CN205005336U - Electronic equipment and circuit board thereof - Google Patents
Electronic equipment and circuit board thereof Download PDFInfo
- Publication number
- CN205005336U CN205005336U CN201520623403.1U CN201520623403U CN205005336U CN 205005336 U CN205005336 U CN 205005336U CN 201520623403 U CN201520623403 U CN 201520623403U CN 205005336 U CN205005336 U CN 205005336U
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- CN
- China
- Prior art keywords
- circuit board
- electric capacity
- electronic equipment
- vacancy section
- capacity pad
- 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 - Fee Related
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Abstract
The utility model provides an electronic equipment and circuit board thereof, this electronic equipment are provided with the circuit board, and this circuit board includes plate body, wire, electric capacity pad and fretwork district, and wherein, the wire setting is at plate surface, the electric capacity pad sets up to be connected at plate surface and with the tip electricity of wire, setting vibration effect and then reduction capacitor noise with the snubber circuit board around the electric capacity pad is distinguished to the fretwork. The utility model provides an electronic equipment and circuit board thereof can release because the deformation tension of back voltage effect production reduces the vibration of circuit board owing to set up the fretwork district around the electric capacity pad effectively to reach the mesh of eliminating the capacitor noise.
Description
Technical field
The utility model relates to technical field of circuit design, particularly a kind of electronic equipment and circuit board thereof.
Background technology
Along with the develop rapidly of electronic technology, Consumer's Experience requires more and more higher, and capacitor noise becomes unavoidable problem in mobile phone application.
In order to eliminate capacitor noise, common way uses tantalum electric capacity.But use tantalum electric capacity can cause the significantly lifting of mobile phone Ebom (engineeringballofmaterials, engineering material inventory) cost.
A 22uF ceramic condenser, is only 0.0143USD, but the tantalum electric capacity of identical capacitance encapsulation, but need 0.0846USD.Mobile phone needs the electric capacity of 10 large capacitances nearly, and this is no small expense.
In the electronic device, in order to effectively suppress the disturbance of power circuit, number is used on the power circuit of electronic equipment such as mobile phone in the bulky capacitor of ten.Conventional electric capacity is all using ceramic dielectric as raw material.Due to the inverse piezoelectric effect that ceramic dielectric is intrinsic, namely under ceramic dielectric is in the effect of voltage, deformation can be produced.
As shown in Figure 1, when mobile phone is in GSM call, can produce a frequency is the voltage dithering of 217Hz, due to inverse piezoelectric effect, for the bulky capacitor of filter out power shake, by under the effect of deformation tension force, drive pcb board with 217Hz and multiple-frequency vibration thereof, thus produce capacitor noise.
In addition, a lot of application on mobile phone all can produce capacitor noise, such as, light LCD, NFC (NearFieldCommunication, the short distance wireless communication technology) application and wireless charging etc.As long as power supply has larger shake, ceramic condenser will be made to produce noise.
And the shake of power supply is inevitable, do not realize the elimination of capacitor noise by reducing electric source disturbance.
Utility model content
The utility model provides a kind of electronic equipment and circuit board thereof, to solve in prior art the problem adopting your high tantalum electric capacity to cause cost to raise to reduce capacitor noise.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of circuit board, comprising:
Plate body;
Wire, is arranged on described plate body surface;
Electric capacity pad, is arranged on described plate body surface and is electrically connected with the end of described wire; And
Vacancy section, is arranged on the surrounding of described electric capacity pad to absorb the vibration effect of described circuit board and then to reduce capacitor noise.
According to the utility model one preferred embodiment, described vacancy section is one of whole installation.
According to the utility model one preferred embodiment, described vacancy section is the multiple of discrete setting.
According to the utility model one preferred embodiment, described electric capacity pad is rectangle, and described vacancy section is L-type or Contraband type.
According to the utility model one preferred embodiment, described electric capacity pad is circular or oval, and described vacancy section is arc or semicircle.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: provide a kind of electronic equipment, described electronic equipment is provided with circuit board, and described circuit board comprises:
Plate body;
Wire, is arranged on described plate body surface;
Electric capacity pad, is arranged on described plate body surface and is electrically connected with the end of described wire; And
Vacancy section, is arranged on the surrounding of described electric capacity pad to absorb the vibration effect of described circuit board and then to reduce capacitor noise.
The beneficial effects of the utility model are: the situation being different from prior art, the electronic equipment that the utility model provides and circuit board thereof owing to arranging vacancy section around electric capacity pad, effectively can discharge the deformation tension force because back voltage effect produces, reduce the vibration of circuit board, thus reach the object eliminating capacitor noise.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the rough schematic view of capacitor noise phenomenon;
Fig. 2 is the design diagram of the utility model circuit board; And
Fig. 3 is capacitor noise loudness contour comparison diagram before and after the utility model circuit board Curve guide impeller.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 2, Fig. 2 is the design diagram of the utility model circuit board.
As shown in Figure 2, the utility model provides a kind of circuit board 10, and this circuit board 10 comprises plate body 100, wire 110, electric capacity pad 120 and vacancy section 130.Certainly, in concrete electronic equipment, circuit board 10 is also provided with other multiple electronic devices and components, owing to not relating to inventive point place, does not enumerate herein and repeat.
Wherein, wire 110 is arranged on plate body 100 surface, and plate body 100 can be single sided board or double sided board, and accordingly, wire 110 is arranged on a surface or two surfaces of circuit board 10.
