CN206114088U - Circuit board and have electronic scale of circuit board - Google Patents
Circuit board and have electronic scale of circuit board Download PDFInfo
- Publication number
- CN206114088U CN206114088U CN201621038294.8U CN201621038294U CN206114088U CN 206114088 U CN206114088 U CN 206114088U CN 201621038294 U CN201621038294 U CN 201621038294U CN 206114088 U CN206114088 U CN 206114088U
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- China
- Prior art keywords
- circuit board
- partition grooves
- pad
- electronic scale
- edge
- 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.)
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- 238000005192 partition Methods 0.000 claims description 55
- 241000826860 Trapezium Species 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 7
- 229910000679 solder Inorganic materials 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Combinations Of Printed Boards (AREA)
Abstract
The utility model discloses a circuit board and have the electronic scale of this circuit board, the circuit board includes two at least pads, be equipped with between the adjacent pad and run through main circuit board's wall groove, the length of cutting off the groove is greater than the pad arrives the distance at main circuit board edge. The technical scheme of the utility model adopt to cut off the groove and can follow physics and reduce the contact between the pad of each solder joint, prevent that the relict scaling powder in welding back from causing the pad intercommunication between the adjacent solder joint to form resistance because of adsorbing steam, and influence the signal of telecommunication, improved the humidity resistance of circuit board, the reliability of assurance electronic scale work.
Description
Technical field
This utility model is related to field of measuring techniques, more particularly to a kind of circuit board and the electronic scale with circuit board.
Background technology
The operation principle of electronic scale gathers weight data generally by pressure transducer, generates small analog electrical signal
With the analog-digital converter on wire transmission to circuit board, analog-digital converter is converted into analog electrical signal after digital signal, then leads to
Cross single-chip microcomputer to process digital signal and be converted to weight amount in display display processing.
The wire for being presently used for transmitting analog electrical signal is all welded on circuit board, can be in weldering after the completion of welding
Plate edge leaves the remnants of many scaling powders, and the poor sealing of most of electronic scale, it is empty on rainy day or wet season
Gas high humidity, has inside more steam immersion electronic scale, causes between adjacent welds because scaling powder easily adsorbs aqueous vapor
Pad connects to form resistance, can produce large effect to faint sensor signal, and the weighing for ultimately resulting in electronic scale is forbidden
Really.
Utility model content
Main purpose of the present utility model is to provide a kind of circuit board and the electronic scale with the circuit board, it is intended to improve electricity
The humidity resistance of road plate, it is ensured that the reliability of electronic scale work.
For achieving the above object, the utility model proposes circuit board include at least two pads, the adjacent pad
Between be provided with partition grooves through the main circuit board, the length of the partition grooves is more than the pad to the main circuit edges of boards
The distance of edge.
Preferably, the length direction of the partition grooves is perpendicular with the line of centres of two adjacent pads.
Preferably, the partition grooves are located at the edge of the circuit board.
Preferably, the partition grooves are linear structure.
Preferably, the partition grooves are disposed in parallel relation to one another between the adjacent pad.
Preferably, the partition grooves located at the circuit board edge, the partition grooves be trapezium structure, the partition grooves
Width be gradually reduced along the direction away from the board edge.
Preferably, the partition grooves are located at the edge of the circuit board, and the partition grooves are trapezium structure, described adjacent
The width of partition grooves is contrary along the direction change trend away from the board edge.
This utility model also proposes a kind of electronic scale, and the electronic scale includes circuit board, the modulus being arranged on circuit board
Transducer and processor, and the pressure transducer being connected with the board lead, the circuit board is preceding claim
Circuit board described in any one, the wire is welded on the pad of circuit board, the analog-digital converter respectively with it is described
Pad and the processor are electrically connected.
Preferably, the processor is single-chip microcomputer.
Circuit board in technical solutions of the utility model includes at least two pads, is provided between the adjacent pad and passes through
The partition grooves of the main circuit board are worn, the length of the partition grooves is more than the pad to the distance at the main circuit board edge.
The contact between the pad of each solder joint can physically be reduced using partition grooves, remaining scaling powder is because of absorption after preventing from welding
Steam causes the pad between adjacent welds to connect to form resistance, and affects the signal of telecommunication, improves the humidity resistance of circuit board, protects
The reliability of card electronic scale work.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, other accompanying drawings can be obtained with the structure according to these accompanying drawings.
Fig. 1 is the structural representation of this utility model circuit board embodiment one；
Fig. 2 is the structural representation of this utility model circuit board embodiment two；
Fig. 3 is the structural representation of this utility model circuit board embodiment three；
Fig. 4 is the structural representation of this utility model circuit board embodiment four.
Drawing reference numeral explanation：
The realization of this utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of this utility model protection.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in this utility model embodiment
It is only used for explaining in relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each part etc., such as
When really the particular pose changes, then directionality indicates also correspondingly to change therewith.
In addition, and can not manage such as relating to the description of " first ", " second " etc. is only used for describing purpose in this utility model
Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " many in description of the present utility model
It is individual " it is meant that at least two, such as two, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " can be fixedly connected, or be detachably connected, or integral；Can be mechanically connected, also may be used
Be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals
Or the interaction relationship of two elements, unless otherwise clearly restriction.For the ordinary skill in the art, can be with
Concrete meaning of the above-mentioned term in this utility model is understood as the case may be.
In addition, the technical scheme between this utility model each embodiment can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or cannot realize
The combination of this technical scheme is not present, also not within the protection domain that this utility model is required.
Fig. 1 is refer to, in embodiment of the present utility model, circuit board 10 includes at least two pads 11, described adjacent
Pad 11 between be provided with partition grooves 12 through the circuit board 10, the length of the partition grooves 12 is arrived more than the pad 11
The distance at the edge of the main circuit board 10.
The contact between the pad 11 of each solder joint can physically be reduced using partition grooves 12, remnants after preventing from welding
Scaling powder causes the connection of pad 11 between adjacent welds to form resistance because adsorbing steam, and affects the signal of telecommunication, improves circuit
The humidity resistance of plate 10, it is ensured that the reliability of electronic scale work.
It is to be appreciated that the shape of partition grooves 12 is rectangle, can also be trapezoidal.Preferably, the length of partition grooves 12
Degree direction is perpendicular with the line of centres of two adjacent pads 11.
Fig. 2 is refer to, embodiment of the present utility model two is arranged in electronic scale with circuit board 10 and is explained, electronics
Scale includes circuit board 10, the analog-digital converter 20 and processor 30 being arranged on circuit board 10, and leads with the circuit board 10
The pressure transducer 40 of the connection of line 50, the wire 50 is welded on the pad 11 of circuit board 10, the adjacent pad 11 it
Between be provided with partition grooves 12.Similarly, arbitrfary point is any on another pad 11 on a wherein pad 11 on two neighboring pad 11
The line of any is separated by the partition grooves 12.
Specifically, the length direction of the partition grooves 12 is perpendicular with the line of centres of two adjacent pads 11.
In the present embodiment, the length direction of partition grooves 12 is perpendicular with the line of centres of two adjacent pads 11, energy
Enough prevent the scaling powder residue between the pad 11 of adjacent welds from forming resistance because making moist conducting adjacent welds, simple structure,
It is with low cost.
Preferably, the partition grooves 12 are located at the edge of the circuit board 10.
Partition grooves 12 can be easy to located at the edge of the circuit board 10 while 12 shield effectiveness of partition grooves is ensured
Generate manufacture.
Preferably, the partition grooves 12 are linear structure.
Partition grooves 12 are succinct linear structure, can preferably prevent the scaling powder between the pad 11 of adjacent welds
Residue forms resistance because making moist conducting adjacent welds, and simple structure, with low cost.
Preferably, the partition grooves 12 are disposed in parallel relation to one another between the adjacent pad 11.
Partition grooves 12 are disposed in parallel relation to one another between the adjacent pad 11, partition grooves 12 can be made to circuit board 10
Stress distribution is more uniform, affects minimum to structural strength.
Fig. 3 is refer to, embodiment of the present utility model three, the partition grooves 12 are located at the edge of the circuit board 10, institute
It is trapezium structure to state partition grooves 12, and the width of the partition grooves 12 gradually subtracts along the direction away from the edge of the circuit board 10
It is little..
Used as further improvement, the present embodiment arranges the partition grooves 12 of trapezium structure around pad 11, is solder joint
Periphery realizes shielding, significantly improves the humidity resistance of electronic scale.
Fig. 4 is refer to, example IV of the present utility model, the partition grooves 12 are located at the edge of the circuit board 10, institute
It is trapezium structure to state partition grooves 12, and the width of the adjacent partition grooves 12 becomes along the direction away from the edge of the circuit board 10
Change trend is contrary.
Used as further improving, the partition grooves 12 of embodiment three are similarly trapezium structure, and adjacent partition grooves 12
Between opening direction conversely, partition grooves 12 can be made more uniform to the stress distribution of circuit board 10, structural strength is affected
It is minimum；The shielding of the butt welding point steam of partition grooves 12 is more uniform effective, affects minimum to the electric property of circuit board 10.
This utility model also proposes a kind of electronic scale, and the electronic scale includes circuit board 10, is arranged on circuit board 10
Analog-digital converter 20 and processor 30, and the pressure transducer 40 being connected with the wire of the circuit board 10, the circuit board 10
Circuit board described in any one described in preceding claim, the wire 50 is welded on the pad 11 of circuit board 10, described
Analog-digital converter 20 is electrically connected respectively with the pad 11 and the processor 30.
Concrete structure reference above-described embodiment of the circuit board 10, because this electronic scale employs above-mentioned all embodiments
Whole technical schemes, therefore all beneficial effects that at least technical scheme with above-described embodiment is brought, here is not another
One repeats.
Preferably, the processor 30 is single-chip microcomputer.
Also known as single chip microcontroller, it has single-chip microcomputer equivalent on a Computer systems a to chip
The advantages of low-power consumption, high reliability, strong environmental adaptability, it is well suited as the processor of electronic scale.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
It is every under design of the present utility model, the equivalent structure transformation made using this utility model description and accompanying drawing content, or
Directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.
Claims (9)
1. a kind of circuit board, it is characterised in that including at least two pads, be provided with through institute between two adjacent pads
The partition grooves of circuit board are stated, the length of the partition grooves is more than the pad to the distance of the board edge.
2. circuit board as claimed in claim 1, it is characterised in that the length direction of the partition grooves and two adjacent pads
The line of centres it is perpendicular.
3. circuit board as claimed in claim 2, it is characterised in that the partition grooves are located at the edge of the circuit board.
4. circuit board as claimed in claim 3, it is characterised in that the partition grooves are linear structure.
5. circuit board as claimed in claim 3, it is characterised in that the partition grooves are disposed in parallel relation to one another in the adjacent pad
Between.
6. circuit board as claimed in claim 1, it is characterised in that the partition grooves are described located at the edge of the circuit board
Partition grooves are trapezium structure, and the width of the partition grooves is gradually reduced along the direction away from the board edge.
7. circuit board as claimed in claim 1, it is characterised in that the partition grooves are described located at the edge of the circuit board
Partition grooves are trapezium structure, and the width of the adjacent partition grooves is along the direction change trend phase away from the board edge
Instead.
8. a kind of electronic scale, it is characterised in that the electronic scale includes circuit board, the analog-digital converter being arranged on circuit board and
Processor, and the pressure transducer being connected with the board lead, the circuit board is described in any one of claim 1-7
Circuit board, the wire is welded on the pad of circuit board, the analog-digital converter respectively with the pad and the process
Device is electrically connected.
9. electronic scale as claimed in claim 8, it is characterised in that the processor is single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038294.8U CN206114088U (en) | 2016-09-05 | 2016-09-05 | Circuit board and have electronic scale of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038294.8U CN206114088U (en) | 2016-09-05 | 2016-09-05 | Circuit board and have electronic scale of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206114088U true CN206114088U (en) | 2017-04-19 |
Family
ID=58519388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621038294.8U Active CN206114088U (en) | 2016-09-05 | 2016-09-05 | Circuit board and have electronic scale of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206114088U (en) |
-
2016
- 2016-09-05 CN CN201621038294.8U patent/CN206114088U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240328 Address after: 410000 Room 201, building C12, Jinrong Wangcheng science and Technology Industrial Park, No. 858, Purui West Road, Wangcheng economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: Hunan xinyide Technology Co.,Ltd. Country or region after: China Address before: 518000 a412, 4th floor, block a, Shenzhen famous industrial products exhibition and procurement center, Baoyuan Road, Xixiang street, Bao'an District, Shenzhen, Guangdong Patentee before: SHENZHEN SOLIDIC TECHNOLOGY CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right |