CN202337923U - Ice melting device in electrical railway tunnel - Google Patents
Ice melting device in electrical railway tunnel Download PDFInfo
- Publication number
- CN202337923U CN202337923U CN2011204304154U CN201120430415U CN202337923U CN 202337923 U CN202337923 U CN 202337923U CN 2011204304154 U CN2011204304154 U CN 2011204304154U CN 201120430415 U CN201120430415 U CN 201120430415U CN 202337923 U CN202337923 U CN 202337923U
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- 230000008018 melting Effects 0.000 title abstract 4
- 238000002844 melting Methods 0.000 title abstract 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 84
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 24
- 239000011707 mineral Substances 0.000 claims abstract description 24
- 229910000838 Al alloy Inorganic materials 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 8
- 229920005372 Plexiglas® Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000008014 freezing Effects 0.000 abstract description 3
- 238000007710 freezing Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 206010020843 Hyperthermia Diseases 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036031 hyperthermia Effects 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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Classifications
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- 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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- Surface Heating Bodies (AREA)
Abstract
The utility model provides an ice melting device in an electrical railway tunnel, solving the problem that ices are suspended on the inner wall of the railway tunnel in the cold climate in winter. The device consists of two parts, namely a power distribution control box and a heating plate, and is mainly applied to ice melting for the circular wall in the tunnel. A Mi mineral insulation heating cable is used for directly converting electric energy into heat energy and uniformly dispersing the heat onto a water-seepage frozen wall surface in a manner of high-temperature radiation; a phenomenon of freezing can be eliminated after water seeping from the wall surface is heated; and when the temperature of the plate surface of the heating plate reaches a certain temperature value, the heating cable stops heating. The device intelligently controls the heating cable and can be heated manually and automatically controlled to be heated. The device has the advantages of simple structure, small volume, quickness in mounting, convenience in configuration, simple operation, reliable quality and the like, and can be widely applied to the field of ice melting of electrical railway tunnels.
Description
Technical field
The utility model relates to deicing device in a kind of electrified railway tunnels.
Background technology
Along with high speed development of national economy, train speed, carrying capacity etc. improve year by year, the increase year by year of passing train number quantity, and the contradiction that old device load-bearing capability that railway is along the line and freight volume increase becomes increasingly conspicuous.When the tunnel passes through the aquifer, when the location is grown in rock melt fracture crack, owing to rich groundwater, just formed in the tunnel and leaked.According to position and the size of leaking, be divided into and ooze, drop down, leak, emit several types.
About 50000 of the existing railway tunnel of China, wherein occur in the operation in various degree water burst, leak, emit water, drip, seep water, phenomenon such as wet water account for about 1/3 of total the number in system-wide tunnel.When temperature dropped to 0 ℃ of left and right sides in the winter tunnel, icing phenomenon mostly occurred in the location that leaks.Have freeze after sealed the eye that leaks, freeze and continue development, invading in the safety clearance of track influence traffic safety, serious meeting causes contact net load-bearing overload and contact net to connect phenomenons such as electricity, causes ice to cover rail and causes overturning, damage rail and accessory.If sidewall is invaded limit, bring great harm to traffic safety.So research tunnel deicing device is most important.
Summary of the invention
For solving above technical problem, the utility model provides deicing device in a kind of electrified railway tunnels, is beneficial to solve the influence of freezing circuit along the line is caused because of the infiltration of tunnel inwall, eliminates the problem that leakage point is hung ice in the tunnel.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts provides deicing device in the electrified railway tunnels, and wherein: this device includes the distribution control cabinet and is fixed on the heating board on the tunnel inwall; Said distribution control cabinet includes casing, panel, temperature controller, temperature and humidity controller, line breaker, fuse, auxiliary reclay, wiring terminal, heat block, Temperature Humidity Sensor, grounding rack, door-plate; On casing, be fixed with door-plate through hinge; On panel, be provided with temperature controller, temperature and humidity controller, line breaker, fuse, auxiliary reclay, wiring terminal, heat block, Temperature Humidity Sensor that pilot is electrically connected each other; With screw grounding rack is fixed on the panel; In casing, said casing is connected with the heating board that is fixed on the tunnel inwall to said panel through pilot through screw;
Said heating board is made up of an aluminium alloy plate and both sides fixed strip; Be equipped with the Mi mineral heating cable of wave pattern on the aluminium alloy plate; Be manufactured with many perforation on the aluminium alloy plate, adopt stainless steel wire that Mi mineral heating cable is being twined at punch position and be banded on the aluminium alloy plate, the two ends of aluminium alloy plate are provided with fixed strip; Be fixed with temperature pick up on the plate face, the hole that chemical anchor bolts pass fixed strip is fixed on heating board on the tunnel inwall.
The effect of the utility model is that this deicing device uses on the railway tunnel inwall, and heating board is fixed to the leakage point place, covers leakage point, walks to four effluents after making infiltration after being heated flow to the plate face.Heating board is connected with the distribution control cabinet through lead; The distribution control cabinet adopts chemical anchor bolts to be fixed on the tunnel inwall; Whether heating board is controlled through temperature controller in the power supply back needs heating, has solved the ice-melt difficult problem of railway tunnel, realizes railway tunnel ice-melt automation.
That this deicing device has is reliable, quick heating, simple to operate, power consumption less, advantage such as structure is little.Because the economy on this product breakthrough and price has technically determined that this product must produce good social benefit, specifically may be embodied in following some:
1, compared with need adopt the deicing device of earthenware heater element in the past, the core heat generating member that this device adopts is Mi mineral heating cables, insulation measures that it goes without doing.Because but heating cable undulate formula is laid; So the monoblock heating board is made arc shape and is adapted to tunnel circular arc inwall; Also can be according to use needs increase and decrease heating area; And can heating board be bent into arc shape and adapt to tunnel circular arc inwall, not receiving the limitation of environment for use, this is a kind of technological break-through in railway tunnel opens ice technology.Its characteristics are that the thermal efficiency is high, and low energy consumption is easy for installation, not limited to by environment, and fault rate is low, long service life, and cost is low.
2,, improve and open ice efficient and reduce system's operation cost because the reliability of properties of product can significantly reduce site operation workload and maintenance load.
3, after the product formation scale, generally promote market, can be railroad and save great amount of manpower and material resources.
Description of drawings
Fig. 1 is the interior layout figure of the control cabinet of the utility model;
Fig. 2 is the control cabinet outside drawing of the utility model;
Fig. 3 is the lateral view of the heating board of the utility model;
Fig. 4 be the heating board of the utility model in the tunnel circular arc inwall sectional view is installed.
Among the figure:
1, casing 2, panel 3, temperature controller
4, temperature and humidity controller 5, power supply lead wire 6, pilot
7, line breaker 8, fuse 9, auxiliary reclay
10, wiring terminal 11, heat block 12, Temperature Humidity Sensor
13, grounding rack 14, door-plate 15, indicator lamp
16, case lock 17, plexiglas window 18, heating board
19, Mi mineral heating cable 20, chemical anchor bolts 21, temperature pick up
22, aluminium alloy plate 23, fixed strip
The specific embodiment
Specify in conjunction with accompanying drawing and instance the utility model railway tunnel inwall deicing device structure and, the method for operation.
The core parts of the railway tunnel inwall deicing device of the utility model are Mi mineral heating cables; With the mineral heating cable as thermal source;, as power supply, realize the antifreeze and ice-melt of leakage point in the tunnel is handled as carrier with the fire resistant aluminum alloy plate with the distribution control cabinet.
The deicing device structure is in the electrified railway tunnels of the utility model: this device includes the distribution control cabinet and is fixed on the heating board 18 on the tunnel inwall; Said distribution control cabinet includes casing 1, panel 2, temperature controller 3, temperature and humidity controller 4, line breaker 7, fuse 8, auxiliary reclay 9, wiring terminal 10, heat block 11, Temperature Humidity Sensor 12, grounding rack 13, door-plate 14; On casing 1, be fixed with door-plate 5 through hinge; On panel 2, be provided with temperature controller 3, temperature and humidity controller 4, line breaker 7, fuse 8, auxiliary reclay 9, wiring terminal 10, heat block 11, Temperature Humidity Sensor 12 that pilot 6 is electrically connected each other; With screw grounding rack 14 is fixed on the panel 2; In casing 1, said casing 1 is connected with the heating board 18 that is fixed on the tunnel inwall to said panel 2 through pilot 6 through screw; Said door-plate 5 is provided with indicator lamp 15, case lock 16, plexiglas window 17.
