CN216051383U

CN216051383U - Oil well oil leak detection device based on visual identification technology

Info

Publication number: CN216051383U
Application number: CN202122425471.5U
Authority: CN
Inventors: 谢欣岳; 张勇; 魏佳斌; 谢亚莉
Original assignee: Xinjiang Jinniu Energy Internet Of Things Technology Co ltd
Current assignee: Xinjiang Jinniu Energy Internet Of Things Technology Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-03-15
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses an oil well oil leakage detection device based on a visual identification technology, which comprises an image acquisition device, an ultraviolet ray generation device and a control unit, wherein the image acquisition device comprises an image collector, an image processor and a filtering component, the image collector can acquire image information of an acquisition area and send the image information to the image processor for processing, the filtering component comprises a filtering lens, a rotating shaft and a driving unit, and the filtering lens is fixed on the rotating shaft and can be shielded at the image collector; the ultraviolet generating device comprises an ultraviolet emitting module; the control unit comprises a controller and a wireless signal receiving and transmitting module, the controller is electrically connected with the image acquisition device and the ultraviolet generating device, the wireless signal receiving and transmitting module is communicated with an upper computer, and the success rate and the accuracy rate of oil leakage detection can be improved by using the device.

Description

Oil well oil leak detection device based on visual identification technology

Technical Field

The utility model relates to the technical field of oil well oil leakage detection, in particular to an oil well oil leakage detection device based on a visual recognition technology.

Background

At present, in the oil collection industry, oil pumping units are not only distributed extremely dispersedly and are located in remote areas, so that inconvenience is brought to monitoring of the working state of the oil pumping units, one of the monitoring of the working state of the oil pumping units is to detect whether an oil leakage phenomenon exists, oil leakage is often caused by overlarge gaps due to repeated friction of a polished rod and a pipeline joint of a Christmas tree in the oil extraction process, the oil leakage problem is generally detected by manually checking the site regularly, so that the problems of high labor intensity of personnel and untimely detection exist, part of the oil leakage detection is also performed by combining a security camera with an image identification method, but since the oil leakage trace is extremely similar to sunlight shadow, water pit and the like on the site, erroneous judgment or missing judgment is easily caused; researches show that the crude oil contains unsaturated hydrocarbon and derivatives thereof, has fluorescence, and can generate fluorescence with specific wavelength after being irradiated by ultraviolet light with specific wavelength, and at present, the fluorescence of the crude oil is mainly used for detecting the properties of crude oil of different target layers; therefore, based on the above problems and the prior art, the present application designs an oil well oil leakage detection device based on the visual recognition technology to improve the success rate and accuracy of oil leakage detection.

Disclosure of Invention

In order to solve the problems, the application provides an oil well oil leakage detection device based on a visual recognition technology, the success rate and the accuracy rate of oil leakage detection can be improved by using the device, and the phenomena of untimely oil leakage detection and missed judgment or misjudgment existing in the prior art are avoided.

The utility model provides an oil well oil leakage detection device based on a visual identification technology, which can be arranged on at least one side of an oil pumping unit and comprises an image acquisition device 1, an ultraviolet generation device 2 and a control unit 3, wherein the image acquisition device 1 comprises an image collector, an image processor and a filtering component, the image collector can acquire image information of an acquisition area 6 and send the image information to the image processor for processing, the filtering component comprises a filtering lens 11, a rotating shaft 12 and a driving unit 13, the filtering lens 11 is fixed on the rotating shaft 12 and can be shielded at the image collector, and the driving unit 13 can drive the rotating shaft 12 to rotate so as to drive the filtering lens 11 to rotate to enable the image collector to acquire light and shadow with specific wavelength in the acquisition area 6; the ultraviolet generating device 2 comprises an ultraviolet emitting module 21, the ultraviolet emitting module 21 is used for emitting ultraviolet rays to the irradiation area 5, and the ultraviolet rays irradiate on the crude oil to generate stimulated fluorescence; the control unit 3 contains controller and wireless signal transceiver module, the controller with image acquisition device 1 and ultraviolet generating device 2 electrical connection, wherein, controller control drive unit 13 starts, or, controller control drive unit 13 and ultraviolet emission module 21 start in step, wireless signal transceiver module is used for sending the image information after image processor handles to the host computer, and is used for transmitting the instruction accuse instruction that the host computer sent to the controller.

As a preferable scheme of the present application, the range of the irradiation region 5 is less than or equal to the range of the collection region 6, when the range of the irradiation region 5 is less than the range of the collection region 6, a steering assembly is arranged on the ultraviolet generating device 2, the steering assembly is at least arranged on one side of the ultraviolet emitting module 21 and is used for driving the ultraviolet emitting module 21 to rotate so as to change the irradiation region 5, the steering assembly comprises a gear transmission mechanism 22 and a driving mechanism 23, and the driving mechanism 23 is electrically connected with the control unit 3.

As a preferred solution of the present application, the ultraviolet generating device 2 includes an ultraviolet radiation intensity detecting unit 25, the ultraviolet radiation intensity detecting unit 25 is disposed on one side of the ultraviolet radiation module 21, and is configured to detect the intensity of the ultraviolet radiation emitted by the ultraviolet radiation module 21 and detect the intensity of the ultraviolet radiation in the current environment, and when the intensity of the ultraviolet radiation in the current environment meets the requirement, the ultraviolet radiation module 21 does not need to be started when the filtered and ultraviolet-irradiated image is obtained.

As the preferred scheme of this application, ultraviolet generating device 2 still contains live body biological detection module 26 and/or alarm module 27, live body biological detection module 26 is used for detecting whether there is human or animal to break into in irradiation zone 5 before starting ultraviolet emission module 21, alarm module 27 is used for carrying out long-range or on-the-spot warning to warning personnel or animal keep away from irradiation zone 5, perhaps, remind near staff in time to handle the oil leak phenomenon.

As a preferred scheme of the present application, the filtering lens 11 can obtain light in the UVA band, that is, light with a wavelength between 320nm and 380nm after filtering; and/or the wavelength of the excited fluorescence is 300nm-380 nm.

As a preferable aspect of the present application, the living organism detection module (26) includes at least one of an acoustic wave detection unit or an infrared detection unit; and/or the ultraviolet generating device (2) comprises an acceleration sensing module which is electrically connected with the controller, and the acceleration sensing module can sense whether the ultraviolet generating device (2) is inclined so as to ensure that the irradiation area (5) corresponds to the collection area (6).

Compared with the prior art, the oil leakage detection device in the application has the main advantages that: based on the fluorescence of the crude oil and by the mode of arranging the filter lens 11 and the ultraviolet emission module 21, the image collector can obtain the image information under the specific wavelength, if the crude oil leaks, a fluorescence point can appear in the collected image information, so that the accuracy and timeliness of the crude oil leakage detection can be improved, and the phenomena of untimely oil leakage detection and missed or erroneous judgment in the prior art are avoided; meanwhile, the oil leakage detection device is also provided with a living body biological detection module 26 and/or an acceleration sensing module, the ultraviolet emission module 21 can be started under the condition that no human or animal exists in the irradiation region 5 by utilizing the movable biological detection module, and the irradiation region 5 of the ultraviolet emission module 21 can be ensured to be in a specific range by utilizing the acceleration sensing module, so that the use safety of the oil leakage detection device is improved.

Drawings

Fig. 1 is a schematic front view of an oil leakage detection apparatus for an oil well according to an embodiment of the present invention.

Fig. 2 is another schematic front view of an oil leakage detection apparatus for an oil well according to an embodiment of the present invention.

Fig. 3 is a schematic side view of an image capturing device according to an embodiment of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 3 according to a first embodiment of the present invention.

Fig. 5 is a schematic front view of an image capturing device according to an embodiment of the present invention.

Fig. 6 is a partially enlarged view of a portion B in fig. 5 according to a first embodiment of the present invention.

Fig. 7 is a schematic front view of an ultraviolet generating device according to an embodiment of the present invention.

Fig. 8 is a control schematic diagram between a control unit and each of the detection modules and the execution module according to the first embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a steering assembly disposed on an ultraviolet generating device according to a second embodiment of the present invention.

Fig. 10 is a control schematic diagram between the control unit and the driving mechanism according to the second embodiment of the present invention.

Reference numerals

The device comprises an image acquisition device 1, an acquisition cover 10, a filter lens 11, a rotating shaft 12, a driving unit 13, an ultraviolet generating device 2, a radiation cover 20, an ultraviolet emission module 21, a gear transmission mechanism 22, a driving mechanism 23, a transmission shaft 24, an ultraviolet irradiation intensity detection unit 25, a living organism detection module 26, an alarm module 27, a control unit 3, a support frame 4, an irradiation area 5 and an acquisition area 6.

Detailed Description

Example 1:

the embodiment provides an oil well oil leakage detection device based on a visual recognition technology, which is arranged on one side of an oil pumping unit when in use and is used for detecting whether the oil pumping unit leaks oil or not; specifically, the device includes an image acquisition device 1, an ultraviolet generating device 2 and a control unit 3, in this embodiment, the image acquisition device 1, the ultraviolet generating device 2 and the control unit 3 are disposed on the same support frame 4 (hereinafter referred to as an integrated arrangement), see fig. 1, wherein the specific arrangement positions or heights of the image acquisition device 1 and the ultraviolet generating device 2 are selected according to actual situations, this embodiment is not particularly limited, the integrated arrangement structure is not convenient to install, but is convenient to maintain and manage, but the integrated arrangement structure may have a problem that fluorescent spots in an acquired image are unclear or unobvious due to light reflection in actual use, in order to solve this problem, this embodiment preferably may fix the image acquisition device 1 and the ultraviolet generating device 2 on separate support frames 4 respectively (the control unit 3 is preferably but not limited to be disposed on the support frame 4 of the image acquisition device 1), referring to fig. 2, the image collecting device 1 and the ultraviolet generating device 2 are respectively fixed at two opposite positions during installation, so that the reflected light of the stimulated fluorescence generated by the ultraviolet irradiation on the crude oil can be collected by the image collecting device 1 more, thus improving the collecting precision and accuracy of the image collecting device 1, and meanwhile, the advantage of setting the image collecting device 1 and the ultraviolet generating device 2 as independent structures is that: when the collection area 6 (the maximum collection range of the image collector) of the image collection device 1 is large, the collection area 6 of the image collection device 1 can be realized by corresponding one group of image collection device 1 to a plurality of groups of ultraviolet generation devices 2, namely, the collection area 6 of the image collection device 1 is irradiated by the ultraviolet generation devices 2, or when the irradiation area 5 (the maximum irradiation range of the ultraviolet generation devices 2) of the ultraviolet generation devices 2 is large or variable, the collection area 6 of the image collection devices 1 can be irradiated by the ultraviolet generation devices 2 through a group of ultraviolet generation devices 2, so that the use cost of the device is reduced to a certain degree.

The image collecting device 1 comprises an image collector, an image processor and a filter component, wherein the image collector and the image processor are preferably fixed in a collecting cover 10 with an opening on one side, and the filter component is fixed at the opening of the collecting cover 10, in the embodiment, the image collector is a Charge Coupled Device (CCD) which can obtain image information (analog electrical signals) in a collecting area 6 and send the collected analog electrical signals to the image processor, in the embodiment, the image processor is an existing digital signal processing chip (DSP), the DSP can output images (videos or pictures) after carrying out a series of operations (color, brightness, white balance and the like) such as analog-to-digital conversion and processing on the received analog electrical signals, the filter component comprises a filter lens 11, a rotating shaft 12 and a driving unit 13, the filter lens 11 is fixed on the rotating shaft 12 and can be shielded at a probe of the image collector, referring to fig. 3-6, the filtering lens 11 is utilized to enable the image collector to collect light and shadow within a specific wavelength range, the driving unit 13 can drive the rotating shaft 12 to rotate to drive the filtering lens 11 to rotate so as to enable the image collector to obtain light and shadow within the specific wavelength range in the collecting area 6, that is, when the filtering lens 11 rotates along with the rotating shaft 12 and shields the probe of the image collector, the light and shadow obtained by the image collector do not include the light and shadow within the wavelength range filtered by the filtering lens 11, and when the filtering lens rotates along with the rotating shaft 12 and does not shield the probe of the image collector, the image collector collects light and shadow within the visible light range, in this embodiment, preferably, the filtering lens 11 can obtain light in the UVA band after filtering, that is, the light and shadow is between 320nm and 380nm, that is, when the filtering lens 11 shields the probe of the image collector, the image collector can only obtain light and shadow within the wavelength between 320nm and 380nm, in this embodiment, the driving unit 13 includes a stepping motor and a stepping motor driving module; the ultraviolet generating device 2 comprises an ultraviolet emitting module 21, preferably, the ultraviolet emitting module 21 is fixed in an ultraviolet cover with an opening on one side, referring to fig. 7, the ultraviolet emitting module 21 is used for emitting ultraviolet rays to the irradiation region 5 in the collection region 6, and the ultraviolet rays irradiated on the crude oil will generate stimulated fluorescence due to the fluorescence of the crude oil, and the wavelength of the stimulated fluorescence is between 300nm and 380nm through tests in this embodiment, the ultraviolet emitting module 21 comprises an ultraviolet lamp and an ultraviolet lamp driving module, wherein the radiation intensity of the ultraviolet lamp can be adjusted through the ultraviolet lamp driving module; the control unit 3 comprises a controller and a wireless signal transceiver module, and the control unit 3 is electrically connected with the image acquisition device 1 and the ultraviolet generation device 2, specifically, the stepping motor drive module and the ultraviolet lamp drive module are respectively connected with an I/O port of the controller, when in use, the controller only sends enable information to the stepping motor drive module through the I/O port (at this time, the ultraviolet intensity in the external environment meets the current requirement), or the controller simultaneously sends enable information to the stepping motor drive module and the ultraviolet emission module 21 through the I/O port, the stepping motor drive module receives the enable signal from the controller, then processes the enable signal to start the stepping motor and feeds back the working condition of the stepping motor to the controller, the ultraviolet emission module 21 receives the enable signal from the controller, then the enable signal is processed to start the ultraviolet lamp, the working condition of the ultraviolet lamp is fed back to the controller, the wireless signal transceiver module is used for sending the image information processed by the image processor to an upper computer and transmitting a command instruction sent by the upper computer to the controller, the wireless signal transceiver module is preferably an industrial grade wireless programming communication module of the maritime communication, the model is HTD-WR8003, the wireless communication module supports standard MODBUS protocols including MODBUS ASCII protocol and MODBUS RTU protocol, the system has the characteristics of long-distance communication, high stability, low failure rate, low cost and the like, provides rich peripheral interfaces (RS232\ RS485\ PPI \ Ethernet), and can transmit the acquired data in real time, meet the requirements of clients on data instantaneity and accuracy, and greatly reduce the labor intensity of personnel and the operation cost of enterprises; in this embodiment, the upper computer includes a video display unit, an image display unit, a human-computer interaction interface, and the like, and the upper computer may be a remote industrial personal computer or a mobile terminal such as a computer or a mobile phone.

In this embodiment, in order to save cost, the image acquisition device and the image processor may use the existing security camera disposed around the oil well.

In this embodiment, the extent of the irradiation region 5 is less than or equal to the extent of the acquisition region 6.

When in use, under normal conditions, the image collector, the image processor and the control unit 3 are used as a general security camera, the image collector collects images around the oil pumping unit and transmits the images to an upper computer, when the specified time or the preset time is reached (an instruction is preset in advance or sent manually on site), the control unit 3 starts the filtering component and the ultraviolet emission module 21, at the moment, the image collector obtains light and shadow information after being filtered and irradiated by ultraviolet rays, namely obtains light and shadow information with the wavelength of 300nm-380nm, converts the light and shadow information into an electric signal and transmits the electric signal to the image processor, the image processor outputs an image after processing the received electric signal and transmits the image to the control unit 3, the control unit 3 transmits the image to a remote upper computer, if a fluorescent point exists in the output image, the phenomenon of crude oil leakage is indicated, in this embodiment, in order to improve the detection precision and accuracy of the detection device, it is preferable that the image acquisition device 1 in this embodiment can acquire images in a plurality of time periods, the control unit 3 or the upper computer can compare the images in the plurality of time periods, and if the fluorescence points in the images in the plurality of time periods increase with the change of the time periods, it indicates that an oil leakage phenomenon must exist.

In conclusion, the detection device in the embodiment can improve the accuracy and timeliness of crude oil leakage detection, and avoid the phenomena of untimely oil leakage detection and missed judgment or misjudgment.

Further, in the present embodiment, in order to ensure that the intensity of the ultraviolet light emitted by the ultraviolet generating device meets the requirement, and in order to utilize the ultraviolet light in natural light and reduce the use cost of the ultraviolet generating device, it is preferable that the ultraviolet generating device 2 comprises an ultraviolet irradiation intensity detecting unit 25, the ultraviolet irradiation intensity detecting unit 25 is arranged at one side of the ultraviolet emitting module 21, and is used for detecting the intensity of the ultraviolet light emitted by the ultraviolet emitting module 21 and detecting the intensity of the ultraviolet light in the current environment, and when the intensity of the ultraviolet light in the current environment meets the requirement, the ultraviolet emitting module 21 does not need to be started when the filtered and ultraviolet irradiated image is obtained; in this embodiment, the UV irradiation intensity detecting unit 25 is preferably an existing UV irradiator, the model of the UV irradiator is preferably but not limited to LS129-UV-254, the power range of the UV irradiator of this model is 0-20000uW/cm2, a digital probe is adopted, an RS485 communication interface is provided, a standard MOBUS communication protocol is supported, a PLC can be connected to read data, that is, the UV irradiator of this model meets the requirements of this embodiment, in order to save the use cost, it is preferable to periodically detect the UV intensity of the UV emission module 21, and the UV irradiator is used only during detection, and at the same time, the UV irradiator can detect the UV intensities of the plurality of UV emission modules 21.

