CN200987076Y - Charging emergent sun lamp circuit - Google Patents
Charging emergent sun lamp circuit Download PDFInfo
- Publication number
- CN200987076Y CN200987076Y CNU2006201411986U CN200620141198U CN200987076Y CN 200987076 Y CN200987076 Y CN 200987076Y CN U2006201411986 U CNU2006201411986 U CN U2006201411986U CN 200620141198 U CN200620141198 U CN 200620141198U CN 200987076 Y CN200987076 Y CN 200987076Y
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- Prior art keywords
- circuit
- charging
- voltage
- electromagnetic interference
- high frequency
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
Abstract
A rechargeable emergency fluorescent lamp circuit comprises an electromagnetic interference filtering circuit, a charge circuit, a battery, a manual switch, a low-voltage DC ballast, and a fluorescent lamp in successive connection. Also is comprised of a switching circuit which has one end connecting the manual switch and the other end connecting selectively the electromagnetic interference filtering circuit or the battery. Meanwhile the rechargeable emergency fluorescent lamp circuit also comprises a high frequency switching power supply, which has the input terminal connecting the electromagnetic interference filtering circuit, the output terminal connecting the charge circuit and the switching circuit, respectively. The utility model has the beneficial effects of high power factor, low power consumption and high energy, low filtering interference and good reliability due to the unique bridge type rectifier and filtering by adding the high-frequency switching power supply.
Description
(1) technical field
The utility model relates to a kind of charging Emergency daylight lamp circuit.
(2) background technology
Rechargeable emergency light is inserted on the power supply when electricity is arranged and charges, and the illumination of can lighting a lamp automatically after the outage also can be used as illuminating lamp and uses when electricity is arranged.Emergency light is inserted on the power supply, should be used as fluorescent-lamp-use, constantly for storage battery replenishes electric power, power consumption is big again; And rectifying and wave-filtering adopts electrochemical capacitor filtering, and circuit filtering disturbs big, poor reliability.
(3) summary of the invention
Rechargeable emergency light power consumption is big in the prior art, the circuit filtering interference is big in order to overcome, the deficiency of poor reliability, and the utility model provides a kind of line power factor height, low consumption and high energy, filtering is disturbed little, the charging Emergency daylight lamp circuit of good reliability.
The technical solution of the utility model is:
A kind of charging Emergency daylight lamp circuit, comprise the electromagnetic interference filter circuit, charging circuit, storage battery, hand switch, low-voltage direct ballast, the fluorescent lamp that connect successively, also be provided with commutation circuit, described commutation circuit one end is connected with hand switch, other end selection is connected with electromagnetic interference filter circuit or storage battery, also comprise high frequency switch power, the input of described high frequency switch power is connected with electromagnetic interference filter circuit, and output is connected with charging circuit and commutation circuit respectively.
Described high-frequency switch circuit comprises current rectifying and wave filtering circuit, high frequency conversion circuit, self-maintained circuit, feedback circuit and output filter circuit.
Operation principle of the present utility model is: the filtering of civil power input process electromagnetic interference (EMI) can obtain the 220V/50Hz sine wave than standard, convert the 13V direct voltage to by the auto-excitation type hf switching power supply again, utilizing this direct voltage can carry out the current limliting constant voltage to storage battery by charging circuit charges automatically, commutation circuit can realize the automatic identification to power down mode, be the power supply of low-voltage direct ballasting circuit by Switching Power Supply when assurance has electricity condition, and when having a power failure, automatically switch to storage battery power supply.Fluorescent lamp is connected in the output of low-voltage direct ballasting circuit, and its operating state is by the hand switch control that is connected on low-voltage direct ballasting circuit input.
The beneficial effect of charging Emergency daylight lamp circuit described in the utility model mainly shows: sets up high frequency switch power, adopted the bridge rectifier filtering of high frequency switch power uniqueness, and line power factor height, low consumption and high energy, filtering is disturbed little, good reliability.
(4) description of drawings
Fig. 1 is the circuit structure block diagram of the utility model charging Emergency daylight lamp circuit.
Fig. 2 is the circuit theory diagrams of the utility model charging Emergency daylight lamp circuit.
(5) embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Referring to accompanying drawing: a kind of charging Emergency daylight lamp circuit, comprise the electromagnetic interference filter circuit, charging circuit, storage battery, hand switch, low-voltage direct ballast, the fluorescent lamp that connect successively, also be provided with commutation circuit, described commutation circuit one end is connected with hand switch, other end selection is connected with electromagnetic interference filter circuit or storage battery, also comprise high frequency switch power, the input of described high frequency switch power is connected with electromagnetic interference filter circuit, and output is connected with charging circuit and commutation circuit respectively.
Described high-frequency switch circuit comprises current rectifying and wave filtering circuit, high frequency conversion circuit, self-maintained circuit, feedback circuit and output filter circuit.
