CN104420411B - A kind of thermostatically-controlled equipment and control method of pitch sprinkling paver emulsified asphalt tank - Google Patents
A kind of thermostatically-controlled equipment and control method of pitch sprinkling paver emulsified asphalt tank Download PDFInfo
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- CN104420411B CN104420411B CN201310379916.8A CN201310379916A CN104420411B CN 104420411 B CN104420411 B CN 104420411B CN 201310379916 A CN201310379916 A CN 201310379916A CN 104420411 B CN104420411 B CN 104420411B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/21—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for simultaneously but separately applying liquid material and granular or pulverulent material, e.g. bitumen and grit, with or without spreading ; for filling grooves and gritting the filling
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- Road Paving Machines (AREA)
Abstract
The invention discloses a kind of thermostatically-controlled equipment and control method thereof, for the emulsified asphalt tank of pitch sprinkling paver, realize heating and the heat insulation function of emulsified bituminous materials. This thermostatic control technology adopts TEMP and temperature control modules, uses the high-tension method of low-voltage control, shows in real time emulsified asphalt temperature the start and stop of control heating rod automatically, ensures temperature stabilization; This thermostatically-controlled equipment is made up of controller, touch control display, temperature sensor, relay, threephase alternator, breaker, three-phase ac contactor, rotary switch, indicator lamp, heating rod group, temperature switch. Keep the suitable temperature of emulsified bituminous materials to be conducive to spray and road surface bonding, but too high temperature can make emulsified bituminous materials breakdown of emulsion solidify simultaneously, therefore this thermostatic control technology and device thereof are the important component parts of pitch sprinkling paver, can ensure the normal operation of machine, prevent the waste of material, for construction quality and economic benefit provide guarantee.
Description
Technical field
Technical scheme of the present invention belongs to pitch sprinkling paver field, is specifically related to a kind of pitch sprinklingTemperature control equipment and the control method thereof of paver emulsified asphalt tank.
Background technology
Pitch sprinkling paver be one realize modified emulsifying asphalt synchronize with asphalt spread withThe pavement construction machinery paving, has on it and stores the tank body that emulsified asphalt is used, and volume is liter more than 2000.Emulsified bituminous materials generally need heat and remain at 60-70 DEG C of temperature and carries out spraying operation, in this temperatureThe benefit of the lower construction of degree has 2 points, and the one, viscosity is low, easily sprinkling, and the 2nd, be sprayed onto breakdown of emulsion behind groundFast, the high infiltration of speed; Emulsified bituminous materials can not contact more than 100 DEG C high temperature before sprinkling,At this temperature, emulsified asphalt can solidify by breakdown of emulsion, not only cannot spray, and even can stop up pipe when seriousRoad, damage equipment;
In the past, this kind of equipment adopted conduction oil technology to be incubated material in emulsified asphalt tank more, itsPrinciple is by heating conduction oil, is transmitted in emulsified asphalt tank contactless the heat of oil body.This technology cannot regulate temperature in asphalt tank in real time, only can carry out limited to the existing temperature of materialInsulation; And the method needs the extra parts such as conduction oil casing, pump and pipeline that increase, and causes layout tiredDifficulty, has taken limited space, make unitary construction become complicated, and cost is higher;
In addition, this kind of equipment also adopted by the method for gas heating and realized adding of material in asphalt tankHeat and insulation, by arrange combustion pipe in asphalt tank, pass to breast by the heat of fuel gas buringChange asphalt material. The method of this heating and insulation easily produces the inequality of being heated, particularly near combustionThe material that burns pipeline is subject to high temperature breakdown of emulsion and damages, and the energy utilization rate of gas heating is low, not environmental protection.
Summary of the invention
The technical problem to be solved in the present invention is: in constructing for sprinkling, emulsified bituminous materials is to temperatureParticular/special requirement, and above-mentioned the deficiencies in the prior art, the invention provides a kind of pitch sprinkling and paveThermostatically-controlled equipment and the control method thereof of machine emulsified asphalt tank.
This thermostatically-controlled equipment, by TEMP and temperature control modules, uses the high electricity of low-voltage controlThe method of pressing, shows emulsified asphalt temperature the start and stop of control heating rod automatically in real time, ensures heatingEffect and temperature stabilization; This thermostatically-controlled equipment by controller, touch control display, temperature sensor,Relay, threephase alternator, breaker, three-phase ac contactor, rotary switch, instructionLamp, heating rod group, temperature switch composition. Heating execution unit is the Novel heating rod of nine one group,The heating power of its single heating rod unit length is low, and the heating rod group of intensive composition both met and addsThe needs of heat, can realize again flexible temperature rise, avoid that caloric value is excessive in short-term; Meanwhile, heating rod groupInner integrated temperature switch, can control separately the start and stop of heating rod group as control assembly, play anti-The only effect of hot-spot. This thermostatic control technology and device control accuracy are high, safety and stability, andSimple in structure, cost is low, and the feature of environmental protection is good, for construction quality and economic benefit provide guarantee.
The concrete operations scheme that the present invention adopts is:
A thermostatically-controlled equipment for pitch sprinkling paver emulsified asphalt tank, by touch control display, temperatureSpend sensor, controller, temperature switch, relay, threephase alternator, breaker, revolveButton switch, indicator lamp, three-phase ac contactor, heating rod group form, and send two from controllerRoad low-voltage control signal, separates two groups of high-pressure work circuit from breaker; Wherein temperature switch, continueElectrical equipment, burner on light, three-phase ac contactor, heating rod group respectively have two, form respectively oneGroup; Two groups is relation in parallel, and shared touch control display, temperature sensor, controller, three intersectCurrent generator, breaker, rotary switch, power supply indicator; It is characterized in that wherein said touchingControl display, temperature sensor, controller, temperature switch, relay are low-voltage control assembly:Touch control display is connected with controller, and communication with it, is used for showing in real time Current Temperatures and inputDesired temperature; Controller is connected with temperature switch with temperature sensor, and controller passes by temperatureSensor detects material temperature in asphalt tank, and responsible program is carried out and output heating signal; Two-way addsThermal control signal passes through respectively temperature switch, then is connected with relay respectively, temperature switch and heatingRod group integrates, and near temperature Real-Time Monitoring heating rod group switching centre point, when local excess TemperatureTime, can disconnect heating control signal; Relay plays the transitional function of low voltage control high pressure, from temperatureThe control signal that switch is come is connected with the coil of relay, and the access of the normally opened contact of relay is highPress operating circuit, one end of contact is connected with rotary switch, the other end and three-phase ac contactorCoil is connected, and so just can realize two-way low-voltage control signal and pass through respectively temperature switch, and respectivelyBy relay, two groups of high-pressure work circuit are connected.
According to an aspect of the present invention, threephase alternator, breaker, rotary switch, instructionLamp, three-phase ac contactor, heating rod group are high voltage operation parts: threephase alternator withBreaker is connected, and its diesel engine by machine itself provides power, output three-phase alternating current, three-phaseThree live wires of alternating current access respectively in three wiring holes of breaker one end, phase voltage 230V,Line voltage 400V; Breaker has two ends, and wherein one end is connected with generator, and the other end is divided into twoRoad, is connected with the contact of three-phase ac contactor respectively, and two-way is relation in parallel, and breaker plays guarantorProtecting effect, is mainly to prevent that operating circuit from causing accident because of short circuit; Three-phase ac contactor is wiredCircle and normally opened contact two parts composition, coil-end is connected with rotary switch by relay, Chang KaiOne end, contact connecting breaker, the other end connects heating rod group and burner on light; Rotary switchBattery main switch, has three normally opened contacts, except two normally opened contacts are connected with relay, anotherAn outer contact is connected with power supply indicator; Indicator lamp is divided into power supply indicator and burner on light twoKind, opening power master switch, red power supply indicator is lighted, if now three-phase ac contactor is normalOpen the closing of contact, heating rod group starts heating, and green indicating lamp is corresponding to be lighted; Three-phase alternating current contactDevice is for controlling the break-make of main operating circuit.
According to an aspect of the present invention, described electrically heated rod group comprise terminal box, adpting flange,Internal thread short steel pipes, temperature switch, heating barred body, clip, wherein terminal box and adpting flange are logicalCross bolt and link together, internal thread short steel pipes is welded on the center of adpting flange, and temperature switch is logicalCross internal thread short steel pipes and be arranged on heating rod Zu center; Heating barred body is circular U by nine cross sectionsType heating rod forms, and wiring is drawn at the two ends of U-shaped heating rod; The power of every U-shaped heating rod equates.
According to an aspect of the present invention, this thermostatically-controlled equipment can regulate temperature in emulsified asphalt tank in real timeDegree, has heating and heat insulating functions.
According to another aspect of the present invention, a kind ofly apply above-mentioned pitch sprinkling paver emulsified asphaltThe control method of tank thermostatically-controlled equipment, mainly comprises the following steps: first need to check that diesel engine turnsWhether speed reaches required rotating speed, if do not meet speed conditions, heating signal will be closed automatically;As meet speed conditions then control system check whether liquid level condition meets in asphalt tank, ifLiquid does not reach the height at heating rod group and temperature sensor parts place, and temperature sensor cannotAccurately record fluid temperature; In the time that rotating speed and liquid level condition all meet, if now heater switch is beatenOpen, controller will be the setting value transmitting from touch control display and the reality recording from temperature sensorTime detected value contrast, when detected value be less than or equal to setting value subtract return difference value, controller can be defeatedGo out heating signal, subtract return difference value but be less than setting value when detected value is greater than setting value, controller willMaintain standing state constant, i.e. just still opening of being out of heating signal now, heating signal is to closeJust continue closing, when detected value is more than or equal to setting value, controller will cut out heating signal;Above control procedure is iterative cycles in director demon is carried out.
This thermostatically-controlled equipment automaticity is high, can regulate in real time temperature in emulsified asphalt tank to reachDesirable requirement, has heating and heat insulating functions, and the material in protection emulsified asphalt tank is avoidedWhen high temperature damages, be also conducive to spray construction and road surface bonding; And this constant-temperature control methodControl accuracy is high, and good stability is simple in structure, and cost is low, and it utilizes electric energy heating, also improvesThe feature of environmental protection; To sum up, this invention is the important component part of pitch sprinkling paver, can guarantee machineThe normal operation of device, prevents the waste of material, for construction quality and economic benefit provide guarantorBarrier.
Brief description of the drawings
To describe now as preferred but nonrestrictive embodiment of the present invention, of the present invention these and itsHis feature, aspect and advantage will become apparent in the time reading following detailed description in detail with reference to accompanying drawing,Wherein:
Fig. 1 is the circuit theory of the thermostatically-controlled equipment of pitch sprinkling paver emulsified asphalt tank of the present inventionSchematic diagram;
Fig. 2 is the thermostatic control of the thermostatically-controlled equipment of pitch sprinkling paver emulsified asphalt tank of the present inventionSchematic flow sheet;
Fig. 3 is the electrically heated rod of the thermostatically-controlled equipment of pitch sprinkling paver emulsified asphalt tank of the present inventionGroup front view;
Fig. 4 be in Fig. 3 electrically heated rod group A to cutaway view;
Fig. 5 be in Fig. 3 electrically heated rod group B to cutaway view.
In figure: A1 is touch control display, B1 is temperature sensor, and P1 is controller, and S1, S2 areTemperature switch, KA1, KA2 are relay, and G is threephase alternator, and QF1 is breaker, S3For rotary switch, L3 is power supply indicator, and KD1, KD2 are three-phase ac contactor, and L1, L2 areBurner on light, R1, R2 are heating rod group; 1, terminal box; 2, adpting flange; 3, internal threadShort steel pipes; 4, temperature switch; 5, heating barred body; 6, clip;
Detailed description of the invention
The following description be only in essence exemplary and be not for limit the disclosure, application orPurposes. Should be understood that, in whole accompanying drawings, corresponding Reference numeral represents identical or correspondingParts and feature.
Below in conjunction with accompanying drawing, the present invention is described in further details.
As shown in Figure 1, the thermostatically-controlled equipment of pitch sprinkling paver emulsified asphalt tank of the present invention byTouch control display A1, temperature sensor B1, controller P1, temperature switch S1, S2, relayKA1, KA2, threephase alternator G, circuit breaker Q F1, rotary switch S3, indicator lamp L1,L2, L3, three-phase ac contactor KD1, KD2, heating rod group R1, R2 form, and are divided into low voltage-controlledCircuit processed and high-pressure work circuit.
As can be known from Fig. 1, send two-way low-voltage control signal from controller P1, from breaker simultaneouslyQF1 separates two groups of high-pressure work circuit: temperature switch S1, relay K A1, indicator lamp L1, threeCross streams contactor KD1, heating rod group R1 form one group; Temperature switch S2, relay K A2,Indicator lamp L2, three-phase ac contactor KD2, heating rod group R2 form another group. Two groups is in parallelRelation, shares touch control display A1, temperature sensor B1, controller P1, threephase alternatorG, circuit breaker Q F1, rotary switch S3, indicator lamp L3. Two groups work alone, respectively by two-way controlSignal processed is controlled separately, and wherein heating rod group R1, R2 connect by flange respectively, and solid with boltFixed, be arranged in asphalt tank. These two groups of equipments are independent of each other, and one group is damaged another group and can continueContinuous work, has improved reliability and heating uniformity, and the heating power of heating rod group R1, R2Better meet the demand for heat of 2000 liters of large volume tank bodies.
Wherein said touch control display A1, temperature sensor B1, controller P1, temperature switch S1,S2, relay K A1, KA2 are low-voltage control assembly: touch control display A1 and controller P1 phaseConnect, and communication with it, be used for showing in real time Current Temperatures and input temp setting value; Controller P1Be connected with temperature switch S1, S2 with temperature sensor B1, controller P1 is by temperature sensor B1Detect material temperature in asphalt tank, and responsible program is carried out and output heating signal; Two-way adds thermal controlSignal processed passes through respectively temperature switch S1, S2, then is connected with relay K A1, KA2 respectively, temperatureSwitch S 1, S2 and heating rod group R1, R2 integrate, Real-Time Monitoring heating rod group switching centre pointNear temperature, in the time of local excess Temperature, can disconnect heating control signal; Relay K A1, KA2Play transitional function, the control signal of coming from temperature switch and the line of relay of low voltage control high pressureCircle is connected, and the normally opened contact of relay access high-pressure work circuit, one end and the knob of contact are openedClose S3 and be connected, the other end is connected with the coil of three-phase ac contactor KD1, KD2, like this with regard to energyRealize two-way low-voltage control signal and pass through respectively temperature switch S1, S2, and pass through relay K A1 respectively,KA2 connects two groups of high-pressure work circuit.
Threephase alternator G, circuit breaker Q F1, rotary switch S3, indicator lamp L1, L2, L3,Three-phase ac contactor KD1, KD2, heating rod group R1, R2 are high voltage operation parts: three intersectCurrent generator G is connected with circuit breaker Q F1, and its diesel engine by machine itself provides power, outputThree-phase alternating current, three live wires of three-phase alternating current access respectively three of circuit breaker Q F1 one end and connectIn line hole, phase voltage 230V, line voltage 400V; Circuit breaker Q F1 has two ends, wherein one end withGenerator is connected, and the other end is divided into two-way, respectively with the contact of three-phase ac contactor KD1, KD2Be connected, two-way is relation in parallel, and circuit breaker Q F1 shields, and is mainly to prevent operating circuitBecause short circuit causes accident; Three-phase ac contactor KD1, KD2 have coil and normally opened contact two partsComposition, coil-end is connected with rotary switch S3 by relay K A1, KA2's, normally opened contact oneEnd connecting breaker QF1, the other end connects heating rod group R1, R2 and indicator lamp L1, L2; KnobSwitch S 3 is battery main switch, has three normally opened contacts, except two normally opened contacts and relay K A1,Outside KA2 is connected, another one contact is connected with indicator lamp L3; Indicator lamp is divided into power supply indicator L3With burner on light L1, two kinds of L2, opening power master switch S3, red power supply indicator is lightedL3, if now three-phase ac contactor KD1, KD2 normally opened contact closure, heating rod group R1, R2Start heating, green indicating lamp L1, L2 is corresponding to be lighted; Three-phase ac contactor is used for controlling main workMake the break-make of circuit.
Heating rod group R1, R2 are the crucial execution units of this device, and heating function is realized by it, itsConcrete part is introduced as follows:
As shown in Figure 3 and Figure 4, described electrically heated rod group comprise terminal box 1, adpting flange 2,Internal thread short steel pipes 3, temperature switch 4, heating barred body 5, clip 6, wherein terminal box 1 and companyActing flange 2 is bolted together, internal thread short steel pipes 3 be welded on adpting flange 2 inThe heart, temperature switch 4 is arranged on heating rod Zu center by internal thread short steel pipes 3; Heating barred body 5Be that circular U-shaped heating rod forms by nine cross sections, wiring is drawn at the two ends of U-shaped heating rod; EveryThe power of U-shaped heating rod equates.
As shown in Figure 5, heating barred body 5 U-shaped heating rod two ends respectively through adpting flange 2 and withIt welds together, and the curved end of the U-shaped heating rod of heating barred body 5 is fixing by clip 6; ?The one side of terminal box 1 has 18 Binding post/studs to be connected with 18 wiring of heating barred body 5, and every threeRoot heating rod forms one group, adopts parallel way, nut crimping wiring; Nine heating rods form altogetherThree groups, the wiring of three groups is electrically connected with AC three-phase in terminal box 1, every group use wherein oneElectricity mutually, because every group of load is consistent, whole heating barred body 5 load electricity consumptions form three-phase equilibrium.The design of this electricity consumption three-phase equilibrium, has protected generating equipment, reaches the object of Electrical Safety, withTime, ensureing, under the prerequisite of large capacity tank body heating power demand, to reduce the power of single heating rod,Avoid that caloric value is large in short-term, realized the flexible temperature rise of emulsified asphalt.
So-called flexible temperature rise is special to be proposed the sensitiveness of temperature for emulsified bituminous materials, refers toThe temperature rise process of the non-violent formula of liquid in tank body, not to fluent material cause any damage andDestroy. The flexible temperature rise of electrically heated rod group of the present invention is mainly reflected in following two aspects: on the one hand,Time when single heating rod reaches thermal balance is shorter, and barred body surface temperature is stabilized in 90 DEG C very soonLeft and right; On the other hand, the contact area of whole electrically heated rod group and liquid is large, margin of power foot,By the heat exchange between barred body and liquid, realize the rising of fluid temperature.
Electrically heated rod group is evenly distributed with certain rule on circular flange; Nine heating rods are according to lengthAnd the difference of bending radius is divided into four kinds of different models, but watt level is the same, and is all single-phaseElectrician's operation mode, every like this three root knots are combined, and form three-phase equilibrium when work, play safetyEffect with protection device; Two outlet of nine circular heating rods is also all welded on ring flange,The power of single heating rod and Length Ratio, through calculating in detail and experiment, can ensure that single heating rod is realExisting flexible temperature rise, barred body surface temperature can not exceed 100 DEG C; Temperature switch S1, S2 Real-Time MonitoringNear temperature heating rod group switching centre point, controls separately heating rod start and stop, has avoided hot-spot.
Shown in Fig. 2, provide the control flow schematic diagram of this thermostatically-controlled equipment, control system againFirst need to check whether diesel engine speed reaches required rotating speed, if do not meet speed conditions, heatingSignal will be closed automatically, if reason is to provide the alternating current generator of power not reach by diesel engineRated speed, whole high-pressure work circuit does not just reach rated voltage, and its consequence can be damaged interchangeThe parts such as contactor, also can affect the heating of heating rod group and the effect being incubated;
Then control system also needs to check in asphalt tank, whether liquid level condition meets, if liquid does not reachTo the height at heating rod group and temperature sensor parts place, temperature sensor cannot accurately record liquidTemperature, the danger that this can cause control system to continue to send heating signal, causes heating rod group to holdContinuous energising dry combustion method, can damage parts when serious;
In the time that rotating speed and liquid level condition all meet, if now heater switch is opened, controller will beIt is right that the setting value transmitting from touch control display and the real-time detected value recording from temperature sensor carry outRatio, subtracts return difference value when detected value is less than or equal to setting value, and controller can be exported heating signal, whenDetected value is greater than setting value and subtracts return difference value but be less than setting value, and controller will maintain standing state notBecome, i.e. just still opening of being out of heating signal now, heating signal is that just continuing of closing closed,When detected value is more than or equal to setting value, controller will cut out heating signal; Whole process exists aboveIterative cycles in director demon execution. In above process, introduced the control of temperature return difference, object isPrevent system oscillation.
Claims (5)
1. a thermostatically-controlled equipment for pitch sprinkling paver emulsified asphalt tank, by touch control display,Temperature sensor, controller, temperature switch, relay, threephase alternator, breaker,Rotary switch, indicator lamp, three-phase ac contactor, heating rod group form, and send from controllerTwo-way low-voltage control signal, separates two groups of high-pressure work circuit from breaker; Wherein temperature switch,Relay, burner on light, three-phase ac contactor, heating rod group respectively have two, form respectivelyOne group; Two groups is relation in parallel and shared touch control display, temperature sensor, controller, three-phaseAlternating current generator, breaker, rotary switch, power supply indicator, is characterized in that, wherein saidTouch control display, temperature sensor, controller, temperature switch, relay are low-voltage control partPart: touch control display is connected with controller, and communication with it, be used for showing in real time Current Temperatures andInput temp setting value; Controller is connected with temperature switch with temperature sensor, and controller is by temperatureDegree sensor detects material temperature in asphalt tank, and responsible program is carried out and output heating signal; TwoHeating control signal in road is passed through respectively temperature switch, then is connected with relay respectively, temperature switch andHeating rod group integrates, and near temperature Real-Time Monitoring heating rod group switching centre point, works as local temperatureWhen too high, can disconnect heating control signal; Relay plays the transitional function of low voltage control high pressure, fromThe control signal that temperature switch is come is connected with the coil of relay, and the normally opened contact of relay connectsEnter high-pressure work circuit, one end of contact is connected with rotary switch, and the other end contacts with three-phase alternating currentThe coil of device is connected, and so just can realize two-way low-voltage control signal and pass through respectively temperature switch, andBy relay, two groups of high-pressure work circuit are connected respectively.
2. the thermostatically-controlled equipment of pitch sprinkling paver emulsified asphalt tank as claimed in claim 1,It is characterized in that threephase alternator, breaker, rotary switch, indicator lamp, three-phase alternating currentContactor, heating rod group are high voltage operation parts: threephase alternator is connected with breaker,It provides power by diesel engine of machine itself, exports three-phase alternating current, three of three-phase alternating currentLive wire accesses respectively in three wiring holes of breaker one end, phase voltage 230V, line voltage 400V;Breaker has two ends, and wherein one end is connected with generator, and the other end is divided into two-way, respectively with threeThe contact of cross streams contactor is connected, and two-way is relation in parallel, and breaker shields, mainTo prevent that operating circuit from causing accident because of short circuit; Three-phase ac contactor has coil and normally opened contactTwo parts composition, coil-end is connected with rotary switch by relay, and normally opened contact one end connects disconnectedRoad device, the other end connects heating rod group and burner on light; Rotary switch is battery main switch, altogetherThere are three normally opened contacts, except two normally opened contacts are connected with relay, another one contact and electricitySource indicator lamp is connected; Indicator lamp is divided into two kinds of power supply indicator and burner on lights, and opening power is totalSwitch, red power supply indicator is lighted, if three-phase ac contactor normally opened contact closure now addsHot pin group starts heating, and green burner on light is corresponding to be lighted; Three-phase ac contactor is for controllingThe break-make of main operating circuit.
3. the thermostatic control of pitch sprinkling paver emulsified asphalt tank as claimed in claim 1 or 2Device, is characterized in that, described heating rod group comprises that terminal box, adpting flange, internal thread are shortSteel pipe, temperature switch, heating barred body, clip, wherein terminal box and adpting flange connect by boltBe connected together, internal thread short steel pipes is welded on the center of adpting flange, and temperature switch passes through internal threadShort steel pipes is arranged on heating rod Zu center; Heating barred body is circular U-shaped heating by nine cross sectionsBar construction, wiring is drawn at the two ends of U-shaped heating rod; The power of every U-shaped heating rod equates.
4. the thermostatic control of pitch sprinkling paver emulsified asphalt tank as claimed in claim 1 or 2Device, is characterized in that, this thermostatically-controlled equipment can regulate temperature in emulsified asphalt tank in real time, hasHeating and heat insulating functions.
5. the pitch sprinkling paver emulsified asphalt tank described in an application rights requirement 1-4 any oneThe control method of thermostatically-controlled equipment, mainly comprises the following steps: first need to check diesel engine speedWhether reach required rotating speed, if do not meet speed conditions, heating signal will be closed automatically; AsMeet speed conditions and check in asphalt tank, whether liquid level condition meets, if liquid does not reach and addsThe height at hot pin group and temperature sensor parts place, temperature sensor cannot accurately record liquid temperatureDegree; In the time that rotating speed and liquid level condition all meet, if now heater switch is opened, controller willIt is right that the setting value transmitting from touch control display and the real-time detected value that records from temperature sensor are carried outRatio, subtracts return difference value when detected value is less than or equal to setting value, and controller can be exported heating signal, whenDetected value is greater than setting value and subtracts return difference value but be less than setting value, and controller will maintain standing state notBecome, i.e. just still opening of being out of heating signal now, heating signal is that just continuing of closing closed,When detected value is more than or equal to setting value, controller will cut out heating signal; Above control procedure existsIterative cycles in director demon execution.
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| CN201310379916.8A CN104420411B (en) | 2013-08-27 | 2013-08-27 | A kind of thermostatically-controlled equipment and control method of pitch sprinkling paver emulsified asphalt tank |
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| CN201310379916.8A CN104420411B (en) | 2013-08-27 | 2013-08-27 | A kind of thermostatically-controlled equipment and control method of pitch sprinkling paver emulsified asphalt tank |
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| CN108252184B (en) * | 2015-09-06 | 2019-12-20 | 张琴 | Automatic paving machine and working method thereof |
| CN112919797A (en) * | 2021-02-07 | 2021-06-08 | 通鼎互联信息股份有限公司 | VAD (vapor deposition) argon heating device for optical fiber preform core rod |
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| AU5166585A (en) * | 1984-12-27 | 1986-07-03 | Dynapac Aktiebolag | Device for spreading bituminous binder |
| CN201214751Y (en) * | 2008-07-02 | 2009-04-01 | 奔腾（国际）汽车科技有限公司 | Heating temperature control device for drum-type bituminous mixture bin |
| CN201406620Y (en) * | 2009-05-08 | 2010-02-17 | 山东奥邦机械设备制造有限公司 | Device for heating asphalt in tank body of intelligent asphalt distribution truck |
| CN103103910A (en) * | 2012-12-12 | 2013-05-15 | 常州市立威刀具有限公司 | Automatic heating device of paver |
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2013
- 2013-08-27 CN CN201310379916.8A patent/CN104420411B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5166585A (en) * | 1984-12-27 | 1986-07-03 | Dynapac Aktiebolag | Device for spreading bituminous binder |
| CN201214751Y (en) * | 2008-07-02 | 2009-04-01 | 奔腾（国际）汽车科技有限公司 | Heating temperature control device for drum-type bituminous mixture bin |
| CN201406620Y (en) * | 2009-05-08 | 2010-02-17 | 山东奥邦机械设备制造有限公司 | Device for heating asphalt in tank body of intelligent asphalt distribution truck |
| CN103103910A (en) * | 2012-12-12 | 2013-05-15 | 常州市立威刀具有限公司 | Automatic heating device of paver |
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