CN206371034U

CN206371034U - Dissimilar metal welding structure and the heat spreader structures comprising it

Info

Publication number: CN206371034U
Application number: CN201621377852.3U
Authority: CN
Inventors: 吴嘉昇
Original assignee: Yu Qin Technology Co Ltd
Current assignee: Yu Qin Technology Co Ltd
Priority date: 2016-12-15
Filing date: 2016-12-15
Publication date: 2017-08-01
Anticipated expiration: 2026-12-15

Abstract

The utility model provides a kind of dissimilar metal welding structure and the heat spreader structures comprising it, includes one first metalwork and one second metalwork.There are one or more rivet holes on second metalwork, in on the rivet hole distinguish the bridgeware of punching press one, first metalwork is welded on the bridgeware, first metalwork is fixed on second metalwork by the bridgeware, thus, the utility model makes to be able to firm combination, the advantages of having low lightweight, cost, excellent in heat dissipation effect concurrently between different metal materials.

Description

Dissimilar metal welding structure and the heat spreader structures comprising it

Technical field

The utility model is related to a kind of heat spreader structures, particularly relates to a kind of dissimilar metal welding structure and comprising it Heat spreader structures.

Background technology

The characteristics such as the multi-functional and excellent performance in order to realize electronic product, effectively processing electronic product are because big produced by computing The heat of amount is one big crucial.It because heat can't be dissipated voluntarily, or even can constantly be accumulated before dissipation, and then cause electronics Product temperature persistently rises.When electronic product is continuously under hot environment, easily there is running speed slowly or because of overheat And when machine etc. can not normal operation situation.The spare part of electronic product is easily damaged plus hot environment, causes electronic product Service life shortens.Therefore, typically radiator can be installed on the spare part periphery for easily producing hyperpyrexia, to solve fire damage electronics Product influences the problem of it is operated.

The main material of known radiator is typically using the low aluminum metal of lightweight, cost, but the radiating of aluminum metal is imitated Fruit is not especially excellent.The why more difficult copper metal or other metal materials using other better heat-radiation effects of industry, mainly Reason is the heavier-weight and high expensive of other metal materials, even if the radiating effect of other metal materials is better than aluminium gold Category, but considering based on real economy benefit, still using aluminum metal as most common heat sink material option.

Though there are lightweight and low cost and other advantages in view of the radiator of above-mentioned known techniques, for the effect of radiating Aspect still has to be hoisted, but uses the material of excellent in heat dissipation effect to have the problem of cost does not meet economic benefit again, in this regard, this Utility model creator feel the need to design one kind can have concurrently it is lightweight, be not required to increase excessive cost and can be more effective The radiator of ground improving radiating effect, uses the radiator for providing that economic benefit is good and radiating effect is high.

Utility model content

The purpose of this utility model is to provide a kind of dissimilar metal welding structure and the heat spreader structures comprising it, is Solve in known techniques the problem of can not different metal materials be connected, and be connected firmly, lightweight, cost is low, radiating Effect is good.

To achieve these goals, the utility model provides a kind of dissimilar metal welding structure, it is characterised in that include Have：

One first metalwork；And

There are one or more rivet holes, in punching press one is bridged respectively on the rivet hole on one second metalwork, second metalwork Part, first metalwork is welded on the bridgeware that first metalwork is fixed on into second metalwork by the bridgeware On.

Wherein, the gap between first metalwork and second metalwork is coated with a Heat Conduction Material.

Wherein, the rivet hole includes a fixing groove and one is arranged in the fixing groove and that external diameter is big compared with the fixing groove is outer Annular groove, the bridgeware include an external diameter it is small compared with the outer groove internal diameter with plug the contact to the outer groove section, an external diameter be situated between Fixed between the outer groove and the fixing groove with the deformation section and an external diameter with fixing groove formation partial coherence compared with this The small positioning section to plug to the fixing groove of groove internal diameter.

