CN207692126U - A kind of printed circuit board - Google Patents
A kind of printed circuit board Download PDFInfo
- Publication number
- CN207692126U CN207692126U CN201721006616.5U CN201721006616U CN207692126U CN 207692126 U CN207692126 U CN 207692126U CN 201721006616 U CN201721006616 U CN 201721006616U CN 207692126 U CN207692126 U CN 207692126U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- insulating layer
- layer
- board body
- top layer
- Prior art date
- 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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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model embodiment discloses a kind of printed circuit board, including circuit board body, top layer, via, bottom, the first insulating layer, middle layer and second insulating layer, the circuit board body includes top layer, bottom, the first insulating layer, middle layer and second insulating layer；The lower surface of the top layer is provided with second insulating layer；The top layer includes solder mask, silk-screen film, pad and helps weldering film；The topsheet surface is provided with silk-screen film；It is provided with solder mask in the silk-screen film；The solder mask is fixedly connected with pad；The pad, which is fixedly connected, helps weldering film；The lower surface of the second insulating layer is provided with middle layer；The lower surface of the middle layer is provided with the first insulating layer；The lower surface of first insulating layer is provided with bottom；It is provided with chip on the bottom；It is fixedly connected with via in the circuit board body.The model of the chip is CY8C24533.The advantageous effect of the utility model is to avoid short circuit, increases mileage travelled 15%.
Description
Technical field
The utility model is related to art of printed circuit boards, more particularly to a kind of printed circuit board
Background technology
Battery truck circuit is mainly made of three parts, i.e.,：Storage battery（Power is provided）, controller（Control motor it is fast, it is slow,
Forward and backward etc.）, motor（Wheel is driven to turn）.Controller is made of electronic component, thus needs to use circuit
Plate connects electronic component, goes to complete control function, circuit board controls the advance of battery truck, retroversion, adds completely
The working condition of the motors such as speed, deceleration.
But there are, without bottom silk-screen, thus be easy to happen on mainboard because connecting when wicking on mainboard for current printed circuit board
Tin, and the chip model for causing short circuit, and using now is STM8S903K3, can not realize single Hall selfreparing；Without setting
Soft under-voltage, mileage travelled is shorter.
Utility model content
The utility model provides a kind of printed circuit board, can solve in the prior art, to easily cause short circuit, stroke is shorter
The problem of.
The utility model provides a kind of printed circuit board, including circuit board body, top layer, via, bottom, the first insulation
Layer, middle layer and second insulating layer, the circuit board body include top layer, bottom, the first insulating layer, middle layer and the second insulation
Layer；The lower surface of the top layer is provided with second insulating layer；The top layer includes solder mask, silk-screen film, pad and helps weldering film；Institute
It states topsheet surface and is provided with silk-screen film；It is provided with solder mask in the silk-screen film；The solder mask is fixedly connected with pad；It is described
Pad, which is fixedly connected, helps weldering film；The lower surface of the second insulating layer is provided with middle layer；The lower surface of the middle layer is set
It is equipped with the first insulating layer；The lower surface of first insulating layer is provided with bottom；It is provided with chip on the bottom；The circuit
It is fixedly connected with via on plate ontology.
Preferably, the model CY8C24533 of the chip.
Preferably, the arbitrary gap of the topsheet surface is both provided with the silk-screen film of green.
Preferably, being provided with several vias in the circuit board body.
Preferably, being provided with several pads on the top layer.
In the utility model embodiment, a kind of printed circuit board is provided, it, can be with by being provided with the top layer of circuit board body
Circuit for circuit board body part connects, and by being provided with silk-screen film on the top layer of circuit board body, avoids circuit board sheet
Connect tin when wicking on body and cause short circuit, copper wire can be protected, is also prevented from part and is soldered to incorrect place, by setting
It is equipped with top layer, bottom, the first insulating layer, middle layer and the second insulating layer of circuit board body, wiring can be considerably increased
Area so that circuit board body is more accurate, more attractive, the pad of the top layer by being provided with circuit board body, for welding electricity
Electronic component is bonded together with circuit according to design requirement by the connection medium of the electronic component on the plate ontology of road, pad, from
And the circuit function of circuit board body is made to be achieved, pass through the chip being provided on the bottom of circuit board body, the type of chip
Number it is CY8C24533, which can realize single Hall selfreparing；It is arranged soft under-voltage, is assemblied on electric vehicle, can increase in traveling
Journey 15%.
Description of the drawings
Fig. 1 is a kind of printed circuit board arrangement schematic diagram provided by the utility model；
Fig. 2 is a kind of top level structure schematic diagram of printed circuit board provided by the utility model；
Fig. 3 is a kind of fabric schematic diagram of printed circuit board provided by the utility model.
Reference sign：1- circuit board bodies；2- top layers；21- solder masks；22- silk-screen films；23- pads；24- welding resistances
Film；3- vias；4- bottoms；41- chips；The first insulating layers of 5-；6- middle layers；7- second insulating layers.
