CN1622400A - Plug detecting device - Google Patents
Plug detecting device Download PDFInfo
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- CN1622400A CN1622400A CN 200310119632 CN200310119632A CN1622400A CN 1622400 A CN1622400 A CN 1622400A CN 200310119632 CN200310119632 CN 200310119632 CN 200310119632 A CN200310119632 A CN 200310119632A CN 1622400 A CN1622400 A CN 1622400A
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- Prior art keywords
- plug
- processing unit
- circuit board
- gang socket
- signal processing
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Abstract
The plug detector includes one circuit board, one signal processing unit set on the circuit board, one connecting socket set on the circuit board, connected electrically to the signal processing unit and for connecting one connecting plug with outer metal ring in the first potential, and one metal sheet near the connecting socket and connected electrically to one corresponding pin of the signal processing unit. When the connecting plug is inserted into the connecting socket, the outer metal ring contacts with the metal sheet to make the corresponding pin in the first potential and make the signal processing unit detect the insertion of the plug for further bi-directional signal transmission.
Description
Technical field
The present invention relates to a kind of plug arrangement for detecting (plug detecting device), particularly relate to a kind of plug arrangement for detecting that is arranged at electronic product, whether inserted gang socket in order to detecting attachment plug, and after confirming that attachment plug has been inserted gang socket, just will carry out the signal transmission.
Background technology
Plug detecting (plug-detecting) is meant that electronic product detects its gang socket and whether interconnect with attachment plug.In response to needs, whether some electronic product must be detected being connected between gang socket and attachment plug, to carry out the signal shunting or to remind respective handling such as user's plug does not connect in good time.
According to the difference of specification or design, include the pin hole of some and function in the gang socket, then have in the attachment plug with respect to the similar number of pin hole (pins holes) and the pin (pin) of function.Existing electronic product with plug detecting function carries out the method for plug detecting, be one of gang socket specific pin hole to be detected every one period set time, in case attachment plug connects, transmitting so far, the signal in pin hole will change, electronic product can learn that its gang socket has connected attachment plug, and can carry out corresponding action.
The plug detecting function of prior art must use a specific pin hole and corresponding pin thereof to detect.Yet, do not provide the pin hole of detecting usefulness in the gang socket of the many specifications design according to different specification and designs.When all there was its signal specific transfer function in all pin holes, will not having unnecessary pin hole can be for the usefulness of plug detecting.Therefore, prior art can't reach the purpose of plug detecting by existing hardware.
See also Fig. 1, Fig. 1 is the external view of existing attachment plug 10.The specification of attachment plug 10 is S-Video (4-pole miniDIM), be commonly called as the S terminal, be applied to the signal transmission between audio-visual playback equipment and image output equipment, for example transmission of the signal between digital laser video disk machine (DVD player or Digital VideoDisc Player) and television set more.Attachment plug 10 comprises four pins 11,12,13,14, and attachment plug 10 each pin are corresponding with the pin hole in its pairing gang socket, and attachment plug 10 has a metal outer ring 15.In this example, the specification of attachment plug 10 is set and is made its four pins be responsible for different signal transfer functions respectively with its pairing pin hole, wherein pin 11 is responsible for brightness passback (luminance return), pin 12 is responsible for colourity passback (chrominancereturn), pin 13 is responsible for brightness (luminance), and pin 14 is responsible for colourity (chrominance).The specification of this gang socket and plug, there is no provides required pin hole of plug detecting and relative pin.When if the designer will increase the plug detecting function, can only select not increase the pin hole, and, put out the usefulness of a pin hole in order for the plug detecting with the signal transfer protocol redistribution that this attachment plug designs; Or select the circuit of this gang socket and plug is readjusted, increase a new pin hole and corresponding pin usefulness for the plug detecting.These modes relate to the modification of communication modes, the layout again of circuit or the change of hardware etc., and cost is all very expensive, also rather bothers in the design.
Summary of the invention
The object of the present invention is to provide a kind of plug arrangement for detecting of electronic product, whether be connected, with in good time transmission signals or carry out the signal shunting with its corresponding attachment plug to assist electronic product to detect its gang socket.
The invention provides a kind of plug arrangement for detecting (plug detecting device), comprise a circuit board; One signal processing unit (Chip IC is as Philips Centaurus) is arranged on this circuit board; One gang socket is arranged on this circuit board and is electrically connected on this signal processing unit, is used for connecting an attachment plug that comprises a metal outer ring, and wherein this metal outer ring has one first current potential; And a sheet metal (metal piece), be arranged at the contiguous place of this gang socket, and be electrically connected on a corresponding pin position of this signal processing unit.When this gang socket is inserted in this attachment plug, this sheet metal is touched in this metal outer ring, make this correspondence pin position be positioned at this first current potential, and make this signal processing unit determine that this attachment plug inserted this gang socket via this sheet metal, and then beginning transmitted in both directions signal.
Plug detection element of the present invention or plug arrangement for detecting can make electronic product under the prerequisite of not changing attachment plug/socket hardware specification, and do not need numerous and diverse circuit change, reach the purpose of plug detecting.
Description of drawings
Fig. 1 is the external view of prior art, the attachment plug of four stitch (4-pole miniDIM plug);
Fig. 2 is the schematic diagram of plug arrangement for detecting of the present invention;
Fig. 3 is an embodiment user mode figure of plug detection element of the present invention;
Fig. 4 is the enlarged drawing of embodiment among Fig. 3;
Fig. 5 inserts the external view of gang socket for attachment plug;
Fig. 6 is the circuit diagram of plug detection element of the present invention effect;
Fig. 7 is the change in voltage figure of plug detection element of the present invention;
Fig. 8 is the schematic diagram of plug detection element embodiment of the present invention.
Embodiment
The invention provides a plug arrangement for detecting, inserted this gang socket in order to determine this attachment plug, and then beginning transmitted in both directions signal.
See also Fig. 2, Fig. 2 is the schematic diagram of one embodiment of the invention plug arrangement for detecting 36.Plug arrangement for detecting 36 of the present invention comprises a circuit board 42, a gang socket 44, a signal processing unit 46 and a sheet metal 16.Circuit board 42 comprises a positive and back side.Signal processing unit 46 and gang socket 19 are arranged at the front of circuit board 42.Gang socket 44 also is electrically connected on signal processing unit 46, is used for connecting an attachment plug 26 that comprises a metal outer ring 15.The metal outer ring 15 of attachment plug 26 has one first current potential.Sheet metal 16 is a metal clips, is arranged at the contiguous gang socket 44 in the back side of circuit board, and is electrically connected on a corresponding pin position of signal processing unit 46.When gang socket 44 is inserted in attachment plug 26, sheet metal 16 is touched in metal outer ring 15, make this correspondence pin position be positioned at this first current potential, and then make signal processing unit 46 definite attachment plugs 26 insert gang socket 19 via sheet metal 16, and then beginning transmitted in both directions signal.
In another embodiment, sheet metal 16 also can be the front that a metallic gasket is arranged on circuit board 42.This metallic gasket be fixed in the front of circuit board 42 with scolding tin.When gang socket 44 was inserted in attachment plug 26, this metallic gasket can be touched in the metal outer ring 15 of attachment plug 26.
See also Fig. 3, Fig. 3 is the external view of plug detection element of the present invention.In Fig. 3, the plug detection element is that metal clips 17 is arranged on the carrier (substrate) of an electronic product (electronic product).This carrier is that (printed circuit board, PCB), it comprises a positive and back side to a printed circuit board (PCB) 18.Include at least one signal processing unit (signal processing unit) (not shown) on the printed circuit board (PCB) 18, and be provided with a gang socket (connector) 19.This signal processing unit and gang socket 19 are arranged at the front of printed circuit board (PCB) 18.Metal clips 17 is arranged at the contiguous place (proximity) of gang socket 19, and is attached to the back side of printed circuit board (PCB) 18.And metal clips 17 is electrically connected (electronically connected to) in the signal processing unit of printed circuit board (PCB) 18.
See also Fig. 4, Fig. 4 is the external view of Fig. 3 metal clips 17.Metal clips 17 (metal spring) comprises a horizontal attachment portion 20, (horizontally attaching portion), one downward extension 21, (downwardly extending portion) and one extends upward part 22, (upwardlyextending portion).As shown in Figure 3, metal clips 17 is fixed in the back side of printed circuit board (PCB) 18 with scolding tin with its horizontal attachment portion 20.And metal clips 17 does not contact with printed circuit board (PCB) 18 except horizontal attachment portion 20 to some extent.
See also Fig. 5, Fig. 5 is that the external view of gang socket 19 is inserted in an attachment plug 26.Gang socket 19 can interconnect with an attachment plug (plug) 26, in order to the transmission electronic signal.In the specification of attachment plug 26 and gang socket 19, do not comprise can be used to detect pin and the corresponding pin hole whether attachment plug 26 has inserted gang socket 19.As shown in Figure 5, when gang sockets 19 were inserted in attachment plug 26, what metal clips 17 can be touched in this metal outer ring 15 shown in Figure 1 extended upward part 22.
See also Fig. 6 and Fig. 7, Fig. 6 is the circuit diagram of attachment plug 26 shown in Figure 5 when being connected with gang socket 19, and Fig. 7 is voltage (voltage) figure before and after attachment plug 26 shown in Figure 5 is connected with gang socket 19.When gang socket 19 is inserted in attachment plug 26, can touch and conducting (touch andconduct) metal clips 17, and make this signal processing unit receive a corresponding insertion detection signal.As shown in Figure 5, extend upward part 22 when electrically touching for grounded metal outer ring 15, the earth terminal 32 in metal outer ring 15 in the attachment plug 26 and metal clips 17 and the gang socket 19 will be switched on.Sheet metal 17 voltages (voltage) that are connected front and back about gang socket 19 with attachment plug 26 change, and are illustrated with Fig. 7.When attachment plug 26 was not inserted gang socket 19 as yet, the insertion detection signal that this signal processing unit is received from sheet metal 17 was in the high potential (Hi) of voltage.When gang sockets 19 are inserted in attachment plug 26,, make the voltage potential of this insertion detection signal be dragged down (GND) because of should be electrical extending upward part 22 for what sheet metal 17 can be touched in the metal outer ring 15 of ground connection.This signal processing unit is known that by this change in voltage of inserting detection signal (acknowledge) attachment plug 26 has been inserted in the gang socket 19.When attachment plug 26 had been inserted into gang socket 19, signal processing unit began to gang socket 19 transmitted in both directions signals.When gang socket 19 was not inserted in attachment plug 26, signal processing unit did not transmit signals to gang socket 19, to keep spectral purity.
See also Fig. 8, Fig. 8 is the schematic diagram of plug detection element 40 of the present invention.As shown in the figure, plug detection element 40 of the present invention is installed on the electronic product 41, electronic product 41 comprises a printed circuit board (PCB) 18, one signal processing unit 46, and the gang socket 19 of a confession attachment plug 26 connection usefulness, attachment plug 26 comprises a metal outer ring 15, and plug detection element 40 is positioned at the contiguous place of gang socket 19 on the printed circuit board (PCB) 18.Plug detection element 40 can be a metal clips (not shown) or a metallic gasket (metal pedal) (not shown), and is then similar to previous embodiment as for detailed type of action, do not repeat them here.
Plug detection element of the present invention can be applicable to video signal S terminal (video S-terminal).Gang socket 19 can be a video signal S terminal socket, and 26 of attachment plugs are a corresponding video signal S terminal plug.In addition, gang socket also can be a USB (USB or Universal Serial Bus) socket, and attachment plug then is a corresponding USB plug.Or gang socket also can be a socket that meets communication specification IEEE 1394, and attachment plug then is a corresponding plug that meets communication specification IEEE1394.
Plug detection element of the present invention or plug arrangement for detecting, can overcome and not reserve the shortcoming of pin on existing attachment plug/socket specification for the usefulness of plug detecting, make electronic product under the prerequisite of not changing attachment plug/socket hardware specification, do not need numerous and diverse circuit change, utilize a metal clips or pad, reach the purpose of plug detecting and take into account the effect that improves spectral purity and power saving.
By the above detailed description of preferred embodiments, hope can be known description feature of the present invention and spirit more, and is not to come category of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain various changes and have in the category that is arranged in claim of the present invention of equality.
Claims (23)
1. a plug arrangement for detecting (plug detecting device) comprising:
One circuit board;
One signal processing unit is arranged on this circuit board;
One gang socket is arranged on this circuit board and is electrically connected on this signal processing unit, is used for connecting an attachment plug that comprises a metal outer ring, and wherein this metal outer ring has one first current potential; And
One sheet metal (metal piece) is arranged at the contiguous place of this gang socket, and is electrically connected on a corresponding pin position of this signal processing unit;
Wherein, when this gang socket was inserted in this attachment plug, this sheet metal was touched in this metal outer ring, made this correspondence pin position be positioned at this first current potential via this sheet metal, and made this signal processing unit determine that this attachment plug inserted this gang socket.
2. plug arrangement for detecting as claimed in claim 1, wherein when this correspondence pin position was positioned at this first current potential, this signal processing unit began the transmitted in both directions signal.
3. plug arrangement for detecting as claimed in claim 2, wherein this circuit board comprises a positive and back side, this signal processing unit and this gang socket are arranged at the front of this circuit board.
4. plug arrangement for detecting as claimed in claim 3, wherein this first current potential of this metal outer ring is an earthing potential.
5. plug arrangement for detecting as claimed in claim 4, wherein this sheet metal is the front that a metallic gasket (metal pedal) is arranged at this circuit board.
6. plug arrangement for detecting as claimed in claim 4, wherein this sheet metal is the back side that a metal clips (metal spring) is arranged at this circuit board.
7. plug arrangement for detecting as claimed in claim 6, this metal clips and comprise a horizontal attachment portion wherein, a downward extension and extends upward part, and this metal clips is attached to the back side of this circuit board with this horizontal attachment portion.
8. plug arrangement for detecting as claimed in claim 7, wherein this horizontal attachment portion is to be fixed on this circuit board with scolding tin, and this metal clips does not contact with this circuit board except this horizontal attachment portion to some extent.
9. plug arrangement for detecting as claimed in claim 7, wherein when this gang socket was inserted in this attachment plug, the part that extends upward of this metal clips can be touched in this metal outer ring.
10. a plug detection element (plug detecting element), be arranged on the carrier (substrate) of an electronic product (electronic product), include at least one signal processing unit (signal processing unit) on this carrier and be provided with a gang socket (connector), this gang socket can interconnect with an attachment plug (plug), in order to an electronic signal transmission to this signal processing unit, be provided with the contiguous place (proximity) of this plug detection element on this carrier in addition in this gang socket, and be electrically connected on (electronically connected to) this signal processing unit, wherein, when this gang socket is inserted in this attachment plug, can touch and this plug detection element of conducting (touch and conduct), make this signal processing unit receive a corresponding insertion detection signal, and then beginning transmitted in both directions signal.
11. plug detection element as claimed in claim 10, wherein this carrier is a printed circuit board (PCB) (printing circuit board, PCB), this printed circuit board (PCB) also comprises a positive and back side, and this signal processing unit and this gang socket are arranged at the front of this printed circuit board (PCB).
12. plug detection element as claimed in claim 11, wherein this attachment plug and comprise that one electrically is the metal outer ring of ground connection (electronically grounded metal outer ring).
13. plug detection element as claimed in claim 12, wherein when this gang socket is not inserted in this attachment plug as yet, the insertion detection signal that this signal processing unit is received from this plug detection element is in the high potential of voltage, when this gang socket is inserted in this attachment plug, the voltage potential of this insertion detection signal can be dragged down, and makes this signal processing unit learn that (acknowledge) this attachment plug has been inserted in this gang socket.
14. plug detection element as claimed in claim 12, wherein this plug detection element is the front that a metallic gasket (metal pedal) is arranged at this printed circuit board (PCB), when this gang socket is inserted in this attachment plug, this metallic gasket can be touched in the metal outer ring of this attachment plug, and then this metallic gasket of conducting and produce a corresponding ground signalling to this signal processing unit, notify this signal processing unit to form this insertion detection signal.
15. plug detection element as claimed in claim 12, wherein this sheet metal is the back side that a metal clips (metal spring) is arranged at this circuit board.
16. plug detection element as claimed in claim 15, this metal clips and comprise a horizontal attachment portion (horizontally attaching portion) wherein, one downward extension (downwardlyextending portion) and one extends upward part (upwardly extending portion), and this metal clips is attached to the back side of this printed circuit board (PCB) with this horizontal attachment portion.
17. plug detection element as claimed in claim 16, wherein this horizontal attachment portion is fixed on this printed circuit board (PCB) with scolding tin, and this metal clips does not contact with this printed circuit board (PCB) except this horizontal attachment portion to some extent.
18. as requiring 16 described plug detection element on the right, wherein when this gang socket is inserted in this attachment plug, the part that extends upward of this metal clips can be touched in the metal outer ring of this attachment plug, this metal clips of conducting also produces a corresponding ground signalling to this signal processing unit, notifies this signal processing unit to form this insertion detection signal.
19. plug detection element as claimed in claim 10, wherein this gang socket includes a plurality of pins hole (pin holes), and when this gang socket was inserted in this attachment plug, this pin hole was used for this electronic signal transmission to this signal processing unit.
20. plug detection element as claimed in claim 19, wherein this gang socket does not comprise and can be used to detect the pin hole whether this attachment plug has inserted.
21. plug detection element as claimed in claim 10, wherein this gang socket is video signal S terminal (video S-terminal) socket, and this attachment plug is a corresponding video signal S terminal plug.
22. plug detection element as claimed in claim 10, wherein this gang socket is a USB (USB) socket, and this attachment plug is a corresponding USB plug.
23. plug detection element as claimed in claim 10, wherein this gang socket is one to meet the socket of communication specification 1394, and this attachment plug is a corresponding plug that meets communication specification 1394.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310119632 CN1622400A (en) | 2003-11-27 | 2003-11-27 | Plug detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310119632 CN1622400A (en) | 2003-11-27 | 2003-11-27 | Plug detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1622400A true CN1622400A (en) | 2005-06-01 |
Family
ID=34761392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310119632 Pending CN1622400A (en) | 2003-11-27 | 2003-11-27 | Plug detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1622400A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107859A1 (en) * | 2016-12-13 | 2018-06-21 | 广州视源电子科技股份有限公司 | Device for detecting pluggable module |
-
2003
- 2003-11-27 CN CN 200310119632 patent/CN1622400A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107859A1 (en) * | 2016-12-13 | 2018-06-21 | 广州视源电子科技股份有限公司 | Device for detecting pluggable module |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |