CN107288018A - A kind of microwave heater and its microwave heating wall on the spot - Google Patents
A kind of microwave heater and its microwave heating wall on the spot Download PDFInfo
- Publication number
- CN107288018A CN107288018A CN201710667172.8A CN201710667172A CN107288018A CN 107288018 A CN107288018 A CN 107288018A CN 201710667172 A CN201710667172 A CN 201710667172A CN 107288018 A CN107288018 A CN 107288018A
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- microwave
- microwave heating
- heating wall
- magnetron
- spot
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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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/03—Arrangements for curing paving; Devices for applying curing means; Devices for laying prefabricated underlay, e.g. sheets, membranes; Protecting paving under construction or while curing, e.g. use of tents
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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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/14—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces for heating or drying foundation, paving, or materials thereon, e.g. paint
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Constitution Of High-Frequency Heating (AREA)
Abstract
The invention discloses a kind of microwave heater microwave heating wall on the spot; including microwave heating frame; microwave heating frame inner homogeneous is arranged with some row's microwave heating components; each microwave heating component includes microwave and occurs magnetron, radiating guide and wave transparent protection board; the microwave energy that magnetron is used to produce 5.8GHz frequencies occurs for microwave; connection radiating guide below the microwave radiation mouth of magnetron occurs for microwave, and the lower horizontal of radiating guide sets wave transparent protection board.It is corresponding that the invention also discloses a kind of microwave using this microwave heating wall heater on the spot.Present invention use 5.8GHz frequency magnetron microwave heating techniques, the effective heat penetration 75mm ~ 80mm of bituminous paving, with high-efficient energy-saving environment friendly, heat penetration is moderate, interlayer temperature gradient is small, homogeneous heating advantage.
Description
Technical field
The present invention relates to road maintenance equipment technical field, and in particular to heater is heated a kind of microwave with microwave on the spot
Wall, further relates to a kind of microwave with this microwave heating wall heater on the spot.
Background technology
Heater is used for the heating and softening of bituminous paving, and heating technique is a core technology of in-situ heat regeneration on the spot,
The heater of producer is primarily present following several respects defect both at home and abroad at present:
(1) road surface is burned, environmental pollution.More than road-surface heating machine using combustion oil/gas open firing, gas-fired infrared heating or
Diesel oil Cycling hot-blast heating mode, bituminous paving heating-up temperature is difficult accurate control, easily causes bituminous paving 1mm~5mm top layers
The aging and coking of pitch, the pavement performance on road surface declines after regeneration, and work progress is more with substantial amounts of poisonous blue smoke, exists
Serious problem of environmental pollution;
(2) not enough, adaptability for working condition is poor for heat penetration.Existing road-surface heating machine heat penetration is 30mm~50mm deep, is led
Regeneration thickness is caused to be only capable of being confined to 30mm~50mm, the disease of deep layer cannot be handled well, and adaptability for working condition is poor;
(3) heat penetration is too deep, and deep layer level, which is matched somebody with somebody, to change.Using 2.45GHz frequency microwave heated asphalt pavement techniques,
Its heat penetration is up to 150mm, and actual in-situ heat regeneration depth is respectively less than 80mm, therefore the heating of 80mm~150mm bitumen layers
Energy is all wasted, and energy utilization rate is relatively low, and vehicle cross after easily cause the pushing of deep layer asphalt material, match somebody with somebody former road surface level
Change, influence regenerated road surface quality.
The content of the invention
It is an object of the invention to overcome, of the prior art not enough there is provided a kind of microwave heater and its microwave on the spot
Heating pad wall, using 5.8GHz frequency magnetron microwave heating techniques, the effective heat penetration 75mm~80mm of bituminous paving, with height
Imitate energy-conserving and environment-protective, heat penetration is moderate, interlayer temperature gradient is small, homogeneous heating advantage.
