CN101990367A

CN101990367A - Adjustable hot air cover

Info

Publication number: CN101990367A
Application number: CN2009101624834A
Authority: CN
Inventors: 翁仁龙; 宋柏骏; 刘忠义; 梁刚铭; 陈晶鑫; 杨万祥
Original assignee: Giga Byte Technology Co Ltd
Current assignee: Giga Byte Technology Co Ltd
Priority date: 2009-08-06
Filing date: 2009-08-06
Publication date: 2011-03-23
Anticipated expiration: 2029-08-06
Also published as: CN101990367B

Abstract

The invention relates to a hot air cover, comprising a cover body and a guiding mechanism. The top of the cover body is formed with an air gathering chamber, the air gathering chamber is provided with an air inlet, and hot air can enter into the air gathering chamber from the air inlet. The guiding mechanism is arranged in the air gathering chamber of the cover body and comprises two guiding plates which face the air inlet. The two guiding plates are mutually superimposed, and each guiding plate is defined at least one slot hole. Besides, the slot hole of one guiding plate and the slot hole of the other guiding plate are arranged in pair up and down and are mutually parallel. Especially, the guiding plate can shift relative to the other guiding plate along the length direction of the slot hole of the other guiding plate, so that one part of the slot hole of the guiding plate is exposed outside the other guiding plate, one part is shielded by the other guiding plate, and one part is overlapped with the slot hole of the other guiding plate.

Description

Adjustable air bells cap

Technical field

The present invention is relevant a kind of air bells cap that even hot blast output is provided, and refers to a kind of being applied on the printed circuit board (PCB) in order to hot blast reflow or maintenance of equipment especially.

Background technology

General electronic building brick mainly is to utilize the electric connection of scolding tin or tin ball and be installed in institute's preposition on the circuit board.On the contrary, when the electronic building brick desiring to pull out on the described circuit board, the electronic building brick that can utilize an air bells cap that institute's desire is removed traditionally covers, and irritates with hot blast melts soldering tin again, at last described electronic building brick is pulled out.

TaiWan, China announce the 491473rd and M248191 number novel patent all show a kind of heater of commonly using printed circuit board (PCB) reflow machine, after it is concentrated hot blast by the collection chamber in the heating head of heater, blow hot blast by plural hot-air mouth again and to printed circuit board (PCB), heat, to reach the order ground of even heating.In addition, described heater more utilizes the setting of the different bores of each hot-air mouth, to shorten the melts soldering tin time.Yet those hot-air mouths are to be arranged on regularly on the panel of this concentration chamber lower end, lack flexibility in the use.

Again, TaiWan, China is announced the hot blast sleeve that M286402 number novel patent shows a kind of tool radiating effect, and it mainly comprises a heat supply cell body.Described heat supply cell body inside is provided with a wind-guiding cell body, and it defines plural air-guiding hole, as the mobile port of hot blast.In addition, more be provided with special dividing plate in the described heat supply cell body.When hot blast after the downward convection current, directly brushes the surface of chip by air-guiding hole, and simultaneously to around scatter, the hot gas after scattering flows to a cushion space between dividing plate and heat supply cell body sidewall by the space of dividing plate below, then again by the air outlet outflow of sidewall upper limb.The number that described air outlet is provided with without limits, but being symmetrical arranged separately to good, so that comparatively average during the heating air-out around whole heat supply cover body.

Summary of the invention

The invention provides a kind of adjustable air bells cap, it is by the size and location that change air outlet, so that more appropriate samming environment to be provided.

Know clearly it, air bells cap of the present invention comprises a cover body and a deflector.The top of described cover body is formed with a wind assembling set, and there is an air intake vent in described wind assembling set, and hot wind supply enters.Described deflector is located at the wind assembling set of described cover body, and comprises that two bafflers are in the face of described air intake vent.Described two bafflers are to coincide mutually, and each baffler defines at least one slotted hole.In addition, the slotted hole that it is characterized in that the slotted hole of a baffler and another baffler is to dispose in pairs up and down and be parallel to each other.More particularly, described baffler can be along the length direction of its slotted hole relatively in described another baffler displacement, make described baffler slotted hole some outer be exposed at outside described another baffler, a part covered by described another baffler, and the slotted hole of a part and described another baffler overlaps.

By this, because adjustable air bells cap of the present invention can suitably be adjusted the openings of sizes and the position of air outlet, so the present invention can be adjusted to optimized equal temp effect at different assemblies to be heated.

As for other summary of the invention of the present invention and more detailed technology and effect explanation, with the explanation that discloses subsequently.

Description of drawings

Fig. 1 is the schematic diagram of a preferred embodiment of air bells cap of the present invention.

Fig. 2 is to show that this preferred embodiment is used in the situation on the circuit board.

Fig. 3 is the drawing in side sectional elevation of Fig. 2.

Fig. 4 is the sectional arrangement drawing of Fig. 2.

Fig. 5 is the configuration scenario that shows the flow-guiding structure of described preferred embodiment.

Fig. 6 is the schematic diagram of another preferred embodiment of air bells cap of the present invention.

Fig. 7 is to show that described another preferred embodiment is used in the situation on the circuit board.

Fig. 8 is the configuration scenario that shows the flow-guiding structure of described another preferred embodiment.

Embodiment

Fig. 1 is a preferred embodiment that shows air bells cap of the present invention, points out that wherein described air bells cap 100 comprises a cover body 1 and a deflector 2.Fig. 2 shows that described air bells cap 100 is used in the situation of the plural memory bank 4 on heating one circuit board 3, in order to those memory banks 4 are pulled away from this circuit board 3.It should be noted that because those memory banks 4 are strips, therefore can allow described cover body 1 that the uniform air-out more fractal key that seems is provided.

Fig. 3 and Fig. 4 be described air bells cap 100 when using laterally and longitudinal sectional view.As shown in the figure, the upper and lower part of described cover body 1 is formed with a shape of connection respectively like a trapezoidal wind assembling set 10 and a rectangle room 16.Described deflector 2 just is located at an appropriate location of described wind assembling set 10 intermediate zones.Consult Fig. 1 again, described wind assembling set 10 is that 11,13,15,17 of four skewbacks by described cover body 1 constitute.Specifically, as shown in Figure 3, described forward and backward skewback the 11, the 13rd, outward-dipping.On the contrary, as shown in Figure 4, described left and right skewback the 17, the 15th slopes inwardly.On the other hand, as Fig. 1, Fig. 3 or shown in Figure 4, the position below described rectangle room 16 be that a pair of long side plate 12 and a pair of wide side plate 14 by described cover body 1 constituted.The root edge of each wide side plate 14 defines a breach 140, is placed in outside the described cover body 1, as shown in Figure 2 with the fixed part 41 that makes things convenient for each memory bank 4 two ends.

Consult Fig. 3 again, described wind assembling set 10 end faces have an air intake vent 101, and hot wind supply enters.Described deflector 2 comprises two bafflers that coincide mutually 21,23 and faces described air intake vent 101.In the present embodiment, described baffler 21 defines two slotted holes 210, as shown in Figure 2; And 23 of another bafflers define two slotted holes 230.Consult Fig. 3 and shown in Figure 5, the slotted hole 230 of the slotted hole of described baffler 21 210 and described another baffler 23 is to dispose in pairs up and down and be parallel to each other.Described baffler 21 can be along the length direction of its slotted hole 210 relatively in described another baffler 23 displacements, make slotted hole 210 some 210a of described baffler 21 be exposed at outside described another baffler 23 outward, a part of 210b covered by described another baffler 23, and slotted hole 230 overlappings of a part of 210c and described another baffler 23.Comparatively speaking, also some 230a is exposed at outside the described baffler 21 outward the slotted hole 230 of described another baffler 23, a part of 230b covered by described baffler 21, and slotted hole 210 overlappings of a part of 230c and described baffler 21.By this, described two

bafflers

21,23 can define three less

wind pushing hole

230a, 210c/230c, 210a jointly by two slotted holes 210,230 originally, as shown in Figure 5.Therefore, operating personnel can be by the relative position of adjusting described two

bafflers

21,23, to mix best equal temp effect.Preferably, can be reserved with the slit between the forward and backward

skewback

11,13 of described two

bafflers

21,23 that coincide and described cover body 1, as extra air-supply passage.

What deserves to be mentioned is, for the preferable electronic building brick (for example those memory banks) of equal temp effect to be used in strip is provided, the wind assembling set 10 of described cover body 1 of the present invention is from top to bottom gradually wide (as shown in Figure 3) at length direction, and is from top to bottom gradually narrow (as shown in Figure 4) at Width.Know clearly it, consult Fig. 4, because the wind assembling set 10 of described cover body 1 is at the from top to bottom gradually narrow overall width to those memory banks 4 of Width, therefore compared to the virtual wind assembling set (not shown) that overall width constituted by those memory banks 4, wind assembling set 10 of the present invention provides bigger space to do heat exchange to produce uniform hot blast, and heat in case promptly promptly compile towards those memory banks 4 of below after evenly hot blast forms, therefore can down provide even hot blast quickly and effectively toward the below.On the other hand, consult Fig. 3 again, because the wind assembling set 10 of described cover body 1 is from top to bottom gradually wide at length direction, therefore the transmission of hot blast is not only downwards, and extend out equably to length direction especially, make the everywhere of those memory banks 4 can reach the purpose of thermally equivalent along described cover body 1.

Fig. 6～Fig. 8 shows another preferred embodiment of the present invention, the embodiment of its quite similar described Fig. 1～Fig. 5.Wherein topmost difference provides the

baffler

51,52 of another kind of sample attitude at present embodiment, to replace the baffler 2 among the described embodiment.

In brief, as Figure 6 and Figure 7, the air bells cap 200 of present embodiment comprises a cover body 1 and a deflector 5.The top of described cover body 1 is formed with a wind assembling set 10, and there is an air intake vent 101 in described wind assembling set 10, and hot wind supply enters.The wind assembling set 10 of described cover body 1 is from top to bottom gradually wide at length direction, and is from top to bottom gradually narrow at Width, in order to equal temp effect to be provided efficiently, explains as the embodiment of Fig. 1～Fig. 5.Described deflector 5 is located in the wind assembling set 10 of described cover body 1, and comprises two

bafflers

51,52 that coincide mutually.As shown in Figures 7 and 8, each

baffler

51,52 defines the hole 510,520 that plural number forms a line, and wherein the round 520 of the round 510 of a baffler 51 and another baffler 52 is to dispose in pairs up and down and be parallel to each other.The direction that described baffler 51 can be arranged along its round 510 makes the round 510 of described baffler 51 have part to be covered by described another baffler 52 with respect to described another baffler 52 displacements.

What deserves to be mentioned is, as shown in Figure 8,, therefore form less air outlet because the

round

510 or 520 in centre position has part to be covered by described baffler 51.On the contrary, the round 510,520 that occupies the both sides does not have crested, so form the bigger air outlet of more central round 520, is in harmonious proportion the more weak problem of both sides air-out power originally so just appositely.Therefore, operating personnel can find the most appropriate equal temp effect by the relative position of adjusting those bafflers 52.

From above-mentioned explanation, be appreciated that adjustable air bells cap of the present invention can suitably adjust the openings of sizes and the position of air outlet, and, be adjusted to optimized equal temp effect at different assemblies to be heated.

In any case anyone can obtain enough instructions from the explanation of described example, and according to and understand content of the present invention and be different from prior art really, and have the practicality on the industry, and sufficient creative.Be that the present invention has really met patent requirement, now file an application in accordance with the law.

Claims

1. air bells cap is characterized in that comprising:

One cover body is formed with a wind assembling set, and there is an air intake vent in described wind assembling set, and hot wind supply enters; And

One deflector is located at the wind assembling set of described cover body and faces described air intake vent, and comprises two bafflers, and described two bafflers coincide mutually, and each baffler defines at least one slotted hole; And the slotted hole that it is characterized in that the slotted hole of a baffler and another baffler is to dispose in pairs up and down and be parallel to each other; Described baffler can be along the length direction of its slotted hole relatively in described another baffler displacement, make some outer outside, part that is exposed at described another baffler of slotted hole of described baffler be covered, and the slotted hole of a part and described another baffler overlap by described another baffler.

2. according to the described air bells cap of claim 1, it is characterized in that the wind assembling set of described cover body is from top to bottom gradually wide at length direction, and be from top to bottom gradually narrow at Width.

3. air bells cap is characterized in that comprising:

One deflector, be located at the wind assembling set of described cover body and face described air intake vent, and comprise two bafflers, described two bafflers coincide mutually, each baffler defines the hole that plural number forms a line, and the round that it is characterized in that the round of a baffler and another baffler is to dispose in pairs up and down and be parallel to each other; And the direction that described baffler can be arranged along its round makes the round of described baffler have part to be covered by described another baffler relatively in described another baffler displacement.

4. according to the described air bells cap of claim 3, it is characterized in that the wind assembling set of described cover body is from top to bottom gradually wide at length direction, and be from top to bottom gradually narrow at Width.