CN207081841U - Optics rain sensor - Google Patents
Optics rain sensor Download PDFInfo
- Publication number
- CN207081841U CN207081841U CN201721142928.9U CN201721142928U CN207081841U CN 207081841 U CN207081841 U CN 207081841U CN 201721142928 U CN201721142928 U CN 201721142928U CN 207081841 U CN207081841 U CN 207081841U
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- circuit board
- transparent
- collet
- shade
- photodiode
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Abstract
It the utility model is related to a kind of optics rain sensor, it is characterised in that：Including collet, the top spiral-lock of collet has semi-circle shaped transparent cover, the inner surface of translucent cover is uniformly provided with four transparent boss, the top surface and plane-parallel of transparent boss, circuit board is provided with the space that translucent cover is formed with collet, circuit board is provided with power module, CPU, toggle switch, drive module, amplifier, output module, infraluminescence pipe and photodiode, the quantity of infraluminescence pipe and photodiode is respectively two, arranged on circuit boards in cross after one-to-one corresponding, black shading sleeve is provided between circuit board and four transparent boss, black shading sleeve is made up of middle part annular ring and four shades, each corresponding transparent boss of shade, circuit board and transparent boss clamp shade wherein, and shade covers on the outside of infraluminescence pipe or photodiode.Its simple in construction, small volume, easy to carry, using flexible is reliable, and measurement accuracy is high.
Description
Technical field
Meteorologic survey instrument is the utility model is related to, particularly a kind of optics rain sensor.
Background technology
Traditional tipping-bucket rain-gauge and to drip general instrument etc. complicated, need waterproof, antifreeze and clever when measuring the amount of rainfall
Sensitivity is low, and use is also dumb.
The content of the invention
The purpose of this utility model is to provide for a kind of simple in construction, small volume, optics rainfall easy to carry sensing
Device, compared with traditional tipping-bucket rain-gauge and dripping general instrument, using flexible is reliable, and measurement accuracy is high.
The technical solution of the utility model is：
A kind of optics rain sensor, it is characterised in that：Including the circular collet with handle, the top of the collet is detained
Equipped with semi-circle shaped transparent cover, the inner surface of the translucent cover is uniformly provided with four transparent boss, institute by symmetrical centre of its center
The top surface and plane-parallel of transparent boss are stated, circuit board, the circuit are provided with the space that the translucent cover is formed with collet
Plate is provided with power module, the CPU being connected with power module, the toggle switch being connected with CPU, drive module, amplifier, output
Module, the infraluminescence pipe being connected with drive module, the photodiode being connected with amplifier, the infraluminescence pipe and photoelectricity
The quantity of diode is respectively two, after one-to-one corresponding on circuit boards in cross arrange, the circuit board and four it is transparent
Black shading sleeve is provided between boss, the black shading sleeve is by middle part annular ring and is uniformly distributed in middle part annular ring surrounding
Four shade compositions, the corresponding transparent boss of each shade, shade is clamped it by the circuit board and transparent boss
In, and shade covers on the outside of infraluminescence pipe or photodiode, the CPU sends out infraluminescence pipe by drive module
Light, the light sent are received through translucent cover by corresponding photodiode, then by sending CPU to after amplifier amplifies signals.
Above-mentioned optics rain sensor, the circuit board center are provided with the light emitting diode in parallel with output module, use
Reach setting value in intuitively display rainfall.
Above-mentioned optics rain sensor, backing plate is provided between the circuit board and collet, in order to adjust gap.
Above-mentioned optics rain sensor, fixed between the translucent cover and collet using mode connects for screw, the translucent cover
Inner surface has the connecting pole of screw fit.
The beneficial effects of the utility model are：
1st, the raindrop of transparent cover outer surface are touched using optical principle detection, make the pole of photoelectricity two by raindrop of different sizes
The strong and weak different principle for the light that pipe receives, raindrop size is identified, then after CPU is accumulated to setting rainfall, by exporting
Module is exported, and is reminded by light emitting diode, and light, power technology are combined, surveyed using the change of the reflection of light, refraction and scattering
Rainfall is measured, its error is less than or equal to 5%, and accuracy of detection is high, using reliable.
2nd, small volume, it is easy to carry, it is easy to use, toggle switch setting measurement sensitivity can be utilized as needed,
Can be in hand-held measurement rainfall on the move, using flexible.
3rd, semi-circle shaped transparent cover utilizes the two pairs of transparent boss in inner side, and peculiar light path is provided for transmitting light and reception optical device,
Ingenious in design, black shading sleeve makes optical registration transmitting or receiving position and prevents light direct beam from influenceing raindrop measurement to receiver.
4th, semi-circle shaped transparent cover surface waterproofing, and with being provided with backing plate at collet cooperation, during use semi-circle shaped transparent cover upward,
It will not intake, not influenceed by rainwater collision.
5th, without mechanical fitting, fault rate is low, realize substantially it is non-maintaining, without field calibration.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is A-A profiles in Fig. 1；
Fig. 3 is the structural representation of black shading sleeve of the present utility model；
Fig. 4 is circuit theory diagrams of the present utility model.
In figure：1. handle, 2. translucent covers, 3. transparent boss, 4. light emitting diodes, 5. black shading sleeves, 501. middle part rings
Shape circle, 502. shades, 6. collets, 7. backing plates, 8. circuit boards, 9. photodiodes, 10. infraluminescence pipes.
Embodiment
As Figure 1-Figure 4, the optics rain sensor, including the circular collet 6 with handle 1, the collet 6 it is upper
Square spiral-lock has semi-circle shaped transparent cover 2.The inner surface of the translucent cover 2 using its center as symmetrical centre be uniformly provided with four it is transparent convex
Platform 3, the top surface and plane-parallel of the transparent boss 3.Circuit board is provided with the space that the translucent cover 2 is formed with collet 6
8, the circuit board 8 be provided with power module, be connected with power module CPU, be connected with CPU toggle switch, drive module,
Amplifier, output module, the infraluminescence pipe 10 being connected with drive module, be connected with amplifier be used for receive infraluminescence pipe
The photodiode 9 of 10 light sent.The quantity of the infraluminescence pipe 10 and photodiode 9 is respectively two, one a pair
Arranged after answering on circuit board 8 in cross, black shading sleeve 5, institute are provided between the circuit board 8 and four transparent boss 3
Black shading sleeve 5 is stated to be made up of with four shades 502 for being uniformly distributed in the middle part surrounding of annular ring 501 middle part annular ring 501,
Each corresponding transparent boss 3 of shade 502, the circuit board 8 and transparent boss 3 clamp shade 502 wherein, and hide
The ring of light 502 covers on the outside of infraluminescence pipe 10 or photodiode 9.The CPU makes infraluminescence pipe 10 by drive module
Luminous, the light sent is received through translucent cover 2 by corresponding photodiode 9, then by sending CPU to after amplifier amplifies signals,
Exported after CPU analyses calculate, the center of circuit board 8 is provided with the light emitting diode 4 in parallel with output module, for intuitively aobvious
Show that rainfall reaches setting value, at the same for monitoring device whether normal operation.Pad is provided between the circuit board 8 and collet 6
Plate 7, in order to adjust gap.Fixed between the translucent cover 2 and collet 6 using mode connects for screw, the inner surface of translucent cover 2 is set
There is the connecting pole (being omitted in figure) of screw fit.
The utility model utilizes reflection, refraction and the scattering principle of light, draws when raindrop touch the outer surface of translucent cover 2
The change of light path is played, is changed so that receiving light, to realize detection rainfall.The present embodiment uses 890nm infrared light
As detection light source, receiving device uses the silicon photo diode to match with infrared light.
Claims (4)
- A kind of 1. optics rain sensor, it is characterised in that：Including the circular collet with handle, the top spiral-lock of the collet There is semi-circle shaped transparent cover, the inner surface of the translucent cover is uniformly provided with four transparent boss by symmetrical centre of its center, described The top surface and plane-parallel of transparent boss, the translucent cover in the space of collet formation with being provided with circuit board, the circuit board The CPU for be provided with power module, being connected with power module, the toggle switch, drive module, amplifier, the output mould that are connected with CPU Block, the infraluminescence pipe being connected with drive module, the photodiode being connected with amplifier, the infraluminescence pipe and photoelectricity two The quantity of pole pipe is respectively two, is arranged on circuit boards in cross after one-to-one corresponding, and the circuit board is transparent convex with four It is provided with black shading sleeve between platform, the black shading sleeve is by middle part annular ring and is uniformly distributed in the four of middle part annular ring surrounding Individual shade composition, the corresponding transparent boss of each shade, the circuit board and transparent boss clamp shade wherein, And shade covers on the outside of infraluminescence pipe or photodiode, the CPU makes infraluminescence pipe light by drive module, The light sent is received through translucent cover by corresponding photodiode, then by sending CPU to after amplifier amplifies signals.
- 2. optics rain sensor according to claim 1, it is characterised in that：The circuit board center is provided with exporting mould Block light emitting diode in parallel.
- 3. optics rain sensor according to claim 1, it is characterised in that：Pad is provided between the circuit board and collet Plate.
- 4. optics rain sensor according to claim 1, it is characterised in that：Spiral shell is utilized between the translucent cover and collet Nail is connected, and the transparent cover inner surface has the connecting pole of screw fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721142928.9U CN207081841U (en) | 2017-09-07 | 2017-09-07 | Optics rain sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721142928.9U CN207081841U (en) | 2017-09-07 | 2017-09-07 | Optics rain sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207081841U true CN207081841U (en) | 2018-03-09 |
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ID=61419226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721142928.9U Active CN207081841U (en) | 2017-09-07 | 2017-09-07 | Optics rain sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207081841U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111717163A (en) * | 2019-03-20 | 2020-09-29 | 力特保险丝公司 | Optical rain sensor |
| CN114325883A (en) * | 2022-03-08 | 2022-04-12 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Rainfall monitoring device of rainstorm inducing type geological disaster |
-
2017
- 2017-09-07 CN CN201721142928.9U patent/CN207081841U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111717163A (en) * | 2019-03-20 | 2020-09-29 | 力特保险丝公司 | Optical rain sensor |
| CN114325883A (en) * | 2022-03-08 | 2022-04-12 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Rainfall monitoring device of rainstorm inducing type geological disaster |
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