may be provided within the TDLAS laser receiver 3; wherein, through switching the light filter, TDLAS laser receiver 3 receives a plurality of reflection laser beams that a plurality of TDLAS laser emitter 1 respectively transmitted and respectively reflected by a plurality of gas components in the multicomponent oil gas respectively.
Wherein, the laser beam of TDLAS laser receiver 3 and a plurality of TDLAS laser emitter 1 is converged into a single laser beam by the condenser. Can reduce TDLAS device weight and volume by a wide margin, integrate a plurality of TDLAS laser receiver 3 in single TDLAS oil gas detector, a miniature spotlight ware of built-in assembles into a beam of mixed wavelength laser beam with four laser and jets out. The wavelength of the laser beam corresponding to each monitored gas needs to be strictly inspected, the laser beam under each specific wavelength only has an obvious absorption peak for the monitored gas, and has no absorption peak or a tiny absorption peak for other monitored gases, so that the absorption interference among gas components during the monitoring of the multi-component oil gas is eliminated. When the single TDLAS laser receiver 3 corresponds to the plurality of TDLAS laser transmitters 1, the mode realizes the screening of different TDLAS laser beams and the sequential measurement of different oil gas component concentrations by regularly switching the optical filters through the chopper, and the switching time of the optical filters is not less than 0.5 s.
Specifically, the setting positions of the TDLS laser transmitters and the TDLAS laser receiver 3 may be as follows:
(1) as shown in fig. 2, a plurality of TDLS laser emitters are arranged in a row; at this time, the intervals between two adjacent TDLAS laser emitters 1 are equal, that is, a plurality of TDLS laser emitters are uniformly arranged.
(2) As shown in fig. 3, a plurality of TDLS laser emitters are distributed over a circumference; in this case, a plurality of TDLS laser emitters may be uniformly distributed over a circumference.
(3) As shown in fig. 4, the TDLS laser emitters are arranged in two rows, and the number of TDLS laser emitters in each row may be equal or different.
Optionally, each TDLAS laser transmitter 1 is provided with a thermostat, the TDLAS laser transmitter 1 is kept at a working temperature, and the temperature control precision is less than ± 0.05 ℃. TDLAS laser receiver 3 adopts single laser receiver to correspond a plurality of TDLAS laser emitter 1, and 20 ~ 30cm are selected to the diameter, and the optical filter bandwidth is selected in 20 ~ 35nm within range, and optical filter switching time is 1 second/one, and single measurement cycle is 4 seconds/time.
In another embodiment of the utility model, shown in fig. 5 is the utility model provides a pair of TDLAS oil gas detector 200's among leakage monitoring early warning system of multicomponent oil gas structure schematic diagram, as shown in fig. 5, TDLAS oil gas detector 200 includes: a TDLS laser emitter for emitting a laser beam; and a TDLAS laser receiver 3 for receiving the multi-component reflected laser beam after the emitted laser beam is reflected by the multi-component oil gas.
In this embodiment, single TDLAS laser receiver 3 corresponds single TDLAS laser transmitter 1, and this mode light filter need not to switch, and the light filter bandwidth suggestion is in 15 ~ 40nm within ranges. The size of the TDLAS laser receiver 3 is determined according to the upper limit of the intensity of the received diffuse reflection laser, and the diameter of the receiver which can receive and count 10% of the light intensity of the diffuse reflection laser is recommended to be not less than 10 cm.
Optionally, as shown in fig. 3-5, the TDLAS oil gas detector 200 further includes a ranging laser transmitter 5 and a ranging laser receiver 6, wherein the ranging laser transmitter 5 selects laser with a wavelength of 600-700 nm; the distance between the ranging laser transmitter 5 and the TDLAS laser transmitter 1 is kept to be 2 cm; the ranging laser receiver 6 is kept 2cm apart from the TDLAS laser receiver 3.
In an embodiment of the present invention, fig. 6 is a schematic structural view of a TDLAS oil gas detector 200 and a lifting device in a multi-component oil gas leakage monitoring and early warning system provided in an embodiment of the present application; as shown in fig. 6, the leakage monitoring and early warning system for multi-component oil gas further comprises: the lifting device, TDLAS oil gas detector 200 is fixed on the lifting device. The lifting device can lift the TDLAS oil gas detector 200.
In an embodiment of the present invention, fig. 7 is a schematic structural diagram of an TDLASTDLAS oil gas detector 200 and a lifting device in a multi-component oil gas leakage monitoring and early warning system provided in an embodiment of the present application; as shown in fig. 7, the lifting device includes: a telescopic rod 103; a fixed rod 104 fixed above the telescopic rod 103, wherein the fixed rod 104 can rotate relative to the telescopic rod 103; a driving motor (not shown in the figure), which is connected to the telescopic rod 103 and the fixing rod 104, and is used for driving the telescopic rod 103 to shorten or extend and driving the fixing rod 104 to rotate relative to the telescopic rod 103; a first fixing bar 101, the first fixing bar 101 being fixed to one side of the fixing bar 104; the second fixing rod 102 is fixed on the other side of the fixing rod 104, and the length extending direction of the first fixing rod 101 and the length extending direction of the second fixing rod 102 are both perpendicular to the height extending direction of the telescopic rod 103; wherein, an even number of TDLAS oil gas detectors 200 are respectively fixed on the first fixing rod 101 and the second fixing rod 102.
Wherein, the number of the TDLAS oil gas detectors 200 fixed on the first fixing rod 101 is equal to the number of the TDLAS oil gas detectors 200 fixed on the second fixing rod 102.
The utility model discloses an in the embodiment, elevating gear still includes: and the rotary gauge is fixed on the fixed rod 104 and is used for detecting the rotation angle of the fixed rod 104 relative to the telescopic rod 103.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalents and the like made within the spirit and principles of the invention should be included within the scope of the invention.
Claims (10)
1. The utility model provides a leakage monitoring early warning system of multicomponent oil gas which characterized in that includes:
a TDLAS oil and gas probe (200);
the multi-component oil gas leakage monitoring and early warning controller (400), and the multi-component oil gas leakage monitoring and early warning controller (400) is in communication connection with the TDLAS oil gas detector (200);
the alarm (500), the alarm (500) is in communication connection with the leakage monitoring and early warning controller (400) of the multi-component oil gas;
a display system (600), the display system (600) being in communication with the TDLAS hydrocarbon detector (200) and the multi-component hydrocarbon leak monitoring and warning controller (400); and
the device comprises a camera device (300), the camera device (300) is in communication connection with the display system (600) and the multi-component oil gas leakage monitoring and early warning controller (400), and the camera device (300) is used for shooting pictures around pressure-bearing equipment and transmitting the pictures to the display system (600) and the multi-component oil gas leakage monitoring and early warning controller (400).
2. The leakage monitoring and forewarning system for multicomponent hydrocarbons of claim 1, wherein said TDLAS hydrocarbon detector (200) comprises:
the TDLAS laser transmitters are respectively used for transmitting a plurality of transmitting laser beams, and the laser beams respectively correspond to a plurality of gas components in the multi-component oil gas;
a TDLAS laser receiver (2), wherein the TDLAS laser receiver (2) corresponds to a plurality of TDLAS laser transmitters (1) or the TDLAS laser receiver corresponds to a plurality of TDLAS laser transmitter laser beams which are converged into a single laser beam by a condenser; and
a plurality of optical filters;
wherein, through switching the light filter, TDLAS laser receiver (2) receive respectively a plurality of TDLAS laser emitter (1) is respectively emitted and respectively by a plurality of reflection laser beams of a plurality of gas component reflections in the multicomponent oil gas.
3. The leakage monitoring and forewarning system for multicomponent hydrocarbons of claim 2, wherein said TDLAS hydrocarbon detector (200) comprises:
a TDLS laser transmitter for transmitting a laser beam; and
a TDLAS laser receiver (2) for receiving the multi-component reflected laser beam after the emitted laser beam is reflected by the multi-component oil and gas.
4. The system of claim 1, further comprising:
and the TDLAS oil gas detector (200) is fixed on the lifting device.
5. The system of claim 4, wherein the lifting device comprises:
a telescopic rod (103);
a fixed rod (104) fixed above the telescopic rod (103), wherein the fixed rod (104) can rotate relative to the telescopic rod (103); and
the driving motor is connected with the telescopic rod (103) and the fixing rod (104), and is used for driving the telescopic rod (103) to shorten or extend and driving the fixing rod (104) to rotate relative to the telescopic rod (103).
6. The system of claim 5, wherein the lifting device further comprises:
the rotary gauge is fixed on the fixing rod (104) and used for detecting the rotation angle of the fixing rod (104) relative to the telescopic rod (103).
7. The system of claim 5, wherein the system comprises an even number of TDLAS hydrocarbon detectors (200); wherein, elevating gear still includes:
a first fixing lever (101), the first fixing lever (101) being fixed to one side of the fixing lever (104); and
the second fixing rod (102), the second fixing rod (102) is fixed on the other side of the fixing rod (104), and the length extension direction of the first fixing rod (101) and the length extension direction of the second fixing rod (102) are both perpendicular to the height extension direction of the telescopic rod (103);
wherein, even number TDLAS oil gas detector (200) is fixed on the first fixing rod (101) and the second fixing rod (102) respectively.
8. The system of claim 7, wherein the number of TDLAS hydrocarbon detectors (200) fixed on the first fixing rod (101) is equal to the number of TDLAS hydrocarbon detectors (200) fixed on the second fixing rod (102).
9. The system for monitoring and warning the leakage of multi-component oil and gas as claimed in claim 4, wherein the alarm (500) comprises an audible and visual alarm (500).
10. The system of claim 1, wherein the controller (400) and the TDLAS hydrocarbon detector (200) are configured to transmit over 4G/5G wireless networks using TCP/IP protocols.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221031013.1U CN217153850U (en) | 2022-04-29 | 2022-04-29 | Leakage monitoring and early warning system for multi-component oil gas |
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| CN202221031013.1U CN217153850U (en) | 2022-04-29 | 2022-04-29 | Leakage monitoring and early warning system for multi-component oil gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117110248A (en) * | 2023-10-23 | 2023-11-24 | 三峡科技有限责任公司 | System for monitoring leakage of dangerous gas based on ultraviolet light |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117110248A (en) * | 2023-10-23 | 2023-11-24 | 三峡科技有限责任公司 | System for monitoring leakage of dangerous gas based on ultraviolet light |
| CN117110248B (en) * | 2023-10-23 | 2024-02-06 | 三峡科技有限责任公司 | System for monitoring leakage of dangerous gas based on ultraviolet light |
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