CN105894745A - Intelligent acousto-optic alarm device, and control method and alarm system thereof - Google Patents
Intelligent acousto-optic alarm device, and control method and alarm system thereof Download PDFInfo
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- CN105894745A CN105894745A CN201410529640.1A CN201410529640A CN105894745A CN 105894745 A CN105894745 A CN 105894745A CN 201410529640 A CN201410529640 A CN 201410529640A CN 105894745 A CN105894745 A CN 105894745A
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Abstract
The invention discloses an intelligent acousto-optic alarm device, and a control method and alarm system thereof. The control method is characterized in that a power supply sends different voltages or frequencies to a power supply line in different environments, the acousto-optic alarm device uses a built-in detection unit to detect the voltage or frequency of the power supply line automatically, and according to the ranges of the detected voltage or frequency values, the alarm device is started automatically and works in different states. According to the invention, an alarming function can be started rapidly, delay in evacuation caused by delay or lag of alarm is prevented, the alarming effect of the alarm device is greatly improved, the alarm device can play a better role, and thus, accidents are reduced.
Description
Technical field
The present invention relates in applying in construction operation scene, factory, school, house, office building or public place
Deng the control method of a kind of alarm device and the equipment in field, especially relate to use multiple warning mode in one
The Intelligent warning device of sound and light alarm.
Technical background
The area peoples such as job site, factory, school, house, office building or public place are numerous, and region is divided
Cloth cover is the biggest, has the separation of many between different regions, and communication from each other is hardly possible.
When an accident occurs, it is difficult to find in the very first time and select the mode of correct reply to notify that they withdraw in time.
In at the construction field (site), construction environment often has various potential danger, particularly as boats and ships, bridge,
Tunnel, power station, underground engineering etc. build construction.As occurred accident may injure operating personnel
Life security time, it is necessary to the signal that can be identified by the human sensory such as sound and various visible rays in time is reported
Alert.How can in time, effective according to different degrees of danger, can be easier to recognize with workmen
The type of alarm of danger classes notify the danger that they are different, allow workmen have the sufficient time corresponding
Take different action and measure.As common illuminator has a power failure, it is not necessary to alarmed, but time dangerous,
Dangerous degree is different, just determines that workmen is the need of evacuating to place of safety at once.Cause danger after reporting to the police
Reacting the most valuable with workmen, the time is the shortest, and for field operation personnel, safety is more
High.Along with the continuous sustainable development of electronic technology, the Intelligent acousto-optic report as means with electronic information and Based Intelligent Control
Alert device is increasingly subject to people and pays close attention to.
The audible-visual annunciator of analysis conventional, there is the deficiency of following aspect in it:
(1) when there is emergency events, the time response reported to the police is opened slow.Traditional audible-visual annunciator, generally
It is that a kind of manually actuated simple pattern is only reported to the police such as fire-smoke detection for a certain special detection, it is impossible to pre-
Survey or the emergency of detection generation in real time, need to restart warning after area people finds emergency
Device is reported to the police, and this generally requires the regular hour.
(2) light and sound alarm mode immobilize, uncontrollable.When normal condition, when starting alarm
After, the on-the-spot chimes of doom sounded suddenly and passage of scintillation light can make the personnel in region get a fright and cause in alarm, volume
Adding outward the danger of personnel, simultaneously because the characteristics such as the frequency of sound and color break-up are constant, Field Force cannot district
Divide the degree that emergency is dangerous.
(3) traditional audible-visual annunciator high-pressure halogen lamp or common bulb are as optical signal, at severe building ring
The easy aged deterioration of internal component under border, drive circuit easily produces fault.In addition Halogen light and common bulb
Work limitation rate is the highest, can send amount of heat.
(4) traditional audible-visual annunciator lack of wisdom controls technology, either to realize the loudness to sound, frequency
The FREQUENCY CONTROL controlling still to realize color break-up is the most extremely difficult.
Summary of the invention
It is an object of the invention to provide the control of the acoustic-optic alarm of a kind of intelligent multiple warning mode
Method.
The control method of Intelligent Acousto-optic alarm device, is characterized in that: described control method is: power supply
The voltage or the frequency that are transported to supply line in different environments also differ, and acoustic-optic alarm is by built-in
Detector unit automatically detect voltage or the frequency of supply line, then magnitude of voltage or frequency values according to detection exist
Different scopes, automatically starts sound and light alarm and is operated in different states.
The rate-determining steps of said method is:
Step 1: select to set a kind of magnitude of voltage of supply line and frequency values as normal power supply state, just
Often under power supply state, caution device belongs to resting state, now, if alarm is with illumination functions, illumination
Function is in normal luminous illumination condition.
Step 2: select to set another kind or multiple different magnitude of voltage, frequency values or the described electricity of supply line
Pressure value, frequency values combination as abnormal electrical power state.In normal power supply power-off or other special emergency
Under, supply intelligent switching equipment according to the difference of emergency, start the different magnitude of voltage of abnormal electrical power output,
Frequency values or its magnitude of voltage described and the combinations of voltages of frequency values.Now, the detector unit of caution device detects
When the frequency values of abnormal electrical power, magnitude of voltage or its frequency described and combinations of voltages value, automatically start caution device
Be operated in different alarm condition.
Step 3: when normal power supply power-off or other special emergency are released from, supply intelligent switching equipment
Switching power supply returns to normal power supply state.The detector unit of caution device detects that supply line recovers
During to frequency values, the magnitude of voltage of normal power supply, automatically terminate alarm condition, recover resting state.
Further, described power supply is transported to voltage or the frequency of supply line in different environments
For setting two kinds or above different magnitude of voltage, frequency values or described magnitude of voltage and the associating power supply of frequency values, power supply
Power supply is normal civil power and ups power.
Further, described abnormal electrical power makes ups power according to different tight by inverter intelligent conversion
Anxious situation exports the caution device that is combined as of different frequency values, magnitude of voltage or its frequency values described and magnitude of voltage and supplies
Electricity.
Further, described detector unit is by current rectifying and wave filtering circuit, A/D change-over circuit or waveform shaping circuit
Composition, is sampled or the realization of unit interval inside counting impulse waveform number to voltage waveform by single-chip microcomputer.
Further, described detector unit is by current rectifying and wave filtering circuit, testing circuit, trigger, time concussion
Device and high frequency oscillator composition, by testing circuit detection threshold voltage or frequency threshold triggered time oscillator and
High frequency oscillator concussion realizes.
The two of the purpose of the present invention are to provide the control of the acoustic-optic alarm of a kind of intelligent multiple warning mode
The alarm device of method.
Described Intelligent Acousto-optic alarm device, powers and caution device including normal power supply, ups power, institute
The power output end that the normal power supply stated and ups power are powered connects with caution device power access end, described
Caution device includes has voltage, frequency or described voltage and the detector unit of combination of frequency detection function and police
Show the acousto-optic warning unit of function, described detector unit power output end and acousto-optic warning unit incoming end phase
Connect, form the caution device of integral structure.
Further, described acousto-optic warning unit includes warning lamp, speaker or described warning lamp and raises one's voice
The combination of device.
The three of the purpose of the present invention are to provide the control of the acoustic-optic alarm of a kind of intelligent multiple warning mode
The warning system of method.
The warning system of the acoustic-optic alarm of the control method of described Intelligent Acousto-optic alarm device, described
Warning system is combined by several caution devices, and several caution devices are distributed in each district in parallel
Territory, forms the warning system in each region, and this warning system power supply lines is connected to a total external input
Normal power supply and ups power.
Further, described warning system also includes that the illuminating lamp being distributed in regional and/or other electricity consumptions set
Standby, the power circuit of each caution device is parallel on illuminating lamp and/or other electrical equipment electrical networks respectively, with
Above-mentioned electrical network combines together, and in this electrical network, normal illumination lamp can be independent, it is also possible to is caution device
The illumination condition of a kind of zero dangerous warning.
Beneficial effects of the present invention:
1, the present invention is by the detector unit detection frequency of supply value of caution device, magnitude of voltage or described frequency values
With the combination of magnitude of voltage, according to detection numerical value caution device intelligent decision and start corresponding warning way, make
It is saved owing to the warning that has an accident postpones or delayed causes delay to be withdrawn, and is greatly improved the warning effect of caution device
Really, play preferably effect, thus alleviate the generation of accident.
2, the present invention is in addition to normal power supply, (includes single group, two groups or above storage also by ups power
Electricity battery or the battery combination different magnitude of voltage of output), or storage batteries or set of cells changed by inverter
Alternating current is become to export different frequency values, magnitude of voltage or described frequency values and the combination of magnitude of voltage.Described warning
Detector unit that include equipment voltage detecting, frequency detecting or described voltage and frequency detect simultaneously and warning function
Acousto-optic warning unit, automatically detected the voltage of power supply, frequency by detector unit, and according to testing result from
The dynamic caution device that controls is operated in different warning ways, it is achieved alarm device or warning system intelligent alarm.
3, the present invention need not set up the lines such as independent alarm circuit, alarm device and warning system and original illumination
Road connects, and uses instant inserted and instant using type to connect, and quantity and position are based entirely on the needs of site environment and freely arrange,
It is effectively combined, special alarm circuit need not be laid, install simple and convenient, lay low cost.
4, the alarm device of the present invention includes warning lamp, speaker or described warning lamp and the combination of speaker,
Can select to carry out the warning of different danger classes according to different degrees of danger.Avoid distinguishing danger classes
The fear of personnel that may cause of other type of alarms and the waste of human and material resources.
5, the type of alarm of alarm device of the present invention and warning system can be diversified, according to the fault occurred or and danger
Danger degree, in time, effectively sends different warning ways, makes field operation personnel have the sufficient time to take
Appropriate coping style.
Accompanying drawing explanation
Fig. 1 is the control circuit functional-block diagram of the embodiment of the present invention 1.
Fig. 2 is the block diagram of the embodiment of the present invention 1.
Fig. 3 is that a kind of of the embodiment of the present invention 1 implements circuit scattergram.
Fig. 4 is the block diagram of the embodiment of the present invention 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment 1
With reference to the control method of the Intelligent Acousto-optic alarm device shown in Fig. 1, described control method is: power supply
Power supply is transported to the two or more different voltage of supply line or frequency, acoustic-optic alarm in different environments
Automatically detected voltage or the frequency of supply line by built-in detector unit, then according to the magnitude of voltage of detection or
Frequency values, in different scopes, automatically starts sound and light alarm and is operated in different states.That is, Intelligent Acousto-optic report
The control method of alarm device is: set the power supply electricity of two or more different voltage, frequency or described voltage and frequency
Source circuit, by arranging a detector unit on acoustic-optic alarm, utilizes detector unit detection sound and light alarm dress
That puts accesses the voltage of power circuit, frequency or described voltage and the different value of frequency values, according to the difference of detection
Value scope starts the different operating state of sound and light alarm.
The two or more different magnitudes of voltage of above-mentioned setting, frequency values or described magnitude of voltage and the power supply of frequency values
Circuit is normal mains-supplied and ups power is powered.Described detector unit is electric by rectifying and wave-filtering by detector unit
Road, A/D change-over circuit or waveform shaping circuit composition, sampled or the unit interval to voltage waveform by single-chip microcomputer
Inside counting impulse waveform number realizes.Described detector unit by current rectifying and wave filtering circuit, testing circuit, trigger,
Time oscillator and high frequency oscillator composition, by testing circuit detection threshold voltage or frequency threshold triggered time
Oscillator and high frequency oscillator concussion realize.
Realize the Intelligent Acousto-optic alarm device of the control method of above-mentioned Intelligent Acousto-optic alarm device, with reference to Fig. 2
Shown in, including normal power supply (external input power supply) 1, ups power 2 and caution device 3, described is normal
The power output end of power supply 1 and ups power 2 connects with caution device 3 power access end, described caution device 3
Include and there is magnitude of voltage, frequency values or described magnitude of voltage and the detector unit of frequency values detection function and warning merit
The acousto-optic warning unit of energy, described detector unit connects with acousto-optic warning unit and forms the warning of integral structure
Equipment 3, the power access end of this caution device 3 is furnished with the attaching plug of external neighbouring electric network source socket.
When above-mentioned external input normal power supply 1 is normal work, certain specific AC or DC of electrical network is stable
Power supply, such as 220V civil power electricity consumption, described ups power 2 is by singly organizing storage batteries or set of cells, two groups of storage electricity
Battery or set of cells or storage batteries more than two or set of cells are constituted.This ups power 2 is changed by inverter
Become the alternating current output of different frequency values, magnitude of voltage or its frequency values described and magnitude of voltage combination.This alternating current
Export by accessing normal power supply 1 line powering to caution device 3.Described acousto-optic warning unit includes warning
Lamp 32, speaker 33 or described warning lamp 32 and the combination of speaker 33, described warning lamp 32 can be configured as
Have illumination functions, i.e. warning lamp 32 can be used as illuminating lamp use in the case of not reporting to the police.Specifically, institute
The detector unit 4 that voltage detecting, frequency detecting or the described voltage stated and frequency detect simultaneously is three kinds: the
A kind of for the active voltage sample circuit after rectifying and wave-filtering；The second is the pulse-scaling circuit after waveform shaping；
The third is the combination of the active voltage sample circuit after rectifying and wave-filtering and the pulse-scaling circuit after waveform shaping
Circuit；Acousto-optic warning unit includes three kinds, and the first is one or more warning lamps 32；The second is one
Or multiple speaker 33；The third combines for one or more warning lamps 32 and one or more speaker 33；Institute
The detection signal output part of the detector unit 4 stated connects with acousto-optic warning cell signal incoming end；Described acousto-optic
Alarm unit goes out normal power supply 1 or the magnitude of voltage of ups power 2 power supply, frequency according to detector unit 4 independent detection
Value or detect described magnitude of voltage and frequency values simultaneously and carry out selecting to open different acousto-optic group at different value ranges
Close warning way, caution device can be made to send sound in various degree, light or described sound and light group
Close.
The rate-determining steps of above-mentioned Intelligent Acousto-optic alarm device is:
Step 1: when normal power supply 1, caution device belongs to resting state, i.e. at civil power 220V normal power supply
Time, caution device is resting state, and as caution device has illumination functions, warning lamp 32 is the most shinny；
Step 2: when normal power supply power-off or other emergencies, supply intelligent switching equipment is according to urgent feelings
The difference of condition, starts abnormal electrical power and exports different magnitude of voltage, frequency values or its magnitudes of voltage described and frequency values
Combinations of voltages.I.e. ups power 2 exports different frequency values, magnitude of voltage or institutes by inverter intelligent conversion
State the AC-powered of its frequency values and magnitude of voltage combination to caution device.Now, the detector unit of caution device
When the combination of frequency values, magnitude of voltage or its frequency values described and magnitude of voltage that ups power 2 powers being detected, from
The dynamic warning function starting caution device, selects the warning way of its acousto-optic warning unit；
Step 3: when normal power supply power-off or other special emergency are released from, supply intelligent switching equipment is cut
Change power supply and return to normal power supply state.The detector unit of caution device detects that supply line returns to
When the frequency values of normal power supply, magnitude of voltage, automatically terminate alarm condition, recover resting state.
As in construction operation scene, when normal operation, external input normal power supply 1 normal power supply, voltage
With in the frequency value range when normal use, the speaker 33 of caution device 3 does not rings；If warning lamp 32 is held concurrently
Make illuminate time, the most shinny, if not doubling as normal illumination, can make duty instruction.When city occurs
During electricity normal power supply power-off or during the warning of certain alarm level, switched inverse for ups power 2 by power supply smart
Become output to combine according to different frequency value, magnitude of voltage or its frequency values described and the magnitude of voltage of different alarm level
Alternating current.Alternating current through current rectifying and wave filtering circuit, A/D change-over circuit or waveform shaping circuit by magnitude of voltage,
Pulse signal is sent to single-chip microcomputer, and single-chip microcomputer judges warning etc. further according to the pulse number of magnitude of voltage or unit interval
Level automatically startup caution device 3 open corresponding type of alarm.Warning lamp 32 can be in several color
Certain, can be with stabilized illumination, it is also possible to according to the flash of light of different frequency, light can form the effects such as rotation.
Speaker 33 can trigger simultaneously, it is also possible to time different, carries out the combination of necessity.During beginning, alarm sound can
Relatively low with ratio, gradually improve, in order to avoid producing scaring, finally stable in high sound.The size of wave volume,
Kind can select as required.When warning device recovers normal power supply, when voltage, frequency retrieval are normal, alert
Show that equipment 3 automatically terminates sound and light alarm, recover normal operating conditions.
When above-mentioned sound and light alarm starts, the chimes of doom that the brightness warning of described warning lamp 32 and speaker 33 send
Sound, the warning brightness of its warning lamp 32 or the sounding alarm mode of color and speaker 33 can set voluntarily according to user
Determine and combination, such as: may be set to: 1, warning during power-off is: warning lamp 32 lights dim is a little, white light,
But can interval flashing；Speaker 33 sound is steady simultaneously, and volume is smaller；2, a little dangerous, submit everybody to
Note the situation of periphery, but need not be alarmed: warning lamp 32 light generation low-frequency degree interruption flicker HONGGUANG, meanwhile,
The chimes of doom that in speaker 33 generation, frequency is interrupted；3, police during emergency (as accident, danger occur)
Show and be: warning lamp 32 rotates warning HONGGUANG for frequent, and speaker 33 sound sharply rises and falls.The warning of the present invention
The warning brightness of lamp 32 or the sound warning way of color and speaker 33 are not restricted to above two mode.
With the warning system of the acoustic-optic alarm of above-mentioned intelligent multiple warning mode, described warning system
System is combined by several caution devices 3, and several caution devices 3 are distributed in regional in parallel,
Forming the warning system in each region, it is normal that this warning system power supply lines is connected to a total external input
Power supply 1 and ups power 2, as shown in Figure 3.The power circuit of each caution device 3 in described warning system
Be connected in parallel on respectively illuminating lamp 8 and/or on other electrical equipment electrical networks, with illuminating lamp electrical network and/or other electricity consumptions
Equipment electrical network combines together, and the most each caution device 3 can connect, according to field demand, the electricity being arranged on illuminating lamp 8
On the power supply grid of source or on the electrical network of other power supply units, such as, plug can be set on caution device 3, just
Closely it is inserted on the socket of lighting mains, can use.
Embodiment 2
With reference to the acoustic-optic alarm of the intelligent multiple warning mode shown in Fig. 4, it is technically characterized by comprising the steps as follows: employing
Electronic circuit realize, described detector unit by current rectifying and wave filtering circuit 5, testing circuit 6, trigger 34, time
Between oscillator 35 and high frequency oscillator 36 form, detect threshold voltage by testing circuit 6 or frequency threshold trigger
Time oscillator and high frequency oscillator concussion realize.Detector unit connects with acousto-optic warning unit and forms integral type knot
The caution device 3 of structure.Described detector unit 4 will by the different magnitudes of voltage in detection supply line, frequency values
Trigger the concussion time of change time oscillator 35, high frequency oscillator 36 output voltage etc., thus automatically start report
Alert equipment difference alarming effect.Remaining ibid embodiment.
During application, the warning lamp 32 of caution device 3 and the alarm mode of speaker 33 are by line voltage value, frequency
The detector unit 4 of value or described magnitude of voltage and the combined detection of frequency values controls, according to detect different magnitude of voltage,
The warning way of the scope selectively unlocking caution device 3 of frequency values.Concrete, such as, when civil power normally supplies
During electricity power-off, ups power 2 automatically switches to power supply 2, sets the DC12V low-voltage direct of ups power 2
The directly power supply of storage electricity, testing circuit 5 is triggered what device 34, time oscillator 35 and high frequency oscillator 36 combined
Detector unit detects, and automatically starts caution device 3 according to this power input status, opens caution device 3
Speaker 33 sound and a kind of mode of setting such as warning lamp 32 brightness report to the police；When breaking down or accident
Time, the DC24V of ups power 2 it being powered, testing circuit 5 is triggered device 34, time oscillator 35 and height
Frequently the detector unit that oscillator 36 combines detects, and starts caution device according to power input status now
3, open the speaker 33 sound mode of caution device 3 and LED warning lamp 32 brightness etc. according to set another
The mode planting high intensity is reported to the police.
Embodiment 3
The described warning system that is technically characterized by comprising the steps as follows: of the present embodiment also includes being distributed in the photograph of construction operation regional
Bright lamp 8, this illuminating lamp 8 uses LED, and this LED is the complementary warning device of caution device, has report
Alert function, i.e. when caution device 3 starts warning function, LED illumination lamp 8 plays warning function equally, can send out
The effects such as the flash caution of raw different modes, even change color.Remaining ibid embodiment.
Claims (10)
1. the control method of Intelligent Acousto-optic alarm device, is characterized in that: described control method is: power supply
The voltage or the frequency that are transported to supply line in different environments also differ, and acoustic-optic alarm is by built-in
Detector unit automatically detect voltage or the frequency of supply line, then magnitude of voltage or frequency values according to detection exist
Different scopes, automatically starts sound and light alarm and is operated in different states.
The control method of Intelligent Acousto-optic alarm device the most according to claim 1, is characterized in that: described method
Rate-determining steps be:
Step 1: select to set a kind of magnitude of voltage of supply line and frequency values as normal power supply state, just
Often under power supply state, caution device belongs to resting state, now, if alarm is with illumination functions, illumination
Function is in normal luminous illumination condition；
Step 2: select to set another kind or multiple different magnitude of voltage, frequency values or the described electricity of supply line
Pressure value, frequency values combination as abnormal electrical power state, in normal power supply power-off or other special emergency
Under, supply intelligent switching equipment according to the difference of emergency, start the different magnitude of voltage of abnormal electrical power output,
Frequency values or its magnitude of voltage described and the combinations of voltages of frequency values, now, the detector unit of caution device detects
When the frequency values of abnormal electrical power, magnitude of voltage or its frequency described and combinations of voltages value, automatically start caution device
Be operated in different alarm condition；
Step 3: when normal power supply power-off or other special emergency are released from, supply intelligent switching equipment
Switching power supply returns to normal power supply state, and the detector unit of caution device detects that supply line recovers
During to frequency values, the magnitude of voltage of normal power supply, automatically terminate alarm condition, recover resting state.
The control method of Intelligent Acousto-optic alarm device the most according to claim 1, is characterized in that: described
Power supply is transported to the voltage of supply line or frequency in different environments for setting two kinds or above difference
Magnitude of voltage, frequency values or described magnitude of voltage and the associating power supply of frequency values, power supply is normal civil power and UPS
Power supply.
The control method of Intelligent Acousto-optic alarm device the most according to claim 2, is characterized in that: described is non-
Normal power supply makes ups power export different frequencies according to different emergencies by inverter intelligent conversion
The caution device that is combined as of value, magnitude of voltage or its frequency values described and magnitude of voltage is powered.
The control method of Intelligent Acousto-optic alarm device the most according to claim 1, is characterized in that: described inspection
Survey unit to be made up of, by single-chip microcomputer to voltage current rectifying and wave filtering circuit, A/D change-over circuit or waveform shaping circuit
Waveform sampling or unit interval inside counting impulse waveform number realize.
The control method of Intelligent Acousto-optic alarm device the most according to claim 1, is characterized in that: described inspection
Survey unit to be made up of current rectifying and wave filtering circuit, testing circuit, trigger, time oscillator and high frequency oscillator, logical
Cross testing circuit detection threshold voltage or frequency threshold triggered time oscillator and high frequency oscillator concussion realizes.
Intelligent Acousto-optic alarm device the most according to claim 1, supplies including normal power supply (1), ups power
Electricity (2) and caution device (3), is characterized in that: described normal power supply (1) and ups power power (2)
Power output end connect with caution device (3) power access end, described caution device (3) includes tool
There are voltage, frequency or described voltage and the detector unit of combination of frequency detection function and the acousto-optic warning of alarm function
Unit, described detector unit power output end connects with acousto-optic warning unit incoming end, forms integral structure
Caution device (3).
8. according to the Intelligent Acousto-optic alarm device described in claim 5 or 6, it is characterized in that: described acousto-optic warning
Unit includes warning lamp (32), speaker (33) or described warning lamp (32) and speaker (33)
Combination.
9. the sound and light alarm with the control method of the Intelligent Acousto-optic alarm device described in claim 1,5 or 6
The warning system of device, is characterized in that: described warning system is combined by several caution devices (3),
Several caution devices (3) are distributed in regional in parallel, form the warning system in each region, this report
Alarm system power supply lines is connected to a total external input normal power supply (1) and ups power (2).
Warning system the most according to claim 10, is characterized in that: described warning system also includes being distributed in respectively
The illuminating lamp (8) in individual region and/or other electrical equipments, the power circuit of each caution device (3) is respectively
It is parallel on illuminating lamp (8) and/or other electrical equipment electrical networks, combines together with above-mentioned electrical network, at this electrical network
In, normal illumination lamp can be independent, it is also possible to is the photograph of a kind of zero dangerous warning of caution device (3)
Bright state.
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| CN201410529640.1A CN105894745B (en) | 2014-09-23 | 2014-09-23 | The control method and its warning device and system of intelligent Acousto-optic warning device |
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| CN105894745B CN105894745B (en) | 2018-11-23 |
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Cited By (3)
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| CN107592706A (en) * | 2017-10-12 | 2018-01-16 | 中建交通建设集团有限公司 | The illuminating energy-saving controller in tunnel in shield-tunneling construction |
| CN112863089A (en) * | 2020-12-30 | 2021-05-28 | 武汉楚客科技有限公司 | Intelligent control system and method of audible and visual alarm |
| CN112946417A (en) * | 2021-01-27 | 2021-06-11 | 杭州夏众电子科技有限公司 | Electric power monitoring system with fault position detection function |
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|---|---|---|---|---|
| CN107592706A (en) * | 2017-10-12 | 2018-01-16 | 中建交通建设集团有限公司 | The illuminating energy-saving controller in tunnel in shield-tunneling construction |
| CN107592706B (en) * | 2017-10-12 | 2024-01-26 | 中建交通建设集团有限公司 | Lighting energy-saving control device for tunnel in shield construction |
| CN112863089A (en) * | 2020-12-30 | 2021-05-28 | 武汉楚客科技有限公司 | Intelligent control system and method of audible and visual alarm |
| CN112946417A (en) * | 2021-01-27 | 2021-06-11 | 杭州夏众电子科技有限公司 | Electric power monitoring system with fault position detection function |
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| Publication number | Publication date |
|---|---|
| CN105894745B (en) | 2018-11-23 |
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