CN104486897A - Voltage regulation control device for inductive ballast - Google Patents
Voltage regulation control device for inductive ballast Download PDFInfo
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- CN104486897A CN104486897A CN201410663340.2A CN201410663340A CN104486897A CN 104486897 A CN104486897 A CN 104486897A CN 201410663340 A CN201410663340 A CN 201410663340A CN 104486897 A CN104486897 A CN 104486897A
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- relay
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- control unit
- alternating current
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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 invention discloses a voltage regulation control device for an inductive ballast. The voltage regulation control device comprises a self coupling transformer, a control unit, a relay unit, a driving unit and an auxiliary power supply, wherein the device utilizes the function that a relay can be used as a conversion switch, and the relay is combined with a driving circuit to realize the output and the conversion of a plurality of stages of different voltages, so that power supply voltage required by external equipment is provided. In addition, a user can control the multi-gear voltage output according to concrete requirements, the goal can be achieved only through increasing the corresponding relay and the corresponding driving circuit, simplicity, convenience and high speed are really realized, the requirement of outputting various voltages in a controlled way is met, and the fast and convenient voltage regulation and the maximum efficiency are realized. The voltage regulation control device has the advantages that the defect of a phenomenon that an original inductive ballast cannot realize the single dimming is overcome, no special requirements on power supply of an electric network exist, the linear voltage output can be realized, the power consumption cannot be additionally increased, and in addition, a higher power factor is maintained.
Description
Technical field
The invention belongs to lighting apparatus control technology field, be specifically related to a kind of Regulation Control device of Inductive ballast.
Background technology
The gaseous discharge lamp that market today is sold, comprise the light fixture for conventional outdoor lighting such as sodium vapor lamp, Metal halogen lamp, the power supply of conventional arrangement is all Inductive ballast, Inductive ballast in use, can Long-Time Service, failure rate is low, than electric ballast cost on also relatively low, obtain the accreditation of a lot of light fixture manufacturer and owner.But the unique shortcoming of Inductive ballast, for cannot carry out Energy Saving Control, can only ensure to be used in fixed voltage operated within range, the effect of intelligent economize on electricity cannot be realized.
Present many energy-conservation companies, the company of being such as EMC (electromagnetic compatibility) is a lot, and country is also advocating energy-saving and emission-reduction energetically, for reducing the annual electricity charge in city and effort.Much newly-built road all have employed the mode of LED lamp, but for such street lamp, the cost built is very high, simultaneously for traditional street lamp, the light fixture itself installed has been installed completely and has fixedly been completed, the amendment of LED lamp cannot be carried out, unless carried out Reconstruction of City Road, otherwise cannot reequip on original light fixture.The light fixture which results on the road of originally urban planning cannot carry out economize on electricity control, can only take the power supply turning off a certain road at times, but does like this illuminance can be caused greatly to reduce, and serious words there will be traffic accident.Therefore how to allow Inductive ballast have dimming function, making it have intelligent dimming, thus greatly save the loss of the energy, is a significant research project of expense.
Dimming modes most is on the market all have employed controllable silicon chopping depressuring mode, and the feature of which is just only that volume is little, but controllable silicon is in the process worked long hours, and can produce heat, needs to carry out radiating treatment.Simultaneously thyristor regulating is pressed in the scope of application and is also subject to certain restrictions, and more satisfactory is exactly the occasion being used in purely resistive load, is not easy the change causing real impedance load when controllable silicon carries out chopper control.And controllable silicon is when chopper control, the increase of high order harmonic component on power line can be caused, cause electric power pollution grows worse on power line.
At some to the stricter place of output voltage wave, generally can adopt the mode of electronic pressure controller, after high frequency adjustment is carried out in interchange input, carry out High frequency filter again, by changing the interchange value size that high-frequency signal adjustment exports, the program can reduce the civilian wave interference on power line, but need in circuit to adopt field effect transistor to carry out high frequency conversion, therefore cause field effect transistor and produce high temperature, need to carry out radiating treatment, simultaneously also very high to the control overflow of circuit, circuit structure is complicated, need the outside aluminum alloy casing that adopts to dispel the heat, volume is large simultaneously.If inside increases output voltage regulation circuit again, so circuit structure will be more complicated.
Summary of the invention
For existing existing above-mentioned technical problem, the invention provides a kind of Regulation Control device of Inductive ballast, overcoming former Inductive ballast can not the phenomenon of light modulation separately, particular/special requirement is not had to the power supply of electrical network, Linear voltage output can be realized, additionally can not increase power consumption, and keep higher power factor (PF).
A Regulation Control device for Inductive ballast, comprising: autotransformer, control unit, relay unit, driver element and accessory power supply; Wherein:
Described autotransformer carries out electric pressure conversion to the alternating current of 220V on power line, exports the working volts alternating current of the different electric pressure in N road, N be greater than 1 natural number;
Described driver element is connected with control unit, and it receives the drive singal produced from control unit, and carries out power amplification to control described relay unit to signal;
Described relay unit is connected with driver element and autotransformer, and it is controlled by driver element and exports the drive singal after amplifying, and the working volts alternating current of autotransformer output corresponding voltage grade and Inductive ballast are connected;
Described accessory power supply is connected with driver element and control unit, and it converts the alternating current of 220V on power line to low-voltage DC, thinks that driver element and control unit provide operating voltage.
Preferably, described Regulation Control device also comprises modulation-demodulation circuit, it receives the remote carrier control signal of subscriber equipment transmission by power line, and demodulation is carried out to signal extract control command and by Serial Port Transmission to control unit, control unit exports corresponding drive singal according to control command, and then by controlling relay unit, corresponding working volts alternating current is applied to Inductive ballast, realize the object of Long-distance Control pressure regulation.
Described relay unit is by N number of relay J
1~ J
ncomposition.
Described driver element comprises N number of drive circuit; Described drive circuit comprises triode Q, a diode D and two resistance R
1~ R
2; Wherein, resistance R
1one end and resistance R
2one end and triode Q base stage be connected, resistance R
2the other end be connected with control unit, resistance R
1the other end to be connected with the emitter of triode Q and ground connection, the collector electrode of triode Q is connected with one end of diode D anode and corresponding relay coil, and diode D negative electrode is connected with the other end of corresponding relay coil and connects the operating voltage that accessory power supply provides.
Described relay J
ione termination autotransformer of normally opened contact exports working volts alternating current, the other end and the relay J of corresponding voltage grade
i+1one end of normally-closed contact is connected; Relay J
i+1the other end of normally-closed contact is connected with Inductive ballast; Relay J
none termination autotransformer of normally opened contact exports the working volts alternating current of corresponding voltage grade, and the other end is connected with Inductive ballast, and i is natural number and 1≤i≤N-1.
Described control unit comprises single-chip microcomputer and amplifier circuit; Described single-chip microcomputer carries out amplification sampling by amplifier circuit to the control command that modulation-demodulation circuit transmits, and exports corresponding drive singal by the I/O port of self to driver element.
Described single-chip microcomputer utilizes amplifier circuit harvester Zhong Ge road supply power voltage and electric current, by modulation-demodulation circuit, these electric current and voltage information are modulated, and send to subscriber equipment with the form of carrier signal by power line, for the data message that user's remote inquiry is relevant, realize equipment energy consumption monitoring.
Described modulation-demodulation circuit is connected with accessory power supply, and accessory power supply converts the alternating current of 220V on power line to 5V, 12V and 18V tri-groups of low-voltage DCs; Wherein, 5V is supplied to control unit, and 12V is supplied to driver element, and 18V is supplied to modulation-demodulation circuit.
Described relay J
1~ J
nadopt SPDT relay; The voltage of autotransformer, determine the output voltage exporting whole control, relay uses many, then corresponding output voltage is selected also to add.
Present invention utilizes relay can as the function of change over switch, and combine relay and drive circuit the output achieving multistage different voltage and conversion, thus provide the supply power voltage required for external equipment.And user can control many grades of voltages according to specific needs to be exported, only need increase corresponding relay and drive circuit can realize, just really reach simple and easy, convenient, control to export multiple voltage demand, realize that pressure regulation is quick, maximizing efficiency.
Instant invention overcomes former Inductive ballast can not the phenomenon of light modulation separately, does not have particular/special requirement, can realize Linear voltage output, additionally can not increase power consumption, and keep higher power factor (PF) to the power supply of electrical network; And embodiment of the present invention is very convenient, only need controller access be needed in the circuit controlled, without the need to replacing original circuit structure, displacement etc.; This control mode is more convenient than traditional Regulation Control mode, greatly reduce human cost and improvement cost, the quick pressure regulation of real realization, stable output, many grades of voltages are selected, there is the monitoring in real time such as long-range current/voltage power energy consumption, the scope of application is extensive, circuit reliability is high, be applicable to pressure regulating energy-saving and need to carry out any field of Regulation Control, set several alternating voltages can be selected to export, and being applicable to multiple needs changes voltage, does not need the occasion of high-power power supply simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of Regulation Control device of the present invention.
Fig. 2 is the structural representation of drive circuit.
Fig. 3 is the schematic diagram of a kind of concrete enforcement structure of Regulation Control device of the present invention.
Embodiment
In order to more specifically describe the present invention, below in conjunction with the drawings and the specific embodiments, technical scheme of the present invention is described in detail.
As shown in Figure 1, the Regulation Control device of Inductive ballast of the present invention, comprising: autotransformer, single-chip microcomputer, relay circuit, drive circuit, accessory power supply and modulation-demodulation circuit; Wherein:
Autotransformer carries out electric pressure conversion to the alternating current of 220V on power line, the working volts alternating current of the different electric pressure of output multi-channel;
Drive circuit is connected with single-chip microcomputer, and it receives the drive singal produced from single-chip microcomputer, and carries out power amplification to control relay circuit to signal;
Relay circuit is connected with drive circuit and autotransformer, and it is controlled by drive circuit and exports the drive singal after amplifying, and the working volts alternating current of autotransformer output corresponding voltage grade and Inductive ballast are connected;
Modulation-demodulation circuit receives the remote carrier control signal of subscriber equipment transmission by power line, and demodulation is carried out to signal extract control command and by Serial Port Transmission to single-chip microcomputer, single-chip microcomputer exports corresponding drive singal according to control command, and then make Inductive ballast receive corresponding working volts alternating current by controlling relay circuit, realize the object of Long-distance Control pressure regulation;
Accessory power supply is connected with modulation-demodulation circuit, drive circuit and single-chip microcomputer, and it converts the alternating current of 220V on power line to low-voltage DC, thinks that modulation-demodulation circuit, drive circuit and single-chip microcomputer provide operating voltage.
As shown in Figure 3, present embodiment relay circuit is made up of 3 relays, and relay adopts SPDT relay, corresponding drive circuit Ye You tri-tunnel; As shown in Figure 2, present embodiment drive circuit comprises triode Q, a diode D and two resistance R
1~ R
2; Wherein, resistance R
1one end and resistance R
2one end and triode Q base stage be connected, resistance R
2the other end be connected with control unit, resistance R
1the other end to be connected with the emitter of triode Q and ground connection, the collector electrode of triode Q is connected with one end of diode D anode and corresponding relay coil, and diode D negative electrode is connected with the other end of corresponding relay coil and connects the operating voltage that accessory power supply provides.
In present embodiment, autotransformer exports the working volts alternating current of the different electric pressure (220V, 220V, 180V) in generation three tunnel; Wherein, the working volts alternating current of a termination 220V of relay A normally opened contact, the other end is connected with one end of relay B normally-closed contact; The working volts alternating current of one termination 200V of relay B normally opened contact, the other end is connected with one end of relay C normally-closed contact; The other end of relay B normally-closed contact is connected with Inductive ballast; The working volts alternating current of one termination 180V of relay C normally opened contact, the other end is connected with Inductive ballast; The other end of relay C normally-closed contact is connected with Inductive ballast.
Single-chip microcomputer carries out amplification sampling by amplifier circuit to the control command that modulation-demodulation circuit transmits, and exports corresponding drive singal by the I/O port of self to driver element; Single-chip microcomputer utilizes amplifier circuit harvester Zhong Ge road supply power voltage and electric current simultaneously, by modulation-demodulation circuit, these electric current and voltage information are modulated, and send to subscriber equipment with the form of carrier signal by power line, for the data message that user's remote inquiry is relevant, realize equipment energy consumption monitoring.
Accessory power supply converts the alternating current of 220V on power line to 5V, 12V and 18V tri-groups of low-voltage DCs; Wherein, 5V is supplied to single-chip microcomputer, and 12V is supplied to drive circuit, and 18V is supplied to modulation-demodulation circuit.
In present embodiment, user, by corresponding operation, issues the pressure regulation instruction needing electric pressure.Modulation-demodulation circuit receives remote control signal, and remote signal is converted to control command, by Serial Port Transmission in single-chip microcomputer.Single-chip microcomputer controls relay circuit by drive circuit, and concrete control mode is:
When in single-chip microcomputer, when terminals obtain high level by MCU plate, namely the logical value of terminals is 1; In like manner, when terminals obtain low level by MCU plate, the logical value of note terminals is 0.Then:
When the logical relation of shown three drive circuits is 100, drive circuit 1 terminals a is high level, and the base current of triode is very large, because the electric current of emitter-base bandgap grading and collector electrode is also very large; Now, the very low (V of the voltage drop between collector electrode and emitter-base bandgap grading
cEfor below 0.4V), its meaning is equivalent to complete conducting between collector electrode and emitter-base bandgap grading, and this state becomes the full conjunction state of triode, and namely now triode is in closure state as switch.Relay A obtains and electricly makes armature adhesive by electromagnetic induction, and the normal-closed end of relay disconnects, and Chang Kaiduan closes, i.e. the state turnover of relay A.And relay B, C be not owing to obtaining drive singal, therefore state is constant.Now, due to the upset of relay A condition, the input voltage in circuit is 220V, and namely voltage regulator output voltage is 220V, then the voltage outputted on external equipment is also 220V.
When the logical relation of shown three drive circuits is 110, triode (in drive circuit 1 and 2) is operated in full conjunction state, its meaning is equivalent to triode (in drive circuit 1 and 2) and is now all in closure state as switch, triode (in drive circuit 3) is operated in cut-off state, and its meaning is equivalent to triode (in drive circuit 3) and is now in off-state as switch.Thus relay A and B obtains and electricly make armature adhesive by electromagnetic induction, the normal-closed end of relay disconnects, and Chang Kaiduan closes, i.e. the state turnover of relay A and B.And relay C is not owing to obtaining drive singal, therefore state is constant.Now, due to the upset of relay A, B state, output voltage in circuit is 200V, namely the output voltage of Control autotransformer has been transformed into 200V output from 220V, the voltage then outputted on light fixture by P12/P13 is also 200V, and the supply power voltage now on equipment is adjusted to 200V.
When the logical relation of shown three drive circuits is 111, namely three terminals are also high level, triode (in drive circuit 1,2 and 3) is operated in full conjunction state, and its meaning is equivalent to triode (in drive circuit 1,2 and 3) and is now in closure state as switch.Thus relay obtains and electricly makes armature adhesive by electromagnetic induction, the normal-closed end of relay disconnects, and Chang Kaiduan closes, i.e. the state turnover of relay.Now, due to the upset of relay status, the output voltage conversion 180V in circuit, namely control autotransformer output voltage and be transformed into 180V output from 200V, then the supply power voltage outputting to equipment is adjusted to 180V.
Single-chip microcomputer carries out the collection of current/voltage by voltage transformer and current transformer simultaneously, digital independent is carried out by operational amplifier, achieve the reading of current/voltage, single-chip microcomputer inside calculates, calculate the parameter such as power, energy consumption, by serial ports, these data are sent to remote signal receipt decoding circuit, be transferred to user's hand-held terminal device by remote signal, achieve remote real-time monitoring.
Claims (9)
1. a Regulation Control device for Inductive ballast, is characterized in that, comprises autotransformer, control unit, relay unit, driver element and accessory power supply; Wherein:
Described autotransformer carries out electric pressure conversion to the alternating current of 220V on power line, exports the working volts alternating current of the different electric pressure in N road, N be greater than 1 natural number;
Described driver element is connected with control unit, and it receives the drive singal produced from control unit, and carries out power amplification to control described relay unit to signal;
Described relay unit is connected with driver element and autotransformer, and it is controlled by driver element and exports the drive singal after amplifying, and the working volts alternating current of autotransformer output corresponding voltage grade and Inductive ballast are connected;
Described accessory power supply is connected with driver element and control unit, and it converts the alternating current of 220V on power line to low-voltage DC, thinks that driver element and control unit provide operating voltage.
2. Regulation Control device according to claim 1, it is characterized in that: also comprise modulation-demodulation circuit, it receives the remote carrier control signal of subscriber equipment transmission by power line, and demodulation is carried out to signal extract control command and by Serial Port Transmission to control unit, control unit exports corresponding drive singal according to control command, and then by controlling relay unit, corresponding working volts alternating current is applied to Inductive ballast, realize the object of Long-distance Control pressure regulation.
3. Regulation Control device according to claim 1, is characterized in that: described relay unit is by N number of relay J
1~ J
ncomposition.
4. Regulation Control device according to claim 3, is characterized in that: described driver element comprises N number of drive circuit; Described drive circuit comprises triode Q, a diode D and two resistance R
1~ R
2; Wherein, resistance R
1one end and resistance R
2one end and triode Q base stage be connected, resistance R
2the other end be connected with control unit, resistance R
1the other end to be connected with the emitter of triode Q and ground connection, the collector electrode of triode Q is connected with one end of diode D anode and corresponding relay coil, and diode D negative electrode is connected with the other end of corresponding relay coil and connects the operating voltage that accessory power supply provides.
5. Regulation Control device according to claim 3, is characterized in that: described relay J
ione termination autotransformer of normally opened contact exports working volts alternating current, the other end and the relay J of corresponding voltage grade
i+1one end of normally-closed contact is connected; Relay J
i+1the other end of normally-closed contact is connected with Inductive ballast; Relay J
none termination autotransformer of normally opened contact exports the working volts alternating current of corresponding voltage grade, and the other end is connected with Inductive ballast, and i is natural number and 1≤i≤N-1.
6. Regulation Control device according to claim 1 and 2, is characterized in that: described control unit comprises single-chip microcomputer and amplifier circuit; Described single-chip microcomputer carries out amplification sampling by amplifier circuit to the control command that modulation-demodulation circuit transmits, and exports corresponding drive singal by the I/O port of self to driver element.
7. Regulation Control device according to claim 6, it is characterized in that: described single-chip microcomputer utilizes amplifier circuit harvester Zhong Ge road supply power voltage and electric current, by modulation-demodulation circuit, these electric current and voltage information are modulated, and send to subscriber equipment with the form of carrier signal by power line, for the data message that user's remote inquiry is relevant, realize equipment energy consumption monitoring.
8. Regulation Control device according to claim 2, is characterized in that: described modulation-demodulation circuit is connected with accessory power supply, and accessory power supply converts the alternating current of 220V on power line to 5V, 12V and 18V tri-groups of low-voltage DCs; Wherein, 5V is supplied to control unit, and 12V is supplied to driver element, and 18V is supplied to modulation-demodulation circuit.
9. Regulation Control device according to claim 3, is characterized in that: described relay J
1~ J
nadopt SPDT relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663340.2A CN104486897A (en) | 2014-11-19 | 2014-11-19 | Voltage regulation control device for inductive ballast |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663340.2A CN104486897A (en) | 2014-11-19 | 2014-11-19 | Voltage regulation control device for inductive ballast |
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| Publication Number | Publication Date |
|---|---|
| CN104486897A true CN104486897A (en) | 2015-04-01 |
Family
ID=52761382
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|---|---|---|---|
| CN201410663340.2A Pending CN104486897A (en) | 2014-11-19 | 2014-11-19 | Voltage regulation control device for inductive ballast |
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Cited By (2)
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| CN108054924A (en) * | 2017-12-13 | 2018-05-18 | 中冶南方工程技术有限公司 | A kind of small-power three-phase alternating voltage self-checking device |
| CN113070367A (en) * | 2021-04-15 | 2021-07-06 | 青岛百事福电器有限公司 | Vehicle body sunken recovery spot welding drawing set |
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Application publication date: 20150401 |