CN2847808Y - Module power device and module power circuit - Google Patents
Module power device and module power circuit Download PDFInfo
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- CN2847808Y CN2847808Y CNU2005201058595U CN200520105859U CN2847808Y CN 2847808 Y CN2847808 Y CN 2847808Y CN U2005201058595 U CNU2005201058595 U CN U2005201058595U CN 200520105859 U CN200520105859 U CN 200520105859U CN 2847808 Y CN2847808 Y CN 2847808Y
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Abstract
The utility model discloses a module power supply and a module power supply circuit. The utility model comprises a bottom board and a housing, wherein bottom board of an inner cavity of the housing is connected with nuts, the upper end surfaces of the nuts are connected with a control circuit board of which the upper end surface is connected with a cushion column, and the cushion column is connected with pins; the surface of the inner cavity of the housing is provided with an insulated film of which the surface is provided with labels; screws penetrate through the control circuit board and positioning nuts and are fixed in the middle part of the bottom board, and encapsulation glue is cast in the housing. The module power supply circuit is composed of an auxiliary power supply circuit, a current mode controller circuit, an over-temperature switching-off circuit, a power conversion output circuit, an output circuit and an isolating sampling compensation circuit. The utility model has the characteristics of reasonable structure, small size and shock and vibration resistance, output voltage does not offset from the original setting value and modules does not fail. Besides, the module power supply circuit uses a fixed resistor to substitute for an adjustable potentiometer. The utility model is extensively used in national defense and civil electronic products.
Description
Technical field
The utility model relates to modular power source, is specially adapted to a kind of modular power source device and module power supply circuit.
Background technology
The major technique defective that prior art exists:
1., under the high temperature, the thermal expansion of casting glue causes modular power source inside to have the IC device pin to be drawn back, and causes module to lose efficacy;
2., the intersection of bypass output is adjusted rate variance;
3., under the impact shock condition, output voltage is offset former set point easily; Lost efficacy and produce;
4., appearance design complexity.
Summary of the invention
It is a kind of rational in infrastructure that goal of the invention of the present utility model is to provide, and volume is little, impact resisting vibrating, a kind of modular power source device that the former set point of output voltage non-migration, module did not lose efficacy.
Another goal of the invention of the present utility model is to provide a kind of module power supply circuit that replaces the adjustable potential meter with fixed resistance.
The technical scheme that realizes goal of the invention is to solve like this: the modular power source device, comprise a base plate and housing, its improvements of the present utility model are that base plate is connected with housing, be connected with the installation nut on the base plate of housing inner chamber, the upper surface that nut is installed connects control circuit board, be connected with the pad post in the upper surface of control circuit board, the pad post is connected with bobbin, the housing inner cavity surface is fixed with insulation film, the surface is fixed with label, screw passes the middle part that control circuit board and setscrew nut are fixedly connected on base plate, is cast with casting glue in the housing.
Module power supply circuit, comprise by auxiliary power circuit, the current mode controller circuit, the excess temperature breaking circuit, the power transfer output circuit, output circuit, isolating the sampling compensating circuit forms, its improvements of the present utility model are that an end of auxiliary power circuit is connected with the positive pole of power transfer output circuit, the other end is connected with the current mode controller circuit, the power transfer output circuit also is connected with the linear voltage-stabilizing circuit tandem node respectively, isolate the sampling compensating circuit, the current mode controller circuit connects, linear voltage-stabilizing circuit other end access+15v/+12v,-15v/-12v bobbin and node ± 15v/ ± 12v bobbin, + 15v/+12v and-15v/-12v be parallel with capacitor C 2 ', C3 ', the power transfer output circuit is two-way access+5v in addition,-5v bobbin, + 5v, a capacitor C 4 also in parallel between the-5v end ', isolate sampling compensating circuit other end access+S,-S bobbin, the current mode controller circuit inserts output circuit, excess temperature/stream breaking circuit, the excess temperature breaking circuit, SYNC, TRIM, the TTL bobbin, the power transfer output circuit even has access to respectively+vin, vin, + vin, be parallel with on the vin bobbin capacitor C 1 ', the output circuit other end inserts on the bobbin.
The utility model compared with prior art, 1) casting glue has been done replacing, change the better casting glue of a kind of temperature characterisitic into; 2) improved intersection regulation problem between the bypass output; 3) replace the adjustable potential meter of use in module 3 tunnel outputs originally with fixed resistance; 4) outward appearance is carried out simplified design; Have synchronously, overvoltage/overcurrent/overheat protector, and Adjustable Output Voltage, TTL turn-off function, rational in infrastructure, volume is little, impact resisting vibrating, the former set point of output voltage non-migration, module do not lose efficacy characteristics.The module power supply circuit that replaces the adjustable potential meter with fixed resistance.By above improvement, be significantly improved for the reliability of power supply, at first, replace potentiometric improvement by improvement and fixed resistance to casting glue, significantly increased the reliability of power module.Be in particular in that it can use by environment big in variations in temperature, that have vibration to require, and once had before not being prone to, cause control IC pin drawing crack in the power module because of variation of temperature and damage power supply.Also improved under vibration condition simultaneously, situation that the power parameter that causes lost efficacy appears easily that output voltage departs from nominal value and in module output.In addition, aspect electrical property, the regulation of intersecting between the auxiliary output of modular power source has had tangible improvement.Improve the auxiliary output characteristic in the three-way power, be beneficial to user's use.At last, be embodied in the design of label, mainly outstanding simple and easy, practical.By above improvement, this product is widely used in national defence and the consumer electronic product, has good economy and social benefit.
Main unit for electrical property parameters technical indicator is seen attached list
Description of drawings
Fig. 1 looks the broken section structural representation for the modular power source master;
Fig. 2 is the amplification broken section structural representation of Fig. 1;
Fig. 3 is the amplification plan structure schematic diagram of Fig. 1;
Fig. 4 is the right TV structure schematic diagram of Fig. 1;
Fig. 5 is a module power supply circuit frame structure schematic diagram;
Fig. 6 is accessory power supply, current mode controller, the isolation sampling compensating circuit theory structure schematic diagram of Fig. 5;
Fig. 7 is power transfer, output, the excess temperature breaking circuit theory structure schematic diagram of Fig. 5.
Embodiment
Accompanying drawing is embodiment of the present utility model
Be described further below in conjunction with the summary of the invention of accompanying drawing utility model:
With reference to Fig. 1～shown in Figure 4, modular power source, comprise a base plate 5 and housing 6, base plate 5 is connected with housing 6, is connected with on the base plate 5 of housing 6 inner chambers nut 9 is installed, and the upper surface that nut 9 is installed connects control circuit board 1, be connected with pad post 2 in the upper surface of control circuit board 1, pad post 2 is connected with bobbin 3, and housing 6 inner cavity surface are fixed with insulation film 4, the surface is fixed with label 7, and screw 10 passes the middle part that control circuit board 1 and setscrew nut 8 are fixedly connected on base plate 5.The both sides of control circuit board 1 are equipped with equally distributed bobbin 3 more than 5 or 5 at least, are cast with casting glue in the housing 6.
Shown in Figure 5, module power supply circuit, comprise by auxiliary power circuit, the current mode controller circuit, the excess temperature breaking circuit, the power transfer output circuit, output circuit, isolating the sampling compensating circuit forms, an end that it is characterized in that auxiliary power circuit (11) is connected with the positive pole of power transfer output circuit (12), the other end is connected with current mode controller circuit (19), power transfer output circuit (12) also respectively with linear voltage-stabilizing circuit (13,14) and linear voltage-stabilizing circuit (13,14) tandem node, isolate sampling compensating circuit (16), current mode controller circuit (19) connects, linear voltage-stabilizing circuit (13,14) other end access+15v/+12v,-15v/-12v bobbin (3), and node ± 15v/ ± 12v bobbin (3), + 15v/+12v and-15v/-12v be parallel with capacitor C 2 ', C3 ', power transfer output circuit (12) is two-way access+5v in addition,-5v bobbin (3), + 5v, between-5v the end also parallel connection-individual capacitor C 4 ', isolate sampling compensating circuit (16) other end access+S,-S bobbin (3), current mode controller circuit (19) inserts output circuit (15), excess temperature/stream breaking circuit (17), excess temperature breaking circuit (18), SYNC, TRIM, TTL bobbin (3), power transfer output circuit (12) has access to respectively+vin, vin, + vin, be parallel with on the vin bobbin (3) capacitor C 1 ', output circuit (15) other end inserts on the bobbin (3).
Figure 6 shows that accessory power supply, current mode controller, isolation sampling compensating circuit theory structure schematic diagram:
A, auxiliary power circuit 11 be by resistance R 8, diode CR7, CR4, CR5, CR6, and triode Q5, capacitor C22, transformer T1 forms; Wherein 9 of transformer T1 secondary side, 10 winding two ends capacitor C22 in parallel, a diode CR7, differential concatenation is connected with diode CR4 on the 10 pin windings of transformer T1 secondary side, CR5, the other end of diode CR4 is serially connected on the emitter of triode Q5, its base stage is connected with the end of diode CR7, collector electrode is connected on+the 28V power supply on, be connected a resistance R 8 in the bypass of base stage and collector electrode, 9 pin winding terminals of transformer T1 secondary side are connected with diode CR6 one end and insert-the 28V power supply on, the diode CR6 other end inserts resistance R 50, on 13 pin of R9 one end and controller U1.
B, current mode controller circuit 19 is by resistance R 50, R47, R14, R17, R19, R38, R21, R36, R9, R48, R36, R37, R24, R30, R31, R15, R13, R25, R22, R23, R39, R32, R49, R34, R33, R26, R51, R28, R29, R27, R62, R7, R6, capacitor C24, C23, C30, C44, C40, C27, C28, C31, C32, C42, C33, C41, C46, C20, C19, C38, C6, C15, C66, C54, triode Q9, Q4, Q6, diode CR10, CR14, CR8, CR3, CR9, CR19, transformer T5, T2, PWM controller U1, voltage comparator U4, optocoupler U5-2 forms; Wherein resistance R 50 other ends insert on the collector electrode of triode Q9, emitter connecting resistance R47, base stage connects 10 pin of controller U1, resistance R 47 other ends are connected on an end of capacitor C28 and resistance R 48,8 pin of the other end access controller U1 of capacitor C28, the end of capacitor C24 successively respectively with capacitor C23, C30, C27, resistance R 48, R24,12 pin of controller U1, capacitor C42, resistance R 23, capacitor C33, resistance R 51, capacitor C46, resistance R 27, capacitor C20, diode CR8 one end connects, the other end of capacitor C24 inserts resistance R 9,8 pin of resistance R 9 other ends and voltage comparator U4 are connected, the other end of capacitor C23 inserts resistance R 9 one ends, the capacitor C30 other end inserts an end of resistance R 22, its bypass resistance R 38 that is connected in series, R16, resistance R 48 other ends serial connection capacitor C28,8 pin of capacitor C28 other end access controller U1, its bypass inserts the base stage of triode Q4,9 pin of resistance R 24 other end access controller U1,5 pin of capacitor C42 other end access controller U1, resistance R 23 other end series resistor R22, the other end of resistance R 51 inserts 16 pin of resistance R 26 1 ends and controller U1, its bypass is connected the other end of capacitor C33,11 pin of controller U1 insert an end of diode CR14 and resistance R 15 respectively, the other end of resistance R 15 inserts an end of triode Q1 and resistance R 13 respectively, the other end of resistance R 13 is serially connected in 3 of controller U1 respectively, on 12 pin, the other end of capacitor C46 and series resistor R25, the end of capacitor C41 connects, the other end series resistor R29 of resistance R 27, the end of R28, the output of diode CR3 successively respectively with resistance R 39, resistance R 26, capacitor C41, resistance R 28, capacitor C19, resistance R 6 one ends connect, the input of diode CR3 is connected with secondary side 4 pin of transformer T5, secondary side 3 pin and the diode CR8 of transformer T5, capacitor C20, resistance R 7, capacitor C19, resistance R 6 other ends connect, resistance R 7 other ends respectively with optocoupler U5-2 collector electrode, resistance R 31, R30, R36, resistance R 21, triode Q4 collector electrode connects, optocoupler U5-2 emitter and capacitor C54, resistance R 62, R34 one end connects, capacitor C54, resistance R 62 other ends and optocoupler U5-2 base stage are connected in parallel, triode Q4 emitter and resistance R 19, capacitor C40 is connected in parallel, resistance R 19, the electric capacity other end divide two-way respectively with resistance R 18, capacitor C27 one end connects, resistance R 18 other ends divide two-way respectively with resistance R 17, diode CR10 one end connects, the diode CR10 other end divides two-way to be connected with the 3 pin windings of capacitor C44 and transformer T2 respectively, capacitor C44 other end ground connection, the 4 pin windings of transformer T2 insert resistance R 37 successively respectively, capacitor C38,4 pin of voltage comparator U4, resistance R 32, R49, R33, the end of capacitor C66 connects, 6 pin of controller U1,7 pin shunt capacitor C31, the other end of capacitor C31 connects an end of resistance R 14, another termination TRIM end of resistance R 14,7 pin of controller U1 are series resistance R25 also, capacitor C32, the capacitor C32 other end inserts on the resistance R 27, the other end of capacitor C66 inserts 5 pin of voltage comparator U4 and the end of capacitor C15, the other end of capacitor C15 inserts 6 pin and the diode CR9 output of voltage comparator U4 respectively, its bypass inserts the other end of diode CR19 input and resistance R 32,7 pin of voltage comparator U4 link to each other with the base stage of triode Q6, the collector electrode of triode Q6 is connected with resistance R 21,1 pin of its bypass access controller U1, capacitor C6 one end is connected with resistance R 49, the other end is connected with resistance R 37, and resistance R 37 other ends are connected with resistance R 36 1 ends.Major function be realize the control of current-mode on the circuit and synchronously, telecontrolled cut, functions such as the output voltage outside is adjustable, inner Power OK detection.
C, isolate the sampling compensating circuit by capacitor C35, C26, C5, C34, C16, C25, C37, C57, C55, resistor R 5, R4, R2, R3, R73, R69, R70, R71, R68, R67, R65, R66, R63, R64, diode CR11, CR12, CR21, CR20, triode Q2, Q3, potentiometer R71, voltage comparator U8, timer U2, optocoupler U5-1, transformer T5, T3 forms, wherein primary side 2 pin of transformer T5 successively respectively with resistance R 2, capacitor C34, the end of diode CR12 connects, the other end of resistance R 2 inserts 8 pin of timer U2,6 pin of timer U2 link to each other with 2 pin, 2 pin and 3 pin also connect a resistance R 3, triode Q3 of primary side 1 pin serial connection of transformer T5, the emitter of triode Q3 successively respectively with resistance R 5, capacitor C35,1 pin of timer U2, capacitor C26, C5, the end of C34 connects, the base stage of triode Q3 is divided two-way to connect resistance R 5 respectively and is connected with R4 one end, the other end of resistance R 4 inserts 3 pin of timer U2 and the other end of capacitor C5, the other end of capacitor C35 inserts 4 pin of timer U2, the other end of capacitor C26 inserts 2 pin of timer U2, the other end of diode CR12 inserts respectively+5v power end and capacitor C16 one end, the other end of capacitor C16 inserts respectively+5v (CND) power end and diode CR11 one end, 9 pin of another termination transformer of diode CR11 T3,10 pin of transformer T3 are connected with the end of capacitor C25 and diode CR21, the capacitor C25 other end is connected with capacitor C37 one end, the capacitor C37 other end is connected with 9 pin of transformer T3, the collector electrode of triode Q2 successively respectively with resistance R 64, R66, R65, R73, the end of diode CR21 connects, the base stage of triode Q2 inserts 7 pin of resistance R 65 other ends and voltage comparator U8, one end of resistance R 66 is connected with 8 pin of voltage comparator U8, its bypass is connected to capacitor C56, the emitter of triode Q2 inserts the end of optocoupler U5-1, its bypass is connected to capacitor C55, resistance R 63, the other end of optocoupler U5-1 successively respectively with capacitor C55, resistance R 63, capacitor C56,1 of voltage comparator U8,2,3 pin, resistance R 68, the end of diode CR20 connects, 4 pin of voltage comparator U8, the end ground connection of potentiometer R71, potentiometer R71, resistance R 70, R69 is connected in series, the other end of diode CR20 is connected with an end of resistance R 73, its bypass is connected to resistance R 69, R67, the end of the 6 pin serial connection capacitor C57 of voltage comparator U8 connects, the other end of capacitor C57 is connected resistance R 69, the node of R70,6 pin of voltage comparator U8 also with resistance R 67, the node of R68 connects, 5 pin of voltage comparator U8 are connected the end of capacitor C57, buffer circuit realization ± S output voltage compensation function.
Figure 7 shows that power transfer, output, the excess temperature breaking circuit theory structure schematic diagram of Fig. 5.
D, circuit for power conversion 12 importations are by capacitor C1, C2, C3, C4, C8, diode CR2, CR3, inductance L 1, field effect transistor Q1, the 1-2 winding of the 1-2 winding of transformer T1, the 1-2 winding of T2, T3 is formed, and wherein C1, C3, C4, CR2 are connected with 2 pin of transformer T1 respectively and connect input pin, and C1, C2 connect, the other end of C2 extremely links to each other with the S of C3, C4, L1 and Q1 respectively, and connects input ground.L1 and CR3 just link to each other, CR3 negative respectively with CR2 just, C8 links to each other.2 pin of the d of C8 and Q1, transformer T2 are connected, and 1 pin of transformer T2 is connected with 2 pin of transformer T3, and 1 pin of transformer T3 is connected with 1 pin of transformer T1, and the g of Q1 is connected to R15 and R13 junction.
E, output circuit
A) 5V output and linear voltage stabilization are by resistor R 35, R17, R1, R40, capacitor C21, C9, C10, C11, C12, C13, C17, C18, C14, diode CR1, inductance L 2, the 3-4 winding of transformer T1, the 3-4 winding of T3 are formed, wherein anode, the C21 of 3 pin of T1 and CR1 are connected, and the other end of C21 is connected with the end of negative, C9, the C10 of CR1, C11, C12, C14, L2 respectively.The 3 pin windings of another termination T3 of C9, the 4 pin windings of T3 are just meeting C14 and CR1 '.Another termination C13 of L2, R1, R40, C17, connect the 5V output, the 4 pin windings of T1 are connected with C10, C11, C12, C13, R35, R35 is connected with R17 again, and R17 is connected with the ground wire of R1, R40, C18,5V output again, and the other end of C18 links to each other with the other end of C17 again.Should hold after the connection ground connection.
B) linear voltage stabilization of 15V/12V output is by resistor R 52, R54, R56, R58, R60, capacitor C47, C62, C48, C64, C60, C50, C52, C58, diode CR22, CR24, triode Q10, linear voltage regulator U6, transformer T1, T3 form, and wherein transformer T1-7 links to each other with anode, the C47 of CR22.The negative electrode of CR22 links to each other with the other end of C47, the negative electrode of C62, C48, CR24, R52, C64, R54, R56,1 pin of C50, U6, C52 are connected to the output of 15V/12V anode, the other end of C50, C52, C60,4 pin of R60, U6 are connected to the negative terminal of 15V/12V.R60 links to each other with R58.The B of 2 pin of the other end of R58, C60, U6, the other end of R56, Q10 is extremely continuous.5 pin of U6 link to each other with the other end of C64, and 3 pin of transformer T1-8, U6, link to each other with C58 at CR24 anode, transformer T3-7.The other end ground connection of C58.Transformer T3-8 is connected with the anode of CR22 ', the other end of C62.
C)-and the linear voltage stabilization part of 15V/-12V output: resistor R 53, R55, R57, R59, R61, capacitor C63, C65, C49, C59, C61, C51, C53, diode CR23, CR25, triode Q11, linear voltage regulator U7, transformer T1 (5,6), T3 (5,6); Wherein transformer T3-6 links to each other with the C63 other end with the anode of CR23 ', the end of C63, the negative electrode of CR23 ', while and C65, C49, the negative electrode of CR25, R53, C67, R55, R57, C51,1 pin of U7, one of C53 are connected to AGND end, the other end of C51, C53, C61, R61,4 pin of U7 are connected to-output of 15V/-12V, and R61 links to each other with R59.The B of 2 pin of the other end of R59, C61, U7, the other end of R57, Q11 is extremely continuous.5 pin of U7 link to each other with the other end of C67.3 pin of transformer T3-5, U7, the anode of CR25, links to each other with C59 at transformer T1-6.The other end ground connection of C59.The anode of transformer T1-5 and CR23, C65 in addition-end is connected.
F, excess temperature breaking circuit be by resistance R 46, R45, R44, R20, R43, R12, capacitor C45, C43, C29, and diode CR15, triode Q8, Q7, temperature sensor U3 forms; Wherein, 2 pin of R12 one termination U3, resistance R 12 another termination U1-15 end.1 pin of U3 joins with the collector electrode of C29, R20, R46, Q8 respectively.3 pin of U3 are received on the ground wire of input with one at the emitter of C29, R20, Q8 respectively.The collector electrode of Q8 inserts the U1-1 end, and the collector electrode of Q7 links to each other with R45 one end.The emitter of Q7 inserts the U1-2 end, and another termination C45, the R46 of R45 and the base stage of Q8 are connected.R44, C43, R43 respectively with the join other termination CR15 anode of .R43 of the base stage of Q7.The negative terminal on/off output pin of CR15.Constitute the excess temperature breaking circuit.
Absolute maximum rating:
Input voltage+14V～+ 40V Tst storage temperature range-55 ℃～+ 125 ℃
300 ℃ of POWER OK 5.0V Tld welding temperature scopes (10s weld time)
-40 ℃～+ 75 ℃ of output overcurrent (maximum) 7.5A Tc shell working temperatures (I level)
(M level)-55 ℃～+ 100 ℃
Main unit for electrical property parameters index
| Input characteristics | |||||||||||||||
| Minimum value | Representative value | Maximum | Unit | ||||||||||||
| Input voltage | 14 | 28 | 40 | V | |||||||||||
| No-load power consumption | 3 | 5 | W | ||||||||||||
| The input ripple voltage | 600 | 700 | mv | ||||||||||||
| Input ripple decay (120Hz) | 40 | dB | |||||||||||||
| Efficient (being fully loaded with) | 64 | 68 | 75 | ％ | |||||||||||
| Output characteristic | |||||||||||||||
| WK28515-T-50 | WK28512-T-50 | ||||||||||||||
| 5V | ±15V | 5V | ±12V | ||||||||||||
| Minimum value | Representative value | Maximum | Minimum value | Representative value | Maximum | Minimum value | Representative value | Maximum | Minimum value | Representative value | Maximum | Unit | |||
| Output current | 5 | 0.83 | 5 | 1.04 | A | ||||||||||
| The output voltage precision setting | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | ％Vout | ||||||
| Laod stability | 0.1 | 0.5 | 0.2 | 0.7 | 0.1 | 0.5 | 0.2 | 0.7 | ％Vout | ||||||
| Voltage stability | 0.1 | 0.5 | 0.2 | 0.5 | 0.1 | 0.5 | 0.2 | 0.5 | ％Vout | ||||||
| Ripple Vp-p (20MHz) | 75 | 150 | 50 | 150 | 75 | 150 | 50 | 150 | mV | ||||||
| The output adjustable range | 100 | 115 | 100 | 115 | ％Vout | ||||||||||
| The remote detection compensation | 0.5 | 0.5 | Vdc | ||||||||||||
| Output over-voltage protection | 120 | 125 | 120 | 125 | ％Vout | ||||||||||
| Dynamic response | |||||||||||||||
| The 20-80% load | 500/200 | 200/30 | 500/200 | 200/30 | μS/mv | ||||||||||
| Minimum voltage-ceiling voltage | 750/250 | 500/50 | 750/200 | 500/50 | μS/mv | ||||||||||
| The 50-100% load | 500/200 | 200/30 | 500/200 | 200/30 | μS/mv | ||||||||||
| Temperature drift | 0.005 | 0.015 | 0.01 | 0.025 | 0.005 | 0.015 | 0.01 | 0.025 | ％/℃ | ||||||
| Cross flow restriction | 105 | 125 | 150 | 105 | 125 | 150 | 105 | 125 | 150 | 105 | 125 | 150 | ％Iout | ||
| Short circuit current | 25 | 80 | 25 | 80 | 25 | 80 | 25 | 80 | ％Iout | ||||||
| Output voltage settling time | 1.0 | 1.0 | 1.0 | 1.0 | ms | ||||||||||
| Telecontrolled cut/opening time | 1.0 | 1.0 | 1.0 | 1.0 | ms | ||||||||||
| Excess temperature turn-offs | 110±3 | 110±3 | ℃ | ||||||||||||
| Thermal resistance (shell-environment) | 5 | 5 | ℃/W | ||||||||||||
Claims (3)
1, a kind of modular power source, comprise a base plate (5) and housing (6), it is characterized in that base plate (5) is connected with housing (6), be connected with on the base plate (5) of housing (6) inner chamber nut (9) is installed, the upper surface that nut (9) is installed connects control circuit board (1), be connected with pad post (2) in the upper surface of control circuit board (1), pad post (2) is connected with bobbin (3), housing (6) inner cavity surface is fixed with insulation film (4), the surface is fixed with label (7), screw (10) passes the middle part that control circuit board (1) and setscrew nut (8) are fixedly connected on base plate (5), and housing is cast with casting glue in (6).
2, a kind of modular power source device according to claim 1 is characterized in that the both sides of described control circuit board (1) are equipped with equally distributed bobbin (3) more than 5 or 5 at least.
3, a kind of module power supply circuit, comprise by auxiliary power circuit, the current mode controller circuit, the excess temperature breaking circuit, the power transfer output circuit, output circuit, isolating the sampling compensating circuit forms, an end that it is characterized in that auxiliary power circuit (11) is connected with the positive pole of power transfer output circuit (12), the other end is connected with current mode controller circuit (19), power transfer output circuit (12) also respectively with linear voltage-stabilizing circuit (13,14) and linear voltage-stabilizing circuit (13,14) tandem node, isolate sampling compensating circuit (16), current mode controller circuit (19) connects, linear voltage-stabilizing circuit (13,14) other end access+15v/+12v,-15v/-12v bobbin (3), and node ± 15v/ ± 12v bobbin (3), + 15v/+12v and-15v/-12v be parallel with electric capacity (C2 ', C3 '), power transfer output circuit (12) is two-way access+5v in addition,-5v bobbin (3), + 5v, an electric capacity (C4 ') also in parallel between the-5v end, isolate sampling compensating circuit (16) other end access+S,-S bobbin (3), current mode controller circuit (19) inserts output circuit (15), excess temperature/stream breaking circuit (17), excess temperature breaking circuit (18), SYNC, TRIM, TTL bobbin (3), power transfer output circuit (12) has access to respectively+vin, vin, + vin, be parallel with on the vin bobbin (3) capacitor C 1 ', output circuit (15) other end inserts on the bobbin (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201058595U CN2847808Y (en) | 2005-12-09 | 2005-12-09 | Module power device and module power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201058595U CN2847808Y (en) | 2005-12-09 | 2005-12-09 | Module power device and module power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2847808Y true CN2847808Y (en) | 2006-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201058595U Expired - Lifetime CN2847808Y (en) | 2005-12-09 | 2005-12-09 | Module power device and module power circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2847808Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191875B (en) * | 2007-06-01 | 2010-07-07 | 四川飞阳科技有限公司 | Single fiber bidirectional device based on PLC technology and its manufacture method |
| CN116430159A (en) * | 2023-06-14 | 2023-07-14 | 江西斐耳科技有限公司 | Multifunctional test system |
-
2005
- 2005-12-09 CN CNU2005201058595U patent/CN2847808Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191875B (en) * | 2007-06-01 | 2010-07-07 | 四川飞阳科技有限公司 | Single fiber bidirectional device based on PLC technology and its manufacture method |
| CN116430159A (en) * | 2023-06-14 | 2023-07-14 | 江西斐耳科技有限公司 | Multifunctional test system |
| CN116430159B (en) * | 2023-06-14 | 2023-09-26 | 江西斐耳科技有限公司 | Multifunctional test system |
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