Wherein, one enters the fixing groove with sharp deformation section riveting to sinking between deformation section and the positioning section Annular ditch groove.

Also disclose a kind of heat spreader structures, it is characterised in that include：

One cooling base, includes a body and one is arranged at heat-conducting metal on this body to contact thermal source Block, in being provided with one or more rivet holes on the seat body of the heat-conducting metal block the week side of boss, in distinguishing the bridgeware of punching press one on the rivet hole； And

One thermal conductive metal pipe, is arranged at the cooling base side, and the thermal conductive metal pipe is welded on the bridgeware with by this The thermal conductive metal pipe is fixed on the cooling base by bridgeware.

Wherein, the thermal conductive metal pipe include one be arranged on the heat-conducting metal block to absorb heat heat-conduction part and One with the heat transfer section be connected and be arranged on this body be used to diffusion heat heat diffusion portion.

Wherein, the heat-conducting metal block include one be arranged on this body and the bottom plate with multiple metal fins and One is arranged at thermo-contact section of the bottom plate relative to the metal fin side, and thermo-contact section is opened through one on this body Mouthful, there is the thermo-contact section heat transfer plane contacted with an electronic component to absorb the heat of the electronic component.

Wherein, it is equiped with a heat-conducting liquid in the thermal conductive metal pipe.

Wherein, the gap between this body and the thermal conductive metal pipe is coated with a Heat Conduction Material.

Wherein, this body side is provided with multiple radiating fins to increase heat dissipation area.

Therefore the utility model has following advantage effect than known techniques：

1. the utility model provides punching press to the bridgeware of cooling base, in being welded on bridgeware, make different gold Firm combination is able between category material.

2. the utility model provides connection and around the thermal conductive metal pipe of heat-conducting metal block the week side of boss, through thermal conductive metal pipe Transmission heat uses the scope for expanding heat dissipation to cooling base.

3. the utility model has the advantages that lightweight, cost is low, excellent in heat dissipation effect.

Brief description of the drawings

Fig. 1, is the structural decomposition diagram of the utility model dissimilar metal welding structure.

Fig. 2, is the section close-up schematic view after the utility model bridgeware riveting enters.

Fig. 3, is the side close-up schematic view of the utility model dissimilar metal welding structure.

Fig. 4, is the schematic appearance of the utility model heat spreader structures.

Fig. 5, is the structural decomposition diagram (one) of the utility model heat spreader structures.

Fig. 6, is the structural decomposition diagram (two) of the utility model heat spreader structures.

Fig. 7, is the schematic appearance at another visual angle of the utility model heat spreader structures.

Fig. 8, is the section close-up schematic view after the utility model bridgeware riveting enters.

Fig. 9, is the side close-up schematic view of the utility model heat spreader structures.

Embodiment

The detailed description of relevant the utility model and technology contents, now just coordinate schema to be described as follows.Furthermore, this practicality is new Schema in type, for convenience of explanation, its ratio may not shine actual ratio drafting, the schema such as this and its ratio and be not used to limitation originally The scope of utility model, is chatted bright in advance herein.

A preferably implementation aspect is lifted below for technology of the present utility model to illustrate.Please referring initially to " Fig. 1 ", this practicality The structural decomposition diagram of new dissimilar metal welding structure, as shown in the figure：

This implementation aspect discloses a kind of dissimilar metal welding structure 100, applied to the combination between different metal material.Institute The dissimilar metal welding structure 100 stated includes one first metalwork 10 and one and is arranged at the side of the first metalwork 10 Second metalwork 20.In preferably implementation aspect, the first described metalwork 10 can be the metal materials such as aluminium, aluminium alloy, should Second metalwork 20 can be copper, copper alloy or the good metal material of other any thermal conductivity, and the utility model is not limited.

