CN106055461A - Optimization design method of dust removal prompting method for printed circuit board - Google Patents
Optimization design method of dust removal prompting method for printed circuit board Download PDFInfo
- Publication number
- CN106055461A CN106055461A CN201610454109.1A CN201610454109A CN106055461A CN 106055461 A CN106055461 A CN 106055461A CN 201610454109 A CN201610454109 A CN 201610454109A CN 106055461 A CN106055461 A CN 106055461A
- Authority
- CN
- China
- Prior art keywords
- printed circuit
- circuit board
- pcb
- photoconductive resistance
- point source
- 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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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
- G06F11/324—Display of status information
- G06F11/325—Display of status information by lamps or LED's
Abstract
The invention discloses an optimization design method of a dust removal prompting method for a printed circuit board. A dust monitor comprising two parts, namely a point light source and a photo-resistor is added to the printed circuit board; the photo-resistor converts an optical signal into an exportable electric signal by a change of the illumination intensity received by the photo-resistor, and transmits the electric signal to a system management chipset at a mainboard side; and when the current condition of dust removal is reached, a user is prompted to carry out dust removal. An existing dust removal prompting method is optimized; the structure is simplified; the cost is reduced; the service lifetime is greatly prolonged; and the market competitiveness is improved.
Description
Technical field
The present invention relates to a kind of server and PC hardware and software field, specifically one printed circuit board (PCB) is removed
The Optimization Design of dirt reminding method.
Background technology
Current server can produce a lot of heats during running, in order to be distributed by these heats, logical
Chang Douhui uses the mode of fan wind-cooling heat dissipating to discharge heat.In the process, device interior and outside cross-ventilation, hold very much
Easily bring dust into device interior.Dust can entrapped moisture and corrosive deposit, behind access arrangement inside, can electronic devices and components,
The surface depositions such as printed circuit board (PCB), various parts, mechanism member.Electronic element radiating ability is caused to decline, the big calorimetric of long-term accumulation
Amount then can cause equipment job insecurity, and serious even can burn out power supply, mainboard and miscellaneous equipment parts, making to server
The biggest puzzlement is brought with maintenance.
Printed circuit board (PCB), also known as printed circuit board, printed substrate, often uses english abbreviation PCB(Printed
Circuit board) or write PWB(Printed wire board), it is important electronic unit, is the support of electronic component
Body, is the supplier of electronic devices and components connection.
General server and the printed circuit board (PCB) of PC all do not have dedusting prompt facility, increase dedusting prompt facility to product
Purpose be to remind user and guardian to clear up cabinet internal dust in time, improve the service efficiency of server, increase visitor
Family satisfaction.
Patent CN105045703A is it is proposed that the method for designing of a kind of printed circuit board (PCB) dedusting prompting, as it is shown in figure 1, should
Method increases on a printed circuit by sensitive film, point source and the dust of light collector (containing light sensor) three part composition
Detector, when printed circuit board (PCB)/sensitive film dust is more, the reflection light that light collector gathers on sensitive film is less than a fixed limit
System, by harvester transmitting telecommunication number, is dealt into service system managing chip, and prompting user needs to carry out dedusting, realizes protection
The measure of printed circuit board (PCB).
Support circuitry design, all on support, is required higher, is likely to result in by this method light collector, point source
Cost significantly raises.
Summary of the invention
The technical assignment of the present invention is to provide a kind of Optimization Design for printed circuit board (PCB) dedusting prompting.
The technical assignment of the present invention realizes in the following manner, and a kind of optimization for printed circuit board (PCB) dedusting prompting sets
Meter method, increases on a printed circuit by point source and photoconductive resistance dust monitor dimerous, utilizes photosensitive electricity
The change of the intensity of illumination that resistance receives, prompting user carries out dedusting；
Photoconductive resistance converts optical signals into the exportable signal of telecommunication, is sent to the system administration chipset of mainboard end, when reaching
The current condition of dedusting, prompting user is needed to carry out dedusting.
Preferably, method detailed step is as follows:
Being installed with dust monitor on a printed circuit, dust monitor is made up of point source and photoconductive resistance two parts, point
Light source is fixedly arranged on printed circuit board (PCB), and photoconductive resistance and point source keep suitable distance to be fixedly arranged on printed circuit board (PCB)；
Point source is utilized to irradiate photoconductive resistance, when the intensity of illumination of point source is fixed, and photoconductive resistance is irradiated by constant light source, resistance
Stable, output electric current is fixed；
When point source or photoconductive resistance cover dust, the intensity of illumination that photoconductive resistance receives weakens, and resistance raises, output
The signal of telecommunication to system administration chip is less, when little to preset value time, according to predeterminable level, system administration chip judges that dust is
Reach the ultimate value that can normally use, send signal and remind user to change.
Preferably, described point source and photoconductive resistance are fixedly arranged on the length direction of printed circuit board (PCB).
Preferably, described point source and photoconductive resistance are fixedly arranged on the width of printed circuit board (PCB).
Preferably, described system administration chip sends the method for cue at screen or by implementing lamp and sound
Prompting.
The present invention a kind of for printed circuit board (PCB) dedusting prompting Optimization Design compared to the prior art, useful effect
Fruit is as follows:
1, being not required to, for cabinet inside dust deposit situation, judgement of unpacking, system at regular intervals feedback is changed the ash derived by light intensity
Dirt deposition situation of change, points out in time when needs dedusting；
2, prioritization scheme simple in construction, the most integrated with traditional PCB design, power supply and signal collection can be by printing electricity
The original circuit of road plate and chip realize, in that context it may be convenient to transform old printed circuit board (PCB)；
3, prioritization scheme volume is little, uses components and parts few, reduces cost, and easily realize, can be multiple at printed circuit board (PCB)
Position is arranged, it is provided that the efficiency of information feedback and accuracy；
4, by this design, can be with the reliability of improving product and user satisfaction.
Accompanying drawing explanation
Accompanying drawing 1 is CN105045703A dust detector schematic diagram；
Accompanying drawing 2 is the dust detector schematic diagram of a kind of Optimization Design for printed circuit board (PCB) dedusting prompting；
Wherein: 1, printed circuit board (PCB)；2, point source；3, photoconductive resistance；4, sensitive film；5, light collector (containing photoconductive resistance).
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings the present invention is made further
Detailed description:
Embodiment 1:
A kind of Optimization Design for printed circuit board (PCB) dedusting prompting, increases on the printed circuit board 1 by point source 2 and light
Quick resistance 3 dust monitor dimerous, utilizes the change of the intensity of illumination that photoconductive resistance 3 receives, and points out user
Carry out dedusting.
Photoconductive resistance 3 converts optical signals into the exportable signal of telecommunication, is sent to the system administration chipset of mainboard end, when
Reach to need the current condition of dedusting, prompting user to carry out dedusting.
Method detailed step is as follows:
Being installed with dust monitor on the printed circuit board 1, dust monitor is made up of point source 2 and photoconductive resistance 3 two parts,
Point source 2 is fixedly arranged on printed circuit board (PCB) 1, and photoconductive resistance 3 and point source 2 keep suitable distance to be fixedly arranged on printed circuit board (PCB) 1；
Described point source 2 and photoconductive resistance 3 are fixedly arranged on the length direction of printed circuit board (PCB) 1.
Point source 2 is utilized to irradiate photoconductive resistance 3, when the intensity of illumination of point source 2 is fixed, and photoconductive resistance 3 is by constant light source
Irradiating, resistance is stable, and output electric current is fixed；
When point source 2 or photoconductive resistance 3 cover dust, the intensity of illumination that photoconductive resistance 3 receives weakens, and resistance raises,
Export less to the signal of telecommunication of system administration chip, when little to preset value time, system administration chip according to predeterminable level judge ash
Dirt has reached the ultimate value that can normally use, sends signal and reminds user to change.
Further, described system administration chip sends the method for cue in screen prompt.
Embodiment 2:
A kind of Optimization Design for printed circuit board (PCB) dedusting prompting, increases on the printed circuit board 1 by point source 2 and light
Quick resistance 3 dust monitor dimerous, utilizes the change of the intensity of illumination that photoconductive resistance 3 receives, and points out user
Carry out dedusting.
Photoconductive resistance 3 converts optical signals into the exportable signal of telecommunication, is sent to the system administration chipset of mainboard end, when
Reach to need the current condition of dedusting, prompting user to carry out dedusting.
Method detailed step is as follows:
Being installed with dust monitor on the printed circuit board 1, dust monitor is made up of point source 2 and photoconductive resistance 3 two parts,
Point source 2 is fixedly arranged on printed circuit board (PCB) 1, and photoconductive resistance 3 and point source 2 keep suitable distance to be fixedly arranged on printed circuit board (PCB) 1；
Described point source 2 and photoconductive resistance 3 are fixedly arranged on the width of printed circuit board (PCB) 1.
Point source 2 is utilized to irradiate photoconductive resistance 3, when the intensity of illumination of point source 2 is fixed, and photoconductive resistance 3 is by constant light source
Irradiating, resistance is stable, and output electric current is fixed；
When point source 2 or photoconductive resistance 3 cover dust, the intensity of illumination that photoconductive resistance 3 receives weakens, and resistance raises,
Export less to the signal of telecommunication of system administration chip, when little to preset value time, system administration chip according to predeterminable level judge ash
Dirt has reached the ultimate value that can normally use, sends signal and reminds user to change.
Further, described system administration chip sends the method for cue for by implementing lamp and auditory tone cues.
The Introduction on Principle of dust detector is as follows: when having dust to cover, and the illumination that photoconductive resistance 3 receives weakens, photosensitive electricity
Hinder 3 resistances to increase, export and die down to the signal of telecommunication of system administration chip, when the signal of telecommunication weak to preset limit value time, system administration
Chip sends cue or at screen or by implementing lamp and the dedusting to be carried out of auditory tone cues user.After dedusting completes, light
The illumination that quick resistance 3 receives is normal, and photoconductive resistance 3 output valve is normal, and system is not reported to the police.
CN105045703A dust detector is designing printed circuit board connects up when as shown in Figure 1, needs dust
The space of detector is taken into account and reserves out, it is also contemplated that the design of detector bracket power supply circuits and managing chip are soft
The design of part.And the prioritization scheme shown in Fig. 2 only need to consider presetting of point source 2 and photoconductive resistance 3, there is no support, be not required to yet
Considering the circuit design of support circuitry, point source 2 and photoconductive resistance 3 are found from existing Component library, it is not necessary to set separately
Family planning is produced, and reduces use cost.
And after using prioritization scheme, the volume of dust detector significantly reduces, can the most multiple positions
Install, central die unified management screen, the accuracy of dedusting prompting will be greatly improved.
By detailed description of the invention above, described those skilled in the art can readily realize the present invention.But should
Working as understanding, the present invention is not limited to above-mentioned several detailed description of the invention.On the basis of disclosed embodiment, described technology
The technical staff in field can the different technical characteristic of combination in any, thus realize different technical schemes.
Claims (5)
1. the Optimization Design for printed circuit board (PCB) dedusting prompting, it is characterised in that increase on a printed circuit
By point source and photoconductive resistance dust monitor dimerous, utilize the change of the intensity of illumination that photoconductive resistance receives,
Prompting user carries out dedusting；
Photoconductive resistance converts optical signals into the exportable signal of telecommunication, is sent to the system administration chipset of mainboard end, when reaching
The current condition of dedusting, prompting user is needed to carry out dedusting.
A kind of Optimization Design for printed circuit board (PCB) dedusting prompting the most according to claim 1, it is characterised in that
Method detailed step is as follows:
Being installed with dust monitor on a printed circuit, dust monitor is made up of point source and photoconductive resistance two parts, point
Light source is fixedly arranged on printed circuit board (PCB), and photoconductive resistance and point source keep suitable distance to be fixedly arranged on printed circuit board (PCB)；
Point source is utilized to irradiate photoconductive resistance, when the intensity of illumination of point source is fixed, and photoconductive resistance is irradiated by constant light source, resistance
Stable, output electric current is fixed；
When point source or photoconductive resistance cover dust, the intensity of illumination that photoconductive resistance receives weakens, and resistance raises, output
The signal of telecommunication to system administration chip is less, when little to preset value time, according to predeterminable level, system administration chip judges that dust is
Reach the ultimate value that can normally use, send signal and remind user to change.
A kind of Optimization Design for printed circuit board (PCB) dedusting prompting the most according to claim 1, it is characterised in that
Described point source and photoconductive resistance are fixedly arranged on the length direction of printed circuit board (PCB).
A kind of Optimization Design for printed circuit board (PCB) dedusting prompting the most according to claim 1, it is characterised in that
Described point source and photoconductive resistance are fixedly arranged on the width of printed circuit board (PCB).
A kind of Optimization Design for printed circuit board (PCB) dedusting prompting the most according to claim 1, it is characterised in that
Described system administration chip sends the method for cue at screen or by implementing lamp and auditory tone cues.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610454109.1A CN106055461A (en) | 2016-06-22 | 2016-06-22 | Optimization design method of dust removal prompting method for printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610454109.1A CN106055461A (en) | 2016-06-22 | 2016-06-22 | Optimization design method of dust removal prompting method for printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106055461A true CN106055461A (en) | 2016-10-26 |
Family
ID=57168767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610454109.1A Pending CN106055461A (en) | 2016-06-22 | 2016-06-22 | Optimization design method of dust removal prompting method for printed circuit board |
Country Status (1)
| Country | Link |
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| CN (1) | CN106055461A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111182130A (en) * | 2019-01-15 | 2020-05-19 | 苏海英 | Receiving mechanism of mobile communication network |
| CN116944082A (en) * | 2023-09-19 | 2023-10-27 | 四川辰宇微视科技有限公司 | Efficient detection device and method for cleanliness before packaging of microchannel plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178352A (en) * | 2006-11-07 | 2008-05-14 | 英业达股份有限公司 | System and method for determining the mount of accumulated dust by light ray intensity |
| US20090174564A1 (en) * | 2008-01-09 | 2009-07-09 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Dust detecting circuit |
| CN103115590A (en) * | 2013-01-25 | 2013-05-22 | 浪潮电子信息产业股份有限公司 | PCB (printed circuit board) smoothness detection method |
| CN105045703A (en) * | 2015-08-28 | 2015-11-11 | 浪潮电子信息产业股份有限公司 | Design method for dust removing prompt of PCBA |
-
2016
- 2016-06-22 CN CN201610454109.1A patent/CN106055461A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178352A (en) * | 2006-11-07 | 2008-05-14 | 英业达股份有限公司 | System and method for determining the mount of accumulated dust by light ray intensity |
| US20090174564A1 (en) * | 2008-01-09 | 2009-07-09 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Dust detecting circuit |
| CN103115590A (en) * | 2013-01-25 | 2013-05-22 | 浪潮电子信息产业股份有限公司 | PCB (printed circuit board) smoothness detection method |
| CN105045703A (en) * | 2015-08-28 | 2015-11-11 | 浪潮电子信息产业股份有限公司 | Design method for dust removing prompt of PCBA |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111182130A (en) * | 2019-01-15 | 2020-05-19 | 苏海英 | Receiving mechanism of mobile communication network |
| CN116944082A (en) * | 2023-09-19 | 2023-10-27 | 四川辰宇微视科技有限公司 | Efficient detection device and method for cleanliness before packaging of microchannel plate |
| CN116944082B (en) * | 2023-09-19 | 2023-12-05 | 四川辰宇微视科技有限公司 | Efficient detection device and method for cleanliness before packaging of microchannel plate |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |
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| WD01 | Invention patent application deemed withdrawn after publication |