In order to solve the above technical problems, the invention provides a kind of microwave heater microwave heating wall, its feature on the spot
It is, including microwave heating frame that microwave heating frame inner homogeneous is arranged with some row's microwave heating components, each microwave heating
Component includes microwave and occurs magnetron, radiating guide and wave transparent protection board, and magnetron, which occurs, for microwave is used to produce 5.8GHz frequencies
Microwave energy, connection radiating guide below the microwave radiation mouth of magnetron occurs for microwave, and the lower horizontal of radiating guide sets saturating
Ripple protection board.
Further, microwave heating wall includes main microwave heating wall and two are located at main microwave heating wall left and right sides position respectively
The secondary microwave heating wall put, the structure of the secondary microwave heating wall in main microwave heating wall and both sides is identical, two secondary microwave heating walls with
Main microwave heating wall is hinged, so that the secondary relatively main microwave heating wall of microwave heating wall realizes 90 ° of upsets.
Further, magnetron occurs for microwave using water-cooled microwave magnetron, and cooling medium is water, conduction oil or cooling
Liquid.
Further, the microwave generation magnetron discharge order of adjacent row is identical, and magnetron occurs for adjacent microwave in often arranging
Drain pipe be connected with feed tube, cooling medium flow through feed tube and drain pipe to microwave occur magnetron carry out liquid-cooled drop
Temperature.
Further, it is cold scattered using the cooling pipe progress liquid of series connection between secondary, the major and minor microwave heating wall discharged successively
Heat.
Further, be disposed with microwave shielding device in the surrounding of microwave heating wall, the microwave shielding device include from
It is interior to the choke groove shell fragment, flexible shielding link network I and flexible shielding link network II that set gradually outside.
Further, the air line distance of choke groove shell fragment to radiating guide is 40mm~50mm, and choke groove shell fragment suppresses piece
Highly it is radiating guide wavelength Xg/ 4, the air line distance of flexible shielding link network I to radiating guide is 80mm~90mm, flexible shielding
The air line distance of link network II to flexible shielding link network I is 30mm.
Further, microwave leakage detecting device, the microwave leakage detection dress are disposed with the surrounding of microwave heating wall
Put, including signal acquisition antenna, impedance matching circuit, detecting circuit, amplifying circuit and the alarm lamp being sequentially connected, signal
Impedance matching circuit is input to after the microwave signal coupling that collection antenna will leak out out, and impedance matching circuit is by the letter received
Detecting circuit number is transmitted to, the frequency band signals that detecting circuit sends non-microwave deliver to amplifying circuit after filtering off, signal is entered in amplification
It is amplified, compared, judges and result of determination signal is input in warning circuit, warning circuit with pre-set value after row processing
Alarm is decided whether according to result.
Accordingly, present invention also offers a kind of microwave heater, including underpan traveling system on the spot, underpan traveling system
Upper carrying organic frame, frame is sequentially provided with driver's cabin, assistant engine, generating set and transformer tank from front to back, it is characterized in that,
Multigroup above-mentioned microwave heating wall is additionally provided with below frame, generating set and transformer tank provide work for microwave heating wall
Power supply.
Further, the top end face of main microwave heating wall is by telescopic tube connection frame bottom, secondary microwave heating wall
Bottom is connected by telescopic hydraulic stem with bottom of the frame, and at hydraulic stem stretching motion secondary microwave heating wall can led relatively
Microwave heating wall realizes 90 ° of upsets.
Compared with prior art, the beneficial effect that is reached of the present invention is:
1) microwave heating wall of the invention uses 5.8GHz frequency magnetron microwave heating techniques, and bituminous paving is effectively heated
Depth 75mm~80mm, the smokeless nonflame of heating process, pitch solves traditional infrared and Hot-blast Heating without aging, coking phenomenon
Mode easily burned bituminous paving causes the problem that environmental pollution and pavement performance decline;Overcome existing use 2.45GHz simultaneously
Frequency microwave heated asphalt road surface is too deep, deep layer ground surface material easily rolls pushing, energy utilization rate is low, interlayer temperature gradient is big
Defect, has the advantages that high-efficient energy-saving environment friendly, heat penetration are moderate, interlayer temperature gradient is small, homogeneous heating;
2) using unique series connection liquid-cooling heat radiation technology, cooling medium is water, conduction oil or coolant, and radiating is not deposited uniformly
At dead angle, liquid temperature can be effectively controlled, improves the key componentses job stabilitys such as magnetron;
3) using choke groove shell fragment+flexible shielding link network multilayer screen combination, all have to high and low frequency electromagnetic field good
Good shield effectiveness;
4) microwave leakage detecting device is surrounded by microwave heating wall, can be reported when having detected microwave leakage
It is alert, improve the security of equipment.
Brief description of the drawings
Fig. 1 is the front view of microwave of the present invention heater on the spot;
Fig. 2 is the top view of microwave of the present invention heater on the spot;
Fig. 3 is the stereogram (left front 45 °) of microwave of the present invention heater on the spot;
Fig. 4 is the stereogram (right after 45 °) of microwave of the present invention heater on the spot;
Fig. 5 is the driving states figure of microwave of the present invention heater on the spot;
Fig. 6 is microwave heating wall heating net surface structure schematic diagram;
Fig. 7 is Fig. 6 A-A sectional views;
Fig. 8 is Fig. 6 B-B sectional views;
Fig. 9 is Fig. 6 C-C sectional views;
Figure 10 is water-cooled microwave magnetron structural representation;
Figure 11 is the cooling pipe structural representation of microwave magnetron of the present invention;
Figure 12 is microwave shielding device arrangement schematic diagram of the present invention;
Figure 13 is microwave flexible shielding chain net structure scheme of installation of the present invention;
Figure 14 is microwave leakage detecting device fundamental diagram of the present invention;
Figure 15 be in the prior art 2.45GHz magnetrons heated asphalt road surface with time temperature rise change curve;
Figure 16 is the 5.8GHz magnetron heated asphalt road surfaces of the present invention with time temperature rise change curve.
Reference:1st, underpan traveling system, 2, frame, 3, generating set, 4, transformer tank, 5, microwave heating wall, 5-
Magnetron, 5-3-1, power interface, 5-3-2, radiating sleeve, 5- occur for the 1st, microwave heating frame, 5-2, extension sleeve, 5-3, microwave
3-3, feed tube, 5-3-4, drain pipe, 5-3-5, microwave radiation mouth, 5-4, cooling pipe, 5-4-1, cooling tube I are 5-4-2, cold
But pipe II, 5-4-3, cooling tube III, 5-4-4, cooling tube IV, 5-5, radiating guide, 5-6, wave transparent protection board, 5-7, micro-wave screening
Device, 5-7-1, choke groove shell fragment, 5-7-2, flexible shielding link network I, 5-7-3, flexible shielding link network II, 5-8, microwave leakage inspection
Survey device, 5-8-1, signal acquisition antenna, 5-8-2, impedance matching circuit, 5-8-3, detecting circuit, 5-8-4, amplifying circuit, 5-
8-5, alarm lamp, 5-9, main microwave heating wall, 5-10, secondary microwave heating wall, 6, cooling system, 7, assistant engine, 8, drive
Sail room;
L1, adjacent waveguide antenna left-right and front-back distance, L2, wave transparent protection board to bituminous paving distance, L3, choke groove shell fragment
To the air line distance of radiating guide, L4, the air line distance of flexible shielding link network I to radiating guide, L5, flexible shielding link network I to
The air line distance of flexible shielding link network II, H, the suppression piece height of choke groove shell fragment, R, the maximum mesh half of flexible shielding link network
Footpath.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in Figures 1 to 5, a kind of microwave of the invention heater, including underpan traveling system 1, frame 2, hair on the spot
Group of motors 3, transformer tank 4, microwave heating wall 5, cooling system 6, assistant engine 7 and driver's cabin 8;Described underpan traveling system
1 front-rear axle uses drive axle, and frame 2 is accepted on top, and possesses variable speed and all-wheel steering function, generating set 3
In the rear portion of frame 2, transformer tank 4 is provided with some groups, provided with dimension between the left and right sides of frame 2, adjacent transformers case 4
Passage is repaiied, microwave heating wall 5 is provided with four groups, is respectively positioned on the lower section of frame 2 and can vertically lift, in the middle of front wheels and rear wheels
Provided with two groups, one group is respectively equipped with before front-wheel and after trailing wheel, cooling system 6 is provided with some groups, positioned at a left side for generating set 3
Right both sides, assistant engine 7 is located at the front portion of frame 2, and the left side of assistant engine 7 is driver's cabin 8.
Every group of microwave heating wall 5 includes main microwave heating wall 5-9 and two are located at main microwave heating wall left and right sides respectively
The secondary microwave heating wall 5-10 of position, two pair microwave heating wall 5-10 and main microwave heating wall 5-9 are hinged, referring to Fig. 3 and
Shown in Fig. 4, main microwave heating wall 5-9 top is connected by extension sleeve 5-2 with the bottom of frame 2, and extension sleeve 5-2 is flexible
The terrain clearance 50mm of microwave heating wall 5~350mm regulation can be realized during motion.Secondary microwave heating wall 5-10 bottom is by can
Flexible hydraulic stem is connected with bottom of the frame, because secondary microwave heating wall 5-10 is hinged with main microwave heating wall 5-9, in hydraulic pressure
The relatively main microwave heating wall 5-9 of secondary microwave heating wall 5-10 can be made to realize 90 ° of upsets during bar stretching motion.Added by multiple microwaves
The mode of hot wall part combination, can be according to the width for being actually needed regulation heating ground.
Main microwave heating wall 5-9 is identical with the secondary microwave heating wall 5-10 in both sides structure, hereafter with regard to the whole of both compositions
Microwave heating wall is described in detail, and the microwave heating wall (row of i.e. whole microwave heating wall hereafter will be directly referred to as convenience
Array structure is secondary, major and minor mode).As described in Fig. 6 to Fig. 9, microwave heating wall includes microwave heating frame 5-1, and the microwave adds
Hot framework 5-1 top connection extension sleeve 5-2, the extension sleeve 5-2 bottom of other end connection frame 2, as shown in fig. 6, micro-
Wave heating framework 5-1 inner homogeneous is arranged with main microwave heating wall 5-9 and both sides pair in some groups of microwave heating components, the present invention
Microwave heating wall 5-10 length and width all same, (length direction) is uniformly provided with along the longitudinal direction inside microwave heating frame 5-1
Three row's microwave heating components, each microwave heating component includes microwave and occurs magnetron 5-3, radiating guide 5-5 and wave transparent protection
Plate 5-6.The microwave energy that magnetron 5-3 is used to produce 5.8GHz frequencies occurs for this microwave, and the microwave that magnetron 5-3 occurs for microwave is put
Connection radiating guide 5-5, radiating guide 5-5 lower horizontal set wave transparent protection board 5-6 (can specifically join below loophole 5-3-5
See Fig. 7-Fig. 9), in the embodiment of the present invention, radiating guide 5-5 is using 90 ° of waveguide bends, and wave transparent protection board 5-6 material is poly- four
PVF.Radiating guide 5-5 and wave transparent protection board 5-6 is used for the microwave energy for transmitting 5.8GHz frequencies.
Microwave of the present invention on the spot heater work when, diesel oil chemical energy is changed into 220V/380V electric energy by generating set 3,
Provided with low-tension transformer, high-tension transformer and commutation diode etc. in transformer tank 4, low-tension transformer is used for microwave heating wall
The filament voltage that magnetron 5-3 provides 3.0V, the half-wave times repoussage that high-tension transformer and rectification diode are constituted occur for middle microwave
Current circuit sends the anode voltage that magnetron 5-3 provides 4.65kV to microwave, converts electrical energy into endlessly electromagnetic energy,
Electromagnetic energy is penetrated into bituminous paving medium by radiating guide 5-5 and wave transparent protection board 5-6 media with transmission in the form of ripple
Portion, makes dielectric loss and generates heat, and shows as the rise of bituminous paving temperature.The smokeless nonflame of this microwave heating process, pitch without aging,
Coking phenomenon, solving traditional infrared and Hot-blast Heating mode easily burned bituminous paving causes environmental pollution and pavement performance to decline
Problem.
Adjacent left-right and front-backs of radiating guide 5-5 in adjacent microwave heating component are 30mm~50mm, wave transparent apart from L1
Protection board 5-6 is 60mm~80mm apart from L2 to bituminous paving, and microwave occurs magnetron 5-3 heated asphalts road surface effective depth and is
75mm~80mm.
Microwave occurs magnetron and easily operationally generates heat and damage, and need to cool down processing, and then magnetic occurs for microwave
Keyholed back plate 5-3 is using water-cooled microwave magnetron in the prior art, and in detail as shown in Figure 10, top is provided with power interface 5-3- to its structure
1, bottom is microwave transmissive openings 5-3-5, and radiating sleeve 5-3-2, radiating sleeve 5-3-2 side wall are provided with the middle cylinder portion of magnetron
On be communicated with feed tube 5-3-3 and drain pipe 5-3-4, with microwave magnetron 5-3 internally provided with vacuum pipe interference occurs for radiating sleeve 5-3-2
Coordinate, feed tube 5-3-3 and above and below drain pipe 5-3-4, left and right are staggered, the feed tube 5- that the cooling medium of low temperature passes through low liquid level
3-3 enters, and the cooling medium of high temperature is flowed out by the drain pipe 5-3-4 of high level.
The cooling pipe of whole microwave heating wall is as shown in figure 11, for single main microwave heating wall 5-9 or secondary microwaves
For heating pad wall 5-10, the drain pipe 5-3-4 that magnetron 5-3 occurs for adjacent microwave in often arranging is connected with feed tube 5-3-3, phase
The microwave generation magnetron 5-3 discharge orders of neighbour row are identical, i.e. the drain pipe of magnetrons occurs for all microwaves in side of adjacent row
5-3-4 is connected, corresponding, and all feed tube 5-3-3 of opposite side are connected.As can be known from Fig. 11, secondary microwave heating wall 5-
In 10, the feed tube 5-3-3 that magnetron 5-3 occurs for three row's microwaves positioned at microwave heating frame 5-1 rears is connected, accordingly
, the drain pipe 5-3-4 that magnetron occurs for three row's microwaves positioned at front is connected, for main microwave heating wall 5-9, position
The feed tube that magnetron occurs for three row's microwaves in front of microwave heating frame is connected, and accordingly, three rows being located behind are micro-
The drain pipe that magnetron occurs for ripple is connected.
In order that the cooling effect connection of whole microwave heating wall, cooling pipe 5- is introduced in microwave heating frame edge
4.Describe for convenience, from the point of view of microwave on the spot heater direction of advance, by the secondary microwave on the left of main microwave heating wall 5-9
Heating pad wall 5-10 is abbreviated as the secondary microwave heating wall in left side, and accordingly, the secondary microwave on the right side of main microwave heating wall 5-9 is heated
Wall 5-10 is abbreviated as the secondary microwave heating wall in right side.Cooling pipe 5-4 includes the secondary row's microwave of microwave heating wall rear three in connection left side
Three row's microwaves generation magnetron in front of the secondary microwave heating wall in the cooling pipe I5-4-1 of the feed tube of generation magnetron, even left side
The cooling pipe II5-4-2 of the feed tube of magnetron occurs for three row's microwaves in front of drain pipe and main microwave heating wall, and connection master is micro-
The row's microwave of Wave heating wall rear three occurs the secondary row's microwave of microwave heating wall rear three of the drain pipe of magnetron and right side and occurs magnetic control
Magnetron occurs for three row's microwaves in front of the cooling pipe III5-4-3 of the feed tube of pipe, and the secondary microwave heating wall in connection right side
The cooling pipe IV5-4-4 of drain pipe.Cooling medium is provided by cooling system 6 recited above, and cooling medium can use water, lead
Deep fat or automobile engine coolant, user can select suitable cooling medium according to actual conditions.Water is applied to environment temperature
Spend more than 10 degrees Celsius occasions.Conduction oil is applied to the auxiliary heating occasion of vehicle-mounted regenerative agent.Automobile engine uses coolant master
To be applied to north cold area, it is therefore an objective to prevent that cooling medium freezes caused by environment temperature is too low, triggers cooling failure
Cause component damage, it is impossible to normal work..Cooling medium flows according to arrow direction indication in Figure 11, i.e., cooling medium from
Cooling tube I5-4-4 enters three row's microwaves in the secondary microwave heating wall in left side and occurs the feed tube of magnetron, and cooling medium is from left side pair
The rear of microwave heating wall connects the front of secondary microwave heating wall on the left of runner always, is flowed out from drain pipe through cooling tube II5-
4-2 enters the feed tube that magnetron occurs for the main row's microwave of microwave heating wall three, in the drain pipe stream from main microwave heating wall rear
Go out to enter through cooling tube III5-4-3 the feed tube at the secondary microwave heating wall rear in right side, finally before the secondary microwave heating wall in right side
Square drain pipe outflow is flowed back in cooling system 6 through cooling tube IV5-4-4.That is secondary, the major and minor microwave heating discharged successively
Liquid-cooling heat radiation is carried out using the cooling pipe of series connection between wall.
Water cooling method system architecture is simply compact, and be easy to install and maintain maintenance, can effectively solve wind-cooling heat dissipating
Dead angle is uniformly not present in the problems such as mode poor cooling performance and Duct design processing difficulties, radiating, can effectively control cooling medium
Temperature, improve the key componentses job stability such as magnetron.
In order to obtain good micro-wave screening effect, protected using flexible shielding link network+choke groove shell fragment multilayer screen body
Design.Microwave shielding device 5-7, referring to shown in Fig. 7-Fig. 9 and Figure 12, the microwave are arranged in the surrounding of microwave heating wall 5
Screening arrangement 5-7 is made up of choke groove shell fragment 5-7-1, the 5-7-2 of flexible shielding link network I, the 5-7-3 of flexible shielding link network II, chokes
Groove shell fragment 5-7-1 has four groups, is respectively positioned on the 5-7-2 of flexible shielding link network I inner side, serves as the first layer protection of microwave leakage, its
Air line distance L3 to radiating guide 5-5 is 40mm~50mm, and it is radiating guide 5-5 that choke groove shell fragment 5-7-1, which suppresses piece height H,
Wavelength Xg/ 4, the 5-7-2 of flexible shielding link network I are fixed on the surrounding of microwave heating wall 5 by several bolt annulars, and it is to waveguide
Antenna 5-5 air line distance L4 is 80mm~90mm, and the 5-7-3 of flexible shielding link network II is located at the outer of the 5-7-2 of flexible shielding link network I
Side, the surrounding of microwave heating wall 5 is fixed on by several bolt annulars, its to the 5-7-2 of flexible shielding link network I air line distance
L5 be 30mm, the 5-7-2 of flexible shielding link network I and the 5-7-3 of flexible shielding link network II maximum web pore radius R for 6mm (referring to Figure 13
It is shown), after flexible shielding link network+choke groove shell fragment multilayer screen combination, the microwave of 5cm positions is let out on the outside of microwave heating wall
Leakage quantity can be controlled in 2mW/cm2Within, obtain good micro-wave screening effect.
In addition, the security in order to improve each element in microwave heating wall, microwave is disposed with the surrounding of microwave heating wall 5
Leak detecting device 5-8, described microwave leakage detecting device 5-8, by be sequentially connected signal acquisition antenna 5-8-1, impedance
Match circuit 5-8-2, detecting circuit 5-8-3, amplifying circuit 5-8-4 and alarm lamp 5-8-5 compositions, physical circuit is referring to figure
Shown in 14.Impedance matching circuit includes the electric capacity C1 and inductance L1 of series connection, in electric capacity C1 and inductance L1 node series inductance L2
Ground connection.Detecting circuit includes the wave filter that comparator U1 is constituted, and amplifying circuit includes the comparator that comparator U2 is constituted, and this belongs to
Prior art, physical circuit schematic diagram can be found in Figure 14.When this microwave leakage detecting device works, signal acquisition antenna 5-8-1
After the microwave signal coupling that will leak out out it is input to impedance matching circuit 5-8-2, impedance matching circuit 5-8-2 will be received
Signal is transmitted to detecting circuit 5-8-3, and the frequency band signals that detecting circuit 5-8-3 sends non-microwave deliver to amplifying circuit 5- after filtering off
8-4, amplifying circuit 5-8-4 are carried out after the signal of reception is handled with pre-set value (detecting circuit 5-8-3 output valve)
Amplify, compare, judge and result of determination signal is input in warning circuit 5-8-5, warning circuit 5-8-5 is determined according to result
Whether alarm, if amplifying circuit 5-8-4 monitoring result has reached default gate valve value, warning circuit 5-8-5 is carried out
Police instruction, otherwise will not alarm.
The operation principle of microwave of the present invention heater on the spot is as follows:Driver enters in driver's cabin 8, starts microwave and adds on the spot
The generating set 3 and assistant engine 7 of heat engine, under the driving of underpan traveling system 1, general 3m/min of operating speed or so, microwave
The terrain clearance of heating pad wall 5 is 50mm~70mm, is that microwave heating wall 5 provides working power by generating set 3 and transformer tank 4,
Microwave transmission magnetron radiates 5.8GHz frequency microwaves and bituminous paving is heated in microwave heating wall 5, and bituminous paving adds
Hot depth 75mm~80mm, by bituminous paving heater riser to 160 DEG C~180 DEG C of construction temperature.Microwave heating wall 5 is easily in work
Shi Fare and damage, start cooling system 6 provide cooling medium circulated, in microwave heating wall magnetron progress cooling drop
Temperature processing, the problems such as efficiently solving wind-cooling heat dissipating mode poor cooling performance and Duct design processing difficulties, radiating is not deposited uniformly
At dead angle, the temperature of coolant can be effectively controlled, improves the key componentses job stabilitys such as magnetron.
In order to contrast the heater on the spot of 2.45GHz frequency microwaves in the prior art and 5.8GHz frequency microwaves in the present invention
Heater on the spot to the heating effect of bituminous paving, the two equipment are respectively adopted and heat 1~6 minute to bituminous paving, so
Stop heating 1 minute afterwards.Effect can be found in shown in Figure 15 and Figure 16, and wherein Figure 15 is 2.45GHz frequency microwaves in the prior art
With time temperature rise change curve, Figure 16 is 5.8GHz frequency microwaves of the present invention with time temperature rise change curve.From figure
As can be seen that heater can rapidly be lifted at pavement temperature, road surface same depth the microwave of the present invention in shorter time on the spot
Temperature it is higher, and interlayer temperature gradient is small, homogeneous heating.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and modification can also be made, these improvement and modification
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of microwave heater microwave heating wall on the spot, it is characterized in that, including microwave heating frame, in microwave heating frame
Portion is evenly distributed some row's microwave heating components, each microwave heating component include microwave occur magnetron, radiating guide and
The microwave energy that magnetron is used to produce 5.8GHz frequencies occurs for wave transparent protection board, microwave, and the microwave radiation of magnetron occurs for microwave
Connection radiating guide below mouthful, the lower horizontal of radiating guide sets wave transparent protection board.
2. a kind of microwave according to claim 1 heater microwave heating wall on the spot, it is characterized in that, microwave heating wall bag
Include main microwave heating wall and two secondary microwave heating walls for being located at main microwave heating wall or so side position respectively, main microwave heating wall
Identical with the structure of the secondary microwave heating wall in both sides, two secondary microwave heating walls are hinged with main microwave heating wall, so that secondary microwave
The relatively main microwave heating wall of heating pad wall realizes 90 ° of upsets.
3. a kind of microwave according to claim 1 heater microwave heating wall on the spot, it is characterized in that, magnetic control occurs for microwave
Pipe uses water-cooled microwave magnetron, and cooling medium is water, conduction oil or coolant.
4. a kind of microwave according to claim 3 heater microwave heating wall on the spot, it is characterized in that, the microwave of adjacent row
Generation magnetron discharge order is identical, and the drain pipe that magnetron occurs for adjacent microwave in often arranging is connected with feed tube, and cooling is situated between
Mass flow occurs magnetron to microwave through feed tube and drain pipe and carries out liquid-cooled cooling.
5. a kind of microwave according to claim 2 heater microwave heating wall on the spot, it is characterized in that, discharge successively
Liquid-cooling heat radiation is carried out using the cooling pipe of series connection between secondary, major and minor microwave heating wall.
6. a kind of microwave according to claim 1 heater microwave heating wall on the spot, it is characterized in that, in microwave heating wall
Surrounding be disposed with microwave shielding device, it is choke groove shell fragment that the microwave shielding device includes setting gradually from inside to outside, soft
Property shielding link network I and flexible shielding link network II.
7. a kind of microwave according to claim 6 heater microwave heating wall on the spot, it is characterized in that, choke groove shell fragment is extremely
The air line distance of radiating guide is 40mm ~ 50mm, and it is highly radiating guide wavelength X that choke groove shell fragment, which suppresses piece,g/ 4, flexible shielding
The air line distance of link network I to radiating guide is 80mm ~ 90mm, the air line distance of flexible shielding link network II to flexible shielding link network I
For 30mm.
8. a kind of microwave according to claim 1 heater microwave heating wall on the spot, it is characterized in that, in microwave heating wall
Surrounding be disposed with microwave leakage detecting device, signal acquisition antenna that the microwave leakage detecting device includes being sequentially connected,
Impedance matching circuit, detecting circuit, amplifying circuit and alarm lamp, the microwave signal coupling that signal acquisition antenna will leak out out
Impedance matching circuit is input to after conjunction, received signal is transmitted to detecting circuit by impedance matching circuit, and detecting circuit will be non-micro-
The frequency band signals that ripple is sent deliver to amplifying circuit after filtering off, signal is amplified, compared, being judged and will by amplification with pre-set value
Result of determination signal is input in warning circuit, and warning circuit decides whether alarm according to result.
9. carry organic frame on a kind of microwave heater, including underpan traveling system on the spot, underpan traveling system, frame is from forward direction
After be sequentially provided with driver's cabin, assistant engine, generating set and transformer tank, it is characterized in that, be additionally provided with below frame multigroup
Microwave heating wall described in claim any one of 1-8, generating set and transformer tank provide working power for microwave heating wall.
10. a kind of microwave according to claim 9 heater on the spot, it is characterized in that, the top end face of main microwave heating wall leads to
Telescopic tube connection frame bottom is crossed, the bottom of secondary microwave heating wall is connected by telescopic hydraulic stem with bottom of the frame,
The relatively main microwave heating wall of secondary microwave heating wall can be made to realize 90 ° of upsets during hydraulic stem stretching motion.
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CN108265590A (en) * | 2018-03-13 | 2018-07-10 | 安徽工程大学 | A kind of hydraulic control system of asphalt road surface by microwave heating in-situ heat regeneration device |
CN111979890A (en) * | 2020-08-13 | 2020-11-24 | 江苏集萃道路工程技术与装备研究所有限公司 | Movable heating wall based on microwave magnetron |
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CN108086123A (en) * | 2018-01-17 | 2018-05-29 | 江苏集萃道路工程技术与装备研究所有限公司 | A kind of modularization subregion heated air circulation type asphalt pavement heater |
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CN108265590A (en) * | 2018-03-13 | 2018-07-10 | 安徽工程大学 | A kind of hydraulic control system of asphalt road surface by microwave heating in-situ heat regeneration device |
CN108265590B (en) * | 2018-03-13 | 2023-05-26 | 安徽工程大学 | Hydraulic control system of microwave heating asphalt pavement in-situ heat regeneration device |
CN111979890A (en) * | 2020-08-13 | 2020-11-24 | 江苏集萃道路工程技术与装备研究所有限公司 | Movable heating wall based on microwave magnetron |
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