CN104661417B - Fault detect device for high-power illuminating system - Google Patents
Fault detect device for high-power illuminating system Download PDFInfo
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- CN104661417B CN104661417B CN201510130211.1A CN201510130211A CN104661417B CN 104661417 B CN104661417 B CN 104661417B CN 201510130211 A CN201510130211 A CN 201510130211A CN 104661417 B CN104661417 B CN 104661417B
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Abstract
The invention relates to a fault detect device for a high-power illuminating system. The fault detect device comprises a first-stage amplifying circuit, a second-stage amplifying circuit, a comparison circuit and an output circuit, wherein the output end of the first-stage amplifying circuit is connected with the input end of the second-stage amplifying circuit, the output end of the second-stage amplifying circuit is connected with the input end of the comparison circuit, and the output end of the comparison circuit is connected with the input end of the output circuit; the first-stage amplifying circuit comprises a triode, wherein a base electrode of the triode is simultaneously connected to a power supply through a resistor R3 and is grounded through a resistor R2, and the resistor R2 is connected with a sampling resistor R1 in series through a capacitor. The fault detect device has the beneficial effects that by virtue of the technical scheme, if an illuminating loop works normally, bulbs are in a normally on state, and if the circuit of the illuminating loop malfunctions, the bulbs are quenched, so that a maintenance man can be timely informed that illuminating lamps in the illuminating loop malfunction and can know the fault position according to quenched lamps, the labor cost is saved, and the working efficiency is greatly improved.
Description
Technical field
The present invention relates to a kind of failure detector of high-power illumination system, is particularly suited for factory-level on a large scale
Illuminator.
Background technology
1. industrial light purpose
The main mesh of industrial light is the lighting environment of Creating Comfort, with improve product quality and labor productivity.Well
Lighting condition can mitigate visual fatigue, it is to avoid maloperation, reduce accident, be conducive to safety in production.
2. the requirement of illumination
（1）Ensure enough illumination and necessary lighting quality, including the distribution of rational room brilliancy and restriction dazzle etc.；
（2）Pay attention to security protection, prevent from getting an electric shock and electrical fire, it is ensured that the necessary illumination of producers' safe escape.
3. the determination of illumination
Cigar mill combines the illumination in worker-house, has specified in country and industry standard.GB《Building lighting design mark
It is accurate》（GB 50034-2004）And rower《Cigar mill's Lighting Design standard》（YC/T 38-1996）In, it is stipulated that cigar mill production
With the illuminance standard level on the group job face of working space.For the main workshop in joint worker-house preferably adopts general lighting, each workshop to shine
Degree is provided as follows：Cigarette hire a car between, filter stick formation workshop be 300lx；Primary processing shop, expanded cut tobacco workshop are 200lx；Vacuum station
For 150lx；Between pump house, Air Conditioning Facilities, dedusting machine room, storage leaf, store silk room, finished product week stock relocation, composition of raw materials storehouse, adjuvant turnover
Storehouse is 100lx；Large-scale part warehouse is 50lx.If Central Control Room, Surveillance center, fire protection control room are 500lx in joint worker-house；Office
Room, meeting room, control room, quality inspection room, sensing chamber, training center, LA Management Room, operating mode pattern room, control room, wiring closet are
300lx；Electricity repair room, machine maintenance room, reference room be 200lx；Lobby is 50lx.
4. the workshop of common cigar mill has following lighting characteristics
（1）General common cigar mill's workshop floor space is more than 15000M2, general ambient light area is more than 100000 M2,
Number of illuminating lamps is more than 1,000（Can be by taking Ningbo Cigrette Factory as an example）；Lighting area is wide, light fixture quantity is more, with allusion quotation
The industrial light feature of type.
（2）Workshop adopts brick wall structure substantially, injects without natural light substantially throughout the year.
（3）Mill portion workshop section is equipped with high opium machine equipment, and external light source is difficult to enter, and needs to arrange single-point illumination.
Therefore, find that illuminator has problems with the actual production in workshop：
（1）Due to light fixture substantial amounts, light fixture has been frequently found it and has broken down and cannot illuminate, local illumination intensity occurred not
Standard requirement can be met.
（2）As lighting area is vast, inspection personnel completes once complete illumination inspection and requires more than a hour, consumption
Duration, takes a large amount of manpowers.
（3）Some single-point illumination point positions are hidden, it is difficult to from external observation to failure, and such position is in the event of event
Greatly, there is certain potential safety hazard in barrier, On The Deterioration of Visibility Over.
How the problems referred to above are efficiently solved, this is for raising factory（Such as cigar mill）Production efficiency would is that pole
Big raising.
The content of the invention
To solve problem above, the present invention adopts a kind of failure detector of high-power illumination system, with real-time
Discovery failure, save human cost, and greatly improve the investigation rate of failure.
For achieving the above object, the present invention proposes a kind of failure detector of high-power illumination system, including one-level
Amplifying circuit, second amplifying circuit, comparison circuit and output circuit, the one-level amplification circuit output end and second amplifying circuit
Input is connected, and second amplifying circuit outfan is connected with comparison circuit input, and comparison circuit outfan is defeated with output circuit
Enter end to be connected；
The one-level amplifying circuit includes audion Q1 and potentiometer R15, and audion Q1 base stages are connected by resistance R3 simultaneously
Be connected to power supply VCC, by resistance R2 ground connection, be connected with sampling resistor R1 one end by electric capacity C1, and sampling resistor R1's is another
End ground connection；The colelctor electrode of the audion Q1 is connected to power supply VCC by resistance R5, and the emitter stage of the audion Q1 is by electricity
Resistance R4 ground connection；The sampling resistor R1 two ends are amplification sampled signal input；The audion Q1 transmittings collection is by quasiconductor
Capacitor C3 is connected to the sliding end of potentiometer R15, while a fixing end ground connection of potentiometer R15；
The second amplifying circuit includes audion Q2 and potentiometer R16, and the audion Q2 base stages pass through resistance simultaneously
R6 is connected to power supply VCC and is grounded by resistance R7, and the audion Q2 base stages are connected to the collection of audion Q1 by electric capacity C2
Electrode；The colelctor electrode of the audion Q2 is connected to power supply VCC by resistance R8, and audion Q2 emitter stages are connect by resistance R9
Ground；The audion Q2 transmittings collection is connected to the sliding end of potentiometer R16 by semiconductor capacitor C5, while the potentiometer
The one fixing end ground connection of R16；
The comparison circuit includes twin voltage comparator and potentiometer R17, and the port 3 of the twin voltage comparator is by electricity
Hold C4 and be connected to audion Q2 colelctor electrodes, the port 2 of the twin voltage comparator is connected to the sliding end of potentiometer R17, and electricity
One fixed termination power VCC of position device R17, another fixing end ground connection；The port 1 of the twin voltage comparator passes through resistance
R12 is connected to power supply VCC；
The output circuit includes audion Q3, and the audion Q3 base stages are connected to twin voltage by resistance R13 simultaneously
The port 1 of comparator and it is grounded by electric capacity C6；The audion Q3 grounded emitters, audion Q3 colelctor electrodes are in series with bulb
With resistance R14, and power supply VCC is connected to, by judgement of the bright dark realization of bulb to lighting system circuit normal work.
Used as further improving, the twin voltage comparator is LM393D twin voltage comparators.
Used as further improving, the audion Q1, audion Q2 and audion Q3 are NPN type triode.
Used as further improving, the electric capacity C1, electric capacity C2 and electric capacity C4 are semiconductor capacitor.
The operation principle of the present invention：
In the present invention, one-level amplifying return circuit and two grades of amplifying return circuits can amplify collection signal, make micro- on sampling resistor R1
Weak voltage signal（About 0.1 ~ 0.3V）More than 5V can be amplified to（Less than 24V）, user can adjust according to the actual requirements
Nodal potential device R15, R16 change amplification；The output signal of two grades of amplifying return circuits delivers to LM393D twin voltages in comparison loop
The port 3 of comparator, while regulator potentiometer R17 produces another voltage signal is sent to LM393D twin voltages ratio in comparison loop
Compared with the port 2 of device, the voltage signal using port 2 is used as reference signal, if the input voltage of port 3 is higher than port 2, then it represents that shine
Bright loop works electric current is normal, the output of port 1 high level of comparison loop, then drives the bulb of output loop（Such as LED）
Light；If the input voltage of port 3 is less than port 2, then it represents that lighting loop operating current is abnormal, the port 1 of comparison loop
Output low level, it is impossible to drive the bulb of output loop（Such as LED）Light.So we just can simply observe bulb（Such as
LED）State it may determine that whether lighting loop working properly.
Compared with prior art, beneficial effects of the present invention：
Due to adopting above-mentioned technical proposal, if lighting loop line work is normal, bulb（Such as LED）Can be constantly in
Normal bright state, if lighting loop circuit somewhere is broken down, bulb（Such as LED）Will extinguish, this is equal to timely accuse
Tell maintainer, the illuminating lamp of certain goes wrong in lighting loop, and can according to any small cup the lamp went out know generation therefore
The position of barrier, had both saved human cost, also greatly improved work efficiency.
Description of the drawings
Fig. 1 is the designed lines frame diagram of the present invention.
Fig. 2 is the allomeric function module diagram of the present invention.
Fig. 3 is the concrete function circuit connection structure schematic diagram of the present invention.
Specific embodiment
The enforcement design of the present invention is specific as follows：
1. technology path
（1）When light fixture breaks down, generic failure light fixture all can be breaking, when no current passes through the circuit part again, then
The total current of switch sections certainly will be caused to reduce, it is possible to can learn either with or without generation event by the detection to the electric current
Barrier.
（2）In order to current signal is converted into the signal that can be used by a person, need primary signal respectively through collection
Or sampling, process, analysis and feed back etc. link, specifically can be found in shown in Fig. 1.
2. design route in kind.
（1）Former lighting system circuit should be had any impact in view of the product first, therefore in sampling element
Pay the utmost attention to using micro-transformer of current take current signal, so there is no need to do primary circuit any change, it is convenient
Use.
（2）The product is intended in switch enclosure, it is desirable to have less volume and relatively low power consumption, therefore adopts pcb board
Make, and use 24V DC sources（That is the power supply VCC in Fig. 3）Power supply.
（3）In practice, due to the corresponding light fixture quantity of switch it is different, therefore in order to enable invention
General in various occasions, needs arrange adjusting means on product, are used in product by the regulation to the device various
Situation.
The embodiment of the present invention provides a kind of physical circuit design drawing：
By taking the physical circuit design drawing of Fig. 3 as an example, the circuit is dual input-output design, and two switches can be carried out
Monitoring measurement, during use, power interface connects 24V DC sources, and measured electric wire passes through micro-transformer of current, transformer it is defeated
Go out electric current and be connected to one of input interface, at the same corresponding output interface can be connected to it is any can be used for 24V DC operations electricity
The induction installation of pressure, bulb used in the design circuit（Such as LED）As induction installation.
As shown in figure 3, the failure detector of high-power illumination system of the present invention, including one-level amplifying circuit, two grades put
Big circuit, comparison circuit and output circuit, the one-level amplification circuit output end are connected with second amplifying circuit input, two grades
Amplification circuit output end is connected with comparison circuit input, and comparison circuit outfan is connected with output circuit input；
The one-level amplifying circuit includes NPN type triode Q1 and potentiometer R15, and NPN type triode Q1 base stage is simultaneously logical
Cross resistance R3 to be connected to power supply VCC and be grounded by resistance R2, and resistance R2 is in series with sampling electricity by semiconductor capacitor C1
Resistance R1；The colelctor electrode of NPN type triode Q1 is connected to power supply VCC, the NPN type triode Q1 emitter stage by resistance R5
It is grounded by resistance R4；The sampling resistor R1 two ends be lighting system circuit to be detected in amplify sampled signal input；Institute
The sliding end that NPN type triode Q1 transmitting collection is connected to potentiometer R15 by semiconductor capacitor C3 is stated, while the potentiometer
The one fixing end ground connection of R15.
The second amplifying circuit includes NPN type triode Q2 and potentiometer R16, and the NPN type triode Q2 base stage is same
When power supply VCC is connected to by resistance R6 and is grounded by resistance R7, the NPN type triode Q2 base stage passes through semicoductor capacitor
Device C2 is connected to the colelctor electrode of NPN type triode Q1；The colelctor electrode of NPN type triode Q2 is connected to power supply by resistance R8
VCC, NPN type triode Q2 emitter stage are grounded by resistance R9；The NPN type triode Q2 transmitting collection is by semiconductor capacitor
C5 is connected to the sliding end of potentiometer R16, while a fixing end ground connection of potentiometer R16.
The comparison circuit includes LM393D twin voltages comparator and potentiometer R17, the LM393D twin voltages comparator
Port 3 NPN type triode Q2 colelctor electrode, the end of the LM393D twin voltages comparator are connected to by semiconductor capacitor C4
Mouth 2 is connected to the sliding end of potentiometer R17, and a fixed termination power VCC, another fixing end ground connection of potentiometer R17；Institute
The port 1 for stating LM393D twin voltage comparators is connected to power supply VCC by resistance R12；
The output circuit includes NPN type triode Q3, and the NPN type triode Q3 base stage is connected by resistance R13 simultaneously
It is connected to the port 1 of LM393D twin voltage comparators and is grounded by electric capacity C6；The NPN type triode Q3 grounded emitter, NPN
Type audion Q3 colelctor electrodes are in series with bulb and resistance R14, and are connected to power supply VCC, by the bright dark realization of bulb to illumination
The judgement of circuit system normal work.
On the specific design circuit after electricity, this product circuit is started working, and LED bulb has bright and dark two states, this
When need to be configured according to the light fixture quantity for being connected to switch, " the one-level regulation resistance ", " two grades of regulation resistance ", " three
Level adjusts resistance " potentiometer R15 in Fig. 3, potentiometer R16, potentiometer R17 are corresponding in turn to, it is micro- that coarse adjustment, middle mediation are carried out respectively
Adjust；Adjust " three-level regulation resistance " during use first（That is potentiometer R17）, LED bulb is made in just normal shinny state
, if it find that " three-level regulation resistance "（That is potentiometer R17）Excessively sensitive, LED bulb light-dark state is difficult to control, then
Need " two grades of regulation resistance "（That is potentiometer R16）Middle tune is carried out first, then to " three-level regulation resistance "（That is potentiometer R17）Enter
Row fine setting.With should " two grades regulation resistance "（That is potentiometer R16）Can not meet when requiring, then from " one-level regulation resistance "
（That is potentiometer R15）Start coarse adjustment.
After the completion of regulation, product can come into operation, if line work is normal, LED bulb can be constantly in Chang Liang
State, if circuit goes out to break down, LED bulb will be extinguished, and this is equal to timely tell maintainer, certain
Illuminating lamp goes wrong, and can according to which small cup the lamp went out knows the position broken down, it is possible to can both save people
Power cost, it is also possible to greatly improve work efficiency.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (4)
1. a kind of failure detector of high-power illumination system, including one-level amplifying circuit, second amplifying circuit, comparison circuit
And output circuit, it is characterised in that the one-level amplification circuit output end is connected with second amplifying circuit input, two grades of amplifications
Circuit output end is connected with comparison circuit input, and comparison circuit outfan is connected with output circuit input；
The one-level amplifying circuit includes audion Q1 and potentiometer R15, and audion Q1 base stages are connected to by resistance R3 simultaneously
Power supply VCC, is grounded by resistance R2, is connected with sampling resistor R1 one end by electric capacity C1, and another termination of sampling resistor R1
Ground；The colelctor electrode of the audion Q1 is connected to power supply VCC by resistance R5, and the emitter stage of the audion Q1 passes through resistance R4
Ground connection；The sampling resistor R1 two ends are amplification sampled signal input；The audion Q1 emitter stages pass through semicoductor capacitor
Device C3 is connected to the sliding end of potentiometer R15, while a fixing end ground connection of potentiometer R15；
The second amplifying circuit includes audion Q2 and potentiometer R16, and the audion Q2 base stages are connected by resistance R6 simultaneously
It is connected to power supply VCC and is grounded by resistance R7, the audion Q2 base stages is connected to the colelctor electrode of audion Q1 by electric capacity C2；
The colelctor electrode of the audion Q2 is connected to power supply VCC by resistance R8, and audion Q2 emitter stages are grounded by resistance R9；It is described
Audion Q2 emitter stages are connected to the sliding end of potentiometer R16 by semiconductor capacitor C5, while one of potentiometer R16
Fixing end is grounded；
The comparison circuit includes twin voltage comparator and potentiometer R17, and the port 3 of the twin voltage comparator passes through electric capacity C4
Audion Q2 colelctor electrodes are connected to, the port 2 of the twin voltage comparator is connected to the sliding end of potentiometer R17, and potentiometer
The fixed termination power VCC of of R17, another fixing end ground connection；The port 1 of the twin voltage comparator is connected by resistance R12
It is connected to power supply VCC；
The output circuit includes audion Q3, and the audion Q3 base stages are connected to twin voltage by resistance R13 simultaneously and compare
The port 1 of device and it is grounded by electric capacity C6；The audion Q3 grounded emitters, audion Q3 colelctor electrodes are in series with bulb and electricity
Resistance R14, and power supply VCC is connected to, by judgement of the bright dark realization of bulb to lighting system circuit normal work.
2. the failure detector according to a kind of high-power illumination system described in claim 1, it is characterised in that described double
Voltage comparator is LM393D twin voltage comparators.
3. the failure detector according to a kind of high-power illumination system described in claim 1, it is characterised in that described three
Pole pipe Q1, audion Q2 and audion Q3 are NPN type triode.
4. the failure detector of a kind of high-power illumination system according to any one of claim 1 ~ 3, its feature exist
In the electric capacity C1, electric capacity C2 and electric capacity C4 are semiconductor capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130211.1A CN104661417B (en) | 2015-03-24 | 2015-03-24 | Fault detect device for high-power illuminating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130211.1A CN104661417B (en) | 2015-03-24 | 2015-03-24 | Fault detect device for high-power illuminating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104661417A CN104661417A (en) | 2015-05-27 |
| CN104661417B true CN104661417B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510130211.1A Active CN104661417B (en) | 2015-03-24 | 2015-03-24 | Fault detect device for high-power illuminating system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2380440Y (en) * | 1999-05-20 | 2000-05-31 | 上海维诺实业公司 | Automobile light obstruction-warning device |
| CN201717602U (en) * | 2010-04-14 | 2011-01-19 | 宁波市镇海华泰电器厂 | Noise-proof type anti-electric touch and anti-overheating protector of electric water heater |
| CN103364075A (en) * | 2012-03-31 | 2013-10-23 | 海洋王照明科技股份有限公司 | Light fixture vibration detecting circuit, light fixture vibration detecting device and light fixture |
| CN204466018U (en) * | 2015-03-24 | 2015-07-08 | 浙江中烟工业有限责任公司 | A kind of failure detector of high-power illumination system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI474590B (en) * | 2012-12-26 | 2015-02-21 | Univ Nat Taiwan | Control circuit for reducing current error of output of power converter and control method thereof |
-
2015
- 2015-03-24 CN CN201510130211.1A patent/CN104661417B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2380440Y (en) * | 1999-05-20 | 2000-05-31 | 上海维诺实业公司 | Automobile light obstruction-warning device |
| CN201717602U (en) * | 2010-04-14 | 2011-01-19 | 宁波市镇海华泰电器厂 | Noise-proof type anti-electric touch and anti-overheating protector of electric water heater |
| CN103364075A (en) * | 2012-03-31 | 2013-10-23 | 海洋王照明科技股份有限公司 | Light fixture vibration detecting circuit, light fixture vibration detecting device and light fixture |
| CN204466018U (en) * | 2015-03-24 | 2015-07-08 | 浙江中烟工业有限责任公司 | A kind of failure detector of high-power illumination system |
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| Publication number | Publication date |
|---|---|
| CN104661417A (en) | 2015-05-27 |
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