CN203467052U - Lamp power control circuit - Google Patents
Lamp power control circuit Download PDFInfo
- Publication number
- CN203467052U CN203467052U CN201320479656.7U CN201320479656U CN203467052U CN 203467052 U CN203467052 U CN 203467052U CN 201320479656 U CN201320479656 U CN 201320479656U CN 203467052 U CN203467052 U CN 203467052U
- Authority
- CN
- China
- Prior art keywords
- switching tube
- lamp
- circuit
- switch pipe
- controller
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model relates to a lamp power control circuit. One end of a current regulating circuit (1) is connected with one end of a first switching tube (K1), a center tap is connected with one end of a second switching tube (K2), and the other end of the second switching tube (K2) is connected with the other end of the first switching tube (K1). The lamp power control circuit further comprises a lamp starting circuit and a controller (2), wherein the lamp starting circuit comprises a bulb (HID) connected to the front end or the rear end of the current regulating circuit (1) and a starter (3) used for starting operation of the bulb (HID), and the controller (2) is connected with the first switching tube (K1) and the second switching tube (K2). An average value of current flowing through a lamp can be regulated through regulating the time of current flowing from an inductive ballast, thereby achieving the purpose of stepless regulation of the lamp power. The controller calculates the lamp power through measuring lamp voltage, lamp current, and carries out closed-loop regulation according to the lamp power, thereby achieving the purpose of constant power control.
Description
Technical field
The utility model relates to a kind of lamp power control circuit.
Background technology
Present HID lamp generally adopts Inductive ballast stabling current, but Inductive ballast can not continuously, infinitely regulate lamp power, and this is very inconvenient in the use, while regulating light such as needs.For another example, existing Inductive ballast circuit, when change in voltage, lamp power changes thereupon, and when line voltage raises, lamp power strengthens, and causes power dissipation and bulb life to reduce.So in the urgent need to stepless adjusting power method, make Inductive ballast also can regulate continuously as required light on market, realize lamp fixedness of output power control in Inductive ballast circuit.
Have now a kind of by changing the method for ballast inductor amount adjusting power, to add an auxiliary winding at Inductive ballast, by the method for auxiliary winding short circuit, make Inductive ballast part iron circuit saturated, change the inductance value of Inductive ballast, reach the object that regulates electric current and then regulate lamp power, the method Inductive ballast complex structure, when auxiliary winding short circuit, short circuit current is very large, causes iron core heating and energy dissipation, so the method is difficult to be accepted by market.
Utility model content
The utility model aims to provide a kind of lamp power control circuit, and technical problem to be solved is, and first, realize the step-less adjustment to lamp power.The second, bulb is operated on firm power, reaches the object of economize on electricity and to prolong the life of lamps.
In order to solve this technical problem, the utility model by the following technical solutions:
A lamp power control circuit, is characterized in that: it comprises current regulating circuit, is connected to current regulating circuit front end or rear end and by bulb and the lamp start-up circuit that forms for starting the starter of bulb work, also comprises controller; Described current regulating circuit comprises Inductive ballast, the first switching tube and second switch pipe, wherein one end of Inductive ballast connects one end of the first switching tube, and the centre tap of Inductive ballast connects one end of second switch pipe, and the other end of second switch pipe connects the other end of the first switching tube; Controller respectively the first switching tube is connected with second switch pipe.
The first switching tube and second switch pipe can be respectively single switching tube.
The first switching tube can be also the switching tube group being formed by connecting by two above switching tubes.
Second switch pipe can be also the switching tube group being formed by connecting by two above switching tubes.
Further, described lamp start-up circuit is also serially connected with resistance; The two ends of resistance are connected with controller respectively; Controller is also connected respectively on the circuit of bulb front and back ends, or is connected respectively on the circuit of described lamp start-up circuit front and back ends.
Preferably, described switching tube is power switch pipe, comprises thyristor, field effect transistor, triode, IGBT.
Good effect of the present utility model is: the first,, by regulating the morning and evening of flowing out electric current from Inductive ballast centre tap, just can regulate the current average that flows through lamp, thereby reach the object of step-less adjustment lamp power.In the time will regulating light, only need there is an outer signals input control device, controller, according to the morning and evening that per half period of signal regulates the second bidirectional triode thyristor G2 to open, regulates the size of lamp average current, has also just regulated lamp power, thereby reaches the object that becomes light.Realize the step-less adjustment to lamp power, reached the object of economize on electricity and protection bulb.The second, controller, by measuring modulating voltage, lamp current, calculates lamp power, according to lamp power, carrys out closed-loop adjustment, thereby has reached the object that permanent power is controlled.
Accompanying drawing explanation
Fig. 1 is structure and the operation principle schematic diagram of the utility model embodiment mono-.Fig. 2 is structure and the operation principle schematic diagram of the utility model embodiment bis-.Fig. 3 is structure and the operation principle schematic diagram of the utility model embodiment tri-.Fig. 4 is structure and the operation principle schematic diagram of the utility model embodiment tetra-.Fig. 5 is structure and the operation principle schematic diagram of the utility model embodiment five.Fig. 6 is structure and the operation principle schematic diagram of the utility model embodiment six.
Embodiment
As Fig. 1-4, basic circuit of the present utility model comprises current regulating circuit 1, is connected to current regulating circuit 1 rear end and by bulb HID and the lamp start-up circuit that forms for starting the starter 3 of bulb HID work, also comprises controller 2.Described current regulating circuit 1 comprises Inductive ballast L0, the first switching tube K1 and second switch pipe K2, wherein one end of Inductive ballast L0 connects one end of the first switching tube K1, the centre tap of Inductive ballast L0 connects one end of second switch pipe K2, and the other end of second switch pipe K2 connects the other end of the first switching tube K1; Controller 2 respectively the first switching tube K1 is connected with second switch pipe K2;
The first switching tube K1 and second switch pipe K2 can be respectively single switching tube.The first switching tube K1 can be also the switching tube group being formed by connecting by two above switching tubes.Second switch pipe K2 can be also the switching tube group being formed by connecting by two above switching tubes.
As Fig. 5, the utility model can also comprise the resistance R 1 that is serially connected in described lamp start-up circuit further, and the two ends of resistance R 1 are connected with controller 2 respectively; Controller 2 is also connected respectively on the circuit of bulb HID front and back ends, or is connected respectively on the circuit of described lamp start-up circuit front and back ends.
Described switching tube is power switch pipe, comprises thyristor, field effect transistor, triode, IGBT.
Below in conjunction with specific embodiment, further illustrate the utility model.
Embodiment mono-
As Fig. 1,220 volts of alternating current fire wire L of civil power connect the left end of Inductive ballast L0, the right-hand member of Inductive ballast L0 connects the left end of the first switching tube K1, the centre tap of Inductive ballast L0 connects the left end of second switch pipe K2, after being connected to each other, the right-hand member of the right-hand member of the first switching tube K1 and second switch pipe K2 connects the input of starter 3, one end of the output connection bulb HID of starter 3, the other end of bulb HID connects 220 volts of alternating current zero line N of civil power.
The first switching tube K1 is connected with controller 2 respectively with second switch pipe K2.
Embodiment bis-
As Fig. 2, the right-hand member of left connection the first switching tube K1 of Inductive ballast L0, the centre tap of Inductive ballast L0 connects the right-hand member of second switch pipe K2, after the left end of the left end of the first switching tube K1 and second switch pipe K2 is connected to each other, meets 220 volts of alternating current fire wire L of civil power.The right-hand member of Inductive ballast L0 connects the input of starter 3, one end of the output connection bulb HID of starter 3, and the other end of bulb HID connects 220 volts of alternating current zero line N of civil power.
The first switching tube K1 is connected with controller 2 respectively with second switch pipe K2.
Embodiment tri-
As Fig. 3,220 volts of alternating current fire wire L of civil power connect the left end of Inductive ballast L0, the right-hand member of Inductive ballast L0 connects the left end of the first switching tube K1, the centre tap of Inductive ballast L0 connects the left end of second switch pipe K2, the right-hand member of the first switching tube K1 is connected respectively one end of starter 3 and one end of bulb HID after being connected to each other with the right-hand member of second switch pipe K2 again, and the bulb HID other end is connected with the other end of starter 3.
The first switching tube K1 is connected with controller 2 respectively with second switch pipe K2.
Embodiment tetra-
As Fig. 4, the present embodiment adopts has tapped starter.220 volts of alternating current fire wire L of civil power connect the left end of Inductive ballast L0, the right-hand member of Inductive ballast L0 connects the left end of the first switching tube K1, the centre tap of Inductive ballast L0 connects the left end of second switch pipe K2, the right-hand member of the first switching tube K1 is connected respectively one end of starter 3 and one end of bulb HID after being connected to each other with the right-hand member of second switch pipe K2 again, and 220 volts of alternating current zero line N of the other end of bulb HID and civil power are connected.The other end of starter 3 is connected with the centre tap of Inductive ballast L0 and the left end of second switch pipe K2 respectively.
The first switching tube K1 is connected with controller 2 respectively with second switch pipe K2.
Embodiment five
As Fig. 5, in the present embodiment, the first switching tube K is by two switches set that one-way SCR forms of mutual parallel connection, and wherein the control utmost point of each one-way SCR is connected with controller 2 respectively.The structure of other parts is with embodiment mono-.
Embodiment six
As Fig. 6,220 volts of alternating current fire wire L of civil power connect the left end of Inductive ballast L0, the right-hand member of Inductive ballast L0 connects the left end of the first switching tube K1, the centre tap of Inductive ballast L0 connects the left end of second switch pipe K2, after the right-hand member of the right-hand member of the first switching tube K1 and second switch pipe K2 is connected to each other, connect the input of starter 3, starter 3 is also connected with the two ends of bulb HID respectively.
Bulb HID is one end of series resistor R1 also, and the other end of resistance R 1 connects 220 volts of alternating current zero line N of civil power.
The first switching tube K1 is connected with controller 2 respectively with second switch pipe K2.Controller 2 is also connected with the two ends of resistance R 1 respectively.Controller 2 is also connected respectively on the circuit of described lamp start-up circuit front and back ends.
In embodiment mono-to four, start while starting, controller 2 turn-offs second switch pipe K2, opens the first switching tube K1, and starter 3 produces triggering high pressure bulb HID is lighted, and then, when the each zero crossing of AC lamp current, controller 2 is opened the first switching tube K1.Electric current enters Inductive ballast L0 input from civil power live wire L like this, from Inductive ballast L0 output, flow out, through the first switching tube K1, starter 3, arrive bulb, through bulb HID, flow to civil power zero line N, make bulb HID have continuous alternating current to pass through, normally luminous.
This Time Controller 2 is measured lamp current zero crossing constantly, and this is the moment at zero point constantly, from this, constantly counts, and how long time delay opens second switch pipe K2, turn-offs the first switching tube K1 simultaneously, and this time expand is made as t1.
At lamp sine-wave current zero crossing to electric current, reach and between peak value, open second switch pipe K2, close simultaneously and disconnect after the first switching tube K1, electric current is from civil power live wire L, through Inductive ballast L0 input, enter L0, by Inductive ballast L0 centre tap, flowed out, through second switch pipe K2, starter 3, arrive bulb HID, through bulb HID, flow to civil power zero line N, form bulb electric current.Now Inductive ballast L0 is owing to being to flow out from centre tap, and Inductive ballast L0 inductance value reduces, thus electric current increase, lamp increased power.So in every half period, regulate t1 time expand, open second switch pipe K2 and turn-off the first switching tube K1 simultaneously, regulate from the morning and evening of L0 centre tap outflow electric current, just can regulate the current average that flows through lamp, also just can step-less adjustment lamp power.
In the time will regulating light, only need there is an outer signals input control device 2, controller 2 comes per half period to regulate the t1 time to open second switch pipe K2 according to signal, turn-off the first switching tube K1 simultaneously, regulate the size of lamp average current, also just regulated lamp power, thereby reach the object that becomes light.
If needing the permanent power of realizing bulb HID controls, as embodiment six, by resistance R 1, measure lamp current, and by resistance R 1 two ends, lamp starter circuit two ends, link controller 2, controller 2 is measured modulating voltage, lamp current accordingly, calculate lamp power, according to lamp power, carry out closed-loop adjustment, thereby reach the object that permanent power is controlled.
Claims (7)
1. a lamp power control circuit, it is characterized in that: it comprises current regulating circuit (1), be connected to current regulating circuit (1) front end or rear end and by bulb (HID) and the lamp start-up circuit that forms for starting the starter (3) of bulb (HID) work, also comprise controller (2); Described current regulating circuit (1) comprises Inductive ballast (L0), the first switching tube (K1) and second switch pipe (K2), wherein one end of Inductive ballast (L0) connects one end of the first switching tube (K1), the centre tap of Inductive ballast (L0) connects one end of second switch pipe (K2), and the other end of second switch pipe (K2) connects the other end of the first switching tube (K1); Controller (2) respectively the first switching tube (K1) is connected with second switch pipe (K2).
2. lamp power control circuit as claimed in claim 1, is characterized in that: the first switching tube (K1) and second switch pipe (K2) are respectively single switching tube.
3. lamp power control circuit as claimed in claim 1, is characterized in that: the switching tube group of the first switching tube (K1) for being formed by connecting by two above switching tubes.
4. lamp power control circuit as claimed in claim 1, is characterized in that: the switching tube group of second switch pipe (K2) for being formed by connecting by two above switching tubes.
5. the lamp power control circuit as described in claim 1～4 any one, is characterized in that: described lamp start-up circuit is also serially connected with resistance (R1); The two ends of resistance (R1) are connected with controller (2) respectively; Controller (2) is also connected respectively on the circuit of bulb (HID) front and back ends, or is connected respectively on the circuit of described lamp start-up circuit front and back ends.
6. the lamp power control circuit as described in claim 1～4 any one, is characterized in that: described switching tube is power switch pipe, comprises thyristor, field effect transistor, triode, IGBT.
7. lamp power control circuit as claimed in claim 5, is characterized in that: described switching tube is power switch pipe, comprises thyristor, field effect transistor, triode and IGBT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320479656.7U CN203467052U (en) | 2013-08-07 | 2013-08-07 | Lamp power control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320479656.7U CN203467052U (en) | 2013-08-07 | 2013-08-07 | Lamp power control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203467052U true CN203467052U (en) | 2014-03-05 |
Family
ID=50179387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320479656.7U Expired - Fee Related CN203467052U (en) | 2013-08-07 | 2013-08-07 | Lamp power control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203467052U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561532A (en) * | 2013-08-07 | 2014-02-05 | 殷红 | Lamp power control circuit |
| CN107222955A (en) * | 2016-03-21 | 2017-09-29 | 法雷奥照明公司 | The management of binary message in luminous motor vehicles module including semiconductor component light source |
-
2013
- 2013-08-07 CN CN201320479656.7U patent/CN203467052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561532A (en) * | 2013-08-07 | 2014-02-05 | 殷红 | Lamp power control circuit |
| CN107222955A (en) * | 2016-03-21 | 2017-09-29 | 法雷奥照明公司 | The management of binary message in luminous motor vehicles module including semiconductor component light source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105142282B (en) | LED segmented alternate conduction circuits and its driving method based on MCU | |
| CN103945616B (en) | A kind of light fixture and LED drive device thereof | |
| CN102404907B (en) | Three-wire dimmer | |
| CN203467052U (en) | Lamp power control circuit | |
| CN202495757U (en) | Impulse current limiting circuit and corresponding chopping dimming system thereof | |
| CN204616156U (en) | A kind of LED drive circuit being applicable to controllable silicon light modulation | |
| CN203327352U (en) | Stepless adjustment circuit of lamp power | |
| CN203590550U (en) | Large-power LED lamp realized by adopting voltage-isolated fly-back controller | |
| CN103561532A (en) | Lamp power control circuit | |
| CN203279251U (en) | Constant-current LED dimming driving controller | |
| CN202652646U (en) | Universal light modulator | |
| CN103347358B (en) | Lamp power stepless regulation circuit | |
| CN203761636U (en) | Universal alternating-current LED lamp | |
| CN205847668U (en) | A kind of linear light-adjustable LED lamp | |
| CN203934041U (en) | A kind of light fixture and LED drive unit thereof | |
| CN203104914U (en) | Improved LED (Lighting-Emitting Diode) driving circuit | |
| CN205071419U (en) | Line current infinitely variable control device | |
| CN202750305U (en) | LED spotlight with dimming function | |
| CN201893967U (en) | Electrodeless dimming lamp | |
| CN203457395U (en) | Continuous variable power inductance ballast and continuous variable power electric appliance | |
| CN204350371U (en) | Led light adjusting circuit | |
| CN203151788U (en) | Light gradual change time delay high-power controller | |
| CN202340194U (en) | Power frequency voltage regulation circuit | |
| CN204518154U (en) | Closed-loop control LED power | |
| CN203775469U (en) | Light adjusting circuit and lighting control device applying light adjusting circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20190807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |