CN201690664U - Emergency electronic ballast - Google Patents
Emergency electronic ballast Download PDFInfo
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- CN201690664U CN201690664U CN2010201940149U CN201020194014U CN201690664U CN 201690664 U CN201690664 U CN 201690664U CN 2010201940149 U CN2010201940149 U CN 2010201940149U CN 201020194014 U CN201020194014 U CN 201020194014U CN 201690664 U CN201690664 U CN 201690664U
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Abstract
The utility model discloses an emergency electronic ballast, comprising a ballast circuit and an emergency circuit, wherein the emergency circuit comprises a control circuit, a charging circuit, an inverter circuit and a converting circuit; the control circuit controls the charging circuit, the inverter circuit and the converting circuit to work; the commercial electricity charges a rechargeable battery by the charging circuit; the ballast circuit is conducted with the commercial electricity by a switch so as to supply the power; an emergency device is conducted with the rechargeable battery by the inverter circuit and is subsequently boosted so as to supply the power; the converting circuit is selectively conducted with the ballast circuit or the inverter circuit so as to lighten a lamp tube; a sampling circuit is arranged between the ballast circuit and the emergency circuit; the sampling circuit samples the power supply situation of the commercial electricity and the output situation of the ballast circuit and transmits the signals to the control circuit; and the control circuit is selectively conducted with the ballast circuit or the inverter circuit according to a sampling signal controlling and converting circuit. Therefore, the emergency electronic ballast can ensure that the emergency device circuit can lighten the lamp tube when the emergency illumination is required, and the consumption on the lamp tube due to error emergency can be avoided.
Description
Technical field
The utility model relates to fluorescent lighting fixture and drives the field, especially a kind ofly collects emergency device and electric ballast is the emergency electronic ballast of one.
Background technology
At present, the fire-fighting emergency headlamp tool that supermarket, market and enterprises and institutions install, the early stage light fixture of installing all is to adopt the Inductive ballast illumination, emergency device and add the method that holding storage battery is done emergency lighting, Inductive ballast is because loss is big, power factor is low, and is not energy-conservation, replaced by electric ballast gradually.Supermarket, newly-decorated market and enterprises and institutions' majority are to adopt electric ballast illumination, emergency device and the method that adds the holding storage battery emergency lighting.Drive the fluorescent tube illumination by electric ballast under the normal condition, under emergency rating, switch to emergency device and drive fluorescent tube, by storage battery power supply.But there are a lot of shortcomings in this method:
One, installation is loaded down with trivial details.Emergency device on the market and electric ballast all have winding diagram is installed, and need the correct multichannel lead that connects to work, and be too loaded down with trivial details and make mistakes easily.In case make mistakes, this three of emergency device, electric ballast or fluorescent tube will certainly have damage.
Two, interfere with each other.When normal condition, emergency device might disturb the work of electric ballast, the fluorescent tube deepening, and the filament blackout, light decay increases, and fluorescent tube was lost efficacy prematurely.If the emergency device misoperation, also might ballast and emergency device work light electronic ballast protection then, even damage electric ballast simultaneously.When emergency rating, the high-frequency and high-voltage that emergency device is lighted fluorescent tube can influence electric ballast, and charge inducing is put aside on the electrochemical capacitor of electric ballast, along with voltage raises, electric ballast work is though can not light fluorescent tube, but there is electric current to flow through filament, fragile fluorescent tube; Electric ballast is abnormal work under low-voltage for a long time, very easily damages; The high pressure that the emergency device inversion produces is not only lighted fluorescent tube, also can supply with electric ballast, has increased the burden of emergency device, has not only shortened the crash time, also fragile emergency device.
Three, traditional emergency luminaire cost is higher.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of emergency electronic ballast, and collection emergency device and electric ballast are one, and convenience is installed and can guarantee only to start the emergency device circuit under the need case of emergency, and cost is lower, use is reliable.
