CN101783527A - Fire emergency lighting power supply having self-checking function - Google Patents
Fire emergency lighting power supply having self-checking function Download PDFInfo
- Publication number
- CN101783527A CN101783527A CN 201010131913 CN201010131913A CN101783527A CN 101783527 A CN101783527 A CN 101783527A CN 201010131913 CN201010131913 CN 201010131913 CN 201010131913 A CN201010131913 A CN 201010131913A CN 101783527 A CN101783527 A CN 101783527A
- Authority
- CN
- China
- Prior art keywords
- perhaps
- power supply
- circuit
- interface circuit
- microcontroller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention provides a fire emergency lighting power supply having a self-checking function. In the fire emergency lighting power supply, by the combination of a switch power supply and a micro-controller, the digital control of the emergency lighting power supply is realized; by using an digital I/O port of the micro-controller, the working state(main supply and inversion) and the load state of the power supply are checked in real time, and according to the state change, the state conversion is controlled, the state is indicated, and faults are alarmed; the voltage of a battery is sampled by using an A/D converter of the micro-controller, and the corresponding battery charge algorithm and intelligent management of the batter charge are realized by software; and the accurate timing(second, minute, hour, day, month and year) is completed by using a real-time clock of the micro-controller, the automatic timing discharge check of the battery is realized, and the hidden danger caused by the capacity shortage of the battery can be found in time. The fire emergency lighting power supply has the advantages of prolonging the service life of the battery, finding system faults in time, and ensuring the fire emergency lighting power supply to work in the normal state to a maximum degree. The fire emergency lighting power supply having the self-checking function can be widely applied to the fire emergency lighting power supply.
Description
Technical field
The present invention relates to field of power supplies, relate in particular to a kind of fire emergency lighting power supply with self-checking function.
Background technology
Along with increasing rapidly of economic scale, quantity large-scale, high-rise public building also increases fast, and the loss that building fire and other natural calamity cause also is ever-increasing trend.Fire emergency and evacuation indication system can play a role in the very first time that disaster takes place, and all were vital [1] to personnel's escape, evacuation and the early stage disaster relief.What adopt in a large number in the building at present is self-powered self fire emergency and evacuation indication system.In this system, the power-supply battery life-span is limited, is generally two to three years, and along with the growth of service time, the capacity of battery descends gradually, even loses efficacy.In order to guarantee the operate as normal of battery, fire emergency lighting power supply generally all provides manual measuring ability, need manually to check one by one, and time-consuming taking a lot of work, and also the expense of changing battery is high, and therefore, fault usually can not in time be found and in time be got rid of.In case the generation disaster, illumination and evacuation indication system cisco unity malfunction, or illumination do not reach specified standard [2] duration, brings serious hidden danger for evacuating personnel and disaster relief work.And the operate as normal that guarantees fire emergency and evacuation indication system is very necessary, to take precautions against natural calamities, mitigation has important and practical meanings [3].As seen, present Emergency Lighting Supply exists the problem that can not detect power supply status in real time and find fault, causes can't guaranteeing the normal shortcoming of using in emergent the use, can't satisfy the actual needs of fire-fighting emergent, exists potential safety hazard.
Summary of the invention
The objective of the invention is to detect power supply status in real time and find fault at present existing Emergency Lighting Supply, can not report to the police automatically or point out, thereby can't guarantee the deficiency of emergency lighting system operate as normal, a kind of operating state that can detect power supply in real time is provided, in time finds fault and the Emergency Lighting Supply of reporting to the police.
The digital power technology is to adopt digital information to come the novel power supply control technology [4] of the overall operation of managing electrical power system and power supply.By digital power manager (DPM), utilize digital signal to realize and the communicating by letter of power supply, monitor and management powers up, order-checking, load allocating and balance, failure condition, heat exchange, maintenance problem and other tasks to finish.The present invention utilizes the digital power technology to solve the deficiency of existing Emergency Lighting Supply, and a kind of Emergency Lighting Supply that can finish real-time detection and warning function is provided.
Fire emergency lighting power supply provided by the present invention comprises microcontroller (MCU), switching power circuit, inverter circuit, battery charge control circuit, battery pack, microcontroller power circuit, keyboard and indicating circuit and optional network interface circuit.
Described microcontroller is the core of power supply control, is connected successively with above-mentioned each part by multichannel I/O mouth.
Described micro controller I/O mouth links to each other with main electro-detection end with the long-range ON/OFF control end of described switching power circuit respectively, link to each other with the control end of described battery charge control circuit, link to each other with the load detecting end with the inversion control end of described inverter circuit.The analog quantity input of described microcontroller links to each other with the voltage sample end of described battery pack.Described microcontroller power circuit is the output of described switching power circuit, after direct voltage is adjusted the circuit step-down, for described microcontroller and peripheral circuit thereof provide power supply.Described microcontroller connects described keyboard and indicating circuit and described optional network interface circuit by the I/O mouth.
By above-mentioned connection, described microcontroller can be monitored and control in real time the operating state of Emergency Lighting Supply automatically by its I/O mouth, utilize the real-time clock (RTC) in the described microcontroller, finish the long-time accurate timing of year, month, realize the timing automatic of battery is detected.Analog to digital converter in the described microcontroller (ADC) is used for cell voltage is carried out tracking and monitoring, realizes the intelligent management to battery charging process, reaches the purpose of extending battery life.Described microcontroller is given the indication that does well according to testing result, and fault is carried out sound and light alarm.
Described microcontroller adopts microcontroller to realize, perhaps adopts chip microcontroller, and perhaps microprocessor is realized, perhaps digital signal processor is realized, perhaps embedded computer is realized, perhaps the microcontroller of realizing with field programmable logic device is realized.
Described microcontroller adopts single microcontroller to realize, perhaps adopts a plurality of microcontrollers to realize that the communication modes between a plurality of microcontrollers is I
2C bus, perhaps CAN bus, perhaps LIN bus, perhaps USB mode, perhaps IEEE1394 mode, perhaps RS232 mode, perhaps RS422 mode, perhaps RS485 mode.
Described optional network interface circuit, adopt the LAN interface circuit, perhaps CAN bus interface circuit, perhaps LIN bus interface circuit, perhaps two bus interface circuits, perhaps Profibus bus interface circuit, perhaps P-NET bus interface circuit, perhaps FF HSE bus interface circuit, perhaps WorldFIP bus interface circuit, perhaps Interbus bus interface circuit, perhaps Lonworks bus interface circuit, perhaps HART bus interface circuit, perhaps DeviceNet bus interface circuit, perhaps CC-Link bus interface circuit, perhaps usb circuit, perhaps IEEE1394 interface circuit, perhaps RS232 interface circuit, perhaps RS422 interface circuit, perhaps RS485 interface circuit.
The concrete course of work of the present invention is as follows:
When power supply entered into mains-supplied state (main electricity condition), microcontroller detected main electricity condition, if determine it is main electricity condition, by the relay change over switch, made light fixture switch to the mains-supplied state.Simultaneously, microcontroller detects in real time to load condition, when load is broken down, sends warning.Utilize analog to digital converter (ADC) the monitoring battery voltage of microcontroller inside, when cell voltage is lower than threshold value, start the quick charge process.Cell voltage can descend when battery was full of electricity, and according to this characteristic, when microcontroller detected Δ U＜0, quick charge stopped, and fills (C/10) then carry out tiny stream.When power supply enters main electricity condition, regularly begin.Utilize the real-time clock (RTC) in the microcontroller, through frequency division obtain second, branch, the time, day, the moon, year markers.When timing arrives ' one month ', under microprocessor controls, cut off main electricity power supply, the startup inversion, lighting is powered by inverter circuit, battery discharge.If under the regular picture condition, battery discharge was kept more than 30 minutes, and the decidable battery capacity meets the demands, otherwise judged the battery capacity deficiency, carried out sound and light alarm.The staff in time changes battery according to alarm condition.When timing is reach ' one year ' time, battery discharge should reach more than 90 minutes.Power supply also is provided with manual measuring ability, carries out the detection of battery capacity at any time by hand push button, and can adjust discharge time according to the requirement of fire department.When microcontroller detects the dereliction electricity, under the control of microcontroller, start inversion, by the relay change over switch, lighting switches to by the inverter power supply state.This state lasts till that always battery discharge stops or main electricity recovers.The various operating states of power supply are indicated by indicator light.
The present invention introduces microcontroller in traditional Switching Power Supply, utilize the affluent resources of microcontroller, realization is to automatic monitoring, control and the state indication of Emergency Lighting Supply running status, malfunction is carried out sound and light alarm, regular detection to battery capacity, reach Based Intelligent Control, thereby accomplish fault is in time found, in time safeguarded, guarantee that Emergency Lighting Supply keeps normal running status battery charging process.The present invention compared with prior art has following advantage and effect:
(1) can timing automatic the capacity of battery be detected, monitoring load fault is in real time in time found the hidden danger of power supply,
Guarantee that power supply normally moves.
(2) realize battery intelligent management, can prolong battery useful life, reduced the operating cost of power supply.
(3) by network interface, can understand the ruuning situation of power supply in real time, increase work efficiency.
Description of drawings
Fig. 1 the present invention has the composition frame chart of the fire emergency lighting power supply of self-checking function.
Fig. 2 has the state diagram of the fire emergency lighting power supply of self-checking function.
Fig. 3 has the main program block diagram of the fire emergency lighting power supply of self-checking function.
Among Fig. 1:
1 switching power circuit
2 battery charge control circuits
3 battery pack
4 microcontrollers
5 microcontroller power circuits
6 keyboards and indicating circuit
7 inverter circuits
8 lightings
9 optional network interface circuits
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
The present invention have self-checking function fire emergency lighting power supply composition frame chart as shown in Figure 1, mainly comprise microcontroller (4), switching power circuit (1), inverter circuit (7), battery charge control circuit (2), battery pack (3), microcontroller power circuit (5), keyboard and indicating circuit (6), with optional network interface circuit (9), and be electrically connected successively.
Main devices type selecting in the embodiment of the present invention is as follows: microcontroller adopts P89LPC915FN, the integrated switch power controller adopts TOP255YN, photoelectric coupling circuit adopts TLP521, voltage comparator adopts LM393, the MOS triode adopts STP50N06, and switching relay adopts OMRON G2R-1A 12VDC.
Utilize said apparatus to realize that the implementation step of the inventive method is:
Required power when the power of the Switching Power Supply that is adopted depends primarily on quickly charging battery also will be considered the power demands to microcontroller and switch power controller simultaneously.Select tape opens/switch power controller that stops controlling, and by the start and stop of micro controller I/O mouth (isolating) control switching through the light lotus root.The starting or stopping control circuit of Switching Power Supply should be able to guarantee beginning to insert civil power or microcontroller when not working, and Switching Power Supply can normally start work.By 200V voltage stabilizing didoe and resistance pressure-dividing network, receive on micro controller I/O mouth through isolation of light lotus root and level conversion again, to obtain the power supply state of main electricity.
Inverter is a self-maintained circuit, opens by the control of I/O mouth and shakes, and the I/O mouth drives relay simultaneously and realizes main electricity/inversion switching.Because the electric current of light fixture load is all by driven MOS FET, the voltage drop that it produces on raceway groove is exported a high level by comparator, and when non-loaded, driven MOS FET raceway groove no current flows through, and voltage reduces to 0, the comparator output low level.
Battery charge control circuit is made up of the triode constant-current circuit, controls charging current by micro controller I/O.Cell voltage is used to the cell voltage of sampling by the analog quantity input interface of the A/D converter in the electric resistance partial pressure access microcontroller.
Microcontroller is the control core, and its prerequisite resource statistics is in table 1.The output of Switching Power Supply or cell voltage are converted to 5V or 3.3V provides working power for microcontroller by LDO.
Table 1 microcontroller resource statistics
On the basis of above-mentioned hardware circuit, realize the function of power supply by programming.Fig. 2 is the five kinds of operating states and the transformational relation schematic diagram thereof of power supply.
The function that the power supply handling procedure is finished comprises: state-detection and conversion and control, battery voltage detection and Charge Management, fixed time test management, load detecting and keyboard processing etc.Main program block diagram as shown in Figure 3.Parameter in the program can be according to standard and functional requirement adjustment, and it is very convenient to upgrade.
List of references:
[1] Zheng Wei. the improvement of shallow view large public building fire emergency lighting power supply designing technique standard. the 15th phase of section garden .2009 today, p.149
[2] GB17945-2000 fire emergency lamps
[3] Wang Limiao. fire emergency mass of system and safety. fire prevention and the 5th phase of product information .2009, p.44-47
[4]Linnea?Brush.Trends?in?Digital?Power?Management：Power?Converter?and?System?DemandCharacteristics.Proc.Twentieth?Annual?IEEE?Applied?Power?Electronics?Conference?and?Exposition，2005.p.163-166
Claims (4)
1. fire emergency lighting power supply with self-checking function, comprise microcontroller (4), switching power circuit (1), inverter circuit (7), battery charge control circuit (2), battery pack (3), microcontroller power circuit (5), keyboard and indicating circuit (6) and optional network interface circuit (9); It is characterized in that:
Described microcontroller (4) is the core of power supply control, is connected successively with above-mentioned each part by multichannel I/O mouth;
The I/O mouth of described microcontroller (4) links to each other with main electro-detection end with the long-range ON/OFF control end of described switching power circuit (1) respectively, link to each other with the control end of described battery charge control circuit (2), link to each other with the load detecting end with the inversion control end of described inverter circuit (7);
The analog quantity input of described microcontroller (4) links to each other with the voltage sample end of described battery pack (3);
Described microcontroller power circuit (5) is the output of described switching power circuit (1), after direct voltage is adjusted the circuit step-down, for described microcontroller (4) and peripheral circuit thereof provide power supply;
Described microcontroller (4) connects described keyboard and indicating circuit (6) and described optional network interface circuit (9) by the I/O mouth;
By aforementioned connection, described microcontroller (4) can be monitored and control in real time the operating state of Emergency Lighting Supply automatically by its I/O mouth, utilize the real-time clock in the described microcontroller (4), finish the long-time accurate timing of year, month, realize the timing automatic of battery is detected; Analog to digital converter in the described microcontroller (4) is used for cell voltage is carried out tracking and monitoring, realizes the intelligent management to battery charging process, reaches the purpose of extending battery life; Described microcontroller (4) is given the indication that does well according to testing result, and fault is carried out sound and light alarm.
2. the fire emergency lighting power supply with self-checking function according to claim 1, it is characterized in that: described microcontroller, the employing microcontroller is realized, perhaps adopt chip microcontroller, perhaps adopt microprocessor to realize, perhaps adopt digital signal processor to realize, perhaps adopt embedded computer to realize, perhaps the microcontroller of realizing with field programmable logic device is realized.
3. the fire emergency lighting power supply with self-checking function according to claim 1, it is characterized in that: described microcontroller, adopt single microcontroller to realize, perhaps adopt a plurality of microcontrollers to realize, communication modes between a plurality of microcontrollers is the I2C bus, perhaps CAN bus, perhaps LIN bus, perhaps USB mode, perhaps IEEE1394 mode, perhaps RS232 mode, perhaps RS422 mode, perhaps RS485 mode.
4. the fire emergency lighting power supply with self-checking function according to claim 1, it is characterized in that: described optional network interface circuit, adopt the LAN interface circuit, perhaps CAN bus interface circuit, perhaps LIN bus interface circuit, perhaps two bus interface circuits, perhaps Profibus bus interface circuit, perhaps P-NET bus interface circuit, perhaps FFHSE bus interface circuit, perhaps World FIP bus interface circuit, perhaps Interbus bus interface circuit, perhaps Lonworks bus interface circuit, perhaps HART bus interface circuit, perhaps DeviceNet bus interface circuit, perhaps CC-Link bus interface circuit, perhaps usb circuit, perhaps IEEE1394 interface circuit, perhaps RS232 interface circuit, perhaps RS422 interface circuit, perhaps RS485 interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010131913 CN101783527A (en) | 2010-03-19 | 2010-03-19 | Fire emergency lighting power supply having self-checking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010131913 CN101783527A (en) | 2010-03-19 | 2010-03-19 | Fire emergency lighting power supply having self-checking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101783527A true CN101783527A (en) | 2010-07-21 |
Family
ID=42523390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010131913 Pending CN101783527A (en) | 2010-03-19 | 2010-03-19 | Fire emergency lighting power supply having self-checking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101783527A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103179744A (en) * | 2012-11-05 | 2013-06-26 | 刘国清 | Integrated circuit for fire emergency lighting control |
| CN103945609A (en) * | 2014-04-21 | 2014-07-23 | 深圳市康铭盛实业有限公司 | Self-starting LED emergency lighting circuit system |
| CN104865959A (en) * | 2015-06-19 | 2015-08-26 | 长春工业大学 | Fault self-diagnosis method for fire control power supply control system |
| CN105406584A (en) * | 2016-01-08 | 2016-03-16 | 赵晓玲 | Mining underground uninterrupted power-supplied power source managing system |
| CN107333375A (en) * | 2017-08-30 | 2017-11-07 | 合肥新文远信息技术有限公司 | A kind of regular self-checking system of emergence lighting lamp |
| CN110071575A (en) * | 2019-06-04 | 2019-07-30 | 深圳莱福德科技股份有限公司 | Emergency power supply charge-discharge control circuit and emergency-lighting set |
| WO2020258015A1 (en) * | 2019-06-25 | 2020-12-30 | Suzhou Kosnic Lighting Technology Co., Ltd. | Emergency module testing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2899378Y (en) * | 2006-05-19 | 2007-05-09 | 无锡博创微电子有限公司 | Emergent illuminator by intelligent-controlled chip |
| CN101087489A (en) * | 2007-07-02 | 2007-12-12 | 董喜春 | A method for checking emergency lamp via remote control mode and emergent lamp checked via remote control mode |
-
2010
- 2010-03-19 CN CN 201010131913 patent/CN101783527A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2899378Y (en) * | 2006-05-19 | 2007-05-09 | 无锡博创微电子有限公司 | Emergent illuminator by intelligent-controlled chip |
| CN101087489A (en) * | 2007-07-02 | 2007-12-12 | 董喜春 | A method for checking emergency lamp via remote control mode and emergent lamp checked via remote control mode |
Non-Patent Citations (1)
| Title |
|---|
| 《中国优秀硕士学位论文全文数据库》 20080615 汪兴宇 全数字控制应急电源系统的研究 摘要、正文第10-63页 1-4 , 2 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103179744A (en) * | 2012-11-05 | 2013-06-26 | 刘国清 | Integrated circuit for fire emergency lighting control |
| CN103945609A (en) * | 2014-04-21 | 2014-07-23 | 深圳市康铭盛实业有限公司 | Self-starting LED emergency lighting circuit system |
| CN104865959A (en) * | 2015-06-19 | 2015-08-26 | 长春工业大学 | Fault self-diagnosis method for fire control power supply control system |
| CN105406584A (en) * | 2016-01-08 | 2016-03-16 | 赵晓玲 | Mining underground uninterrupted power-supplied power source managing system |
| CN107333375A (en) * | 2017-08-30 | 2017-11-07 | 合肥新文远信息技术有限公司 | A kind of regular self-checking system of emergence lighting lamp |
| CN110071575A (en) * | 2019-06-04 | 2019-07-30 | 深圳莱福德科技股份有限公司 | Emergency power supply charge-discharge control circuit and emergency-lighting set |
| CN110071575B (en) * | 2019-06-04 | 2024-05-03 | 深圳莱福德科技股份有限公司 | Emergency power supply charge-discharge control circuit and emergency lighting equipment |
| WO2020258015A1 (en) * | 2019-06-25 | 2020-12-30 | Suzhou Kosnic Lighting Technology Co., Ltd. | Emergency module testing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101783527A (en) | Fire emergency lighting power supply having self-checking function | |
| CN101969230B (en) | Power supply loop monitoring device and system | |
| CN104331042B (en) | State evaluation method of hydropower plant computer monitoring system | |
| CN110882504A (en) | Direct-current power supply system storage battery pack fire pre-judging and fire extinguishing system and method | |
| CN103945609B (en) | Self-starting LED emergency lighting circuit system | |
| CN201599702U (en) | Emergency lighting system | |
| CN201655922U (en) | Automatic maintenance device for UPS backup battery | |
| CN204104173U (en) | Fire emergency and evacuation indication system | |
| KR102077736B1 (en) | Energy storage system with black box for fire analysis | |
| CN102244413A (en) | Automatic maintenance device for standby battery of uninterruptible power system (UPS) | |
| CN211509391U (en) | Intelligent fire-fighting lamp system | |
| AU2021102359A4 (en) | Wireless inclinometer | |
| CN203117404U (en) | Dual-power-supply fault monitoring system | |
| CN109862669B (en) | Panel operation display of emergency illumination centralized power supply system and emergency method | |
| CN105098995A (en) | Switch state monitoring device in transformer substation cabinet | |
| CN112198830A (en) | DC emergency evacuation lighting centralized control power supply system | |
| CN111273630A (en) | Distributed energy storage control system | |
| CN102610969A (en) | Low-power-consumption intelligent control electricity-saving socket for air conditioner | |
| CN110552872A (en) | Intelligent water pump controller and control method | |
| CN201259622Y (en) | Remote digital monitoring system | |
| CN101329021A (en) | Evacuation illuminating system | |
| CN103272358A (en) | Intelligent fire-fighting emergency evacuation indication system | |
| CN109835787B (en) | Remote monitoring device and method for elevator faults | |
| CN202276182U (en) | Intelligent power supply apparatus used for building intercommunication system | |
| CN219875188U (en) | A-type emergency lighting centralized power supply box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100721 |