CN201677109U - Heating device and preheating module and preheating device utilizing same - Google Patents
Heating device and preheating module and preheating device utilizing same Download PDFInfo
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- CN201677109U CN201677109U CN2010201749128U CN201020174912U CN201677109U CN 201677109 U CN201677109 U CN 201677109U CN 2010201749128 U CN2010201749128 U CN 2010201749128U CN 201020174912 U CN201020174912 U CN 201020174912U CN 201677109 U CN201677109 U CN 201677109U
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Abstract
The utility model discloses a heating device and a preheating module and a preheating device utilizing the same. The preheating module consists of a case body, a heating device and a fluid guide device, the case body consists of a holding groove, the heating device is arranged in the holding groove and comprises a casing, a heating pipe assembly and a board body, the casing consists of a first space communicated with the external and a second space provided with a through hole, the heating pipe assembly is disposed in the second space and provided with a fluid outlet, the heating pipe assembly is communicated with the first space and defines a fluid passage together with the second space, the board body is covered on the heating pipe assembly and the second space and provided with a plurality of air vents, the fluid guide device penetrates through the through hole and is partially arranged in the casing, and fluid is guided via the fluid guide device to enter the heating pipe assembly from the first space to be heated and transmitted to the air vents via the fluid outlet through the fluid passage to be discharged. The heating device and the preheating module and the preheating device utilizing the same can lead temperature of heated fluid discharged out via the air vents of the heating device to be uniform, and can provide a better fluid circulation loop.
Description
Technical field
The utility model relates to a kind of heater and uses the warm-up block and the pre-heating device of this heater, especially a kind of warm-up block and pre-heating device that is used for the heater of welding technology field confession scaling powder activation and uses this heater.
Background technology
Welding procedure is the technology that is widely used in assembling electronic element.Wave soldering welding (wave soldering) with electronic component is an example, it comprises roughly that the scolder of scaling powder coating, preheating, solder bath is stained with and is coated with and technology such as cooling, wherein preheating step mainly carries out in preheater, activate scaling powder to utilize preheater that thermal source is provided, be beneficial to the carrying out of subsequent technique.
See also Fig. 1, it is the heating principle schematic of known preheater.As shown in Figure 1, known preheater 1 comprises heater 10, air-supply pipeline 11, return air pipeline 12 and air blast 13, wherein be equipped with a plurality of heating tubes 101 in the heater 10, and an end of air-supply pipeline 11 is connected in air blast 13, the other end then is connected in heater 10, air blast 13 blows to heater 10 to add thermosetting hot blast HA by heating tube 101 by air-supply pipeline 11 with air current A 1, it is outer to heat tunnel 4 hot blast HA directly to be blown out heater 10 again, scaling powder (not shown) on the electronic component 2 is absorbed heat and activate, can form a loop via the guiding of air blast 13 again by being connected in the return air pipeline 12 between heat tunnel 4 and the air blast 13 as for used air current A 2.In addition, operated by rotary motion has temperature-sensitive sticker (not shown) in heat tunnel 4, when the detected temperature of temperature-sensitive sticker is identical with preset temperature, the heating tube 101 of heater 10 just stops heating, pass through heater 10 tops and draw heat energy and work as electronic component 2, or heat energy is when detected temperature is lower than preset temperature because of consumption makes, and the heating tube 101 of heater 10 just can begin heating, and so repetitive cycling is to keep the action of preheater 1.
Yet, known preheater 1 is because air-supply pipeline 11 only has single outlet between a plurality of heating tubes 101, therefore air current A 1 supply mainly concentrates on the heating tube 101 near 11 outlets of air-supply pipeline, make heating-up temperature inhomogeneous, for example, may be up to about 7-8 ℃, therefore as can be known near reaching away from the temperature difference between the hot blast HA of air-supply pipeline 11 outlets, when if temperature-sensitive sticker is provided with the measured Wen Wendu of part and is low point temperature, may cause heating tube 101 superheated and waste energy; Otherwise, if the temperature that the place of temperature-sensitive sticker setting measures is during for high some temperature, then may make preheater 1 not reach preset temperature in fact to cause the scaling powder activation not enough because of heating tube 101 stops heating, this all can influence the quality of follow-up welding.
In addition, because known preheater 1 only depends on air blast 13 and single return air pipeline 12 to reclaim air current A 2, so its circulating effect is bad, if desire is preheated to 120 ℃ with electronic component 2, then heating tube 101 must be heated in fact and surpass more than 200 ℃, can reach required effect, hence one can see that, and the energy consumption of known preheater 1 is big and efficient is not good enough.When preheater 1 fault, must keep in repair by dead halt again, this also will make the stagnation of electronic component 2 integral solder technologies procrastinate the related loss that causes time and cost.
In view of this, how to develop a kind of heater and use the warm-up block and the pre-heating device of this heater, to solve the defective of known technology, real problem for the correlative technology field solution that presses at present.
Summary of the invention
The utility model is a kind of heater and warm-up block and the pre-heating device of using this heater, to overcome defectives such as known preheater causes the under-active problem of scaling powder because of the hot blast temperature inequality and the hot air circulation loop is bad, efficient is not good.Warm-up block of the present utility model comprises a fluid guiding device, its part is placed in the heater, to heat in the heating tube assembly of the gas of heater outside being introduced heater, and draw the fluid after the heating and blow by fluid guiding device and to the fluid passage, to discharge outside the heater of warm-up block by each pore again, therefore the temperature that adds hot fluid of being disengaged by each pore is comparatively average, and, part can reflux through the guiding of fluid guiding device owing to adding hot fluid, so can improve fluid circulation loop, with the loss of reduction energy, thus the efficient of lifting warm-up block.
For reaching above-mentioned purpose, of the present utility model one wide embodiment is for providing a kind of warm-up block, and it comprises: casing, and it comprises storage tank; At least one heater, it is placed in the storage tank of casing, and comprises: housing, it comprises corresponding a plurality of first space and one second space, first space is in communication with the outside, and second space comprises perforation; The heating tube assembly, it is placed in second space of housing and comprises that fluid issuing, heating tube assembly are communicated with first space of housing and define the fluid passage jointly with second space of housing; Plate body, it covers second space of this heating tube assembly and housing and comprises a plurality of pores; And at least one fluid guiding device, it passes the perforation of housing and partly is placed in the housing; Wherein, fluid is by the guiding of fluid guiding device, enter the heating of heating tube assembly by first space of the housing of heater after, from the fluid outlet and be sent to a plurality of pores via the fluid passage and discharge.
As a kind of preferred embodiment of above-mentioned warm-up block, wherein, be provided with a dividing plate between this first space of this housing of this heater and this second space, this dividing plate has an opening, and this perforation is arranged at the bottom center in this second space in fact.
A kind of preferred embodiment as above-mentioned warm-up block, wherein, this heating tube assembly of this heater is arranged at these second space central authorities of this housing in fact, and this heating tube assembly also comprises: one first plate and one second plate, it is corresponding mutually, and this fluid issuing is arranged at this second plate; At least one sidewall, itself and this first plate and this second plate define one jointly and hold receipts portion and fluid inlet; And a plurality of heating tubes, it is placed in this appearance receipts portion.
A kind of preferred embodiment as above-mentioned warm-up block, wherein, this first plate of this heating tube assembly of this heater is adjacent to this plate body in fact, and corresponding to this perforation of this housing, and this fluid intake is corresponding to this opening of this housing in fact for this fluid issuing.
As a kind of preferred embodiment of above-mentioned warm-up block, wherein, this fluid guiding device disposes corresponding to this heater and comprises: a motor holder, and it is fixed on this casing; One flabellum, its be arranged on this motor holder and pass this casing, this heater this housing this perforation and be placed in this fluid passage; And a motor, it links to each other with this flabellum, rotates to guide this fluid to drive this flabellum.
As a kind of preferred embodiment of above-mentioned warm-up block, wherein, this flabellum of this fluid guiding device comprises an inlet air side and an air draft side, and this inlet air side is to this fluid issuing of this heating tube assembly, and this air draft side is for this fluid passage.
As a kind of preferred embodiment of above-mentioned warm-up block, wherein, this casing also comprises: at least one hole, and it is corresponding to this perforation of this housing of this heater; And at least one cover plate, it is provided with corresponding to this heater.
For reaching above-mentioned purpose, another wide embodiment of the present utility model is for providing a kind of pre-heating device, and it is used for the electronic component that preheating is coated with scaling powder, and this pre-heating device comprises: heat tunnel, and its electronic component passes through; And warm-up block, it is neighbour in the heat tunnel setting and comprise: casing, and it comprises storage tank; At least one heater, it is placed in the storage tank of casing, and comprise housing, heating tube assembly and plate body, housing comprises corresponding a plurality of first space and one second space, first space is communicated with heat tunnel, and second space comprises perforation, the heating tube assembly is placed in second space of housing and comprises fluid issuing, the heating tube assembly is communicated with first space of housing and defines the fluid passage jointly with second space, and plate body covers second space of this heating tube assembly and housing and comprises a plurality of pores; And at least one fluid guiding device, it passes the perforation of housing and partly is placed in the housing; Wherein, the guiding of the fluid guiding device of fluid by warm-up block, enter the heating of heating tube assembly by first space of the housing of heater after, be sent to a plurality of pores from the fluid outlet via the fluid passage and drain into heat tunnel, with pre-thermoelectric elements.
A kind of preferred embodiment as above-mentioned pre-heating device, wherein, be provided with a dividing plate between this first space of this housing of this heater of this warm-up block and this second space, this dividing plate has an opening, and this perforation is arranged at the bottom center in this second space in fact.
A kind of preferred embodiment as above-mentioned pre-heating device, wherein, this heating tube assembly of this heater of this warm-up block is arranged at these second space central authorities of this housing in fact, and this heating tube assembly also comprises: one first plate and one second plate, it is corresponding mutually, and this fluid issuing is arranged at this second plate; At least one sidewall, itself and this first plate and this second plate define one jointly and hold receipts portion and fluid inlet; And a plurality of heating tubes, it is placed in this appearance receipts portion.
A kind of preferred embodiment as above-mentioned pre-heating device, wherein, this first plate of this heating tube assembly of this heater of this warm-up block is adjacent to this plate body in fact, and corresponding to this perforation of this housing, and this fluid intake is corresponding to this opening of this housing in fact for this fluid issuing.
As a kind of preferred embodiment of above-mentioned pre-heating device, wherein, this fluid guiding device of this warm-up block disposes corresponding to this heater and comprises: a motor holder, and it is fixed on this casing; One flabellum, its be arranged on this motor holder and pass this casing, this heater this housing this perforation and be placed in this fluid passage, and this flabellum comprises an inlet air side and an air draft side, this inlet air side is for this fluid issuing of this heating tube assembly, and this air draft side is for this fluid passage; And a motor, it links to each other with this flabellum, rotates to guide this fluid to drive this flabellum.
As a kind of preferred embodiment of above-mentioned pre-heating device, wherein, this casing of this warm-up block also comprises: at least one hole, and it is corresponding to this perforation of this housing of this heater; And at least one cover plate, it is provided with corresponding to this heater.
For reaching above-mentioned purpose, another wide embodiment of the present utility model is for providing a kind of heater, it is applied to warm-up block, this warm-up block comprises fluid guiding device at least, and heater comprises: a housing, it comprises corresponding a plurality of first space and one second space, and first space is in communication with the outside, and second space comprises that perforation runs through setting for fluid guiding device; The heating tube assembly, it is placed in second space of housing and comprises that fluid issuing, heating tube assembly are communicated with first space of housing and define the fluid passage jointly with second space of housing; And plate body, it covers second space of this heating tube assembly and housing and comprises a plurality of pores; Wherein, fluid is by the guiding of fluid guiding device, enter the heating of heating tube assembly by first space after, discharge from a plurality of pores through fluid issuing and fluid passage.
The utility model not only can make the heating fluid temperature (F.T.) of being discharged by each pore of heater comparatively even, thereby avoid known preheater to cause the under-active problem of scaling powder because of the hot blast excessive temperature differentials, also can provide fluid circulation loop preferably, to reduce the loss of energy.
Description of drawings
Fig. 1: it is the heating principle schematic of known preheater.
Fig. 2: it is the structural representation of the warm-up block of the utility model one preferred embodiment.
Fig. 3 A: it is the wherein structural representation of a heater of the utility model warm-up block shown in Figure 2.
Fig. 3 B: it is the a-a ' profile of the utility model Fig. 3 A.
Fig. 3 C: it is the b-b ' profile of the utility model Fig. 3 A.
Fig. 3 D: it is the c-c ' profile of the utility model Fig. 3 A.
Fig. 4: it is applied to the partial cutaway schematic of pre-heating device for the utility model warm-up block shown in Figure 2.
Description of reference numerals in the above-mentioned accompanying drawing is as follows:
Preheater 1
Air-supply pipeline 11
Return air pipeline 12
Electronic component 2
Heat tunnel 4
Hot blast HA
Air current A 1, A2
Warm-up block 3
Casing 30
Hole 301
Dividing plate 3104
Hold receipts portion 3110
Fluid issuing 3116
Fluid A
Add hot fluid HA '
The specific embodiment
Some exemplary embodiments that embody the utility model feature and advantage will be described in detail in the explanation of back segment.Be understood that the utility model can have various variations on different modes, it does not break away from scope of the present utility model, and explanation wherein and the accompanying drawing usefulness that ought explain in itself, but not in order to restriction the utility model.
See also Fig. 2, it is the structural representation of the warm-up block of the utility model one preferred embodiment.As shown in Figure 2, warm-up block 3 comprises casing 30, at least one heater 31 and at least one fluid guiding device 32, casing 30 comprises a storage tank 300, its supplying/heating system 31 is placed in wherein, and heater 31 comprises housing 310, heating tube assembly 311 (as shown in Figure 3A) and plate body 312, housing 310 comprises corresponding a plurality of first space 3101 and one second space 3102 (shown in Fig. 3 D) in fact, first space 3101 is in communication with the outside, second space 3102 comprises that then a perforation 3103 is (as Fig. 3 B, shown in Fig. 3 C), 311 of heating tube assemblies are placed in second space 3102 of housing 310 and comprise fluid issuing 3116, and heating tube assembly 311 is communicated with first space 3101 of housing 310 and define a fluid passage 313 jointly with second space 3102 of housing 310, plate body 312 cover this heating tube assembly 311 with in second space 3102 of housing 310 and comprise a plurality of pores 3121, pass as for 32 of fluid guiding devices heater 31 housing 310 perforation 3103 and the part be placed in (as shown in Figure 4) in the housing 310, wherein, fluid A can be by the guiding of fluid guiding device 32, first space 3101 by the housing 310 of heater 31 enters heating tube assembly 311, and after 311 heating of heating tube assembly, discharge the heater 31 of warm-up block 3 (as Fig. 3 B from fluid outlet 3116 via a plurality of pores 3121 that fluid passage 313 is sent to plate body 312 again, Fig. 3 C and shown in Figure 4), below will be described in further detail the thin portion structure of the warm-up block 3 of present embodiment.
Please consult Fig. 2 again, the casing 30 of warm-up block 3 becomes the groove shape structure of a rectangle in fact, it comprises storage tank 300, storage tank 300 can be fitted thereon in order to ccontaining at least one heater 31 and for fluid guiding device 32, so that heater 31 and fluid guiding device 32 are integrated into warm-up block 3 by casing 30, and present embodiment with storage tank 300 ccontaining three separately independently heater 31 be that example describes, yet should understand, storage tank 300 the number of ccontaining heater 31 there is no institute and limit, the demand of visual warm-up block 3 and increasing and decreasing.In addition, casing 30 also comprises at least one hole 301 and at least one cover plate 302, wherein the number of hole 301 and cover plate 302 cooperate storage tank 300 ccontaining heater 31 numbers, so the casing 30 of present embodiment is also to comprise that three holes 301 and three cover plates 302 are for good, wherein, hole 301 can be the circular opening that is provided with corresponding to each heater 31, and cover plate 302 is also corresponding to heater 31 configurations, and cover plate 302 can be opened with respect to casing 30, is beneficial to change the heater 31 that is placed in the storage tank 300.
See also Fig. 3 A, Fig. 3 B, Fig. 3 C and Fig. 3 D, wherein Fig. 3 A is the wherein structural representation of a heater of the utility model warm-up block shown in Figure 2, and Fig. 3 B, Fig. 3 C and Fig. 3 D then are respectively a-a ', b-b ' and the c-c ' profile of the utility model Fig. 3 A.Shown in Fig. 3 A to Fig. 3 D, heater 31 comprises housing 310, heating tube assembly 311 and plate body 312, its middle shell 310 becomes a rectangular configuration in fact, and comprise a plurality of first spaces 3101 and one second space 3102, first, second space 3101, be provided with dividing plate 3104 between 3102, to utilize dividing plate 3104 with first, second space 3101,3102 are separated, in present embodiment, housing 310 has two dividing plates 3104 to be separated out one second space 3102 and two first spaces 3101, first space 3101 in fact then is positioned at two opposite sides and mutually corresponding (shown in Fig. 3 D) in second space 3102, and dividing plate 3104 is provided with opening 3105, opening 3105 is positioned at the central authorities of dividing plate 3104 in fact, but not as limit; In addition, second space 3102 of housing 310 more is provided with perforation 3103, and it is good with the bottom center that is positioned at second space 3102 in fact, and 3103 bottoms (as Fig. 3 B, Fig. 3 C and shown in Figure 4) of running through second space 3102 of boring a hole.
Please consult Fig. 3 A to Fig. 3 D again, heating tube assembly 311 can be arranged in second space 3102 of housing 310, and heating tube assembly 311 can comprise first plate 3111, second plate 3112, at least one sidewall 3113, a plurality of heating tubes 3114 and fluid intake 3115 and fluid issuing 3116 etc., wherein first, second plate 3111,3112 is corresponding mutually, and sidewall 3113 is arranged between first plate 3111 and second plate 3112, to utilize first plate 3111, second plate 3112 defines fluid intake 3115 jointly with sidewall 3113 and becomes the appearance receipts portion 3110 of rectangle in fact, wherein fluid intake 3115 is positioned at the two opposite sides of heating tube assembly 311, hold receipts portion 3110 and then be an open space in fact because of the setting of fluid intake 3115, with in order to ccontaining heating tube 3114, fluid issuing 3116 as for heating tube assembly 311 can be circular opening in fact, and it is arranged at the central authorities of second plate 3112 and runs through second plate 3112 (shown in Fig. 3 B to Fig. 3 D).
Please consult Fig. 3 A to Fig. 3 D again, the heating tube assembly 311 of present embodiment is good with the centre in second space 3102 that is positioned at housing 310 in fact, wherein, the fluid intake 3115 of heating tube assembly 311 corresponding to the opening 3105 of the dividing plate 3104 of housing 310 (as Fig. 3 A, shown in Fig. 3 C and Fig. 3 D), the appearance receipts portion 3110 of heating tube assembly 311 can be communicated with first space 3101 of housing 310 by fluid intake 3115 and opening 3105 in fact, hold receipts portion 3110 ccontaining a plurality of heating tubes 3114 to utilize, as for the number of heating tube 3114 do not have limit its also visual demand increase and decrease; Again because the fluid issuing 3116 of heating tube assembly 311 is positioned at the central authorities of second plate 3112 in fact, the perforation 3103 of housing 310 is positioned at the bottom center in second space 3102 in fact, and heating tube assembly 311 general arrangement are in second space of housing 310,3102 central authorities, therefore as can be known, the fluid issuing 3116 of heating tube assembly 311 can be corresponding to the perforation 3103 of housing 310.
And be placed in second space 3102 of housing 310 when heating tube assembly 311 after, just can utilize plate body 312 to cover second space 3102 of heating tube assembly 311 and housing 310, in other words, plate body 312 can be coated on heating tube assembly 311 between the two jointly with second space 3102 of housing 310.Shown in Fig. 3 B and Fig. 3 C, plate body 312 can comprise a plurality of pores 3121, it is laid on the plate body 312 equably, and first plate 3111 of heating tube assembly 311 is adjacent to plate body 312 than second plate 3112,3112 opposite faces that are adjacent to plate body 312 settings than first plate 3111 of second plate, it also is the bottom surface that housing 310 is provided with perforation 3103, and first, second plate 3111,3112 is good with 3102 bottom surfaces, second space that do not contact plate body 312 and housing 310, sidewall 3113 as for heating tube assembly 311 does not contact with housing 310 yet, therefore heating tube assembly 311 just can utilize first plate 3111, the sidewall 3113 and second plate 3112 define a fluid passage 313 (as shown in Figure 4) in second space 3102 of housing 310, as for 3101 in first space of housing 310 because of not covered and can be in communication with the outside by plate body 312.And after heating tube assembly 311 and plate body 312 are finished with respect to housing 310 configurations, just can obtain the heater 31 of present embodiment.Yet should be understood that,, in Fig. 3 A, remove the housing 310 of part for the relation between clear expression heating tube 3114 and heating tube assembly 311 and the housing 310; As for the then not shown heating tube 3114 of Fig. 3 B to Fig. 3 D, with first plate 3111, second plate 3112, sidewall 3113 and the fluid intake 3115 of clear diagram heating tube assembly 311 and the relativeness between fluid issuing 3116 and housing 310 and the plate body 312, and 3102 fluid passages that define jointly 313, second space of heating tube assembly 311 and housing 310; In addition, in Fig. 3 B and Fig. 3 C, also indicate fluid A in the lump and add the flow direction of hot fluid HA ', in order to follow-up explanation.
Please consult Fig. 2 again, each heater 31 can further be placed in the storage tank 300 of casing 30, wherein, the bottom of heater 31 fits in the bottom (as shown in Figure 4) of casing 30 in fact, and the hole 301 of casing 30 in fact again can be corresponding to the perforation 3103 of the housing 310 of heater 31 and the fluid issuing 3116 (as shown in Figure 4) of heating tube assembly 311, makes fluid guiding device 32 be able to correspondence and should run through and be disposed at wherein.In present embodiment, fluid guiding device 32 can be fan, and it is corresponding to heater 31 configuration, so the number of the fluid guiding device 32 of present embodiment is good with three equally, but the increase and decrease of its also visual heater 31 and adjust quantity.Fluid guiding device 32 comprises motor holder 320, flabellum 321 and motor 322, wherein motor holder 320 can be circular pedestal, the flange 3202 that it has body 3201 and is extended by body 3,201 one lateral edges, the diameter of body 3201 matches with the aperture of the hole 301 of casing 30 in fact, and flange 3202 is in fact then greater than the aperture of hole 301; Flabellum 321 is arranged on the motor holder 320 movably, and the maximum outside diameter of flabellum 321 is slightly less than or equals the diameter of body 3201 in fact, in addition, in present embodiment, flabellum 321 can comprise inlet air side 3211 and air draft side 3212 again, inlet air side 3211 is positioned at the end face of flabellum 321 in fact, and 3212 of air draft sides are positioned at the side of vertical in fact flabellum 321 end faces; Be arranged on motor holder 320 belows as for 322 on motor corresponding to flabellum 321, and can link to each other (as shown in Figure 4) by rotating shaft 323 between flabellum 321 and the motor 322, rotate when motor 322 drives, can drive flabellum 321.
And when fluid guiding device 32 is desired with casing 30 and heater 31 configurations, the flabellum 321 of fluid guiding device 32 and the body 3201 of motor holder 320 can pass the hole 301 of casing 30, and since the flange 3202 of motor holder 320 in fact greater than the aperture of hole 301, therefore flange 3202 can be resisted against casing 30 bottoms (as shown in Figure 4), and further be fixed on the casing 30 by modes such as bolt (not shown) lockings, therefore whole fluid guiding device 32 can be fixedly arranged on casing 30 and fixing with respect to warm-up block 3 by motor holder 320, at this moment, the flabellum 321 of fluid guiding device 32 can further pass heater 31 housing 310 perforation 3103 and be placed in the fluid passage 313, wherein the inlet air side 3211 of flabellum 321 is in the face of heating tube assembly 311 and corresponding to its fluid issuing 3116, air draft side 3212 then in the face of fluid passage 313, is exposed to casing 30 outsides (as shown in Figure 4) as for 322 on motor.
When casing 30, heater 31 and fluid guiding device 32 assemble each other finish after, just can obtain the warm-up block 3 of present embodiment, and this warm-up block 3 can be applicable in the pre-heating device 5.See also Fig. 4 and cooperate Fig. 3 A to Fig. 3 C, wherein Fig. 4 is applied to the partial cutaway schematic of pre-heating device for the utility model warm-up block shown in Figure 2.As shown in Figure 4, pre-heating device 5 mainly can be used for the electronic component 2 that preheating has been coated with scaling powder (not shown), and pre-heating device 5 comprises heat tunnel 4 and warm-up block 3, wherein the thin portion structure of warm-up block 3 as previously mentioned, in this superfluous words no longer.In present embodiment, warm-up block 3 is neighbour in fact in heat tunnel 4 configurations, and with plate body 312 these sides of heater 31 to heat tunnel 4, and first space 3101 of housing 310 in fact with the external world, it also is heat tunnel 4, be communicated with, and desire is when carrying out preheating to electronic component 2, can pass through the motor 322 that control device (not shown) starts fluid guiding device 32, make motor 322 drive flabellum 321 rotations, with guiding fluid A, for example: gas, first space 3101 by the housing 310 of heater 31 enters housing 310, and enter heating tube assembly 311 (shown in Fig. 3 C) via the fluid intake 3115 of opening on the dividing plate 3,104 3105 and heating tube assembly 311, to utilize heating tube 3114 convection cell A to heat, add hot fluid HA ' and fluid A is heated the back gained, for example: hot blast, then can be subjected to the guiding of fluid guiding device 32 again, sinked 321 of flabellums by the fluid issuing 3116 of heating tube assembly 311 and the inlet air side 3211 of flabellum 321, rotation by flabellum 321 will add hot fluid HA ' and be pushed in the fluid passage 313 by air draft side 3212 again, and borrow the rotation of flabellum 321 and the squeeze force that in fluid passage 313, produces, to add hot fluid HA ' is discharged heater 31 and is entered heat tunnel 4 (as Fig. 3 B and shown in Figure 4) by the pore 3121 of plate body 312, therefore when electronic component 2 passes through heat tunnel 4, just can absorb the heat energy that the heater 31 of warm-up block 3 is discharged, electronic component 2 is preheated and makes the scaling powder activation of electronic component 2, be beneficial to follow-up welding procedure, for example: wave soldering technology.
In addition, guiding by fluid guiding device 32, the part of being discharged by pore 3121 adds hot fluid HA ' and can mix with external fluid A again, and through the guiding of fluid guiding device 32 first space 3101 by housing 310, the fluid intake 3115 of opening 3105 and heating tube assembly 311 enters heating tube assembly 311 and heats and must add hot fluid HA ', thereafter will add hot fluid HA ' again via fluid issuing 3116, the inlet air side 3211 of flabellum 321, air draft side 3212 is pushed to fluid passage 313, and drain into heat tunnel 4 through pore 3121, to reach the purpose of heat energy circulating transfer with pre-thermoelectric elements 2 by this mechanism.
And should understand by above-mentioned explanation, in present embodiment, because fluid A enters heater 31 and by after heating tube assembly 311 heating, the hot fluid HA ' that adds of its gained does not directly discharge, but push via drawing of fluid guiding device 32 again and by fluid passage 313 outside pore 3121 is discharged the heater 31 of warm-up block 3 (as Fig. 3 B and shown in Figure 4), and fluid guiding device 32 is put middle setting with respect to heater 31 in fact, therefore compared to known technology, present embodiment can make the temperature that adds hot fluid HA ' of disengaging from each pore 3121 comparatively average, for example, the temperature difference that adds hot fluid HA ' that each pore 3121 disengages can be reduced to 3-4 ℃, therefore helps scaling powder and evenly activates.In addition, because first space 3101 is adjacent to pore 3121, therefore the part of being disengaged by pore 3121 adds hot fluid HA ' and can be by the guiding of fluid guiding device 32 enters heating tube assembly 311 from first space 3101 again, what make has a preferable fluid circulation loop, so compared to known technology except that can avoiding too much dissipation of energy, also can reduce the burden of heating tube 3114, for example, the utility model only needs heating tube 3114 is heated to 140 ℃, just can reach and electronic component 2 is preheated to 120 ℃ effect, its thermal efficiency can reach 86% in fact, so can have energy saving and environmental protection effect concurrently.
Again in present embodiment, be placed in owing to heater 31 in the storage tank 300 of casing 30 and be integrated into a warm-up block 3, and is furnished with cover plate 302 on the storage tank 300 corresponding to heater 31, therefore if during wherein arbitrary heater 31 faults, the user can open cover plate 302 and replace heater 31, and cooperate modes such as taking for example to heighten heating tube 3114 temperature to do temporary compensation, to avoid influencing electronic component 2 integral solder technologies.
Certainly, the utility model is not limited to above-mentioned embodiment, for example: the storage tank 300 of the casing 30 of warm-up block 3 ccontaining heater 31 quantity can increase and decrease according to the demand of warm-up block 3; In addition, heating tube 3114 numbers and the arrangement mode of the heating tube assembly 311 of heater 31 also can be adjusted to some extent, and it also is unlikely to influence enforcement of the present utility model.
In sum, the utility model is integrated into a warm-up block with heater and fluid guiding device by casing, wherein common definition has a fluid passage between second space of each its housing of heater of warm-up block and the heating tube assembly, fluid guiding device then can partly be placed in the fluid passage of heater, and it is good to be configured in putting with respect to heater, therefore when fluid guiding device operates, just can draw outside fluid and enter the heating tube assembly by first space of housing, after utilizing the heating tube assembly to heat, attract to add hot fluid by fluid guiding device again and its dispatch is discharged outside the heater by pore along the fluid passage to the fluid passage, make electronic component can absorb heat and activate its scaling powder through warm-up block; In addition, part is added hot fluid and can be refluxed by the first contiguous space again and enter the heating tube assembly by what pore was discharged.Compared to known technology, the utility model not only can make the heating fluid temperature (F.T.) of being discharged by each pore of heater comparatively even, thereby avoid known preheater to cause the under-active problem of scaling powder because of the hot blast excessive temperature differentials, also can provide fluid circulation loop preferably, to reduce the loss of energy.
In addition; owing to being placed in, heater of the present utility model is integrated into warm-up block in the casing; and is furnished with cover plate on the casing corresponding to heater; therefore can when arbitrary heater fault, be convenient for changing; must whole shutdown maintenance to prevent known preheater from hindering for some reason the cost and the time loss that may cause; since above-mentioned feature and advantage all be known technology can't be obtained, so heater of the present utility model and use the warm-up block of this heater and the value that pre-heating device has industry.
Can appoint by those skilled in the art even if the utility model has been described in detail by the above embodiments and to execute that the craftsman thinks and be to modify as all, yet not take off desire protection as attached claim institute.
Claims (14)
1. warm-up block is characterized in that it comprises:
One casing, it comprises a storage tank;
At least one heater, it is placed in this storage tank of this casing, and comprises:
One housing, it comprises corresponding a plurality of first space and one second space, wherein this first space is in communication with the outside, and this second space comprises a perforation;
One heating tube assembly, it is placed in this second space of this housing and comprises fluid outlet, and this heating tube assembly is communicated with this first space of this housing and defines a fluid passage jointly with this second space of this housing;
One plate body, it covers this heating tube assembly and this second space and comprises a plurality of pores; And
At least one fluid guiding device, it passes this perforation of this housing and partly is placed in this housing;
Wherein, the guiding of a fluid by this fluid guiding device, enter this heating tube assembly heating by this first space of this housing of this heater after, this fluid issuing is sent to described a plurality of pore via this fluid passage and discharges certainly.
2. warm-up block as claimed in claim 1 is characterized in that, is provided with a dividing plate between this first space of this housing of this heater and this second space, and this dividing plate has an opening, and this perforation is arranged at the bottom center in this second space.
3. warm-up block as claimed in claim 2 is characterized in that, this heating tube assembly of this heater is arranged at these second space central authorities of this housing, and this heating tube assembly also comprises:
One first plate and one second plate, it is corresponding mutually, and this fluid issuing is arranged at this second plate;
At least one sidewall, itself and this first plate and this second plate define one jointly and hold receipts portion and fluid inlet; And
A plurality of heating tubes, it is placed in this appearance receipts portion.
4. warm-up block as claimed in claim 3 is characterized in that, this first plate of this heating tube assembly of this heater is adjacent to this plate body, and this fluid issuing is corresponding to this perforation of this housing, and this fluid intake is corresponding to this opening of this housing.
5. warm-up block as claimed in claim 1 is characterized in that, this fluid guiding device disposes corresponding to this heater and comprises:
One motor holder, it is fixed on this casing;
One flabellum, its be arranged on this motor holder and pass this casing, this heater this housing this perforation and be placed in this fluid passage; And
One motor, it links to each other with this flabellum, rotates to guide this fluid to drive this flabellum.
6. warm-up block as claimed in claim 5 is characterized in that, this flabellum of this fluid guiding device comprises an inlet air side and an air draft side, and this inlet air side is to this fluid issuing of this heating tube assembly, and this air draft side is for this fluid passage.
7. warm-up block as claimed in claim 1 is characterized in that, this casing also comprises:
At least one hole, it is corresponding to this perforation of this housing of this heater; And
At least one cover plate, it is provided with corresponding to this heater.
8. pre-heating device, it is used for the electronic component that preheating is coated with scaling powder, it is characterized in that, and this pre-heating device comprises:
One heat tunnel, it passes through for this electronic component; And
One warm-up block, it is neighbour in this heat tunnel setting and comprise:
One casing, it comprises a storage tank;
At least one heater, it is placed in this storage tank of this casing, and comprise a housing, an one heating tube assembly and a plate body, this housing comprises corresponding a plurality of first space and one second space, this first space is communicated with this heat tunnel, and this second space comprises a perforation, this heating tube assembly is placed in this second space of this housing and comprises fluid outlet, this heating tube assembly is communicated with this first space of this housing and defines a fluid passage jointly with this second space, and this plate body covers this second space of this heating tube assembly and this housing and comprises a plurality of pores; And
At least one fluid guiding device, it passes this perforation of this housing and partly is placed in this housing;
Wherein, one fluid is by the guiding of this fluid guiding device of this warm-up block, after entering this heating tube assembly heating by this first space of this housing of this heater, be sent to described a plurality of pore from this fluid issuing via this fluid passage and drain into this heat tunnel, with this electronic component of preheating.
9. pre-heating device as claimed in claim 8, it is characterized in that, be provided with a dividing plate between this first space of this housing of this heater of this warm-up block and this second space, this dividing plate has an opening, and this perforation is arranged at the bottom center in this second space.
10. pre-heating device as claimed in claim 9 is characterized in that, this heating tube assembly of this heater of this warm-up block is arranged at these second space central authorities of this housing, and this heating tube assembly also comprises:
One first plate and one second plate, it is corresponding mutually, and this fluid issuing is arranged at this second plate;
At least one sidewall, itself and this first plate and this second plate define one jointly and hold receipts portion and fluid inlet; And
A plurality of heating tubes, it is placed in this appearance receipts portion.
11. pre-heating device as claimed in claim 10, it is characterized in that, this first plate of this heating tube assembly of this heater of this warm-up block is adjacent to this plate body, and this fluid issuing is corresponding to this perforation of this housing, and this fluid intake is corresponding to this opening of this housing.
12. pre-heating device as claimed in claim 8 is characterized in that, this fluid guiding device of this warm-up block disposes corresponding to this heater and comprises:
One motor holder, it is fixed on this casing;
One flabellum, its be arranged on this motor holder and pass this casing, this heater this housing this perforation and be placed in this fluid passage, and this flabellum comprises an inlet air side and an air draft side, this inlet air side is for this fluid issuing of this heating tube assembly, and this air draft side is for this fluid passage; And
One motor, it links to each other with this flabellum, rotates to guide this fluid to drive this flabellum.
13. pre-heating device as claimed in claim 8 is characterized in that, this casing of this warm-up block also comprises:
At least one hole, it is corresponding to this perforation of this housing of this heater; And
At least one cover plate, it is provided with corresponding to this heater.
14. a heater, it is applied to a warm-up block, and this warm-up block comprises a fluid guiding device at least, it is characterized in that, and this heater comprises:
One housing, it comprises corresponding a plurality of first space and one second space, this first space is in communication with the outside, and this second space comprises that a perforation runs through setting for this fluid guiding device;
One heating tube assembly, it is placed in this second space of this housing and comprises fluid outlet, and this heating tube assembly is communicated with this first space of this housing and defines a fluid passage jointly with this second space of this housing; And
One plate body, it covers this second space of this heating tube assembly and this housing and comprises a plurality of pores;
Wherein, the guiding of a fluid by this fluid guiding device, enter this heating tube assembly heating by this first space after, discharge from described a plurality of pores through this fluid issuing and this fluid passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201749128U CN201677109U (en) | 2010-04-28 | 2010-04-28 | Heating device and preheating module and preheating device utilizing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201749128U CN201677109U (en) | 2010-04-28 | 2010-04-28 | Heating device and preheating module and preheating device utilizing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201677109U true CN201677109U (en) | 2010-12-22 |
Family
ID=43342169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201749128U Expired - Fee Related CN201677109U (en) | 2010-04-28 | 2010-04-28 | Heating device and preheating module and preheating device utilizing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201677109U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161141A (en) * | 2011-03-24 | 2011-08-24 | 亿光电子(中国)有限公司 | Welding wire machine |
| CN103769713A (en) * | 2012-10-19 | 2014-05-07 | 台达电子电源(东莞)有限公司 | Preheating module and preheating zone using same and preheating section |
| CN111351149A (en) * | 2020-02-27 | 2020-06-30 | 江苏易诺威建筑科技有限公司 | Grille type subway shield door climate conversion device |
-
2010
- 2010-04-28 CN CN2010201749128U patent/CN201677109U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161141A (en) * | 2011-03-24 | 2011-08-24 | 亿光电子(中国)有限公司 | Welding wire machine |
| CN102161141B (en) * | 2011-03-24 | 2014-01-29 | 亿光电子(中国)有限公司 | Welding wire machine |
| CN103769713A (en) * | 2012-10-19 | 2014-05-07 | 台达电子电源(东莞)有限公司 | Preheating module and preheating zone using same and preheating section |
| CN111351149A (en) * | 2020-02-27 | 2020-06-30 | 江苏易诺威建筑科技有限公司 | Grille type subway shield door climate conversion device |
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