CN108087873A - Promote the heat gun of water conservancy diversion effect - Google Patents
Promote the heat gun of water conservancy diversion effect Download PDFInfo
- Publication number
- CN108087873A CN108087873A CN201611047030.3A CN201611047030A CN108087873A CN 108087873 A CN108087873 A CN 108087873A CN 201611047030 A CN201611047030 A CN 201611047030A CN 108087873 A CN108087873 A CN 108087873A
- Authority
- CN
- China
- Prior art keywords
- water conservancy
- area
- conservancy diversion
- along
- partition
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
Abstract
The present invention provides a kind of heat gun for promoting water conservancy diversion effect, include a head, set that there are one flow-guiding channels along the axial of virtual axis in head, there are one arrival end and the ports of export for being different from arrival end for flow-guiding channel tool, flow-guiding channel is set between arrival end and the port of export there are one input unit, one output section and a diversion division, there are two long side and two short sides for output section formation, two long sides are non-conterminous and relative to each other, two short sides are non-conterminous and relative to each other, diversion division is arranged between input unit and output section, there are two water conservancy diversion flanges in diversion division setting for flow-guiding channel, two water conservancy diversion flanges are adjacent to each other with two long sides respectively, and two water conservancy diversion flanges are relative to each other, heat gun makes outlet air flow velocity be evenly distributed by said structure, the uniform hot wind of temperature can be blown out.
Description
Technical field
The invention mainly relates to a kind of heat gun, espespecially a kind of heat gun for promoting water conservancy diversion effect.
Background technology
" modular gas burning hand-held tool " Patent Case of European Union's patent the EP1795803A2nd is referred to, announcement has
A kind of combustion gas hand tools is vertically arranged with a pipeline (7) including main body (3), for recyclegas by and support hand
Handle (5) and the main body (3) of combustor section (9) extension, it is general hollow, there is gas burning in its end set
Device (11) is simultaneously connected with pipeline (7).Combustor section (9) has the coupling part in contrast to the burner (11)
(13), main body (3) also has there are one coupling part (15), and the tie point of coupling part (13,15) is releasably attached to another
Person.
Traditional gas hot air gun principle system is with high pressure gas and Venturi tube is coordinated to mix gas.Gas nozzle in Venturi tube with
High speed gas is sprayed by means of high pressure, makes gas that outside air be driven to reach appropriate air rate in Venturi tube and bocca cavity and carry
High mixed air-flow amount.In the Venturi tube other end hollow rectification is set to mix air cavity, outside mixed air cavity rectifier cubice is set to cover, it is mixed to control
The flow velocity of gas and the uniformity simultaneously prevent flame from strile-bacing.Preferable high-power gas hot air gun outlet flame speed is just easily right soon
Quasi- heating target, while heat gun fireworks mouth width degree must be more wide better, with reach exact operations and short time can large area add
The purpose of heat.
But typical high power heat gun is since runner and bocca cavity design are bad, causes following several common to lack
It loses, including：
1. fireworks mouth outlet outlet is uneven, cause not being evenly heated.
2. the phenomenon that mixed gas and bad uneven derivative burning of outlet, in addition to efficiency of combustion is made to reduce waste gas, more exist
Excessive toxic carbon monoxide (CO) and nitrogen oxides (NOx) can be generated using process.
It 3. due to outlet fireworks mouth extreme temperatures, generates big heat and concentrates, the effect of it from radiant heat and conduction often results in
Bocca cavity appearance extreme temperatures, often up to more than Baidu Celsius, false touch burn hazard is high.
It causes crushing excessive 4. rectification shielding outlet is too small, makes whole flow-reduction, calorific value power can not be improved.
5. high pressure gas and mixed gas are in mixed air cavity and rectification shielding generates excessive turbulent flow, excessive noise is generated.
6. over-commutation makes fireworks mouth flame flow velocity too low, since flame direction is in horizontal direction mostly when heat gun operates,
It can make heating flame if flame flow velocity is too low when being influenced be subject to heat buoyancy up drift can not alignment target.Outdoor use is more easy to
It is disturbed by surrounding air flowing, can not be accurately aimed in the environment of having wind outside operation, more may be used in baffling wind or contrary wind
It can be too low because of flame flow velocity so that generating flame inversely burns unsafe condition to operator.
7. mixed gas is unstable with outlet, it is small only to adapt to the pressure limit of supply, if lighting rate significantly during atmospheric pressure variation
It reduces.
It is such the reason is that since the mixed air cavity of tradition is in sector, become along the mixed flow chamber section in Venturi tube axle center in rule
Change, to accelerate the activity duration during practical application, transient heating area need to be increased and improve heat gun calorific value power, so mixed flow chamber
Exit width cannot be narrow.When mixed flow chamber exit width increases, such design can not be equal in control of export by exit velocity
Even, it is fast to often result in crater both sides flow velocity, low (such as attachment one, for the heat of conventional gas hand-held tool actual use of intermediate flow velocity
Image frame and photo).If mixed flow chamber exit width reduced, heating surface (area) (HS is smaller under same operation distance, if will
Calorific value power increase can make heat collection small area, cause to overheat, because of the interference of heat buoyancy and air flow if distance is elongated
Operator is made to be not easy to be directed at heating region.Therefore high-power hot air gun fireworks mouth width degree must be more wide better, while exports fire
Flame speed is high, while requires uniformly to reach exact operations and uniformly heated purpose.
In addition to noise is generated, the heating non-uniform phenomenon that both sides heat two is higher is caused, since flame can not be sentenced close to transparent
Disconnected direction of heat flow, causes aligning direction and heating location during practical application to misfit, and generates alignment area underheat and both sides
The situation of superheated.Simultaneously because flow velocity is uneven, if incomplete combustion is easily caused in both ends from fire when heat is improved during use.
But if attempting the frictional force between deflector control often increase fluid, whole flow and efficiency are reduced.
And since big heat is concentrated, cause the effect of outlet fireworks mouth extreme temperatures, it from radiant heat and conduction, general flame
Extreme temperatures are seen in oral cavity in vitro, and often up to more than Baidu Celsius, false touch burn hazard is high.Even if after stopping burning, also need quiet
Put a period of time etc. it is to be cooled, high temperature can not be judged by user, it is easier to false touch be caused to scald.
It by taking above-mentioned conventional gas hand-held tool as an example, refer to shown in Figure 11, show for the use state of conventional gas hand-held tool
It is intended to.Combustion gas hand tools using the above structure, because its end set has gas combustion apparatus 11 ', and gas combustion apparatus
11 ' be netted, and main in vivo pipeline is cylindrical, is the location stream closer to center when burning gases flow in pipeline
Speed is faster, and when burning gases are by main body and when flowing to combustor section 9 ', the velocity flow profile of burning gases can still maintain this
Trend, necessarily can not be totally by that can be stopped and change flow direction, also when contacts combustion gases to gas combustion apparatus 11 '
Because the combustion gas flow rate in 9 ' center of combustor section is very fast, can be flowed in the direction of both sides in combustor section 9 ' after being stopped
It goes, the flow both sides for causing 9 ' burning gases of combustor section are more and central less, in turn result in the blowout of combustion gas hand tools
Hot blast temperature it is uneven, the temperature of both sides is higher and central relatively low instead, and the combustor portion after combustion gas hand-held tool use
The temperature for dividing 9 ' is very high, and user can not simultaneously be judged by appearance, be easy to cause user's false touch and scalded.
The content of the invention
The present invention promotes the heat gun of water conservancy diversion effect its main purpose is, providing a kind of hot wind for promoting water conservancy diversion effect
Rifle solves the above-mentioned technical problems in the prior art.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of heat gun for promoting water conservancy diversion effect, which is characterized in that include：One head, along a void in the head
Intend the axial of axis to set there are one flow-guiding channel, there are one arrival ends and one to be different from the arrival end for flow-guiding channel tool
The port of export, the flow-guiding channel set there are one input unit, an output section and one to lead between the arrival end and the port of export
Stream portion, the output section are formed there are two long side and two short sides, and two long sides are non-conterminous and relative to each other, and two short sides are not
Adjacent and relative to each other, which is arranged between the input unit and the output section, which is set in the diversion division
There are two water conservancy diversion flange, two water conservancy diversion flanges are adjacent to each other with two long sides respectively, and two water conservancy diversion flanges phase each other
It is right.
There are one axially extending along a first virtual extension line using two water conservancy diversion flanges as boundary's formation for the diversion division
First-class area, one along a second virtual extension line axially extending second area and a Ge Sanliu areas, the first-class area
It is located at the different both sides of the water conservancy diversion flange respectively with the second area, the 3rd stream area is located between two water conservancy diversion flanges, should
The one side in the 3rd stream area is connected to the first-class area and different opposite side is connected to the second area, the first-class area along this
The area of section of one virtual extension line radial direction is from one end of the neighbouring input unit toward the direction of one end of the neighbouring output section in gradually
Contracting, which is more than by the area of section of the midpoint along the first virtual extension line radial direction of the input unit to the output section should
Input unit along the imaginary axis line footpath to 0.25 times of area of section and less than 0.4 times, which second virtually prolongs along this
Stretch line footpath to the direction of area of section from one end of the neighbouring input unit toward one end of the neighbouring output section be in tapered, this second
It flows area and is more than the input unit edge along the area of section of the second virtual extension line radial direction by the midpoint of the input unit to the output section
The imaginary axis line footpath to 0.25 times of area of section and less than 0.4 times.
The first-class area is the input unit along the imaginary axis line footpath along the maximum secting area of the first virtual extension line radial direction
To area of section 1/3rd, the second area along the second virtual extension line radial direction maximum secting area be the input unit
Along the imaginary axis line footpath to area of section 1/3rd.
Second virtually prolong along minimum widith and the second area of the first virtual extension line radial direction along this in the first-class area
Stretch line footpath to minimum widith be more than the 3rd stream area along the imaginary axis line footpath to minimum widith.
The first virtual extension line and the second virtual extension line are by the virtual axis and on the basis of the virtual axis
In symmetrical, angle one diffusion angle of formation between the first virtual extension line and the second virtual extension line, the angle of flare
Degree is more than 60 degree and less than 160 degree.
The heat gun is included there are one fan housing, which is arranged at the head and positioned at the port of export of the flow-guiding channel, should
Fan housing is included there are one first partition, a second partition and a cover body, which is arranged at this with the second partition
The port of export of flow-guiding channel, the first partition are prolonged with the second partition along the parallel virtual axis shaft to the direction with the long side
It stretches, which is arranged at the first partition along the imaginary axis line and is different from the one of the output section with the second partition with radially extending
Side, the cover body are worn there are one first through hole, second through hole and a third through-hole, the first through hole be located at this first every
Between plate and the second partition, which corresponds to the first partition and is located at the first partition along the parallel virtual axis shaft
To direction be different from the one side of the output section, the third through-hole correspond to the second partition and positioned at the second partition along it is parallel should
Virtual axis shaft to direction be different from the one side of the output section.
The cover body is worn there are one fourth hole and a fifth hole, which is located at the first partition and is different from
The one side of the second partition, the fifth hole are located at the one side that the second partition is different from the first partition.
The water conservancy diversion flange is adjacent to direction of the outer peripheral edge of the different both sides of two short sides from the output section toward the input unit
It is close to each other and in tapered.
The water conservancy diversion flange has nonplanar external form profile adjacent to the outer peripheral edge of the different both sides of two short sides.
The parallel imaginary axis line footpath in the long edge to direction tool there are one long edge lengths, the short side is along the parallel imaginary axis
Line footpath to direction tool there are one short side width, which is more than the maximum width of the flow-guiding channel arrival end, the short side
Width is less than the minimum widith of the flow-guiding channel arrival end.
Two water conservancy diversion flanges are respectively arranged with a top surface adjacent to mutual one side, and the distance between two top surfaces are big
In or equal to the short side width.
The distance between two top surfaces are equal to the short side width.
Two top surfaces can be parallel to each other or both between form the angle more than 0 degree and less than 10 degree, this two are pushed up
Face is more than two top surfaces adjacent to the one side of the output section between the two adjacent to the one side of input unit distance between the two
Distance.
The distance between the first partition and the second partition are more than the short side width.
The output section along the imaginary axis line footpath to area of section be more than the input unit along the imaginary axis line footpath to section
0.8 times of area and less than 1.2 times.
The output section along the imaginary axis line footpath to area of section and the input unit along the imaginary axis line footpath to section face
Product is equal.
The input unit along the imaginary axis line footpath to section it is rounded, the output section along the imaginary axis line footpath to section it is general
In quadrangle.
Compared with prior art, the invention has the advantages that：The flow-guiding channel of the heat gun is several with reference to three kinds
The design of what feature coordinates section variation effectively to control pressure and flow field in mixed air cavity by the water conservancy diversion of mixed air cavity curved surface,
Reflux and the generation of turbulent flow can be greatly decreased, promote efficiency of combustion, effectively reduce noise, reduce pressure drop, supplied in similarity condition
Whole flow is promoted under pressure, while outlet air flow velocity is made to be evenly distributed, so burning condition is easy to control, increases and adapts to supply
The pressure limit of gas, even if supply gas pressure lights rate not susceptible when changing.
Description of the drawings
Fig. 1 is the stereo appearance figure figure for the heat gun that the present invention promotes water conservancy diversion effect.
Fig. 2 is the three-dimensional exploded view on the heat gun head that the present invention promotes water conservancy diversion effect.