There are one or more rivet holes 21 on the second described metalwork 20.In preferably implementation aspect, described rivet hole 21 include a fixing groove 211 and an outer groove 212, and the outer groove 212 is arranged in the fixing groove 211, and the outer groove 212 external diameters are big compared with the fixing groove 211.Described rivet hole 21 can not penetrate second metalwork 20, use and maintain second gold medal Belong to the surface of part 20 complete.

Also referring to " Fig. 2 ", the utility model bridgeware riveting enter after close-up schematic view, as shown in the figure：

In the bridgeware M of punching press one on described rivet hole 21.In preferably implementation aspect, described bridgeware M includes One contact section M1, a deformation section M2 and positioning section M3.Contact section M1 external diameters are small compared with the internal diameter of outer groove 212, so that should Contact section M1 is plugged to the outer groove 212.The deformation section M2 external diameters between the outer groove 212 and the fixing groove 211, with Make deformation section M2 and the fixing groove 211 formation partial coherence.Positioning section M3 external diameters are small compared with the internal diameter of fixing groove 211, with Positioning section M3 is set to plug to the fixing groove 211.Have one between described deformation section M2 and positioning section M3 to caving in The annular ditch groove (not shown) entered, when bridgeware M punching presses to the rivet hole 21, deformation section M2 will enter strength with being somebody's turn to do in response to riveting Deformation is produced between fixing groove 211 and is tilted, and the annular ditch groove can enter required during the fixing groove 211 for deformation section M2 rivetings Deformation space, use and bridgeware M be firmly inserted in the rivet hole 21.

Also referring to " Fig. 3 ", the side close-up schematic view of the utility model dissimilar metal welding structure, such as figure institute Show：

The solder F that described bridgeware M is available for a heating to melt is incorporated into bridgeware M surface, makes first metal Part 10 is welded on bridgeware M, and first metalwork 10 is fixed on second metalwork 20 by bridgeware M.Compared with In good implementation aspect, described bridgeware M can be set for the material such as red metal or copper alloy (top layer nickel plating is tin plating) with sharp solder F Put.Gap between the first described metalwork 10 and second metalwork 20 is coated with a Heat Conduction Material H, makes first gold medal Category part 10 and second metalwork 20 between closely paste, use lifting first metalwork 10 and second metalwork 20 it Between conduction of heat.

A preferably implementation aspect is separately lifted below for technology of the present utility model to illustrate.Please referring initially to " Fig. 4 ", this reality With the schematic appearance of new heat spreader structures, as shown in the figure：

A kind of heat spreader structures 200 are disclosed in this implementation aspect, applied to the various electronic products for being also easy to produce hyperpyrexia, thoroughly The spare part for crossing contact electronic product reaches the heat dissipation for absorbing its heat and helping spare part, is using maintenance electronic product just Often running.Described heat spreader structures 200 include a cooling base 30 and one and are arranged at leading for the side of cooling base 30 Thermometal pipe 40.In preferably implementation aspect, described cooling base 30 can be the metal materials, the heat conduction such as aluminium, aluminium alloy Metal tube 40 can be copper, copper alloy or the good metal material of other any thermal conductivity, and the utility model is not limited.

Also referring to " Fig. 5 ", " Fig. 6 " and " Fig. 7 ", the utility model heat spreader structures are in the structure point of different visual angles Solution and the schematic appearance at another visual angle, as shown in the figure：

Described cooling base 30 includes a heat-conducting metal block 32 of body 31 and one, and the heat-conducting metal block 32 is set In on this body 31 to contact thermal source.In preferably implementation aspect, described heat-conducting metal block 32 can be via a locking Means are installed on this body 31.Described heat-conducting metal block 32 includes a bottom plate 321 and a thermo-contact section 322.Should Bottom plate 321 is arranged on this body 31 and with multiple metal fins 323 to increase heat dissipation area.Thermo-contact section 322 are arranged at side of the bottom plate 321 relative to the plurality of metal fin 323, and thermo-contact section 322 is passed through on this body 31 One opening 311, the thermo-contact section 322 have a heat transfer plane P contacted with an electronic component E, use via the heat biography Guiding plane P absorbs electronic component E heat.The described side of seat body 31 is provided with multiple to increase dissipating for heat dissipation area Hot fin 312, the radiating fin 312 is spaced each other, and using increases the area that this body 31 is contacted with the external world, carries Rise radiating efficiency.

One or more rivet holes 313 are provided with the seat body 31 of the described the week side of boss of heat-conducting metal block 32.In preferably implementing In aspect, described rivet hole 313 includes a fixing groove 3131 and an outer groove 3132.The outer groove 3132 is arranged at this In fixing groove 3131, and the external diameter of outer groove 3132 is big compared with the fixing groove 3131.Described rivet hole 313 can be not penetrate this sheet Body 31, uses 31 surfaces of maintenance this body complete.

As shown in " Fig. 8 ", in the bridgeware N of punching press one on described rivet hole 313.Described bridgeware N includes a contact Section N1, a deformation section N2 and positioning section N3.Contact section N1 external diameters are small compared with the internal diameter of outer groove 3132, so that the contact Section N1 is plugged to the outer groove 3132.The deformation section N2 external diameters between the outer groove 3132 and the fixing groove 3131, with Make deformation section N2 and the fixing groove 3131 formation partial coherence.Positioning section N3 external diameters are small compared with the internal diameter of fixing groove 3131, So that positioning section N3 is plugged to the fixing groove 3131.It is inside with one between described deformation section N2 and positioning section N3 The annular ditch groove being absorbed in, when bridgeware N punching presses to the rivet hole 313, deformation section N2 will enter strength in response to riveting to be fixed with this Deformation is produced between groove 3131 and is tilted, and the annular ditch groove can enter required during the fixing groove 3131 for deformation section N2 rivetings Deformation space, uses and bridgeware N is firmly inserted in the rivet hole 313.

Please be again in the lump refering to shown in " Fig. 5 " and " Fig. 6 ", described thermal conductive metal pipe 40 is arranged at the cooling base 30 1 Side.In preferably implementation aspect, the thermal conductive metal pipe 40 includes a heat-conduction part 41 and a heat diffusion portion 42.The heat Conducting part 41 is arranged on the heat-conducting metal block 32 to the heat for absorbing the heat-conducting metal block 32, and the heat diffusion portion 42 is passed with the heat Lead portion 41 to be connected and be arranged on this body 31, heat dissipation is expanded via the heat-conduction part 41 and the heat diffusion portion 42 Scope.Include a rivet hole 324 set for bridgeware N on described heat-conducting metal block 32, with the sharp thermal conductive metal pipe 40 It is arranged on the heat-conducting metal block 32.The rivet hole 324 can be used not penetrate the heat-conducting metal block 32 and maintain the heat-conducting metal block 32 surfaces are complete.A heat-conducting liquid W is equiped with described thermal conductive metal pipe 40, to lift conduction of heat.

Also referring to " Fig. 9 ", the side close-up schematic view of the utility model heat spreader structures, as shown in the figure：

The solder F that described bridgeware N is available for a heating to melt is incorporated into bridgeware N surface, makes the heat-conducting metal Pipe 40 is welded on bridgeware N, and the thermal conductive metal pipe 40 is fixed on this body 31 by bridgeware N.In preferable Implementation aspect in, described bridgeware N can be set for the material such as red metal or copper alloy (top layer nickel plating is tin plating) with sharp solder F Put.Gap between described seat body 31 and the thermal conductive metal pipe 40 is coated with a Heat Conduction Material H, make this body 31 with Closely pasted between the thermal conductive metal pipe 40, use the heat transfer lifted between this body 31 and the thermal conductive metal pipe 40 and make With.

In summary, the utility model is passed through makes to be consolidated between different metal materials due to carrying out welding on bridgeware With reference to, and connection is provided and around the thermal conductive metal pipe of heat-conducting metal block the week side of boss, uses the scope for expanding heat dissipation, has concurrently Lightweight, cost is low, excellent in heat dissipation effect the advantages of.

The utility model is described in detail above, only described above, only only of the present utility model one preferably implementation Example, it is when the scope of the utility model implementation can not be limited with this, i.e., all to make it according to present utility model application the scope of the claims Equivalent changes and modifications, all should still belong in the patent covering scope of the utility model.

Claims

1. a kind of dissimilar metal welding structure, it is characterised in that include：

One first metalwork；And

There are one or more rivet holes on one second metalwork, second metalwork, should in distinguishing the bridgeware of punching press one on the rivet hole First metalwork is welded on the bridgeware that first metalwork is fixed on second metalwork by the bridgeware.

2. dissimilar metal welding structure as claimed in claim 1, it is characterised in that first metalwork and second metal Gap between part is coated with a Heat Conduction Material.

3. dissimilar metal welding structure as claimed in claim 1, it is characterised in that the rivet hole includes a fixing groove and one It is arranged in the fixing groove and the external diameter outer groove big compared with the fixing groove, the bridgeware includes an external diameter compared with the outer groove internal diameter It is small to plug the section of the contact to the outer groove, an external diameter between the outer groove and the fixing groove to be formed with the fixing groove The deformation section and the external diameter positioning section to plug to the fixing groove small compared with the fixing groove internal diameter of partial coherence.

4. dissimilar metal welding structure as claimed in claim 3, it is characterised in that have between deformation section and the positioning section There is an annular ditch groove for entering the fixing groove to sinking into sharp deformation section riveting.

5. a kind of heat spreader structures, it is characterised in that include：

One cooling base, includes a body and one is arranged to the heat-conducting metal block for contacting thermal source on this body, In being provided with one or more rivet holes on the seat body of the heat-conducting metal block the week side of boss, in distinguishing the bridgeware of punching press one on the rivet hole；With And

One thermal conductive metal pipe, is arranged at the cooling base side, and the thermal conductive metal pipe is welded on the bridgeware with by the bridge joint The thermal conductive metal pipe is fixed on the cooling base by part.

6. heat spreader structures as claimed in claim 5, it is characterised in that the rivet hole includes a fixing groove and one is arranged at In the fixing groove and the external diameter outer groove big compared with the fixing groove, it is small compared with the outer groove internal diameter to insert that the bridgeware includes an external diameter If the contact section, an external diameter in the outer groove are between the outer groove and the fixing groove with dry with fixing groove formation part The deformation section and the external diameter positioning section to plug to the fixing groove small compared with the fixing groove internal diameter related to.

7. heat spreader structures as claimed in claim 6, it is characterised in that have between deformation section and the positioning section one to Sink into the annular ditch groove for entering the fixing groove with sharp deformation section riveting.

8. heat spreader structures as claimed in claim 5, it is characterised in that the thermal conductive metal pipe includes one and is arranged at the heat conduction Heat-conduction part and one on metal derby to absorb heat are connected and are arranged on this body to expand with heat transfer section The heat diffusion portion of radiating.

9. heat spreader structures as claimed in claim 5, it is characterised in that the heat-conducting metal block includes one and is arranged at this sheet On body and with multiple metal fins bottom plate and one be arranged at the bottom plate relative to the metal fin side thermo-contact section, Thermo-contact section has a heat transfer plane contacted with an electronic component through the opening on this body, thermo-contact section To absorb the heat of the electronic component.

10. heat spreader structures as claimed in claim 5 a, it is characterised in that heat-conducting liquid is equiped with the thermal conductive metal pipe.

11. heat spreader structures as claimed in claim 5, it is characterised in that between this body and the thermal conductive metal pipe Gap is coated with a Heat Conduction Material.

12. heat spreader structures as claimed in claim 5, it is characterised in that this body side is provided with multiple to increase The radiating fin of heat dissipation area.