CN1797598A - Structur for installing ferrite core of electronic products - Google Patents
Structur for installing ferrite core of electronic products Download PDFInfo
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- CN1797598A CN1797598A CN 200410099325 CN200410099325A CN1797598A CN 1797598 A CN1797598 A CN 1797598A CN 200410099325 CN200410099325 CN 200410099325 CN 200410099325 A CN200410099325 A CN 200410099325A CN 1797598 A CN1797598 A CN 1797598A
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Abstract
The invention relates to a ferrite magnetic core installation structure for an electronic product, comprising: an appearance device formed with an internal space able to hold various auxiliaries and composing the device appearance; power supply lines running through the appearance device for supplying power to the electronic product through the auxiliaries and connecting the auxiliaries with the external power supply, and provided with an electromagnetic wave screening ferrite magnetic core in the part running through the appearance device and connecting with the exterior of the appearance device; a magnetic core mounting device arranged on one side of the appearance device for reducing conductive noises caused by the auxiliaries and separating the ferrite magnetic core from the auxiliaries. The invention can minimize the conductive noises transmitted from the radiator and other parts to the ferrite magnetic core and prevent the noises from being transmitted through the power supply lines to the external.
Description
(1) technical field
The invention relates to electronic product, especially about the ferrite magnetic core mounting structure of a kind of electronic product that FERRITE CORE is set in electronic product inside.
(2) background technology
Fig. 1 is the brief strabismus map that expression is carried out the part cutting to the inside formation of the electronic product of foundation conventional art.Be that example has carried out indicating explanation in the accompanying drawings with the Disc player.
As shown in the figure, casing 1 has constituted the following of player and two side face appearance.Be provided with front panel 2 in the front of said machine casing 1, above-mentioned front panel 2 is provided with parts such as various buttons and display device.Be provided with back panels 3 at the back side of said machine casing 1, above-mentioned back panels 3 is provided with the various splicing ear 3a that can be connected with other electronic product.The inner space of said machine casing 1 forms an opening at an upper portion thereof, and it shields by top cover 4.Therefore, for convenience of player being protected and being keeped in repair, just above-mentioned top cover 4 is separated setting, thereby its inside can be opened.
One side is provided with mechanical hook-up 5 in the inside of above-mentioned player.Above-mentioned mechanical hook-up 5 can be carried out multiple function, and for example: it can be carried out CD is loaded and unloads, and the function that CD is rotated.The close position at the back side of above-mentioned mechanical hook-up 5 one side direction and above-mentioned front panel 2 carries out near being provided with.Why be provided with like this, exactly in order CD to be come in and gone out by above-mentioned front panel 2 by mechanical hook-up 5.
Be provided with the mainboard 6 mutually close with above-mentioned back panels 3 in the inside of said machine casing 1.Above-mentioned mainboard 6 is mutually close with above-mentioned back panels 3.This is because above-mentioned back panels 3 is provided with a plurality of splicing ear 3a.That is to say, realize that with the annex on the mainboard 6 energising is connected with being arranged on above-mentioned splicing ear 3a easily in order to make above-mentioned mainboard 6, and above-mentioned mainboard 6 has been arranged near on the position of above-mentioned back panels 3.In addition, be provided with heating radiator 6a to the outside diffusion in a side of above-mentioned mainboard 6 for the heat that will produce by each element.
On the other hand, in that above-mentioned mechanical hook-up 5 and mainboard 6 are provided with remaining space afterwards, promptly be that benchmark is provided with power supplier 7 at the right side of casing 1 front end with the drawing.The effect of above-mentioned power supplier 7 will be transmitted to above-mentioned mechanical hook-up 5 and mainboard 6 by the power supply that the external device (ED) of player is carried exactly.
In order to pass through power supplier 7 supply powers,, power lead 7a is provided with and being connected above-mentioned back panels 3.The end of said power 7a is connected with above-mentioned power supplier 7.The other end then connects the pass-through facility 3b that forms and extends to the outside of player on above-mentioned back panels 3.Front end at the power lead 7a that extends to the outside of above-mentioned player is provided with plug 7b.In addition, be provided with FERRITE CORE 7c at the medial end portions branch of power lead 7a, thus can prevent electromagnetic wave along said power 7a to the diffusion of the outside of player.The 7d of label symbol shown in the drawing is a restraining device, and its effect is exactly that 7a was without prejudice with being connected of power supplier 7 with the protection power lead when power lead 7a is subjected to acting force from the outside.
But as mentioned above, there is following problem in the ferrite magnetic core mounting structure that has the electronic product of above-mentioned formation according to conventional art.
Above-mentioned FERRITE CORE 7c is installed in the middle-end position of power lead 7a, and it is positioned at the inside of casing 1.But under the influence of the gravity of above-mentioned FERRITE CORE 7c own, above-mentioned FERRITE CORE 7c will contact with parts such as the heating radiator 6a of mainboard 6 or splicing ear 3a.Therefore, also can reach 46dB from parts such as the heating radiator 6a of mainboard 6 or splicing ear 3a to the noise minimum that FERRITE CORE 7c transmits.Like this, will surpass the limit standard of noise, this is its existing problem.
(3) summary of the invention
The present invention proposes for addressing the above problem.The object of the present invention is to provide a kind of ferrite magnetic core mounting structure of electronic product, so that minimize to the conduction noise arrival of ferrite core transmission.
To achieve these goals, the ferrite magnetic core mounting structure of electronic product of the present invention is made of following components: form the inner space that various annexes can be set in inside, simultaneously the outward appearance device of constitution equipment outward appearance; Power lead, be used for connecting described outward appearance device by the annex supply power in electronic product that is arranged in the described inner space, and the annex that will be arranged on outward appearance device inside is connected with the power supply of outward appearance device outside, and described power lead is connecting described outward appearance device and is being provided with the FERRITE CORE that electromagnetic wave is shielded with the outside part that is connected of outward appearance device; The magnetic core placing device, be arranged on a side of described outward appearance device, be the conduction noise that reduces to produce, and described FERRITE CORE and the annex that is arranged on the described inner space are separated by the annex that is arranged on described FERRITE CORE and the inner space.
Above-mentioned outward appearance device is made of following components: be provided with side plate at two ends and constitute the casing of inner empty portion; Be arranged on the front of said machine casing and constitute the front panel of front outward appearance; Be arranged on the back of said machine casing and constitute the back panels of back panel; The top cover that is arranged on the top of said machine casing and above-mentioned inner space is shielded selectively.Mechanical hook-up in above-mentioned inner space has at least a side and front panel to join, and at least one side and the back panels of mainboard are joined.With above-mentioned mainboard Comparatively speaking, power supplier relatively is arranged on front panel one side.
Above-mentioned magnetic core placing device is arranged on the upper end position of above-mentioned back panels inboard.Then, more above-mentioned FERRITE CORE is installed on the above-mentioned magnetic core placing device.Like this, it just can with above-mentioned inner space conductively-closed together.
Above-mentioned magnetic core placing device is arranged on the side plate of said machine casing.Then, more above-mentioned FERRITE CORE is installed on the above-mentioned magnetic core placing device.This, it just can with above-mentioned inner space conductively-closed together.
Effect of the present invention:
As mentioned above, separate setting with FERRITE CORE to greatest extent according to the ferrite magnetic core mounting structure of the electronic product of the present invention parts such as heating radiator of electronic product of noise such as will generate electromagnetic waves.Therefore, just can minimize, thereby can prevent that above-mentioned noise from transmitting to the outside along power lead reaching to the conduction noise of FERRITE CORE transmission from parts such as heating radiators.Therefore, it has good effect.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
To be expression constitute the brief strabismus map that carries out after the part cutting to the inside of the electronic product of foundation conventional art to Fig. 1.
To be expression carry out brief strabismus map after the part cutting to the embodiment according to the ferrite magnetic core mounting structure of electronic product of the present invention to Fig. 2.
Fig. 3 is the summary sectional view of expression according to the partial structurtes of the embodiment of the invention.
The symbol description of major part in the accompanying drawing:
10: casing 11: inner space
13: side plate 15: the front panel
17: back panels 17a: the magnetic core placing device
19: top cover 20: mechanical hook-up
30: mainboard 31: splicing ear
33: heating radiator 40: power supplier
41: power lead 43: plug
45: FERRITE CORE 47: restraining device
(5) embodiment
Below, with reference to the accompanying drawings the embodiment according to the ferrite magnetic core mounting structure of electronic product of the present invention is described in detail.
Fig. 2 is expression to carry out the brief strabismus map after the part cutting according to the desirable embodiment of the ferrite magnetic core mounting structure of electronic product of the present invention.Fig. 3 is the summary sectional view of expression according to the partial structurtes of the embodiment of the invention.Above-mentioned in the accompanying drawings electronic product is that example indicates explanation with the Disc player.
As shown in the figure, form the inner space 11 of the various annexes of a formation player in the inside of casing 10.Two end side panels 13 in said machine casing 10 is provided with the height of regulation respectively.Above-mentioned side plate 13 can constitute an integral body with casing 10, also can install separately in addition.
Be provided with the front panel 15 of the front outward appearance that constitutes player at the front end of said machine casing 10.Above-mentioned front panel 15 is provided with the parts that are used for button that player is operated and so on, and the display device of the device running status that displays the play.
Be provided with the back panels 17 of the back appearance that constitutes player in the rear end of said machine casing 10.Above-mentioned back panels 17 is provided with and is mainly used in the parts that are connected with other device.For example: the splicing ear 31 that will describe below above-mentioned back panels 17 is provided with.
In addition, also be provided with magnetic core placing device 17a on the panel 17 overleaf.The effect of above-mentioned magnetic core placing device 17a is exactly to make above-mentioned FERRITE CORE 45 be positioned at the upper end of the inboard of above-mentioned back panels 17, thereby the FERRITE CORE 45 that will describe below can making is separated with the annex that is arranged on the above-mentioned inner space 11.For this reason, just above-mentioned magnetic core placing device 17a is designed to " L " shape, and its end is arranged on the above-mentioned back panels 17.Here, for above-mentioned magnetic core placing device 17a, it not only can engage with above-mentioned back panels 17 by welding, and can engage with above-mentioned back panels 17 by using method such as latch, screw, a nail.In addition, it is to be defined on the above-mentioned back panels 17 that above-mentioned magnetic core placing device 17a installation site has more than, and also can be installed on the side plate 13 too, so also is fully feasible.
The top of the inner space 11 that constitutes according to said machine casing 10 shields by top cover 19.
Above-mentioned top cover 19 constitutes the top outward appearance of player.
The side plate 13 at said machine casing 10, casing 10 two ends, back panels 17, back panels 17 and top cover 19 constitute the outward appearance device of player.
On the other hand, in above-mentioned inner space 11, promptly on said machine casing 10, be provided with mechanical hook-up 20.Above-mentioned mechanical hook-up 20 is that a kind of equipment that can make such as CD that has is rotated, simultaneously can be to CD with signal storage, perhaps will be stored in the device of the various annexes that the signal on the CD reads out.For above-mentioned mechanical hook-up 20, it has at least the back side of a side and above-mentioned front panel 15 adjacent.Why carry out such setting, for convenience make the CD player of coming in and going out exactly, carry out device and unloading and be provided with like this being positioned at CD on the above-mentioned mechanical hook-up 20 easily simultaneously by above-mentioned front panel 15.In the present embodiment, above-mentioned mechanical hook-up 20 has been arranged on the leftward position of above-mentioned inner space 11.
Above-mentioned inner space 11 is provided with mainboard 30.Above-mentioned mainboard 30 is provided with controls necessary various annex and circuit to player.In addition, above-mentioned mainboard 30 is provided with convenient and external device (ED) carries out connection terminals 31.As a reference, for convenience mainboard 30 is connected with external device (ED), the splicing ear 31 of setting on above-mentioned mainboard 30 can be stretched out to the outside by above-mentioned back panels 17.For this reason, a side of above-mentioned mainboard 30 just should be adjacent with above-mentioned back panels 17.
Need to prove that especially the splicing ear 31 that is provided with for convenience of mainboard is connected with external device (ED) almost can be arranged on all positions of above-mentioned back panels 17, so also is fully feasible.In this case, just should make a side of above-mentioned mainboard 30 have certain length with the whole corresponding of above-mentioned back panels 17.According to the Disc player of present embodiment overleaf the right flank of panel 17 be provided with the sound equipment lead-out terminal, here just with it as splicing ear.And be provided with image output terminal (not shown) at its left surface, simultaneously also with it as splicing ear.Therefore, mainboard 30 at least should from the sound equipment lead-out terminal be provided with the position begin to image output terminal the position is set till, with above-mentioned back panels 17 adjacent settings.
In addition, be provided with heating radiator 33 in a side of mainboard 30.This heating radiator 33 can make the heat that is produced by mainboard 30 spread to the outside, thereby overheated phenomenon appears in the annex that prevents to be installed on the mainboard 30.That is to say that it is actually heat that interior product parts the are produced effect to the outside diffusion of bringing into play.
On the other hand, above-mentioned inner space 11 is provided with power supplier 40.The effect of above-mentioned power supplier 40 is exactly to above-mentioned mainboard 30 and mechanical hook-up 20 supply powers.In the foundation embodiments of the invention, be that above-mentioned power supplier 40 has been arranged on the position of right side front end of above-mentioned inner space 11.Why be provided with like this, exactly for above-mentioned mainboard 30 can be contacted with most of position of above-mentioned back panels 17 from the rear end of above-mentioned inner space 11.
Then, will extend to the power lead 41 above-mentioned back panels 17 of perforation of device internal feed and to the inner space 11 of player by the power supply of above-mentioned power supplier 40 outside.Be provided with and external power source is conducted electricity the plug 43 that is connected to the capacitor (not shown) of device internal feed at the front end of said power 41.Convenience when using for the user, the length of the power lead 41 that extends to the outside of above-mentioned player should relatively be provided with longerly, and effect will be more satisfactory like this.
Middle-end position in said power 41 is provided with FERRITE CORE 45.The effect of above-mentioned FERRITE CORE 45 is filtered the noise such as electromagnetic wave exactly.Thereby can prevent that electromagnetic wave from transmitting to the outside along said power 41.Therefore, in fact it is exactly a wave filter.For this reason, above-mentioned FERRITE CORE 45 should be arranged on the adjacent position of above-mentioned back panels 17 on, effect is set like this will be more satisfactory.
The position of said power 41 or the above-mentioned back panels 17 of perforation is provided with restraining device 47.The effect of above-mentioned restraining device 47 is exactly when the power lead 41 that extends to the outside of above-mentioned player is subjected to suddenly being pullled from applied external force, prevents that said power 41 from too being pullled, thereby prevents that said power 41 from being shaken off from device.Like this, just can prevent that said power 41 is damaged with the part that above-mentioned power supplier 40 is connected.
Below, will the effect of mounting structure of FERRITE CORE that foundation the present invention has an electronic product of said structure be described in detail.
When the plug 43 that will on the power lead 41 that connects back panels 17 and rearward prolong, be provided with and capacitor conduct electricity be connected after, it just begins the internal feed power supply to player.At this moment, the electric current and the voltage of the AC power that power supplier 40 will be supplied with by power lead 41 are regulated, so that it becomes the operable power supply of interior arrangement of player.At this moment, if the power knob that will be arranged on the display device of front panel 15 is set to the ON state, will supply with necessary power supply to the annex that is arranged on player inside.
When player was in the operation holding state, power supplier 40 was to the basic power supply of the internal feed of player.Like this, just the front end of CD by above-mentioned mechanical hook-up 20 can be inserted.Why can carry out this insertion operation, be exactly because the pallet (not shown) of mechanical hook-up 20 can be provided with CD placed side (not shown) simultaneously to the inside and outside discrepancy of device in the upper end of player.
Like this, when with CD after load the inside of player, just can carry out the storage of signal and play operation.Carrying out this operation is to realize by the electric power loop on the mainboard 30.For playing video and voice signal from CD, just need by splicing ear 31, promptly, play by loudspeaker and image player then respectively by sound splicing ear and image splicing ear output sound signal and signal of video signal from the above-mentioned CD.
By broadcast being carried out after such operation, each annex of player will produce heat.Particularly, carry out a large amount of heat of mainboard 30 meeting generations of player being controlled and carrying out multiple functions such as computing.These heats can cause very bad influence to each parts of mainboard 30.Therefore, be provided with heating radiator 33 in a side of mainboard 30, thereby just above-mentioned heat can have been spread out to the outside.
But the splicing ear 31 that is provided with on the right side of this heating radiator 33 and back panels 17 can transmit noises such as electromagnetic wave to power lead 41 and FERRITE CORE 45.This is because said power 41 and FERRITE CORE 45 are very close with heating radiator 43 and splicing ear 31.Like this, can prevent to transmit to the outside by FERRITE CORE 45 to power lead 41 noise transmitted.But directly the conduction noise that transmits to FERRITE CORE 45 will transmit to the outside, surpasses the situation that limits specification thereby the conduction noise can occur.
For the generation that makes this conduction noise is reduced to Min., in the foundation embodiments of the invention, in the inner space 11 of player, parts such as heating radiator on the mainboard 30 33 and splicing ear 31 are separated setting with FERRITE CORE 45 as far as possible.For this reason, panel 17 is provided with magnetic core placing device 17a overleaf in the present invention, and is provided with FERRITE CORE 45 at the middle-end position of power lead 41.Like this, just above-mentioned FERRITE CORE 45 can be separated about 3～4CM with heating radiator 33 is provided with.Just can reduce noise about about 10dB by such setting.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (4)
1, a kind of ferrite magnetic core mounting structure of electronic product is characterized in that having by following components and constitutes:
Form the inner space that various annexes can be set in inside, constitute the outward appearance device of electronic product outward appearance simultaneously;
Power lead, be used for connecting described outward appearance device by the annex supply power in electronic product that is arranged in the described inner space, and the annex that will be arranged on outward appearance device inside is connected with the power supply of outward appearance device outside, and described power lead is connecting described outward appearance device and is being provided with the FERRITE CORE that electromagnetic wave is shielded with the outside part that is connected of outward appearance device;
The magnetic core placing device, be arranged on a side of described outward appearance device, be the conduction noise that reduces to produce, and described FERRITE CORE and the annex that is arranged on the described inner space are separated by the annex that is arranged on described FERRITE CORE and the inner space.
2, the ferrite magnetic core mounting structure of electronic product as claimed in claim 1 is characterized in that described outward appearance device is made of following components:
Be provided with side plate at two ends and constitute the casing of inner empty portion;
Be arranged on the front of described casing and constitute the front panel of front outward appearance;
Be arranged on the back of described casing and constitute the back panels of back panel;
The top cover that is arranged on the top of described casing and described inner space is shielded selectively.
3, the ferrite magnetic core mounting structure of electronic product as claimed in claim 2 is characterized in that:
Described magnetic core placing device is arranged on the inner top side position of described back panels, and described FERRITE CORE is arranged on the described magnetic core placing device, like this, it just can with above-mentioned inner space conductively-closed together.
4, the ferrite magnetic core mounting structure of electronic product as claimed in claim 2 is characterized in that:
Described magnetic core placing device is arranged on the side plate of described casing, and described FERRITE CORE is arranged on the described magnetic core placing device, like this, it just can with above-mentioned inner space conductively-closed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410099325 CN1797598A (en) | 2004-12-30 | 2004-12-30 | Structur for installing ferrite core of electronic products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410099325 CN1797598A (en) | 2004-12-30 | 2004-12-30 | Structur for installing ferrite core of electronic products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1797598A true CN1797598A (en) | 2006-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410099325 Pending CN1797598A (en) | 2004-12-30 | 2004-12-30 | Structur for installing ferrite core of electronic products |
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| Country | Link |
|---|---|
| CN (1) | CN1797598A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106134054A (en) * | 2014-09-11 | 2016-11-16 | 北川工业株式会社 | Output noise reduces device |
-
2004
- 2004-12-30 CN CN 200410099325 patent/CN1797598A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106134054A (en) * | 2014-09-11 | 2016-11-16 | 北川工业株式会社 | Output noise reduces device |
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