Fig. 3 is the sectional structure chart on the heat gun head that the present invention promotes water conservancy diversion effect.
Fig. 4 is the sectional structure chart at another visual angle in heat gun head that the present invention promotes water conservancy diversion effect.
Fig. 5 is the sectional structure chart for the hot air gun air cover that the present invention promotes water conservancy diversion effect.
Fig. 6 be the present invention promoted water conservancy diversion effect heat gun output section along imaginary axis line footpath to sectional structure chart.
Fig. 7 be the present invention promoted water conservancy diversion effect heat gun diversion division along imaginary axis line footpath to sectional structure chart.
Fig. 8 is the usage state diagram for the heat gun that the present invention promotes water conservancy diversion effect.
Fig. 9 is the usage state diagram for the heat gun that the present invention promotes water conservancy diversion effect.
Figure 10 is the usage state diagram for the heat gun that the present invention promotes water conservancy diversion effect.
Figure 11 is the use state diagram of conventional gas hand tools.
Reference sign：10 heat guns；20 heads；21 flow-guiding channels；211 arrival ends；212 ports of export；213 inputs
Portion；214 output sections；215 diversion divisions；216 long sides；217 short sides；22 water conservancy diversion flanges；221 top surfaces；23 first-class areas；24 seconds
Area；25 the 3rd stream areas；30 fan housings；31 first partitions；32 second partitions；33 cover bodies；331 first through hole；332 second through holes；333
Third through-hole；334 fourth holes；335 fifth holes；9 ' combustor sections；11 ' gas combustion apparatus；The virtual axis of L；D long sides
Length；W short side width；A diffusion angles；The first virtual extension lines of C1；The second virtual extension lines of C2.
Specific embodiment
It refer to shown in Fig. 1 and Fig. 2, the stereo appearance figure of the heat gun of water conservancy diversion effect and standing for head promoted for the present invention
Body exploded view.Heat gun 10 of the present invention includes a head 20 and a fan housing 30；Wherein：
Continue referring to shown in Fig. 3 to Fig. 5, for the present invention promoted water conservancy diversion effect heat gun head sectional structure chart,
The sectional structure chart at another visual angle in head and the sectional structure chart of fan housing.It is set in the head 20 along the axial direction of a virtual axis L
It puts there are one flow-guiding channel 21, there are one arrival end 211 and an outlets for being different from the arrival end 211 for the flow-guiding channel 21 tool
End 212, the flow-guiding channel 21 set there are one input units 213, one to export between the arrival end 211 and the port of export 212
Portion 214 and a diversion division 215, the output section 214 are more than 213 edge of input unit along the area of section of the virtual axis L radial directions
0.8 times of the area of section of the virtual axis L radial directions and less than 1.2 times, which cuts along the virtual axis L radial directions
Face area is equal in the present embodiment along the area of section of the virtual axis L radial directions with the input unit 213.
It continues referring to shown in Fig. 6 and Fig. 7, the heat gun output section of water conservancy diversion effect is promoted along imaginary axis line footpath for the present invention
To sectional structure chart and diversion division along imaginary axis line footpath to sectional structure chart.The input unit 213 along the virtual axis L radially
Section it is rounded, along the section of the virtual axis L radial directions generally in quadrangle, which is formed with two for the output section 214
A long side 216 and two short sides 217, two long sides 216 are non-conterminous and relative to each other, two short sides 217 it is non-conterminous and that
This is opposite, and the long side 216 is along the direction tool of the parallel virtual axis L radial directions there are one long edge lengths D, and the short side 217 is along parallel
The direction tool of the virtual axis L radial directions is there are one short side width W, and the long edge lengths D is more than 21 arrival end 211 of flow-guiding channel
Maximum width, short side width W are less than the minimum widith of 21 arrival end 211 of flow-guiding channel.
The diversion division 215 is arranged between the input unit 213 and the output section 214, and the flow-guiding channel 21 is in the diversion division
215 are set there are two water conservancy diversion flange 22, and two water conservancy diversion flanges 22 are adjacent to each other with two long sides 216 respectively, and this two
Water conservancy diversion flange 22 is relative to each other, which is respectively arranged with a top surface 221 adjacent to mutual one side, and two should
Minimum range between top surface 221 is greater than or equal to short side width W, and the minimum range between two top surfaces 221 is in this reality
Apply and be equal to short side width W in example, two top surfaces 221 can be parallel to each other or both between formed more than 0 degree and be less than 10
The angle of degree makes the distance of two top surfaces 221 adjacent to the one side of the input unit 213 between the two be more than two top surfaces 221
The distance of the one side of the neighbouring output section 214 between the two.
The water conservancy diversion flange 22 is adjacent to the outer peripheral edge of the different both sides of two short sides 217 from the output section 214 toward the input
The direction in portion 213 it is close to each other and in tapered, make the diversion division 215 along the section of the virtual axis L radial directions in both ends it is slightly wide in
The slightly narrow shape in centre, and the water conservancy diversion flange 22 has adjacent to the outer peripheral edge of the different both sides of two short sides 217 outside nonplanar
Type profile.
For boundary's formation, there are one axial along a first virtual extension line C1 with two water conservancy diversion flanges 22 for the diversion division 215
23, one, the first-class area of extension is along 24 and one Ge Sanliu areas of second area axially extending a second virtual extension line C2
25, the first virtual extension line C1 and the second virtual extension line C2 are by the virtual axis L and on the basis of the virtual axis L
In symmetrical, angle one diffusion angle A of formation between the first virtual extension line C1 and the second virtual extension line C2, the expansion
It dissipates angle A and is more than 60 degree and less than 160 degree, make the input unit 213, the Spatial Coupling in the first-class area 23 and the second area 24
It is in generally Y-shaped.The first-class area 23 is located at the different both sides of the water conservancy diversion flange 22, the 3rd stream area with the second area 24 respectively
25 between two water conservancy diversion flanges 22, and the one side in the 3rd stream area 25 is connected to the first-class area 23 and different opposite side
It is connected to the second area 24.
The first-class area 23 is along the area of section of the first virtual extension line C1 radial directions by adjacent to one end of the input unit 213
Direction toward one end of the neighbouring output section 214 is in tapered, and the first-class area 23 is by the input unit 213 to the output section 214
Midpoint is more than section of the input unit 213 along the virtual axis L radial directions along the area of section of the first virtual extension line C1 radial directions
0.25 times of area and less than 0.4 times, the first-class area 23 by the input unit 213 to the output section 214 midpoint along this first
The area of section of virtual extension line C1 radial directions is the input unit 213 along 1/3rd of the area of section of the virtual axis L radial directions.
It is somebody's turn to do along the area of section of the second virtual extension line C2 radial directions from one end of the neighbouring input unit 213 toward neighbouring in the second area 24
The direction of one end of output section 214 is in tapered, which should by the midpoint edge of the input unit 213 to the output section 214
The area of section of second virtual extension line C2 radial directions is more than the input unit 213 along the area of section of the virtual axis L radial directions
0.25 times and less than 0.4 times, which second is virtually prolonged by the midpoint of the input unit 213 to the output section 214 along this
It is the input unit 213 along 1/3rd of the area of section of the virtual axis L radial directions to stretch the areas of section of line C2 radial directions, this first
Area 23 is flowed along minimum widith and the second area 24 of the first virtual extension line C1 radial directions along the second virtual extension line C2 footpaths
To minimum widith be more than the 3rd minimum widith of the stream area 25 along the virtual axis L radial directions, the first-class area 23 with this second
The size in stream area 24 can change with angle according to flow velocity and mixed gas demand.
The fan housing 30 is arranged at the head 20 and positioned at the port of export 212 of the flow-guiding channel 21, which includes one
A 31, second partitions 32 of first partition and a cover body 33, the first partition 31 are arranged at this with the second partition 32 and lead
The port of export 212 of circulation road 21, the first partition 31 and the second partition 32 are axial with the long side along the parallel virtual axis L
216 direction extension, the distance between the first partition 31 and the second partition 32 are more than short side width W.
The cover body 33 is arranged at the first partition 31 along the virtual axis L and is different from the second partition 32 with radially extending
The one side of the output section 214, the cover body 33 are worn there are one 331, second through holes 332 of first through hole and a third through-hole
333, which is located between the first partition 31 and the second partition 32, second through hole 332 correspond to this first every
Plate 31 is simultaneously located at the first partition 31 and the one side of the output section 214 is different from along the parallel virtual axis L axially directions, this
Three through holes 333 correspond to the second partition 32 and are different from positioned at the second partition 32 along the parallel virtual axis L axially directions
The one side of the output section 214.The cover body 33 is worn there are one fourth hole 334 and a fifth hole 335, the fourth hole
334 are located at the one side that the first partition 31 is different from the second partition 32, and it is different which is located at the second partition 32
In the one side of the first partition 31.
It continues referring to shown in Fig. 8 to Figure 10, the usage state diagram of the heat gun of water conservancy diversion effect is promoted for the present invention.The heat
Air pressure gun 10 when in use, after methane gas can be lighted inside gun body and heats air, then by the head 20 blows out hot wind.
By the design that two water conservancy diversion flanges 22 are provided in the flow-guiding channel 21, become the diversion division 215 and combine
The design of three kinds of geometric properties can slow down the flow velocity of the 215 middle section methane gas of diversion division and hot-air, make the water conservancy diversion
The flow velocity of 215 middle section of portion and fringe region is averaged, it is ensured that the methane gas in the diversion division 215 being capable of constant speed with hot-air
Ground flows to the output section 214, and the heat gun 10 is enable to blow out the uniform hot wind of temperature (as shown in Figure 8), does not have temperature
The problem of concentrating on center or both sides.By the pressure in the water conservancy diversion cooperation section variation of the mixed air cavity curved surface effectively mixed air cavity of control
Reflux and the generation of turbulent flow can be greatly decreased in power and flow field, promote efficiency of combustion, effectively reduce noise, pressure drop is reduced, similary
Whole flow is promoted under condition supply gas pressure, while outlet air flow velocity is made to be evenly distributed, so burning condition is easy to control, is added
The big pressure limit for adapting to supply, even if supply gas pressure lights rate not susceptible when changing.
In addition, because the fan housing 30 using second through hole 332 correspond to the first partition 31 and the third through-hole 333 correspond to this
The structure of two partition plates 32 can will be divided into three regions, between the first partition 31 and the second partition 32 inside the fan housing 30
And be each different from mutual one side, the methane gas blown out by the output section 214 and hot-air can because above-mentioned zone, this
One through hole 331, second through hole 332 and the third through-hole 333 and form three kinds of situations, methane gas can mainly be flowed with hot-air
It moves between the first partition 31 and the second partition 32, and is mainly flowed out by the first through hole 331, and the neighbouring first partition
31 or the methane gas of the second partition 32 can be flowed out with hot-air by second through hole 332 or the third through-hole 333, and because of this
The wherein half of second through hole 332 or the third through-hole 333 corresponds to the region between the first partition 31 and the second partition 32
And another half bore crosses over to the first partition 31 and the second partition 32 region for being different from one side each other, the first partition 31 or
The methane gas and hot-air of the second partition 32, can only be via these when by second through hole 332 and the third through-hole 333
Second through hole 332 and the third through-hole 333 correspond to the half bore in the region between the first partition 31 and the second partition 32 by,
And second through hole will be caused while by second through hole 332 and third through-hole 333 in methane gas and hot-air
332 and the third through-hole 333 nearby zonule generates strong negative pressure, this negative pressure can be by the first partition 31 and the second partition
32 zone gas for being different from one side each other are suctioned out via another half bore of second through hole 332 and the third through-hole 333, herein
The semiclosed gas formula in both sides can be caused to generate negative pressure simultaneously, chamber can be sucked by this negative pressure by the perforate of front side in the left and right sides
Outside air, and form reflux state.Therefore the semiclosed gas formula in both sides can rely on the fourth hole 334 and the fifth hole
335 sucking outside airs provide cooling, even if being used for a long time in room temperature (25 degree Celsius), bocca cavity appearance temperature can be low
In less than 40 degree Celsius (within 15 degree Celsius of the temperature difference).The danger of false touch scald is greatly decreased.Due to above-mentioned design, this first every
The region that plate 31 is separated out same stomata with the second partition 32 promotes more complete burning outer due to mixing more air, by
Uniformly flame distribution can be spread by flow direction uniformly slightly toward in addition in speed difference.
The present invention can be summarized with regard to the above to has the following advantages：
1. promoting the heat gun of water conservancy diversion effect for the present invention, wherein heat gun includes a head, along one in the head
The axial of a virtual axis is set there are one flow-guiding channel, and there are one arrival ends and one to be different from the entrance for flow-guiding channel tool
The port of export at end, the flow-guiding channel are set between the arrival end and the port of export there are one input unit, an output section and one
A diversion division, the output section are formed there are two long side and two short sides, and two long sides are non-conterminous and relative to each other, this two short
Side is non-conterminous and relative to each other, which is arranged between the input unit and the output section, and the flow-guiding channel is in the diversion division
Set there are two water conservancy diversion flange, two water conservancy diversion flanges are adjacent to each other with two long sides respectively, and two water conservancy diversion flanges that
This is opposite, and the flow-guiding channel of the heat gun combines the design of three kinds of geometric properties, matches somebody with somebody make and break by the water conservancy diversion in mixed air cavity curved surface
Pressure and flow field in the mixed air cavity of face variation effectively control, can be greatly decreased reflux and the generation of turbulent flow, promote efficiency of combustion, have
Effect reduces noise, reduces pressure drop, and whole flow is promoted under similarity condition supply gas pressure, while makes outlet air flow velocity distribution equal
It is even, so burning condition is easy to control, increase the pressure limit for adapting to supply, even if when supply gas pressure changes the rate of lighting be not easy by
It influences.
Claims (17)
1. a kind of heat gun for promoting water conservancy diversion effect, which is characterized in that include：
One head is set there are one flow-guiding channel along the axial of virtual axis in the head, which has one
A arrival end and the port of export for being different from the arrival end, the flow-guiding channel are provided between the arrival end and the port of export
One input unit, an output section and a diversion division, there are two long side and two short sides, two long sides for output section formation
Non-conterminous and relative to each other, two short sides are non-conterminous and relative to each other, which is arranged at the input unit and the output section
Between, which is set in the diversion division there are two water conservancy diversion flange, two water conservancy diversion flanges respectively with two long sides that
This is adjacent, and two water conservancy diversion flanges are relative to each other.
2. the heat gun of water conservancy diversion effect is promoted as described in claim 1, it is characterised in that：The diversion division is convex with two water conservancy diversion
There are one virtually extend along one second along the axially extending first-class area of a first virtual extension line, one for boundary's formation for edge
The axially extending second area of line and a Ge Sanliu areas, the first-class area are located at the water conservancy diversion flange phase respectively with the second area
Different both sides, the 3rd stream area is located between two water conservancy diversion flanges, the 3rd flow area one side be connected to the first-class area and
Different opposite side is connected to the second area, and the first-class area is along the area of section of the first virtual extension line radial direction by neighbouring
The direction of one end of the input unit toward one end of the neighbouring output section is in tapered, and the first-class area is by the input unit to the output section
Midpoint along the first virtual extension line radial direction area of section be more than the input unit along the imaginary axis line footpath to area of section
0.25 times and less than 0.4 times, the second area is along the area of section of the second virtual extension line radial direction by the neighbouring input unit
One end toward one end of the neighbouring output section direction in tapered, the second area by the input unit to the output section midpoint edge
The area of section of the second virtual extension line radial direction be more than the input unit along the imaginary axis line footpath to 0.25 times of area of section
And less than 0.4 times.
3. the heat gun of water conservancy diversion effect is promoted as claimed in claim 2, it is characterised in that：The first-class area is first virtual along this
The maximum secting area of extension line radial direction for the input unit along the imaginary axis line footpath to area of section 1/3rd, the second
Area along the second virtual extension line radial direction maximum secting area for the input unit along the imaginary axis line footpath to area of section three
/ mono-.
4. the heat gun of water conservancy diversion effect is promoted as claimed in claim 2, it is characterised in that：The first-class area is first virtual along this
The minimum widith of extension line radial direction and the minimum widith of the second area along the second virtual extension line radial direction are more than the 3rd stream
Area along the imaginary axis line footpath to minimum widith.
5. the heat gun of water conservancy diversion effect is promoted as claimed in claim 4, it is characterised in that：The first virtual extension line and this
Two virtual extension lines by the virtual axis and on the basis of the virtual axis in symmetrical, the first virtual extension line with this second
Angle between virtual extension line forms a diffusion angle, which is more than 60 degree and less than 160 degree.
6. the heat gun of water conservancy diversion effect is promoted as claimed in claim 5, it is characterised in that：The heat gun is including there are one wind
Cover, the fan housing are arranged at the head and positioned at the ports of export of the flow-guiding channel, the fan housing include there are one first partition, one the
Two partition plates and a cover body, the first partition and the second partition are arranged at the port of export of the flow-guiding channel, the first partition with
The second partition extends along the parallel virtual axis shaft to the direction of the long side, which radially extends ground along the imaginary axis line
It is arranged at the first partition and the second partition and is different from the one side of the output section, which wears that there are one first through hole, one
A second through hole and a third through-hole, the first through hole are located between the first partition and the second partition, second through hole
The corresponding first partition and positioned at the first partition along the parallel virtual axis shaft to direction be different from the one side of the output section,
The third through-hole correspond to the second partition and positioned at the second partition along the parallel virtual axis shaft to be different from this defeated in direction
Go out the one side in portion.
7. the heat gun of water conservancy diversion effect is promoted as claimed in claim 6, it is characterised in that：The cover body is worn there are one four-way
Hole and a fifth hole, the fourth hole are located at the one side that the first partition is different from the second partition, the fifth hole position
The one side of the first partition is different from the second partition.
