CN203824952U - Grid type rain and snow sensor - Google Patents
Grid type rain and snow sensor Download PDFInfo
- Publication number
- CN203824952U CN203824952U CN201420132338.8U CN201420132338U CN203824952U CN 203824952 U CN203824952 U CN 203824952U CN 201420132338 U CN201420132338 U CN 201420132338U CN 203824952 U CN203824952 U CN 203824952U
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- heating
- sensor
- ecu
- resistance wire
- heating plate
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Abstract
The utility model provides a grid type rain and snow sensor, relating to the technical field of detection. The sensor is characterized in that a metal grid comprises anti-oxidation concentric metal rings with diameters being 0.1mm and adjacent interval being 0.3mm, wherein corresponding pins are arranged outside an ECU (electric control unit) and used for connecting the metal grid and a heat device; the heat device consists of a heating plate, a resistance wire and a controller; the heating plate is rectangular and is made of a material which has good heat conductivity and no electric conduction; the resistance wire is distributed inside the heat plate in a grid shape; the controller is connected with the resistance wire and used for controlling heating; a user interface is connected with the ECU, and a user can remotely monitor the rain and snow situations by means of the interface. The sensor for detecting rain and snow provided by the utility model can be used for solving the problem that an existing rain and snow sensor is easily disturbed by illumination intensity, temperature and other external factors, is high in accuracy, small in volume, convenient to assemble, long in transmission distance, strong in interference resistance, reasonable in structural design, long in service life and good in sealing property.
Description
Technical field
The utility model relates to detection technique field, relates to a kind of sensor, particularly a kind of sleet sensor.
Background technology
Existing sleet sensor, if photo-electric sleet sensor is to utilize infrared reception and emitter to monitor sleet, is easily subject to the interference of extraneous light, thereby causes monitoring result inaccurate; Capacitive rain ice sensor is to monitor sleet by the equivalent capacitance value of monitoring carrier surface, and its capacitance is easily subject to the impact of ambient temperature, causes testing result out of true.
Summary of the invention
The utility model proposes a kind of grating type sleet sensor, solved prior art moderate rain ice sensor and be subject to the problem that many extraneous factors such as intensity of illumination, temperature are disturbed.The technical solution of the utility model is as follows:
A kind of grating type sleet sensor, comprise: metallic grid, intelligent microprocessor ECU, wire, heating control apparatus, heating resistor, heating plate, user interface, it is characterized in that: described metallic grid is to be 0.1mm by diameter d, the anti-oxidant concentric metal ring that adjacent distance s is 0.3mm forms; Described wire one end is connected to metallic grid below, and the other end is connected on intelligent microprocessor ECU; Described intelligent microprocessor ECU outside is provided with corresponding pin, in order to connect induction sleet signal metal grid and heating arrangement; Described heating arrangement, is comprised of heating plate, resistance wire and controller; Described heating plate is rectangular shape, adopts good heat conductivity but non electrically conductive material is made; Described resistance wire distributes as net shape inner at heating plate; Described controller is connected with resistance wire, in order to control heating; Described user interface is connected with ECU, and user can pass through this interface remote monitoring sleet situation.
The utility model is the advantage of prior art relatively:
1, this grating type sleet sensor can be got rid of the interference of many extraneous factors such as temperature, intensity of illumination well, and precision is high.
2, input line resistance is high, good stability, and volume is little, easy for installation, and transmission range is long, and antijamming capability is strong.
3, reasonable in design, long service life, good airproof performance.
4, grid material has lightweight, anti-oxidant, easy shaping, the advantage such as wear-resisting.
Accompanying drawing explanation
Fig. 1 is the workflow diagram of a kind of grating type sleet sensor of the present utility model.Fig. 2 is the one-piece construction schematic diagram of a kind of grating type sleet sensor of the present utility model.Fig. 3 is grating sensor part-structure figure and vertical view.Fig. 4 is grating sensor part left view.Fig. 5 is that the A-A of Fig. 4 is to cut-open view.
Embodiment
1, grating sensor; 2, intelligent microprocessor ECU; 3, heating arrangement; 4, user interface; 5, heating plate; 6, latticed resistance wire; 7, heating arrangement controller; 8, ECU pin group.
Below in conjunction with embodiment accompanying drawing, the utility model is described further.
As shown in Fig. 1,2,3,4,5, sleet sensor described in the utility model comprises: metallic grid, a-i binding post, intelligent microprocessor ECU, pin group 8, wire, heating control apparatus, heating resistor, heating plate, user interface.
Described intelligent microprocessor ECU has pre-programmed sleet monitoring facilities and timing program.When without sleet, monitoring port presents low level state; When sleeting, electric conductivity due to sleet, adjacent tinsel is switched on, wire, a-i binding post (as shown in Figure 2), ECU and the respective pins group built-in with its below form closed-loop path, ECU just can detect sleet signal, now monitoring port becomes high level state, and timing program brings into operation, and timing starts.ECU sends heating signal to heating arrangement simultaneously; When can't detect sleet signal, monitoring port becomes again low level state again, and timing finishes, and ECU stops sending heating signal to heating arrangement.Described heating arrangement 3, by good heat-transfer but nonconducting rectangular parallelepiped heating plate 5 and the latticed resistance wire 6 and the controller 7 that are attached to heating plate inside form.Described rectangular parallelepiped heating plate has the feature of flash heat transfer and insulation, is arranged on the below of metallic grid.In the inside of rectangular parallelepiped heating plate, be embedded with latticed resistance wire (as shown in Figure 5), when heating control apparatus receives the heating signal from ECU, just connect heater circuit, resistive heater, rectangular parallelepiped heating plate is heated up rapidly, dry and be attached to the sleet on metallic grid in time, get rid of the interference that sleet adheres to, the normal operation of safeguards system, guarantees can remain dry at sleet later sensor.User can pass through user interface remote monitoring sleet situation.
The utility model is mainly to provide a kind of sensor that is applied to detect sleet, in order to solve in existing sleet sensor detecting, is subject to many extraneous factor interference problems such as intensity of illumination, temperature.Precision is high, and input line resistance is high, good stability, and volume is little, easy for installation, and transmission range is long, and antijamming capability is strong, reasonable in design, long service life, good airproof performance.The foregoing is only preferred embodiment of the present utility model; every any modification and improvement of doing within spirit of the present utility model and principle; as the shape of metallic grid also can be used concentric quadrangle form etc., within all should being included in protection domain of the present utility model.
Claims (1)
1. a grating type sleet sensor, comprise metallic grid, intelligent microprocessor ECU, wire, heating control apparatus, heating resistor, heating plate, user interface, it is characterized in that: described metallic grid is to be 0.1mm by diameter d, the anti-oxidant concentric metal ring that adjacent distance s is 0.3mm forms; Described wire one end is connected to metallic grid below, and the other end is connected on intelligent microprocessor ECU; Described intelligent microprocessor ECU outside is provided with corresponding pin, in order to connect induction sleet signal metal grid and heating arrangement; Described heating arrangement, is comprised of heating plate, resistance wire and controller; Described heating plate is rectangular shape, adopts good heat conductivity but non electrically conductive material is made; Described resistance wire distributes as net shape inner at heating plate; Described controller is connected with resistance wire, in order to control heating; Described user interface is connected with ECU, and user can pass through this interface remote monitoring sleet situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132338.8U CN203824952U (en) | 2014-03-20 | 2014-03-20 | Grid type rain and snow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132338.8U CN203824952U (en) | 2014-03-20 | 2014-03-20 | Grid type rain and snow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824952U true CN203824952U (en) | 2014-09-10 |
Family
ID=51480435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420132338.8U Expired - Fee Related CN203824952U (en) | 2014-03-20 | 2014-03-20 | Grid type rain and snow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203824952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115185018A (en) * | 2022-07-12 | 2022-10-14 | 中庆建设有限责任公司 | Road rain and snow sensing device and road rain and snow judging method |
-
2014
- 2014-03-20 CN CN201420132338.8U patent/CN203824952U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115185018A (en) * | 2022-07-12 | 2022-10-14 | 中庆建设有限责任公司 | Road rain and snow sensing device and road rain and snow judging method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150320 |
|
| EXPY | Termination of patent right or utility model |