CN207427562U - A kind of USB circuit plate device - Google Patents
A kind of USB circuit plate device Download PDFInfo
- Publication number
- CN207427562U CN207427562U CN201721404517.2U CN201721404517U CN207427562U CN 207427562 U CN207427562 U CN 207427562U CN 201721404517 U CN201721404517 U CN 201721404517U CN 207427562 U CN207427562 U CN 207427562U
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- CN
- China
- Prior art keywords
- substrate
- circuit plate
- plate device
- usb
- differential signal
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- 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 is related to a kind of USB circuit plate device, including substrate, connector, detection line, differential signal line is provided with differential signal line and detection line on the substrate, more piece-root grafting ground wires is distributed around differential signal line, one end of detection line is electrically connected to ground wire；The substrate includes line layer, and the ground wire is arranged in line layer, is evenly arranged with 24 pins on substrate by each device, and the interface end of connector includes USB contact terminals, and the non-interface end of the connector is fixedly connected on substrate.The utility model provides a kind of USB circuit plate device, has the characteristics that mask extra interference signal, short-circuit protection and facilitates short-circuit detecting.
Description
Technical field
The utility model is related to electronic technology fields, and in particular to a kind of USB circuit plate device.
Background technology
At present, the function of being integrated with electronic product is more and more, and the electronic module set on circuit board also more comes also close
Collection.USB is connected and communicate with for specification computer and external equipment, mainly applies the interfacing in PC fields, USB connects
The plug and play and warm connection function of mouth holding equipment.Existing USB attachment devices are by outer housing, printed circuit board (PCB), USB connections
Terminal and for can only the card connection terminal that is electrically connected of card form, USB connection terminals are arranged on the interface end of printed circuit board (PCB),
Card connection terminal is located at the other end of printing plate, is specifically arranged in outer housing and is arranged at intervals with USB connection terminals, is using process
In, the interface end of USB connection printed circuit board (PCB)s and the USB slot of terminal carry out grafting, and the interface end for passing through printed circuit board (PCB)
The functions such as it is connected to carry out data transmission between terminal.However in real work, transmission rate is got over when circuit board works
Height is, it is necessary to which the frequency used is also higher, and high-frequency can generate the transmission of other electronic modules interference, so as to influence other
The use of electronic module.Therefore, this signal interference limits the functions expanding on electronic product, particularly miniature electric production
High speed USB module is used on product.In addition, USB device gradually develops to miniaturization and tipped, have become people's daily life
The electronic equipment that uses of work high frequency, but jolting of occurring during using and collision be easy for so that connector with it is electric
Road plate is subjected to displacement, so as to influence the service life of product.
Patent CN101983003A discloses a kind of circuit board, belongs to electronic technology field, solves existing circuit board
There is technical issues that cost relatively.The circuit board mainly includes substrate, and differential signal line, differential signal are provided on substrate
Line is used for transmission the data-signal of symbol USB specification, and the differential signal line is provided on the substrate on differential signal line periphery
The first reference ground.The patent mainly reduces the cost of circuit board, because the number of plies of circuit board more at most needs the system expended
It is more to make material, used manufacturing process is also more troublesome, complicated, and the number of plies for reducing circuit board just correspondingly reduces cost.But
Be the invention differential signal line it is excessive, circuit board work when transmission rate can be very high, the frequency accordingly generated is higher, e-mail
Number interference being subject to is also higher, is unfavorable for using under more complicated rugged environment.
Utility model content
The technical issues of signal interference in the prior art is serious, and circuit board easily comes off with connector.This use
A kind of new USB circuit plate device of offer has and masks extra interference signal, short-circuit protection and facilitate short-circuit detecting
Feature.
In order to solve the above technical problems, the technical solution used is as follows：
A kind of USB circuit plate device, including substrate, connector, detection line, differential signal line；It is provided on the substrate
Differential signal line and detection line are distributed more piece-root grafting ground wires, one end electrical connection of the detection line around the differential signal line
In ground wire, the substrate includes line layer, and the ground wire is arranged in line layer, on the substrate by each device uniformly
It is provided with 2-4 pin；The interface end of the connector includes USB contact terminals, and the non-interface end of the connector, which is fixed, to be connected
It is connected on substrate.
As a further improvement, the substrate is PTEE woven glass fabric copper clad laminate.
As a further improvement, it is provided with limiting slot on the substrate.
As a further improvement, the USB contact jaws have the clamping corresponded with limiting slot.
As a further improvement, it is provided with shielding case on the substrate.
As a further improvement, short-circuit protection and short protection circuit are further included on the substrate.
As a further improvement, one layer of conducting resinl is set outside the pin.
The beneficial effects of the utility model：
Effect one, the use of the new type are provided with differential signal line on circuit boards, and the work of difference channel depends on signal
Line, their signal is equivalent and reversely goes up the difference between signal, and compared with the noise of surrounding, obtained signal is exactly any one
Twice of size of a single-ended signal.So under conditions of other all situations are all the same, differential signal has higher noise
Than being capable of providing higher performance；
Effect two, one end of detection line is connected by the utility model with ground wire, and is set around differential signal line
More piece-root grafting ground wires are put, because transmission rate can be higher when circuit board works, corresponding frequency is also higher, and high-frequency can be right
The transmission of other electronic modules generates interference, sets more piece-root grafting ground wires that can effectively prevent signal interference, it is ensured that circuit board is just
Often work operation；
Effect three, the utility model is evenly arranged with 2-4 pin on substrate by each device, and is scribbled on pin
One layer of conducting resinl.When short-circuit conditions occur for traditional circuit board, testing process is complicated, and maintenance cost is high, and the utility model can
Whether short circuit occurs between each device on individual test circuit plate, accomplish targetedly to detect, when saving a large amount of
Between.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structure diagram of substrate；
Fig. 3 is the structure diagram of pin.
Such as figure：
1- substrates, 2- connectors, 3- detection lines, 4- differential signal lines, 5- ground wires, 6- shielding cases, 7- pins, 8- /Vs
Slot, 9- interface ends, 10- clampings, 11- heat emission holes, 12- conducting resinls.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment be only the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing
It can be configured to arrange and design with a variety of with the component of the utility model embodiment indicated.Therefore, it is right below
The detailed description of the embodiment of the utility model provided in the accompanying drawings is not intended to limit claimed the utility model
Scope, but it is merely representative of the selected embodiment of the utility model.Embodiment based on the utility model, those skilled in the art
The all other embodiments obtained on the premise of creative work is not made belong to the model of the utility model protection
It encloses.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In the description of the utility model, it is also necessary to explanation, unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment
The present embodiment provides a kind of USB circuit plate device, as shown in Figure 1, including substrate 1 and connector 2, set on substrate 1
Limiting slot 8 is equipped with, is fixedly installed on the contact surface of the interface end 9 of connector 2 completely corresponding with the limiting slot 8 on substrate 1
Clamping 10, clamping 10 is fixed to one structure with connector, and clamping 10 is connected through limiting slot 8, it becomes possible to be reached base
Plate 1 and 2 close-connected effect of connector；Heat emission hole 11 is evenly arranged on connector 2, circuit board can inevitably dissipate at work
Amount of heat is sent, the excessively high working performance that can influence circuit board of temperature duration will set multiple heat emission holes on connector,
Heat can be distributed rapidly；The interface end 9 of connector 2 includes USB contact terminals, and the non-interface end of connector 2 is consolidated
On substrate 1, connection here can be threaded connection or limiting slot connects, and not do particular determination here for fixed connection.
As shown in Fig. 2, differential signal line 4 and detection line 3 are provided on substrate 1,3 quantity of differential signal line 4 and detection line
Equal, differential signal line 4 is as closer to the distance with detection line 3 as possible；More are uniform-distribution with around each differential signal line 4
Ground wire 5, is to the greatest extent signal be avoided to interfere with each other；One end of the detection line 3 is electrically connected to ground wire 5, base
Line layer is further included in plate 1, the ground wire 5 is arranged in line layer；Short-circuit test pin 7 is fixedly connected on substrate 1.
The side of substrate 1 is additionally provided with shielding case 6, and shielding case 6 is connected with substrate 1, can be further by external electricity
Magnetic signal plays shielding action, ensures stabilization during circuit board operation.
Such as Fig. 3, (differential signal line, detection line etc.) is evenly arranged with 2 pins 7, pin 7 by each device on substrate 1
One end fix on substrate 1, can be welded, be bonded or be threadedly coupled by scolding tin, not do other restrictions here, as long as energy
Meet fixed electrical connection, apply last layer conducting resinl 12 in the outer layer of pin 7, increased electric conductivity.When circuit board occurs
When short-circuit, targetedly each device on circuit board can be tested by pin by short-circuit test device, with regard to energy
It is enough rapidly to find short dot.Traditional short-circuit test is to make test needle plate by the epoxy plate of multilayer to detect short dot
, but the distance between probe and probe is excessive, so as to cause detection and inaccurate.
Preferably, 7 number of pin that (differential signal line, detection line etc.) is uniformly arranged by each device on substrate 1 can be 3
It is a or 4.
As a further improvement, the substrate 1 can be PTEE woven glass fabric copper clad laminate, which has
The characteristics of wear-resisting, corrosion-resistant and transmission rate is fast.
As a further improvement, short protection circuit is further included on the substrate 1, protection circuit can be on circuit board
Circuit play the role of short-circuit protection, when circuit is in the state of short circuit, the working condition of circuit board can be cut off.
Although the illustrative specific embodiment of the utility model is described above, in order to the art
Technical staff is it will be appreciated that the utility model, but the utility model is not limited only to the scope of specific embodiment, to this technology
For the those of ordinary skill in field, as long as long as the utility model that various change is limited and determined in appended claim
In spirit and scope, all are created using the utility model of the utility model design in the row of protection.
Claims (8)
1. a kind of USB circuit plate device, including substrate (1), connector (2), detection line (3), differential signal line (4), feature
It is, differential signal line (4) and detection line (3) is provided on the substrate (1), is distributed around the differential signal line (4)
More piece-root grafting ground wires (5), one end of the detection line are electrically connected to ground wire (5), and the substrate (1) includes line layer, described to connect
Ground wire (5) is arranged in line layer, and 2-4 pin (7), the connection are evenly arranged with by each device on the substrate (1)
The interface end (9) of device (2) includes USB contact terminals, and the non-interface end of the connector is fixedly connected on substrate (1).
2. USB circuit plate device according to claim 1, which is characterized in that the substrate (1) is to cover copper foil polytetrafluoroethyl-ne
Alkene glass cloth laminated board.
3. USB circuit plate device according to claim 1 or 2, which is characterized in that be provided with /V on the substrate (1)
Slot (8).
4. USB circuit plate device according to claim 3, which is characterized in that the USB contact jaws have and limiting slot (8)
The clamping (10) corresponded.
5. USB circuit plate device according to claim 1, which is characterized in that be provided with shielding case on the substrate (1)
(6)。
6. USB circuit plate device according to claim 1, which is characterized in that further include short-circuit protection on the substrate (1)
Circuit.
7. USB circuit plate device according to claim 1, which is characterized in that the pin (7) sets one layer of conducting resinl outside
(12)。
8. USB circuit plate device according to claim 1, which is characterized in that set on the contact surface of the connector (2)
There is heat emission hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721404517.2U CN207427562U (en) | 2017-10-27 | 2017-10-27 | A kind of USB circuit plate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721404517.2U CN207427562U (en) | 2017-10-27 | 2017-10-27 | A kind of USB circuit plate device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207427562U true CN207427562U (en) | 2018-05-29 |
Family
ID=62309141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721404517.2U Expired - Fee Related CN207427562U (en) | 2017-10-27 | 2017-10-27 | A kind of USB circuit plate device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207427562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768731A (en) * | 2018-07-27 | 2020-02-07 | 京东方科技集团股份有限公司 | Functional panel, manufacturing method thereof and terminal |
-
2017
- 2017-10-27 CN CN201721404517.2U patent/CN207427562U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768731A (en) * | 2018-07-27 | 2020-02-07 | 京东方科技集团股份有限公司 | Functional panel, manufacturing method thereof and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20201027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |