CN101765278A - Power-frequency digital frequency-division transmission method and device of monitoring device of navigational light - Google Patents
Power-frequency digital frequency-division transmission method and device of monitoring device of navigational light Download PDFInfo
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- CN101765278A CN101765278A CN200810187606A CN200810187606A CN101765278A CN 101765278 A CN101765278 A CN 101765278A CN 200810187606 A CN200810187606 A CN 200810187606A CN 200810187606 A CN200810187606 A CN 200810187606A CN 101765278 A CN101765278 A CN 101765278A
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention relates to an automatic control technology, in particular to power-frequency digital frequency-division transmission method and device of a monitoring device of a navigational light. The power-frequency digital frequency-division transmission method of the monitoring device of the navigational light, which is designed by the invention, comprises the following steps of: by virtue of the inherent characteristics of an original power supply network of a constant-current dimmer, wherein the inherent characteristics comprise the synchronous characteristic and the constant-current characteristic of a series loop and the equivalent principle characteristic of an isolation transformer, realizing the two-way transmission of a signal by adopting the technologies of power synchronization, time-domain address coding and chopping, converting a transmitted analog signal into a 0/1 switching-on/switching-off numerical code corresponding to a power frequency of 50Hz and then decoding and confirming by adopting a multi-path re-counting circuit with different frequency-division numerical values, thereby finishing the two-way transmission of a multi-path signal so as to realize the fault detection display and the single-light control of the navigational light. In the two-way transmission of the multi-path signal, the reduction or the expansion of the number of the paths of the multi-path signal is determined according to the on-site actual demand and the opinion of a user, and the frequency-division numerical values also adopt the corresponding natural numbers.
Description
Technical field
The present invention relates to automatic control technology, particularly a kind of power-frequency digital frequency-division transmission method of aid-to-navigation light supervising device and device.
Background technology
According to International Civil Aviation Organization's specification requirement relevant to aid-to-navigation light: aid-to-navigation light is the industrial frequency AC supply power mode, promptly be connected into the high pressure primary circuit via the former limit of a plurality of isolating transformers, light for aid-to-navigation light by the secondary circuit of the secondary of isolating transformer by dimmer power output constant current (the bright level of light is determined by electric current 2.8A～6.6A branch Pyatyi).Along with the develop rapidly of China civil aviaton cause, the airport has related to upgrading to the airport classification to the sense of urgency of implementing International Civil Aviation Covenant " annex 14 aid-to-navigation light serviceability rate standards " and " senior land operations guiding " the aid-to-navigation light controlled function being required.The airport user has proposed specific requirement to the aid-to-navigation light monitoring function: as the caution of aid-to-navigation light wick open fault, secondary line short trouble, lamp hole water inlet fault, and the taxiway center line light packet segmentation is controlled (and then green light is walked), is stopped the control of bank light etc., all multi-functional expansions require to increase the number of channels in the aid-to-navigation light dimmer loop, and everything all awaits us and goes R and D.
Summary of the invention
The objective of the invention is to provide for the deficiency that solves above-mentioned technology a kind of be intended to improve detect and the reliability and the expanded function requirement of control lamp position, show and the power-frequency digital frequency-division transmission method and the device of the aid-to-navigation light supervising device that the control of single lamp and multichannel bidirectional transmit with the fault detect that realizes aid-to-navigation light.
In order to achieve the above object, the power-frequency digital frequency-division transmission method of a kind of aid-to-navigation light supervising device that the present invention is designed, it comprises the inherent characteristic by the former supply network of constant-current dimmer: the series loop synchronizing characteristics, constant-current characteristics, isolating transformer principle of equal effects characteristic, the employing power supply is synchronous, time domain geocoding and wave chopping technology, realize the transmitted in both directions of signal, with the analog signal conversion of transmission is 0/1 break-make number of corresponding 50HZ power frequency, and then the multichannel that adopts different frequency division numerical value again the counting circuit decoding confirm, thereby the fault detect of finishing the transmitted in both directions of multiple signals and then realizing aid-to-navigation light shows and single lamp is controlled.In the transmitted in both directions of described multiple signals, the minimizing of its number of channels or expansion determine that according to the actual demand and the consumers' opinions at scene frequency division numerical value also adopts corresponding natural number.
The transmitted in both directions of described multiple signals can be to adopt the bidirectional transmission method of four road signals especially, and frequency division numerical value adopts ÷ 4, ÷ 5, ÷ 7, ÷ 9.
The power-frequency digital frequency-division transmitting device of a kind of aid-to-navigation light supervising device of the present invention's design, it comprises master computer, lamp position watch-dog, multichannel dimmer, the monitor loop series connection master computer of multichannel dimmer is monitored N road dimmer in real time.The working power of described lamp position watch-dog has two kinds of supply power modes; Power supply is taken from every the AB point that becomes BMN when aid-to-navigation light is opened a way, and power supply is provided by the dedicated transformer BH of particular design when being the aid-to-navigation light operate as normal under normal conditions.
The input input counting pulse signal of described lamp position watch-dog, counting pulse signal is taken from every output AB point that becomes BMN or the output CD point of dedicated transformer BH, when opening a way, takes from aid-to-navigation light AB, when the aid-to-navigation light operate as normal, take from CD, select for use four groups of optocoupler T1-T4 sample respectively the integrated signal amplifying circuit IC1 input of above two kinds of state positive-negative half-cycle adopt integration ring (R1 R2 C1) simultaneously comparator circuit IC2 introduce delay circuit (R5 C2).
The power-frequency digital frequency-division transmission method of a kind of aid-to-navigation light supervising device provided by the invention and device have following advantage:
1: emission, receiving circuit are all carrying out the contact of a high-voltage line of current supply circuit is not done any change every the secondary terminals that becomes, thereby are safe.
2: because without carrier signal, the outstanding advantage of this programme is: be not subjected to the influence of primary line insulation resistance, even when the primary line insulation resistance is zero, and still can operate as normal.
3: all-wave emission (360 °) half-wave receives (180 °) and need not to consider end of the same name every becoming, circuit reduction.
4: it is convenient that identical or close emission, receiving circuit, circuit are concisely installed.
5: potential advantages of this programme particularly are that its transmission feature and the original inherent characteristic of dimmer major loop combine together.Series connection that primary circuit is synchronous and power frequency (50HZ) power supply is characterized as this programme and adopts the power frequency counting: the time domain addresses and digital frequency division assurance is provided; The constant-current characteristics of major loop and every the Equivalent Transformer principle that becomes, its magnetic saturation characteristic is this programme radiating circuit savings energy.(for 100W when change is operated in 2.8-6.6A, transient energy can reach several hectowatts) make the received signal amplitude enough big, the signal to noise ratio height, the complete machine performance can be done more reliably, compare with the domestic and international similar functional product of conventional carrier schemes and tentatively to have manifested its competitive advantage, be expected further to satisfy the airport demand.
In addition, adopt the power-frequency digital frequency-division transmission method and the device of aid-to-navigation light supervising device provided by the invention, also improved the reliability and the expanded function requirement that detect and control the lamp position, show and the control of single lamp with the fault detect that realizes aid-to-navigation light.
Description of drawings
Fig. 1 system and device schematic diagram;
Fig. 2 is an aid-to-navigation light master supervising device functional-block diagram;
Fig. 3 is an aid-to-navigation light position supervising device functional-block diagram;
Fig. 4 is the transmission monitor electrical schematic diagram;
Fig. 5 is a lamp position watch-dog electrical schematic diagram.
Embodiment
The invention will be further described in conjunction with the accompanying drawings below by embodiment.
Embodiment:
The power-frequency digital frequency-division transmission method of a kind of aid-to-navigation light supervising device that present embodiment adopted, be inherent characteristic: series loop synchronizing characteristics, constant-current characteristics by the former current supply circuit of constant-current dimmer, isolating transformer principle of equal effects characteristic, the employing power supply is synchronous, time domain geocoding and wave chopping technology, realize the transmitted in both directions of signal, it is characterized in that the analog signal conversion of transmission is switching value (0/1) number of 50HZ power frequency and then adopts different divider ratios to carry out the transmitted in both directions of multiple signals and then the fault detect demonstration and the control of single lamp of realization aid-to-navigation light.Actual demand and consumers' opinions number of channels according to the scene can reduce or expand, and frequency division numerical value also can adopt other natural numbers.Present embodiment has only been enumerated the bidirectional transmission method of four road signals, and frequency division numerical value adopts ÷ 4, ÷ 5, ÷ 7, ÷ 9.
As shown in Figure 1, the power-frequency digital frequency-division transmitting device of the aid-to-navigation light supervising device of the present invention's design, be made up of promptly the two large divisions: light station and light scene (runway taxiway) formed.Wherein the industrial computer at light station is being monitored the monitor loop device of multichannel dimmer loop correspondence (main frame 1～N) can detected and control the operating state of on-the-spot each aid-to-navigation light, and the purpose that this programme adopts power-frequency digital frequency-division to carry out transmitted in both directions is intended to improve and detects and the reliability and the expanded function requirement of control lamp position.
The power-frequency digital frequency-division transmission method of the aid-to-navigation light supervising device that present embodiment provides is four-way (÷ 4, ÷ 5, ÷ 7, ÷ a 9) transmitted in both directions; The practicality of this scheme shows as:
1, the monitor loop device (abbreviation main frame) that is positioned at the light station sends 4 frequency divisions (being called for short ÷ 4) converted command signal, makes the lamp position watch-dog (abbreviation capsule) in the corresponding far-end lamp hole carry out the traffic lights conversion;
2, main frame sends ÷ 5 self check clear commands, makes the counter O reset of capsule, counts again, and correspondence (domain addresses during abbreviation) in unique time period that this capsule self is set is replied loopback ÷ 9 signals;
3, main frame this time domain addresses during, receive ÷ 9 answer signals, promptly realized the self-checking function of this capsule;
4, when capsule generation wick open circuit, the secondary line short circuit is during lamp hole water inlet fault, also the time send ÷ 7 fault-signals during the domain addresses, main frame correspondence the time receive ÷ 7 signals during the domain addresses, confirm this fault lamp position, and be presented on the corresponding screen interface by Computer Processing.
This programme feature is the both-way communication that carries out monitor loop device (main frame) and lamp position watch-dog (capsule) with power frequency digital frequency division (÷ 4 ÷ 5 ÷ 7 ÷ 9): the converted command signal (see figure 4) of wherein being given main frame by computer.Through the IC104 AND circuit with synthesize ÷ 4 signals from the IC102 that is connected into 4 frequency dividing circuits, transport to the input F of carrier transmit circuit, the break-make of control T102 and carrier wave pipe T101, change load resistance, through transporting to major loop every becoming B0 secondary AB, make corresponding far-end capsule (see figure 5) sample resistance R208 obtain peak value section dynamic variable signal, form the signal that contains ÷ 4 switching values via the amplification shaping translation circuit of T201～204IC201, compositions such as 202.Transport to 4 tunnel counting circuit affirmations of forming by T205～208IC203～211 grades again by the G point, its output H point signal is through integrating circuit R253, C251, amplifying circuit IC211, comparator circuit IC212 and drive circuit T209 make the conversion of relay J 2 contacts, have realized single lamp controlled function; Synthetic ÷ 5 signals of the IC101 IC103 of Fig. 4 when main frame is received the computer self-test clear command, through above-mentioned same emission receive path, make the G point of Fig. 5 contain ÷ 5 switching value signals, 5 tunnel counting circuit affirmations again via IC240～composition such as 250 grades, and through integration amplification comparison circuit, and then form the self check reset signal that Z is ordered, this signal be divided into 3 the tunnel 1. its forward position differential signal make T290 moment conducting, IC290 is given on the edge behind the differential, 291 grades form quenching pulse 2. corresponding this capsule self the time domain addresses MN period (4.8S) by IC253 AND circuit output drive signal, T210 T211 turn-on relay J1 is disconnected, the IC251 AND circuit is a high voltage at the interval output of MN time domain I point for 3. the signal emission prepares, for IC252 9 frequency dividing circuits provide working power, its Q3 output synthesizes ÷ 9 signals via gate circuit IC254, by optocoupler T5 control radiating circuit T270 break-make, by sending ÷ 9 signals back to major loop every the AB that becomes BMN, corresponding diagram 4 main frames by IC105 like this, the peak value section sampling transform circuit output signal of compositions such as 106 includes ÷ 9 signals, again via IC171-190 etc. form 9 the tunnel again counting circuit confirm, and then make the W point export self-test signal, that is to say that domain addresses receives ÷ 9 signals and verified this capsule self-checking function that realized working properly when corresponding during main frame self-checking command ÷ 5 sends; What must illustrate here is that rising edge signal makes T191 moment conducting through differential, forms the reset signal of host count device, all locates and the synchronometer number state with each capsule in the time of main frame emission self-checking command.
The signal of ordering every change BMN rectification output X in the corresponding diagram 5 when aid-to-navigation light breaks down has obvious variation: 1. wick open circuit or secondary line open circuit make X point high voltage pulse make the K1 point form fault-signal through T271.2. to make X point output signal be zero signal that water resistance rapier rod K4K5 forms when the IC273 comparator circuit makes K2 point output fault-signal 3. when the water inlet of lamp hole exports the 4. above-mentioned three kinds of fault-signals of fault-signal all as the working power of IC271 ÷ 7 circuit through the comparator circuit output point K3 of compositions such as IC270 for wick short circuit or secondary line short circuit, launch ÷ 7 or ÷ 9 signals with aforesaid ÷ 9 signals stacks (OR circuit) at corresponding time domain addresses, IC253 AND circuit function wherein as described above, purpose be the time relay J 1 is disconnected, be in the preparing state that transmits.÷ 7 fault-signals are transformed to 7 tunnel counting circuit affirmations and then through amplifying circuit IC165. comparator circuit IC166 etc. again that switching value pulse (S point) is connected into by IC151-164 etc. again through what the dimmer major loop transferred to main frame (Fig. 4) every becoming the peak value section sampling of B0 through composition such as IC105 106, its output point Y formation fault-signal, is determined fault lamp position and is presented at corresponding position the time domain address decoder by computer.So far, present embodiment has realized that four road signals transmit and monitor in this dimmer loop, road.In fact according to user's needs and on-the-spot different with functional requirement, the above-mentioned number of channels of actual conditions, frequency division numerical value can be done its corresponding simplified and expansion, has embodied the design's flexibility to a certain extent.
It can also be seen that from the above-mentioned course of work, the command signal of main frame emission is the real-time online continuous operation, and capsule is only at unique time domain addresses (4.8S) of self setting transmit (÷ 7, ÷ 9), a receiving circuit frequency-selecting of capsule simultaneously transmits (÷ 4, ÷ 5) thereby do not exist signal to crosstalk mutually at main frame possibility, generally having only command signal in the major loop in transmission, is that example is sketched its operation principle with main frame emission conversion instruction:
1. as previously mentioned, ÷ 4 signal controlling copped wave pipe T101 break-makes are in order to change every the equivalent load (see figure 4) that becomes B0, the fact is that this is every becoming design in critical saturation condition, promptly this 100W is when 3 grades of light work of the corresponding homemade lock stream of the crest voltage amplitude that becomes actual output ripple output dimmer, can reach several hectovolts, (this amplitude of import dimmer of corresponding quasi-sine-wave output also can reach more than the hectovolt) above-mentioned make-and-break signal makes its output terminals A B dynamic variable quantity can reach more than the 100V and presents three low one high states.This signal by 1: 1 change three low one high signals (more than the 10V) every what change reached major loop target lamp capsule by a relatively large margin every becoming BMN, its secondary terminals AB (see figure 5) also being loaded with; The peak sample translation circuit of capsule has stronger servo-actuated dynamic function, here the lag function that refers to is to adapt to the conversion of the bright level of dimmer, dimmer output waveform difference, the aid-to-navigation light operating state difference of capsule, because this circuit adopts stronger direct current negative feedback (T203), especially the RC voltage divider has been designed in these circuit many places, (as R201 C201) played the effect of dynamic voltage stabilizing, make output waveform all the time dynamic tracking at peak value section sampling state and then by the IC202 comparator circuit among the figure analog quantity is transformed to switching value, form 1000, or 0100,0010,0001 output signal, four the tunnel again counting circuit carry out four tunnel countings more respectively by four output Q0-Q3 of ÷ 4 IC circuit 211, wherein must have one the tunnel to be in the continuous counter state, with 1000 is the example (see figure 5), IC203 is in the continuous counter state, to be confirmed to be conversion instruction effective for H point output signal when this counter Q5 has output signal, IC204 among the figure, 206,208,210 are connected into ÷ 8 circuit, that is to say in 8 cycles setting, as long as one tunnel signal-count is arranged greater than 5, i.e. execution command (above abbreviation 85 configuration) otherwise will be by ÷ 8 circuit zero clearings.Above-mentioned like this host command emission is until required time of lamp position conversion, about 4 * 5 power frequency periods under ÷ 4,85 configuring conditions.Consider factors such as integrating circuit delay, single lamp control time is about 0.5S.Realize the specification requirement of International Civil Aviation Organization's " senior land operations guiding " handbook and left certain design margin.
85 configurations of this programme are based on reliability design, with respect to the Disturbance in Power Net that may occur, the conversion of the bright level of aid-to-navigation light, factors such as thunderbolt are set, in fact this allocation ratio and numerical value determine the number of channels that needs with this loop, and the frequency division numerical value of each passage is closely-related, relates to notions such as least common multiple in the Mathematical Modeling, common divisor, probability theory, at scene different specification requirement and consumers' opinions, this programme has bigger flexibility.
2. the working power of this programme capsule has two kinds of supply power modes; Power supply is taken from every the AB point that becomes BMN when aid-to-navigation light is opened a way, and power supply is provided by the dedicated transformer BH of particular design when being the aid-to-navigation light operate as normal under normal conditions, the designing requirement of this transformer 1. power output＞4W. 2. the phase place of signal output waveform and amplitude satisfy the specification requirement of count pulse and the sampling of peak value section, with the signal to noise ratio of guaranteeing that complete machine is preferable.3. volume is little, and for this reason, this transformer adopting high permeability (＞15000 Gauss) is slim, and (former limit is that 10 circles (Φ 2.5) power output is the miniature transformer (or claiming instrument transformer) of 6W for＜0.2mm) silicon steel sheet, special coiling.
3. the counting pulse signal of this programme capsule is taken from every output AB point that becomes BMN or the output CD point of dedicated transformer BH, (take from AB when aid-to-navigation light is opened a way, take from CD when the aid-to-navigation light operate as normal).Select sample the respectively integrated signal of two states positive-negative half-cycle of four groups of optocoupler T1-T4 for use.Amplifying circuit IC1 input is introduced through the bimodal interference of integration ring (R1 R2 C1) when comparator circuit IC2 introduces its purpose of delay circuit (R5 C2) and is to overcome the low bright level of the dimmer of homemade lock stream ripple output simultaneously, realized that the counter of main frame and capsule is in the state of synchronous counting all the time, make this programme have more practicality, the isolating transformer (50-300W) that adapts to the dimmer of various waveforms output and different capacity illustrates that in passing Pyatyi (the ÷ 3 ÷ 8 ÷ 10 ÷ 10 ÷ 10) counting circuit of this programme also introduces the integration ring, improved antijamming capability, the time domain addresses MN of capsule (behind the counter two) is with the 0-99 coding that goes forward one by one, thereby, has self unique time domain addresses to each capsule.Corresponding 50HZ power frequency domain addresses constantly is that 4.8S when 60HZ (corresponding be 4S) has satisfied the actual demand on airport.(enter the every road of 166 branch two-way of low beam dimmer powered according to international standard and be about 83).
Claims (6)
1. the power-frequency digital frequency-division transmission method of an aid-to-navigation light supervising device, it comprises the inherent characteristic by the former supply network of constant-current dimmer: the series loop synchronizing characteristics, constant-current characteristics, isolating transformer principle of equal effects characteristic, the employing power supply is synchronous, time domain geocoding and wave chopping technology, realize the transmitted in both directions of signal, it is characterized in that the analog signal conversion with transmission is 0/1 a break-make number of corresponding 50HZ power frequency, and then the multichannel that adopts different frequency division numerical value again the counting circuit decoding confirm, thereby the fault detect of finishing the transmitted in both directions of multiple signals and then realizing aid-to-navigation light shows and single lamp is controlled.
2. the power-frequency digital frequency-division transmission method of aid-to-navigation light supervising device according to claim 1, it is characterized in that in the transmitted in both directions of described multiple signals, the minimizing of its number of channels or expansion determine that according to the actual demand and the consumers' opinions at scene frequency division numerical value also adopts corresponding natural number.
3. the power-frequency digital frequency-division transmission method of aid-to-navigation light supervising device according to claim 1 and 2, the transmitted in both directions that it is characterized in that described multiple signals are the bidirectional transmission methods that adopts four road signals, and frequency division numerical value adopts ÷ 4, ÷ 5, ÷ 7, ÷ 9.
4. the power-frequency digital frequency-division transmitting device of an aid-to-navigation light supervising device, it comprises master computer, lamp position watch-dog, multichannel dimmer, it is characterized in that the monitor loop series connection master computer of multichannel dimmer is monitored N road dimmer in real time.
5. the power-frequency digital frequency-division transmitting device of aid-to-navigation light supervising device according to claim 4 is characterized in that the working power of described lamp position watch-dog has two kinds of supply power modes; Power supply is taken from every the AB point that becomes BMN when aid-to-navigation light is opened a way, and power supply is provided by the dedicated transformer BH of particular design when being the aid-to-navigation light operate as normal under normal conditions.
6. according to the power-frequency digital frequency-division transmitting device of claim 4 or 5 described aid-to-navigation light supervising devices, the input input counting pulse signal that it is characterized in that described lamp position watch-dog, counting pulse signal is taken from every output AB point that becomes BMN or the output CD point of dedicated transformer BH, when opening a way, takes from aid-to-navigation light AB, when the aid-to-navigation light operate as normal, take from CD, select for use four groups of optocoupler T1-T4 sample respectively the integrated signal amplifying circuit IC1 input of above two kinds of state positive-negative half-cycle adopt integration ring (R1R2C1) simultaneously comparator circuit IC2 introduce delay circuit (R5C2).
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| CN103636105A (en) * | 2011-06-30 | 2014-03-12 | 美国思睿逻辑有限公司 | Transformer-isolated LED lighting circuit with secondary-side dimming control |
| CN104039057A (en) * | 2014-06-30 | 2014-09-10 | 浙江福斯特电子科技有限公司 | Constant luminous flux LED module control circuit |
| CN104315474A (en) * | 2014-11-12 | 2015-01-28 | 杭州上达光电科技有限公司 | Lighting system |
| CN105813327A (en) * | 2014-12-31 | 2016-07-27 | 广州励丰文化科技股份有限公司 | Area power electricity supply-based professional lighting power supply management method and system |
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| CN110264695A (en) * | 2019-07-09 | 2019-09-20 | 中国民用航空总局第二研究所 | Navigational lighting aid monitoring system and method based on power-line carrier communication |
| CN113766712A (en) * | 2020-06-02 | 2021-12-07 | 璞洛泰珂(上海)智能科技有限公司 | Series-connection type single-lamp control system based on optical fiber communication and applied to airport navigation aid |
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| CN103636105A (en) * | 2011-06-30 | 2014-03-12 | 美国思睿逻辑有限公司 | Transformer-isolated LED lighting circuit with secondary-side dimming control |
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| CN104315474A (en) * | 2014-11-12 | 2015-01-28 | 杭州上达光电科技有限公司 | Lighting system |
| CN105813327A (en) * | 2014-12-31 | 2016-07-27 | 广州励丰文化科技股份有限公司 | Area power electricity supply-based professional lighting power supply management method and system |
| CN107966652A (en) * | 2016-10-20 | 2018-04-27 | 国网新疆电力公司疆南供电公司 | A kind of transforming plant DC electric power loop Graded coordination test device |
| CN110264695A (en) * | 2019-07-09 | 2019-09-20 | 中国民用航空总局第二研究所 | Navigational lighting aid monitoring system and method based on power-line carrier communication |
| CN110264695B (en) * | 2019-07-09 | 2023-08-11 | 中国民用航空总局第二研究所 | Navigation light monitoring system and method based on power line carrier communication technology |
| CN113766712A (en) * | 2020-06-02 | 2021-12-07 | 璞洛泰珂(上海)智能科技有限公司 | Series-connection type single-lamp control system based on optical fiber communication and applied to airport navigation aid |
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