Civil power is through circuit general switch S1 input, and fuse FUSE is series in the circuit, and EMI filtering realizes that by transformer T1 T1 is made of around two groups of windings on the same magnetic core symmetry.The diode D1 of auto-excitation type hf switching power supply, D2, D3, D4 is connected into full-wave rectifying circuit, filter capacitor C1 is parallel to rectification circuit, the elementary winding Np of high frequency transformer T2, secondary winding Ns and biasing winding Nb constitute the high frequency conversion circuit, capacitor C 2, the elementary winding Np two ends that resistance R 4 and diode are connected high frequency transformer T2 constitute the weakening circuit, Np one terminates at the positive pole output of current rectifying and wave filtering circuit, the other end extremely links to each other with the D of switch MOS FET pipe Q1, biasing resistor R1 is connected between the G utmost point of anodal output of current rectifying and wave filtering circuit and Q1, the S utmost point of Q1 links to each other with the output of current rectifying and wave filtering circuit negative pole by resistance R 5, by biasing winding Nb, Q1, triode Q2, Q3, resistance R 2, R3, R5, R6, capacitor C 10, C5 forms self-maintained circuit, the b utmost point of Q2 connects the c utmost point of Q3, the c utmost point of Q2 connects the b utmost point of Q3, the e utmost point of Q2 connects the G utmost point of Q1, the e utmost point of Q3 connects the negative pole output of current rectifying and wave filtering circuit, two of resistance R 2 terminates at the e utmost point and the b utmost point of Q2, biasing resistor R1 is connected between the G utmost point of anodal output of current rectifying and wave filtering circuit and Q1, resistance R 3 and capacitor C 10 and be connected in the S utmost point of Q1 and the b utmost point of Q3 between, resistance R 6 and capacitor C 5 series connections are between the end of the G of the Q1 utmost point and winding Nb, the output c utmost point of another termination optocoupler U1 of Nb, the output e utmost point of optocoupler connects the c utmost point of Q2, the two ends of Nb link to each other with the negative pole output of current rectifying and wave filtering circuit with electrochemical capacitor C2 by diode D6 respectively, by secondary winding Ns, diode D7, capacitor C 3, C4 constitutes the output filter rectifier, C3, the C4 parallel connection is connected in series the two ends that D7 is connected to Ns again, by resistance R 7, R8, voltage stabilizing didoe D9, optocoupler U1 is connected into feedback circuit, be connected on the two ends of output rectifier and filter after R7 and the D9 series connection, the input anode of U1 links to each other with the positive pole of output circuit by R8, the input negative electrode of U1 connects the negative electrode of D9, by relay K 1, diode D8 constitutes commutation circuit, the winding of K1 and D3 also are connected in the positive and negative end of exporting filter rectifier, the negative electrode of D3 links to each other with positive pole, anode links to each other with negative pole, by triode Q6, resistance R 11, R12, R13 constitutes current limliting constant voltage automatic charger, the c utmost point of Q6 connects the normally open contact that the positive pole of exporting filter rectifier meets K1 simultaneously, the normally closed interlock that the positive pole of storage battery BATTERY meets K1 extremely links to each other with the e of Q6 by R13 simultaneously, the negative pole of BATTERY connects the negative pole of output filter rectifier, the low-voltage direct ballasting circuit is by inductance L 1, resistance R 9, R10, triode Q4, Q5, capacitor C 7, C8, high frequency transformer T2 constitutes, the e of Q4 and Q5 extremely links to each other and connects the public contact of K1 simultaneously, the elementary winding Np ' of T2 is in parallel with capacitor C 7, two ends connect the c utmost point of Q4 and Q5 respectively, the two ends of the biasing winding Nb ' of T2 connect the b utmost point of Q4 and Q5 respectively, the b utmost point of Q4 and Q5 links to each other with the centre tap of Np ' with R10 by R9 respectively, the centre tap of Np ' meets L1, thereby Np ' is divided into two winding Np '
1And Np '
2L1 links to each other with the negative pole of output filter rectifier by hand switch S2, annular fluorescent tube has two winding terminals, every winding terminal has two connector lugs, the end of the secondary winding Ns ' of T2 links to each other with a connector lug of a winding terminal of annular fluorescent tube by C8, the other end links to each other with a connector lug of another winding terminal, and capacitor C 9 is connected between remaining two connector lugs of annular fluorescent tube.
The operation principle of present embodiment is: civil power is through electromagnetic interface filter T1, the full-wave rectifying circuit that D1, D2, D3, D4 constitute and the filtering of capacitor C 1, can obtain amplitude and be the pulsating dc voltage about 300V, this voltage provides grid current by R1 for switch MOS FET pipe Q1, make Q1 begin conducting, its drain current ID linear increase in the elementary winding Np of high frequency transformer T2, induction is sent as an envoy to the Q1 grid for just in biasing winding Nb, source electrode makes Q1 very fast saturated for negative induced voltage.Meanwhile, induced voltage charges to C5, along with the charging voltage of C5 constantly raises, the grid voltage of Q1 constantly descends, and causes Q1 to withdraw from the saturation region, ID begins to reduce, induction is shown the Q1 grid for negative in Nb, and source electrode is positive induced voltage, and Q1 is ended rapidly, at this moment diode D7 conducting, the energy storage of high frequency transformer discharges to load.Q1 by the time, do not have voltage among the Nb, dc pulse moving voltage charges to C5 through R1 again, along with the charging voltage of C5 constantly raises, the grid voltage of Q1 also constantly rises, until its conducting again, the upset state that reaches capacity once more, circuit repeats vibration like this and goes down.In the feedback circuit that R7, R8, D9, U1 constitute, take out reference voltage from the negative electrode of voltage stabilizing didoe, when load voltage is higher than reference voltage, the optocoupler conducting, the base voltage of triode Q3 is also constantly risen until the Q3 conducting, cause the base voltage of triode Q2 to drag down, the Q2 conducting, the Q1 grid voltage is reduced and end, thereby play the effect of certain pulse-width modulation (PWM).The weakening circuit that is made of C2, R4, D3 can suppress and absorb the reverse voltage of elementary winding Np, and resistance R 5 plays metering function in circuit, and electrochemical capacitor C3, C4 are as energy storage in the high frequency switch power output circuit and filter element.Thereby the relay K in the commutation circuit 1 detects by the output that its coil detects high frequency switch power whether the civil power input is arranged, when having electricity, public contact links to each other with normally opened contact, link to each other with normally-closed contact during power failure, the diode D8 that is connected in parallel on K1 coil two ends plays reverse afterflow effect.In current limliting constant voltage automatic charger part, in the process of constantly charging, the base voltage of Q6 also constantly raises battery by triode Q6, and base stage and emitter voltage difference constantly reduce to end until Q6,13 metering functions of resistance R.In low-voltage direct ballast inverter circuit, the emitter that direct voltage is connected on triode Q4, Q5 makes its conducting simultaneously, electric current is flowed into by the two ends of the elementary winding Np ' of high frequency transformer T3, flow out by centre tap, and linear increase, this electric current induce the Q4 base stage for just in biasing winding Nb ', the voltage of Q5 base stage for bearing, thereby Q4 is ended, Np '
1In electric current begin to reduce, its induced voltage reduces the voltage among the Nb ' and oppositely, ends until Q5, Q4 is conducting once more, Np '
2In electric current reduce Np '
1In electric current increase, but wanting that the speed ratio that increases reduces is fast, its induced voltage reduces the voltage among the Nb ' and oppositely once more, end until Q4, the Q5 conducting, Q4, Q5 alternate conduction finally induce the high frequency voltage of high amplitude in secondary winding Ns ' like this, again by capacitor C 8, C9 for fluorescent lamp operation, inductance L 1 plays chokes at this.
Claims (2)
1, a kind of charging Emergency daylight lamp circuit, comprise the electromagnetic interference filter circuit, charging circuit, storage battery, hand switch, low-voltage direct ballast, the fluorescent lamp that connect successively, also be provided with commutation circuit, described commutation circuit one end is connected with hand switch, other end selection is connected with electromagnetic interference filter circuit or storage battery, it is characterized in that: also comprise high frequency switch power, the input of described high frequency switch power is connected with electromagnetic interference filter circuit, and output is connected with charging circuit and commutation circuit respectively.
2, charging Emergency daylight lamp circuit as claimed in claim 1, it is characterized in that: described high-frequency switch circuit comprises current rectifying and wave filtering circuit, high frequency conversion circuit, self-maintained circuit, feedback circuit and output filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201411986U CN200987076Y (en) | 2006-12-19 | 2006-12-19 | Charging emergent sun lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201411986U CN200987076Y (en) | 2006-12-19 | 2006-12-19 | Charging emergent sun lamp circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200987076Y true CN200987076Y (en) | 2007-12-05 |
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ID=38916529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201411986U Expired - Fee Related CN200987076Y (en) | 2006-12-19 | 2006-12-19 | Charging emergent sun lamp circuit |
Country Status (1)
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|---|---|
| CN (1) | CN200987076Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421221A (en) * | 2011-08-29 | 2012-04-18 | 无锡华兆泓光电科技有限公司 | Emergency lighting system based on LED (Light-Emitting Diode) assembled lamp |
| CN105024437A (en) * | 2014-04-29 | 2015-11-04 | 昆山双桥传感器测控技术有限公司 | Rechargeable power supply for node type pressure sensors of internet of things |
| CN106253456A (en) * | 2016-08-01 | 2016-12-21 | 合肥联信电源有限公司 | A kind of high-power emergency power supply static state is released panel protection circuit |
-
2006
- 2006-12-19 CN CNU2006201411986U patent/CN200987076Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421221A (en) * | 2011-08-29 | 2012-04-18 | 无锡华兆泓光电科技有限公司 | Emergency lighting system based on LED (Light-Emitting Diode) assembled lamp |
| CN105024437A (en) * | 2014-04-29 | 2015-11-04 | 昆山双桥传感器测控技术有限公司 | Rechargeable power supply for node type pressure sensors of internet of things |
| CN105024437B (en) * | 2014-04-29 | 2017-05-17 | 昆山双桥传感器测控技术有限公司 | Rechargeable power supply for node type pressure sensors of internet of things |
| CN106253456A (en) * | 2016-08-01 | 2016-12-21 | 合肥联信电源有限公司 | A kind of high-power emergency power supply static state is released panel protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20101219 |