The utility model for the technical scheme that solves its technical problem and adopt is:
A kind of emergency electronic ballast, comprise ballast circuit and emergency device circuit, described emergency device circuit comprises control circuit, charging circuit, inverter circuit and change-over circuit, control circuit control charging circuit, inverter circuit and change-over circuit work, civil power charges to a rechargeable battery by charging circuit, ballast circuit is by the switch connection mains-supplied, the emergency device circuit is connected rechargeable battery and is boosted the back power supply by inverter circuit, one of change-over circuit gating ballast circuit and inverter circuit are to light fluorescent tube, be provided with a sample circuit between described ballast circuit and the emergency device circuit, the output situation of this sample circuit sampling mains-supplied situation and ballast circuit also is messaging in the control circuit of emergency device circuit respectively, and control circuit is according to one of the sampled signal control transformation circuit gating ballast circuit that receives and inverter circuit.Sample circuit sampling mains-supplied situation and ballast output situation, only have and to sample simultaneously under the situation of civil power for outage and ballast output nothing, control circuit control transformation circuit is connected inverter circuit, rechargeable battery powered and boost by inverter circuit after light fluorescent tube; Civil power is under the power supply state, during switch closure, it is that power supply and ballast circuit have output that sample circuit samples civil power, change-over circuit is connected ballast circuit, and fluorescent tube is normal illuminating state, when switch disconnects, sample circuit samples civil power and is power supply and ballast circuit no-output, change-over circuit still keeps connecting ballast circuit, and ballast circuit is not worked because of switch disconnects civil power, and this moment, fluorescent tube was normal closed condition.
As further improvement of the utility model; described ballast circuit is the conventional electrical ballast circuit; this ballast circuit includes the EMC circuit; rectifier circuit; the PFC circuit of power factor correction; filter capacitor; drive circuit and protective circuit; wherein the EMC circuit connect civil power in the ac input end of rectifier circuit and the charging circuit input in the emergency device circuit to solve the electromagnetic compatibility problem of product; the electromagnetic noise that emergency electronic ballast is produced is limited in below the certain level; avoid causing conducted interference; so that smoothly reaching, direct current reduces fluctuating between the dc output end of PFC circuit of power factor correction and filter capacitor series connection back access rectifier circuit; and improve the power factor of circuit; reduce current harmonics; described fluorescent tube forms the LC oscillation circuit by connecting inductance and electric capacity; the PFC circuit of power factor correction of drive circuit and series connection is in parallel with filtering and be communicated with this LC oscillation circuit by the change-over circuit that is connected described emergency device circuit and light fluorescent tube with driving; described protective circuit is connected between drive circuit and the change-over circuit and is not damaged with the protective circuit element; when abnormality occurring; protective circuit is sensed the change in voltage of oscillation circuit and ballast circuit is quit work, and pending fault can recover normal again after getting rid of.
As further improvement of the utility model, described filter capacitor is an electrochemical capacitor.
As further improvement of the utility model, be connected with a low-voltage lock-in circuit on the described ballast circuit, the output (promptly being serially connected between drive circuit and the protective circuit) of this low-voltage lock-in circuit tandem drive circuit, this low-voltage lock-in circuit respond to its place voltage swing and when this magnitude of voltage is lower than set point the lock drive circuit quit work and ballast circuit quit work, sample under the situation of civil power for outage and ballast output nothing at sample circuit, control circuit control transformation circuit is connected inverter circuit, rechargeable battery powered and boost by inverter circuit after light fluorescent tube, this moment is owing to contain filter capacitor in the ballast circuit, this filter capacitor is an electrochemical capacitor, the power supply of rechargeable battery after boosting will be put aside on this electrochemical capacitor and be formed voltage, thereby make the low-voltage lock-in circuit will sense certain magnitude of voltage, this certain magnitude of voltage is lower than set point, thereby guarantee that by the setting of low-voltage lock-in circuit ballast circuit can the voltage savings part work because of filter capacitor not provide extracurrent to fluorescent tube, the useful life of prolonging lamp tube under the emergency device circuit working state; And under the normal above-mentioned two kinds of situations of commercial power supply, because of the emergency device circuit is not worked, the magnitude of voltage that the low-voltage lock-in circuit is sensed during the ballast circuit operate as normal during switch closure is higher than set point and release, fluorescent tube is normally lighted, when switch disconnects, ballast circuit integral body is not worked fully, and the low-voltage lock-in circuit is not worked because of there being power supply yet, and fluorescent tube is normal closed condition.
As further improvement of the utility model, the set point of the magnitude of voltage of described low-voltage lock-in circuit is 100V～150V.
As further improvement of the utility model, also be provided with a large current charge circuit in the described emergency device circuit, this large current charge circuit is connected between the control circuit of drive circuit in the described ballast circuit and emergency device circuit, control circuit control large current charge circuit working, this large current charge circuit charges to described rechargeable battery, under the normal illuminating state of fluorescent tube, the ballast circuit operate as normal, the large current charge circuit charges to rechargeable battery, control circuit control charging circuit quits work, when rechargeable battery charges when saturated, control circuit control large current charge circuit quits work and starts charging circuit work simultaneously, and rechargeable battery is carried out little electric current electric power storage to guarantee that it is for the charging saturation condition; Under the normal closed condition of fluorescent tube, ballast circuit quits work, and charging circuit work is carried out low current charge or electric power storage to rechargeable battery so that it reaches or keeps the charging saturation condition.
As further improvement of the utility model, also be connected with a light sensation assembly on the described emergency device circuit, this light sensation assembly connects control circuit, this light sensation assembly induced environment light also is messaging in control circuit, when need not to light a lamp daytime if the outage, should start emergency by the emergent phase circuit of sampling rule and light fluorescent tube, increase by a light sensation assembly induced environment light, can guarantee under the situation of ambient light abundance around that control circuit may command emergency device circuit does not start emergency and can not waste the electric weight of rechargeable battery.
As further improvement of the utility model, described light sensation assembly is photo resistance.
The beneficial effects of the utility model are: cooperate control circuit that mains-supplied situation and ballast output situation are monitored in real time by sample circuit, guarantee that only starting the emergency device circuit when the needs emergency lighting lights fluorescent tube, avoided the emergent loss of mistake to fluorescent tube, increase the low-voltage lock-in circuit and guarantee that ballast circuit can not produce extracurrent to fluorescent tube under emergency rating, increase photosensitive components and cooperate control circuit that ambient light is monitored in real time, guarantee that the emergency device circuit can not worked and be avoided waste electric quantity of rechargeable battery under the situation of ambient light abundance.
Description of drawings
Fig. 1 is the utility model circuit frame principle schematic;
Fig. 2 is a wiring schematic diagram of the present utility model;
Fig. 3 is the wiring schematic diagram of the prior art that the utility model contrasted;
Part mark explanation in the accompanying drawing:
10---electric ballast; 20---emergency device;
30---emergency electronic ballast;
E---bottom line N---zero line;
L---live wire; Y---emergency circuit live wire connecting line.
Embodiment
Embodiment: a kind of emergency electronic ballast, comprise ballast circuit 1 and emergency device circuit, described emergency device circuit comprises control circuit 21, charging circuit 22, inverter circuit 23 and change-over circuit 24, control circuit 21 control charging circuits 22, inverter circuit 23 and change-over circuit 24 work, civil power is by 3 chargings of 22 pairs one rechargeable batteries of charging circuit, ballast circuit 1 is connected mains-supplied by K switch, the emergency device circuit is connected rechargeable battery 3 and is boosted the back power supply by inverter circuit 23, one of change-over circuit 24 gating ballast circuits 1 and inverter circuit 23 are to light fluorescent tube 4, be provided with a sample circuit 5 between described ballast circuit 1 and the emergency device circuit, the output situation of these sample circuit 5 sampling mains-supplied situations and ballast circuit 1 also is messaging in the control circuit 21 of emergency device circuit respectively, and control circuit 21 is according to one of the sampled signal control transformation circuit 24 gating ballast circuits 1 that receive and inverter circuit 23.Sample circuit 5 sampling mains-supplied situations and ballast output situation, only have and to sample simultaneously under the situation of civil power for outage and ballast output nothing, control circuit 21 control transformation circuit 24 are connected inverter circuits 23, rechargeable battery 3 power supplies and boost by inverter circuit 23 after light fluorescent tube 4; Civil power is under the power supply state, when K switch is closed, it is that power supply and ballast circuit have output that sample circuit 5 samples civil power, change-over circuit 24 is connected ballast circuit 1, and fluorescent tube is normal illuminating state, when K switch disconnects, sample circuit 5 samples civil power and is power supply and ballast circuit no-output, change-over circuit 24 still keeps connecting ballast circuit 1, and ballast circuit is not worked because of K switch disconnects civil power, and this moment, fluorescent tube was normal closed condition.
Described ballast circuit 1 is the conventional electrical ballast circuit; this ballast circuit 1 includes the EMC circuit; rectifier circuit; the PFC circuit of power factor correction; filter capacitor; drive circuit and protective circuit; wherein the EMC circuit connect civil power in the ac input end of rectifier circuit and charging circuit 22 inputs in the emergency device circuit to solve the electromagnetic compatibility problem of product; the electromagnetic noise that emergency electronic ballast is produced is limited in below the certain level; avoid causing conducted interference; so that smoothly reaching, direct current reduces fluctuating between the dc output end of PFC circuit of power factor correction and filter capacitor series connection back access rectifier circuit; and improve the power factor of circuit; reduce current harmonics; described fluorescent tube 4 forms the LC oscillation circuit by connecting inductance and electric capacity; drive circuit is lighted fluorescent tube 4 with the filtering parallel connection and by change-over circuit 24 these LC oscillation circuits of connection that are connected described emergency device circuit with driving with the PFC circuit of power factor correction of series connection; described protective circuit is connected between drive circuit and the change-over circuit 24 and is not damaged with the protective circuit element; when abnormality occurring; protective circuit is sensed the change in voltage of oscillation circuit and ballast circuit 1 is quit work, and pending fault can recover normal again after getting rid of.
Described filter capacitor is an electrochemical capacitor.
Be connected with a low-voltage lock-in circuit 6 on the described ballast circuit 1, the output of these low-voltage lock-in circuit 6 tandem drive circuit (promptly being serially connected between drive circuit and the protective circuit), this low-voltage lock-in circuit 6 its place voltage swings of induction and when this magnitude of voltage is lower than set point the lock drive circuit quit work and ballast circuit quit work, sample under the situation of civil power for outage and ballast output nothing at sample circuit, control circuit 21 control transformation circuit 24 are connected inverter circuit 23, rechargeable battery 3 power supply and boost by inverter circuit 23 after light fluorescent tube 4, this moment is owing to contain filter capacitor in the ballast circuit 1, this filter capacitor is an electrochemical capacitor, the power supply of rechargeable battery 3 after boosting will be put aside on this electrochemical capacitor and be formed voltage, thereby make the low-voltage lock-in circuit will sense certain magnitude of voltage, this certain magnitude of voltage is lower than set point, thereby guarantee that by the setting of low-voltage lock-in circuit 6 ballast circuit 1 can the voltage savings part work because of filter capacitor not provide extracurrent to fluorescent tube 4, the useful life of prolonging lamp tube 4 under the emergency device circuit working state; And under the normal above-mentioned two kinds of situations of commercial power supply, because of the emergency device circuit is not worked, the magnitude of voltage that low-voltage lock-in circuit 6 was sensed during ballast circuit 1 operate as normal when K switch was closed is higher than set point and release, fluorescent tube is normally lighted, when K switch disconnects, ballast circuit 1 integral body is not worked fully, and low-voltage lock-in circuit 6 is not worked because of there being power supply yet, and fluorescent tube is normal closed condition.
The set point of the magnitude of voltage of described low-voltage lock-in circuit 6 is 100V～150V.
Also be provided with a large current charge circuit 7 in the described emergency device circuit, this large current charge circuit is connected between the control circuit 21 of drive circuit in the described ballast circuit 1 and emergency device circuit, 7 work of control circuit 21 control large current charge circuit, 7 pairs of described rechargeable battery 3 chargings of this large current charge circuit, under fluorescent tube 4 normal illuminating states, ballast circuit 1 operate as normal, 3 chargings of 7 pairs of rechargeable batteries of large current charge circuit, control circuit 21 control charging circuits 22 quit work, when rechargeable battery 3 chargings are saturated, control circuit 21 control large current charge circuit 7 quit work and start charging circuit 22 work simultaneously, and rechargeable battery 3 is carried out little electric current electric power storage to guarantee that it is for the charging saturation condition; Under fluorescent tube 4 normal closed conditions, ballast circuit 1 quits work, and charging circuit 22 work is carried out low current charge or electric power storage to rechargeable battery 3 so that it reaches or keeps the saturation condition of charging.
Also be connected with a light sensation assembly 8 on the described emergency device circuit, this light sensation assembly 8 connects control circuit 21, these light sensation assembly 8 induced environment light also are messaging in control circuit 21, when need not to light a lamp daytime if the outage, should start emergency by the emergent phase circuit of sampling rule and light fluorescent tube, increase a light sensation assembly 8 induced environment light, can guarantee under the situation of ambient light abundance around, control circuit may command emergency device circuit does not start emergency and can not waste the electric weight of rechargeable battery 3.
Described light sensation assembly 8 is photo resistance.
Claims (8)
1. emergency electronic ballast, comprise ballast circuit (1) and emergency device circuit, described emergency device circuit comprises control circuit (21), charging circuit (22), inverter circuit (23) and change-over circuit (24), control circuit (21) control charging circuit (22), inverter circuit (23) and change-over circuit (24) work, civil power charges to a rechargeable battery (3) by charging circuit (22), ballast circuit (1) is connected mains-supplied by switch (K), the emergency device circuit is connected rechargeable battery (3) and is boosted the back power supply by inverter circuit (23), one of change-over circuit (24) gating ballast circuit (1) and inverter circuit (23) are to light fluorescent tube (4), it is characterized in that: be provided with a sample circuit (5) between described ballast circuit (1) and the emergency device circuit, the output situation of this sample circuit (5) sampling mains-supplied situation and ballast circuit (1) also is messaging in the control circuit (21) of emergency device circuit respectively, and control circuit (21) is according to one of sampled signal control transformation circuit (24) the gating ballast circuit (1) that receives and inverter circuit (23).
2. emergency electronic ballast according to claim 1; it is characterized in that: described ballast circuit (1) is the conventional electrical ballast circuit; this ballast circuit (1) includes the EMC circuit; rectifier circuit; the PFC circuit of power factor correction; filter capacitor; drive circuit and protective circuit; wherein the EMC circuit connects civil power in the ac input end of rectifier circuit and charging circuit (22) input in the emergency device circuit; PFC circuit of power factor correction and filter capacitor series connection back are inserted between the dc output end of rectifier circuit; described fluorescent tube (4) forms the LC oscillation circuit by connecting inductance and electric capacity; drive circuit is communicated with this LC oscillation circuit with the PFC circuit of power factor correction of series connection with the filtering parallel connection and by the change-over circuit (24) that is connected described emergency device circuit, and described protective circuit is connected between drive circuit and the change-over circuit (24).
3. emergency electronic ballast according to claim 2 is characterized in that: described filter capacitor is an electrochemical capacitor.
4. emergency electronic ballast according to claim 3, it is characterized in that: be connected with a low-voltage lock-in circuit (6) on the described ballast circuit (1), the output of this low-voltage lock-in circuit (6) tandem drive circuit, this low-voltage lock-in circuit (6) respond to its place voltage swing and when this magnitude of voltage is lower than set point the lock drive circuit quit work.
5. emergency electronic ballast according to claim 4 is characterized in that: the set point of the magnitude of voltage of described low-voltage lock-in circuit (6) is 100V～150V.
6. emergency electronic ballast according to claim 2, it is characterized in that: also be provided with a large current charge circuit (7) in the described emergency device circuit, this large current charge circuit is connected between the control circuit (21) of drive circuit in the described ballast circuit 1 and emergency device circuit, control circuit (21) control large current charge circuit (7) work, this large current charge circuit (7) charges to described rechargeable battery (3).
7. emergency electronic ballast according to claim 1 and 2, it is characterized in that: also be connected with a light sensation assembly (8) on the described emergency device circuit, this light sensation assembly (8) connects control circuit (21), and this light sensation assembly (8) induced environment light also is messaging in control circuit (21).
8. emergency electronic ballast according to claim 7 is characterized in that: described light sensation assembly (8) is photo resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201940149U CN201690664U (en) | 2010-05-14 | 2010-05-14 | Emergency electronic ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201940149U CN201690664U (en) | 2010-05-14 | 2010-05-14 | Emergency electronic ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201690664U true CN201690664U (en) | 2010-12-29 |
Family
ID=43378940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201940149U Expired - Fee Related CN201690664U (en) | 2010-05-14 | 2010-05-14 | Emergency electronic ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201690664U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101861040A (en) * | 2010-05-14 | 2010-10-13 | 苏州市昆士莱照明科技有限公司 | Emergency electronic ballast |
| CN102892230A (en) * | 2012-09-25 | 2013-01-23 | 张卫 | Illuminating device with emergency function |
| CN105657895A (en) * | 2016-01-31 | 2016-06-08 | 惠州市时宇虹光电科技有限公司 | Method for simultaneously adapting driving of LED lamp with electric supply input and electronic ballast input |
-
2010
- 2010-05-14 CN CN2010201940149U patent/CN201690664U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101861040A (en) * | 2010-05-14 | 2010-10-13 | 苏州市昆士莱照明科技有限公司 | Emergency electronic ballast |
| WO2011140686A1 (en) * | 2010-05-14 | 2011-11-17 | 苏州市昆士莱照明科技有限公司 | Emergency electronic ballast |
| CN102892230A (en) * | 2012-09-25 | 2013-01-23 | 张卫 | Illuminating device with emergency function |
| CN102892230B (en) * | 2012-09-25 | 2015-07-08 | 张卫 | Illuminating device with emergency function |
| CN105657895A (en) * | 2016-01-31 | 2016-06-08 | 惠州市时宇虹光电科技有限公司 | Method for simultaneously adapting driving of LED lamp with electric supply input and electronic ballast input |
| CN105657895B (en) * | 2016-01-31 | 2019-06-21 | 惠州市时宇虹光电科技有限公司 | A kind of method that LED light drives while being adapted to alternating current input and electric ballast input |
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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: 20101229 Termination date: 20120514 |