CN201390266Y - Snow shield for infrared axle temperature detector for railway - Google Patents
Snow shield for infrared axle temperature detector for railway Download PDFInfo
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- CN201390266Y CN201390266Y CN200920012699U CN200920012699U CN201390266Y CN 201390266 Y CN201390266 Y CN 201390266Y CN 200920012699 U CN200920012699 U CN 200920012699U CN 200920012699 U CN200920012699 U CN 200920012699U CN 201390266 Y CN201390266 Y CN 201390266Y
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- air
- pump seat
- expansion box
- pump
- infrared
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Abstract
The utility model discloses a snow shield for an infrared axle temperature detector for a railway, which comprises air pumps and a pump base, and is characterized in that the pump base is shaped like a rectangle, the air pumps are fixed on one end of the pump base, an air storage box is fixed at the middle of the pump base as well, and the air pumps are communicated with the air storage box through air ducts; a narrow slit-shaped nozzle which is communicated with the air chamber of the air storage box is formed between the bottom of the air storage box and the pump base; in front of the narrow slit-shaped nozzle, the pump base is also provided with working holes corresponding to the detection windows of the detector, and special filter lenses, the infrared transmissivity of which is up to more than 95 percent, are embedded in the working holes; and the lower side of the rectangular pump base is also provided with a rabbet which can be matched with the box body of the detector. The snow shield not only can ensure the normal operation of the infrared axle temperature detector but also can prevent snow from being accumulated on the lenses in a snowy day, and moreover, the snow shield can prevent the accumulated snow carried by a train from falling into the box body of the infrared axle temperature detector through the detection windows when the train passes at high speed.
Description
Technical field
The utility model relates to a kind of snow defence device, more particularly relate to a kind of railway with the device that the infrared journal temperature detection device outer cover case snow defence of the infrared shaft temperature monitoring system of HTK-391 type enters, be applicable to the snow defence of the infrared journal temperature detection device casing that install the railroad rail both sides.
Background technology
Train is when high-speed cruising, because friction may cause the axletree of rail vehicle to heat up, consequent hot box, cuts an accident and happens occasionally, and seriously injures the traffic safety of train.At present, railway has been extensive use of the infrared shaft temperature monitoring system of the HTK-391 type second generation, and this infrared shaft temperature monitoring system is the approved product of producing and using at present.This infrared journal temperature detection system is to be the real-time monitoring net of remote computer of core with the PC industrial control computer, and the axle temperature that it can online, regularly detect rail vehicle in time forecasts hot box, prevents the generation of accident.But, shaft temperature detector in this infrared bearing temperature monitoring device, owing to have the exposed window of a pair of detection on its casing, the measure that though the design of its outer cover has is rainproof, snow and dust enter casing, but when train passes through the detector detection window at a high speed, the snowflake of being swept along, dust etc. are under the effect of powerful air mass, still can irritate the inlet body by a pair of detection window on the above-mentioned casing, accumulate over a long period and cause light path to be stopped up, thereby the sensitivity of shaft temperature detector is reduced greatly, brought hidden danger for the safety enforcement of train.
Summary of the invention
The purpose of this utility model provides a kind of railway infrared journal temperature detection device snow defence device, it not only can guarantee infrared journal temperature detection device energy normal operation, and can prevent when falling to avenging that snowflake from accumulating on the eyeglass and can train at a high speed by the time, prevent that the accumulated snow that train is swept along from falling in the infrared journal temperature detection device casing by detection window.
The purpose of this utility model is achieved in that it includes air pump, pump seat, it is characterized in that pump seat is a cuboid, and air pump is fixed on an end of pump seat, also is fixed with expansion box at the middle part of pump seat, and air pump communicates with expansion box by guide duct; The narrow slit shape nozzle that communicates with the expansion box air chamber that constitutes with pump seat is arranged at the bottom of expansion box, on the pump seat of narrow slit shape spray nozzle front end, also have and the cooresponding working hole of detector detection window, be inlaid with ir transmissivity on the working hole up to the extraordinary filter glass more than 95%; Below the cuboid pump seat, also be provided with the draw-in groove that cooperates with the detector casing.
The utility model has the advantages that, when falling to avenging, open air pump, because air pump communicates with air chamber in the expansion box by guide duct, therefore can make the air chamber in the expansion box be full of pressurized air, again because the narrow slit shape nozzle that communicates with the air chamber with in the expansion box of pump seat formation is arranged at the bottom of expansion box, therefore the high pressure gas in the expansion box directly blow to front end by narrow slit shape nozzle with the cooresponding working hole of detector detection window on form one deck air curtain on the transparent glasses lens inlayed, snowflake can not be accumulated on eyeglass, guaranteed the clean transparent of eyeglass, thereby made the sensitivity of shaft temperature detector unaffected; When train passes through at a high speed, because the existence of above-mentioned eyeglass can stop that fully the accumulated snow that train is swept along falls in the infrared journal temperature detection device casing by detection window, has guaranteed the unimpeded of shaft temperature detector light path.Therefore the utility model is a kind of novelty and the railway that shows unique characteristics with infrared journal temperature detection device snow defence device product.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a concrete structure scheme drawing of the present utility model.
Fig. 2 is that the B-B of Fig. 1 is to insight structural map.
Fig. 3 is that the A-A of Fig. 1 is to insight structural map.
Fig. 4 is the expansion box pad.
Fig. 5 is the c portion partial enlarged drawing of Fig. 2.
The specific embodiment
In Fig. 1-5, air pump 8 is the end that two micropumps arranged side by side are fixed by bolts to pump seat 7.The thick steel plate of pump seat 7 usefulness 30mm is processed into rectangular shape, is useful on the draw-in groove 1 that cooperates with the clamping of detector casing item end protuberance in the bottom of pump seat 7.The trapezoidal steel of expansion box 5 usefulness is processed into trapezoidal stepped cuboid, and two independently air chambers 11 are arranged in the expansion box 5.Two air pumps 8 are communicated respectively with two air chambers 11 of expansion box 5 by threaded valve 12 respectively by ventilation flue 6.The red copper pad 4 that is added with the E font between expansion box 5 and the pump seat 7 is screwed at the middle part of pump seat 7, and expansion box 5 constitutes the spout of the narrow slit shape nozzle 9 of two air chambers 11 by the E word mouth of E shape pad 4.On the pump seat 7 of narrow slit shape nozzle 9 front ends, also have two with circle shape marginal belt seam with the cooresponding working hole 10 of detector detection window, infrared filtering eyeglass 3 is fixed on the working hole 10 of personal attendant's circle shape after adding resin glue by seam.
When installing and using, railway is placed detector casing Xiang Duan with infrared journal temperature detection device snow defence device, the draw-in groove 1 of pump seat 7 bottoms cooperates with the clamping of detector casing item end protuberance, is screwed on the casing of infrared journal temperature detection device by the connecting bore 2 on four angles of pump seat again.When 8 work of two air pumps, pressurized air enters in the air chamber 11 of expansion box 5 by two guide ducts respectively.Pressure gas in the air chamber 11 directly blows to eyeglass 3 from 9 ejections of narrow slit shape nozzle, on eyeglass 3, form one deck air curtain, snowflake accumulated on the eyeglass 3 when anti-falling stop was avenged, and when train passes through at a high speed, because the existence of eyeglass 3 can stop that the accumulated snow that train is swept along enters in the infrared journal temperature detection device casing.Snow defence eyeglass 3 is a kind of infrared fileters, and its ir transmissivity can be up to 95%; Narrow slit nozzle 9 is in order to causing the air-flow curtain wide with eyeglass 3 on the surface of 2 snow defence eyeglasses 3, and protection eyeglass 3 snow that do not fallen covers, and its nozzle 9 flow velocitys reach 192.8m/sec; Micro air pump 8 is supply narrow slit nozzle 9 compressed-air actuated sources of the gas, and it uses power supply is 2 cross streams power supplys, and power is 28w, and pressure head is 0.03Mpa, and flow is 40～42l/min, and weight is 1.72kg; Pump seat 7 is devices that snow defence eyeglass 3, narrow slit spout 9 and micro air pump 8 are linked into an integrated entity, and it can directly be contained on the shaft temperature detector casing easily.The utility model is applicable to the infrared shaft temperature monitoring system of HTK-391 type that is distributed widely in china railway, as effective snow defence device of the infrared journal temperature detection device of its outdoor component part.
Claims (3)
1, a kind of railway infrared journal temperature detection device snow defence device, it includes air pump, pump seat, it is characterized in that pump seat is a cuboid, and air pump is fixed on an end of pump seat, also is fixed with expansion box at the middle part of pump seat, and air pump communicates with expansion box by guide duct; The narrow slit shape nozzle that communicates with the expansion box air chamber that constitutes with pump seat is arranged at the bottom of expansion box, on the pump seat of narrow slit shape spray nozzle front end, also have and the cooresponding working hole of detector detection window, be inlaid with ir transmissivity on the working hole up to the extraordinary filter glass more than 95%; Below the cuboid pump seat, also be provided with the draw-in groove that cooperates with the detector casing.
2, railway according to claim 1 is characterized in that being screwed between described expansion box and the pump seat middle part at pump seat with infrared journal temperature detection device snow defence device after being added with E font pad.
3, railway according to claim 1 is characterized in that with infrared journal temperature detection device snow defence device two air chambers in the described expansion box constitute the narrow slit shape nozzle of two 0.01x70mm by the E word mouth of E shape pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920012699U CN201390266Y (en) | 2009-04-02 | 2009-04-02 | Snow shield for infrared axle temperature detector for railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920012699U CN201390266Y (en) | 2009-04-02 | 2009-04-02 | Snow shield for infrared axle temperature detector for railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201390266Y true CN201390266Y (en) | 2010-01-27 |
Family
ID=41597088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920012699U Expired - Fee Related CN201390266Y (en) | 2009-04-02 | 2009-04-02 | Snow shield for infrared axle temperature detector for railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201390266Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554340A (en) * | 2013-10-21 | 2015-04-29 | 宁夏中远天晟科技有限公司 | Probe phone remote control compressed air snow sweeping device of railway vehicle infrared axle temperature detection system |
| CN105241554A (en) * | 2015-09-29 | 2016-01-13 | 北京环境特性研究所 | Non-point source blackbody type radiation source under outfield condition and calibration method thereof |
| CN109466583A (en) * | 2018-11-05 | 2019-03-15 | 哈尔滨新世科技有限责任公司 | A kind of intelligent snow removal system and method for railway train shaft temperature detection case |
-
2009
- 2009-04-02 CN CN200920012699U patent/CN201390266Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554340A (en) * | 2013-10-21 | 2015-04-29 | 宁夏中远天晟科技有限公司 | Probe phone remote control compressed air snow sweeping device of railway vehicle infrared axle temperature detection system |
| CN105241554A (en) * | 2015-09-29 | 2016-01-13 | 北京环境特性研究所 | Non-point source blackbody type radiation source under outfield condition and calibration method thereof |
| CN109466583A (en) * | 2018-11-05 | 2019-03-15 | 哈尔滨新世科技有限责任公司 | A kind of intelligent snow removal system and method for railway train shaft temperature detection case |
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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: 20100127 Termination date: 20110402 |