CN2178978Y - Automatic changing fluorescent lamp with ac./dc. two-purpose - Google Patents
Automatic changing fluorescent lamp with ac./dc. two-purpose Download PDFInfo
- Publication number
- CN2178978Y CN2178978Y CN 94203619 CN94203619U CN2178978Y CN 2178978 Y CN2178978 Y CN 2178978Y CN 94203619 CN94203619 CN 94203619 CN 94203619 U CN94203619 U CN 94203619U CN 2178978 Y CN2178978 Y CN 2178978Y
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- fluorescent lamp
- circuit
- auto
- relay
- converting fluorescent
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Abstract
The utility model relates to a dualpurpose automatic switching fluorescent lamp of alternating current and direct current, which is composed of a direct current power supply charging circuit, a protection circuit, an alternating current and direct current automatic switching control device, etc. The utility model is characterized in that when the commercial power is interrupted, the utility model can automatically switch and light emission can be continued. Because a common fluorescent lamp tube is shared, the luminous flux of the fluorescent lamp tube is large, over current and under voltage protection measures are adopted and the service life of a battery is long. In addition, the number of the lead wires of the fluorescent lamp is only three, and the use and the installation of the utility model is convenient.
Description
A kind of lighting apparatus, particularly AC/DC have the fluorescent lamp of automatic conversion.
In the daily life, the interruption for some reason of mains supply is recurrent, in order to solve the temporary lighting of having no progeny in the mains supply, current adopt: (1) house generator power supply more; (2) central large power inverter power source; (3) be equipped with small-power portable emergency lamp power supply.Generally adopt the small-power portable emergency lamp for family's temporary emergency lighting.Though emergency light really can play emergencing action, also have following weak point: the one, the enabling of emergency light must manual operation, particularly has a power failure suddenly, still dislike recover lost eyesight not prompt enough; The 2nd, emergency light will regularly charge, and manual operation is also wanted in charging, sense inconvenience still; The 3rd, the little luminous flux of emergency light power is little.
The purpose of this utility model provides the automatically fluorescent lamp of conversion of a kind of AC/DC, has no progeny when AC power is prominent, and is can be continuous automatically immediately bright and luminous flux is bigger.
The purpose of this utility model realizes by following scheme.
Comprise on the basis of fluorescent tube, ballast, starter at original fluorescent lamp commonly used; matching design is installed the device with automatic switchover of a cover AC/DC; this device comprises: a dc power supply of being made up of storage battery; a protective device of forming by NOR gate and comparison amplifier circuit, drive circuit; subscriber switch state recognition and alternating current-direct current switching device shifter; a constant-current charging power that after transformation rectification, voltage stabilizing, provides by AC power, high frequency voltage oscillator and oscillating current by-pass cock.
Novel glimmering lamp lamp by said apparatus is formed has following advantage: 1, AC/DC, and can automatically switch according to the electric power thus supplied of civil power, play instant continuous bright purpose, because a shared fluorescent tube commonly used when therefore switching to direct current supply, still has bigger luminous flux; 2, storage battery is not only taked the constant current mode charging, but also have overcurrent, under-voltage protection, prolonged the useful life of storage battery effectively; 3,, therefore can make the correct selection of lighting a lamp as required owing to the recognition function that has the subscriber switch position; 4, lead-out wire has only three, is connected very convenient with subscriber switch with supply main.
Now in conjunction with the accompanying drawings, further elaborate concrete structure of the present utility model.
Fig. 1 is the block diagram that electrically connects of the present utility model,
Fig. 2 is a circuit diagram of the present utility model,
Fig. 3 is the three-dimensional diagrammatic sketch in the utility model assembling back.
With reference to Fig. 1, wherein E is a storage battery, and 1 is mains supply transforming circuit device, and 2 is regulator rectifier circuit, and 3 is protective circuit, and 4 is switch identification and alternating current-direct current commutation circuit, and 5 is the high frequency voltage oscillating circuit, and 6 is fluorescent tube and build-up of luminance device.
With reference to Fig. 2, civil power alternating-current power supply one tunnel meets ballast B3, and another road meets power supply autotransformer B2.The output termination rectifying tube D1 of transformer B2, rectified current provides a constant current charge electric current by three-terminal voltage-stabilizing integrated package CW7815 for storage battery E through capacitor C 2 filtering.Voltage-stabiliser tube D5 of cross-over connection in this charging circuit.
By comparison amplifier A, OR-NOT circuit B, C, D, the driver that triode BG1 constitutes, the under-voltage protecting circuit of forming, the negative terminal of the comparison amplifier A of this circuit is connected with the positive pole of storage battery E through partial pressure potential device W, its anode is gone into ground behind voltage-stabiliser tube D6, connect the positive pole of storage battery E simultaneously through resistance R 3; The output of OR-NOT circuit D is connected with the base stage of triode BG1; OR-NOT circuit C goes into to hold the S point, goes into ground through resistance R 4, is connected through the ground end of resistance R 7 with three-terminal voltage-stabilizing integrated package CW7815 simultaneously.The negative pole of storage battery E goes into ground behind fuse tube Z3.Comparison amplifier A can use the LM324 integrated package in the circuit; OR-NOT circuit B, C, D can use the CD4001 integrated package.
Subscriber switch K state recognition and alternating current-direct current switching device shifter be the driver that constitutes by triode BG1 and by subscriber switch K with fuse Z2, resistance R 6 series connection after, be serially connected with together again between the emitter and ground of triode BG1, and formed by relay changeover contact (K1-1, K1-2, K1-3, K1-4) and (K2-1, the K2-2) that relay J 1, relay J 2 are controlled.The positive pole of one termination rectifier power source of relay J 1, it is intercepted by rectifying tube D2 mutually with the positive pole of storage battery E, and the other end goes into ground behind contact K2-1.Relay J 2 is serially connected with between the positive pole of the collector electrode of triode BG1 and storage battery E.
By the high frequency voltage oscillating circuit that triode BG2 constitutes, the end of its output transformer B1 is controlled with being subjected to contact K1-3 being connected of fluorescent tube; Centre cap M is connected with the base stage of resistance R 10 with three utmost point BG2 through luminous flux by-pass cock K3; Centre cap N is connected with battery positive voltage with K2-2 through contact K1-1; The other end of output transformer B1 is controlled with being subjected to contact K1-4 being connected of fluorescent tube.Contact K1-2 control starter S.
When electric main just often, its line voltage provides a constant current charge electric current that storage battery E is charged through transformation, rectification, filtering, voltage stabilizing, when charging is charged to threshold values, voltage-stabiliser tube D5 conducting, charging stops automatically, prevents the overcharge to storage battery E.
When subscriber switch K closure, if at this moment electric main is normal, the output of comparison amplifier A is a low level, the S point of going into to hold of OR-NOT circuit C is a high level, go out end and be low level, at this moment the base stage of triode BG1 is a high level, then BG1 conducting, make relay J 2 actions, contact K2-1, K2-2 closure; Because the closure of K2-1, make that relay J 1 action makes that contact K1-1 opens, K1-2 closure, K1-3 and K1-4 conversion, fluorescent lamp is powered by electric main with traditional form like this.
This moment is if electric main interrupts suddenly, relay J 1 discharges because of dead electricity, contact K1-1, K1-2, K1-3, K1-4 be state as shown in the figure, relay J 2 is then by storage battery E automatic power, still keep adhesive, at this moment the high frequency voltage oscillating circuit produces high-frequency voltage signal for fluorescent tube by storage battery E power supply, and it is shinny that fluorescent tube is continued.
When storage battery E supply power voltage drops to certain value; (this value by potentiometer W adjusting determine) end that goes out of comparison amplifier A is high level; the output of OR-NOT circuit C is a high level; the base stage of triode BG1 is a low level, and triode BG1 is ended, and relay J 2 discharges; contact K2-2 is disconnected; storage battery E ends power supply, plays the effect of under-voltage protection, and this state remains to till electric main restores electricity again always.
The state of identification subscriber switch K, its operation principle is:
1, when the electric main normal power supply:
As the K closure, the BG1 conducting, J2 work, J1 also works, and at this moment as previously mentioned, fluorescent lamp is lighted with traditional form by mains-supplied; Disconnect as K, BG1 ends, and J2 discharges, and K2-1, K2-2 disconnect, and J1 also discharges, each contact state that J1 controlled as shown in the figure, the AC and DC power supply is not all powered, fluorescent lamp extinguishes.
When 2, cutting off the power supply as electric main:
As the K closure, make the BG1 conducting by the E power supply, J2 work, K2-2 closure.Though at this moment K2-1 is also closed, because E is subjected to the obstruct of D2, can not power, so J1 not work to J1, each contact that J1 controlled so still is in position as shown in the figure, at this moment makes BG2 generation high frequency voltage, fluorescent lamp lighting by the E power supply.Disconnect as K, BG1 ends, and J2 discharges, and K2-2 disconnects, and E does not power to BG2, and high frequency voltage disappears, and fluorescent lamp extinguishes.
Known to above-mentioned, the state of subscriber switch K can reach control fluorescent lamp lighting and the purpose of extinguishing fully through identification.
The utility model fluorescent lamp also has the preferential function of electric main power supply, and its operation principle is as follows:
When electric main interrupts, provide power supply to make high-frequency generator work by storage battery E, after lighting fluorescent lamp, if at this moment electric main restores electricity, relay J 1 action, its contact K1-1 opens, the K1-2 closure, the power supply of E to BG2 cut off in K1-3 and K1-4 conversion like this, thereby fluorescent lamp recovers the working condition by the traditional form of AC-powered automatically, realizes the requirement of the preferential power supply of mains supply.
When supplying fluorescent lamp lighting,, can increase BG2 high frequency voltage oscillation intensity, thereby increase the luminous flux of fluorescent lamp as closed luminous flux by-pass cock K3 by high frequency voltage.
With reference to Fig. 3, the utility model bulk shape structure is identical substantially with existing fluorescent lamp commonly used, and the part of increase all reasonably is distributed in the lamp bracket, and wherein 9 is element board, and Z3 is a fuse tube, and B2 is a power transformer, and E is a storage battery.Other 7 is reflector, and 8 is lamp bracket, and 10 is fluorescent tube, and 11 is tube face, and 12 is chain sling.The utility model external lead wire has only three, and 13,14,15 is the external lead wire binding post, is connected to the non-earth terminal of live wire, ground wire and the subscriber switch K of electric main power supply respectively, installs very convenient.
Fluorescent tube can use comprising of 20W-40W of various special-shaped fluorescent tubes.
Claims (8)
1, a kind of AC/DC auto-converting fluorescent lamp; formed by lamp bracket (8) fluorescent tube (10), ballast (B3), starter (S); it is characterized in that having: a dc power supply and a regulator rectifier circuit (a 2) protective circuit (3) of forming by storage battery (E); subscriber switch (K) state recognition and alternating current-direct current switching device shifter (4), a high frequency voltage oscillating circuit (5).
2,, it is characterized in that described protective circuit is made up of the drive circuit that operational amplifier (A) and OR-NOT circuit (B), (C), (D) and triode (BG1) constitute according to the AC/DC auto-converting fluorescent lamp of claim 1.
3, according to the AC/DC auto-converting fluorescent lamp of claim 1, it is characterized in that described regulator rectifier circuit is by power transformer (B2), rectifying tube (D1) and three-terminal voltage-stabilizing integrated package (CW7815) and voltage-stabiliser tube (D5) filter capacitor C2 form.
4, according to the AC/DC auto-converting fluorescent lamp of claim 1, it is characterized in that (K) state recognition of described subscriber switch and alternating current-direct current switching device shifter are to be serially connected with together between the emitter and ground of triode (BG1) after connecting, and to be made up of relay changeover contact (K1-1, K1-2, K1-3, K1-4) and (K2-1, the K2-2) that relay (J1) and relay (J2) are controlled by the driver of triode (BG1) formation with by the same fuse of subscriber switch (K) (Z2), resistance (R6).
5, according to the AC/DC auto-converting fluorescent lamp of claim 1, it is characterized in that described high frequency voltage oscillating circuit is made of triode (BG2), it also has a luminous flux by-pass cock (K3).
6, AC/DC auto-converting fluorescent lamp according to claim 4 is characterized in that described relay (J1), the positive pole of one termination rectifier power source, and it is intercepted by diode (D2) mutually with the positive pole of storage battery (E).
7, according to the AC/DC auto-converting fluorescent lamp of claim 2, it is characterized in that described operational amplifier (A), formed by the LM324 integrated package.
8,, it is characterized in that described OR-NOT circuit (B), (C), (D) are made up of the CD4001 integrated package according to the AC/DC auto-converting fluorescent lamp of claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94203619 CN2178978Y (en) | 1994-02-05 | 1994-02-05 | Automatic changing fluorescent lamp with ac./dc. two-purpose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94203619 CN2178978Y (en) | 1994-02-05 | 1994-02-05 | Automatic changing fluorescent lamp with ac./dc. two-purpose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2178978Y true CN2178978Y (en) | 1994-10-05 |
Family
ID=33823082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94203619 Expired - Fee Related CN2178978Y (en) | 1994-02-05 | 1994-02-05 | Automatic changing fluorescent lamp with ac./dc. two-purpose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2178978Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008019569A1 (en) * | 2006-08-09 | 2008-02-21 | Kam Kwan Chan | Plate type dual-purpose lamp bracket for daily lighting and emergency lighting |
| CN105471079A (en) * | 2016-01-12 | 2016-04-06 | 济南轨道交通装备有限责任公司 | Emergency control system and emergency control method for railway track car |
-
1994
- 1994-02-05 CN CN 94203619 patent/CN2178978Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008019569A1 (en) * | 2006-08-09 | 2008-02-21 | Kam Kwan Chan | Plate type dual-purpose lamp bracket for daily lighting and emergency lighting |
| CN105471079A (en) * | 2016-01-12 | 2016-04-06 | 济南轨道交通装备有限责任公司 | Emergency control system and emergency control method for railway track car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: WANYOU ELECTRICAL EQUIPMENT INDUSTRIAL-TRADE CO. LTD., FUZHOU TO: WANYOU FIRE-FIGHTING EQUIPMENT INDUSTRY-TRADE CO., LTD., FUZHOU |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Wanyou Fire-Fighting Equipment Industry-Trade Co., Ltd., Fuzhou Patentee before: Wanyou Electrical Equipment Industrial-trade Co. Ltd., Fuzhou |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |