CN101776240B - System and method for emergency lighting - Google Patents
System and method for emergency lighting Download PDFInfo
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- CN101776240B CN101776240B CN2010100039802A CN201010003980A CN101776240B CN 101776240 B CN101776240 B CN 101776240B CN 2010100039802 A CN2010100039802 A CN 2010100039802A CN 201010003980 A CN201010003980 A CN 201010003980A CN 101776240 B CN101776240 B CN 101776240B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention provides a system and a method for emergency lighting. The system comprises a lighting light source, a switching power supply for connecting with AC commercial power, converting the AC commercial power into DC power and supplying power to a constant current driving module, the constant current driving module for driving the lighting light source to emit light and provide lighting, standby batteries for supplying power to the constant current driving module under the control of a controller, and the controller for controlling the standby batteries to supply power to the constant current driving module so as to drive the lighting light power to emit light and provide lighting when the power grid blacks out and the switching power supply is not output normally for the first time, and controlling the standby batteries to stop supplying power to the constant current driving module when the switching power supply is not normally output for the second time in a first preset time. The invention can intelligently control the working states of a lamp by calculating the number of abnormal output of the switching power supply within a set time, and can remotely control the system to operate correspondingly, so the use is more convenient.
Description
Technical field
The present invention relates to a kind of emergency lighting circuit engineering field, be specifically related to a kind of emergency lighting system and method.
Background technology
The application ubiquity of emergency lighting system in daily production and life when normal commercial power supply breaks down interruption suddenly, in order not influence production, must start stand-by power supply, to satisfy the most basic lighting demand immediately after civil power interrupts; But when having a power failure, it is that outage or the user oneself that electric network fault causes closed power supply on earth that existing emergency lighting system mostly can not differentiated, if user oneself has closed power supply, just need not start stand-by power supply; But after user's powered-down, emergency system just starts stand-by power supply supplies power to lighting source, causes unnecessary waste and trouble usually.
Summary of the invention
Deficiency based on prior art; The problem that the present invention need solve is to be to provide a kind of emergency lighting system and method, and it can be in the time of setting, through calculating the number of times of the undesired output of power switch; The duty of Based Intelligent Control light fixture is used convenient.
For addressing the above problem, the present invention provides a kind of emergency lighting system, and it comprises: lighting source; Switching Power Supply is used for the incoming transport civil power, and electric main is converted into dc source and is the constant-current driven module power supply; Constant-current driven module is used to drive said lighting source luminous lighting; Reserve battery is used under the control of controller, supplying power to constant-current driven module; Controller, it is used for working as grid power blackout, when Switching Power Supply output is for the first time undesired, controls said reserve battery to constant-current driven module powered lighting source luminous lighting; When in first Preset Time, working as grid power blackout, when Switching Power Supply output is for the second time undesired, controls said reserve battery and stop to supply power to constant-current driven module.
Particularly; Said reserve battery is a rechargeable battery; This emergency lighting system comprises that also a charge control module is connected with said Switching Power Supply, reserve battery and controller respectively; This charge control module is used for detecting said reserve battery electric weight when not enough when said controller, controls said Switching Power Supply said reserve battery is charged.Also be provided with positioning indicator in addition and link to each other, be used to the state of charge of indicating said reserve battery current with said reserve battery.
Said controller includes the memory that is used to store first Preset Time and second Preset Time, is used for counter and timer that number of times is closed in the power supply of sense switch power supply; When normal, the not discharge of reserve battery of said timer accumulative total timing said Switching Power Supply output in the second Preset Time section, controller cuts out Switching Power Supply, and controlling said reserve battery discharge, to drive said constant-current driven module be the lighting source power supply.Do the activity that can keep battery like this, prevent cell degradation, prolong the service life of battery.
This system can also comprise the remote control receiver module, is used to receive remote information and is sent to said controller, and said controller carries out corresponding control operation according to remote information.
The present invention also provides a kind of emergency lighting control method, and it comprises the steps:
A, setting first Preset Time;
Whether B, monitoring Switching Power Supply are exported normal, work as grid power blackout, and when Switching Power Supply output was for the first time undesired, the control reserve battery was supplied power to lighting source; When the output of Switching Power Supply in first Preset Time was for the second time undesired, the control reserve battery stopped to supply power to lighting source.
Improvement as the inventive method; When monitoring Switching Power Supply output just often, control detects the state of charge of reserve battery, when the electric weight of reserve battery is not enough; Control is charged to reserve battery, and positioning indicator is indicated the current state of charge of said reserve battery in the time of charging.
As the improvement of the inventive method, also comprise after the said step B: control receives remote information, carries out corresponding control operation according to remote information.
As the improvement of the inventive method, also comprise after the said step B: when in first Preset Time, monitoring Switching Power Supply output when undesired for the third time, system gets into resting state, with the conserve batteries energy, and after restoring electricity, waken system, operate as normal.
As the improvement of the inventive method, said steps A also comprises sets second Preset Time; Said step B further comprises: when the accumulative total timing of not discharging of the normal continuously output of Switching Power Supply output and reserve battery reaches second Preset Time, then mains supply is closed in control, and controls said reserve battery discharge and supply power for lighting source.
The present invention calculates the number of times of the undesired output of power switch through controller, and the duty of Based Intelligent Control light fixture is used convenient.
For making the present invention be more prone to understand, will combine accompanying drawing further to set forth the present invention below.
Description of drawings
Fig. 1 is the system architecture sketch map of a kind of emergency lighting system of the present invention in a kind of specific embodiment;
Fig. 2 is the circuit diagram of the present invention a kind of emergency lighting control system in a kind of specific embodiment.
Fig. 3 is the flow chart of a kind of emergency lighting control method of the present invention in a kind of specific embodiment;
The specific embodiment
The present invention can be applicable to the general lighting field, is on ordinary luminaire, to install emergent and distant control function additional, makes things convenient for the user when the needs emergency lighting, to use.
With reference now to accompanying drawing, describe embodiments of the invention, at first with reference to figure 1, a kind of emergency lighting system in the present embodiment comprises: lighting source 1; Switching Power Supply 2 is used for the incoming transport civil power, and electric main is converted into dc source and is the constant-current driven module power supply; Constant-current driven module 3 is used to drive said lighting source luminous lighting; Reserve battery 4 is used under the control of controller, supplying power to constant-current driven module; Controller 5, it is used to detect works as grid power blackout, when Switching Power Supply 2 outputs are for the first time undesired, controls said reserve battery to constant-current driven module powered lighting source luminous lighting; When in first Preset Time (in), when Switching Power Supply 2 outputs are for the second time undesired, control said reserve battery and stop to supply power to constant-current driven module such as 10 seconds.Undesired not being meant of Switching Power Supply 2 output there is not output, or output is lower than a certain magnitude of voltage, and it is multiple to cause the abnormal reason of Switching Power Supply 2 outputs to have, and can be that electric main breaks down; It also can be the artificial supply of cutting off civil power; Can also be that circuit system breaks down.
Particularly; Above-mentioned lighting source 1 can be the LED fluorescent lamp; Above-mentioned reserve battery 4 is a rechargeable battery; Charge control module 6 is connected with controller 5 with said Switching Power Supply 2, reserve battery 4 respectively, and when said controller 5 detects said reserve battery 4 electric weight when not enough, these charge control module 6 gauge tap power supplys 2 charge for reserve battery 4.In addition, reserve battery 4 also is provided with a positioning indicator 7, is used to indicate the current state of charge of reserve battery 4.Remote control receiver module 8 is used to receive remote information and is sent to said controller, and said controller carries out corresponding control operation according to remote information.Accessory power supply 9 among Fig. 1 provides working power for the running of above-mentioned charge control module 6, controller 5 and remote control receiver module 8.This system also comprises accessory power supply 9; Voltage that these accessory power supply 9 receiving key modules 2 are exported and the voltage that converts different numerical value into; Be used for power supply, the power supply of different voltages be provided for example for controller 5 and remote control receiver module 8 other module supply demands of different of system.
Include the memory that is used to store first Preset Time and second Preset Time in the above-mentioned controller 5, be used for counter and timer that number of times is closed in the power supply of sense switch power supply.
When the long-time normal illumination of lighting source, make when reserve battery does not discharge for a long time, when the MCU controller reaches the official hour value through the timing of internal timer accumulative total; The MCU controller will cut out Switching Power Supply; Start reserve battery and supply power, let subsequent use rechargeable battery discharge, thereby keep the activity of battery with the method for throwing light on to lighting source; Prevent cell degradation, prolong the service life of battery.
This system all can control this system through remote controller and operate accordingly at the various states except resting state, such as emergent, illumination, light modulation, the discharge of light fixture, charging all can be through the distant control function operation.
Describe the operation principle of the present invention and the course of work below in detail:
At mains supply just often, Switching Power Supply is started working to system's power supply, and after the MCU controller detected power supply power supply normally, the work of control constant-current drive circuit made the lighting luminous lighting; Simultaneously, whether the MCU controller detects rechargeable battery voltage needs charging, and charge control module work charges the battery when needs charge; The state of a control indicator with the color that being different from emergent indication, different flicker number of times pilot cell voltage (for example in charging; Once stopped one second from the orange flicker of charging beginning, stop charging in a second for five times to flicker and finish), be full of the back charge control module at battery and stop charging; Get into the illumination single-mode, (green flicker secondary stopped one second).
When electric network fault had a power failure, the output voltage of MCU controller sense switch power supply was when being lower than setting value, and system gets into emergency rating; The power supply of MCU controller control reserve battery; The control constant-current driven module is by setting the emergency lighting of current drives lighting source, and the MCU controller is through positioning indicator, by the color that is different from charging and different flicker number of times pilot cell electric weight (for example in the reserve battery powered lighting; Stopped one second for five times from the red flicker of discharge beginning; Once stopping one second battery discharge to flicker finishes), when reserve battery discharges into the final voltage of setting, MCU controller control lighting-off; And stop all working entering resting state, to save electric energy loss.If the power system restoration power supply, just the MCU controller wakes the normal power supply illumination work state that gets into up.
When the mains supply operate as normal,, can in official hour, close illumination by twice powered-down switch if user oneself will close illumination; Like the powered-down switch first time; System can get into emergency lighting (the MCU controller is judged as electric network fault or grid power blackout and emergency lighting), as secondary in the short time of regulation open, the powered-down switch, the illumination of MCU controller control system closing gets into preset condition; Can also start its straighforward operation of Xingqi of going forward side by side of throwing light on through remote control under this state; As in the short time of regulation, open for the third time, the powered-down switch, the MCU controller is for saving battery electric quantity, the control system gets into resting state; Not started by remote control and control, system will rework and recover illumination and charging when power system restoration is supplied power or turned on the power switch; If in official hour, there is not the multi-pass operation power switch, the MCU controller resets the zero clearing of switch number of times, when switch next time, counts again.
Fig. 2 shows the circuit diagram of the present invention a kind of emergency lighting control system in a kind of specific embodiment, and particular circuit configurations can be seen this figure.
The present invention can control the duty of light fixture through the switch number of times of power switch; Can be through of the duty accumulative total timing of MCU internal timer to light fixture, when not discharging for a long time, control circuit discharges to prolong the service life of battery to battery automatically; Indicating circuit is with the electric weight of the different number of times pilot cell of various colors when the light fixture charge or discharge.
The embodiment of the inventive method is described with reference to the drawings, a kind of emergency lighting control method also is provided, this method can realize that it comprises the steps: on the basis of said system
A, setting first Preset Time, second Preset Time.
Normally whether B, monitoring Switching Power Supply output:
When detecting grid power blackout, when Switching Power Supply output is for the first time undesired, then controls reserve battery and supply power to lighting source.Control can receive remote information, and can carry out corresponding control operation according to remote information.For example the illumination light source is adjusted the intervention switch of brightness, control civil power and is made system get into resting state.
When in first Preset Time, when Switching Power Supply output is for the second time undesired, then controls reserve battery and stop to supply power to lighting source.System's control can receive remote information, and carries out corresponding control operation according to remote information.
When in first Preset Time, monitor Switching Power Supply output when undesired for the third time, remote information is no longer accepted in control, until the city power recovery regular supply.
When system monitoring is normally exported when power supply to Switching Power Supply; Then can detect the state of charge of reserve battery; When the electric weight of reserve battery is not enough, can control reserve battery is charged, indicate the current state of charge of said reserve battery through positioning indicator in the time of charging.
When the continuously normal output power supply of Switching Power Supply and reserve battery not have the time accumulative total timing of discharge to reach second Preset Time, then the output of Switching Power Supply is closed in system's control, and to control said reserve battery discharge be that lighting source is supplied power.Can keep the activity of battery like this, extend the life of a cell.
In addition, also the 3rd Preset Time can be set in other embodiments, the 3rd Preset Time can be more than or equal to first Preset Time.System can be provided with when in first Preset Time, monitoring Switching Power Supply and export for the third time when undesired, and remote information is no longer accepted in control, and system gets into resting state, until the city power recovery regular supply; Also can be set to export for the third time when undesired when in the 3rd Preset Time, monitoring Switching Power Supply, system gets into resting state, until the city power recovery regular supply.
Also have, whether whether the intervention that detects civil power (normally insert), both can detect the urban electric power switch, and whether output that also can the sense switch power supply is normal.
Below with reference to Fig. 2, this method is described in further detail.
Step 01: initialization adds first scheduled time, second scheduled time.
Step 02: whether the output of sense switch power supply is normal: be then carry out step 13; Otherwise carry out step 03.Certainly, in other embodiments, also can be to detect the urban electric power switch whether to connect, but whether the output of sense switch power supply normally can judge whether normal supply of civil power more exactly.
Step 03: the switch number of times (being the undesired output number of times of Switching Power Supply) to Switching Power Supply is once counted.
Step 04: judge whether that inside counting reaches twice in first scheduled time, i.e. whether Switching Power Supply not output for the second time in first scheduled time: be, then carry out step 18, otherwise carry out next step.
Step 05: judge whether to reach three times, i.e. whether Switching Power Supply not output for the third time in first scheduled time: be, then carry out step 11, otherwise carry out next step in the inside counting of first scheduled time.
Step 06: whether charged battery voltage is low excessively: low excessively, then carry out step 12; Otherwise carry out next step.Judge whether rechargeable battery is low excessively, can set a standard voltage value earlier, the rechargeable battery output voltage is less than this standard voltage value, then thinks the brownout of rechargeable battery.
Step 07: the rechargeable battery output voltage, the illumination light source power supply makes the lighting source illumination.
Step 08: supply with illumination in discharge through indicator indication rechargeable battery.
Step 09: judged whether to receive remote information:, then return step 02 as not; Otherwise carry out step 10.
Step 10: carry out work according to remote information, for example regulate the brightness of illumination; The control urban electric power switch; Make system get into resting state, no longer receive any remote information.
Step 11: system gets into resting state, not remote-controlled startup of this state and control, and when power system restoration was supplied power or turned on the power switch, system just can rework and recover illumination and charging.Like operating power switch more not in first scheduled time, then will the counting zero clearing of switch number of times (abnormal number of times is not exported or exported to switch module) be resetted, when switch next time, count again.
Step 12: insert civil power,, rechargeable battery is being charged, and carry out step 11 if civil power can normal supply; If civil power breaks down, can not normally insert, then carry out step 11.
Step 13: judge whether Switching Power Supply exports normal power supply continuously and reserve battery does not have the time accumulative total timing of discharge to reach second Preset Time: be then carry out step 14; Otherwise, then carry out step 15.
Step 14: mains supply is closed in control, or the output of shutdown switch power supply, and control said reserve battery discharge and supply power for lighting source, can keep the activity of battery like this, extend the life of a cell.In addition, Switching Power Supply is normally exported the time accumulative total timing zero clearing that power supply and reserve battery do not have discharge continuously.
Step 15: normally insert civil power, drive the lighting source illumination.
Step 16: whether timing reached for first scheduled time: if reach, then switch is counted zero clearing, carry out step 17; Otherwise carry out step 17.
Step 17: judge whether battery needs charging: if then carry out step 20; Otherwise, carry out step 22.
Step 18: get into preset condition: stop the illumination light source power supply, but system can be according to external remote control information start-up control system, for example emergent, illumination, light modulation, the discharge of light fixture, charging all can be through the distant control function operation.
Step 19: be in preset condition through the indicator indication mechanism.
Step 20: the control civil power charges to rechargeable battery.
Step 21: be in charged state through the indicator pilot cell, and show the voltage of rechargeable battery.
Step 22: stop civil power rechargeable battery is charged.
Step 23: the guidance lighting light source is in the normal illumination state.
Wherein, indicator is in different state according to system and indicates:
For example the state of a control indicator is with the color that being different from emergent indication, different flicker number of times pilot cell voltage (for example in charging; Once stopped one second from the orange flicker of charging beginning; Stopping charging in a second for five times to flicker finishes); Be full of the back charge control module at battery and stop charging, get into the illumination single-mode, (green flicker secondary stopped one second).
When electric network fault has a power failure; The output voltage of MCU controller sense switch power supply is when being lower than setting value; System gets into emergency rating, the power supply of MCU controller control reserve battery, and the control constant-current driven module is by setting the emergency lighting of current drives lighting source; The MCU controller passes through positioning indicator in the reserve battery powered lighting; By color that is different from charging and different flicker number of times pilot cell electric weight (for example, stopped a second for five times, once stop one second battery discharge to flicker and finish) from the red flicker of discharge beginning.
Above disclosedly be merely preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, the equivalent variations of therefore doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (9)
1. emergency lighting system, it comprises:
Lighting source;
Switching Power Supply is used for the incoming transport civil power, and electric main is converted into dc source and is the constant-current driven module power supply;
Constant-current driven module is used to drive said lighting source luminous lighting;
Reserve battery is used under the control of controller, supplying power to constant-current driven module;
It is characterized in that: also comprise controller, it is used for working as grid power blackout, when Switching Power Supply output is for the first time undesired, controls said reserve battery to constant-current driven module powered lighting source luminous lighting; When in first Preset Time when Switching Power Supply output is for the second time undesired, control said reserve battery and stop to supply power to constant-current driven module.
2. a kind of emergency lighting system as claimed in claim 1; It is characterized in that: said reserve battery is a rechargeable battery; This emergency lighting system comprises that also a charge control module is connected with said Switching Power Supply, reserve battery and controller respectively; This charge control module is used for detecting said reserve battery electric weight when not enough when said controller, controls said Switching Power Supply said reserve battery is charged.
3. a kind of emergency lighting system as claimed in claim 2 is characterized in that also comprising that positioning indicator links to each other with said reserve battery, is used to the state of charge of indicating said reserve battery current.
4. like claim 1 or 3 described a kind of emergency lighting systems, it is characterized in that: said controller includes the memory that is used to store first Preset Time and second Preset Time, is used for counter and timer that number of times is closed in the power supply of sense switch power supply;
When normal, the not discharge of reserve battery of said timer accumulative total timing said Switching Power Supply output in the second Preset Time section, controller cuts out Switching Power Supply, and controls said reserve battery discharge.
5. a kind of emergency lighting system as claimed in claim 4 is characterized in that also comprising the remote control receiver module, is used to receive remote information and is sent to said controller, and said controller carries out corresponding control operation according to remote information.
6. an emergency lighting control method is characterized in that it comprises the steps:
A, setting first Preset Time;
Whether B, monitoring Switching Power Supply are exported normal, work as grid power blackout, and when Switching Power Supply output was for the first time undesired, the control reserve battery was supplied power to lighting source; When the output of Switching Power Supply in first Preset Time was for the second time undesired, the control reserve battery stopped to supply power to lighting source;
When monitoring Switching Power Supply output just often, control detects the state of charge of reserve battery, and when the electric weight of reserve battery was not enough, control was charged to reserve battery, and positioning indicator is indicated the current state of charge of said reserve battery in the time of charging.
7. a kind of emergency lighting control method as claimed in claim 6; It is characterized in that: among the said step B: when the output of Switching Power Supply in first Preset Time is for the second time undesired; The control reserve battery stops after the lighting source power supply; Control receives remote information, carries out corresponding control operation according to remote information.
8. a kind of emergency lighting control method as claimed in claim 7 is characterized in that: also comprise after the said step B: when in first Preset Time, monitoring Switching Power Supply output when undesired for the third time, remote information is no longer accepted in control, and system gets into dormancy.
9. a kind of emergency lighting control method as claimed in claim 6 is characterized in that: said steps A also comprises sets second Preset Time; Said step B further comprises: when the accumulative total timing of not discharging of the normal continuously output of Switching Power Supply output and reserve battery reaches second Preset Time, then mains supply is closed in control, and controls said reserve battery discharge and supply power for lighting source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100039802A CN101776240B (en) | 2010-01-11 | 2010-01-11 | System and method for emergency lighting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010100039802A CN101776240B (en) | 2010-01-11 | 2010-01-11 | System and method for emergency lighting |
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| CN101776240A CN101776240A (en) | 2010-07-14 |
| CN101776240B true CN101776240B (en) | 2012-06-27 |
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| CN2010100039802A Expired - Fee Related CN101776240B (en) | 2010-01-11 | 2010-01-11 | System and method for emergency lighting |
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| WO2013059956A1 (en) * | 2011-10-24 | 2013-05-02 | Lam Shun Yee | Convenient mobile led emergency tube light |
| US10547205B2 (en) | 2012-06-07 | 2020-01-28 | Signify Holding B.V. | System and method for emergency lighting |
| JP2014002904A (en) * | 2012-06-18 | 2014-01-09 | Cyber Coin Kk | Fluorescent lamp type led illuminating device, and lighting and lighting-off mode switching method of the same |
| CN103511960A (en) * | 2012-06-27 | 2014-01-15 | 厦门普为光电科技有限公司 | LED lamp tube having conventional lighting function and emergency lighting function simultaneously |
| CN103138341B (en) * | 2012-12-21 | 2015-10-28 | 西子奥的斯电梯有限公司 | A kind of elevator emergency call power output control method |
| CN103354686B (en) * | 2013-07-22 | 2016-08-10 | 耿波 | A kind of self adaptation emergency lighting system |
| CN104734329B (en) * | 2013-12-20 | 2017-12-19 | 国家电网公司 | The electric power system of electricity consumption monitoring equipment |
| CN104734328B (en) * | 2013-12-20 | 2017-12-26 | 国家电网公司 | Electricity consumption monitoring equipment |
| CN107148126A (en) * | 2017-07-19 | 2017-09-08 | 嘉兴国之光核照明科技有限公司 | Nuclear power is emergent to indicate power supply |
| CN108235540B (en) * | 2017-12-30 | 2023-09-15 | 湖南汇博电子科技股份有限公司 | Fire emergency lighting device and fire emergency lighting control method |
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