Electric capacity pad 120 is arranged on plate body 100 surface and is electrically connected with the end of wire 110, and in concrete circuit board 10, the shape of electric capacity pad 120 can be rectangle, circle, ellipse and other regular or irregular shapes.
Vacancy section 130 is arranged on electric capacity pad 120 around, for vibration effect and then the reduction capacitor noise of absorbing circuit plate 10.
In a particular embodiment, vacancy section 130 can be one of whole installation, or discrete setting is multiple.
In the embodiment shown in Figure 2, electric capacity pad 120 is rectangle, and vacancy section 130 is Contraband type, comprises the first hollow-out parts 131, second hollow-out parts 132 and the 3rd hollow-out parts 133 of connection.
Certainly, in other embodiments, vacancy section 130 also can be the replacing structure that L-type etc. has identity function.
Equally, in other embodiments, electric capacity pad 120 also can be circle or ellipse, and accordingly, vacancy section 130 is arc or semicircle.
Refer to Fig. 3, Fig. 3 is capacitor noise loudness contour comparison diagram before and after the utility model circuit board Curve guide impeller.
Wherein, superposed curve is the capacitor noise loudness contour of conventional capacitive pad design, and the curve being positioned at bottom is capacitor noise loudness contour after Curve guide impeller.
Obviously, after electric capacity pad 120 surrounding hollow out, effectively capacitor noise can be reduced.
In circuit board (PCB) layout designs process, because needs punch between each flaggy, can have a certain impact to PCB cabling.The bulky capacitor producing noise can be placed on pcb board edge, or the position that cabling is sparse, reduce the impact on flaggy inside cabling.The size of vacancy section 130, depend on PCB layout device number and pcb board producer manufacture craft, producing the electric capacity of noises several puts together and carries out hollow out process, can improve the utilance of pcb board.If had ready conditions, the hollow out design of electric capacity pad 120 can be carried out in conjunction with position, the hole such as location hole, screw hole.
In addition, the utility model also provides a kind of electronic equipment, and this electronic equipment is provided with above-mentioned circuit board 10, and this electronic equipment can be the portable electric appts such as mobile phone, notebook.
In sum, those skilled in the art hold understanding, the electronic equipment that the utility model provides and circuit board 10 thereof owing to arranging vacancy section 130 around electric capacity pad 120, effectively can discharge the deformation tension force because back voltage effect produces, reduce the vibration of circuit board 10, thus reach the object eliminating capacitor noise.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. for a circuit board for electronic equipment, it is characterized in that, comprising:
Plate body;
Wire, is arranged on described plate body surface;
Electric capacity pad, is arranged on described plate body surface and is electrically connected with the end of described wire; And
Vacancy section, is arranged on the surrounding of described electric capacity pad to absorb the vibration effect of described circuit board and then to reduce capacitor noise.
2. circuit board according to claim 1, is characterized in that, described vacancy section is one of whole installation.
3. circuit board according to claim 1, is characterized in that, described vacancy section is the multiple of discrete setting.
4. circuit board according to claim 1, is characterized in that, described electric capacity pad is rectangle, and described vacancy section is L-type or Contraband type.
5. circuit board according to claim 1, is characterized in that, described electric capacity pad is circular or oval, and described vacancy section is arc or semicircle.
6. an electronic equipment, is characterized in that, described electronic equipment is provided with circuit board, and described circuit board comprises:
Plate body;
Wire, is arranged on described plate body surface;
Electric capacity pad, is arranged on described plate body surface and is electrically connected with the end of described wire; And
Vacancy section, is arranged on the surrounding of described electric capacity pad to absorb the vibration effect of described circuit board and then to reduce capacitor noise.
7. electronic equipment according to claim 6, is characterized in that, described vacancy section is one of whole installation.
8. electronic equipment according to claim 6, is characterized in that, described vacancy section is the multiple of discrete setting.
9. electronic equipment according to claim 6, is characterized in that, described electric capacity pad is rectangle, and described vacancy section is L-type or Contraband type.
10. electronic equipment according to claim 6, is characterized in that, described electric capacity pad is circular or oval, and described vacancy section is arc or semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623403.1U CN205005336U (en) | 2015-08-18 | 2015-08-18 | Electronic equipment and circuit board thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623403.1U CN205005336U (en) | 2015-08-18 | 2015-08-18 | Electronic equipment and circuit board thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205005336U true CN205005336U (en) | 2016-01-27 |
Family
ID=55162202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520623403.1U Expired - Fee Related CN205005336U (en) | 2015-08-18 | 2015-08-18 | Electronic equipment and circuit board thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205005336U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112469196A (en) * | 2019-09-06 | 2021-03-09 | 中兴通讯股份有限公司 | Mainboard, noise reduction method and terminal |
| CN113556868A (en) * | 2021-09-18 | 2021-10-26 | 惠科股份有限公司 | Pad structure, circuit board and display device |
-
2015
- 2015-08-18 CN CN201520623403.1U patent/CN205005336U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112469196A (en) * | 2019-09-06 | 2021-03-09 | 中兴通讯股份有限公司 | Mainboard, noise reduction method and terminal |
| CN113556868A (en) * | 2021-09-18 | 2021-10-26 | 惠科股份有限公司 | Pad structure, circuit board and display device |
| CN113556868B (en) * | 2021-09-18 | 2022-01-14 | 惠科股份有限公司 | Pad structure, circuit board and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20160818 |