CN213399900U - Mountain fire monitoring devices - Google Patents
Mountain fire monitoring devices Download PDFInfo
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- CN213399900U CN213399900U CN202022205788.3U CN202022205788U CN213399900U CN 213399900 U CN213399900 U CN 213399900U CN 202022205788 U CN202022205788 U CN 202022205788U CN 213399900 U CN213399900 U CN 213399900U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 21
- 238000003384 imaging method Methods 0.000 claims abstract description 35
- 239000011521 glass Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000003760 hair shine Effects 0.000 abstract 1
- 229910002601 GaN Inorganic materials 0.000 description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 238000010411 cooking Methods 0.000 description 2
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- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000000779 smoke Substances 0.000 description 1
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Abstract
The utility model discloses a mountain fire monitoring devices, through the shell, visible light imaging module, the ultraviolet camera lens, ultraviolet unit detector, signal acquisition circuit, master control circuit, the clear glass cover, double-sided speculum and rotary mechanism construct mountain fire monitoring devices, when using, rotary mechanism drives double-sided speculum at the horizontal plane internal rotation, the reflection light that double-sided speculum produced shines respectively on visible light camera lens and ultraviolet camera lens, signal acquisition circuit carries out real-time collection and generates the acquisition signal to the output ultraviolet signal of ultraviolet unit detector, master control circuit judges whether to have ultraviolet light in real time based on the acquisition signal, when there is ultraviolet light, rotary mechanism stall, visible light imaging module generates mountain fire visible light and background image, master control circuit obtains the processing image after carrying out image processing and sends to terminal equipment; the advantage is on the basis that has lower cost and higher detection accuracy, and the consumption is less, is difficult to appear the power supply interrupt condition.
Description
Technical Field
The utility model relates to a mountain fire monitoring technology especially relates to a mountain fire monitoring devices.
Background
The terrain of the areas where the power transmission lines used by the power grid in China are located is complex, mountain fire is easily caused by the unique terrain and landform and weather conditions of the areas, the safety of the power transmission lines can be affected by the occurrence of the mountain fire, and if effective precautionary measures are not taken to guarantee the safe operation of the power transmission lines, great hidden danger is brought to the safe operation of the power grid. In the prior art, an infrared imager is mostly adopted to monitor the forest fire. However, in the actual mountain fire detection process, there is a possibility that an automobile normally running on a road, cooking smoke for cooking in a village, normal production operation in a factory, and the like are mistaken as a fire heat source, and further a mountain fire false alarm is generated, which causes a serious false alarm and increases operation cost. In addition, because the infrared imager carries out the cost higher, use infrared imager to carry out mountain fire monitoring and be not convenient for popularize. Therefore, how to adopt lower cost to realize the monitoring of the forest fire, and have higher detection precision, can avoid the false alarm to become the problem that needs to be solved at present.
In order to solve the problem of false alarm, chinese patent No. 201520719704.4 discloses an ultraviolet mountain fire detection all-in-one machine, which comprises a control host, wherein the control host is electrically connected with a power supply device, an electricity storage device, a 360-degree holder, an ultraviolet flame detector, a camera and a wireless communication module, and the ultraviolet flame detector and the camera are installed on the 360-degree holder and are driven to rotate by the 360-degree holder. The ultraviolet forest fire detection all-in-one machine adopts the ultraviolet flame detector to replace the traditional infrared imager, and overcomes the defects that the infrared imager is high in cost and is easy to generate false alarm. However, when the ultraviolet mountain fire detection all-in-one machine adopts the 360-degree holder to carry the ultraviolet flame detector for monitoring, because the holder is adopted, and the general power consumption of the holder for mountain fire is between 10w and 50w, the power consumption is overlarge, if solar power supply is adopted, continuous rainy days and power supply interruption are inevitable, and if wind power generation is adopted on a tower, the condition of power supply interruption also occurs when wind is encountered.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a mountain fire monitoring devices is provided on the basis that has lower cost and higher detection precision, and the consumption is less, is difficult to appear the power supply interrupt condition.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a mountain fire monitoring device comprises a shell, a visible light imaging module, an ultraviolet lens, an ultraviolet unit detector, a signal acquisition circuit, a main control circuit, a transparent glass cover, a double-sided reflector and a rotating mechanism for driving the double-sided reflector to rotate in a horizontal plane, the ultraviolet lens can pass ultraviolet light with the wavelength of below 280nm, the transparent glass cover can transmit visible light and ultraviolet light with the wavelength of below 280nm, the visible light imaging module, the ultraviolet unit detector, the signal acquisition circuit and the main control circuit are respectively arranged in the shell, the ultraviolet unit detector is connected with the signal acquisition circuit, the visible light imaging module, the signal acquisition circuit and the rotating mechanism are respectively connected with the main control circuit, and the main control circuit is communicated with terminal equipment in a monitoring room through a wireless network; the shell is provided with a first opening and a second opening, the first opening is opposite to the visible light imaging module, the ultraviolet lens is embedded at the second opening, the optical axis of the visible light imaging module is parallel to that of the ultraviolet lens, the ultraviolet unit detector is positioned at the focus of the ultraviolet lens, the transparent glass cover is positioned outside the shell and opposite to the first opening and the second opening, the transparent glass cover is fixedly connected with the shell in a sealing mode, and the joint of the transparent glass cover and the shell is subjected to sealing treatment.
The visible light imaging module comprises a visible light lens, a visible light imaging device, a driving circuit for driving the visible light imaging device to work and a first motor for zooming or focusing the visible light lens, the visible light lens is connected with the first motor, the rotating mechanism comprises a second motor, a coupler and a mirror clamp, the double-sided reflector, the mirror clamp, the second motor and the coupler are respectively positioned in the transparent glass cover, the mirror clamp is positioned above the coupler and connected with the upper end of the coupler, the mirror clamp is positioned below the double-sided reflector, the mirror clamp is arranged at the center of the bottom of the double-sided reflector and used for fixing the double-sided reflector, and the lower end of the coupler is connected with the second motor, the main control circuit comprises a CPU, an image processing module, a 4G module, a first motor control module and a second motor control module, wherein the CPU is respectively connected with the image processing module, the 4G module, the first motor control module and the second motor control module, the image processing module is respectively connected with the 4G module and the driving circuit, and the 4G module is communicated with the terminal equipment through a wireless network; the CPU is connected with the signal acquisition circuit, the first motor control module is connected with the first motor, the first motor control module is used for driving the first motor to rotate under the control of the CPU to zoom or focus the visible light lens, the second motor control module is connected with the second motor, and the second motor control module is used for driving the second motor to rotate under the control of the CPU to drive the double-sided reflecting mirror to rotate in a horizontal plane. In this structure, adopt two-sided speculum and be used for driving the rotary mechanism of two-sided speculum at horizontal rotation, replace the cloud platform and carry on the scheme of detector, very big reduction the consumption, be difficult to appear the power supply interrupt condition.
The focal length of the ultraviolet lens is recorded as f, wherein 20mm < f <400mm, the field angle of the ultraviolet lens is recorded as beta, the field angle of the visible light lens is recorded as gamma, wherein 60 degrees is more than or equal to gamma and is more than or equal to 5 degrees, 2 degrees is less than or equal to beta and is less than or equal to 60 degrees, the distance between the optical axis of the visible light lens and the optical axis of the ultraviolet lens is recorded as L, and 20mm < L <500 mm. In the structure, when the optical axis of the visible light lens is parallel to the optical axis of the ultraviolet lens, the position of the central point of the visible light image generated by the visible light imaging module is consistent with the position of the central point of the ultraviolet discharge detection area (the central point of the visible light image is basically consistent or coincident after the optical axis distance is small and the optical axis distance is matched with the optical field angle), and when the field angle of the visible light lens is larger than or equal to the field angle of the ultraviolet lens, the relative position of the mountain fire in the background target can be conveniently judged.
The ultraviolet unit detector is any one of a GaN ultraviolet detector, a SiC ultraviolet detector and an ultraviolet photomultiplier, and the response waveband is below 280 nm. In the structure, the set wave band of the ultraviolet unit detector can respond to ultraviolet light penetrating through the ultraviolet lens.
The CPU is any one of an ARM, a singlechip, a DSP and an FPGA chip.
The transparent glass cover is U-shaped or semicircular.
Compared with the prior art, the mountain fire monitoring device has the advantages that the mountain fire monitoring device is constructed by the shell, the visible light imaging module, the ultraviolet lens, the ultraviolet unit detector, the signal acquisition circuit, the main control circuit, the transparent glass cover, the double-sided reflector and the rotating mechanism for driving the double-sided reflector to rotate in the horizontal plane, the ultraviolet lens can transmit ultraviolet light with the wavelength below 280nm, the transparent glass cover can transmit both visible light and ultraviolet light with the wavelength below 280nm, the visible light imaging module, the ultraviolet unit detector, the signal acquisition circuit and the main control circuit are respectively arranged in the shell, the ultraviolet unit detector is connected with the signal acquisition circuit, the visible light imaging module, the signal acquisition circuit and the rotating mechanism are respectively connected with a main control circuit, and the main control circuit is communicated with terminal equipment in a monitoring room through a wireless network; the shell is provided with a first opening and a second opening, the first opening is right opposite to the visible light imaging module, the ultraviolet lens is embedded at the second opening, the optical axis of the visible light imaging module is parallel to that of the ultraviolet lens, the ultraviolet unit detector is located at the focus of the ultraviolet lens, the transparent glass cover is located outside the shell and right opposite to the first opening and the second opening, the transparent glass cover is fixedly connected with the shell, the connection part of the transparent glass cover and the shell is sealed, when a worker generates a work instruction at a terminal device and sends the work instruction to the main control circuit, the mountain fire monitoring device enters a working state, the main control circuit controls the rotating mechanism to drive the double-sided reflector to periodically rotate in the horizontal plane, the double-sided reflector reflects light rays generated by a target located in a reflection area of the double-sided reflector to generate reflected light rays, the reflected light rays respectively irradiate the visible light imaging module and the ultraviolet lens, the signal acquisition circuit acquires output signals of the ultraviolet unit detector in real time Giving a main control circuit, wherein the main control circuit judges whether ultraviolet light exists in real time based on the acquisition signals acquired by the signal acquisition circuit, when the light generated by the target does not include the ultraviolet light, no ultraviolet light penetrates through the ultraviolet lens, the ultraviolet unit detector cannot detect the ultraviolet light, the main control circuit judges that the ultraviolet light does not exist currently, and the current working state of the rotating mechanism is unchanged at the moment; when the light generated by the target comprises ultraviolet light, the ultraviolet light is converged on the ultraviolet unit detector after penetrating through the ultraviolet lens, the ultraviolet unit detector detects the ultraviolet light, the main control circuit judges that the ultraviolet light exists at present, the main control circuit controls the rotating mechanism to stop working at the moment, then the visible light imaging module is controlled to generate visible light in the forest fire and a background image thereof, the main control circuit processes the visible light in the forest fire and the background image thereof to obtain a processed image and sends the processed image to the terminal equipment, and the forest fire monitoring is realized, therefore, the utility model adopts the shell, the visible light imaging module, the ultraviolet lens, the ultraviolet unit detector, the signal acquisition circuit, the main control circuit, the transparent glass cover, the double-sided reflector and the rotating mechanism to replace the traditional expensive infrared imager, the detection cost is reduced, the popularization in a basic layer is convenient, and the double-sided reflector and the rotating mechanism for driving the double, the scheme of carrying the detector by the holder is replaced, power consumption is greatly reduced, the situation of power supply interruption is not easy to occur, in addition, ultraviolet light with the wavelength below 280nm is detected, the interference of sunlight and fluorescent lamps in the wave band is avoided, the false alarm rate is low, and the detection precision is high.
Drawings
Fig. 1 is a structural diagram of the mountain fire monitoring device of the present invention;
fig. 2 is a block diagram of the main control circuit of the mountain fire monitoring device of the present invention.
Detailed Description
The utility model discloses a mountain fire monitoring devices, it is right below with the embodiment of the attached drawing the utility model discloses a mountain fire monitoring devices does further detailed description.
Example (b): as shown in fig. 1 and 2, a mountain fire monitoring device comprises a housing 1, a visible light imaging module 2, an ultraviolet lens 3, an ultraviolet unit detector 4, a signal acquisition circuit 5, a main control circuit 6, a transparent glass cover 7, a double-sided reflector 8 and a rotating mechanism for driving the double-sided reflector 8 to rotate in a horizontal plane, wherein the ultraviolet lens 3 can pass ultraviolet light with a wavelength below 280nm, the transparent glass cover 7 can pass both visible light and ultraviolet light with a wavelength below 280nm, the visible light imaging module 2, the ultraviolet unit detector 4, the signal acquisition circuit 5 and the main control circuit 6 are respectively arranged in the shell 1, the ultraviolet unit detector 4 is connected with the signal acquisition circuit 5, the visible light imaging module 2, the signal acquisition circuit 5 and the rotating mechanism are respectively connected with a main control circuit 6, and the main control circuit 6 is communicated with terminal equipment in a monitoring room through a wireless network; first opening and second opening have been seted up on shell 1, first opening is just to visible light imaging module 2, ultraviolet camera lens 3 inlays to be established at the second opening part, the optical axis of visible light imaging module 2 and the optical axis of ultraviolet camera lens 3 are parallel, ultraviolet unit detector 4 is located the focus department of ultraviolet camera lens 3, transparent glass cover 7 is located shell 1 outside and just to first opening and second opening, transparent glass cover 7 is sealed with shell 1 fixed connection and junction between them and is handled.
In this embodiment, the visible light imaging module 2 includes a visible light lens, a visible light imaging device, a driving circuit for driving the visible light imaging device to work, and a first motor 9 for zooming or focusing the visible light lens, the visible light lens is connected to the first motor 9, the rotating mechanism includes a second motor 10, a coupler 11, and a mirror clamp 12, the double-sided mirror 8, the mirror clamp 12, the second motor 10, and the coupler 11 are respectively located in the transparent glass cover 7, the mirror clamp 12 is located above the coupler 11 and connected to the upper end of the coupler 11, the mirror clamp 12 is located below the double-sided mirror 8, the mirror clamp 12 is installed at the center of the bottom of the double-sided mirror 8 and used for fixing the double-sided mirror 8, the lower end of the coupler 11 is connected to the second motor 10, the main control circuit 6 includes a CPU, an image processing module, a 4G module, a first motor control module, and a second motor control module, the CPU is respectively connected with the image processing module, the 4G module, the first motor control module and the second motor control module, the image processing module is respectively connected with the 4G module and the driving circuit, and the 4G module is communicated with the terminal equipment through a wireless network; the CPU is connected with the signal acquisition circuit 5, the first motor control module is connected with the first motor 9, the first motor control module is used for driving the first motor 9 to rotate under the control of the CPU to zoom or focus the visible light lens, the second motor control module is connected with the second motor 10, and the second motor control module is used for driving the second motor 10 to rotate under the control of the CPU to drive the double-sided reflecting mirror 8 to rotate in a horizontal plane.
In this embodiment, the focal length of the ultraviolet lens 3 is denoted as f, where 20mm < f <400mm, the field angle of the ultraviolet lens 3 is denoted as β, the field angle of the visible light lens is denoted as γ, where 60 ° ≧ γ >5 °, 2 ° < β ≦ 60 °, and γ ≧ β, and the distance between the optical axis of the visible light lens and the optical axis of the ultraviolet lens 3 is denoted as L, where 20mm < L <500 mm.
In this embodiment, the ultraviolet unit detector 4 is any one of a GaN (gallium nitride) ultraviolet detector and a SiC (silicon carbide) ultraviolet detector, and the response band is below 280 nm.
In this embodiment, the CPU, the image processing module, the 4G module, the first motor control module, and the second motor control module are all implemented by using mature products in the technical field thereof, and the CPU is any one of an ARM, a single chip microcomputer, a DSP, and an FPGA chip.
In this embodiment, the transparent glass cover 7 is U-shaped or semicircular.
Claims (6)
1. A mountain fire monitoring device is characterized by comprising a shell, a visible light imaging module, an ultraviolet lens, an ultraviolet unit detector, a signal acquisition circuit, a main control circuit, a transparent glass cover, a double-sided reflector and a rotating mechanism for driving the double-sided reflector to rotate in a horizontal plane, wherein the ultraviolet lens can pass ultraviolet light with the wavelength of below 280nm, the transparent glass cover can transmit visible light and ultraviolet light with the wavelength of below 280nm, the visible light imaging module, the ultraviolet unit detector, the signal acquisition circuit and the main control circuit are respectively arranged in the shell, the ultraviolet unit detector is connected with the signal acquisition circuit, the visible light imaging module, the signal acquisition circuit and the rotating mechanism are respectively connected with the main control circuit, the main control circuit is communicated with the terminal equipment in the monitoring room through a wireless network; the shell is provided with a first opening and a second opening, the first opening is opposite to the visible light imaging module, the ultraviolet lens is embedded at the second opening, the optical axis of the visible light imaging module is parallel to that of the ultraviolet lens, the ultraviolet unit detector is positioned at the focus of the ultraviolet lens, the transparent glass cover is positioned outside the shell and opposite to the first opening and the second opening, the transparent glass cover is fixedly connected with the shell, and the joint of the transparent glass cover and the shell is sealed.
2. The mountain fire monitoring device according to claim 1, wherein the visible light imaging module comprises a visible light lens, a visible light imaging device, a driving circuit for driving the visible light imaging device to operate, and a first motor for zooming or focusing the visible light lens, the visible light lens is connected to the first motor, the rotating mechanism comprises a second motor, a coupler, and a mirror clip, the double-sided mirror, the mirror clip, the second motor, and the coupler are respectively located in the transparent glass cover, the mirror clip is located above the coupler and connected to the upper end of the coupler, the mirror clip is located below the double-sided mirror, the mirror clip is installed at the center of the bottom of the double-sided mirror for fixing the double-sided mirror, the lower end of the coupler is connected with the second motor, the main control circuit comprises a CPU, an image processing module, a 4G module, a first motor control module and a second motor control module, the CPU is respectively connected with the image processing module, the 4G module, the first motor control module and the second motor control module, the image processing module is respectively connected with the 4G module and the driving circuit, and the 4G module is communicated with the terminal equipment through a wireless network; the CPU is connected with the signal acquisition circuit, the first motor control module is connected with the first motor, the first motor control module is used for driving the first motor to rotate under the control of the CPU to zoom or focus the visible light lens, the second motor control module is connected with the second motor, and the second motor control module is used for driving the second motor to rotate under the control of the CPU to drive the double-sided reflecting mirror to rotate in a horizontal plane.
3. The mountain fire monitoring device according to claim 1, wherein the focal length of the ultraviolet lens is represented as f, wherein 20mm < f <400mm, the field angle of the ultraviolet lens is represented as β, the field angle of the visible light lens is represented as γ, wherein 60 ° < γ >5 °, 2 ° < β ≦ 60 °, and γ ≧ β, and the distance between the optical axis of the visible light lens and the optical axis of the ultraviolet lens is represented as L, wherein 20mm < L <500 mm.
4. The mountain fire monitoring device according to claim 1, wherein the ultraviolet unit detector is any one of a GaN ultraviolet detector and a SiC ultraviolet detector, and the response band is 280nm or less.
5. The mountain fire monitoring device as claimed in claim 2, wherein the CPU is any one of ARM, single chip, DSP and FPGA chip.
6. The mountain fire monitoring device according to claim 1, wherein the transparent glass cover is U-shaped or semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022205788.3U CN213399900U (en) | 2020-09-30 | 2020-09-30 | Mountain fire monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022205788.3U CN213399900U (en) | 2020-09-30 | 2020-09-30 | Mountain fire monitoring devices |
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| CN213399900U true CN213399900U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022205788.3U Withdrawn - After Issue CN213399900U (en) | 2020-09-30 | 2020-09-30 | Mountain fire monitoring devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114333206A (en) * | 2020-09-30 | 2022-04-12 | 宁波阿贝尼红外技术有限公司 | Mountain fire monitoring device and using method thereof |
-
2020
- 2020-09-30 CN CN202022205788.3U patent/CN213399900U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114333206A (en) * | 2020-09-30 | 2022-04-12 | 宁波阿贝尼红外技术有限公司 | Mountain fire monitoring device and using method thereof |
| CN114333206B (en) * | 2020-09-30 | 2023-11-21 | 宁波阿贝尼红外技术有限公司 | Mountain fire monitoring device and application method thereof |
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