CN203015367U - Radiating fin used for PCB - Google Patents
Radiating fin used for PCB Download PDFInfo
- Publication number
- CN203015367U CN203015367U CN 201220742192 CN201220742192U CN203015367U CN 203015367 U CN203015367 U CN 203015367U CN 201220742192 CN201220742192 CN 201220742192 CN 201220742192 U CN201220742192 U CN 201220742192U CN 203015367 U CN203015367 U CN 203015367U
- Authority
- CN
- China
- Prior art keywords
- fin
- pcb board
- setting element
- pcb
- sides
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a radiating fin used for a PCB. The radiating fin used for the PCB can have the effects of positioning the PCB, enabling the PCB to be grounded and radiating heat. The technical scheme of the utility model is that the radiating fin used for the PCB possesses a plurality of side surfaces, wherein at least one side surface is equipped with a positioning element, and the PCB is equipped with a positioning component matching the positioning element. The radiating fin provided by the utility model also can be used for the simultaneous heat radiation of a plurality of PCBs.
Description
Technical field
The utility model relates to a kind of fin for pcb board, and relating more particularly to can be with the location, heat radiation, the fin that grounding function integrates.
Background technology
Usually pcb board can be arranged in housing; fin can be set usually with the heat of outside transmission pcb board on each pcb board; be provided with heat-conducting plate between fin and pcb board; finally reach the purpose of the temperature that reduces pcb board, to prevent electronic circuit on overheated generation pcb board and the damage of electronic component.
In the overwhelming majority's industrial products, usually have the structure that several pcb boards are stacked, its position be located and be fixed to these pcb boards can on housing, usually also can pass through frame ground.This needs housing to have special configuration to satisfy the demand of the fixing and ground connection of pcb board, and to having relatively high expectations of housing design and manufacturing, the production cost of housing is higher.
Simultaneously, each pcb board all is equipped with fin, uses the quantity of fin more, and cost is larger.
Summary of the invention
The utility model is intended to propose a kind of fin for pcb board, and it can have the location pcb board, with the effect of pcb board ground connection and heat radiation.And the fin that the utility model proposes can also be used for being dispelled the heat simultaneously in the fine location of a plurality of needs and pcb board connected to one another.
According to the technical scheme of the fin for pcb board of the present utility model be: a kind of fin for pcb board, have a plurality of sides, wherein, be provided with setting element at least one side, be provided with the align member that coordinates with this setting element on pcb board.
By the setting element of fin side setting and the align member that coordinates with this setting element that arranges on pcb board, can position pcb board by fin.
Preferably, be provided with tinsel so that setting element is electrically connected to align member between setting element and align member.
Preferably, tinsel arranges around the end of align member.
Preferably, tinsel is around the copper coating of align member end coated or exposed copper.
By between setting element and align member, the metal forming that setting element is electrically connected to align member being set, can with setting element and align member ground connection, make fin and pcb board have same ground.
Preferably, pcb board is placed in housing, and fin has 3 sides, and 1 side is connected with housing, and other 2 sides connect respectively 1 pcb board, all has setting element on these 2 sides.
By the configuration of this fin, can only use 1 fin for 2 pcb boards, and by this fin, 2 pcb boards be located, and because each pcb board and fin have same ground, so the ground of these 2 pcb boards is identical.
Preferably, pcb board is placed in housing, and fin has 4 sides, and 1 side is connected with housing, and other 3 sides connect respectively 1 pcb board, all has setting element on these 3 sides.
By the configuration of this fin, can only use 1 fin for 3 pcb boards, and by this fin, 3 pcb boards be located, and because each pcb board and fin have same ground, so the ground of these 3 pcb boards is identical.
Preferably, setting element is the positioning cylinder that stretches out from the cylinder that fin protrudes, and align member is the location hole that matches with this positioning cylinder that arranges on described pcb board.
Preferably, this setting element is 2.
Use two setting elements can realize positioning function for pcb board.
Preferably, be provided with internal thread hole on fin, be provided with fixing hole on pcb board, screw passes fixing hole screw-in internal thread hole pcb board and fin is fixed together.
The pcb board of fixing by screw is connected closely with fin, has realized fixing and location reliably.
Preferably, the end around fixing hole arranges tinsel so that internal thread hole is electrically connected to fixing hole.
By use be threaded fixedly pcb board and fin, and set up around the end of fixing hole and internal thread hole and be electrically connected to, screw is connected connection and is made this electricals connection more stable with screw thread, reduced the impedance between electrical connection.
Also be provided with heat-conducting plate between fin and pcb board, heat-conducting plate is made by heat-conducting silicone grease or heat conductive silica gel.
Between fin and pcb board, heat-conducting plate is set, can be so that the heat of pcb board fully distributes to fin.
Preferably, fin is made by copper or aluminium.
Copper or aluminium have good heat transfer property, use copper or aluminum to make fin, can make fin have good heat dispersion.
In sum, the fin that is used for pcb board that the utility model provides, it has the location pcb board, with the effect of pcb board ground connection and heat radiation.And, the heat radiation when fin that the utility model proposes can also be used for a plurality of pcb board.
Description of drawings
Other advantage of the present utility model and feature will become more obviously clear from ensuing that only provide with the purpose of non-limiting example and explanation expression specific embodiment of the present utility model in the accompanying drawings, in the accompanying drawings:
Fig. 1 fits together front schematic diagram according to fin of the present utility model and three pcb boards;
Fig. 2 is fin and perspective view that pcb board be installed together practical according to this;
Fig. 3 is the perspective view of the fin practical according to this;
Fig. 4 is that fin and pcb board practical according to this is installed together front perspective view;
Fig. 5 is that fin and pcb board practical according to this is installed together front decomposition view;
Fig. 6 is the zoomed-in view of A in Fig. 4.
Description of reference numerals
1 fin
2 pcb boards
3 cylinders
4 internal thread holes
5 fixing holes
6 heat-conducting plates
7 tinsels
8 screws
9 positioning cylinders
Embodiment
Below with reference to Fig. 1 to Fig. 6, the fin for pcb board of the present utility model is described in detail.
As shown in Figures 1 to 3, fin 1 has 4 sides, has respectively therein the cylinder 3 of protrusion on three sides, the cylinder 3 that has four protrusions on each side, be provided with internal thread hole 4 in the cylinder 3 of each protrusion, be provided with the positioning cylinder (see figure 6) on the cylinder 3 of two protrusions therein, it is the setting element on fin 1, be provided with the fixing hole 5 that coordinates with this internal thread hole 3 on pcb board 2, fixing hole 5 can be also internal thread hole, also be provided with the location hole that matches with positioning cylinder on pcb board, i.e. align member on pcb board 2.Positioning cylinder coordinates with location hole the pcb board location, and screw 8 passes fixing hole 5 and is screwed into internal thread hole 3, so that pcb board 2 is fixing with fin 1.
By the positioning cylinder that arranges in fin 1 side and the location hole that coordinates with this positioning cylinder that arranges on pcb board 2, can position by 1 pair of pcb board 2 of fin, and by screw, internal thread hole and fixing hole are fixed on the appropriate location with pcb board.Be connected closely with fin 1 by screw 8 fixing pcb boards 2, realized fixing reliably.
Although positioning cylinder and location hole are respectively as the setting element on heating panel and the align member on pcb board in this embodiment.But other forms of setting element and align member also are fine, and for example location hole are arranged on fin, and positioning cylinder is arranged on pcb board.Any locate mode known in the art and be fixedly connected with mode and all can be applied to this.
As shown in Figure 4, be provided with tinsel 7 so that setting element is electrically connected to align member between the end of the internal thread hole 4 around the cylinder 3 that protrudes from fin 1 and fixing hole 5.
And, by forming the metal forming that is electrically connected to arranging between internal thread hole 4 and fixing hole 5, can with internal thread hole 4 and fixing hole 5 ground connection, make fin and pcb board have samely.
As shown in Figure 4, in this embodiment, 2 positioning cylinders are arranged on identical protrusion post with 2 internal thread holes wherein.
By use be threaded fixedly pcb board and fin, and set up around the end of fixing hole and internal thread hole and be electrically connected to, screw is connected connection and is made this electricals connection more stable with screw thread, reduced the impedance between electrical connection.
Usually, pcb board is placed in housing, and fin 1 in this embodiment has 4 sides, and 1 side is connected with housing, and other 3 sides connect respectively 1 pcb board 2, all has setting element on these 3 sides, and the number of setting element is 2.But the side of fin 1 is not limited to 4, and it can have 3 sides, also can have 5 sides, and it can design as required.
By the configuration of this fin, can only use 1 fin 1 for 3 pcb boards 2, and by this fin 1,3 pcb boards 3 be located, and because each pcb board 2 has same ground with fin 1, so the ground of these 3 pcb boards 2 is identical.
As shown in Figure 5, also be provided with heat-conducting plate between fin 1 and pcb board, heat-conducting plate is made by heat conductive silica gel or heat-conducting silicone grease.
Between fin 1 and pcb board 2, heat-conducting plate is set, can so that the heat of pcb board 2 fully distributes to fin, obtains good radiating effect.
Copper or aluminium have good heat transfer property, use copper or aluminum to make fin, can make fin 1 have good heat dispersion.
In sum, the fin that is used for pcb board that the utility model provides, it has the location pcb board, with the effect of pcb board ground connection and heat radiation.And, the heat radiation when fin that the utility model proposes can also be used for a plurality of pcb board.
Above the utility model is described in detail; for one of ordinary skill in the art; thought according to the utility model embodiment; change in specific embodiments and applications should not thought the scope that has departed from the utility model protection; in sum, this description should not be construed as restriction of the present utility model.
Claims (11)
1. a fin (1) that is used for pcb board, have a plurality of sides, and it is characterized in that: be provided with setting element at least one side, pcb board is provided with the align member that coordinates with described setting element on (2).
2. the fin for pcb board according to claim 1 (1) is characterized in that: be provided with tinsel (7) so that described setting element is electrically connected to described align member between described setting element and described align member.
3. the fin for pcb board according to claim 2 (1) is characterized in that: described tinsel (7) arranges around the end of described align member.
4. the fin for pcb board according to claim 3 (1) is characterized in that: described tinsel (7) is for around the copper coating of described align member end coated or exposed copper.
5. the described fin for pcb board of any one (1) according to claim 1 to 4, it is characterized in that: described pcb board (2) is placed in housing, described fin (1) has 3 sides, 1 side is connected with described housing, other 2 sides connect respectively 1 pcb board (2), all have described setting element on these 2 sides.
6. the described fin for pcb board of any one (1) according to claim 1 to 4, it is characterized in that: described pcb board (2) is placed in housing, described fin (1) has 4 sides, 1 side is connected with described housing, other 3 sides connect respectively 1 pcb board (2), all have described setting element on these 3 sides.
7. the described fin for pcb board of any one (1) according to claim 1 to 4, it is characterized in that: described setting element is the positioning cylinder that stretches out from the cylinder (3) that fin protrudes, and described align member is at the upper location hole that matches with this positioning cylinder that arranges of described pcb board (2).
8. the fin for pcb board according to claim 7 (1), it is characterized in that: described setting element is 2.
9. the fin for pcb board according to claim 7 (1), it is characterized in that: be provided with internal thread hole (4) on described fin (1), be provided with fixing hole (5) on described pcb board (2), screw (8) passes described fixing hole (5) and screws in described internal thread hole (4) described pcb board (2) and described fin (1) are fixed together.
10. the fin for pcb board according to claim 9 (1), it is characterized in that: the end around described fixing hole (5) arranges tinsel (7) so that described internal thread hole (4) is electrically connected to described fixing hole (5).
11. the described fin for pcb board of any one (1) according to claim 1 to 4, it is characterized in that: described fin (1) is made by copper or aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742192 CN203015367U (en) | 2012-12-28 | 2012-12-28 | Radiating fin used for PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742192 CN203015367U (en) | 2012-12-28 | 2012-12-28 | Radiating fin used for PCB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203015367U true CN203015367U (en) | 2013-06-19 |
Family
ID=48606917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220742192 Expired - Lifetime CN203015367U (en) | 2012-12-28 | 2012-12-28 | Radiating fin used for PCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203015367U (en) |
-
2012
- 2012-12-28 CN CN 201220742192 patent/CN203015367U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |