CN207150964U - A kind of printed circuit board (PCB) - Google Patents
A kind of printed circuit board (PCB) Download PDFInfo
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- CN207150964U CN207150964U CN201721221546.5U CN201721221546U CN207150964U CN 207150964 U CN207150964 U CN 207150964U CN 201721221546 U CN201721221546 U CN 201721221546U CN 207150964 U CN207150964 U CN 207150964U
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- golden finger
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Abstract
The utility model discloses a kind of printed circuit board (PCB), including a substrate, is fixed on substrate and is used for the connector for connecting flexible PCB；By setting up auxiliary golden finger on the connectors, and cooperate with the decision element being connected with the auxiliary golden finger set up on substrate, the judgement to the inserting state between the first golden finger of connector and the second golden finger of flexible PCB can be achieved, so that in actual application, can determine inserting state it is normal after, then power on operation is carried out to equipment, and then has effectively evaded the extremely caused high current equivalent risk of grafting, reduce loss from spoilage, improve equipment yield.
Description
Technical field
It the utility model is related to communication technical field, more particularly to a kind of printed circuit board (PCB).
Background technology
With the rapid development of telecommunication technology, various electronic equipments are gradually in the life of people.Printed circuit board (PCB)
(Printed Circuit Board, PCB) and flexible PCB (Flexible Printed Circuit, FPC) are used as electronics
The supporter of equipment, for realizing the electrical connection of various components in electronic equipment.With in the market electronic devices structure and
The variation of species and complication development trend, printed circuit board (PCB) and flexible PCB seem more and more important.
In the prior art, the connection with printed circuit board (PCB) is mainly accomplished by the following way in flexible PCB：Snap connection,
It is welded to connect and is connected using connector.Usually can be because of operating personnel in the Job Operations of reality due to snapping connection
The quality problems of shop problem or buckle in itself cause snap fit to be broken, and if the printed circuit board (PCB) connecting interface with buckle
It is welded on printed circuit board, at this moment the interface welded on a printed circuit must be just done over again, taken time and effort.Welding connects
The mode connect is possible to appearance again, and even tin, missing solder etc. are bad, soft particularly in the higher miniaturized electronic devices of integrated level
Property circuit board golden finger (Pin) quantity and density increase can bring it is more bad, it is therefore, more using connecting in the prior art
Connect device and realize electrical connection between flexible PCB and printed circuit board (PCB).
Specifically, as shown in figure 1, printed circuit board (PCB) 101 passes through the golden finger 102 of connector and the golden hand of flexible PCB
Electrical connection is realized in the corresponding contact referred between 103.But inventor has found to use company in flexible PCB and printed circuit board (PCB)
Connect device to carry out that part grafting off normal or inclined situation unavoidably occurs during grafting, as shown in Figure 2；In this feelings
Under condition, the golden finger on flexible PCB there may be the abnormal conditions such as short circuit, and now device power is then likely to form high current
Cause circuit to burn etc. abnormal, and then cause product rejection.
Utility model content
In view of this, the utility model embodiment provides a kind of printed circuit board (PCB), can substantially reduce in printed circuit board (PCB)
The abnormal probability with flexible PCB grafting, is powered so as to effective circumvention device and high current equivalent risk occurs, and damage is scrapped in reduction
Lose, improve equipment yield.
Therefore, a kind of printed circuit board (PCB) that the utility model embodiment provides, including a substrate, are fixed on the substrate
For connecting the connector of flexible PCB, and the decision element being connected with the connector；
Wherein, the connector includes multiple first golden fingers and at least one auxiliary golden finger, and the first gold medal hand
Refer to separate with the auxiliary golden finger；
Each first golden finger, for grafting corresponding with multiple second golden fingers of the flexible PCB；
The auxiliary golden finger position is located at first golden finger and institute on the bearing of trend of first golden finger
State the side that the second golden finger corresponds to grafting；
The decision element is connected with the auxiliary golden finger, for cooperateing with the auxiliary golden finger to the first gold medal hand
The inserting state referred between second golden finger is judged.
It is described in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides in a kind of possible implementation
Decision element, it is specifically used for：
Judge to be between the auxiliary golden finger under inserting state on first golden finger and bearing of trend
State, the inserting state between first golden finger and second golden finger are normal；And
Judge to be in disconnection between the auxiliary golden finger under inserting state on first golden finger and bearing of trend
State, the inserting state between first golden finger and second golden finger are abnormal.
It is described in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides in a kind of possible implementation
Decision element includes the sub- decision element to be connected one to one with the auxiliary golden finger, and each sub- decision element includes crystalline substance
Body pipe, resistance, detection circuit and decision circuit；
Wherein, the grid of the transistor is connected with the backlight cabling of the substrate, and drain electrode is connected with detection node, source electrode
It is connected with other cablings outside the backlight cabling of the substrate；
One end of the resistance is connected with the detection node, the other end and the corresponding auxiliary golden finger connection；
The detection circuit, feed back to institute for detecting the curtage at the detection node, and by testing result
State decision circuit；
The decision circuit, for when it is determined that the testing result received is identical with default result, described in judgement
Inserting state between first golden finger and second golden finger is normal；It is determined that the testing result that receives with it is default
As a result when different, judge that the inserting state between first golden finger and second golden finger is abnormal, and send alarm signal
Number.
It is described in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides in a kind of possible implementation
Decision element includes the sub- decision element to be connected one to one with the auxiliary golden finger, and each sub- decision element includes crystalline substance
Body pipe, resistance, detection circuit and decision circuit；
Wherein, the grid of the transistor is connected with the backlight cabling of the substrate, drain electrode and the corresponding auxiliary gold
Finger is connected, and source electrode is connected with detection node；
One end of the resistance is connected with the detection node, outside the backlight cabling of the other end and the substrate
Other cablings connect；
The detection circuit, feed back to institute for detecting the curtage at the detection node, and by testing result
State decision circuit；
The decision circuit, for when it is determined that the testing result received is identical with default result, described in judgement
Inserting state between first golden finger and second golden finger is normal；It is determined that the testing result that receives with it is default
As a result when different, judge that the inserting state between first golden finger and second golden finger is abnormal, and send alarm signal
Number.
It is described in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides in a kind of possible implementation
Decision element is connected respectively with multiple auxiliary golden fingers, and the decision element includes transistor, detection circuit, judges electricity
Road and with each auxiliary golden finger multiple resistance correspondingly；
The grid of the transistor is connected with the backlight cabling of the substrate, and drain electrode is connected with detection node, source electrode and institute
State other cablings connection outside the backlight cabling of substrate；
One end of each resistance is connected with the detection node, and the other end connects with the corresponding auxiliary golden finger
Connect；
The detection circuit, feed back to institute for detecting the curtage at the detection node, and by testing result
State decision circuit；
The decision circuit, for when it is determined that the testing result received is identical with default result, described in judgement
Inserting state between first golden finger and second golden finger is normal；It is determined that the testing result that receives with it is default
As a result when different, judge that the inserting state between first golden finger and second golden finger is abnormal, and send alarm signal
Number.
It is described in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides in a kind of possible implementation
Golden finger is aided in include one first auxiliary golden finger and one second auxiliary golden finger；
The bearing of trend of first golden finger of the first auxiliary golden finger position in connector side edge
On, the second auxiliary golden finger position is on the bearing of trend of first golden finger of the connector offside edge.
The utility model has the beneficial effect that：
The utility model embodiment provides a kind of printed circuit board (PCB), including a substrate, is fixed on substrate and is used to connect
The connector of flexible PCB and the decision element being connected with connector；Wherein, connector include multiple first golden fingers and
At least one auxiliary golden finger, and the first golden finger and auxiliary golden finger are separate；Each first golden finger, is used for and flexible electrical
Multiple second golden fingers of road plate correspond to grafting；Golden finger position is aided on the bearing of trend of the first golden finger, and positioned at first
The side of golden finger grafting corresponding with the second golden finger；Decision element is connected with auxiliary golden finger, and golden finger is aided in for cooperateing with
Inserting state between first golden finger and the second golden finger is judged.By setting up auxiliary golden finger on the connectors,
And cooperate with the decision element being connected with the auxiliary golden finger set up on substrate, can be achieved to the first golden finger of connector and
The judgement of inserting state between second golden finger of flexible PCB, so that in actual application, it can sentence
Make inserting state it is normal after, then power on operation is carried out to equipment, and then has effectively evaded extremely caused high current of grafting etc.
Risk, reduce loss from spoilage, improve equipment yield.
Brief description of the drawings
Fig. 1 is the normal schematic diagram of inserting state between printed circuit board (PCB) and flexible PCB in the prior art；
Fig. 2 is the schematic diagram of inserting state exception between printed circuit board (PCB) and flexible PCB in the prior art；
Fig. 3 a to Fig. 3 d are respectively the structural representation for the printed circuit board (PCB) that the utility model embodiment provides；
Fig. 4 a to Fig. 4 d are respectively grafting between the printed circuit board (PCB) and flexible PCB that the utility model embodiment provides
The normal schematic diagram of state；
Fig. 5 a and Fig. 5 b are respectively the printed circuit board (PCB) and flexible circuit shown in Fig. 3 a that the utility model embodiment provides
The abnormal schematic diagram of inserting state between plate；
Fig. 6 is the judgement side of inserting state between the printed circuit board (PCB) and flexible PCB that the utility model embodiment provides
The flow chart of method.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the printed circuit board (PCB) provided the utility model embodiment carries out detailed
Explanation.It should be noted that embodiment described herein is only the utility model part of the embodiment, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
The shapes and sizes of each part do not reflect the actual proportions of printed circuit board (PCB) in accompanying drawing, and purpose is schematically illustrate
Utility model content.
A kind of printed circuit board (PCB) that the utility model embodiment provides, as shown in Fig. 3 a to Fig. 3 d, including a substrate 301,
It is fixed on substrate 301 and is used for the connector 302 for connecting flexible PCB, and the decision element being connected with connector 302
303, and decision element 303 can be made up of (as shown in Fig. 3 a to Fig. 3 c) more sub- decision elements 303 ', or one is only
Vertical part (as shown in Figure 3 d)；
Wherein, connector 302 includes multiple first golden fingers 3021 and at least one auxiliary golden finger 3022, and the first gold medal
Finger 3021 and auxiliary golden finger 3022 are separate；
Each first golden finger 3021, for the 304 corresponding grafting of multiple second golden fingers with flexible PCB, such as Fig. 4 a extremely
Shown in Fig. 4 d；
Auxiliary golden finger 3022 be located on the bearing of trend of the first golden finger 3021, and is located at the first golden finger 3021 and the
The side of the corresponding grafting of two golden fingers 304；
Decision element 303 is connected with auxiliary golden finger 3022, for cooperateing with auxiliary golden finger 3022 to the first golden finger
3021 and the second inserting state between golden finger 304 judged.
In the above-mentioned printed circuit board (PCB) that the utility model embodiment provides, by setting up auxiliary gold on connector 302
Finger 3022, and the decision element 303 being connected with the auxiliary golden finger 3022 set up on substrate 301 is cooperateed with, achievable pair
The judgement of inserting state between first golden finger 3021 of connector 302 and the second golden finger 304 of flexible PCB, so as to
So that in actual application, can determine inserting state it is normal after, then power on operation is carried out to equipment, and then effectively
The extremely caused high current equivalent risk of grafting is evaded, has reduced loss from spoilage, improve equipment yield.
It should be noted that in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides, include in connector 302
During multiple auxiliary golden fingers 3022, multiple auxiliary golden fingers 3022 can not only be located at the bearing of trend of same first golden finger 3021
On, can also be respectively on the bearing of trend of multiple first golden fingers 3021, i.e., first golden finger 3021 can correspond to
Multiple auxiliary golden fingers 3022, or, as shown in Fig. 3 a to Fig. 3 c, the first golden finger 3021 only golden hand of a corresponding auxiliary
Refer to 3022, be not specifically limited herein., not only can be with when being corresponded due to the first golden finger 3021 with auxiliary golden finger 3022
Judge the inserting state between the first golden finger 3021 and the second golden finger 304, and cost of manufacture can be reduced, simplify connection
The structure of device 302, it is thus preferable to, in practical application, the first golden finger 3021 and auxiliary golden finger 3,022 1 can be set
One correspondence.
Also, in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides, the extension side of the first golden finger 3021
Upwards, refer to that the first golden finger 3021 and the second golden finger 304 carry out the direction of motion of normal grafting.For example, in Fig. 3 a to figure
The length bearing of trend of the first golden finger 3021, the i.e. vertical direction parallel to paper are referred specifically in 3c；Now, golden finger is aided in
3022 is vertical corresponding with the first golden finger 3021.
In addition, in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides, the first golden finger 3021 and auxiliary gold
Finger 3022 is separate, refers specifically to that the two is physically separate, while the two is also separate in circuit connection.Tool
Body, by taking Fig. 3 a to Fig. 3 c as an example, first golden finger 3021 in the both sides of the edge of connector 302 is extended vertically on direction, if
Put auxiliary golden finger 3022 that is vertical corresponding with the first golden finger 3021 and not contacting with each other；Substrate is welded in connector 302
After on 301, auxiliary golden finger 3022 is turned on substrate 301, and open circuit is formed between corresponding first golden finger 3021.Only
In the first golden finger 3021 and the second 304 normal grafting of golden finger, the first golden finger 3021 is corresponding with its bearing of trend
Auxiliary golden finger 3022 can just be connected by the second golden finger 304 and form path, as shown in Fig. 4 a to Fig. 4 d.
In view of this, in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides, decision element 303, specifically may be used
For：
By judging to locate between the auxiliary golden finger 3022 under inserting state on the first golden finger 3021 and its bearing of trend
In conducting state, to determine that the inserting state between the first golden finger 3021 and the second golden finger 304 is normal；And
By judging to locate between the auxiliary golden finger 3022 under inserting state on the first golden finger 3021 and its bearing of trend
In off-state, to determine the exception of the inserting state between the first golden finger 3021 and the second golden finger 304.
Specifically, because the both sides of substrate 301 can connect up, therefore, in the above-mentioned print that the utility model embodiment provides
In printed circuit board, decision element 303 can not only be set with the homonymy of connector 301, can also be set with the heteropleural of connector 301；And
Decision element 303 specifically can be by following but be not limited to following mode and realized：
For example, as shown in Figure 4 b, decision element 303 can include sentencing with the son that auxiliary golden finger 3022 connects one to one
Determine element 303 ', and every sub- decision element 303 ' includes transistor 3031, resistance 3032, detection circuit 3033 and decision circuit
3034；
Wherein, the grid G of transistor 3031 is connected with that can provide the backlight cabling of high pressure on substrate 301, drain D and detection
Node A (any point i.e. between transistor 3031 and resistance 3032 on circuit) connections, source S and the backlight of substrate 301 are walked
Other cablings connection outside line；
One end of resistance 3032 is connected with detection node A, and the other end connects with corresponding auxiliary golden finger 3022；
Circuit 3033 is detected, feeds back to judgement electricity for detecting the curtage at detection node A, and by testing result
Road 3034；
Decision circuit 3034, for when it is determined that the testing result received is identical with default result, judging the first gold medal hand
Inserting state between the golden finger 304 of finger 3021 and second is normal；It is determined that the testing result received is different from default result
When, judge that the inserting state between the first golden finger 3021 and the second golden finger 304 is abnormal, and send alarm signal.
Specifically, in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides, in the first golden finger 3021 and the
After the grafting of two golden finger 304, first voltage controlling transistor 3031 is exported by backlight cabling and opened, and by backlight cabling it
Other outer cablings provide second voltage to sub- decision element 303 ', have the first gold medal of auxiliary golden finger 3022 on bearing of trend
Finger 3021 exports tertiary voltage；If in the conduction state between the first golden finger 3021 and auxiliary golden finger 3022, i.e., first
Golden finger 3021 between the second golden finger 304 and auxiliary golden finger 3022 by forming path, then sub- decision element 303 ' is each
Path is formed between part and the first golden finger 3021, the pressure difference at the sub- both ends of decision element 303 ' is second voltage and tertiary voltage
Difference, now the curtage at detection node A have a fixed value, this fixed value is arranged to default result；If the
It is off between auxiliary golden finger 3022 on one golden finger 3021 and its bearing of trend, then sub- decision element
Form path between 303 ' each part, the pressure difference at the sub- both ends of decision element 303 ' is second voltage, the electric current at detection node A
Or voltage can change accordingly, and it is different from above-mentioned default result.
Based on above-mentioned principle, the testing result received is determined in the decision circuit 3034 of every sub- decision element 303 '
When identical with default result, judge that the inserting state between the first golden finger 3021 and the second golden finger 304 is normal；In any son
When the testing result that the decision circuit 3034 of decision element 303 ' determines to receive is with default result difference, the first golden finger is judged
3021 and the second inserting state between golden finger 304 it is abnormal, and send alarm signal.
Certainly, in the specific implementation, the real-time computing of decision circuit 3034 is can also impart to, so that decision circuit 3034
Obtain in real time and according to the magnitude of voltage of the second voltage provided by other cablings outside backlight cabling, and on bearing of trend
The magnitude of voltage of the tertiary voltage of the first golden finger 3021 output with auxiliary golden finger 3022, calculate the first golden finger 3021 with
Under conditions of auxiliary golden finger 3022 on bearing of trend turns on, the curtage at detection node A；And judge to detect circuit
When the testing result of 3033 feedbacks is identical with result of calculation, the grafting shape between the first golden finger 3021 and the second golden finger 304
State is normal；When detecting the testing result and result of calculation difference that circuit 3033 feeds back, the first golden finger 3021 and the second golden finger
Inserting state between 304 is abnormal, and sends alarm signal.
And in actual applications, determining the inserting state between the first golden finger 3021 and the second golden finger 304 just
Chang Shi, you can to close the voltage output of the first golden finger 3021, and turned off, thought by backlight cabling controlling transistor 3031
Subsequent electronic equipment normal work is prepared；Determining the grafting shape between the first golden finger 3021 and the second golden finger 304
, it is necessary to close the voltage output of the first golden finger 3021 during state exception, and turned off by backlight cabling controlling transistor 3031
Afterwards, grafting the first golden finger 3021 and the second golden finger 304 again, sub- decision element 303 ' and auxiliary golden finger are then passed through
3022 pairs the inserting state of the first golden finger 3021 and the second golden finger 304 judges after grafting again.
And for example, after the 304 normal grafting of the first golden finger 3021 and the second golden finger is determined, for avoid resistance 3032,
Circuit 3033 and the subsequent interference electronic equipment normal work of decision circuit 3034 are detected, it is preferred that in the utility model embodiment
In the above-mentioned printed circuit board (PCB) provided, transistor 3031 can be connected with auxiliary golden finger 3022；Specifically, such as Fig. 4 c institutes
Show, decision element 303 includes the sub- decision element 303 ' to be connected one to one with auxiliary golden finger 3022, every sub- decision element
303 ' include transistor 3031, resistance 3032, detection circuit 3033 and decision circuit 3034；
Wherein, the grid G of transistor 3031 is connected with the backlight cabling of substrate 301, drain D and corresponding auxiliary golden finger
3022 connections, source S are connected with detection node A (any point i.e. between transistor 3031 and resistance 3032 on circuit)；
One end of resistance 3032 is connected with detection node A, the other end and other cablings outside the backlight cabling of substrate 301
Connection；
Circuit 3033 is detected, feeds back to judgement electricity for detecting the curtage at detection node A, and by testing result
Road 3034；
Decision circuit 3034, for when it is determined that the testing result received is identical with default result, judging the first gold medal hand
Inserting state between the golden finger 304 of finger 3031 and second is normal；It is determined that the testing result received is different from default result
When, judge that the inserting state between the first golden finger 3031 and the second golden finger 304 is abnormal, and send alarm signal.
For another example, to simplify the structure of decision element 303, multiple auxiliary golden fingers 3022 can be with crystal sharing pipe 3031, inspection
Slowdown monitoring circuit 3033 and decision circuit 3034, that is to say, that as shown in figure 4d, decision element 303 can also be with multiple golden hands of auxiliary
Refer to and 3022 connect respectively, and decision element 303 include a transistor 3031, one detection circuit 3033, a decision circuit 3034, with
And aid in the multiple resistance 3032 correspondingly of golden finger 3022 with each；
The grid G of transistor 3031 is connected with the backlight cabling of substrate 301, drain D and detection node A (i.e. transistors
Any point between 3031 and each resistance 3032 on main line) connection, other outside the backlight cabling of source S and substrate 301
Cabling connects；
One end of each resistance 3032 is connected with detection node A, and the other end connects with corresponding auxiliary golden finger 3022；
Circuit 3033 is detected, feeds back to judgement electricity for detecting the curtage at detection node A, and by testing result
Road 3034；
Decision circuit 3034, for it is determined that the testing result received (i.e. under inserting state, aids in gold with default result
When the golden finger 3021 of finger 3022 and first is in the conduction state, the curtage at detection node A) it is identical when, judge the
Inserting state between one golden finger 3021 and the second golden finger 304 is normal；It is determined that the testing result received and default knot
During fruit difference, judge that the inserting state between the first golden finger 3021 and the second golden finger 304 is abnormal, and send alarm signal.
It is worth noting that, in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides, the He of circuit 3033 is detected
Decision circuit 3034, it can not only be provided on substrate 301, as shown in Fig. 3 a to Fig. 3 d；Can also according to practical application scene,
It is arranged on the miscellaneous part outside substrate 301, is not specifically limited herein.
Also, well known to a person skilled in the art any circuit with detection curtage function can be used as this
Detection circuit 3033 in utility model embodiment；Well known to a person skilled in the art any circuit with decision-making function
As the decision circuit 3034 in the utility model embodiment, to be not specifically limited herein.
A kind of in addition, judgement hand that detection circuit 3033 and decision circuit 3034, which are only the utility model embodiment, to be provided
Section, in actual applications, can also be judged, the inspection shown in Fig. 3 a to Fig. 3 d using other one or more softwares or hardware
Slowdown monitoring circuit 3033 and decision circuit 3034 should not be construed the restriction to scope of protection of the utility model.
In addition, in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides, transistor 3031 can be film crystalline substance
Body pipe (Thin Film Transistor, TFT) or semiconductor field effect transistor (Metal Oxide
Scmiconductor, MOS), do not limit herein.In specific implementation, the source electrode of these transistors 3031 and drain electrode are according to crystalline substance
The difference of body tubing type and input signal, its function can exchange, and not do specific differentiation herein.
Further, in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides, transistor 3031 is N-type crystal
Pipe or P-type transistor, are not limited herein.Wherein, when transistor 3031 is P-type transistor, it is acted in high potential signal
Lower cut-off, turned under low-potential signal effect；And source electrode is used to access electric signal, drains for exporting electric signal.Work as crystal
When pipe 3031 is N-type transistor, it is turned under high potential signal effect, is ended under low-potential signal effect；And drain electrode is used
In access electric signal, source electrode is used to export electric signal.
It is preferred that to reduce cost of manufacture, in the utility model embodiment offer in above-mentioned printed circuit board (PCB), crystal
Pipe 3031 is using P-channel semiconductor field effect transistor PMOS designs.
Specifically, the utility model embodiment is additionally provided in above-mentioned printed circuit board (PCB), the first golden finger 3021 and
The abnormal schematic diagram of the grafting of two golden finger 304.Specifically divided with the first golden finger 3021 at the left and right sides edge of connector 302
Ju You not be exemplified by auxiliary golden finger 3022 corresponding to one, as shown in Figure 5 a, the first golden finger at the left side edge of connector 302
3021 turn on the second golden finger 304, and auxiliary golden finger 3022 corresponding with the first golden finger 3021 at left side edge with
Second golden finger 304 disconnects, and the first golden finger 3021 at the right side edge of connector 302 turns on the second golden finger 304, and
Disconnected with the 3021 corresponding auxiliary golden finger 3022 of the first golden finger at right side edge with the second golden finger 304；Or as schemed
Shown in 5b, the first golden finger 3021 at the left and right sides edge of connector 302, and with the first gold medal hand at the edge of the left and right sides
Corresponding auxiliary golden finger 3022 disconnects finger 3021 with the second golden finger 304 respectively.
Further, it is abnormal in the first golden finger 3021 and the grafting of the second golden finger 304 it can be seen from Fig. 5 a and Fig. 5 b
When, each second golden finger 304 shows identical slope trend relative to the first golden finger 3021 of corresponding grafting, because
This, if wanting to judge normal grafting between the first whole golden fingers 3021 and the second golden finger 304 of whole, need to only ensure simultaneously
The 304 normal grafting of two the first golden fingers 3021 and the second golden finger of the left and right edges side of connector 302.
Then, it is preferred that in the above-mentioned printed circuit board (PCB) that the utility model embodiment provides, auxiliary golden finger 3022 can
With including one first auxiliary golden finger and one second auxiliary golden finger；
First auxiliary golden finger position is on the bearing of trend of the first golden finger 3021 of the side edge of connector 302, and the
Two auxiliary golden finger positions are on the bearing of trend of the first golden finger 3021 of the offside edge of connector 302.
Specifically, as shown in Fig. 3 a to Fig. 3 d, the first auxiliary golden finger can be located at the at the left side edge of connector 302
On the bearing of trend of one golden finger 3021, the second auxiliary golden finger can be located at the first gold medal hand at the right side edge of connector 302
Refer on 3021 bearing of trend；Or first auxiliary golden finger can be located at the right side edge of connector 302 at the first golden finger
On 3021 bearing of trend, the second auxiliary golden finger can be located at the first golden finger 3021 at the left side edge of connector 302
On bearing of trend, it is not specifically limited herein.
Conceived based on same utility model, the utility model embodiment additionally provides a kind of above-mentioned printed circuit board (PCB) and flexibility
The decision method of inserting state between display panel, because the decision method solves the principle of problem and above-mentioned printed circuit board (PCB)
The principle solved the problems, such as is similar, and therefore, the implementation for the decision method that the utility model embodiment provides may refer to this practicality
The implementation for the above-mentioned printed circuit board (PCB) that new embodiment provides, repeat part and repeat no more.
Specifically, inserting between the utility model embodiment provides a kind of above-mentioned printed circuit board (PCB) and flexible display panels
The decision method of state is connect, as shown in fig. 6, specifically may comprise steps of：
S601, multiple second by multiple first golden fingers and flexible PCB of connector on the substrate of printed circuit board (PCB)
Golden finger corresponds to grafting；
S602, at least one auxiliary golden finger being located on the first golden finger bearing of trend by connector, Yi Jiji
The decision element being connected on plate with auxiliary golden finger, sentences to the inserting state between the first golden finger and the second golden finger
It is fixed.
In the specific implementation, in the above-mentioned decision method that the utility model embodiment provides, step S602 passes through connection
At least one auxiliary golden finger being located on the first golden finger bearing of trend of device, and be connected on substrate with auxiliary golden finger
Decision element, the inserting state between the first golden finger and the second golden finger is judged, can specifically pass through following steps
Realized：
It is in the conduction state between the first golden finger and auxiliary golden finger under judgement inserting state by decision element, really
Fixed inserting state between first golden finger and the second golden finger is normal；And judge the first golden finger and auxiliary gold under inserting state
It is off between finger, determines that the inserting state between the first golden finger and the second golden finger is abnormal.
In the specific implementation, in the above-mentioned decision method that the utility model embodiment provides, decision element can include
With the sub- decision element that connects one to one of auxiliary golden finger, every sub- decision element include transistor, resistance, detection circuit and
Decision circuit；
Now, at least one auxiliary gold hand being located on the first golden finger bearing of trend that step S602 passes through connector
Refer to, and the decision element being connected on substrate with auxiliary golden finger, to the grafting shape between the first golden finger and the second golden finger
State is judged, can specifically be realized by following steps：
The backlight cabling output first voltage controlling transistor of substrate is opened；
Other cablings outside the backlight cabling of substrate export second voltage to the source electrode of transistor；
There is the first golden finger output tertiary voltage of auxiliary golden finger on bearing of trend；
The curtage at electric circuit inspection detection node is detected, and testing result is fed back into decision circuit；
When the decision circuit of every sub- decision element determines that the testing result that receives is identical with default result, judgement
Inserting state between first golden finger and the second golden finger is normal；Determine to receive in the decision circuit of any sub- decision element
Testing result and default result difference when, judge that the inserting state between the first golden finger and the second golden finger is abnormal, concurrently
Go out alarm signal.
In the specific implementation, for avoid resistance 3032, detection circuit 3033 and the subsequent interference electronics of decision circuit 3034 set
Standby normal work, it is preferred that in the above-mentioned decision method that the utility model embodiment provides, decision element includes and auxiliary gold
The sub- decision element that finger connects one to one, every sub- decision element include transistor, resistance, detection circuit and judge electricity
Road；
Now, at least one auxiliary gold hand being located on the first golden finger bearing of trend that step S602 passes through connector
Refer to, and the decision element being connected on substrate with auxiliary golden finger, to the grafting shape between the first golden finger and the second golden finger
State is judged, can specifically be realized by following steps：
The backlight cabling output first voltage controlling transistor of substrate is opened；
Other cablings outside the backlight cabling of substrate export second voltage to resistance；
There is the first golden finger output tertiary voltage of auxiliary golden finger on bearing of trend；
The curtage at electric circuit inspection detection node is detected, and testing result is fed back into decision circuit；
When the decision circuit of every sub- decision element determines that the testing result that receives is identical with default result, judgement
Inserting state between first golden finger and the second golden finger is normal；Determine to receive in the decision circuit of any sub- decision element
Testing result and default result difference when, judge that the inserting state between the first golden finger and the second golden finger is abnormal, concurrently
Go out alarm signal.
In the specific implementation, to simplify the structure of decision element, in the above-mentioned judgement side that the utility model embodiment provides
In method, decision element can also be connected respectively with multiple auxiliary golden fingers, and decision element includes transistor, detection circuit, sentenced
Determine circuit and aid in golden finger multiple resistance correspondingly with each；
Now, at least one auxiliary gold hand being located on the first golden finger bearing of trend that step S602 passes through connector
Refer to, and the decision element being connected on substrate with auxiliary golden finger, to the grafting shape between the first golden finger and the second golden finger
State is judged, can specifically be realized by following steps：
The backlight cabling output first voltage controlling transistor of substrate is opened；
Other cablings outside the backlight cabling of substrate export second voltage to the source electrode of transistor；
There is the first golden finger output tertiary voltage of auxiliary golden finger on bearing of trend；
The curtage at electric circuit inspection detection node is detected, and testing result is fed back into decision circuit；
Decision circuit judges the first golden finger and the second gold medal when it is determined that the testing result received is identical with default result
Inserting state between finger is normal；When it is determined that the testing result received is with default result difference, the first golden finger is judged
Inserting state between the second golden finger is abnormal, and sends alarm signal.
In the specific implementation, in the above-mentioned decision method that the utility model embodiment provides, the first golden finger is being judged
After inserting state between the second golden finger is normal, can also carry out following steps, think that Subsequent electronic equipment is normal on
Electricity is prepared：
Turn off the tertiary voltage output of first golden finger on bearing of trend with auxiliary golden finger；
Backlight cabling exports the shut-off of the 4th voltage-controlled transistor.
In the specific implementation, in the above-mentioned decision method that the utility model embodiment provides, the first golden finger is being judged
Inserting state between the second golden finger is abnormal, and after sending alarm signal, can also carry out following steps：
Again the inserting state between the first golden finger and the second golden finger after grafting is judged.
Below so that printed circuit board (PCB) and flexible PCB are applied in lighting-up equipment as an example, the utility model embodiment is carried
The above-mentioned printed circuit board (PCB) and its decision method of the inserting state between flexible PCB supplied is described in detail.
Specifically, as shown in Figure 4 b, on the substrate 301 of printed circuit board (PCB) the left and right sides edge of connector 302 first
Be respectively provided with the bearing of trend of golden finger 3,021 one auxiliary golden finger 3022, decision element 303 include two respectively with
The sub- decision element 303 ' for aiding in golden finger 3022 to connect.And with the transistor 3031 in sub- decision element 303 ' it is P-channel half
Illustrated exemplified by conductor field-effect transistor.
After lighting-up equipment starts, two sub- decision elements 303 ' are first passed through to the first golden finger 3021 and flexible PCB
The inserting state of second golden finger 304 is judged, after judging that grafting is normal, then is carried out electric in normal lighting；Judging
Alarm signal is then sent during grafting exception, and again by two sub- decision elements 303 ' to the first golden finger after grafting again
3021 are judged with the inserting state of the second golden finger 304.
Specifically, after lighting-up equipment starts, the backlight cabling output first voltage of substrate 301 controls two P-channels partly to lead
Body field-effect transistor is separately turned on；Other cablings outside the backlight cabling of substrate 301 are to two P-channel semiconductor fields
Transistor provides second voltage respectively；Two the first golden fingers 3021 corresponding to two auxiliary golden fingers 3022 export the 3rd respectively
Voltage；Also, usually, second voltage is more than tertiary voltage；Two detection circuits 3033 detect the electricity at detection node A respectively
Stream or voltage, and testing result is fed back into corresponding decision circuit 3034.
When two decision circuits 3034 determine that the testing result that receives is identical with default result, the first gold medal hand is judged
Inserting state between the golden finger 304 of finger 3021 and second is normal；Two the first golden fingers 3021 at left and right edges are turned off afterwards
Tertiary voltage output；And the 4th voltage is exported by backlight cabling and controls P-channel semiconductor field effect transistor to turn off；Specifically
Ground, the first voltage that control P-channel semiconductor field effect transistor is opened are less than control P-channel semiconductor field effect transistor and closed
The 4th disconnected voltage, usually, the voltage of backlight normal work is arranged to control the shut-off of P-channel semiconductor field effect transistor
The 4th voltage.Because backlight cabling can provide higher shut-off voltage so that the shut-off of P-channel semiconductor field effect transistor
State it is more preferable, be more beneficial for finally carrying out in normal lighting electric.
When the testing result that any decision circuit 3034 determines to receive is with default result difference, the first golden finger is judged
3021 and the second inserting state between golden finger 304 it is abnormal, equipment alarm；In the first golden finger of grafting 3021 and second again
After golden finger 304, using two sub- decision elements 303 ' to the first golden finger 3021 and the second golden finger 304 after grafting again
Between inserting state judged again, to the 304 normal grafting of the first golden finger 3021 and the second golden finger, be easy to normal
It is electric in lighting.
The above-mentioned printed circuit board (PCB) that the utility model embodiment provides, including a substrate, it is fixed on substrate and is used to connect
The connector of flexible PCB and the decision element being connected with connector；Wherein, connector include multiple first golden fingers and
At least one auxiliary golden finger, and the first golden finger and auxiliary golden finger are separate；Each first golden finger, is used for and flexible electrical
Multiple second golden fingers of road plate correspond to grafting；Golden finger position is aided on the bearing of trend of the first golden finger, and positioned at first
The side of golden finger grafting corresponding with the second golden finger；Decision element is connected with auxiliary golden finger, and golden finger is aided in for cooperateing with
Inserting state between first golden finger and the second golden finger is judged.By setting up auxiliary golden finger on the connectors,
And cooperate with the decision element being connected with the auxiliary golden finger set up on substrate, can be achieved to the first golden finger of connector and
The judgement of inserting state between second golden finger of flexible PCB, so that in actual application, it can sentence
Make inserting state it is normal after, then power on operation is carried out to equipment, and then has effectively evaded extremely caused high current of grafting etc.
Risk, reduce loss from spoilage, improve equipment yield.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation makes a distinction with another entity or operation, and not necessarily require or imply to exist between these entities or operation and appoint
What this actual relation or order.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (6)
1. a kind of printed circuit board (PCB), including a substrate, it is characterised in that also include：It is fixed on the substrate soft for connecting
The connector of property circuit board, and the decision element being connected with the connector；
Wherein, the connector includes multiple first golden fingers and at least one auxiliary golden finger, and first golden finger with
The auxiliary golden finger is separate；
Each first golden finger, for grafting corresponding with multiple second golden fingers of the flexible PCB；
The auxiliary golden finger position is on the bearing of trend of first golden finger, and positioned at first golden finger and described the
Two golden fingers correspond to the side of grafting；
The decision element be connected with the auxiliary golden finger, for cooperateing with the auxiliary golden finger to first golden finger and
Inserting state between second golden finger is judged.
2. printed circuit board (PCB) as claimed in claim 1, it is characterised in that the decision element, be specifically used for：
It is in the conduction state between the auxiliary golden finger under judgement inserting state on first golden finger and bearing of trend,
Inserting state between first golden finger and second golden finger is normal；And
Judge to be off between the auxiliary golden finger under inserting state on first golden finger and bearing of trend,
Inserting state between first golden finger and second golden finger is abnormal.
3. printed circuit board (PCB) as claimed in claim 1 or 2, it is characterised in that the decision element includes and the auxiliary gold
The sub- decision element that finger connects one to one, each sub- decision element include transistor, resistance, detection circuit and judgement
Circuit；
Wherein, the grid of the transistor is connected with the backlight cabling of the substrate, and drain electrode is connected with detection node, source electrode and institute
State other cablings connection outside the backlight cabling of substrate；
One end of the resistance is connected with the detection node, the other end and the corresponding auxiliary golden finger connection；
The detection circuit, for detecting the curtage at the detection node, and testing result is fed back to and described sentenced
Determine circuit；
The decision circuit, for when it is determined that the testing result received is identical with default result, judging described first
Inserting state between golden finger and second golden finger is normal；It is determined that the testing result and default result that receive
When different, judge that the inserting state between first golden finger and second golden finger is abnormal, and send alarm signal.
4. printed circuit board (PCB) as claimed in claim 1 or 2, it is characterised in that the decision element includes and the auxiliary gold
The sub- decision element that finger connects one to one, each sub- decision element include transistor, resistance, detection circuit and judgement
Circuit；
Wherein, the grid of the transistor is connected with the backlight cabling of the substrate, drain electrode and the corresponding auxiliary golden finger
Connection, source electrode are connected with detection node；
One end of the resistance is connected with the detection node, other outside the backlight cabling of the other end and the substrate
Cabling connects；
The detection circuit, for detecting the curtage at the detection node, and testing result is fed back to and described sentenced
Determine circuit；
The decision circuit, for when it is determined that the testing result received is identical with default result, judging described first
Inserting state between golden finger and second golden finger is normal；It is determined that the testing result and default result that receive
When different, judge that the inserting state between first golden finger and second golden finger is abnormal, and send alarm signal.
5. printed circuit board (PCB) as claimed in claim 1 or 2, it is characterised in that the decision element and multiple auxiliary gold
Finger connects respectively, the decision element include transistor, detection circuit, decision circuit and with each auxiliary golden finger
One-to-one multiple resistance；
The grid of the transistor is connected with the backlight cabling of the substrate, and drain electrode is connected with detection node, source electrode and the base
Other cablings connection outside the backlight cabling of plate；
One end of each resistance is connected with the detection node, the other end and the corresponding auxiliary golden finger connection；
The detection circuit, for detecting the curtage at the detection node, and testing result is fed back to and described sentenced
Determine circuit；
The decision circuit, for when it is determined that the testing result received is identical with default result, judging described first
Inserting state between golden finger and second golden finger is normal；It is determined that the testing result and default result that receive
When different, judge that the inserting state between first golden finger and second golden finger is abnormal, and send alarm signal.
6. printed circuit board (PCB) as claimed in claim 1 or 2, it is characterised in that the auxiliary golden finger include one it is first auxiliary
Help golden finger and one second auxiliary golden finger；
The first auxiliary golden finger position is on the bearing of trend of first golden finger of connector side edge, institute
The second auxiliary golden finger position is stated on the bearing of trend of first golden finger of the connector offside edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221546.5U CN207150964U (en) | 2017-09-21 | 2017-09-21 | A kind of printed circuit board (PCB) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221546.5U CN207150964U (en) | 2017-09-21 | 2017-09-21 | A kind of printed circuit board (PCB) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207150964U true CN207150964U (en) | 2018-03-27 |
Family
ID=61668444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721221546.5U Withdrawn - After Issue CN207150964U (en) | 2017-09-21 | 2017-09-21 | A kind of printed circuit board (PCB) |
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| Country | Link |
|---|---|
| CN (1) | CN207150964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677926A (en) * | 2017-09-21 | 2018-02-09 | 京东方科技集团股份有限公司 | Printed circuit board (PCB) and its between flexible PCB inserting state decision method |
-
2017
- 2017-09-21 CN CN201721221546.5U patent/CN207150964U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677926A (en) * | 2017-09-21 | 2018-02-09 | 京东方科技集团股份有限公司 | Printed circuit board (PCB) and its between flexible PCB inserting state decision method |
| US10884075B2 (en) | 2017-09-21 | 2021-01-05 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Printed circuit board, method for determining engagement state between printed circuit board and flexible printed circuit and display device |
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Granted publication date: 20180327 Effective date of abandoning: 20190924 |