Summary of the invention
The invention provides a kind of explosion-proof fire fighting truck that can use safely in the explosion risk environment.
A kind of explosion-proof fire fighting truck, comprise engine, starter, monitoring temperature platform, generator, vehicle-mounted coolant pump, on-board air conditioner, flasher assembly, instrument board, car door controller, wiper assembly, fire fighting supply pump, ECU, TCM, brake block, tire, driving belt, described engine adopts explosion-proof engine, described starter adopts explosion-proof starter, and described monitoring temperature platform adopts the explosion-proof temperature control and monitor console.
Described vehicle-mounted coolant pump adopts hoolivan to carry coolant pump, this coolant pump comprises pump case, impeller and pump motor, described pump case is connected with described pump motor, described impeller is positioned at pump case, described pump motor comprises housing, stator, rotor, main shaft, flange and end cap, described pump motor adopts permanent magnetic brushless, described stator adopts permanent magnet, described pump motor arranges electronic commutator, between described housing and flange and the end cap and the connecting portion between described flange and the pump case all adopt hermetically-sealed construction, described pump motor is connected with by wire and waters envelope explosion-proof type control box, described rotor arranges epoxy resin and waters seal, described main shaft adopts the wear-resistant ceramic product, and is connected with end cap with described flange respectively by Ceramic shaft sleeve, and described housing adopts the antistatic material product.
Described generator adopts explosion-proof power generator, this explosion-proof power generator comprises housing, carbon brush chamber, stator, armature spindle, rectifier and positive and negative electrode binding post, described housing is the INCREASEDSAFETY blast resistance construction, described carbon brush chamber line outlet arranges epoxy resin and waters the packing material, flameproof joint is adopted in the junction of described carbon brush chamber and described armature spindle, the three-phase full-wave bridge rectifier that described rectifier adopts 6 silicon rectifier diodes to form, described positive and negative electrode binding post is all drawn described housing by wire, and is connected with the fire fighting truck power circuit system.
Described on-board air conditioner adopts explosion-proof on-board air conditioner, and this explosion-proof on-board air conditioner comprises compressor, anti-explosion is electromagnetic clutch and explosion-proof vehicle-mounted air-conditioner temperature controller, described compressor be connected vehicle-mounted air-conditioner temperature controller and be connected with the anti-explosion is electromagnetic clutch respectively; Described compressor obtains power by the anti-explosion is electromagnetic clutch, and described on-board air conditioner body is regulated temperature by explosion-proof vehicle-mounted air-conditioner temperature controller;
Described anti-explosion is electromagnetic clutch, comprise compressor main shaft, on compressor main shaft, be coated with successively solenoid, belt pulley and driving-disc, described driving-disc is connected with belt pulley under the effect of solenoid, the elastic-friction sheet is set on the described driving-disc, described solenoid envelope has becket, and water envelope the insulation explosion-proof layer arranged, described driving-disc and belt pulley arrange respectively rubbing surface, described belt pulley and compressor main shaft are flexibly connected, described driving-disc is fixedly connected with compressor main shaft, described solenoid set temperature holding circuit, and described rubbing surface adopts antifriction material layer on fire;
Described explosion-proof vehicle-mounted air-conditioner temperature controller, comprise temperature-sensitive bag and housing, comparison circuit and rheostat are set in the described housing, described comparison circuit is connected with the temperature-sensitive bag with rheostat respectively by the conducting wire, described rheostatic knob stretches out housing, the junction of described knob and described housing arranges copper sheathing, and the binding site of described knob and described copper sheathing arranges explosion-proof composition surface.Described copper sheathing is connected with described housing seal, limit energy circuit is set in the described housing, described limit energy circuit is on the conducting wire between comparison circuit and the temperature-sensitive bag, in the cavity between described housing and described comparison circuit, limit energy circuit, the rheostat explosion-proof filler is set, described conducting wire is stretched out the housing place and is coated the explosion-proof seal that waters, its coated length is 5 ~ 20mm, fit clearance between described explosion-proof composition surface is 0.05 ~ 0.20mm, length of fit is 9.5 ~ 20mm, and the cavity net volume that described enclosure interior arranges behind the explosion-proof filler is 5 ~ 10cm
3
Described flasher assembly comprises explosion-proof flasher and explosion-proof power compensator, this explosion-proof flasher comprises shell and control circuit, described control circuit is by the low-voltage switches circuit, and high voltage switching circuit, pulse generating circuit, two utmost points amplify two-tube output circuit, two groups of light indicating circuits form; Described control circuit set temperature holding circuit, described control circuit and described temperature protection circuit are watered to be enclosed in the described shell;
Described wiper assembly adopts explosion-proof wiper; this explosion-proof wiper by wiper be connected the wiper controller that conduction connects and form; described wiper controller comprises housing and is positioned at microprocessor and the Fuse Type temperature protection circuit of housing, waters packing in the described housing and fill explosion-proof clay or epoxy resin.
Described car door controller adopts the hoolivan door controller; comprise housing; door control circuit is set in the housing; this door control circuit arranges the explosion-proof seal that waters; this explosion-proof seal that waters adopts epoxy resin or explosion-proof clay to water seal, is in series with temperature protection circuit on the power circuit of described door control circuit, and described temperature protection circuit adopts the Fuse Type temperature protection circuit; described housing adopts the antistatic material product, and this antistatic material product is the ABS material product that is added with conductive agent.
Described instrument board adopts the explosion-proof instrument dial plate, and this explosion-proof instrument dial plate comprises INCREASEDSAFETY shell and instrument board, and described instrument board is positioned at the INCREASEDSAFETY shell, and the signal input part of described instrument board arranges limit energy circuit, and described limit can be outside equipped with Flameproof box by circuit.
Described ECU adopts explosion-proof ECU, this explosion-proof ECU comprises ECU body and shell, described ECU body is arranged in the described shell, described shell is the INCREASEDSAFETY explosion-proof casing, be provided with temperature protection circuit on the described ECU body, between described ECU body and described shell explosion-proof filler is set, described explosion-proof filler is explosion-proof clay or epoxy resin;
Described TCM adopts explosion-proof TCM; this explosion-proof TCM comprises TCM body and shell; described TCM body is arranged in the described shell; described shell is the INCREASEDSAFETY explosion-proof casing; be provided with temperature protection circuit on the described TCM body; between described TCM body and described shell explosion-proof filler is set, described explosion-proof filler is explosion-proof clay or epoxy resin.
Described brake block adopts the antistatic brake block, this explosion-proof brake block comprises the brake block body, described brake block body is made of by the high temperature compacting is bonded to each other steel disc and friction material layer, described brake block body is provided with through hole, described steel disc one side is provided with elongated end, be installed with a support bar on this elongated end, be provided with sparge pipe on the described support bar, on the described sparge pipe control valve is set; In the described through hole temperature detect switch (TDS) is set, described control valve adopts magnetic valve, and this magnetic valve is connected with described temperature detect switch (TDS) by signal transmssion line.
Described tire adopts antistatic wheel tyre, this antistatic wheel tyre comprises tire body and wheel hub, be provided with the anti-slip tank line on the outer circumference surface of described tire body, be provided with some boss on the described tire body inner peripheral surface, the inside of described tire body is provided with some cavitys and inclined hole, be provided with one or more discharge conductor on the described tire body, an end of described discharge conductor is positioned at the edge of described wheel hub, and the other end of described discharge conductor is positioned at described tire body outer surface;
Described driving belt adopts the antistatic driving belt, this antistatic driving belt comprises a jointless annular base band, described annular base band inboard arranges enhancement Layer, described annular base band is connected with enhancement Layer is stacked, described annular base band and enhancement Layer periphery arrange the antistatic silica gel layer, at least one discharge conductor is set in described annular base band, enhancement Layer and the antistatic silica gel layer, and described discharge conductor runs through annular base band, enhancement Layer and antistatic silica gel layer and flushes with the working face of antistatic silica gel layer.
Because explosion-proof fire fighting truck of the present invention adopted explosion-proof engine, thereby avoided causing because tail gas discharge system excess Temperature and ashes Mars efflux that environment is flammable, the generation of damp and material breaking out of fire, explosion accident; Explosion-proof fire fighting truck of the present invention has taked the various sparks of avoiding to produce and the flame proof measure for the technical characterstic of electrical equipment, Circuits System, and nonmetal parts are all adopted the antistatic material goods, can effectively prevent the generation of electrostatic spark; Simultaneously, to the effective control measure that the operating temperature of each heating position is taked, therefore so that this fire fighting truck satisfies operation and the fire-fighting operation in inflammable and explosive place fully, can effectively stop the generation of fire.But explosion-proof fire fighting truck of the present invention with Secure Application in the industrial departments such as oil, chemical industry, pharmacy, light textile, military project, paint, pigment, coal and harbour, the place of containing explosive mixture such as railway, goods yard, warehouse carries out fire-fighting operation.In addition, present technique is simple in structure, and cost is low, and performance safety is reliable, and has certain energy-saving effect.
The specific embodiment
Such as Fig. 1,2, shown in 3, a kind of explosion-proof fire fighting truck, comprise engine 3, starter 2, monitoring temperature platform 1, generator 5, vehicle-mounted coolant pump 4, on-board air conditioner 6, flasher assembly 9, instrument board 10, car door controller 11, wiper assembly 12, fire fighting supply pump (not shown), ECU13, TCM14, brake block 15, tire 17, driving belt 19, described engine 3 adopts explosion-proof engine, described starter 2 adopts explosion-proof starter, described monitoring temperature platform 1 adopts the explosion-proof temperature control and monitor console, described flasher assembly 9 comprises explosion-proof flasher and explosion-proof power compensator, wherein, explosion-proof engine, explosion-proof starter, the explosion-proof temperature control and monitor console all has the application of applicant's separate case, and (applying for a patent title is followed successively by: a kind of explosion-proof engine and use the explosion-proof fire fighting truck of this explosion-proof engine; A kind of explosion-proof starter and use the explosion-proof fire fighting truck of this explosion-proof engine; A kind of explosion-proof temperature control and monitor console and use the explosion-proof fire fighting truck of this explosion-proof temperature control and monitor console), its structure repeats no more.
Referring to shown in Figure 4, described vehicle-mounted coolant pump 4 adopts hoolivan to carry coolant pump, this coolant pump comprises pump case 4-1, impeller 4-2 and pump motor 4-3, described pump case 4-1 is connected with described pump motor 4-3, described impeller 4-2 is positioned at pump case 4-1, and described pump motor 4-3 comprises housing 4-4, stator 4-5, rotor 4-6, main shaft 4-7, flange 4-8 and end cap 4-9.Described pump motor 4-3 adopts brushless electric machine, and described stator 4-5 adopts permanent magnet, and described pump motor 4-3 arranges electronic commutator, like this, need not to use the carbon brush commutation, the spark hazard of having avoided the carbon brush commutation to produce.Between described housing 4-4 and flange 4-8 and the end cap 4-9 and the connecting portion between described flange 4-8 and the pump case 4-1 all adopt hermetically-sealed construction, described pump motor 4-3 is connected with by wire 4-10 and waters envelope explosion-proof type control box 4-11, guarantees that these positions have good explosion insulation performance.Described rotor 4-6 arranges epoxy resin and waters seal 4-12.Described main shaft 7 adopts the wear-resistant ceramic product, and is connected with end cap 4-9 with described flange 4-8 by Ceramic shaft sleeve, can avoid producing friction high temperature and excessive wear.Consider that cooling water nearly might reach 100 ℃ high temperature and the static that might produce is dangerous, described housing 4-4 adopts exotic material man-hour and adds antistatic material adding.By having flame proof, electrostatic-proof function, by explosion-proof coolant pump is set in water tank, the shell of explosion-proof coolant pump adopts hermetically-sealed construction, shell adds and adopts exotic material man-hour and add antistatic material, described circuit control section waters envelope and processes, play explosion prevention function, can be applied to the explosion risk environment.
Referring to shown in Figure 5, described generator 5 adopts explosion-proof power generator, and this explosion-proof power generator comprises housing 5-1, carbon brush chamber 5-2, stator 5-3, armature spindle 5-4, rectifier 5-5, positive terminal 5-6 and negative terminal 5-7.Described housing 5-1 is the INCREASEDSAFETY blast resistance construction, has good explosion insulation performance to guarantee whole generator.Because produce easily spark in the carbon brush chamber 5-2, therefore at its line outlet epoxy resin being set waters the packing material, flameproof joint is adopted in the junction of carbon brush chamber 5-2 and described armature spindle 5-4 in addition, can guarantee that like this carbon brush chamber reaches the requirement of flame proof fully.Simultaneously, the three-phase full-wave bridge rectifier that described rectifier 5-5 adopts 5-6 silicon rectifier diode to form has namely avoided the carbon brush type rectifier structure easily to produce pyrophoric problem.Described positive terminal 5-6 and negative terminal 5-7 all draw described housing 5-1 by wire, and be connected with the fire fighting truck Circuits System, change thus traditional one wire system and be designed to double wire system, realize the bipolar wiring of generator, the generator complete machine is explosion-proof can work in the hazardous area thereby reach.Adopt said structure, the basic point of considering is: the function of rotor is to produce rotating excitation field, and rotor is comprised of the pawl utmost point, yoke, magnetic field winding, collector ring, armature spindle; Collector ring is positioned on the armature spindle, is connected with external circuit by connecting carbon brush.Because collector ring and carbon brush junction in use can produce spark, so utilize epoxy resin that the carbon brush chamber line outlet has been carried out watering the envelope processing, the faying face of carbon brush chamber 5-2 and armature spindle 5-4 is then carried out technological processing for explosion protection feature by the flame proof requirement.Independent the negative terminal 5-7 of generator housing 1 inside and housing 5-1, it is outside with electric wire the negative pole of generator to be drawn out to housing 5-1 from the negative terminal 5-7 of enclosure interior, link together with the negative line of whole system, change traditional one wire system and be designed to double wire system.By optimizing the Electromagnetic Design of complete machine, dangerous temperature can not appear when Inside coil is moved under the normal abnormal conditions of moving and may occurring.The reorganizer of explosion-proof power generator forms the three-phase full-wave bridge rectifier by 6 silicon rectifier diodes, has avoided the carbon brush type rectifier structure easily to produce pyrophoric problem.Secondly, because collector ring is positioned on the armature spindle, be connected with external circuit by connecting carbon brush, collector ring and carbon brush junction in use can produce spark, process so utilize epoxy resin that the carbon brush chamber line outlet has been carried out watering envelope, the faying face of carbon brush chamber and rotor shaft is then carried out technological processing for explosion protection feature by the flame proof requirement.In addition, described positive and negative electrode binding post is all drawn described housing by wire, and is connected with the fire fighting truck Circuits System, realizes the bipolar wiring of generator, and the generator complete machine is explosion-proof can work in the hazardous area thereby reach.
Referring to Fig. 6, described on-board air conditioner 6 adopts explosion-proof on-board air conditioner, realizes the explosion prevention function of on-board air conditioner, and main is the temperature rise at control evaporation fan, compressor transmission position and prevents circuit and the pyrophoric impact of friction product.Described explosion-proof on-board air conditioner comprises compressor 6-3, explosion-proof evaporation fan 6-5, anti-explosion is electromagnetic clutch 6-4 and explosion-proof vehicle-mounted air-conditioner temperature controller 6-2, and described compressor 6-3 is connected with anti-explosion is electromagnetic clutch 6-4.The anti-explosion is electromagnetic clutch that it adopts with the transmission of power of engine to vehicle-mounted air conditioner compressor, in transmission process, can not produce spark, the explosion-proof vehicle-mounted air-conditioner temperature controller that it adopts has in use also been avoided the generation spark, power consumption is little in the course of the work, has avoided the impact of vehicular power-bottle and avoids producing the hazards such as high temperature and electric spark and can use safely in the explosion risk environment.
Referring to Fig. 7, described compressor obtains power by the anti-explosion is electromagnetic clutch, described anti-explosion is electromagnetic clutch, comprise compressor main shaft 7-6, on compressor main shaft 7-6, be coated with successively solenoid 7-2, driving pulley 7-1 and driving-disc 7-3, elastic-friction sheet 7-4 is set on the described driving-disc 7-3, described solenoid 7-2 envelope has becket, and water envelope the insulation explosion-proof layer arranged, described driving-disc 7-3 and belt pulley 7-1 arrange respectively rubbing surface 7-5, described rubbing surface 7-5 adopts antifriction material layer on fire, described solenoid 7-2 set temperature controller.During this anti-explosion is electromagnetic clutch work, solenoid 7-2 is fixed on the shell of compressor of air conditioner, and driving-disc 7-3 is connected with compressor main shaft 7-6, and belt pulley 7-1 is installed in compressor head by bearing and covers, and can freely rotate.When air-conditioning switch is connected, electric current is by the solenoid 7-2 of electromagnetic clutch, and solenoid 7-2 produces electromagnetic attraction, and the driving-disc 7-3 of compressor is combined with belt pulley 7-1, the moment of torsion of engine is passed to compressor main shaft 7-6, make compressor main shaft 7-6 rotation.When disconnecting air-conditioning switch, the suction of solenoid 7-2 disappears, and driving-disc 7-3 and belt pulley 7-1 break away under spring leaf 7-4 effect, and compressor quits work.The envelope filler is watered in its solenoid inside and wire outlet part setting can prevent that solenoid from producing electric spark; in case solenoid set temperature protective device can guarantee that coil reaches temperature limit and disconnects immediately; guarantee the temperature that hazardous environment can not occur to light; rubbing surface adopts cast iron layer; can guarantee that belt pulley contacts with driving-disc and the time of releasing can not produce fire by friction; simple and practical, can use safely in explosion risk environment and installation easy-to-connect, flexible movements are reliable.
Referring to Fig. 8, described on-board air conditioner 6 is regulated temperature by explosion-proof vehicle-mounted air-conditioner temperature controller, described explosion-proof vehicle-mounted air-conditioner temperature controller, comprise temperature-sensitive bag 8-1, housing 8-3, the comparison circuit 8-6 that is connected with pilot 8-2 is set in the described housing 8-3, described comparison circuit 8-6 is connected with rheostat 8-7, the knob 8-10 of described rheostat 8-7 stretches out from housing 8-3 one end, described pilot 8-2 stretches out from the housing 8-3 other end, described temperature-sensitive bag 8-1 is connected with pilot 8-2, between the excircle of described knob 8-10 and the described housing 8-3 copper sheathing 8-8 is set, described copper sheathing 8-8 and described housing 8-3 are tightly connected, and between described knob 8-10 and the described copper sheathing 8-8 explosion suppresion surface 8-9 are set.Limit energy circuit 8-5 is set in the described housing 8-3, and described limit can be connected with pilot 8-2 by circuit 8-5.In the cavity between described housing 8-3 and described pilot 8-2, limit energy circuit 8-5, comparison circuit 8-6 and the rheostat 8-7 flame proof filler 8-4 is set.Described pilot 8-2 stretches out housing 8-3 and partly coats flame proof filler 8-4, and its length is 5 ~ 20mm.The fit clearance of described explosion suppresion surface 8-9 is 0.05 ~ 0.20mm, and length of fit is 9.5 ~ 20mm.The cavity net volume that described housing 8-3 inside arranges behind the flame proof filler 8-4 is 5 ~ 10cm
3This temperature controller is the electrical switchgear that can set the temperature of air conditioning for automobiles, and its temperature range is between 18 ℃ ~ 28 ℃.The sealing system that its structure is comprised of temperature-sensitive bag, rheostat, electronics comparison circuit, shell and knob etc.Its housing and comparison circuit, the volume that the flame proof filler reduces to enter the damp of enclosure interior is set in the cavity between rheostat and the pilot, make the gas burst power can not damage temperature controller structure, thereby arrange in the housing limit can circuit limitations the electric current of temperature controller circuit and voltage be no more than limit value and make its internal circuit can not cause electric spark, between knob and the copper sheathing explosion suppresion surface is set, even the gas of enclosure interior is lighted by electric spark, burning things which may cause a fire disaster can not scurried out from explosion suppresion surface yet, described pilot stretches out housing parts coating flame proof filler and has prevented that further damp from entering enclosure interior, the flame proof filler arranges heat-conducting mechanism can prevent circuit excess Temperature in the flame proof filler, thereby guarantees the circuit steady operation.Can use safely in explosion risk environment and installation easy-to-connect, flexible movements are reliable.
Referring to shown in Figure 9, described flasher assembly 9 comprises explosion-proof flasher 9-1 and explosion-proof power compensator 9-2, this explosion-proof flasher 9-1 comprises shell 9-3 and control circuit 9-4, described control circuit 9-4 is arranged in the described shell 9-3, described shell 9-3 adopts and waters seal structure, described control circuit 9-4 set temperature holding circuit 9-5; Described explosion-proof power compensator 9-2 can adopt the explosion-proof power of applicant's separate case application to mend
Repay device (applying for a patent name is called: flasher power compensator and use the explosion-proof fire fighting truck of this power compensator), its structure repeats no more.This flasher possesses the bulb malfunction diagnostic function, and after certain steering indicating light of a certain side broke down, this side flashing rate was accelerated.Shell 9-3 waters envelope and processes, and establishes temperature protection circuit 9-5, can be applied to the explosion risk environment.
Referring to shown in Figure 10, described instrument board 10 adopts the explosion-proof instrument dial plate, this explosion-proof instrument dial plate comprises INCREASEDSAFETY shell 10-1 and instrument board 10-2, described instrument board 10-2 is positioned at described INCREASEDSAFETY shell 10-1, the signal input part of described instrument board 10-2 arranges limit energy circuit 10-4, and described limit can be outside equipped with Flameproof box 10-3 by circuit 10-4.According to national explosion-proof criteria regulation, can not place the spark element among the INCREASEDSAFETY shell, so must limit and to process producing pyrophoric part in the instrument board circuit, make it to become the essential safe type circuit, so need to increase limit energy circuit, limit can be arranged in Flameproof box by circuit, electric current and the voltage of restriction pilot circuit are no more than limit value, thereby make its internal circuit can not cause electric spark, also avoided on the other hand limit to expose by circuit 10-4 electric component, make electrical equipment not have the possibility of short circuit, thereby make electric component not produce electric spark, satisfied the requirement of anti-explosion safety.
Referring to shown in Figure 11; described car door controller 11 adopts the hoolivan door controller; comprise housing 11-1; door control circuit 11-2 is set in the housing 11-1; be in series with temperature protection circuit 11-3 on the power circuit of described door control circuit 11-2, this temperature protection circuit 11-3 can adopt the Fuse Type temperature protection circuit.Described housing 11-1 adopts the antistatic material product, and this antistatic material product can adopt the ABS material product that is added with conductive agent.This door control circuit 11-2 arranges the explosion-proof seal 11-4 that waters, and this explosion-proof seal 11-4 that waters can adopt epoxy resin or explosion-proof clay to water seal.In this hoolivan door controller use procedure, when some Men Wei closed tight, detecting unit sent signal to control circuit, the control circuit output signal, and indicator lamp is lighted, prompting driver and crew closed door.Be in series with temperature controller on the power circuit of described door control circuit, described temperature controller adopts the Fuse Type temperature controller, and the explosive gas atmosphere on every side of avoiding igniting is avoided the generation of accident; Described door control circuit arranges the explosion-proof seal that waters, the described explosion-proof seal that waters adopts epoxy resin or explosion-proof clay to water seal, eliminate the possibility of outside imflammable gas contact converter internal heat element, reduce the converter inside element and be short-circuited and produce the possibility of electric spark, satisfied the requirement of anti-explosion safety; Described housing adopts the antistatic material product, and described housing adopts the ABS material product that is added with conductive agent, is conducive to the box body heat radiation and prevents static.
Referring to shown in Figure 12; described wiper assembly 12 adopts explosion-proof wiper; this explosion-proof wiper by wiper be connected the wiper controller that conduction connects and form; described wiper controller comprises housing 12-1 and is positioned at microprocessor 12-3 and the Fuse Type temperature protection circuit 12-2 of housing 12-1, waters packing in the described housing 12-1 and fill explosion-proof clay or epoxy resin.When operation windscreen wiper operating grip, wiper controller can be exported and scrape at a high speed the water signal, low speed is scraped the water signal, intermittently scraped water signal and spray signal, and hydroelectric machine is scraped in control and the spray motor is realized corresponding actions.Described wiper controller comprises housing and is positioned at microprocessor and the temperature-control circuit of housing that described temperature-control circuit adopts the Fuse Type temperature-control circuit, is conducive to prevent that device temperature is too high, the explosive gas atmosphere on every side of avoiding igniting; Water packing in the described housing and fill explosion-proof clay or epoxy resin, eliminate the possibility of outside imflammable gas contact converter internal heat element, reduced the converter inside element and be short-circuited and produce the possibility of electric spark, satisfied the requirement of anti-explosion safety.Therefore, the present invention is simple in structure, design is ingenious, explosion-proof effect good.
Described fire fighting supply pump arranges explosion-proof DC-DC converter; adopt said structure; cause in the circuit a certain element heating too high in case abnormal conditions occur; thereby might affect the thermal stability when affecting the explosion-proof performance of whole product that waters the envelope agent; the temperature controller holding circuit will disconnect whole circuit with the anti-explosion safety performance that guarantees product (wherein; explosion-proof DC-DC converter has the separate case application, and its structure repeats no more.)?。
Referring to shown in Figure 13; described ECU13 adopts explosion-proof ECU; this explosion-proof ECU comprises ECU body 13-1 and shell 13-2; described ECU body 13-1 is arranged in the described shell 13-2; described shell 13-2 is the INCREASEDSAFETY explosion-proof casing; be provided with temperature protection circuit 13-4 on the described ECU body 13-1, between described ECU body 13-1 and described shell 13-2 explosion-proof filler 13-3 be set.Described explosion-proof filler 13-3 is explosion-proof clay or epoxy resin. by the INCREASEDSAFETY explosion-proof casing is set, prevented that effectively external dust and water from entering reduction insulating properties in the housing, and prevented that metal sundries from entering inside and wire is torn the generation that causes the situations such as short circuit.In addition by explosion-proof filler 13-3 is set, has effectively played good flame proof effect, thereby reached explosion-proof purpose, with can Secure Application in the explosion risk environment.
Referring to shown in Figure 14; described TCM14 adopts explosion-proof TCM; this explosion-proof TCM comprises TCM body 14-1 and INCREASEDSAFETY explosion-proof casing 14-2; described TCM body 14-1 is arranged in the INCREASEDSAFETY explosion-proof casing 14-2; described TCM14-1 is provided with temperature protection circuit 14-4; water the explosion-proof thing 14-3 of envelope between described TCM14-1 and described INCREASEDSAFETY explosion-proof casing 14-2, described explosion-proof thing 14-3 adopts explosion-proof clay or epoxy resin.By the INCREASEDSAFETY explosion-proof casing is set, has prevented that effectively external dust and water from entering reduction insulating properties in the housing, and prevented that metal sundries from entering inside and wire is torn the generation that causes the situations such as short circuit.In addition by explosion-proof thing 14-3 is set, has effectively played good flame proof effect, thereby reached explosion-proof purpose, with can Secure Application in the explosion risk environment.
Referring to Figure 15, shown in 16, described brake block 15 adopts explosion-proof brake block, comprise the brake block body, described brake block body is made of by the high temperature compacting is bonded to each other steel disc 15-1 and friction material layer 15-2, described brake block body is provided with through hole 15-4, described steel disc 15-1 one side is provided with elongated end, be installed with a support bar 15-8 on this elongated end, be provided with sparge pipe 15-6 on the described support bar 15-8, on the described sparge pipe 15-6 control valve 15-7 is set, in the described through hole 15-4 temperature detect switch (TDS) 15-5 is set, described control valve 15-7 adopts magnetic valve, this magnetic valve is connected with described temperature detect switch (TDS) 15-5 by signal transmssion line, and described friction material layer one side is provided with the thickness warning line, and described friction material layer is provided with dust discharging grooves, by at the brake block body through hole 15-4 being set, air is got rid of along through hole 15-4 direction, and Air Flow is taken away the heat that brings because of brake, is conducive to the brake block heat radiation; In the described through hole 15-4 temperature detect switch (TDS) 15-5 is set, described steel disc 15-1 one side is provided with elongated end, be installed with a support bar 15-8 on this elongated end, be provided with sparge pipe 15-6 on the described support bar 15-8, on the described sparge pipe 15-6 control valve 15-7 is set, described control valve 15-7 adopts magnetic valve, and this magnetic valve is connected with described temperature detect switch (TDS) 15-5 by signal transmssion line.When surpassing, the brake block temperature sets value, automatic plugged, and magnetic valve is opened, and sparge pipe 15-6 sprays water to brake block, makes the brake block cooling; Described friction material layer one side is provided with the thickness warning line, and the user can judge whether to change brake block according to the thickness warning line, is conducive to prevent that friction material layer is finished steel disc and brake rim produces fire by friction; Described friction material layer is provided with dust discharging grooves, being conducive to friction material layer and the brake disc friction dust that mutual loss produces when friction can discharge timely and effectively, dust can't be accumulated, guaranteed the smooth of rubbing surface, also stablize the coefficient of friction of brake block, eliminated the friction noise that brings because of the rubbing surface out-of-flatness.
Referring to Figure 17, shown in 18, described tire 17 adopts antistatic wheel tyre, this antistatic wheel tyre comprises tire body 17-3 and wheel hub 17-1, be provided with anti-slip tank line 17-2 on the outer circumference surface of described tire body 17-3, be provided with some boss 17-4 on the described tire body 17-3 inner peripheral surface, the inside of described tire body 17-3 is provided with some cavitys and inclined hole (not shown), be provided with one or more discharge conductor 17-7 on the described tire body 17-3, the end of described discharge conductor 17-5 is positioned at the edge of described wheel hub 17-1, and the other end of described discharge conductor 17-7 is positioned at described tire body 17-3 outer surface; The groove 17-5 that cooperatively interacts is set on described wheel hub 17-1 and the described boss 17-4 mating surface, and better fixed tire body 17-3 increases the frictional force between wheel hub 17-1 and the boss 17-6, prevents that tire body 17-3 from coming off from wheel hub 17-1.In addition, be provided with one or more discharge conductor 17-7 on the described tire body 17-3, the end of described discharge conductor 17-7 is positioned at the edge of described wheel hub 17-1, the other end of described discharge conductor 17-7 is positioned at described tire body 17-3 outer surface, by between the ground plane of tire body 17-3 and the wheel hub 17-1 mode that electric conductor 17-7 is connected being set, the static of car body is imported the earth, guaranteed the safety of automobile.
Referring to shown in Figure 19, described driving belt 19 adopts the antistatic belt, this antistatic vehicle comprises a jointless annular base band 19-1 with driving belt, the inboard of described annular base band 19-1 arranges enhancement Layer 19-2, described annular base band 19-1 is connected with enhancement Layer 19-2 is stacked, described annular base band 19-1 and enhancement Layer 19-2 periphery arrange antistatic silica gel layer 19-3, described annular base band 19-1, at least one discharge conductor 19-4 is set among enhancement Layer 19-2 and the antistatic silica gel layer 19-3, and described discharge conductor 19-4 runs through annular base band 19-1, enhancement Layer 19-2 and antistatic silica gel layer 19-3 and flush with the working face 19-5 of antistatic silica gel layer 19-3.This driving belt not only grow but also can prevent generation of static electricity by the wear-resistant tensile intensity high life, for meeting the standard of zero tolerance, added therein the discharge conductor, can before accumulation of static electricity, its belt pulley through metal be conducted into the earth, thereby can prevent from igniting hazardous gas, guarantee the safety of people's life and property.
The explosion-proof fire fighting truck of this patent development is special in designing and produce in the hazardous area that may produce damp or dust.The electric appliance component that arranges on the explosion-proof fire fighting truck all passes through technological processing for explosion protection feature, thereby has protected equipment, avoids the generation of accident; Avoid electric component exposed, made electric component not have the possibility of short circuit, thereby make electric component not produce electric spark, satisfied the requirement of anti-explosion safety.But explosion-proof fire fighting truck with Secure Application in the industrial departments such as oil, chemical industry, pharmacy, light textile, military project, paint, pigment, coal and harbour, the place of containing explosive mixture such as railway, goods yard, warehouse carries out fire-fighting operation.