Specific implementation mode
Below in conjunction with the accompanying drawings, a specific implementation mode of the utility model is described in detail, it is to be understood that this
The protection domain of utility model is not restricted by specific implementation.
A kind of printed circuit board that the utility model embodiment provides, including circuit board body 1, top layer 2, via 3, bottom
4, the first insulating layer 5, middle layer 6 and second insulating layer 7, the circuit board body 1 include top layer 2, bottom 4, the first insulating layer
5, middle layer 6 and second insulating layer 7；The lower surface of the top layer 2 is provided with second insulating layer 7；The top layer 2 includes solder mask
21, silk-screen film 22, pad 23 and help weldering film 24；2 surface of the top layer is provided with silk-screen film 22；It is provided in the silk-screen film 22
Solder mask 21；The solder mask 21 is fixedly connected with pad 23；The pad 23, which is fixedly connected, helps weldering film 24；Described second absolutely
The lower surface of edge layer 7 is provided with middle layer 6；The lower surface of the middle layer 6 is provided with the first insulating layer 5；First insulation
The lower surface of layer 5 is provided with bottom 4；Chip 41 is provided on the bottom 4；It was fixedly connected in the circuit board body 1
Hole 3.The model of the chip 41 is CY8C24533.The arbitrary gap on 2 surface of the top layer is both provided with the silk-screen film of green
22.Several vias 3 are provided in the circuit board body 1.Several pads 23 are provided on the top layer 2.
Operation principle：By being provided with the top layer 2 of circuit board body 1, the circuit that can be used for 1 part of circuit board body connects
It connects, by being provided with silk-screen film 22 on the top layer 2 of circuit board body 1, avoids connecting tin when wicking in circuit board body 1 and causing
Short circuit can protect copper wire, be also prevented from part and be soldered to incorrect place, by the top for being provided with circuit board body 1
Layer 2, bottom 4, the first insulating layer 5, middle layer 6 and second insulating layer 7, can considerably increase the area of wiring so that circuit
Plate ontology 1 is more accurate, more attractive, the pad 23 of the top layer 2 by being provided with circuit board body 1, is used for soldered circuit board ontology 1
On electronic component connection medium, electronic component is bonded together with circuit according to design requirement by pad 23, to make electricity
The circuit function of road plate ontology 1 is achieved, and passes through the chip 41 being provided on the bottom 4 of circuit board body 1, the type of chip 41
Number it is CY8C24533, which can realize single Hall selfreparing；It is arranged soft under-voltage, is assemblied on electric vehicle, can increase in traveling
Journey 15%.
Disclosed above is only specific embodiment of the utility model, and still, the utility model embodiment is not limited to
This, the changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (5)
1. a kind of printed circuit board, it is characterised in that：Including circuit board body（1）, top layer（2）, via（3）, bottom（4）,
One insulating layer（5）, middle layer（6）And second insulating layer（7）, the circuit board body（1）Including top layer（2）, bottom（4）,
One insulating layer（5）, middle layer（6）And second insulating layer（7）；The top layer（2）Lower surface be provided with second insulating layer（7）；
The top layer（2）Including solder mask（21）, silk-screen film（22）, pad（23）With help weldering film（24）；The top layer（2）Surface is arranged
There is silk-screen film（22）；The silk-screen film（22）On be provided with solder mask（21）；The solder mask（21）It is fixedly connected with pad
（23）；The pad（23）It is fixedly connected and helps weldering film（24）；The second insulating layer（7）Lower surface be provided with middle layer
（6）；The middle layer（6）Lower surface be provided with the first insulating layer（5）；First insulating layer（5）Lower surface be provided with
Bottom（4）；The bottom（4）On be provided with chip（41）；The circuit board body（1）On be fixedly connected with via（3）.
2. a kind of printed circuit board as described in claim 1, which is characterized in that the chip（41）Model
CY8C24533。
3. a kind of printed circuit board as described in claim 1, which is characterized in that the top layer（2）The arbitrary gap on surface
It is both provided with the silk-screen film of green（22）.
4. a kind of printed circuit board as described in claim 1, which is characterized in that the circuit board body（1）It is provided on if
Dry via（3）.
5. a kind of printed circuit board as described in claim 1, which is characterized in that the top layer（2）On be provided with several welderings
Disk（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721006616.5U CN207692126U (en) | 2017-08-13 | 2017-08-13 | A kind of printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721006616.5U CN207692126U (en) | 2017-08-13 | 2017-08-13 | A kind of printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207692126U true CN207692126U (en) | 2018-08-03 |
Family
ID=62987804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721006616.5U Expired - Fee Related CN207692126U (en) | 2017-08-13 | 2017-08-13 | A kind of printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207692126U (en) |
-
2017
- 2017-08-13 CN CN201721006616.5U patent/CN207692126U/en not_active Expired - Fee Related
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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: 20180803 Termination date: 20200813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |