CN201888003U - Power supply module - Google Patents
Power supply module Download PDFInfo
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- CN201888003U CN201888003U CN2010205623504U CN201020562350U CN201888003U CN 201888003 U CN201888003 U CN 201888003U CN 2010205623504 U CN2010205623504 U CN 2010205623504U CN 201020562350 U CN201020562350 U CN 201020562350U CN 201888003 U CN201888003 U CN 201888003U
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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
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- 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 power supply module, which comprises a power supply circuit installed in a shell. The power supply module is characterized in that the power supply module additionally comprises a filament power supply circuit, an anode high-voltage circuit and an auxiliary control circuit, wherein the filament power supply circuit comprises a first control and drive circuit, a first voltage and current feedback circuit, a soft start circuit and a rectifier filter circuit; the anode high-voltage circuit comprises a second control and drive circuit, a second voltage and current feedback circuit, a tube flow status decision circuit and a glow starter circuit; and the auxiliary control circuit is respectively connected with the filament power supply circuit and the anode high-voltage circuit, and comprises a start-stop control and reference circuit and a consumption reduction and status display circuit. The entire power supply module has start-stop control and status detection functions, the filament power supply circuit has a soft start function after startup and a consumption reduction function after start, the temperature drift is small, the long-term stability is high, the overall structure is compact, the weight is light and the power supply module is convenient to install.
Description
Technical field
The utility model relates to a kind of power module, especially a kind of 2.5V/A Power supply for deuterium lamp module that is widely used in the multiple biochemical analysis testers such as spectrophotometer, electrophoresis apparatus, analyzer, blood test.
Background technology
In the present Power supply for deuterium lamp product, the control section great majority adopt the pulse-width modulation PWM mode to regulate, control each several part output, but this control mode is only for working under the less situation of the dynamic range of dead load or load, and in the deuterium lamp course of work, heater current as when consumption reduction behind heater current before the starter and the starter differs greatly, and this control mode can reduce the conversion efficiency of power supply greatly, and machine loss is increased, volume increases, long term operation stability and reliability variation.
The utility model content
It is reasonable that the purpose of this utility model provides a kind of circuit design, reliability and the high Power supply for deuterium lamp module of stability.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of power module comprises the power circuit that is installed in the housing, wherein, comprising:
The filament power supply circuits comprise first control and drive circuit, first voltage and current feedback circuit, soft starting circuit and current rectifying and wave filtering circuit;
The anode high voltage circuit comprises second control and drive circuit, second voltage and current feedback circuit, pipe stream mode decision circuit and starting circuit; And,
Auxiliary control circuit is connected with described filament power supply circuits, described anode high voltage circuit respectively, comprises start and stop control and reference circuit, consumption reduction control and status display circuit.
Above-mentioned power module, wherein,
The one termination power supply input 24V+ of the inductance L 1 in described first control and the drive circuit, the other end connects capacitor C 3 positive poles respectively, 1 end of one end of capacitor C 5 and transformer TRF primary coil Lp, the minus earth of capacitor C 3, the end of the other end connecting resistance R6 of capacitor C 5,2 ends of the other end of R6 and transformer TRF primary coil Lp link to each other and connect the drain electrode of triode T1, the grid of triode T1 is the end of connecting resistance R4 respectively, one end of the positive pole of diode D2 and resistance R 5, the other end of resistance R 5 links to each other with the source electrode of triode T1 and ground connection, the other end of resistance R 4 links to each other with the negative pole of diode D2 and connects 3 pin of control chip U1,4 pin of control chip U1 link to each other with 8 pin and the end of connecting resistance R3 respectively, the positive pole of capacitor C 4, the negative pole of diode D1, one end of resistance R 1 and in-line power end Vcc, the positive pole of the negative pole of capacitor C 4 and diode D1 links to each other and ground connection, the other end of resistance R 3 receives the control input voltage vin, the end of the other end connecting resistance R2 of resistance R 1 and 7 pin of control chip U1, the other end of resistance R 2 connects 2 pin and 6 pin of control chip U1 respectively, one end of capacitor C 1, the other end ground connection of capacitor C 1,5 pin of control chip U1 meet an end and the tie point 1U1-5 of capacitor C 2, the other end ground connection of capacitor C 2, the 1 pin ground connection of control chip U1;
Resistance R 16 in described first voltage and the current feedback circuit is in parallel with capacitor C 13, one end ground connection, 5 pin of another termination amplifier U2B, 6 pin of amplifier U2B are the end of connecting resistance R15 respectively, one end of resistance R 17 and an end of capacitor C 12, another termination time-delay reference edge 5Vs of resistance R 17,7 pin of another termination amplifier U2B of capacitor C 12 and an end of resistance R 14, the other end of resistance R 14 connects the base stage of triode T2 respectively, one end of resistance R 13 and capacitor C 14, the other end of resistance R 13 and capacitor C 14 links to each other with the emitter of triode T2 and ground connection, the 3 pin difference connecting resistance R9 of amplifier U2A and an end of resistance R 12, one end of capacitor C 11 and the collector electrode of triode T2, another termination time-delay reference edge 5Vs of resistance R 12, the other end ground connection of capacitor C 11, the end of variable resistor VR1 links to each other with the other end of resistance R 9, the other end ground connection of variable resistor VR1,2 pin of amplifier U2A are the end of connecting resistance R11 respectively, one end of resistance R 8 and capacitor C 10, one end of resistance R 10 and capacitor C 9, the other end ground connection of resistance R 11, the other end of resistance R 8 and capacitor C 10 links to each other and connects 1 pin of amplifier U2A, 1 pin of one termination amplifier U2A of resistance R 7,5 pin of control chip U1 in described first control of another termination of resistance R 7 and the drive circuit, resistance R 10 links to each other with the other end of capacitor C 9, and 8 pin of amplifier U2A meet in-line power end Vcc, 4 pin ground connection;
1 pin of amplifier U3A in the described soft starting circuit links to each other with 2 pin and difference connecting resistance R21, capacitor C 16, one end of resistance R 22 and time-delay reference edge 5Vs, the other end of resistance R 21 and capacitor C 16 links to each other and ground connection, 6 pin of another termination amplifier U3B of resistance R 22,3 pin of amplifier U3A are the end of connecting resistance R19 respectively, the positive pole of capacitor C 15, the positive pole of diode D3 and D4, the minus earth of capacitor C 15, the negative pole of the other end of resistance R 19 and diode D3 links to each other and meets in-line power end Vcc, the negative pole of diode D4 connects 7 pin of amplifier U3B, the 5 pin connecting resistance R20 of amplifier U3B and an end of capacitor C 17, the other end ground connection of capacitor C 17, another termination benchmark section Vref of resistance R 20,8 pin of amplifier U3A meet in-line power end Vcc, 4 pin ground connection;
3 ends of transformer TRF secondary coil Ls in the described current rectifying and wave filtering circuit connect the positive pole of capacitor C 6 and an end of inductance L 2 by meeting diode D5, the other end of inductance L 2 connects the positive pole of capacitor C 7 respectively, one end of capacitor C 8, one end of resistance R 23 and filament output plus terminal Vf+, the other end of the resistance R 10 in voltage and the current feedback circuit, 4 ends of transformer TRF secondary coil Ls connect the negative pole of capacitor C 6 and C7 respectively, the other end of capacitor C 8 and resistance R 23, the other end of resistance R 15 in one end of resistance R 18 and described first voltage and the current feedback circuit, the other end ground connection of resistance R 18 and filament output negative terminal Vf-.
Above-mentioned power module, wherein,
The one termination power supply input 24V+ of the inductance L 1 in described second control and the drive circuit, the other end connects capacitor C 3 positive poles respectively, one end of capacitor C 6 and resistance R 6,1 end of transformer TRF primary coil Lp, the minus earth of capacitor C 3, capacitor C 6 links to each other with the other end of resistance R 6 and connects the negative pole of diode D3, the positive pole of diode D3 links to each other with 2 ends of transformer TRF primary coil Lp and connects the drain electrode of triode T1, the grid difference connecting resistance R4 of triode T1 and an end of resistance R 5, one end of capacitor C 5 and the positive pole of diode D2, the other end of resistance R 5 and capacitor C 5 links to each other with the source electrode of triode T1 and ground connection, the other end of resistance R 4 links to each other with the negative pole of diode D2 and connects 3 pin of control chip U1,4 pin of control chip U1 link to each other with 8 pin and the end of connecting resistance R3 and R1 respectively, the positive pole of capacitor C 4, the negative pole of diode D1 is also drawn as in-line power end Vcc, the positive pole of the negative pole of capacitor C 4 and diode D1 links to each other and ground connection, the other end of resistance R 3 receives the control input voltage vin, the end of the other end connecting resistance R2 of resistance R 1 and 7 pin of control chip U1, the other end of resistance R 2 connects 2 pin and 6 pin of control chip U1 respectively, one end of capacitor C 1, the other end ground connection of capacitor C 1,5 pin of control chip U1 connect an end of capacitor C 2, the other end ground connection of capacitor C 2, the 1 pin ground connection of control chip U1;
The 3 pin difference connecting resistance R9 of amplifier U2A in the voltage feedback circuit in described second voltage and the current feedback circuit and an end of R10 and capacitor C 8, another termination reference edge Vref of resistance R 9, the other end of resistance R 10 and capacitor C 8 links to each other and ground connection, the 2 pin difference connecting resistance R11 of amplifier U2A and an end of resistance R 12 and resistance R 8 and capacitor C 7, the other end ground connection of resistance R 11, the other end of resistance R 12 and capacitor C 7 links to each other and connects 1 pin of amplifier U2A, the end of the other end connecting resistance R7 of resistance R 8, one end of resistance R 13 connects 1 pin of amplifier U2A and the negative pole of diode D4 respectively, the positive pole of the other end of resistance R 13 and diode D4 links to each other and connects 5 pin of control chip U1 in described second control and the drive circuit, and 8 pin of amplifier U2A meet in-line power end Vcc, 4 pin ground connection; The 6 pin connecting resistance R17 of amplifier U2B in the current feedback circuit in described second voltage and the current feedback circuit and an end of capacitor C 9, resistance R 17 other end ground connection, 7 pin of another termination amplifier U2B of capacitor C 9, one end of resistance R 18 links to each other with diode D5 negative pole and connects 7 pin of amplifier U2B, the other end of resistance R 18 and the anodal base stage that links to each other and meet triode T2 of diode D5, the grounded collector of triode T2, the end of emitter connecting resistance R14, the positive pole of D4 in the described voltage feedback circuit of another termination of resistance R 14,5 pin of control chip U1 in described second control and the drive circuit, the 5 pin difference connecting resistance R15 of amplifier U2B and an end of resistance R 16 and variable resistor VR1 and capacitor C 10, the negative pole of diode D6, the positive pole of diode D6 links to each other with the other end of resistance R 16 and capacitor C 10 and ground connection, the other end of variable resistor VR1 with meet reference edge Vref after resistance R 19 is connected;
The 3 pin connecting resistance R32 of amplifier U3A in the described pipe stream mode decision circuit and the end of R29, resistance R 32 other end ground connection, 1 pin of another termination amplifier U3A of resistance R 29 and an end of resistance R 28, the other end of resistance R 28 is contact I-ok in succession, the 2 pin connecting resistance R30 of amplifier U3A and the end of R31, another termination reference edge Vref of resistance R 30,8 pin of amplifier U3A connect in-line power end Vcc, 4 pin ground connection;
3 ends of transformer TRF secondary coil Ls in the described starting circuit connect the positive pole of diode D7 and an end of capacitor C 16 respectively, the negative pole of diode D7 connects the positive pole of capacitor C 12 respectively, one end of capacitor C 11 and inductance L 2, the other end of inductance L 2 connects the positive pole of capacitor C 14 respectively, one end of capacitor C 13 and resistance R 21, the other end of resistance R 7 in the positive pole of diode D8 and the described voltage feedback circuit, capacitor C 12, the negative pole of capacitor C 14 and capacitor C 11, the other end of capacitor C 13 links to each other and connects 4 ends of transformer TRF secondary coil Ls, resistance R 21 is by resistance R 22, resistance R 23 respectively with an end of resistance R 20 and capacitor C 20, in the described current feedback circuit in the other end of resistance R 15 and the described pipe stream mode decision circuit other end of resistance R 31 link to each other and connect 4 ends of transformer TRF secondary coil Ls, the other end of resistance R 20 and capacitor C 20 links to each other and connects output negative terminal OUT-and ground, the other end of capacitor C 16 connects an end of capacitor C 18 respectively, the positive pole of the negative pole of diode D9 and diode D10, the other end of capacitor C 18 connects the negative pole of diode D11 and the positive pole of diode D12 respectively, capacitor C 17, one end of capacitor C 15 links to each other with the positive pole of diode D9 and connects 4 ends of transformer TRF secondary coil Ls, the other end of capacitor C 17 connects an end of capacitor C 19 respectively, the positive pole of the negative pole of diode D10 and diode D11, the end of the other end difference connecting resistance R27 of capacitor C 19 and the negative pole of diode D12, the other end of resistance R 27 connects the positive pole of diode D13 and the other end of capacitor C 15 respectively, and the negative pole of diode D13 and diode D8 links to each other and passes through resistance R 24, resistance R 25, resistance R 26 meets high-voltage output end OUT+;
Above-mentioned power module, wherein,
The emitter of triode T1 in described start and stop control and the reference circuit links to each other with an end of resistance R 4 and meets power supply input 24V+, the other end of resistance R 4 connects an end of base stage and the resistance R 5 of triode T1 respectively, the collector electrode of another termination triode T2 of resistance R 5, the one end difference connecting resistance R7 of resistance R 6 and an end of capacitor C 3, the base stage of triode T2, the other end of resistance R 7 and capacitor C 3 link to each other and connect triode T2 emitter and ground, the outside start and stop control signal of another termination R/S of resistance R 6, the collector electrode of triode T1 links to each other with an end of resistance R 3 and accepts control input voltage tie point Vin, the other end difference connecting resistance R1 of resistance R 3 and an end of capacitor C 2, the positive pole of capacitor C 1, the negative electrode of a reference source U2 and benchmark output Vref, the other end of resistance R 1 is the end of connecting resistance R2 respectively, the control utmost point of the other end of capacitor C 2 and a reference source U2, the negative pole of capacitor C 1 links to each other and ground connection with the other end of resistance R 2 and the anode of a reference source U2;
1 pin of amplifier U1A in described consumption reduction control and the status display circuit is by resistance R 10 sending and receiving optical diode LD1 positive poles, diode LD1 minus earth, the 2 pin difference connecting resistance R8 of amplifier U1A and an end of resistance R 9, the other end of resistance R 8 receives 8 pin of control input voltage vin and amplifier U1A, the 3 pin connecting resistance R11 of amplifier U1A and an end of capacitor C 4, capacitor C 4 links to each other with the other end of resistance R 9 and ground connection, the other end of resistance R 11 connects the negative pole of diode D1 respectively, one end of resistance R 12 and resistance R 13, pipe stream mode test side Iaok, the other end of the positive pole of diode D1 and resistance R 13 links to each other and ground connection, the other end connecting resistance R17 of resistance R 12 and an end of resistance R 21, the other end of resistance R 17 connects an end of base stage and the resistance R 18 of triode T3 respectively, the other end of the emitter of triode T3 and resistance R 18 links to each other and ground connection, the collector electrode of triode T3 is by resistance R 19 sending and receiving optical diode LD2 negative poles, the anodal control input voltage vin that receives of light-emitting diode LD2, the other end difference connecting resistance R20 of resistance R 21 and an end of capacitor C 5, the base stage of triode T4, the other end of resistance R 20 and capacitor C 5 links to each other with the emitter of triode T4 and ground connection, 2 of the collector electrode of triode T4 and toggle switch S1,3,4 pin link to each other, 5 of toggle switch S1,6,7 pin are the end of connecting resistance R16 respectively, one end of resistance R 15, one end of resistance R 14, the resistance R 16 splice connection point 1U1-5 that links to each other with the other end of resistance R 15 and resistance R 14.
Above-mentioned power module, wherein, described power module is a 2.5V/A Power supply for deuterium lamp module.
Complete machine of the present utility model has start and stop control and status detection function, filament power supply have the soft start after the start and start after the consumption reduction function, temperature is floated little, long-time stability are good, and compact overall structure, weight is lighter, is convenient to install.
Description of drawings
Fig. 1 is that the circuit of the utility model power module connects block diagram;
Fig. 2 is the filament power supply circuits schematic diagram of the utility model power module;
Fig. 3 is the anode high voltage circuit theory diagrams of the utility model power module;
Fig. 4 is the auxiliary control circuit schematic diagram of the utility model power module.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as qualification of the present utility model.
Please referring to Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the utility model power module comprises power circuit, power circuit mainly comprises filament power supply circuits, anode high voltage circuit and auxiliary control circuit, filament power supply circuits, anode high voltage circuit are connected with the deuterium lamp load respectively, and auxiliary control circuit is connected with the filament power supply circuits with the anode high voltage circuit respectively.The filament power supply circuits comprise control and drive circuit, first voltage and current feedback circuit, soft starting circuit and current rectifying and wave filtering circuit, the anode high voltage circuit comprises second control and drive circuit, second voltage and current feedback circuit, pipe stream mode decision circuit and starting circuit, and auxiliary control circuit comprises start and stop control and reference circuit, consumption reduction control and status display circuit.
The control section of the filament of the utility model power module and anode starter all adopts frequency modulation, transfers wide control mode, and the sort circuit response time is fast, and is under bigger load dynamic range, very little to the conversion efficiency influence.Increased heater current consumption reduction and soft start function, after the deuterium lamp operate as normal, ratio reduces heater current, to prolong the useful life of deuterium lamp.Filament power supply, the integrated design of starter high pressure, complete machine adopts metal shell, and with frame ground, good electromagnetic shielding action is arranged, and improves the antijamming capability of power supply.
Operation principle: the filament power pack as shown in Figure 2, form oscillating circuit by control chip U1 and R1, R2, C1 etc., oscillator signal comes driving transformer TRF by control T1 tube grid, the high frequency ac signal that produces, by transformer coupled secondary to it, behind the current rectifying and wave filtering circuit that the alternating voltage that produces on the secondary coil Ls is formed by D5, C6, C7, C8 and L2 etc., as filament power supply output.On the one hand, from the heater current sampled signal that resistance R 18 is obtained,, and, control the set-point of filament voltage, i.e. the in-phase end of amplifier U2A by amplifier U2B output through the level shift of R15, R17 and 5Vs; On the other hand, from the filament voltage sampled signal that the voltage sampling circuit of being made up of C9, R9, R11 obtains, be added to the end of oppisite phase of amplifier U2A.So two aspect effects form negative feedback by amplifier U2A and control circuit, and then reach the purpose of regulating and stablizing heater current.Soft starting circuit by amplifier U3A and U3B etc. form is processed into the slow benchmark 5Vs that rises with former given benchmark Vref, thus the effectively variation of control start back heater current.
The anode high voltage part as shown in Figure 3, by control chip U1 and R1, R2, C1 etc. form oscillating circuit, oscillator signal comes driving transformer TRF by control T1 tube grid, the high frequency ac signal that produces is by transformer coupled secondary to it, the alternating voltage that on secondary coil Ls, produces, lead up to D7, C11, C12, C13, behind the current rectifying and wave filtering circuit that C14 and L2 etc. form, behind D8, export again as operating voltage, four voltage doubling rectifing circuits of another road by forming by C16-C19 and D9-D12, after R27 and C15 filtering, export as starting voltage through D13 again, so export as anode high voltage after the two aspect effects.Pipe stream sampled signal from R20 and C20 acquisition, lead up to the pipe stream mode decision circuit of forming by amplifier U3A, R30, R31, Vref etc., efferent duct stream mode value is given the assist control part, another road is by being made of current feedback circuit amplifier U2B etc., form Current Negative Three-Point Capacitance with control Driver Circuit etc., and then reach the purpose of regulating and stablizing tube current.In addition, the plumber who obtains from the voltage sampling circuit of being made up of R7, R8, R11 makes the voltage feedback circuit of voltage sampling signal by being made up of amplifier U2A, R9, R10, Vref etc., also with the control of coming together, adjusting anode working voltage such as control Driver Circuit.
The assist control part as shown in Figure 4, when start stop signal R/S is effective, T1 manages conducting, the externally fed input is managed by T1, for the control section of each circuit provides input voltage, simultaneously, by the reference circuit of forming by a reference source U2, R1, R2, R3, C1 etc., provide reference voltage output to each circuit.The pipe stream mode value I-ok that partly comes from anode high voltage, lead up to after the amplitude limiting processing of R12, D1, export as tube current state-detection end Iaok, and the driving by amplifier U1A, light relay indicating light LD1, another road, one drives by the T3 pipe and lights consumption reduction indicator light LD2, it two is settings by control T4 tubulose attitude and toggle switch S1, goes to control, change the size of heater current after the deuterium lamp operate as normal, thereby reaches the purpose of heater current consumption reduction.
Claims (5)
1. a power module comprises the power circuit that is installed in the housing, it is characterized in that, comprising:
The filament power supply circuits comprise first control and drive circuit, first voltage and current feedback circuit, soft starting circuit and current rectifying and wave filtering circuit;
The anode high voltage circuit comprises second control and drive circuit, second voltage and current feedback circuit, pipe stream mode decision circuit and starting circuit; And,
Auxiliary control circuit is connected with described filament power supply circuits, described anode high voltage circuit respectively, comprises start and stop control and reference circuit, consumption reduction control and status display circuit.
2. power module according to claim 1 is characterized in that:
The one termination power supply input 24V+ of the inductance L 1 in described first control and the drive circuit, the other end connects capacitor C 3 positive poles respectively, 1 end of one end of capacitor C 5 and transformer TRF primary coil Lp, the minus earth of capacitor C 3, the end of the other end connecting resistance R6 of capacitor C 5,2 ends of the other end of R6 and transformer TRF primary coil Lp link to each other and connect the drain electrode of triode T1, the grid of triode T1 is the end of connecting resistance R4 respectively, one end of the positive pole of diode D2 and resistance R 5, the other end of resistance R 5 links to each other with the source electrode of triode T1 and ground connection, the other end of resistance R 4 links to each other with the negative pole of diode D2 and connects 3 pin of control chip U1,4 pin of control chip U1 link to each other with 8 pin and the end of connecting resistance R3 respectively, the positive pole of capacitor C 4, the negative pole of diode D1, one end of resistance R 1 and in-line power end Vcc, the positive pole of the negative pole of capacitor C 4 and diode D1 links to each other and ground connection, the other end of resistance R 3 receives the control input voltage vin, the end of the other end connecting resistance R2 of resistance R 1 and 7 pin of control chip U1, the other end of resistance R 2 connects 2 pin and 6 pin of control chip U1 respectively, one end of capacitor C 1, the other end ground connection of capacitor C 1,5 pin of control chip U1 meet an end and the tie point 1U1-5 of capacitor C 2, the other end ground connection of capacitor C 2, the 1 pin ground connection of control chip U1;
Resistance R 16 in described first voltage and the current feedback circuit is in parallel with capacitor C 13, one end ground connection, 5 pin of another termination amplifier U2B, 6 pin of amplifier U2B are the end of connecting resistance R15 respectively, one end of resistance R 17 and an end of capacitor C 12, another termination time-delay reference edge 5Vs of resistance R 17,7 pin of another termination amplifier U2B of capacitor C 12 and an end of resistance R 14, the other end of resistance R 14 connects the base stage of triode T2 respectively, one end of resistance R 13 and capacitor C 14, the other end of resistance R 13 and capacitor C 14 links to each other with the emitter of triode T2 and ground connection, the 3 pin difference connecting resistance R9 of amplifier U2A and an end of resistance R 12, one end of capacitor C 11 and the collector electrode of triode T2, another termination time-delay reference edge 5Vs of resistance R 12, the other end ground connection of capacitor C 11, the end of variable resistor VR1 links to each other with the other end of resistance R 9, the other end ground connection of variable resistor VR1,2 pin of amplifier U2A are the end of connecting resistance R11 respectively, one end of resistance R 8 and capacitor C 10, one end of resistance R 10 and capacitor C 9, the other end ground connection of resistance R 11, the other end of resistance R 8 and capacitor C 10 links to each other and connects 1 pin of amplifier U2A, 1 pin of one termination amplifier U2A of resistance R 7,5 pin of control chip U1 in described first control of another termination of resistance R 7 and the drive circuit, resistance R 10 links to each other with the other end of capacitor C 9, and 8 pin of amplifier U2A meet in-line power end Vcc, 4 pin ground connection;
1 pin of amplifier U3A in the described soft starting circuit links to each other with 2 pin and difference connecting resistance R21, capacitor C 16, one end of resistance R 22 and time-delay reference edge 5Vs, the other end of resistance R 21 and capacitor C 16 links to each other and ground connection, 6 pin of another termination amplifier U3B of resistance R 22,3 pin of amplifier U3A are the end of connecting resistance R19 respectively, the positive pole of capacitor C 15, the positive pole of diode D3 and D4, the minus earth of capacitor C 15, the negative pole of the other end of resistance R 19 and diode D3 links to each other and meets in-line power end Vcc, the negative pole of diode D4 connects 7 pin of amplifier U3B, the 5 pin connecting resistance R20 of amplifier U3B and an end of capacitor C 17, the other end ground connection of capacitor C 17, another termination benchmark section Vref of resistance R 20,8 pin of amplifier U3A meet in-line power end Vcc, 4 pin ground connection;
3 ends of transformer TRF secondary coil Ls in the described current rectifying and wave filtering circuit connect the positive pole of capacitor C 6 and an end of inductance L 2 by meeting diode D5, the other end of inductance L 2 connects the positive pole of capacitor C 7 respectively, one end of capacitor C 8, one end of resistance R 23 and filament output plus terminal Vf+, the other end of the resistance R 10 in voltage and the current feedback circuit, 4 ends of transformer TRF secondary coil Ls connect the negative pole of capacitor C 6 and C7 respectively, the other end of capacitor C 8 and resistance R 23, the other end of resistance R 15 in one end of resistance R 18 and described first voltage and the current feedback circuit, the other end ground connection of resistance R 18 and filament output negative terminal Vf-.
3. power module according to claim 1 is characterized in that:
The one termination power supply input 24V+ of the inductance L 1 in described second control and the drive circuit, the other end connects capacitor C 3 positive poles respectively, one end of capacitor C 6 and resistance R 6,1 end of transformer TRF primary coil Lp, the minus earth of capacitor C 3, capacitor C 6 links to each other with the other end of resistance R 6 and connects the negative pole of diode D3, the positive pole of diode D3 links to each other with 2 ends of transformer TRF primary coil Lp and connects the drain electrode of triode T1, the grid difference connecting resistance R4 of triode T1 and an end of resistance R 5, one end of capacitor C 5 and the positive pole of diode D2, the other end of resistance R 5 and capacitor C 5 links to each other with the source electrode of triode T1 and ground connection, the other end of resistance R 4 links to each other with the negative pole of diode D2 and connects 3 pin of control chip U1,4 pin of control chip U1 link to each other with 8 pin and the end of connecting resistance R3 and R1 respectively, the positive pole of capacitor C 4, the negative pole of diode D1 is also drawn as in-line power end Vcc, the positive pole of the negative pole of capacitor C 4 and diode D1 links to each other and ground connection, the other end of resistance R 3 receives the control input voltage vin, the end of the other end connecting resistance R2 of resistance R 1 and 7 pin of control chip U1, the other end of resistance R 2 connects 2 pin and 6 pin of control chip U1 respectively, one end of capacitor C 1, the other end ground connection of capacitor C 1,5 pin of control chip U1 connect an end of capacitor C 2, the other end ground connection of capacitor C 2, the 1 pin ground connection of control chip U1;
The 3 pin difference connecting resistance R9 of amplifier U2A in the voltage feedback circuit in described second voltage and the current feedback circuit and an end of R10 and capacitor C 8, another termination reference edge Vref of resistance R 9, the other end of resistance R 10 and capacitor C 8 links to each other and ground connection, the 2 pin difference connecting resistance R11 of amplifier U2A and an end of resistance R 12 and resistance R 8 and capacitor C 7, the other end ground connection of resistance R 11, the other end of resistance R 12 and capacitor C 7 links to each other and connects 1 pin of amplifier U2A, the end of the other end connecting resistance R7 of resistance R 8, one end of resistance R 13 connects 1 pin of amplifier U2A and the negative pole of diode D4 respectively, the positive pole of the other end of resistance R 13 and diode D4 links to each other and connects 5 pin of control chip U1 in described second control and the drive circuit, and 8 pin of amplifier U2A meet in-line power end Vcc, 4 pin ground connection; The 6 pin connecting resistance R17 of amplifier U2B in the current feedback circuit in described second voltage and the current feedback circuit and an end of capacitor C 9, resistance R 17 other end ground connection, 7 pin of another termination amplifier U2B of capacitor C 9, one end of resistance R 18 links to each other with diode D5 negative pole and connects 7 pin of amplifier U2B, the other end of resistance R 18 and the anodal base stage that links to each other and meet triode T2 of diode D5, the grounded collector of triode T2, the end of emitter connecting resistance R14, the positive pole of D4 in the described voltage feedback circuit of another termination of resistance R 14,5 pin of control chip U1 in described second control and the drive circuit, the 5 pin difference connecting resistance R15 of amplifier U2B and an end of resistance R 16 and variable resistor VR1 and capacitor C 10, the negative pole of diode D6, the positive pole of diode D6 links to each other with the other end of resistance R 16 and capacitor C 10 and ground connection, the other end of variable resistor VR1 with meet reference edge Vref after resistance R 19 is connected;
The 3 pin connecting resistance R32 of amplifier U3A in the described pipe stream mode decision circuit and the end of R29, resistance R 32 other end ground connection, 1 pin of another termination amplifier U3A of resistance R 29 and an end of resistance R 28, the other end of resistance R 28 is contact I-ok in succession, the 2 pin connecting resistance R30 of amplifier U3A and the end of R31, another termination reference edge Vref of resistance R 30,8 pin of amplifier U3A connect in-line power end Vcc, 4 pin ground connection;
3 ends of transformer TRF secondary coil Ls in the described starting circuit connect the positive pole of diode D7 and an end of capacitor C 16 respectively, the negative pole of diode D7 connects the positive pole of capacitor C 12 respectively, one end of capacitor C 11 and inductance L 2, the other end of inductance L 2 connects the positive pole of capacitor C 14 respectively, one end of capacitor C 13 and resistance R 21, the other end of resistance R 7 in the positive pole of diode D8 and the described voltage feedback circuit, capacitor C 12, the negative pole of capacitor C 14 and capacitor C 11, the other end of capacitor C 13 links to each other and connects 4 ends of transformer TRF secondary coil Ls, resistance R 21 is by resistance R 22, resistance R 23 respectively with an end of resistance R 20 and capacitor C 20, in the described current feedback circuit in the other end of resistance R 15 and the described pipe stream mode decision circuit other end of resistance R 31 link to each other and connect 4 ends of transformer TRF secondary coil Ls, the other end of resistance R 20 and capacitor C 20 links to each other and connects output negative terminal OUT-and ground, the other end of capacitor C 16 connects an end of capacitor C 18 respectively, the positive pole of the negative pole of diode D9 and diode D10, the other end of capacitor C 18 connects the negative pole of diode D11 and the positive pole of diode D12 respectively, capacitor C 17, one end of capacitor C 15 links to each other with the positive pole of diode D9 and connects 4 ends of transformer TRF secondary coil Ls, the other end of capacitor C 17 connects an end of capacitor C 19 respectively, the positive pole of the negative pole of diode D10 and diode D11, the end of the other end difference connecting resistance R27 of capacitor C 19 and the negative pole of diode D12, the other end of resistance R 27 connects the positive pole of diode D13 and the other end of capacitor C 15 respectively, and the negative pole of diode D13 and diode D8 links to each other and passes through resistance R 24, resistance R 25, resistance R 26 meets high-voltage output end OUT+.
4. power module according to claim 1 is characterized in that:
The emitter of triode T1 in described start and stop control and the reference circuit links to each other with an end of resistance R 4 and meets power supply input 24V+, the other end of resistance R 4 connects an end of base stage and the resistance R 5 of triode T1 respectively, the collector electrode of another termination triode T2 of resistance R 5, the one end difference connecting resistance R7 of resistance R 6 and an end of capacitor C 3, the base stage of triode T2, the other end of resistance R 7 and capacitor C 3 link to each other and connect triode T2 emitter and ground, the outside start and stop control signal of another termination R/S of resistance R 6, the collector electrode of triode T1 links to each other with an end of resistance R 3 and accepts control input voltage tie point Vin, the other end difference connecting resistance R1 of resistance R 3 and an end of capacitor C 2, the positive pole of capacitor C 1, the negative electrode of a reference source U2 and benchmark output Vref, the other end of resistance R 1 is the end of connecting resistance R2 respectively, the control utmost point of the other end of capacitor C 2 and a reference source U2, the negative pole of capacitor C 1 links to each other and ground connection with the other end of resistance R 2 and the anode of a reference source U2;
1 pin of amplifier U1A in described consumption reduction control and the status display circuit is by resistance R 10 sending and receiving optical diode LD1 positive poles, diode LD1 minus earth, the 2 pin difference connecting resistance R8 of amplifier U1A and an end of resistance R 9, the other end of resistance R 8 receives 8 pin of control input voltage vin and amplifier U1A, the 3 pin connecting resistance R11 of amplifier U1A and an end of capacitor C 4, capacitor C 4 links to each other with the other end of resistance R 9 and ground connection, the other end of resistance R 11 connects the negative pole of diode D1 respectively, one end of resistance R 12 and resistance R 13, pipe stream mode test side Iaok, the other end of the positive pole of diode D1 and resistance R 13 links to each other and ground connection, the other end connecting resistance R17 of resistance R 12 and an end of resistance R 21, the other end of resistance R 17 connects an end of base stage and the resistance R 18 of triode T3 respectively, the other end of the emitter of triode T3 and resistance R 18 links to each other and ground connection, the collector electrode of triode T3 is by resistance R 19 sending and receiving optical diode LD2 negative poles, the anodal control input voltage vin that receives of light-emitting diode LD2, the other end difference connecting resistance R20 of resistance R 21 and an end of capacitor C 5, the base stage of triode T4, the other end of resistance R 20 and capacitor C 5 links to each other with the emitter of triode T4 and ground connection, 2 of the collector electrode of triode T4 and toggle switch S1,3,4 pin link to each other, 5 of toggle switch S1,6,7 pin are the end of connecting resistance R16 respectively, one end of resistance R 15, one end of resistance R 14, the resistance R 16 splice connection point 1U1-5 that links to each other with the other end of resistance R 15 and resistance R 14.
5. power module according to claim 1 is characterized in that, described power module is a 2.5V/A Power supply for deuterium lamp module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205623504U CN201888003U (en) | 2010-10-15 | 2010-10-15 | Power supply module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205623504U CN201888003U (en) | 2010-10-15 | 2010-10-15 | Power supply module |
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| CN201888003U true CN201888003U (en) | 2011-06-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104023453A (en) * | 2014-06-23 | 2014-09-03 | 苏州塔可盛电子科技有限公司 | Emission light source control circuit |
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2010
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104023453A (en) * | 2014-06-23 | 2014-09-03 | 苏州塔可盛电子科技有限公司 | Emission light source control circuit |
| CN104023453B (en) * | 2014-06-23 | 2016-09-14 | 银川博聚工业产品设计有限公司 | A kind of transmitting control circuit for light source |
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