CN106979962A - A kind of melting snow on turnout junction rail mounted sleet detection device - Google Patents
A kind of melting snow on turnout junction rail mounted sleet detection device Download PDFInfo
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- CN106979962A CN106979962A CN201710309570.2A CN201710309570A CN106979962A CN 106979962 A CN106979962 A CN 106979962A CN 201710309570 A CN201710309570 A CN 201710309570A CN 106979962 A CN106979962 A CN 106979962A
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- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 238000002844 melting Methods 0.000 title claims abstract description 26
- 230000008018 melting Effects 0.000 title claims abstract description 23
- 239000003292 glue Substances 0.000 claims abstract description 17
- 229920001875 Ebonite Polymers 0.000 claims abstract description 12
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000005439 thermosphere Substances 0.000 claims 1
- 238000007664 blowing Methods 0.000 abstract description 5
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000005413 snowmelt Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Automation & Control Theory (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
A kind of melting snow on turnout junction rail mounted sleet detection device, the ice and snow freezed on train body can not be detected by solving existing sleet detection device presence, or in the environment of blowing, accumulated snow outside track can be blown to accumulated snow or ice cube above track, the technical deficiency of track switch translation function and car operation efficiency or traffic safety is influenceed, includes installs fixture and sleet detection sensor；Described installs fixture includes left fixture block and right fixture block, sleet detection sensor is fixed on left fixture block or right fixture block with favouring the state of horizontal plane, described sleet detection sensor includes sensor governor circuit, sensor master control circuit peripheral is inoculated with flexible glue, the outer embedding of flexible glue has is provided with inner casing outside ebonite, ebonite.The ice and snow dropped to from train body on rail or the accumulated snow formed in orbit due to blowing can be effectively detected, so as to provide the input condition of automatic snow-melting for melting snow on turnout junction device, train operation safety, Lifting Convey efficiency is ensured.
Description
Technical field
The invention belongs to railway equipment field, more particularly to a kind of melting snow on turnout junction rail mounted sleet detection device.
Background technology
Current rail track switch equipment is the important component in rail transportation system, and the smooth conversion of track switch equipment is to protect
Hinder one of necessary condition of railway security transport, be to ensure that the premise of railway normal pass.Therefore railway switch maintenance is to ensure
One important step of safety of railway operation.
In cold district Winter Snow weather, if railway switch snow removing is not in time, accumulated snow or icing, cause in track switch
Point tongue tip can not be reliably closely connected with stock rail, can directly affect station receiving and dispatching trains operation and shunting service it is normal enter
OK, railway transportation can be caused to interrupt when serious.It is normal safely that severe cold area winter melting snow on turnout junction problem turns into influence bullet train
The key of operation.Melting snow on turnout junction device is a kind of ice and snow for being eliminated under severe cold weather and hindering track switch conversion, ensures track switch safety
The visual plant of conversion, to ensureing railway system's safe operation, ensures that life and property safety of people has highly important
Meaning.
Sleet detection device is to realize one of key equipment of melting snow on turnout junction device automatic snow-melting.Current state-of-the-art track switch
Device for melting snow is used as the input condition for starting or closing snow melting function using external temperature and sleet condition.When external temperature is low
In the rail temperature of setting, and under conditions of detecting sleet, automatic start heating function is prevented rail by melting snow on turnout junction device
Accumulated snow influence track switch conversion is formed on road；When rail temperature is higher than the rail temperature set, heating function is closed automatically, to save
The about energy.
At present, the sleet sensor mounting location of melting snow on turnout junction device field application, otherwise it is to install above switch board,
Mast is mounted to, but which kind of mounting means either used, sleet detection device is respectively positioned on more than rail level, can only
Detect whether really to form snowfall.However, the ice and snow freezed on train body, or in the environment of blowing, outside track
Accumulated snow can be blown to above track, and these accumulated snow or ice cube, it is impossible to arrived by common sleet detection.In this feelings
Under condition, melting snow on turnout junction device cannot automatic start heating function, so as to influence the track switch translation function that may make a difference, influence
Train operation efficiency or traffic safety.
The content of the invention
It is an object of the invention to solve existing sleet detection device presence not detecting what is on train body freezed
Ice and snow, or in the environment of blowing, the accumulated snow outside track can be blown to accumulated snow or ice cube above track, influence track switch turns
The technical deficiency of function and car operation efficiency or traffic safety is changed, and a kind of sleet detection device being installed on track is provided.
To solve technical problem proposed by the invention, the technical scheme used for：
A kind of melting snow on turnout junction rail mounted sleet detection device, it is characterised in that described device includes installs fixture and sleet is visited
Survey sensor；Described installs fixture includes the left fixture block and right fixture block for coordinating and being clamped in rail flange of rail left and right sides, left
It is additionally provided with and left piece and right fixture block is locked the lock screw on rail between fixture block and right fixture block through flange of rail bottom；It is described
Sleet detection sensor be fixed on favouring the state of horizontal plane on left fixture block or right fixture block, described sleet detection
Sensor is provided with the feed cable and signal cable for being used for connecting switch board；Described sleet detection sensor includes sensor
Governor circuit, sensor master control circuit peripheral is inoculated with flexible glue, and the outer embedding of flexible glue has is provided with inner casing outside ebonite, ebonite.
The outside of described inner casing is provided with zone of heating, and the top of zone of heating is provided with heat-conducting layer, and the top of heat-conducting layer is provided with rain
Avenge detecting electrode layer；Described zone of heating and sleet detecting electrode layer is electrically connected with described governor circuit respectively.
The outside of described inner casing is provided with shell；Described cover top portion is with sleet detecting electrode layer correspondence position provided with saturating
Avenge hole, the side wall osculum corresponding with sleet detecting electrode layer of shell.
Thermal insulation layer is provided between the outside of described inner casing and zone of heating.
Described shell is etch-proof metal shell.
Described sleet detection sensor is mounted on left fixture block or right fixture block with the angle of 15 degree of level.
Beneficial effects of the present invention are：The sleet detection sensor of the present invention is arranged on rail, can effectively be detected
The ice and snow dropped to from train body on rail or the accumulated snow formed in orbit due to blowing, so as to be melting snow on turnout junction dress
The input condition that automatic snow-melting is provided is put, train operation safety, Lifting Convey efficiency is ensured.Sensor is taken and horizontal plane
State is installed, and preventing after snow melt that water is lodged in sensor causes sensor erroneous judgement.Due to taking flexible glue, ebonite, composite wood
Material inner casing, the control circuit of the metal shell of corrosion layer by layer in guard sensor is prevented, enable the sensor to effectively adapt to fire
The vibration environment produced when car passes through on rail.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Brief description of the drawings
Fig. 1 is rail mounted sleet detection device scheme of installation of the present invention
Fig. 2 is inventive sensor and horizontal plane schematic diagram
Fig. 3 is inventive sensor structural representation
Wherein 1 is sleet detection sensor；2 be installs fixture；3 be feed cable and signal cable；4 be sensor master control electricity
Road；5 be flexible glue；6 be ebonite；7 be composite inner casing；8 be metallic material shell；9 be sleet detecting electrode layer；10 be heat conduction
Layer；11 be zone of heating, and 12 be thermal insulation layer.
Embodiment
The melting snow on turnout junction of the present invention is made into one of rail mounted sleet detection device below in conjunction with the drawings and specific embodiments
Step is described in detail.It should be noted that：The combination of technical characteristic or technical characteristic described in the present embodiment should not be recognized
To be isolated, they can be mutually combined to reach superior technique effect, all be appreciated that it is of the invention
Scope.
As shown in accompanying drawing 1,2, the present embodiment provides kind of a melting snow on turnout junction rail mounted sleet detection device, includes installation folder
Tool 2 and sleet detection sensor 1.Described installs fixture 2 includes the left folder for coordinating and being clamped in rail flange of rail left and right sides
Block and right fixture block, are additionally provided between left fixture block and right fixture block and left piece and right fixture block are locked on rail through flange of rail bottom
Lock screw.Described sleet detection sensor 1 is fixed on left fixture block or right fixture block with favouring the state of horizontal plane,
Preferred scheme is：Sleet detection sensor is mounted on left fixture block or right fixture block with the angle of 15 degree of level.
Described sleet detection sensor 1 is provided with the feed cable and signal cable 3 for being used for connecting switch board.Applying
Cheng Zhong, switch board is typically mounted near rail, and the sleet signal that sleet detection sensor 1 is detected is sent by signal cable 3
To switch board, switch board can handle the signal that one or more sleet detection sensors 1 send and judge sleet information.Each
Necessary Signal Processing Element is only set in sleet detection sensor 1, is sent in switch board by processing information as far as possible
Row processing, so as to which sensor is done into small, is adapted to install on rail.Electricity between sleet detection sensor 1 and periphery switch board
Source cable and signal cable 3 are preferably same cable, reduce switch board and the line of sleet detection sensor 1, further reduce passing
The volume of sensor, feed cable and signal cable 3 use shielded cable, and one end of screen layer is connected with the earth, prevents outside
Interference invasion.One switch board can receive, handle the signal of multiple sleet detection sensors 1, in this way, can be by feed cable
With signal cable distributing installation in multiple different positions of track switch.By sleet detection sensor 1 horizontal by heeling condition
Install, the water formed after snow or ice is melted can flow away exclusion in time, prevent rainwater from accumulating in the detection position of sensor, lead
Cause sensor erroneous judgement.
As shown in Figure 3, described sleet detection sensor 1 includes sensor governor circuit 4, sensor governor circuit 4
Periphery is inoculated with flexible glue 5, when flexible glue 5 can prevent temperature change on track, the electricity expanded with heat and contract with cold to sensor governor circuit 4 of glue
The stretching or extruding of subcomponent, cause to damage or loose contact, so as to influence the reliably working of sleet sensor to electronic component.
The outer embedding of flexible glue 5 has is provided with inner casing 7 outside ebonite 6, ebonite 6；Embedding ebonite 6, energy between inner casing 7 and flexible glue 5
Prevent ancillary equipment from being damaged to sensor governor circuit 4, can also protect the circuit board of whole sensor governor circuit 4.
The outside of inner casing 7 is provided with shell 8；To prevent the coefficient of thermal expansion and contraction between different material from differing too big, so that
The present invention is damaged during expanding with heat and contract with cold, and inner casing 7 of the invention uses composite inner casing.To prevent on track
Extraneous hard thing causes damage to the present invention during operation, and etch-proof metal shell 8 is used outside inner casing 7.
The outside of described inner casing 7 is provided with zone of heating 11, provided with heat-insulated preferably between the outside of inner casing 7 and zone of heating 11
Layer 12, thermal insulation layer 12 is made up of heat-barrier material, prevents heat from conducting to sensor governor circuit 4, and thermal insulation layer 12 also prevents heating
The life-span of 11 pairs of composite inner casing of layer impacts.The top of zone of heating 11 is provided with heat-conducting layer 10, and the top of heat-conducting layer 10 is set
There is sleet detecting electrode layer 9；Described zone of heating 11 and sleet detecting electrode layer 9 respectively with described sensor governor circuit 4
It is electrically connected with.
The described top of shell 8 is with sleet detecting electrode 9 correspondence position of layer provided with snow hole thoroughly, and side wall and the sleet of shell are examined
Survey the corresponding osculum of electrode layer.When occurring snowfall or snowing, it can pass through snow hole thoroughly and fall in sleet detecting electrode 9 table of layer
Face, the CPU inputs of sensor governor circuit 4 will input the signal of different potentials；Fall when there is rainfall in sleet detecting electrode layer 9
When on surface, the signal of different potentials is directly presented in the CPU inputs of sensor governor circuit 4；Examined when snowing in sleet
When surveying on the surface of electrode layer 9, because zone of heating 11 is under the control of sleet detecting electrode layer 9, by zone of heating 11 and heat-conducting layer 10
Heated to sleet detecting electrode layer 9, then snow melt Cheng Shui is directly presented not in the CPU inputs of sleet detecting electrode layer 9
Idiostatic signal.
The heated snow melt Cheng Shuihou of sleet detecting electrode layer 9 produces the signal of different potentials, and sensor governor circuit 4 receives rain
The signal of detecting electrode layer 9 is avenged, and signal is done after simple processing, switch board is sent to, switch board enters to the signal received
Row analyzing and processing, determines whether snow or ice.
Heat-conducting layer 10 can be acted on zone of heating 11 with sealing protection, isolate rainwater, prevent rainwater from reaching zone of heating 11
And damage.
Sleet detection sensor 1 is arranged on rail, extremely strong vibration is had when train passes through, in sensor governor circuit
4 peripheral injection flexible glues 5, have to vibration and slow down effect, prevent sensor governor circuit 4 by vibration damage.Irrigated firmly in flexible glue 5
Glue 6 strengthens the protective effect to sensor governor circuit 4, after shock for train is produced, and first passes through the resistance absorption of ebonite 6, then pass through
Flexible glue 5 is absorbed, and more effective protection is done to control circuit 4.Composite inner casing also has to shock for train slows down effect.By upper
State and slow down shock for train layer by layer, can effectively avoid vibrating the influence to sensor governor circuit 4, be conducive to sleet detection biography
Sensor 1 can be adapted for mount on rail environment.Etch-proof metal shell 8 is additionally provided with the periphery of composite inner casing, gold
Category shell 8 is made by stainless steel material, and it is to outside weather conditions, environmental condition to the corrosion of sensor with protection work
With, it may have resistance shock for train effect.
The scope of the preferred embodiment for the present invention includes other realization, wherein can not in the order presented, including root
According to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be by embodiments of the invention
Art technician understanding.Description in embodiment is only exemplary, not as limitation, ability
The technical staff in domain, by understanding the technical scheme that embodiment technology contents are resulted in, is to belong to scope of the invention.
Claims (6)
1. a kind of melting snow on turnout junction rail mounted sleet detection device, it is characterised in that described device includes installs fixture and sleet
Detection sensor；Described installs fixture includes the left fixture block and right fixture block for coordinating and being clamped in rail flange of rail left and right sides,
It is additionally provided with and left piece and right fixture block is locked the lock screw on rail between left fixture block and right fixture block through flange of rail bottom；Institute
The sleet detection sensor stated is fixed on left fixture block or right fixture block with favouring the state of horizontal plane, and described sleet is visited
Survey sensor and be provided with the feed cable and signal cable for being used for connecting switch board；Described sleet detection sensor includes sensing
Device governor circuit, sensor master control circuit peripheral is inoculated with flexible glue, and the outer embedding of flexible glue has is provided with inner casing outside ebonite, ebonite.
2. melting snow on turnout junction according to claim 1 rail mounted sleet detection device, it is characterised in that：Described inner casing
Outside is provided with zone of heating, and the top of zone of heating is provided with heat-conducting layer, and the top of heat-conducting layer is provided with sleet detecting electrode layer；Described adds
Thermosphere and sleet detecting electrode layer are electrically connected with described governor circuit respectively.
3. melting snow on turnout junction according to claim 1 or 2 rail mounted sleet detection device, it is characterised in that：Described is interior
The outside of shell is provided with shell；Described cover top portion is with sleet detecting electrode layer correspondence position provided with snow hole, the side wall of shell thoroughly
Osculum corresponding with sleet detecting electrode layer.
4. melting snow on turnout junction according to claim 1 or 2 rail mounted sleet detection device, it is characterised in that：Described is interior
Thermal insulation layer is provided between the outside of shell and zone of heating.
5. melting snow on turnout junction according to claim 1 or 2 rail mounted sleet detection device, it is characterised in that：Described is outer
Shell is etch-proof metal shell.
6. melting snow on turnout junction according to claim 1 or 2 rail mounted sleet detection device, it is characterised in that：Described rain
Snow detection sensor is mounted on left fixture block or right fixture block with the angle of 15 degree of level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309570.2A CN106979962B (en) | 2017-05-04 | 2017-05-04 | Rail-mounted rain and snow detecting device for switch snow melting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309570.2A CN106979962B (en) | 2017-05-04 | 2017-05-04 | Rail-mounted rain and snow detecting device for switch snow melting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106979962A true CN106979962A (en) | 2017-07-25 |
| CN106979962B CN106979962B (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710309570.2A Active CN106979962B (en) | 2017-05-04 | 2017-05-04 | Rail-mounted rain and snow detecting device for switch snow melting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979962B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592995A (en) * | 2018-04-23 | 2018-09-28 | 黄河科技学院 | A kind of chemical industrial park environment monitoring device protective device based on LoRa wide area networks |
| CN111638567A (en) * | 2020-06-04 | 2020-09-08 | 水利部南京水利水文自动化研究所 | Support single-point and multi-point induction's multilayer timing weighing type sleet gauge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974993A (en) * | 1974-06-10 | 1976-08-17 | Eltra Kg Leicht & Trambauer | Railway track switch heating arrangement |
| US4051466A (en) * | 1974-07-12 | 1977-09-27 | Eltra Kg Leicht & Trambauer | Arrangement for detecting the presence of snow, ice and other freezing precipitation, particularly on railway track structures, and the like |
| US4656333A (en) * | 1984-12-28 | 1987-04-07 | Murphy John P | Thin profile snow, sleet and moisture sensing detector |
| JPH075135A (en) * | 1991-08-26 | 1995-01-10 | Densei:Kk | How to distinguish between rain and snow |
| JP3037559U (en) * | 1996-11-08 | 1997-05-20 | 北海バネ株式会社 | Snowfall sensor output signal processing circuit |
| JP2003114283A (en) * | 2001-10-03 | 2003-04-18 | Sparkling Foton:Kk | Snow accumulation monitoring device, and ice and snow melting system |
| JP3112271U (en) * | 2004-12-16 | 2005-08-11 | 北海バネ株式会社 | Snowfall sensor |
| CN201262649Y (en) * | 2008-09-03 | 2009-06-24 | 西安铁路信号工厂 | Rain and snow monitoring device |
| CN202257588U (en) * | 2011-08-15 | 2012-05-30 | 深圳市中联创新自控系统有限公司 | Card reader with multilayer pouring sealant |
| CN103603244A (en) * | 2013-12-04 | 2014-02-26 | 大连理工大学 | Special clamp for measuring unit of steel rail wireless sensor network |
| CN104330115A (en) * | 2014-11-21 | 2015-02-04 | 天津泰特热控科技有限公司 | Ice and snow sensor |
| CN105067147A (en) * | 2015-07-14 | 2015-11-18 | 深圳科安达电子科技股份有限公司 | Track temperature monitoring system |
| CN206906308U (en) * | 2017-05-04 | 2018-01-19 | 深圳科安达电子科技股份有限公司 | A kind of melting snow on turnout junction rail mounted sleet detection device |
-
2017
- 2017-05-04 CN CN201710309570.2A patent/CN106979962B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974993A (en) * | 1974-06-10 | 1976-08-17 | Eltra Kg Leicht & Trambauer | Railway track switch heating arrangement |
| US4051466A (en) * | 1974-07-12 | 1977-09-27 | Eltra Kg Leicht & Trambauer | Arrangement for detecting the presence of snow, ice and other freezing precipitation, particularly on railway track structures, and the like |
| US4656333A (en) * | 1984-12-28 | 1987-04-07 | Murphy John P | Thin profile snow, sleet and moisture sensing detector |
| JPH075135A (en) * | 1991-08-26 | 1995-01-10 | Densei:Kk | How to distinguish between rain and snow |
| JP3037559U (en) * | 1996-11-08 | 1997-05-20 | 北海バネ株式会社 | Snowfall sensor output signal processing circuit |
| JP2003114283A (en) * | 2001-10-03 | 2003-04-18 | Sparkling Foton:Kk | Snow accumulation monitoring device, and ice and snow melting system |
| JP3112271U (en) * | 2004-12-16 | 2005-08-11 | 北海バネ株式会社 | Snowfall sensor |
| CN201262649Y (en) * | 2008-09-03 | 2009-06-24 | 西安铁路信号工厂 | Rain and snow monitoring device |
| CN202257588U (en) * | 2011-08-15 | 2012-05-30 | 深圳市中联创新自控系统有限公司 | Card reader with multilayer pouring sealant |
| CN103603244A (en) * | 2013-12-04 | 2014-02-26 | 大连理工大学 | Special clamp for measuring unit of steel rail wireless sensor network |
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| CN105067147A (en) * | 2015-07-14 | 2015-11-18 | 深圳科安达电子科技股份有限公司 | Track temperature monitoring system |
| CN206906308U (en) * | 2017-05-04 | 2018-01-19 | 深圳科安达电子科技股份有限公司 | A kind of melting snow on turnout junction rail mounted sleet detection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592995A (en) * | 2018-04-23 | 2018-09-28 | 黄河科技学院 | A kind of chemical industrial park environment monitoring device protective device based on LoRa wide area networks |
| CN108592995B (en) * | 2018-04-23 | 2020-09-29 | 黄河科技学院 | Chemical industry park environmental monitoring device protector based on loRa wide area network |
| CN111638567A (en) * | 2020-06-04 | 2020-09-08 | 水利部南京水利水文自动化研究所 | Support single-point and multi-point induction's multilayer timing weighing type sleet gauge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106979962B (en) | 2023-11-14 |
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