CN203814028U - Fluorescent lamp electronic ballast controlled by power line carrier waves - Google Patents
Fluorescent lamp electronic ballast controlled by power line carrier waves Download PDFInfo
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- CN203814028U CN203814028U CN201420165134.4U CN201420165134U CN203814028U CN 203814028 U CN203814028 U CN 203814028U CN 201420165134 U CN201420165134 U CN 201420165134U CN 203814028 U CN203814028 U CN 203814028U
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- electronic ballast
- fluorescent lamp
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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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The utility model discloses a fluorescent lamp electronic ballast controlled by power line carrier waves, and the electronic ballast is connected between a power grid and a fluorescent lamp. The fluorescent lamp electronic ballast comprises a drive circuit, a detection circuit, a control circuit, a dimming circuit, a high-pass coupling circuit and a switching circuit, wherein the output end of the drive circuit is connected with the fluorescent lamp; the input end of the detection circuit is connected with the output end of the drive circuit; the input end of the control circuit is connected with the output ends of the power grid and the detection circuit; the input end of the dimming circuit is connected with the output end of the control circuit, and the output end of the dimming circuit is connected with the input end of the drive circuit; the input end of the high-pass coupling circuit is connected with the power grid, and the output end of the high-pass coupling circuit is connected with the input end of the control circuit; and the input end of the switching circuit is connected with the power grid and the output end of the control circuit, and the output end of the switching circuit is connected with the input end of the drive circuit. The fluorescent lamp electronic ballast provided by the utility model uses the power grid as a communication medium, thereby eliminating control lines and facilitating on-site wiring.
Description
Technical field
The utility model relates to a kind of electronic ballast for fluoresent lamp, particularly a kind of electronic ballast for fluoresent lamp of power line carrier control.
Background technology
Dimmable electronic ballast belongs to energy-saving electrical equipment annex, has been widely used in the illuminations such as traffic, municipal administration, factory, and it has the advantages such as adjustable luminous intensity, efficiency is high, the life-span is long.But, the most of electric ballast that adopts monomer of current dimmable electronic ballast, its state generally by incoming power power on or power-off is controlled.
But the function of above-mentioned control mode is too simple, therefore, can not realize the function of monitoring and light modulation.At present, also have by control modes such as CAN electric ballast is monitored, but it need to increase extra control line, bring cost increase, networking difficulty, be difficult to the problems such as wiring to practical application.
Utility model content
The purpose of this utility model is to provide a kind of electronic ballast for fluoresent lamp of power line carrier control, to improve the disappearance of prior art.
For solveing the technical problem, the technical solution of the utility model is:
The electronic ballast for fluoresent lamp of a kind of power line carrier control that the utility model provides, is connected between electrical network and fluorescent lamp, and electronic ballast for fluoresent lamp comprises:
Drive circuit, its output is connected in fluorescent lamp;
Testing circuit, its input is connected in the output of drive circuit;
Control circuit, its input is connected in the output of electrical network and testing circuit;
Light adjusting circuit, its input is connected in the output of control circuit, and the output of light adjusting circuit is connected in the input of drive circuit;
High pass coupling circuit, its input is connected in electrical network, and the output of high pass coupling circuit is connected in the input of control circuit; And
Switching circuit, its input is connected in the output of electrical network and control circuit, and the output of switching circuit is connected in the input of drive circuit.
Further, drive circuit comprises the current rectifying and wave filtering circuit, circuit of power factor correction and the half-bridge inversion circuit that connect successively, the input of current rectifying and wave filtering circuit is connected in the output of switching circuit, the input of half-bridge inversion circuit is connected in the output of light adjusting circuit, and the output of half-bridge inversion circuit is connected in the input of testing circuit.
Further, drive circuit also comprises LC resonant ignition circuit, and its input is connected in the output of half-bridge inversion circuit, and the output of LC resonant ignition circuit is connected in fluorescent lamp.
Further, electronic ballast for fluoresent lamp also comprises secondary power supply circuit, and its input is connected in electrical network, and the output of secondary power supply circuit is connected in the input of control circuit.
Compared with prior art, the beneficial effects of the utility model are:
The electronic ballast for fluoresent lamp that the utility model provides as communication medium, saves control line by electrical network, is convenient to field wiring.Meanwhile, can each fluorescent lamp be detected and be controlled, not need extra building communication lines, have advantages of simple in structure, with low cost.
Brief description of the drawings
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model with embodiment mono-of the present utility model, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the integrated circuit structural representation of the electronic ballast for fluoresent lamp of the utility model one preferred embodiment.
Fig. 2 is the circuit structure diagram of control circuit in Fig. 1.
Embodiment
Fig. 1 is the integrated circuit structural representation of the electronic ballast for fluoresent lamp of the utility model one preferred embodiment.Please refer to Fig. 1.In the present embodiment, electronic ballast for fluoresent lamp 1 is connected between electrical network and fluorescent lamp (not shown).Electrical network can provide the AC power of 220V.Electronic ballast for fluoresent lamp 1 comprises switching circuit 10, drive circuit 11, testing circuit 12, control circuit 13, light adjusting circuit 14, high pass coupling circuit 15 and secondary power supply circuit 16.
In the present embodiment, the input of switching circuit 10 is connected in the output of electrical network and control circuit 13, and the output of switching circuit 10 is connected in the input of drive circuit 11, to control opening and turn-offing of drive circuit 11, finally control the Push And Release of fluorescent lamp.In the present embodiment, switching circuit 10 can be high level conducting, low level cut-off.That is, when the input of switching circuit 10 receives while being logic level " 1 " from the control signal of the output of control circuit 13, switching circuit 10 conductings, it will be delivered to drive circuit 11 from the electric power of electrical network; When the input of switching circuit 10 receives while being logic level " 0 " from the control signal of the output of control circuit 13, switching circuit 10 ends, and turn-offs thereby control drive circuit 11.But the utility model is not limited in any way this.In other embodiments, switching circuit 10 also can be low level conducting, high level cut-off.
In the present embodiment, drive circuit 11 comprises the current rectifying and wave filtering circuit 110, circuit of power factor correction 111, half-bridge inversion circuit 112 and the LC resonant ignition circuit 113 that connect successively.The input of current rectifying and wave filtering circuit 110 is as the input of whole drive circuit 11, and it is connected in the output of switching circuit 10, and the output of LC resonant ignition circuit 113 is as the output of whole drive circuit 11, and it is connected in fluorescent lamp.But the utility model is not limited in any way this, in other embodiments, LC resonant ignition circuit 113 also can be set.
In the present embodiment, at switching circuit 10 during in conducting state, the power supply of electrical network input is through filtering, the rectification of current rectifying and wave filtering circuit 110, and after the adjustment of circuit of power factor correction 111, operating voltage is promoted, and for example, can be promoted to 400V, while making work, power factor reaches a higher value, for example, be more than 0.99.But the utility model is not limited in any way this.Subsequently, power supply, after half-bridge inversion circuit 112 and LC resonant ignition circuit 113, exports fluorescent lamp to.
In the present embodiment, the input of testing circuit 12 is connected in the output of half-bridge inversion circuit 111, and the output of testing circuit 12 is connected in the input of control circuit 13.Particularly, testing circuit 12 detects the output current of half-bridge inversion circuit 111.If the output current of half-bridge inversion circuit 111 after testing circuit 12 is judged within the normal range (NR) of setting, can think that fluorescent lamp is normal condition.Now, testing circuit 12 accordingly output logic level " 1 " to control circuit 13.Otherwise, if the output current of half-bridge inversion circuit 111 after testing circuit 12 be judged to be to be greater than or less than set point, can think that fluorescent lamp is in abnormal condition.Now, testing circuit 12 accordingly output logic level " 0 " to control circuit 13.But the utility model is not limited in any way this.In other embodiments, in the time that fluorescent lamp is normal condition, testing circuit 12 accordingly output logic level " 0 " to control circuit 13; In the time that fluorescent lamp is abnormal condition, testing circuit 12 accordingly output logic level " 1 " to control circuit 13.
In the present embodiment, the input of control circuit 13 is connected to output, the output of high pass coupling circuit 15 and the output of secondary power supply circuit 16 of testing circuit 12.The output of control circuit 13 is connected to the input of light adjusting circuit 14 and the input of switching circuit 10.Control circuit 13 can output control signals to switching circuit 10 accordingly according to the logic level of testing circuit 12 output signals.For example, in the time receiving the logic level " 1 " of testing circuit 12, control circuit 13 can corresponding output logic level " 1 "; In the time receiving the logic level " 0 " of testing circuit 12, control circuit 13 can corresponding output logic level " 0 ".But the utility model is not limited in any way this.In other embodiments, in the time receiving the logic level " 1 " of testing circuit 12, the exportable logic level of control circuit 13 " 0 "; In the time receiving the logic level " 0 " of testing circuit 12, the exportable logic level of control circuit 13 " 1 ".
In the present embodiment, control circuit 13 can accordingly half-bridge inversion circuit 112 carry out to power adjustments by light adjusting circuit 10, thereby realize, fluorescent lamp is carried out to power adjustments (light modulation) control.
In the present embodiment, the input of high pass coupling circuit 15 is connected in electrical network, and the output of high pass coupling circuit 15 is connected in the input of control circuit 13.In the time that control circuit 13 receives the control signal from electrical network, the high-frequency signal of modulating on electrical network is after the coupling reduction of high pass coupling circuit is high-frequency signal, be delivered to control circuit, thereby realizing the operating state with power line carrier system control electronic ballast for fluoresent lamp.
In addition, control circuit 13 and high pass coupling circuit 15 also can adopt the mode of two-way communication.; the operating state of the fluorescent lamp that control circuit 13 obtains detection is sent to electrical network by high pass coupling circuit 15; be delivered to again Surveillance center's (not shown) of far-end, carry out centralized control with the electronic ballast for fluoresent lamp to all on section---by time light modulation.
In the present embodiment, the input of secondary power supply circuit 16 is connected in electrical network, and the output of secondary power supply circuit 16 is connected in the input of control circuit 13, thinks that control circuit 13 provides working power.But the utility model contrast is not limited in any way.The mode that in other embodiments, also can adopt built-in power is powered for control circuit 13.
Fig. 2 is the circuit structure diagram of control circuit in Fig. 1.Please refer to Fig. 2.In the present embodiment, control circuit 13 is by power carrier special module JP1, zero resistance R0, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9, the tenth resistance R 10, the 11 resistance R 11, the 12 resistance R 12, the first light-emitting diode D1, the second light-emitting diode D2, the 3rd light-emitting diode D3, the 5th light-emitting diode D5, the 6th light-emitting diode D6, the 4th diode D4, the first touch-switch S1, the second touch-switch S2, the 3rd inductance L 3, electrochemical capacitor EC1, the 7th capacitor C 7, the 8th capacitor C 8, the 9th capacitor C 9, the tenth capacitor C 10, coupling transformer T1 and piezo-resistance RAV composition.Power carrier special module JP1 is power carrier special integrated circuit PL3120 and typical circuit composition thereof.
In the present embodiment, the pin 6 of power carrier special module JP1, pin 7, pin 22, pin 23 and pin 26 ground connection.
In the present embodiment, the pin 1 of the positive pole of the pin 1 of power carrier special module JP1, electrochemical capacitor EC1, the 4th diode D4 is connected with the VCC1 of secondary power supply circuit 16.The pin 3 of the 4th diode D4 is connected with the pin 3 of power carrier special module JP1 with one end of the 9th capacitor C 9, and pin 2 ground connection of the 4th diode D4.The other end of the 9th capacitor C 9 is connected with the pin 4 of power carrier special module JP1 with the pin 1 of coupling transformer T1.Pin 2 ground connection of coupling transformer T1.The pin 3 of coupling transformer T1 is connected with one end of the tenth capacitor C 10, and the input live wire of the 220V AC power that one end of the other end of the tenth capacitor C 10, one end of the tenth resistance R 10 and piezo-resistance RAV provides with electrical network is connected.The other end of the pin 4 of coupling transformer T1, the other end of the tenth resistance R 10 and piezo-resistance RAV is connected with the input zero line of 220V AC power power supply.
In the present embodiment, the pin 2 of power carrier special module JP1 and the anodic bonding of the 3rd light-emitting diode D3, and the negative electrode of the 3rd light-emitting diode D3 is connected with one end of the 9th resistance R 9, the other end ground connection of the 9th resistance R 9.
In the present embodiment, the pin 5 of power carrier special module JP1 is connected with one end of the 3rd inductance L 3, the other end ground connection of the 3rd inductance L 3.
In the present embodiment, the pin 8 of power carrier special module JP1 and one end of the 11 resistance R 11, one end of touch-switch S1 are connected.The other end ground connection of touch-switch S1.The other end of the 11 resistance R 11 is connected with the 6th light-emitting diode D6 negative electrode.One end, one end of zero resistance R0 and one end of the 4th resistance R 4 of the anode of the 6th light-emitting diode D6, the anode of the 5th light-emitting diode D5, the 7th capacitor C 7 are connected with the VCC2 of secondary power supply circuit 16.The negative electrode of the 5th light-emitting diode D5 is connected with one end of the 12 resistance R 12.
In the present embodiment, one end of the other end of the other end of the 12 resistance R 12, the 7th capacitor C 7, touch-switch S2 and one end of the 8th capacitor C 8 are connected with the pin 9 of power carrier special module JP1.The other end ground connection of the other end of the second touch-switch S2 and the 8th capacitor C 8.The other end of zero resistance R0 is connected with the pin 29 of power carrier special module JP1.The other end of the 4th resistance R 4 is connected with an input of testing circuit 12.One end of the second resistance R 2 is connected with the pin 10 of power carrier special module, and the other end of the second resistance R 2 is connected with switching circuit 10.
In the present embodiment, one end of the 3rd resistance R 3 is connected with the pin 11 of power carrier special module JP1, and the other end of the 3rd resistance R 3 is connected with light adjusting circuit 14.One end of the 5th resistance R 5 is connected with the pin 13 of power carrier special module JP1, and the other end of the 5th resistance R 5, one end of the 6th resistance R 6 are connected with another input of testing circuit 12, the other end ground connection of the 6th resistance R 6.
In the present embodiment, the anode of the first light-emitting diode D1 is connected with the pin 27 of power carrier special module JP1, and the negative electrode of the first light-emitting diode D1 is connected with one end of the 7th resistance R 7, the other end ground connection of the 7th resistance R 7.The anode of the second light-emitting diode D2 is connected with the pin 28 of power carrier special module JP1, and the second light-emitting diode D2 negative electrode is connected with one end of the 8th resistance R 8, the other end ground connection of the 8th resistance R 8.
In the electronic ballast for fluoresent lamp providing in the utility model preferred embodiment, control circuit detects the operating state of half-bridge inversion circuit by testing circuit, with to the normal bright light of fluorescent lamp, turn off the light, open circuit, short circuit, agingly judge.And can carry out switch, power adjustments (light modulation) control to fluorescent lamp by switching circuit and light adjusting circuit.In addition, control circuit can transfer to Surveillance center using electrical network as communication medium by the operating state of fluorescent lamp, so that the fault of street lighting node can be detected, be judged in Surveillance center exactly, and can realize different illumination compound modes according to different lighting requirements, thereby improve operational efficiency and the automaticity of whole road lamp system.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (4)
1. an electronic ballast for fluoresent lamp for power line carrier control, is connected between electrical network and fluorescent lamp, it is characterized in that, described electronic ballast for fluoresent lamp comprises:
Drive circuit, its output is connected in described fluorescent lamp;
Testing circuit, its input is connected in the described output of described drive circuit;
Control circuit, its input is connected in the output of described electrical network and described testing circuit;
Light adjusting circuit, its input is connected in the output of described control circuit, and the output of described light adjusting circuit is connected in the input of described drive circuit;
High pass coupling circuit, its input is connected in described electrical network, and the described output of described high pass coupling circuit is connected in the described input of described control circuit; And
Switching circuit, its input is connected in the described output of described electrical network and described control circuit, and the output of described switching circuit is connected in the input of described drive circuit.
2. the electronic ballast for fluoresent lamp of a kind of power line carrier control according to claim 1, it is characterized in that, described drive circuit comprises the current rectifying and wave filtering circuit, circuit of power factor correction and the half-bridge inversion circuit that connect successively, the input of described current rectifying and wave filtering circuit is connected in the described output of described switching circuit, the input of described half-bridge inversion circuit is connected in the described output of described light adjusting circuit, and the output of described half-bridge inversion circuit is connected in the described input of described testing circuit.
3. the electronic ballast for fluoresent lamp of a kind of power line carrier control according to claim 2, it is characterized in that, described drive circuit also comprises LC resonant ignition circuit, its input is connected in the described output of described half-bridge inversion circuit, and the output of described LC resonant ignition circuit is connected in described fluorescent lamp.
4. the electronic ballast for fluoresent lamp of a kind of power line carrier control according to claim 1, it is characterized in that, described electronic ballast for fluoresent lamp also comprises secondary power supply circuit, its input is connected in described electrical network, and the output of described secondary power supply circuit is connected in the described input of described control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420165134.4U CN203814028U (en) | 2014-03-30 | 2014-03-30 | Fluorescent lamp electronic ballast controlled by power line carrier waves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420165134.4U CN203814028U (en) | 2014-03-30 | 2014-03-30 | Fluorescent lamp electronic ballast controlled by power line carrier waves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203814028U true CN203814028U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420165134.4U Expired - Fee Related CN203814028U (en) | 2014-03-30 | 2014-03-30 | Fluorescent lamp electronic ballast controlled by power line carrier waves |
Country Status (1)
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| CN (1) | CN203814028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105813274A (en) * | 2016-05-17 | 2016-07-27 | 深圳市宝瑞恒业科技有限公司 | Power driving circuit and light emitting diode (LED) lamp tube |
-
2014
- 2014-03-30 CN CN201420165134.4U patent/CN203814028U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105813274A (en) * | 2016-05-17 | 2016-07-27 | 深圳市宝瑞恒业科技有限公司 | Power driving circuit and light emitting diode (LED) lamp tube |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Wuxi medium cloud Photon city intelligent Science and Technology Ltd. Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice |
Addressee: Wuxi medium cloud Photon city intelligent Science and Technology Ltd. Document name: Notification of Termination of Patent Right |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20160330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |