CN201867204U - Snow melting sensor - Google Patents
Snow melting sensor Download PDFInfo
- Publication number
- CN201867204U CN201867204U CN2010205578392U CN201020557839U CN201867204U CN 201867204 U CN201867204 U CN 201867204U CN 2010205578392 U CN2010205578392 U CN 2010205578392U CN 201020557839 U CN201020557839 U CN 201020557839U CN 201867204 U CN201867204 U CN 201867204U
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Abstract
The utility model relates to a snow melting sensor. Two humidity sensors and two temperature sensors are arranged in a metallic shield housing, wherein one humidity sensor is used for detecting environment humidity and the other humidity sensor is used for detecting the humidity on the surface of the sensor when snowing; one temperature sensor is used for detecting environment temperature and the other temperature sensor is used for detecting the temperature on the surface of an object to be heated to melt snow, namely the temperature difference of the temperature on the surface before snow melting and the temperature on the surface during the snow melting process; a constant temperature heater (PTC (positive temperature coefficient) heater) is arranged in a snow-melting sensor and below a snow detecting sensor, enables the temperature of the surface detecting layer of the sensor to be kept at about 25 DEG C in a day in need of snow melting, so that the sensor can melt the snow flake as long as the flake falls on the surface of the sensor, and output a detection signal to a controller to serve as a reference judgment condition for the snow melting sensor; and the four-way sensing signals have five functions and enable the signals provided by the sensor to posses an intelligent analysis and judgment conditions, and if any one condition is not provided, the snow melting controller can't be started.
Description
Technical field
The utility model relates to a kind of special-purpose ice and snow pick-up unit, can discern the existence of ice and snow, and whether the lip-deep ice and snow of target object that detects required snow melt, ice-melt in real time has been melted into water and has discharged clean Multifunction Sensor.
Background technology
At present, known snow melt sensor has plenty of the variation in thickness of measuring snow when snowing, and structure is at the snow deposit collection during to certain thickness, and optical detection device is exported control signal; Have plenty of and measure snow cover weight change when snowing; Structure is when detecting by loading component that to a certain degree the snow of thickness exists, the output control signal; After controller is received and is detected control signal, control heater circuit heating snow melt.But, the very thin thickness of snowing under a lot of situations, or rain and snow mixed, the detection method of thickness measuring and check weighing amount is malfunctioning easily, the erroneous judgement wrong report, add this detection method and all be " gaining mastery by striking only after the enemy has struck " formula, snow and to a certain degree could start snow melt, still make buildings bear certain snow load, for communication facilities, after the snow melt mode of gaining mastery by striking only after the enemy has struck can be brought and snow, before the snow melt circuit start, signal of communication was because of there being certain thickness snow on the antenna, and make communication signal attenuation, the unsettled disadvantage of transmission quality.What the known snow melt sensor that also has adopted is to measure humidity, and method is to the sensor heating, and sensor can make snow melt Cheng Shui humidity-sensitive element output moisture signal give controller when snowing.But this mode is reported by mistake when rainy easily, when not needing snow melt, also can output signal heat, so also need manually to participate in control according to weather condition.Also having a disadvantage is that present known snow melt sensor all can only detect some signals, based on this signal output control signal, after starting heater circuit, can not the comprehensive monitoring heating object situation of whole snow melt need the control of people's site observation toward contact, determining to continue heating still is to stop heating, can not reach complete unmanned snow melt, cause the power supply waste.
Summary of the invention
Single in order to overcome existing snow melt sensor signal, can not accurately judge and distinguish the deficiency that whether needs real-time enforcement snow melt, the utility model provides a kind of snow melt sensor, this snow melt sensor can not only just can be measured heated body surface (satellite antenna the very first time when just snowing, roofing, the road surface, equipment surface etc.) whether snowy, and to distinguish easily be that the snow that at once can freeze need heat snow melt immediately, still snowing is the ice rain that oneself is melted into water, do not need to power up the environment temperature of snow melt at once, the humidity situation, whether the temperature that this sensor can be monitored the body surface that is heated snow melt simultaneously is in is deposited the temperature that snow freezes easily, with body surface variation of temperature situation after the enforcement snow melt, whether the ice and snow on surface has melted emptying, thereby accurately control the startup of heater circuit and stop, energy-saving and cost-reducing, realize unmanned robotization snow melt ice-melt.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of snow melt sensor, it is that four sensors are set in the metallic shield shell, first sensors sense environmental humidity, sensor sheet surface humidity when second sensor snowed, the 3rd sensors sense environmental temperature, the 4th a sensor detection is by the surface temperature of snow melt heating object, below snow detecting sensor detection layers, be provided with constent temperature heater, ice and snow is fallen above the sensor surface detection layers can be melted into water immediately, the while output switching signal, between four sensing switch signals be with logical relation, for the snow melt sensor provides with reference to Rule of judgment; The sensor of testing environment humidity can be according to the meteorological damp condition in locality, accurately judge it is snowy day in winter or rainy day in winter (comprising sleety weather), the sensor of surveying environment temperature can accurately provide ambient temperature situations, whether provide is the icing temperature of snowing, detection is by snow melt heating object (satellite antenna, roofing, the road surface, equipment surface etc.) whether be snowed can deposit temperature that snow freeze to the sensor of surface temperature if can provide by snow melt heating object surface temperature, whether overheated, keep the constant temperature snow melt thereby make by snow melt heating object surface temperature in whole snow melt heating process if when implementing the snow melt heating, detecting heating object body surface temperature simultaneously.More than five functions having of four road transducing signals signal that sensor is provided possessed the intelligent analysis Rule of judgment, the relation between four signals be with logical relation, any one condition does not possess, the snow melt controller can not start.Make the utility model possess round-the-clock detection control signal function and automatic control function, reach the technical conditions that correct judgement need be implemented snow melt, realization control snow melt in real time heating, all processes are controlled energy savings automatically.
The beneficial effects of the utility model are; whether can detect protected object (satellite antenna, roofing, road surface, equipment surface etc.) surface in real time accurately falls to avenging; whether correct judgement needs to implement the technical conditions of snow melt, realizes the heating of control snow melt in real time, reaches not only snow melt in real time but also energy savings to greatest extent.For snow melt heating precise control is characteristics of the present utility model in real time; the snow melt technology of the traditional hysteresis formula that compares; its to installations and facilities snow load pressure melt immediately the protection and to the assurance of communication antenna at sleet sky communication quality; every effect all has remarkable improvement, and energy conservation and consumption reduction effects is obvious.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is the longitudinal profile structural map of embodiment ().
Fig. 3 is the transverse section structural map of embodiment ().
Fig. 4 is the longitudinal profile structural map of embodiment (two).
Fig. 5 is the transverse section structural map of embodiment (two).
Among Fig. 2-5: 1. interdigitation snow humidity sensor plated film covers Copper Foil, 2. the weather-proof epoxy resin board of heatproof, 3. transmission cable build-out resistor, 4.PTC heated at constant temperature plate, 5. power light, 6. ambient humidity sensor, 7. environment temperature sensor, 8. heating object surface temperature sensor, 9. thermal insulating warm-keeping layer, 10. metallic shield shell, 11. aerospace seal sockets, 12. mounting seat (only second embodiment has), 13. air vents (only second embodiment has).
Embodiment
In Fig. 1, humidity 1, humidity 2, temperature 1, temperature 2, the output signal of four operational amplifier IC1-IC4 test electric bridges and four Sheffer stroke gates have been formed a signal judging circuit, have only four road signals that output is arranged, Sheffer stroke gate just has output, as long as one road signal is output not, Sheffer stroke gate is not output just.That is to say that any one road signal all has a veto.
In Fig. 2-5 embodiment () (two), interdigitation snow humidity sensor plated film covers Copper Foil (1) and is laminated with the weather-proof epoxy resin board of heatproof (2) and is integral, two ends are connected to transmission cable build-out resistor (3) and have formed the ice sensor check-out console, PTC heated at constant temperature plate (4) is installed in the below of ice sensor check-out console, power light during heating (5) is lighted, PTC heated at constant temperature plate (4) heats be responsible for for the ice sensor check-out console and keeps constant temperature about 25 ℃, make snow be melted into water immediately above dropping on, at this moment, between the slit of finger-inserting type detecting electrode because water arranged, electrode resistance can be low resistive state by remarkable reduction of original high resistance state, and this changes in resistance has just constituted the detection signal of snow.The snow-broth that melts can pour off very soon, if after snow stops, check-out console can rely on self temperature that residual snow-broth is evaporated, thereby recovers initial high resistance state.If monitor simultaneously by the situation of equipment surface snow melts such as the satellite antenna of snow melt or roofing, the ice sensor check-out console just need be installed in the below (embodiment one) in the trench drain of snow-broth trickling, make after the snow melt heater circuit starts, the snow-broth that flows down, some will be dropped on the ice sensor check-out console, and then pours off.If there is water to stay always, just show snow also in thawing,, show that snow has melted the check-out console that is over and can rely on self temperature that residual snow-broth is evaporated if there is not snow-broth to continue to flow down, thereby recover initial high resistance state, control snow melt heater circuit stops heating.If rain, same resistance variations process also can take place in check-out console, and for the snow melt wrong report does not take place, the detection signal of other sensor can be confirmed by synthetic determination.Ambient humidity sensor (6) environment temperature sensor (7) is set environment temperature and the humidity need snow melt, has only just defined in the icing weather that may snow, and the detected water signal of ice sensor check-out console just has the meaning that starts snow melt.Whether the detected temperature value of heating object surface temperature sensor (8) may deposit the temperature that snow freezes, and also is to judge whether signal that above three sensors provide has the essential condition of the meaning of last startup snow melt.If (8) detected temperature is higher than icing temperature,,, does not need heating yet, thereby can not start heater circuit yet even above three conditions all possess such as 15 ℃.Thereby it is intelligent that snow melt is detected.Thermal insulating warm-keeping layer (9) guarantees the unidirectional heated at constant temperature effect of PTC heated at constant temperature plate.Metallic shield shell (10) reliable ground can protect sensor not to be subjected to thunder and lightning and other electrical Interference, also operate as normal that can interfere with communications equipment.Aerospace seal socket (11) is used for connecting signal cable to the snow melt control box, and the water-tight function is arranged.Mounting seat (12) (only second embodiment has) is used for sensor is fixed on roofing or the ground.Embodiment (one) has the side mounting hole, and concrete mounting means can be determined according to field condition.Air vent (13) (only second embodiment has).
Claims (3)
1. snow melt sensor, it is that four sensors are set in the metallic shield shell, first sensors sense environmental humidity, sensor sheet surface humidity when second sensor snowed, the 3rd sensors sense environmental temperature, the 4th sensor detect by the surface temperature of snow melt heating object.
2. snow melt sensor according to claim 1 is characterized in that being provided with constent temperature heater below snow detecting sensor detection layers, ice and snow is fallen above the sensor surface detection layers can be melted into water immediately, simultaneously output switching signal.
3. snow melt sensor according to claim 1, it is characterized in that between four sensing switch signals be with logical relation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205578392U CN201867204U (en) | 2010-10-12 | 2010-10-12 | Snow melting sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205578392U CN201867204U (en) | 2010-10-12 | 2010-10-12 | Snow melting sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201867204U true CN201867204U (en) | 2011-06-15 |
Family
ID=44138356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205578392U Expired - Fee Related CN201867204U (en) | 2010-10-12 | 2010-10-12 | Snow melting sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201867204U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330115A (en) * | 2014-11-21 | 2015-02-04 | 天津泰特热控科技有限公司 | Ice and snow sensor |
| CN104597521A (en) * | 2013-11-01 | 2015-05-06 | 哈尔滨金旭航科技开发有限公司 | Ice and snow load sensor |
| CN107422759A (en) * | 2017-06-21 | 2017-12-01 | 山东英楷隆科技发展有限公司 | A kind of anti-oxidant rainfall snowfall sensor of low temperature |
| CN111512187A (en) * | 2017-12-22 | 2020-08-07 | 卢森堡科学技术研究院 | Direct freezing precipitation detection device and method |
| CN111610244A (en) * | 2019-08-30 | 2020-09-01 | 北京赛亿科技有限公司 | Outdoor icing detection sensor |
| CN113280510A (en) * | 2021-07-22 | 2021-08-20 | 成都远望探测技术有限公司 | Millimeter wave radar antenna surface dewatering and defrosting system |
-
2010
- 2010-10-12 CN CN2010205578392U patent/CN201867204U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597521A (en) * | 2013-11-01 | 2015-05-06 | 哈尔滨金旭航科技开发有限公司 | Ice and snow load sensor |
| CN104330115A (en) * | 2014-11-21 | 2015-02-04 | 天津泰特热控科技有限公司 | Ice and snow sensor |
| CN104330115B (en) * | 2014-11-21 | 2016-06-08 | 天津泰特热控科技有限公司 | Ice and snow sensor |
| CN107422759A (en) * | 2017-06-21 | 2017-12-01 | 山东英楷隆科技发展有限公司 | A kind of anti-oxidant rainfall snowfall sensor of low temperature |
| CN111512187A (en) * | 2017-12-22 | 2020-08-07 | 卢森堡科学技术研究院 | Direct freezing precipitation detection device and method |
| CN111610244A (en) * | 2019-08-30 | 2020-09-01 | 北京赛亿科技有限公司 | Outdoor icing detection sensor |
| CN113280510A (en) * | 2021-07-22 | 2021-08-20 | 成都远望探测技术有限公司 | Millimeter wave radar antenna surface dewatering and defrosting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20131012 |