Said heating board 18 is made up of an aluminium alloy plate 22 and both sides fixed strip 23; Be equipped with the Mi mineral heating cable 19 of wave pattern on the aluminium alloy plate 22; Be manufactured with many perforation on the aluminium alloy plate 22, adopt stainless steel wire that Mi mineral heating cable 19 is being twined at punch position and be banded on the aluminium alloy plate 22, the two ends of aluminium alloy plate 22 are provided with fixed strip 23; Be fixed with temperature pick up 21 on the plate face, the hole that chemical anchor bolts 20 pass fixed strip 23 is fixed on heating board 18 on the tunnel inwall.
The railway tunnel inwall deicing device function of the utility model is achieved in that
Like Fig. 1,2, shown in 3, temperature controller 3 directly is connected with heating board 18 interior Mi mineral cables 19 in the railway tunnel inwall deicing device of the utility model, and whether control Mi mineral cable 19 needs heating.Temperature and humidity controller 4, line breaker 7, fuse 8, auxiliary reclay 9, heat block 11, Temperature Humidity Sensor 12 play the safeguards system operate as normal and avoid short circuit in the The whole control loop.
The device technique parameter is following:
A. input voltage: AC 220V
B. heating board face size: 1000mm * 500mm * 10mm (can design according to actual needs)
C. heating board rated power: 550W (can design according to actual needs)
D. rated current: 2.5A (can design according to actual needs)
Applicable environmental requirement:
A. height above sea level: general≤1000m; Plateau type≤2500m;
B. environment temperature: the upper limit+40 ℃, lower limit-25 ℃, limit minimum temperature-40 ℃;
C. relative humidity: 95%RH;
D. earthquake intensity: can satisfy the requirement of 8 degree;
E. degree of protection: IP54;
F. be not suitable for combustible material is arranged, explosion danger, chemical attack and high vibration place.
The method of operation:
After the railway tunnel inwall deicing device energising of Fig. 1, the utility model shown in 2, on temperature controller 3, set high temperature setting value, the low temperature setting value of heating board.
When being installed in surface temperature on the heating board 18 on the tunnel wall and being lower than the low temperature setting value; Temperature pick up 21 feeds back a low-temperature signal, and this low-temperature signal is passed to temperature controller 3 through lead, and temperature controller 3 is opened heating modes; Mi mineral heating cable 19 begins heating; The plate surface temperature of heating board 18 raises gradually, and the leakage point of tunnel wall is heated simultaneously, freezes to prevent the infiltration on the tunnel wall.When the surface temperature of heating board 18 is increased to the high temperature setting value; High temperature signal of temperature pick up 21 feedbacks is to temperature controller 3, and temperature controller 3 cuts out heating mode, has the heating board 18 of high temperature this moment and lowers the temperature gradually; After being cooled to the low temperature setting value; Open heating again, circulation realizes the heating of Mi mineral heating cable 19 and stops successively, has realized ice-melt and energy-saving effect simultaneously.
If occur short circuit or open circuit conditions in the system, line breaker 7 can be opened, and the malfunction indicator lamp amber light is charged, shows fault.
Operation logic is as shown in Figure 4, after system energising, and 19 heatings of temperature controller 3 control Mi mineral heating cables, after the surface temperature of heating board 18 reaches set temperature value, temperature controller 3 power supply on the Mi mineral heating cable 19 that can break automatically; When the temperature at Mi mineral heating cable 19 places low behind the design temperature, system resumes work automatically.Through this kind circulation, realize Mi mineral heating cable 19 temperature controlling.
Mi mineral heating cable characteristic:
1, all forms because of mineral insulation heating cable,,, be particularly suitable for various explosion-proof places because of cable has reliable metal tube sealing and ground connection good so product fire prevention, fire-retardant and can not produce toxic gas by incombustible inorganic matter.
2, still can keep stablizing during up to more than 2000 degrees centigrade constant because of the magnesia insulation materials in temperature.Therefore the serviceability temperature limit of cable itself is exactly the maximum temperature that composition core and metallic jacket layer are born.
3, the insulating layer magnesia of product is a kind of inorganic substances, has fundamentally solved problem of aging so core and oversheath all are made up of metal, has prolonged the application life of cable greatly, has improved insulating properties.Can reach many decades following application life in defined terms.
4, product adopts the erosion of different outer tube ability oils, solvent and most of acids.Has good chemical stability.
5, good mechanical property, firm in structure because of it, can anti-twisting, extruding, bending, draw, rub and general big and heavy carrying.
6, the resistor-type heating that belongs to a kind of series connection because of the heating system of this cable, therefore heating is even, and the total length temperature difference is minimum.
7, heating power is big, and the unit power of general Mi mineral heating cable is 5W/m to 250W/m, the danger that this cable can not freeze because of the steam stop supplies as the Steam Heating pipeline, and opening power gets final product when needing, and does not need frequent maintenance.
8, low temperature resistant, the not brittle failure of constructing at low temperatures can be used for winter construction and maintenance.
Electric railway deicing device design feature:
1, through accurately calculating and optimal design, can under less power, realize ice-melt, thereby avoid the investment loss of user's increase-volume transformer, replacing power circuit.
2, the core control element in the system is a temperature controller.Behind setup parameter, to work under the control Mi heating cable low temperature condition, high temperature stops.Have LCDs on the temperature controller, simple to operate, reliable in quality and safety.
3, Mi mineral heating cable is wavy distribution in heating board, has improved wiring density, has increased the calorific value of unit area.This device is delivered to high temperature on the leakage point tunnel inwall that has extension ice through the hyperthermia radiation of heating board face, melts frozen water and realizes the ice-melt effect.
4, have earth leakage protective and fault prompt facility in the whole system, safe and reliable to operation.
This device is through heating board directly being fixed on the leakage point position in the tunnel, and the heating board after the energising is delivered to the wall that freezes with the form of hyperthermia radiation with heat, realizes the ice-melt of wall with this.Be furnished with temperature pick up on the heating board, treat heating board reach set temperature value after the control system cut off the power supply automatically, temperature low after the set temperature value, system resumes work again automatically.This device has been realized the intellectuality control to heating panel: this device both can be realized artificial manual heating, can be set to control heating automatically again, and apparatus structure was simple, volume is little, advantages such as convenience, reliable in quality are set
The electrified railway tunnels inwall deicing device of the utility model has guaranteed the reliability service of ice-melt function and device.The temperature controller of selecting for use according to technical requirements; Can guarantee the heating automatically in range of set temperature of Mi mineral heating cable; Heating board through being heated melts freezing of leakage point, saves great amount of manpower and material resources for railroad, has solved the antifreeze technical barrier of railway tunnel inwall ice-melt.
Claims (2)
1. deicing device in the electrified railway tunnels, it is characterized in that: this device includes the distribution control cabinet and is fixed on the heating board (18) on the tunnel inwall; Said distribution control cabinet includes casing (1), panel (2), temperature controller (3), temperature and humidity controller (4), line breaker (7), fuse (8), auxiliary reclay (9), wiring terminal (10), heat block (11), Temperature Humidity Sensor (12), grounding rack (13), door-plate (14); Upward be fixed with door-plate (5) at casing (1) through hinge; On panel (2), be provided with temperature controller (3), temperature and humidity controller (4), line breaker (7), fuse (8), auxiliary reclay (9), wiring terminal (10), heat block (11), Temperature Humidity Sensor (12) that pilot (6) is electrically connected each other; With screw grounding rack (14) is fixed on the panel (2); In casing (1), said casing (1) is connected with the heating board (18) that is fixed on the tunnel inwall to said panel (2) through pilot (6) through screw;
Said heating board (18) is made up of an aluminium alloy plate (22) and both sides fixed strip (23); Be equipped with the Mi mineral heating cable (19) of wave pattern on the aluminium alloy plate (22); Aluminium alloy plate is manufactured with many perforation on (22); Adopting stainless steel wire that Mi mineral heating cable (19) is being twined at punch position is banded on the aluminium alloy plate (22); The two ends of aluminium alloy plate (22) are provided with fixed strip (23), are fixed with temperature pick up (21) on the plate face, and the hole that chemical anchor bolts (20) pass fixed strip (23) is fixed on heating board (18) on the tunnel inwall.
2. deicing device in the electrified railway tunnels according to claim 1 is characterized in that: said door-plate (5) is provided with indicator lamp (15), case lock (16), plexiglas window (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204304154U CN202337923U (en) | 2011-11-03 | 2011-11-03 | Ice melting device in electrical railway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204304154U CN202337923U (en) | 2011-11-03 | 2011-11-03 | Ice melting device in electrical railway tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202337923U true CN202337923U (en) | 2012-07-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204304154U Expired - Fee Related CN202337923U (en) | 2011-11-03 | 2011-11-03 | Ice melting device in electrical railway tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202337923U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367645A (en) * | 2011-11-07 | 2012-03-07 | 中煤建筑安装工程公司第六十九工程处 | Lime-soil mixer |
| CN103046440A (en) * | 2012-12-19 | 2013-04-17 | 川铁电气（天津）集团有限公司 | Intelligent railway tunnel ice melting device |
| CN103743090A (en) * | 2014-01-21 | 2014-04-23 | 华能无锡电热器材有限公司 | Small-flow high-temperature and high-pressure resistance electric heater |
| CN104233991A (en) * | 2014-09-13 | 2014-12-24 | 芜湖市恒浩机械制造有限公司 | Heating device for sweeping and breaking all-in-one machine |
| CN104631228A (en) * | 2015-02-11 | 2015-05-20 | 中国神华能源股份有限公司 | Electric heating plate, electric control box and system for melting ice in railway tunnels |
| CN105297558A (en) * | 2015-10-27 | 2016-02-03 | 武汉大学 | Railway tunnel deicing device |
| CN105337455A (en) * | 2014-07-25 | 2016-02-17 | 博世汽车部件(长沙)有限公司 | Electromechanical device, vehicle starter motor and vehicle |
| CN105484758A (en) * | 2015-12-31 | 2016-04-13 | 西安交通工程学院 | Pneumatic deicing device for railway tunnel |
| CN109950799A (en) * | 2019-03-27 | 2019-06-28 | 温州腾骄环保科技有限公司 | A kind of electric power box of automatic snow |
| CN111769515A (en) * | 2020-06-08 | 2020-10-13 | 中冶南方城市建设工程技术有限公司 | Tunnel grounding intelligent method and device |
| CN114895734A (en) * | 2022-05-16 | 2022-08-12 | 深圳市简工智能科技有限公司 | Graphene heating intelligent control system, method, platform and readable storage medium |
-
2011
- 2011-11-03 CN CN2011204304154U patent/CN202337923U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367645A (en) * | 2011-11-07 | 2012-03-07 | 中煤建筑安装工程公司第六十九工程处 | Lime-soil mixer |
| CN103046440A (en) * | 2012-12-19 | 2013-04-17 | 川铁电气（天津）集团有限公司 | Intelligent railway tunnel ice melting device |
| CN103743090A (en) * | 2014-01-21 | 2014-04-23 | 华能无锡电热器材有限公司 | Small-flow high-temperature and high-pressure resistance electric heater |
| CN105337455A (en) * | 2014-07-25 | 2016-02-17 | 博世汽车部件(长沙)有限公司 | Electromechanical device, vehicle starter motor and vehicle |
| CN105337455B (en) * | 2014-07-25 | 2020-05-29 | 索恩格汽车部件（中国）有限公司 | Electromechanical device, vehicle starter motor and vehicle |
| CN104233991A (en) * | 2014-09-13 | 2014-12-24 | 芜湖市恒浩机械制造有限公司 | Heating device for sweeping and breaking all-in-one machine |
| CN104631228A (en) * | 2015-02-11 | 2015-05-20 | 中国神华能源股份有限公司 | Electric heating plate, electric control box and system for melting ice in railway tunnels |
| CN105297558A (en) * | 2015-10-27 | 2016-02-03 | 武汉大学 | Railway tunnel deicing device |
| CN105484758A (en) * | 2015-12-31 | 2016-04-13 | 西安交通工程学院 | Pneumatic deicing device for railway tunnel |
| CN109950799A (en) * | 2019-03-27 | 2019-06-28 | 温州腾骄环保科技有限公司 | A kind of electric power box of automatic snow |
| CN111769515A (en) * | 2020-06-08 | 2020-10-13 | 中冶南方城市建设工程技术有限公司 | Tunnel grounding intelligent method and device |
| CN114895734A (en) * | 2022-05-16 | 2022-08-12 | 深圳市简工智能科技有限公司 | Graphene heating intelligent control system, method, platform and readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
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