CN204090278U - A kind of safe pcb board - Google Patents
A kind of safe pcb board Download PDFInfo
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- CN204090278U CN204090278U CN201420427616.2U CN201420427616U CN204090278U CN 204090278 U CN204090278 U CN 204090278U CN 201420427616 U CN201420427616 U CN 201420427616U CN 204090278 U CN204090278 U CN 204090278U
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Abstract
The utility model relates to a kind of safe pcb board, comprise the circuit conductor layer (1) that order is from top to bottom arranged, insulating barrier (2), heat-conducting layer (3) and substrate (4), wherein, circuit conductor layer (1) comprises circuit lead (5) and external power supply access wire (6), described external power supply access wire (6) comprises external section (7), with elasticity of flexure conducting strip (8), for circuit lead (5) in circuit conductor layer (1) with between external power supply access wire (6), design adopts plastic cement application elasticity of flexure conducting strip (8) to connect, and design heat conducting bar (10) in real time to the temperature of plastic cement feedback heat-conducting layer (3), the effect of monitoring is in real time achieved by pure physical structure, ensure that Emergency time can disconnect external power supply (9) in time to the power supply of pcb board, ensure that the fail safe of whole work.
Description
Technical field
The utility model relates to a kind of safe pcb board.
Background technology
Pcb board and printed circuit board, also known as printed circuit board (PCB), printed substrate, be called for short wiring board, take insulation board as base material, be cut into certain size, at least with a conductive pattern on it, and cloth porose (as component hole, fastener hole, plated-through hole etc.), be used for replacing the chassis of device electronic devices and components in the past, and realize being interconnected between electronic devices and components.Because this plate adopts electron printing to make, therefore be called as " printing " circuit board; Single sided board, double sided board, four laminates, six laminates and other multilayer circuit board can be divided into according to the wiring board number of plies.Due to printed circuit board (PCB) not general end product, therefore slightly chaotic in the definition of title, such as: the motherboard of PC, be called mainboard, and directly can not be called circuit board, although it is not there is the existence of circuit board in motherboard, identical, relevant but not talkative identical both therefore during assessment industry.Again for example: because there is integrated circuit part to load on circuit boards, thus news media claim it to be IC plate, but it is not also equal to printed circuit board (PCB) in fact; The printed circuit board (PCB) that we usually say refers to the circuit board of bare board-namely do not go up components and parts.Because pcb board its surface in practical application work arranges electronic component, therefore the electronic component in real work on pcb board can produce heat, because each electronic component is close to pcb board surface by scolding tin, the heat that each electronic component produces directly will pass to pcb board, existing pcb board is for this situation, all do improvement, structure such as pcb board is improved, for this heat is discharged, but this kind of mode is all cured the symptoms, not the disease, there is the effect of heat radiation, but effect is not so obvious, and along with the growth of service time, the radiating effect of this structure can become worse and worse, if temperature is crossed higher position and is easy to cause security incident, burn electronic component and pcb board.
Utility model content
For above-mentioned technical problem, technical problem to be solved in the utility model is to provide one and improves for existing pcb board structure, initiatively can realize the safe pcb board of protection according to variations in temperature.
The utility model is in order to solve the problems of the technologies described above by the following technical solutions: the utility model devises a kind of safe pcb board, comprise the circuit conductor layer that order is from top to bottom arranged, insulating barrier, heat-conducting layer and substrate, wherein, circuit conductor layer comprises circuit lead and external power supply access wire, described external power supply access wire comprises external section, with elasticity of flexure conducting strip, wherein, one end of external section is connected with external power supply, the other end of external section is connected with one end of elasticity of flexure conducting strip, elasticity of flexure conducting strip is fixedly connected with insulating barrier by plastic cement, under the effect of plastic cement, make the other end of elasticity of flexure conducting strip contact with circuit lead, also comprise the heat conducting bar be arranged on heat-conducting layer surface, heat conducting bar is identical with heat-conducting layer material, and the position of heat conducting bar is vertically corresponding up and down with plastic cement position, and heat conducting bar contacts with plastic cement through insulating barrier.
As a kind of optimal technical scheme of the present utility model: described heat-conducting layer and heat conducting bar adopt metal material to make, and heat conducting bar only contacts with plastic cement through described insulating barrier.
As a kind of optimal technical scheme of the present utility model: described substrate is hollow out platy structure.
As a kind of optimal technical scheme of the present utility model: described elasticity of flexure conducting strip adopts anti-oxidant elasticity of flexure conducting strip.
As a kind of optimal technical scheme of the present utility model: described elasticity of flexure conducting strip adopts copper product to make.
The safe pcb board of one described in the utility model adopts above technical scheme compared with prior art, has following technique effect:
(1) the safe pcb board of the utility model design, improve for existing pcb board structure, for circuit lead in circuit conductor layer with between external power supply access wire, design adopts plastic cement application elasticity of flexure conducting strip to connect, and design heat conducting bar in real time to the temperature of plastic cement feedback heat-conducting layer, achieved the effect of monitoring in real time by pure physical structure, ensure that Emergency time can disconnect the power supply of external power supply to pcb board in time, ensure that the fail safe of whole work;
(2) in the safe pcb board that the utility model designs, metal material is adopted to make for heat-conducting layer and heat conducting bar design, can while realize effective heat radiation for heat, can in real time accurately and timely by temperature feedback to plastic cement, further ensure Emergency time can in time to pcb board realize protection;
(3), in the safe pcb board that the utility model designs, be hollow out platy structure for substrate design, for the heat conducted by heat-conducting layer, can dispel the heat further in time, avoid heat accumulation to have influence on the operating efficiency of pcb board; And adopt anti-oxidant elasticity of flexure conducting strip for elasticity of flexure conducting strip, effectively ensure that the conductivity of elasticity of flexure conducting strip in practical application, ensure that the service behaviour of whole pcb board.
Accompanying drawing explanation
Fig. 1 is the work structuring schematic diagram of the pcb board of the utility model design;
Fig. 2 is the disconnection operator guards schematic diagram of the pcb board of the utility model design.
Wherein, 1. circuit conductor layer, 2. insulating barrier, 3. heat-conducting layer, 4. substrate, 5. circuit lead, 6. external power supply access wire, 7. external section, 8. elasticity of flexure conducting strip, 9. external power supply, 10. heat conducting bar, 11. plastic cements.
Embodiment
Below in conjunction with Figure of description, embodiment of the present utility model is described in further detail.
As shown in Figure 1, the utility model devises a kind of safe pcb board, comprise the circuit conductor layer 1 that order is from top to bottom arranged, insulating barrier 2, heat-conducting layer 3 and substrate 4, wherein, circuit conductor layer 1 comprises circuit lead 5 and external power supply access wire 6, described external power supply access wire 6 comprises external section 7, with elasticity of flexure conducting strip 8, wherein, one end of external section 7 is connected with external power supply 9, the other end of external section 7 is connected with one end of elasticity of flexure conducting strip 8, elasticity of flexure conducting strip 8 is fixedly connected with insulating barrier 2 by plastic cement 11, under the effect of plastic cement 11, make the other end of elasticity of flexure conducting strip 8 contact with circuit lead 5, also comprise the heat conducting bar 10 be arranged on heat-conducting layer 3 surface, heat conducting bar 10 is identical with heat-conducting layer 3 material, the position of heat conducting bar 10 is vertically corresponding up and down with plastic cement 11 position, heat conducting bar 10 contacts with plastic cement 11 through insulating barrier 2, based on the safe pcb board of above design technology project, improve for existing pcb board structure, for circuit lead 5 in circuit conductor layer 1 with between external power supply access wire 6, design employing plastic cement 11 is applied elasticity of flexure conducting strip 8 and is connected, and design heat conducting bar 10 feeds back heat-conducting layer 3 in real time temperature to plastic cement 11, the effect of monitoring is in real time achieved by pure physical structure, ensure that Emergency time can disconnect the power supply of external power supply 9 pairs of pcb boards in time, ensure that the fail safe of whole work.
On basis based on above design technology project, the utility model is for the safe pcb board of design, have also been devised following advantageous embodiment: described heat-conducting layer 3 and heat conducting bar 10 adopt metal material to make, and heat conducting bar 10 only contacts with plastic cement 11 through described insulating barrier 2, can while realize effective heat radiation for heat, can in real time accurately and timely by temperature feedback to plastic cement 11, further ensure Emergency time can in time to pcb board realize protection; Substrate 4 is designed to hollow out platy structure, for the heat conducted by heat-conducting layer 3, can dispel the heat further in time, avoids heat accumulation to have influence on the operating efficiency of pcb board; And elasticity of flexure conducting strip 8 adopts anti-oxidant elasticity of flexure conducting strip, effectively ensure that the conductivity of elasticity of flexure conducting strip 8 in practical application, ensure that the service behaviour of whole pcb board, in practical application, adopt copper product to make for elasticity of flexure conducting strip 8.
The utility model for design safe pcb board in actual application, comprise the circuit conductor layer 1 that order is from top to bottom arranged, insulating barrier 2, heat-conducting layer 3 and substrate 4, wherein, circuit conductor layer 1 comprises circuit lead 5 and external power supply access wire 6, substrate 4 is hollow out platy structure, described external power supply access wire 6 comprises external section 7, with elasticity of flexure conducting strip 8, one end of external section 7 is connected with external power supply 9, the other end of external section 7 is connected with one end of elasticity of flexure conducting strip 8, elasticity of flexure conducting strip 8 is fixedly connected with insulating barrier 2 by plastic cement 11, under the effect of plastic cement 11, make the other end of elasticity of flexure conducting strip 8 contact with circuit lead 5, also comprise the heat conducting bar 10 be arranged on heat-conducting layer 3 surface, heat-conducting layer 3 and heat conducting bar 10 adopt metal material to make, and the position of heat conducting bar 10 is vertically corresponding up and down with plastic cement 11 position, and heat conducting bar 10 contacts with plastic cement 11 through insulating barrier 2, in application, described elasticity of flexure conducting strip 8 adopts anti-oxidant elasticity of flexure conducting strip, and adopts copper product to make.In actual application, be arranged on the electronic component work on pcb board, in the course of work, electronic component produces heat, heat conducts on heat-conducting layer 3 through insulating barrier 2, heat-conducting layer 3 dispels the heat for heat, because substrate 4 is hollow out platy structure, therefore, the design of substrate 4 structure is convenient to for the further thermolysis by heat-conducting layer 3 heat conduction, meanwhile, based on the design of such scheme, heat-conducting layer 3 is while heat conduction and heat radiation, in real time heat is conducted to plastic cement 11 through heat conducting bar 10, due to the self-characteristic of plastic cement 11, can melt when reaching uniform temperature, therefore, the temperature received when plastic cement 11 raises gradually, when temperature is too high reach 1 boundary's point time, as shown in Figure 2, plastic cement 11 melts, stationary curved elastic conducting strip 8 cannot be continued, namely the elasticity of flexure conducting strip 8 do not fettered by plastic cement 11 recovers curved shape, disconnect the contact of itself and circuit lead 5, namely the power supply that external power supply 9 is circuit lead 5 is disconnected, thus the protection realized pcb board, in practical application, elasticity of flexure conducting strip 8 adopts anti-oxidant elasticity of flexure conducting strip, effectively ensure that the conductivity of elasticity of flexure conducting strip 8 in practical application, ensure that the service behaviour of whole pcb board, and adopt copper product to make for elasticity of flexure conducting strip 8.
In sum, the safe pcb board of the utility model design, improve for existing pcb board structure, the effect of monitoring is in real time achieved by pure physical structure, ensure that Emergency time can disconnect the power supply of external power supply 9 pairs of pcb boards in time, ensure that the fail safe of whole work, and be optimized design for the every aspect of modified node method, further ensure the service behaviour of whole pcb board.
By reference to the accompanying drawings execution mode of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Claims (5)
1. a safe pcb board, comprise the circuit conductor layer (1) that order is from top to bottom arranged, insulating barrier (2), heat-conducting layer (3) and substrate (4), wherein, circuit conductor layer (1) comprises circuit lead (5) and external power supply access wire (6), it is characterized in that: described external power supply access wire (6) comprises external section (7), with elasticity of flexure conducting strip (8), wherein, the one end of external section (7) is connected with external power supply (9), the other end of external section (7) is connected with one end of elasticity of flexure conducting strip (8), elasticity of flexure conducting strip (8) is fixedly connected with insulating barrier (2) by plastic cement (11), under the effect of plastic cement (11), make the other end of elasticity of flexure conducting strip (8) contact with circuit lead (5), also comprise the heat conducting bar (10) be arranged on heat-conducting layer (3) surface, heat conducting bar (10) is identical with heat-conducting layer (3) material, the position of heat conducting bar (10) is vertically corresponding up and down with plastic cement (11) position, and heat conducting bar (10) contacts with plastic cement (11) through insulating barrier (2).
2. a kind of safe pcb board according to claim 1, is characterized in that: described heat-conducting layer (3) and heat conducting bar (10) adopt metal material to make, and heat conducting bar (10) only contacts with plastic cement (11) through described insulating barrier (2).
3. a kind of safe pcb board according to claim 1, is characterized in that: described substrate (4) is hollow out platy structure.
4. according to a kind of safe pcb board described in any one in claims 1 to 3, it is characterized in that: described elasticity of flexure conducting strip (8) adopts anti-oxidant elasticity of flexure conducting strip.
5. a kind of safe pcb board according to claim 4, is characterized in that: described elasticity of flexure conducting strip (8) adopts copper product to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427616.2U CN204090278U (en) | 2014-07-31 | 2014-07-31 | A kind of safe pcb board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427616.2U CN204090278U (en) | 2014-07-31 | 2014-07-31 | A kind of safe pcb board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204090278U true CN204090278U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420427616.2U Active CN204090278U (en) | 2014-07-31 | 2014-07-31 | A kind of safe pcb board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204090278U (en) |
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2014
- 2014-07-31 CN CN201420427616.2U patent/CN204090278U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 223700 East District of Siyang Economic Development Zone, Suqian City, Jiangsu Province (No. 29 Zhuhai Road) Patentee after: Jiangsu Liankang Information Co.,Ltd. Address before: 223700 No. 29, Zhuhai Road, Siyang County, Suqian City, Jiangsu Province Patentee before: JIANGSU LIANKANG ELECTRONICS Co.,Ltd. |