8. the heat gun of water conservancy diversion effect is promoted as claimed in claim 6, it is characterised in that：The water conservancy diversion flange is short adjacent to this two
Direction of the outer peripheral edge of the different both sides on side from the output section toward the input unit is close to each other and is in tapered.
9. the heat gun of water conservancy diversion effect is promoted as claimed in claim 8, it is characterised in that：The water conservancy diversion flange is short adjacent to this two
The outer peripheral edge of the different both sides on side has nonplanar external form profile.
10. the heat gun of water conservancy diversion effect is promoted as claimed in claim 8, it is characterised in that：The parallel imaginary axis in the long edge
Line footpath to direction tool there are one long edge lengths, the short side along the parallel imaginary axis line footpath to direction tool there are one short side is wide
Degree, the long edge lengths are more than the maximum width of the flow-guiding channel arrival end, which is less than the flow-guiding channel arrival end
Minimum widith.
11. the heat gun of water conservancy diversion effect is promoted as claimed in claim 10, it is characterised in that：Two water conservancy diversion flanges are adjacent to that
This one side is respectively arranged with a top surface, and the distance between two top surfaces are greater than or equal to the short side width.
12. the heat gun of water conservancy diversion effect is promoted as claimed in claim 11, it is characterised in that：The distance between two top surfaces
Equal to the short side width.
13. the heat gun of water conservancy diversion effect is promoted as claimed in claim 11, it is characterised in that：Two top surfaces can be put down each other
Formed between row or both more than 0 degree and be less than 10 degree of angle, two top surfaces adjacent to the one side of the input unit between the two
Distance be more than the distance of two top surfaces adjacent to the one side of the output section between the two.
14. the heat gun of water conservancy diversion effect is promoted as claimed in claim 10, it is characterised in that：The first partition with this second every
The distance between plate is more than the short side width.
15. the heat gun of water conservancy diversion effect is promoted as claimed in claim 10, it is characterised in that：The output section is along the virtual axis
The area of section of radial direction be more than the input unit along the imaginary axis line footpath to 0.8 times of area of section and less than 1.2 times.
16. the heat gun of water conservancy diversion effect is promoted as claimed in claim 15, it is characterised in that：The output section is along the virtual axis
The area of section of radial direction and the input unit along the imaginary axis line footpath to area of section it is equal.
17. the heat gun of water conservancy diversion effect is promoted as claimed in claim 16, it is characterised in that：The input unit is along the virtual axis
The section of radial direction is rounded, the output section along the imaginary axis line footpath to section be in quadrangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611047030.3A CN108087873B (en) | 2016-11-21 | 2016-11-21 | Hot air gun capable of improving flow guide effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611047030.3A CN108087873B (en) | 2016-11-21 | 2016-11-21 | Hot air gun capable of improving flow guide effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108087873A true CN108087873A (en) | 2018-05-29 |
| CN108087873B CN108087873B (en) | 2019-12-31 |
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ID=62170228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611047030.3A Active CN108087873B (en) | 2016-11-21 | 2016-11-21 | Hot air gun capable of improving flow guide effect |
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| Country | Link |
|---|---|
| CN (1) | CN108087873B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013968A (en) * | 2022-06-07 | 2022-09-06 | 常州市武进辰光电器制造有限公司 | Air outlet pipe with spiral accelerating structure for hot air gun and adjustable gun head |
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| US20130230816A1 (en) * | 2012-03-02 | 2013-09-05 | Pro-Iroda Industries, Inc. | Hot Air Blower |
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|---|---|---|---|---|
| FR2520090A1 (en) * | 1982-01-15 | 1983-07-22 | Guilbert & Fils Leon | Gas blow lamp for shrinkage of wrapping material - has needle valve to control fuel flow from injector |
| US5810579A (en) * | 1996-09-24 | 1998-09-22 | Lin; Arlo H. T. | Hot gas spray pistol |
| JP2001241618A (en) * | 2000-02-28 | 2001-09-07 | Noritz Corp | Combustion equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013968A (en) * | 2022-06-07 | 2022-09-06 | 常州市武进辰光电器制造有限公司 | Air outlet pipe with spiral accelerating structure for hot air gun and adjustable gun head |
| CN115013968B (en) * | 2022-06-07 | 2023-07-25 | 常州市武进辰光电器制造有限公司 | Air outlet pipe with spiral accelerating structure for hot air gun and adjustable gun head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108087873B (en) | 2019-12-31 |
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