Further, in this embodiment, in order to improve the safety performance of the detection device, it is preferable that the ultraviolet generating device 2 further includes a living organism detecting module 26 and an alarm module 27, both the living organism detecting module 26 and the alarm module 27 are fixed in the ultraviolet housing and electrically connected to the control unit 3, in this embodiment, the living organism detecting module includes at least one of an acoustic wave detecting unit or an infrared detecting unit, before the ultraviolet emitting module 21 is started, the living organism detecting module 26 detects whether human or animal intrudes into the irradiation region 5, so as to prevent the human or animal from accidentally entering the irradiation region 5 and being damaged by ultraviolet rays; in this embodiment, the alarm module 27 includes at least one of a sound alarm and a light alarm, and the alarm module 27 can be used for performing remote or on-site alarm, on one hand, people or animals can be warned to be away from the irradiation region 5, and on the other hand, nearby workers are reminded of the oil leakage phenomenon of the current oil pumping unit, so that the nearby workers can timely deal with the oil leakage phenomenon; when the living body biological detector detects that no human or animal intrudes into the irradiation area 5, the controller can start the ultraviolet emission module 21, and when the living body biological detector detects that the human or animal intrudes into the irradiation area 5, the controller controls the alarm module 27 to give an alarm to warn that the human or animal is far away from the irradiation area 5, and meanwhile, the ultraviolet emission module 21 is not started; or, when detecting that the oil leakage phenomenon exists, the controller controls the alarm module 27 to give an alarm to remind nearby workers of dealing with the oil leakage phenomenon in time.

Further, in this embodiment, in order to improve the safety performance of the detection device, it is preferable that the ultraviolet generating device 2 includes an acceleration sensing module, the acceleration sensing module is electrically connected to the control unit 3, and the acceleration sensing module is used to sense whether the ultraviolet generating device 2 is inclined, so as to ensure that the irradiation region 5 corresponds to the collection region 6, and prevent the irradiation region 5 from moving to the outside of the collection region 6 due to the inclination of the ultraviolet generating device 2, so as to affect the collection precision and accuracy of the image collection device.

Referring to fig. 9, a control schematic diagram between the control unit 3 and each of the detecting module and the executing module is provided in the present embodiment.

Example 2:

compared with embodiment 1, the present embodiment is different in that, when the range of the irradiation region 5 is smaller than the range of the collection region 6, it is preferable that a steering assembly is provided on the ultraviolet generating device 2, the steering assembly is provided at least on one side of the ultraviolet emitting module 21, and is used for driving the ultraviolet emitting module 21 to rotate up and down and/or left and right to change the irradiation region 5, in the present embodiment, the steering assembly includes a gear transmission mechanism 22 and a driving mechanism 23, a transmission shaft 24 is connected to the gear transmission mechanism 22, and the ultraviolet generating device 2 is provided at a free end of the transmission shaft 24, in the present embodiment, it is preferable that the steering assembly drives the ultraviolet emitting module 21 to rotate left and right to change the irradiation region 5 (the up and down irradiation range is fixed), see fig. 9; in this embodiment, the gear transmission mechanism 22 is preferably a dual gear transmission mechanism 22, in this embodiment, the driving mechanism 23 is preferably a stepping motor and a stepping motor driving module, the stepping motor driving module is electrically connected to an I/O port of the controller, when in use, the controller sends an enable signal to the stepping motor driving module, the stepping motor driving module receives the enable signal from the controller, then the stepping motor is started after processing the enable signal, and the working condition of the stepping motor is fed back to the controller, and the stepping motor rotates to drive the transmission shaft 24 to synchronously rotate so as to drive the ultraviolet generating device 2 to rotate, see fig. 10; in this embodiment, the angle of each rotation of the ultraviolet generating device 2 can be preset in the controller, in this embodiment, the irradiation region 5 changed by the rotation of the ultraviolet generating device 2 is located in the collection region 6 of at least one group of image collecting devices 1, that is, one ultraviolet generating device 2 can irradiate the collection regions 6 of a plurality of image collecting devices 1, so that the number of the ultraviolet generating devices 2 can be reduced, and the use cost of the ultraviolet generating devices 2 can be reduced.

The foregoing is merely an example of the present invention and common general knowledge in the art of designing and describing specific structures and features has not been set forth herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the present invention, several modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of protection claimed in the present application shall be subject to the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. An oil well oil leakage detection device based on a visual identification technology is characterized by comprising an image acquisition device (1), an ultraviolet generation device (2) and a control unit (3), wherein the image acquisition device (1) comprises an image collector, an image processor and a filtering component, the image collector can acquire image information in an acquisition area (6) and send the image information to the image processor for processing, the filtering component comprises a filtering lens (11), a rotating shaft (12) and a driving unit (13), the filtering lens (11) is fixed on the rotating shaft (12) and can be shielded at a probe of the image collector, and the driving unit (13) can drive the rotating shaft (12) to rotate so as to drive the filtering lens (11) to rotate to enable the image collector to acquire light and shadow with specific wavelength or not; the ultraviolet generating device (2) comprises an ultraviolet emitting module (21), the ultraviolet emitting module (21) is used for emitting ultraviolet rays to an irradiation area (5) in the collection area (6), and the ultraviolet rays irradiate on the crude oil to generate stimulated fluorescence; the control unit (3) comprises a controller and a wireless signal transceiver module, the controller is electrically connected with the image acquisition device (1) and the ultraviolet generation device (2), and the wireless signal transceiver module is communicated with an upper computer.

2. The oil well oil leakage detection device based on the visual identification technology is characterized in that the range of the irradiation area (5) is less than or equal to that of the collection area (6), when the range of the irradiation area (5) is less than that of the collection area (6), the ultraviolet generating device (2) is provided with a steering assembly, the steering assembly is arranged on at least one side of the ultraviolet emitting module (21) and is used for driving the ultraviolet emitting module (21) to rotate so as to change the irradiation area (5), the steering assembly comprises a gear transmission mechanism (22) and a driving mechanism (23), and the driving mechanism (23) is electrically connected with the control unit (3).

3. The oil well oil leakage detection device based on the visual recognition technology as claimed in claim 2, wherein the ultraviolet ray generation device (2) comprises an ultraviolet irradiation intensity detection unit (25), the ultraviolet irradiation intensity detection unit (25) is arranged at one side of the ultraviolet ray emission module (21) and is used for detecting the intensity of the ultraviolet ray emitted by the ultraviolet ray emission module (21) and detecting the ultraviolet ray intensity in the current environment, and when the ultraviolet ray intensity in the current environment meets the requirement, the ultraviolet ray emission module (21) is not required to be started when the filtered and ultraviolet ray irradiated image is obtained.

4. An oil well oil leakage detection device based on visual identification technology according to any one of claims 1-3, characterized in that the ultraviolet generating device (2) further comprises a living organism detecting module (26) and/or an alarm module (27), the living organism detecting module (26) is used for detecting whether human or animal intrudes into the irradiation area (5) before the ultraviolet emitting module (21) is started, and the alarm module (27) is used for carrying out remote or on-site alarm to warn personnel or animals away from the irradiation area (5) or remind nearby staff to deal with oil leakage phenomenon in time.

5. The oil well leakage detection device based on visual identification technology according to any one of claims 1-3, characterized in that the filter lens (11) is capable of obtaining light in UVA band, i.e. light with wavelength between 320nm and 380 nm; and/or the wavelength of the excited fluorescence is 300nm-380 nm.

6. The oil well oil leakage detection device based on the visual identification technology as claimed in claim 4, wherein the filtering lens (11) is capable of obtaining light in UVA band after filtering, namely, the wavelength is between 320nm and 380 nm; and/or the wavelength of the excited fluorescence is 300nm-380 nm.

7. The visual identification technology-based oil well leakage detection apparatus according to claim 4, wherein the living organism detection module (26) comprises at least one of an acoustic wave detection unit or an infrared detection unit; and/or the ultraviolet generating device (2) comprises an acceleration sensing module which is electrically connected with the controller, and the acceleration sensing module can sense whether the ultraviolet generating device (2) is inclined so as to ensure that the irradiation area (5) corresponds to the collection area (6).