CN2877081Y

CN2877081Y - Power controller

Info

Publication number: CN2877081Y
Application number: CNU2006200683220U
Authority: CN
Inventors: 姜靖
Original assignee: MINGJI TELECOM INFORMATION TECHNOLOGY Co Ltd
Current assignee: MINGJI TELECOM INFORMATION TECHNOLOGY Co Ltd
Priority date: 2006-01-06
Filing date: 2006-01-06
Publication date: 2007-03-07
Anticipated expiration: 2016-01-06

Abstract

A power supply controlling device is arranged on a device body provided with a power supply switch and includes an electric interface of a first electroconductor and a second electroconductor capable of moving relative to the first electroconductor; and a power supply controller capable of controlling the power supply switch by the relative movement of the two electroconductors. With the utility model, hot plug of testing tool can be avoided.

Description

Power control

Technical field

The utility model relates to a kind of power supply control structure, in more detail, is the power supply switch controller of relevant testing tool.

Background technology

Generally speaking, producer can carry out the CD-ROM drive of producing all or sample testing, to guarantee the CD-ROM drive quality.At present, manufacturer is in order to the testing tool of test semi-long type CD-ROM drive, structure as shown in Figure 1, it comprises in order to the switch 12 of the electrical interface 10 that electrically connects CD-ROM drive to be measured (calling board in the following text), control on/off and the keeper 14 of fixing CD-ROM drive to be measured.

Before the test, at first place board in this testing tool, and fixing by keeper 14; Promoting power interface 10 again makes it electrically be connected to this board; Open switch 12 then, with the conducting power-on circuit.Test finishes, and at first stopcock 12, to cut off power supply; Separate power supplies interface 10 and board again; At last board is moved away from keeper 14.

Owing to except lead, do not have other connection or interaction relation between above-mentioned power interface 10 and the switch 12, that is: being connected/separating of the unlatching/shutoff of switch 12 and power interface 10 and board is two operations that needs are independently carried out.This opens earlier switch 12 before with regard to easy test generation, connects electrical interface 10 and board again, or the test back is separated electrical interface 10 and board, the hot plug of stopcock 12 again (Hot Plug) operation earlier.

And the overvoltage that hot plug produced tends to damage, damages little process chip of board and OPU parts such as (OpticalPickup Unit, laser read heads), causes unnecessary economic loss to producer.

So, how a kind of power control is provided, to prevent utilizing its testing tool to produce hot plug operations and then avoid unnecessary economic loss, real is industry one problem demanding prompt solution.

The utility model content

In view of this, main purpose of the present utility model is to provide a kind of power control, use preventing the generation of hot plug operations in the test process for testing tool, and the economic loss of avoiding hot plug operations by this and being brought.

For taking off on reaching and other purpose, power control that the utility model provides system is arranged at a device body with mains switch, this power control comprises electrical interface and power-supply controller of electric, wherein, this electrical interface comprises first electric conductor and second electric conductor that can move with respect to this first electric conductor again, this power-supply controller of electric is connected in this mains switch, and relatively moves at this first electric conductor and this second electric conductor and to control this mains switch when forming critical condition and change its operating state.

Described power control can be applicable to testing tool, and connects object to be measured through this first electric conductor; Described critical condition means this this object to be measured of first electric conductor contact, and relative first electric conductor of this second electric conductor continues to run until the state when reaching a precalculated position.

Described power-supply controller of electric can be following structure, and it comprises the linkage with first lever arm and second lever arm, and triggers part with the power supply of this linkage start.This linkage control electrical interface moves, and relatively moves when forming critical condition at this first electric conductor and second electric conductor, thereby makes its conducting by this triggering part triggering mains switch.

And, by relatively moving of this first electric conductor and this second electric conductor, can when control this triggering part and turn-off this mains switch, this first lever arm also make this second electric conductor leave this precalculated position earlier, and then drive this first electric conductor and object separation to be measured.

Thus, only need act on this first lever arm, can control opening of this mains switch and separating of the shutoff that is connected and controls this mains switch of this electrical interface and board and this electrical interface and board simultaneously, thereby effectively prevent the generation of hot plug.

Described power-supply controller of electric also can be an infrared induction controller, uses the power control of this infrared induction controller, makes first electric conductor of this electrical interface be electrically connected to this object to be measured earlier; Then, utilize relatively moving of this second electric conductor and first electric conductor, make this second electric conductor move to this precalculated position; When this induction controller is sensed second electric conductor and is positioned at this precalculated position, promptly change the operating state of this mains switch, make it become conducting, by this, prevented that effectively first power-on switch from connecting the misoperation generation of electrical interface and object to be measured again by shutoff; Correspondingly, utilize relatively moving of this second electric conductor and this first electric conductor, when making this second electric conductor leave this precalculated position, this induction controller is controlled this mains switch and is turn-offed, first electric conductor again with this object separation to be measured, so promptly avoided first separation object to be measured and electrical interface, the cut off the electricity supply misoperation of switch takes place again.

Description of drawings

Fig. 1 is the structural representation of existing testing tool;

Fig. 2 is an end view of using the testing tool structure of the described power control of first embodiment;

Fig. 3 is the cutaway view of electrical interface 32;

Fig. 4 is an end view of using the testing tool structure of the described power control of second embodiment;

Fig. 5 is a structural representation of using the testing tool of the described power control of the 3rd embodiment.

Embodiment

What close first Chen Ming is, in following examples, this power control is the testing tool that is applied to test the semi-long type CD-ROM drive, and this device body is the body of this testing tool, but non-as limit.

First embodiment

Fig. 2 is the end view of the testing tool of application power control described in the utility model.Note that this figure is the simple signal testing tool structure relevant with present embodiment only, but not the detailed signal of this testing tool structure.As shown in the figure, testing tool comprises in order to fixing CD-ROM drive to be measured (not shown, call board in the following text) keeper 30, conducting wire (not shown), the electrical interface 32 that connects board, mains switch 34, the power-supply controller of electric 4 of control mains switch 34 switchings, and device body 38.Electrical interface 32, mains switch 34 all are arranged at device body 38, and are connected to this conducting wire.

Fig. 3 is the cutaway view of electrical interface 32.As shown in the figure, electrical interface 32 comprises first electric conductor 323, second electric conductor 325 and elastic component 327.As shown in the figure, first electric conductor 323 is to be socketed in second electric conductor 325, and forms accommodation space 3250 in second electric conductor 325, to put elastic component 327; Wherein, second electric conductor 325 and first electric conductor 323 are pivot bush unit, so that second electric conductor 325 and first electric conductor 323 can relatively move.In the present embodiment, this elastic component 327 can be a spring, also can be other flexible member, and preferably, elastic component 327 1 ends touch first electric conductor 323, and the other end then is resisted against inside portion, second electric conductor, 325 bottom.In practical application, this electrical interface 32 also can comprise the 3rd electric conductor that the phase mutual connection puts, the 4th electric conductor etc., only needs it can reach above-mentioned functions and gets final product.

The described testing tool of present embodiment is in order to test semi-long type CD-ROM drive, and the power supply of testing tool is a safe voltage, so first electric conductor 323 and second electric conductor 325 can directly be made by conductive material (such as metal material) in the present embodiment; So, in the practical application, but outside first electric conductor 323 and second electric conductor 325 the coated insulation material; Perhaps first electric conductor 323 and second electric conductor 325 are the insulation material, but its inwall or other place lay lead with reach the conduction effect get final product.

Other it should be noted that, first electric conductor 323 in order to the contact site 3230 of electrical contact board preferable can be an end face, thus, make board touch the electric connection that contact site 3230 just can be reached board and electrical interface 32, and make testing tool and board behind the EOT electrical to separate transfiguration easy.

Be back to Fig. 2, power-supply controller of electric 4 comprises that power supply triggers a part 40 and a pressure bar linkage structure 20, and this bar linkage structure comprises first lever arm 200 and hinged second lever arm 201 on it, and one of second lever arm 201 end is hinged to electrical interface 32, in the present embodiment, this triggers part 40 is cam.

As shown in Figure 2, to pressure bar linkage structure 20 application of forces, first lever arm 200 rotates, drive triggering part 40 (that is cam) and carry out circular motion along direction 60, simultaneously, first lever arm 200 drives second lever arm 201 is moved, and promotes electrical interface 32 whereby and moves along indicating direction 50.

Please consult Fig. 2 and Fig. 3 simultaneously, before electrical interface 32 did not contact board, elastic component 327 was nature; Move when second lever arm 201 promotes electrical interface 32, when making the contact site 3230 of first electric conductor 323 touch board, second electric conductor 325 just moves to position a; Afterwards, first electric conductor 323 stops to move because of being hampered by board, but second electric conductor 325 under the effect of second lever arm 201 continues to move along indicating directions 50, and makes the elastic component 327 generation deformation that is squeezed; Elastic component 327 after the deformation acts on first electric conductor 323, makes its contact site 3230 contact board fully, with the stability after the lifting conducting wire conducting; At last, second electric conductor 325 moves to precalculated position b, just second electric conductor 325 and first electric conductor 323 relatively move when forming critical condition, the triggering part 40 that driven by first lever arm 200, the long protuberance of its diameter touches mains switch 34 just makes it open-minded, and conducting utilizes the conducting wire of the testing tool of described power control.

As above, promoting first lever arm 200 moves to drive the movable part triggering part 40 and second lever arm 201, can reach and connect earlier electrical interface 32 and board, open the purpose of mains switch 34 again, effectively avoid causing the generation of hot plug situation because of the separate operating personnel's of the causing misoperation of a plurality of operating procedures.

Test finishes, and pressure linkage 20 application of forces are made first lever arm, 200 returns, and it drives this cam reverse movement of 60 along the circumferential direction, even this protuberance leaves mains switch, thereby mains switch 34 is turn-offed; Simultaneously, first lever arm 200 also drives second lever arm 201 and moves; Along with moving of first lever arm 200, second lever arm 201, second electric conductor 325 leaves precalculated position b, shifts to position a, and after moving to position a, makes elastic component 327 reply nature; Continue to promote first lever arm 200, separate with board until first electric conductor 323.So, see through this power control, only need linkage 20 application of forces just can first power cutoff switch 34, separate electrical interface 32 and board again, need not a plurality of independently operating procedures, effectively avoided hot plug, reach the fool proof effect.

Second embodiment

The structure of the present embodiment and first embodiment is basic identical, and difference only is to trigger the structure of part, below describes in detail.Identical, mutually nearby for other structure, operation no longer given unnecessary details for literary composition.

Fig. 4 is an end view of using the testing tool of the described power control of present embodiment.As shown in the figure, in the present embodiment, triggering part 42 is a projection, is arranged on the wherein arm of linkage 20.In the present embodiment, trigger part 42 and be arranged at first lever arm 200, but in the practical application, trigger part 42 and also can be arranged at second lever arm 201, and triggering part 42 also can be structures such as spheroid, cone.

Please in conjunction with Fig. 3 and Fig. 4, see through 200 effects of first lever arm, when making electrical interface 32 move to critical condition (that is: first electric conductor 323 has been electrically connected to board and second electric conductor runs to precalculated position b), the triggering part 202 that is arranged on first lever arm 200 touches mains switch 34, makes it open-minded; When test finishes, make first lever arm, 200 returns, and then drive to trigger part 202 and leave mains switch 34, make its shutoff, afterwards, see through the continuation travelling backwards of this first lever arm 200, allow first electric conductor 323 of electrical interface 32 fully electrically separate with board.

The 3rd embodiment

Present embodiment is that with the different of first embodiment structure of power-supply controller of electric is different, first embodiment triggers the break-make of element control mains switch 34 by the power supply of a mechanical structure, and present embodiment is to see through infrared induction controller 36 inductions second electric conductor 325 to move to, leave the break-make that mains switch 34 is controlled in a precalculated position, present embodiment below only is described in detail in detail is different from the first embodiment place, identical or close place repeats no more.

Fig. 5 is the structural representation of the testing tool of application power control described in the utility model.Please consult Fig. 3 and Fig. 5 simultaneously, place board in testing tool and fixing through keeper 30; Electrical interface 32 is moved along the sensing that indicates direction 50, in the present embodiment, be to promote electrical interface 32 through a pressure linkage (not shown) to move, but in the practical application, be not limited thereto; Before electrical interface 32 did not contact board, elastic component 327 was nature; When the contact site 3230 of first electric conductor 323 of electrical interface 32 touched board, second electric conductor 325 moved to position a; Afterwards, first electric conductor 323 is because of being hampered by the board stop motion, promotes second electric conductor 325 and continues to move along indicating directions 50, makes the elastic component 327 generation deformation that is squeezed; After the deformation 327 acts on first electric conductor 323, contacts board fully in order to contact site 3230, the stability after the lifting conducting wire conducting; When second electric conductor 325 moves to precalculated position b, just second electric conductor 325 and first electric conductor 323 relatively moves when reaching critical condition, induction controller 36 is sensed second electric conductor 325 and is arrived precalculated position b, promptly transmit control signal to mains switch 34, make it open-minded, with the conducting wire of continuity test instrument.

As above-mentioned, the mobile contact site 3230 of first electric conductor 323 that makes of electrical interface 32 touches board earlier, utilize relatively moving of this second electric conductor 325 and first electric conductor 323, when making this second electric conductor 325 continue to move to precalculated position b, this induction controller 36 is promptly opened mains switch 34.As seen,, just can connect first electric conductor 323 and board earlier, open mains switch 34 again, effectively avoid the situation of the separate so that operating personnel's misoperation generation hot plug of a plurality of operating procedures in the prior art by only promoting electrical interface 32.

Then finish when testing, control electrical interface 32 returns just move along the opposite direction that indicates direction 50, and second electric conductor 325 moves apart precalculated position b earlier.36 inductions of inductor controller are controlled mains switch 34 then and are turn-offed less than second electric conductor 325, cut off the power supply supply of the conducting wire of testing tool thus; Along with the continuation of second electric conductor 325 is moved, extruded elastic component 327 is replied gradually, and the active force that puts on first electric conductor 323 also dies down thereupon; Second electric conductor 325 is retracted position a, and 327 of elastic components return back to nature, and at this moment, first electric conductor 323 still contacts board; Then, continue control electrical interface 32 and move, thoroughly separate with board up to first electric conductor 323.As seen, only need the single operation of control electrical interface 32 returns, just can reach first power cutoff switch 34 easily, separate the purpose of first electric conductor 323 and board again.

To sum up, utilize the relatively moving property of second electric conductor 325 and first electric conductor 323, after the contact site 3230 of first electric conductor 323 touches board, continue to promote electrical interface 32, second electric conductor 325 is moved to the direction near board, and when it arrives precalculated position b, open-minded by induction controller 36 control mains switches 34; And test makes second electric conductor 325 leave precalculated position b after finishing, and contact site 3230 is turn-offed by infrared controller 34 control mains switches 34 when still touching this board.This shows, see through the testing tool that is equiped with the described power control of present embodiment, can prevent to open mains switch 34 earlier before the test, connect first electric conductor 323 and the board again, and the generation of charged separation first electric conductor 323 and board situation behind the EOT, effectively avoided hot plug.

See through power control described in the utility model, only electrical interface moves or the single operation of return through controlling, just can reduce the operating procedure of the testing tool that uses this power control, simplify workflow, can avoid again obscuring the sequencing of operation because of a plurality of operating procedures cause the operator, cause producing the generation of hot plug operations, also can avoid the unnecessary economic loss of bringing thus.

The above is not in order to limit the utility model scope, be i.e. still can make other changes in the actual enforcement of the utility model only for realizing the better embodiment of power control of the present utility model.So,, still contained by claim of the present utility model not breaking away from all equivalent modifications of finishing under the technological thought that the utility model discloses.

Claims

1, a kind of power control, be arranged on the body with mains switch, it is characterized in that, this power control comprises electrical interface and power-supply controller of electric, second electric conductor that described electrical interface has first electric conductor and can move with respect to this first electric conductor, described power-supply controller of electric is connected to this mains switch, and controls described mains switch change operating state when this second electric conductor moves the formation critical condition with respect to this first electric conductor.

2, power control as claimed in claim 1 is characterized in that, this first electric conductor and the mutual socket of this second electric conductor.

3, power control as claimed in claim 2 is characterized in that, is provided with elastomer between this first electric conductor and this second electric conductor.

4, power control as claimed in claim 1 is characterized in that, this critical condition means this this object to be measured of first electric conductor contact, and relative first electric conductor of this second electric conductor continues to run until the state when reaching a precalculated position.

5, control device as claimed in claim 1 is characterized in that, this power-supply controller of electric is controlled the transformation of this mains switch operating state when this critical condition changes.

6, power control as claimed in claim 1 is characterized in that, this power-supply controller of electric is the infrared induction controller.

7, power control as claimed in claim 1, it is characterized in that, this power-supply controller of electric comprises that power supply triggers part and linkage, and this linkage moves and return in order to control described electrical interface, and this power supply triggers part and changes its operating state in order to trigger power supply.

8, power control as claimed in claim 7 is characterized in that, this power supply triggers part and the start together of this linkage.

9, power control as claimed in claim 7 is characterized in that, it is cam that this power supply triggers part.

10, power control as claimed in claim 7 is characterized in that, it is bulge-structure that this power supply triggers part, is located on the cursor of described linkage.