CN103635001A - LC inductance-capacitance ballast for high-voltage sodium lamp - Google Patents
LC inductance-capacitance ballast for high-voltage sodium lamp Download PDFInfo
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Abstract
The invention relates to an LC inductance-capacitance ballast for a high-voltage sodium lamp. The LC inductance-capacitance ballast comprises a capacitor (C) and a controller (DJ). The two ends of the capacitor (C) are connected with one path of series circuit including a capacitor (Ca) and a switch (Ka) at least; and the two ends of a high-voltage sodium lamp (NG) are at least connected in parallel with one path of circuit for switch (Ka) state conversion. According to the LC inductance-capacitance ballast, a technical defect that the existing LC inductance-capacitance ballast for the high-voltage sodium lamp influences the service life of the high-voltage sodium lamp can be effectively overcome, so that the provided LC inductance-capacitance ballast with multiple advantages has the real application value.
Description
Technical field
The present invention relates to a kind of gas discharge lamp ballast, more particularly, relate to the LC inductive-capacitive ballast that a kind of high-pressure sodium lamp is used.
Background technology
In road lighting, domestic more than 80% street lamp is high-pressure sodium lamp now, because high-pressure sodium lamp luminous efficiency is very high, reaches 120 lumens/watt, develops also comparative maturity, so high-pressure sodium lamp occupies absolute leading position in road lighting.And nearly 2 years LED attempt to replace low power high-pressure sodium lamp, from at present, the luminous efficiency of high-pressure sodium lamp can guarantee in 120 lumens/watt, but LED each side is done, relatively goodly could realize 100 lumens/watt, thus LED this in the replacement of high-pressure sodium lamp, do not possess advantage.
Development along with electric lighting technology, there is LC high-voltage sodium lamp ballast, this ballast have advantages of energy-conservation and good stabilized current characteristic and short circuit current little etc. many, because inductive-capacitive ballast has many good qualities, the technical staff of affiliated industry is always in research that he is deepened continuously.As < < China electric lighting > > the 8th phase in 2002 (two gaseous discharge lamps conjugation-type Inductive ballast); < < electric light source and lighting > > the 4th phase in 2003 (design of LC ballast); And Chinese patent patent publication No. CN201418192Y; Chinese patent patent publication No. CN201418193Y; Chinese patent patent publication No. CN201054852Y; Chinese patent patent publication No. CN201156837Y.Deng, these LC Energy-saving ballast technology meet the situation of current energy-saving and emission-reduction.Yet, there is an obvious shortcoming in LC high-voltage sodium lamp ballast, this is because the performance of high-pressure sodium lamp is different from other discharge lamp, high-pressure sodium lamp is in whole life period (1.2 ten thousand hours), modulating voltage is 90V left and right at baseline, during to end-of-life, modulating voltage can rise to 160V left and right, because the electric current of LC gas discharge lamp ballast system when modulating voltage rises is the trend that is rising, this characteristic, the gaseous discharge lamp little for lamp voltage change, does not all have impact to gaseous discharge lamp work and life-span.But because high-pressure sodium lamp is very large in the change in voltage of whole lifetime lamp, according to the characteristic of above-mentioned LC high-voltage sodium lamp ballast, the useful life of high-pressure sodium lamp will directly be affected.
Summary of the invention
Above-mentioned defect in view of prior art exists, the invention provides the LC inductive-capacitive ballast that a kind of high-pressure sodium lamp that can adapt to lamp voltage change is used.
In order to solve above-mentioned technological deficiency, the present invention takes following technical scheme: the LC inductive-capacitive ballast of a kind of high-pressure sodium lamp (NG) use, comprise Inductive ballast (L), capacitor (C), controller (DJ), it is characterized in that: the two ends of said capacitor (C) are at least connected to the series circuit of a routing capacitance (Ca) and switch (Ka).
The two ends of said high-pressure sodium lamp (NG) at least and be connected with the circuit of a way switch (Ka) state conversion.
The circuit of said switch (Ka) state conversion comprises the executive circuit of power supply circuits, sample circuit, drive signal circuit, drive circuit, state conversion.
The power supply circuits of said switch (Ka) state switching circuit comprise: capacitance decompression element (C1), resistance (R), rectifier cell (D1), (D2), voltage stabilizing element (W), filter element (C2), a termination contact (3) after described capacitance decompression unit (C1) is in parallel with resistance (R), the same rectifier cell of the other end (D1) negative pole is connected with (D2) anodal contact, (D1) positive pole connects power input (N) end, (D2) one end of the same voltage stabilizing element of negative pole (W) and the shunt circuit of filter element (C2) is connected, (W), (C2) (N) of another termination power input of shunt circuit end.
The sample circuit of said switch (Ka) state switching circuit comprises:
Unidirectional element (Da1), electric capacity (Ca1), resistance (Ra1), resistance (Ra2), resistance (Ra3), described unidirectional element (Da1), resistance (Ra1), resistance (Ra2), resistance (Ra3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (Da1) of electric capacity (Ca1) is connected with the tie point of resistance (Ra1), and the other end (Ca1) connects with (N) end of power supply input.
The drive signal circuit of said switch (Ka) state switching circuit comprises:
Integrated circuit (IC) chip (ICa) and electric capacity (Ca2), resistance (Ra4), the power input of described integrated circuit (IC) chip (ICa) connects the A point of described power supply circuits, (ICa) center tap terminal of trigger end connecting resistance (Ra3), output connecting resistance (Ra4), control end connects (N) end of power supply input by electric capacity (Ca2), common is connected with (N) end of power supply input.
The executive circuit of the drive circuit of said switch (Ka) state switching circuit, state conversion comprises:
Driving element transistor (GBa), state conversion executive component relay (Ja), unidirectional element (Da2), described transistor (GBa) base stage connecting resistance (Ra4), collector electrode is connected with the one end of relay (Ja), emitter is connected with (N) end of power supply input, the other end of relay (Ja) is connected with the A point of power supply circuits, and unidirectional element (Da2) is also connected in the two ends of relay (Ja).
At the two ends of node A1 and node A2 also and be connected with series circuit that series circuit, electric capacity (Cd) and switch (Kd) that series circuit, electric capacity (Cc), switch (Kc) that electric capacity (Cb) and switch (Kb) form form form and the series circuit of electric capacity (Ce) and switch (Ke) composition.
At the power supply circuits two ends of switch (Ka) state switching circuit (the N end of node A and power supply input) be connected with executive circuit, the switch (Kc) of drive signal circuit, drive circuit and the state conversion of switch (Kb)
Drive signal circuit, drive circuit and the executive circuit of state conversion, the executive circuit of the drive signal circuit of switch (Kd), drive circuit and state conversion, the executive circuit of the drive signal circuit of switch (Ke), drive circuit and state conversion.
At the two ends of high-pressure sodium lamp (NG) (the N end of node 3 and power supply input) go back and be connected with the conversion of driving switch (Kb) state sample circuit, the sample circuit of the sample circuit of driving switch (Kc) state conversion, the conversion of driving switch (Kd) state, the sample circuit that driving switch (Ke) state is changed.
The drive signal circuit of said switch (Kb) comprises circuit integrated circuit (IC) chip (ICb) and electric capacity (Cb2), resistance (Rb4), the power input of described integrated circuit (IC) chip (ICb) connects the A point of described power supply circuits, (ICb) center tap terminal of trigger end connecting resistance (Rb3), output connecting resistance (Rb4), control end connects (N) end of power supply input by electric capacity (Cb2), common is connected with (N) end of power supply input.
The executive circuit of the drive circuit of said switch (Kb) and state conversion comprises driving element transistor (GBb), state conversion executive component relay (Jb), unidirectional element (Db2), described transistor (GBb) base stage connecting resistance (Rb4), collector electrode is connected with the one end of relay (Jb), emitter is connected with (N) end of power supply input, the other end of relay (Jb) is connected with the A point of power supply circuits, and unidirectional element (Db2) is also connected in the two ends of relay (Jb).
The sample circuit of said driving switch (Kb) state conversion comprises unidirectional element (Db1), electric capacity (Cb1), resistance (Rb1), resistance (Rb2), resistance (Rb3), described unidirectional element (Db1), resistance (Rb1), resistance (Rb2), resistance (Rb3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (Db1) of electric capacity (Cb1) is connected with the tie point of resistance (Rb1), and the other end (Cb1) connects with (N) end of power supply input.
The drive signal circuit of said switch (Kc) comprises circuit integrated circuit (IC) chip (ICc) and electric capacity (Cc2), resistance (Rc4), the power input of described integrated circuit (IC) chip (ICc) connects the A point of described power supply circuits, (ICc) center tap terminal of trigger end connecting resistance (Rc3), output connecting resistance (Rc4), control end connects (N) end of power supply input by electric capacity (Cc2), common is connected with (N) end of power supply input.
The executive circuit of the drive circuit of said switch (Kc) and state conversion comprises driving element transistor (GBc), state conversion executive component relay (Jc), unidirectional element (Dc2), described transistor (GBc) base stage connecting resistance (Rc4), collector electrode is connected with the one end of relay (Jc), emitter is connected with (N) end of power supply input, the other end of relay (Jc) is connected with the A point of power supply circuits, and unidirectional element (Dc2) is also connected in the two ends of relay (Jc).
Normally-closed contact (Kc1b) binding place (2) of another group contact switch of said relay (Jc), normally opened contact (Kc1a) binding place (1), common port is connected with (A2).
The sample circuit of said driving switch (Kc) state conversion comprises unidirectional element (Dc1), electric capacity (Cc1), resistance (Rc1), resistance (Rc2), resistance (Rc3), described unidirectional element (Dc1), resistance (Rc1), resistance (Rc2), resistance (Rc3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (Dc1) of electric capacity (Cc1) is connected with the tie point of resistance (Rc1), and the other end (Cc1) connects with (N) end of power supply input.
The drive signal circuit of said switch (Kd) comprises circuit integrated circuit (IC) chip (ICd) and electric capacity (Cd2), resistance (Rd4), the power input of described integrated circuit (IC) chip (ICd) connects the A point of described power supply circuits, (ICd) center tap terminal of trigger end connecting resistance (Rd3), output connecting resistance (Rd4), control end connects (N) end of power supply input by electric capacity (Cd2), common is connected with (N) end of power supply input.
The executive circuit of the drive circuit of said switch (Kd) and state conversion comprises driving element transistor (GBd), state conversion executive component relay (Jd), unidirectional element (Dd2), described transistor (GBd) base stage connecting resistance (Rd4), collector electrode is connected with the one end of relay (Jd), emitter is connected with (N) end of power supply input, the other end of relay (Jd) is connected with the A point of power supply circuits, and unidirectional element (Dd2) is also connected in the two ends of relay (Jd).
The sample circuit of said driving switch (Kd) state conversion comprises unidirectional element (Dd1), electric capacity (Cd1), resistance (Rd1), resistance (Rd2), resistance (Rd3), described unidirectional element (Dd1), resistance (Rd1), resistance (Rd2), resistance (Rd3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (Dd1) of electric capacity (Cd1) is connected with the tie point of resistance (Rd1), and the other end (Cd1) connects with (N) end of power supply input.
The drive signal circuit of said switch (Ke) comprises circuit integrated circuit (IC) chip (Ice) and electric capacity (Ce2), resistance (Re4), the power input of described integrated circuit (IC) chip (ICe) connects the A point of described power supply circuits, (ICe) center tap terminal of trigger end connecting resistance (Re3), output connecting resistance (Re4), control end connects (N) end of power supply input by electric capacity (Ce2), common is connected with (N) end of power supply input.The executive circuit of the drive circuit of said switch (Ke) and state conversion comprises driving element transistor (Gbe), state conversion executive component relay (Je), unidirectional element (De2), described transistor (Gbe) base stage connecting resistance (Re4), collector electrode is connected with the one end of relay (Je), emitter is connected with (N) end of power supply input, the other end of relay (Je) is connected with the A point of power supply circuits, and unidirectional element (De2) is also connected in the two ends of relay (Je).
The sample circuit of said driving switch (Ke) state conversion comprises unidirectional element (De1), electric capacity (Ce1), resistance (Re1), resistance (Re2), resistance (Re3), described unidirectional element (De1), resistance (Re1), resistance (Re2), resistance (Re3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (De1) of electric capacity (Ce1) is connected with the tie point of resistance (Re1), and the other end (Ce1) connects with (N) end of power supply input.
The LC inductive-capacitive ballast that high-pressure sodium lamp of the present invention is used, its unique distinction is, life period at whole high-pressure sodium lamp, monitoring means have been adopted, the corresponding operating current of operating voltage of high-pressure sodium lamp is optimized, overcome the technological deficiency that LC inductive-capacitive ballast exists in the application of high-pressure sodium lamp, made to have the high-pressure sodium lamp LC inductive-capacitive ballast of lot of advantages, become the product with real using value.
Accompanying drawing explanation
Fig. 1 is the LC inductive-capacitive ballast circuit structure schematic diagram that high-pressure sodium lamp of the present invention is used.
Fig. 2 is the part circuit structure schematic diagram of the LC inductive-capacitive ballast used of high-pressure sodium lamp of the present invention.
Fig. 3 is the LC inductive-capacitive ballast local circuit structure principle chart that high-pressure sodium lamp of the present invention is used.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done further carefully to state.
Referring to accompanying drawing 1, Fig. 1 shows the electric capacity (Ca) of LC inductive-capacitive ballast of 250W high-pressure sodium lamp of the present invention (NG) use and the circuit of the series circuit of switch (Ka) and the conversion of switch (Ka) state.
There is shown the circuit of switch (Ka) state conversion, this circuit comprises the executive circuit of sample circuit, drive signal circuit, power supply circuits, drive circuit and state conversion.
The power supply circuits of the switch shown in figure (Ka) state switching circuit comprise: capacitance decompression element (C1), resistance (R), rectifier cell (D1), (D2), voltage stabilizing element (W), filter element (C2), a termination contact (3) after described capacitance decompression unit (C1) is in parallel with resistance (R), the same rectifier cell of the other end (D1) negative pole is connected with (D2) anodal contact, (D1) positive pole connects power input (N) end, (D2) one end of the same voltage stabilizing element of negative pole (W) and the shunt circuit of filter element (C2) is connected, (W), (C2) (N) of another termination power input of shunt circuit end.
The sample circuit of the switch shown in figure (Ka) state switching circuit comprises:
Unidirectional element (Da1), electric capacity (Ca1), resistance (Ra1), resistance (Ra2), resistance (Ra3), described unidirectional element (Da1), resistance (Ra1), resistance (Ra2), resistance (Ra3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (Da1) of electric capacity (Ca1) is connected with the tie point of resistance (Ra1), and the other end (Ca1) connects with (N) end of power supply input.
The drive signal circuit of the switch shown in figure (Ka) state switching circuit comprises:
Integrated circuit (IC) chip (ICa) and electric capacity (Ca2), resistance (Ra4), the power input of described integrated circuit (IC) chip (ICa) connects the A point of described power supply circuits, (ICa) center tap terminal of trigger end connecting resistance (Ra3), output connecting resistance (Ra4), control end connects (N) end of power supply input by electric capacity (Ca2), common is connected with (N) end of power supply input.
The executive circuit of the drive circuit of the switch shown in figure (Ka) state switching circuit, state conversion comprises:
Driving element transistor (GBa), state conversion executive component relay (Ja), unidirectional element (Da2), described transistor (GBa) base stage connecting resistance (Ra4), collector electrode is connected with the one end of relay (Ja), emitter is connected with (N) end of power supply input, the other end of relay (Ja) is connected with the A point of power supply circuits, and unidirectional element (Da2) is also connected in the two ends of relay (Ja).
After circuit switches on power, input voltage is added in (L) and (N) two ends, by relay (DJKb) normally-closed contact, Inductive ballast (L), the trigger (CD) that are arranged in controller (DJ), high-pressure sodium lamp (NG) is lighted.When modulating voltage reaches, approach rated value (startup complete after), the actuating of relay, (DJKb) is opened from normally closed often becoming, and (DJKa) from often opening, becomes normally closedly, and circuit conversion enters LC ballast.Total capacitance is (C)+(C1)+(Ca), (C1) for becoming power capacitor (prior art).
Time increase along with lamp work, modulating voltage rises, the sample circuit that is arranged on lamp two ends obtains the amount of lamp voltage change, this variable is added to the trigger end of the integrated circuit (IC) chip (ICa) of drive signal circuit, (ICa) be the Schmidt trigger that 555 timers form, 2, the input that 6 pin are trigger, 8 pin are positive source VC, 4 pin are forced resetting end MR, the present embodiment connects positive supply by 4 pin together with 8 pin, and 5 pin add control end, and the present embodiment connects control end (N) end of power supply input by electric capacity (Ca2), 3 pin are output, and 1 pin connects common.When the variable of modulating voltage reaches the threshold voltage TH of trigger, output 3 pin of (ICa) are 1, driving element transistor (GBa) base stage is high potential, (GBa) saturation conduction, relay (Ja) obtains electric adhesive, switch (Ka) action, from normally off, become normally open, make electric capacity (Ca) breaking circuit, circuital current reduces.
In the circuit of Fig. 1, electric capacity (Ca1) is filter capacitor, is (Da2) when relay (Ja) dead electricity, eliminates induced potential, protective transistor (GBa).
The drive circuit that the present embodiment is used considers that the efficiency that is conducive to improve ballast circuit arranges, if use SE555 can save drive circuit, because the output current of SE555 is 200mA, can directly drive relay (Ja), the Icc of SE555 is 15mA when Ucc=15V, therefore own loss has selected the negligible ICM7555 of own loss up to 0.225W the present embodiment, so used the drive circuit of transistor (GBa) as relay (Ja).
Fig. 2 shows the local circuit that the electric capacity of the LC inductive-capacitive ballast of 250W high-pressure sodium lamp of the present invention (NG) use is connected with switch.
Shown in figure at the two ends of node A1 and node A2 also and be connected with series circuit that series circuit, electric capacity (Cd) and switch (Kd) that series circuit, electric capacity (Cc), switch (Kc) that electric capacity (Cb) and switch (Kb) form form form and the series circuit of electric capacity (Ce) and switch (Ke) composition.The same Fig. 1 of local circuit structure, Fig. 3 shown in this figure are the actuator that the present invention can adapt to lamp voltage change together, and the work of stablizing lamp realizes by him.There is shown the series circuit that another four routing capacitances the series circuit forming except electric capacity (Ca) and switch (Ka) and switch form, is respectively the series circuit of series circuit, electric capacity (Ce) and switch (Ke) composition of series circuit, electric capacity (Cc) and switch (Kc) that electric capacity (Cb) and switch (Kb) the form series circuit, electric capacity (Cd) and switch (Kd) composition that form.Its operation principle is identical with Fig. 1.
Fig. 3 shows the local circuit that the electric capacity of the LC inductive-capacitive ballast of 250W high-pressure sodium lamp of the present invention (NG) use is connected with switch.
Shown in figure at the power supply circuits two ends of switch (Ka) state switching circuit (the N end of node A and power supply input) and be connected with switch (Kb) drive signal circuit, drive circuit and state conversion executive circuit, the executive circuit of the drive signal circuit of switch (Kc), drive circuit and state conversion, the executive circuit of the drive signal circuit of switch (Kd), drive circuit and state conversion, the executive circuit of the drive signal circuit of switch (Ke), drive circuit and state conversion.
Shown in figure at the two ends of high-pressure sodium lamp (NG) (the N end of node 3 and power supply input) go back and be connected with the conversion of driving switch (Kb) state sample circuit, the sample circuit of the sample circuit of driving switch (Kc) state conversion, the conversion of driving switch (Kd) state, the sample circuit that driving switch (Ke) state is changed.
The drive signal circuit of the switch shown in figure (Kb) comprises circuit integrated circuit (IC) chip (ICb) and electric capacity (Cb2), resistance (Rb4), the power input of described integrated circuit (IC) chip (ICb) connects the A point of described power supply circuits, (ICb) center tap terminal of trigger end connecting resistance (Rb3), output connecting resistance (Rb4), control end connects (N) end of power supply input by electric capacity (Cb2), common is connected with (N) end of power supply input.
The executive circuit of the drive circuit of the switch shown in figure (Kb) and state conversion comprises driving element transistor (GBb), state conversion executive component relay (Jb), unidirectional element (Db2), described transistor (GBb) base stage connecting resistance (Rb4), collector electrode is connected with the one end of relay (Jb), emitter is connected with (N) end of power supply input, the other end of relay (Jb) is connected with the A point of power supply circuits, and unidirectional element (Db2) is also connected in the two ends of relay (Jb).
The sample circuit of the driving switch shown in figure (Kb) state conversion comprises unidirectional element (Db1), electric capacity (Cb1), resistance (Rb1), resistance (Rb2), resistance (Rb3), described unidirectional element (Db1), resistance (Rb1), resistance (Rb2), resistance (Rb3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (Db1) of electric capacity (Cb1) is connected with the tie point of resistance (Rb1), and the other end (Cb1) connects with (N) end of power supply input.
The operation principle of foregoing circuit is basic identical with Fig. 1, and difference is that the trigger voltage value of (ICa) is different.
The drive signal circuit of the switch shown in figure (Kc) comprises circuit integrated circuit (IC) chip (ICc) and electric capacity (Cc2), resistance (Rc4), the power input of described integrated circuit (IC) chip (ICc) connects the A point of described power supply circuits, (ICc) center tap terminal of trigger end connecting resistance (Rc3), output connecting resistance (Rc4), control end connects (N) end of power supply input by electric capacity (Cc2), common is connected with (N) end of power supply input.
The executive circuit of the drive circuit of the switch shown in figure (Kc) and state conversion comprises driving element transistor (GBc), state conversion executive component relay (Jc), unidirectional element (Dc2), described transistor (GBc) base stage connecting resistance (Rc4), collector electrode is connected with the one end of relay (Jc), emitter is connected with (N) end of power supply input, the other end of relay (Jc) is connected with the A point of power supply circuits, and unidirectional element (Dc2) is also connected in the two ends of relay (Jc).
Normally-closed contact (Kc1b) binding place (2) of another group contact switch of the relay shown in figure (Jc), normally opened contact (Kc1a) binding place (1), common port is connected with (A2).
The sample circuit of the driving switch shown in figure (Kc) state conversion comprises unidirectional element (Dc1), electric capacity (Cc1), resistance (Rc1), resistance (Rc2), resistance (Rc3), described unidirectional element (Dc1), resistance (Rc1), resistance (Rc2), resistance (Rc3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (Dc1) of electric capacity (Cc1) is connected with the tie point of resistance (Rc1), and the other end (Cc1) connects with (N) end of power supply input.
The operation principle of foregoing circuit is basic identical with Fig. 1, and difference is that the trigger voltage value of (ICa) is different.
The drive signal circuit of the switch shown in figure (Kd) comprises circuit integrated circuit (IC) chip (ICd) and electric capacity (Cd2), resistance (Rd4), the power input of described integrated circuit (IC) chip (ICd) connects the A point of described power supply circuits, (ICd) center tap terminal of trigger end connecting resistance (Rd3), output connecting resistance (Rd4), control end connects (N) end of power supply input by electric capacity (Cd2), common is connected with (N) end of power supply input.
The executive circuit of the drive circuit of the switch shown in figure (Kd) and state conversion comprises driving element transistor (GBd), state conversion executive component relay (Jd), unidirectional element (Dd2), described transistor (GBd) base stage connecting resistance (Rd4), collector electrode is connected with the one end of relay (Jd), emitter is connected with (N) end of power supply input, the other end of relay (Jd) is connected with the A point of power supply circuits, and unidirectional element (Dd2) is also connected in the two ends of relay (Jd).
The sample circuit of the driving switch shown in figure (Kd) state conversion comprises unidirectional element (Dd1), electric capacity (Cd1), resistance (Rd1), resistance (Rd2), resistance (Rd3), described unidirectional element (Dd1), resistance (Rd1), resistance (Rd2), resistance (Rd3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (Dd1) of electric capacity (Cd1) is connected with the tie point of resistance (Rd1), and the other end (Cd1) connects with (N) end of power supply input.
The operation principle of foregoing circuit is basic identical with Fig. 1, and difference is that the trigger voltage value of (ICa) is different.
The drive signal circuit of the switch shown in figure (Ke) comprises circuit integrated circuit (IC) chip (Ice) and electric capacity (Ce2), resistance (Re4), the power input of described integrated circuit (IC) chip (ICe) connects the A point of described power supply circuits, (ICe) center tap terminal of trigger end connecting resistance (Re3), output connecting resistance (Re4), control end connects (N) end of power supply input by electric capacity (Ce2), common is connected with (N) end of power supply input.The executive circuit of the drive circuit of said switch (Ke) and state conversion comprises driving element transistor (Gbe), state conversion executive component relay (Je), unidirectional element (De2), described transistor (Gbe) base stage connecting resistance (Re4), collector electrode is connected with the one end of relay (Je), emitter is connected with (N) end of power supply input, the other end of relay (Je) is connected with the A point of power supply circuits, and unidirectional element (De2) is also connected in the two ends of relay (Je).
The sample circuit of the driving switch shown in figure (Ke) state conversion comprises unidirectional element (De1), electric capacity (Ce1), resistance (Re1), resistance (Re2), resistance (Re3), described unidirectional element (De1), resistance (Re1), resistance (Re2), resistance (Re3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (De1) of electric capacity (Ce1) is connected with the tie point of resistance (Re1), and the other end (Ce1) connects with (N) end of power supply input.
The operation principle of foregoing circuit is basic identical with Fig. 1, and difference is that the trigger voltage value of (ICa) is different.
In the circuit of Fig. 1 to Fig. 3, technical scheme of the present invention, the Current Control of high-pressure sodium lamp lamp system is divided into 5 shelves (control shelves determine as required), and modulating voltage starts to control 145V from 105V, makes lamp power when lamp voltage change, keep relative constant.
In technical scheme of the present invention, the choosing of the capacitance of capacitor (Ca), (Cb), (Cc3), (Cd), (Ce).In the embodiment of above-mentioned Fig. 1, (Ca) 7%～10% of the preferred LC ballast of capacitance series capacitance capacity, (Cb) capacitance also preferably 7%～10% of LC ballast series capacitance capacity, (Cc) choosing of capacitance is different from (Ca) and (Cb), after reason is relay (Jc) action, switch (Kc1a) and the conversion of state (Kc1b), the inductance value of Inductive ballast (L) is changed (inductance value increase), in capacitive circuit (LC inductive-capacitive ballast circuit is capacitive), inductance value increases circuital current and can increase, so, (Cc) capacitance also will increase (cut away more jumbo electric capacity and reach the object that reduces circuital current).12%～16% of the preferred LC ballast of the capacitance series capacitance capacity of embodiments of the invention (Cc).After relay (Jc) action, illustrate that modulating voltage is to be 130V left and right, so (Cd),, the choosing of capacitance of (Ce) should reduce, 3%～5% of the preferred LC ballast of the capacitance series capacitance capacity of the present embodiment (Cd), (Ce).
The LC inductive-capacitive ballast that high-pressure sodium lamp of the present invention is used, standard detection according to GB/T15042-2008, its current waveform is 1.57, ballast be adjusted into 98.8%, the output parameter of ballast (ballast adjust characteristic curve) is obviously better than standard rectifier (characteristic curve of the standard rectifier under rated voltage).
What the present invention enumerated is only preferred embodiments of the present invention, and all equivalent technologies conversion of doing under operation principle of the present invention and thinking are all considered as protection scope of the present invention.
Claims (5)
1. a LC inductive-capacitive ballast for high-pressure sodium lamp (NG) use, comprises Inductive ballast (L), capacitor (C), controller (DJ), it is characterized in that:
The two ends of said capacitor (C) are at least connected to the series circuit of a routing capacitance (Ca) and switch (Ka);
The two ends of said high-pressure sodium lamp (NG) at least and be connected with the circuit of a way switch (Ka) state conversion.
2. according to the LC inductive-capacitive ballast of the said high-pressure sodium lamp of claim 1 (NG) use, it is characterized in that: the circuit of said switch (Ka) state conversion comprises the executive circuit of power supply circuits, sample circuit, drive signal circuit, drive circuit, state conversion.
3. according to the LC inductive-capacitive ballast of the said high-pressure sodium lamp of claim 2 (NG) use, it is characterized in that: the power supply circuits of said switch (Ka) state switching circuit comprise: capacitance decompression element (C1), resistance (R), rectifier cell (D1), (D2), voltage stabilizing element (W), filter element (C2), a termination contact (3) after described capacitance decompression unit (C1) is in parallel with resistance (R), the same rectifier cell of the other end (D1) negative pole is connected with (D2) anodal contact, (D1) positive pole connects power input (N) end, (D2) one end of the same voltage stabilizing element of negative pole (W) and the shunt circuit of filter element (C2) is connected, (W), (C2) (N) of another termination power input of shunt circuit end,
The sample circuit of said switch (Ka) state switching circuit comprises:
Unidirectional element (Da1), electric capacity (Ca1), resistance (Ra1), resistance (Ra2), resistance (Ra3), described unidirectional element (Da1), resistance (Ra1), resistance (Ra2), resistance (Ra3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (Da1) of electric capacity (Ca1) is connected with the tie point of resistance (Ra1), and the other end (Ca1) connects with (N) end of power supply input;
The drive signal circuit of said switch (Ka) state switching circuit comprises: integrated circuit (IC) chip (ICa) and electric capacity (Ca2), resistance (Ra4), the power input of described integrated circuit (IC) chip (ICa) connects the A point of described power supply circuits, and take out at the center of trigger end connecting resistance (Ra3) (ICa)
Head end, output connecting resistance (Ra4), control end connects (N) end of power supply input by electric capacity (Ca2), and common is connected with (N) end of power supply input;
The executive circuit of the drive circuit of said switch (Ka) state switching circuit, state conversion comprises:
Driving element transistor (GBa), state conversion executive component relay (Ja), unidirectional element (Da2), described transistor (GBa) base stage connecting resistance (Ra4), collector electrode is connected with the one end of relay (Ja), emitter is connected with (N) end of power supply input, the other end of relay (Ja) is connected with the A point of power supply circuits, and unidirectional element (Da2) is also connected in the two ends of relay (Ja).
4. according to the LC inductive-capacitive ballast of the said high-pressure sodium lamp of claim 1 or 2 (NG) use, it is characterized in that: at the two ends of node A1 and node A2 also and be connected with series circuit that series circuit, electric capacity (Cd) and switch (Kd) that series circuit, electric capacity (Cc), switch (Kc) that electric capacity (Cb) and switch (Kb) form form form and the series circuit of electric capacity (Ce) and switch (Ke) composition;
At the power supply circuits two ends of switch (Ka) state switching circuit (the N end of node A and power supply input) and be connected with switch (Kb) drive signal circuit, drive circuit and state conversion executive circuit, the executive circuit of the drive signal circuit of switch (Kc), drive circuit and state conversion, the executive circuit of the drive signal circuit of switch (Kd), drive circuit and state conversion, the executive circuit of the drive signal circuit of switch (Ke), drive circuit and state conversion;
At the two ends of high-pressure sodium lamp (NG) (the N end of node 3 and power supply input) go back and be connected with the conversion of driving switch (Kb) state sample circuit, the sample circuit of the sample circuit of driving switch (Kc) state conversion, the conversion of driving switch (Kd) state, the sample circuit that driving switch (Ke) state is changed.
5. according to the LC inductive-capacitive ballast of the said high-pressure sodium lamp of claim 4 (NG) use, it is characterized in that: the drive signal circuit of said switch (Kb) comprises circuit integrated circuit (IC) chip (ICb) and electric capacity (Cb2), resistance (Rb4), the power input of described integrated circuit (IC) chip (ICb) connects the A point of described power supply circuits, (ICb) center tap terminal of trigger end connecting resistance (Rb3), output connecting resistance (Rb4)
Control end connects (N) end of power supply input by electric capacity (Cb2), common is connected with (N) end of power supply input;
The executive circuit of the drive circuit of said switch (Kb) and state conversion comprises driving element transistor (GBb), state conversion executive component relay (Jb), unidirectional element (Db2), described transistor (GBb) base stage connecting resistance (Rb4), collector electrode is connected with the one end of relay (Jb), emitter is connected with (N) end of power supply input, the other end of relay (Jb) is connected with the A point of power supply circuits, and unidirectional element (Db2) is also connected in the two ends of relay (Jb);
The sample circuit of said driving switch (Kb) state conversion comprises unidirectional element (Db1), electric capacity (Cb1), resistance (Rb1), resistance (Rb2), resistance (Rb3), described unidirectional element (Db1), resistance (Rb1), resistance (Rb2), resistance (Rb3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (Db1) of electric capacity (Cb1) is connected with the tie point of resistance (Rb1), and the other end (Cb1) connects with (N) end of power supply input;
The drive signal circuit of said switch (Kc) comprises circuit integrated circuit (IC) chip (ICc) and electric capacity (Cc2), resistance (Rc4), the power input of described integrated circuit (IC) chip (ICc) connects the A point of described power supply circuits, (ICc) center tap terminal of trigger end connecting resistance (Rc3), output connecting resistance (Rc4), control end connects (N) end of power supply input by electric capacity (Cc2), common is connected with (N) end of power supply input;
The executive circuit of the drive circuit of said switch (Kc) and state conversion comprises driving element transistor (GBc), state conversion executive component relay (Jc), unidirectional element (Dc2), described transistor (GBc) base stage connecting resistance (Rc4), collector electrode is connected with the one end of relay (Jc), emitter is connected with (N) end of power supply input, the other end of relay (Jc) is connected with the A point of power supply circuits, and unidirectional element (Dc2) is also connected in the two ends of relay (Jc);
Normally-closed contact (Kc1b) binding place (2) of another group contact switch of said relay (Jc), normally opened contact (Kc1a) binding place (1), common port is connected with (A2); The sample circuit of said driving switch (Kc) state conversion comprise unidirectional element (Dc1), electric capacity (Cc1),
Resistance (Rc1), resistance (Rc2), resistance (Rc3), described unidirectional element (Dc1), resistance (Rc1), resistance (Rc2), resistance (Rc3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (Dc1) of electric capacity (Cc1) is connected with the tie point of resistance (Rc1), and the other end (Cc1) connects with (N) end of power supply input;
The drive signal circuit of said switch (Kd) comprises circuit integrated circuit (IC) chip (ICd) and electric capacity (Cd2), resistance (Rd4), the power input of described integrated circuit (IC) chip (ICd) connects the A point of described power supply circuits, (ICd) center tap terminal of trigger end connecting resistance (Rd3), output connecting resistance (Rd4), control end connects (N) end of power supply input by electric capacity (Cd2), common is connected with (N) end of power supply input;
The executive circuit of the drive circuit of said switch (Kd) and state conversion comprises driving element transistor (GBd), state conversion executive component relay (Jd), unidirectional element (Dd2), described transistor (GBd) base stage connecting resistance (Rd4), collector electrode is connected with the one end of relay (Jd), emitter is connected with (N) end of power supply input, the other end of relay (Jd) is connected with the A point of power supply circuits, and unidirectional element (Dd2) is also connected in the two ends of relay (Jd);
The sample circuit of said driving switch (Kd) state conversion comprises unidirectional element (Dd1), electric capacity (Cd1), resistance (Rd1), resistance (Rd2), resistance (Rd3), described unidirectional element (Dd1), resistance (Rd1), resistance (Rd2), resistance (Rd3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (Dd1) of electric capacity (Cd1) is connected with the tie point of resistance (Rd1), and the other end (Cd1) connects with (N) end of power supply input;
The drive signal circuit of said switch (Ke) comprises circuit integrated circuit (IC) chip (Ice) and electric capacity (Ce2), resistance (Re4), the power input of described integrated circuit (IC) chip (ICe) connects the A point of described power supply circuits, (ICe) center tap terminal of trigger end connecting resistance (Re3), output connecting resistance (Re4), control end connects (N) end of power supply input by electric capacity (Ce2), common is connected with (N) end of power supply input;
The executive circuit of the drive circuit of said switch (Ke) and state conversion comprises driving element transistor (Gbe), state conversion executive component relay (Je), unidirectional element (De2), described transistor (Gbe) base stage connecting resistance (Re4), collector electrode is connected with the one end of relay (Je), emitter is connected with (N) end of power supply input, the other end of relay (Je) is connected with the A point of power supply circuits, and unidirectional element (De2) is also connected in the two ends of relay (Je);
The sample circuit of said driving switch (Ke) state conversion comprises unidirectional element (De1), electric capacity (Ce1), resistance (Re1), resistance (Re2), resistance (Re3), described unidirectional element (De1), resistance (Re1), resistance (Re2), resistance (Re3) are connected with node (3) the rear one end of series connection mutually, the other end is connected with (N) end of power supply input, the negative pole of the same unidirectional element in one end (De1) of electric capacity (Ce1) is connected with the tie point of resistance (Re1), and the other end (Ce1) connects with (N) end of power supply input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210307694.4A CN103635001B (en) | 2012-08-27 | 2012-08-27 | A kind of LC inductive-capacitive ballasts of high-pressure mercury lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210307694.4A CN103635001B (en) | 2012-08-27 | 2012-08-27 | A kind of LC inductive-capacitive ballasts of high-pressure mercury lamp |
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| CN103635001A true CN103635001A (en) | 2014-03-12 |
| CN103635001B CN103635001B (en) | 2018-01-09 |
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| CN201210307694.4A Expired - Fee Related CN103635001B (en) | 2012-08-27 | 2012-08-27 | A kind of LC inductive-capacitive ballasts of high-pressure mercury lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105282923A (en) * | 2014-11-24 | 2016-01-27 | 李顺华 | Driving power supply of ballasting LED lamp and provided with variable power energy saving function |
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| US5303140A (en) * | 1990-01-31 | 1994-04-12 | Toshiba Lighting & Technology Corporation | Power source circuit |
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| CN103635001B (en) | 2018-01-09 |
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