CN204009646U - A kind of regulated power supply continuous current controller - Google Patents
A kind of regulated power supply continuous current controller Download PDFInfo
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- CN204009646U CN204009646U CN201420380032.4U CN201420380032U CN204009646U CN 204009646 U CN204009646 U CN 204009646U CN 201420380032 U CN201420380032 U CN 201420380032U CN 204009646 U CN204009646 U CN 204009646U
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Abstract
The utility model discloses a kind of regulated power supply continuous current controller, comprise constant voltage Switching Power Supply, voltage signal acquisition, amplify, set, comparator circuit, voltage amplitude regulating circuit and control voltage conversion circuit, the signal input part of voltage signal acquisition circuit connects the negative output terminal of constant voltage Switching Power Supply, voltage signal acquisition circuit is connected with voltage signal amplifying circuit, the signal output part of voltage signal amplifying circuit and voltage signal initialization circuit connects respectively voltage signal comparator circuit, the signal output part of voltage signal comparator circuit connects the signal input part of controlling voltage conversion circuit, the signal input part of controlling voltage conversion circuit also connects voltage amplitude regulating circuit, the signal output part of controlling voltage conversion circuit connects the control input end of constant voltage Switching Power Supply.The utility model compact conformation, the element of selecting is low cost, durable element, cost is low, long service life, while going wrong for ease of maintenaince.
Description
Technical field
The utility model belongs to power switch field, a kind of controller that constant adjustable current can be provided of specific design.
Background technology
Adjustable constant-current switch power source plays an important role to the stable of chip, but the constant-current type rearrangeable switch power supply on market is fewer, and inner structure is complicated, in a lot of situations, to produce with special-purpose chip constant adjustable electric current, this chip often price comparison is high, and when going wrong, be difficult to maintenance, existing constant-pressure type rearrangeable switch power supply is more, if utilize simple control circuit by constant-pressure type rearrangeable switch, adjust constant-current type rearrangeable switch power supply, significant for the research and development of adjustable constant-flow Switching Power Supply.
Utility model content
The utility model aims to provide a kind of regulated power supply continuous current controller, and cost is low, easy to use, constant voltage regulated power supply can be converted to constant current regulated power supply.
For solving the problems of the technologies described above, the utility model provides following technical scheme: a kind of regulated power supply continuous current controller, comprise constant voltage Switching Power Supply and power circuit, in described constant voltage Switching Power Supply, be provided with control input end, positive output end and negative output terminal, the operation that described power circuit is circuit provides direct supply, innovative point of the present utility model is: also comprise voltage signal acquisition circuit, voltage signal amplifying circuit, voltage signal initialization circuit, voltage signal comparator circuit, voltage amplitude regulating circuit, control voltage conversion circuit and load circuit, the signal input part of described voltage signal acquisition circuit connects the negative output terminal of constant voltage Switching Power Supply, the signal output part of voltage signal acquisition circuit connects the signal input part of voltage signal amplifying circuit, the signal output part of voltage signal amplifying circuit and voltage signal initialization circuit connects respectively the signal input part of voltage signal comparator circuit, the signal output part of described voltage signal comparator circuit connects the signal input part of controlling voltage conversion circuit, described control voltage conversion circuit also connects the signal output part of voltage amplitude regulating circuit, the signal output part of controlling voltage conversion circuit connects the control input end of constant voltage Switching Power Supply, described load circuit connects the positive output end of constant voltage Switching Power Supply.
Further, also comprise zeroing circuit, the signal input part of described zeroing circuit connects the signal output part of voltage signal initialization circuit, and the signal output part of zeroing circuit connects the signal input part of controlling voltage conversion circuit.
Further, described voltage signal acquisition circuit comprises sampling resistor, and described sampling resistor one end connects the negative output terminal of constant voltage Switching Power Supply and the signal input part of voltage signal amplifying circuit, other end ground connection.
Further, described voltage signal amplifying circuit comprises the first operational amplifier, two zeroing terminals of the first described operational amplifier connect by the first amplification adjustable resistance, the first adjustable end that amplifies adjustable resistance connects direct supply, the in-phase input end of the first described operational amplifier amplifies resistance eutral grounding by first, inverting input amplifies by second the negative output terminal that resistance connects constant voltage Switching Power Supply, by the first amplifying signal filter capacitor ground connection, on inverting input, also connect successively the second amplification adjustable resistance and reometer, the described second adjustable end that amplifies adjustable resistance connects the inverting input of the first operational amplifier, simultaneously by the first amplifying signal electric capacity and the second amplifying signal filter capacitor ground connection, the second amplifying signal filter capacitor also connects the output terminal of the first operational amplifier, the output terminal of the first operational amplifier also connects the signal input part of voltage signal comparator circuit.
Further, described voltage signal initialization circuit comprises sets resistance, setting adjustable resistance and stabilivolt, the first end of described setting adjustable resistance connects the first end of setting resistance, the second end of setting resistance connects direct supply, the second end of setting adjustable resistance connects the positive pole of stabilivolt, the negative pole of stabilivolt connects the first end of setting resistance, and the adjustable end of setting resistance connects voltage signal comparator circuit.
Further, described voltage signal comparator circuit comprises the second operational amplifier, first compares diode and the first comparison resistance, the in-phase input end of the second described operational amplifier connects the signal output part of voltage signal amplifying circuit, inverting input connects the signal output part of voltage signal initialization circuit, and output terminal by first, compares diode successively and the first comparison resistance connects the signal input part of controlling voltage setting circuit.
Further, described control voltage conversion circuit comprises triode, the first transfer resistance, the second transfer resistance, charge and discharge electric capacity, the 3rd operational amplifier, the 3rd transfer resistance, the 4th transfer resistance and translation filtering electric capacity, the base stage of described triode connects the signal output part of voltage signal comparator circuit and the signal output part of zeroing circuit, collector connects one end of the first transfer resistance, the other end of the first transfer resistance connects the signal output part of voltage amplitude regulating circuit by the second transfer resistance, the other end of the first transfer resistance also connects the positive plate that charges and discharge electric capacity, charge and discharge the negative plate ground connection of electric capacity, the emitter of described triode is ground connection also, the described positive plate that charges and discharge electric capacity also connects the in-phase input end of the 3rd operational amplifier, the inverting input of the 3rd operational amplifier connects the output terminal of the 3rd operational amplifier, the output terminal of the 3rd operational amplifier connects one end of the 3rd transfer resistance, the other end of the 3rd transfer resistance connects the control input end of constant voltage Switching Power Supply, one end of one end of the 4th transfer resistance and translation filtering electric capacity, the equal ground connection of the other end of the 4th transfer resistance and conversion electric capacity.
Further, described voltage amplitude regulating circuit comprises amplitude adjustable resistance and four-operational amplifier, the in-phase input end of described four-operational amplifier connects the adjustable end of amplitude adjustable resistance, one end of amplitude adjustable resistance connects direct supply, other end ground connection, on the in-phase input end of four-operational amplifier, be also connected with amplitude filter capacitor, the inverting input of four-operational amplifier connects the output terminal of four-operational amplifier, and the output terminal of four-operational amplifier also connects the second transfer resistance.
Further, described zeroing circuit comprises the 5th operational amplifier, the first zero-regulator resistor, the second zero-regulator resistor, zeroing diode and the 3rd zero-regulator resistor, the in-phase input end of the 5th described operational amplifier connects one end of the first zero-regulator resistor and the second zero-regulator resistor, the other end of the first zero-regulator resistor and the second zero-regulator resistor connects respectively direct supply and ground connection, the inverting input of the 5th operational amplifier connects the inverting input of the second operational amplifier, the output terminal of the 5th described operational amplifier connects the positive pole of zeroing diode, the negative pole of zeroing diode is by the base stage of the 3rd zero-regulator resistor connecting triode.
Further, described load circuit comprises pull-up resistor and the voltage table being connected in parallel, described voltage table one end connects the adjustable end of voltage adjustable resistance, one end of voltage adjustable resistance connects the positive output end of constant voltage Switching Power Supply, other end ground connection, the adjustable end of described voltage adjustable resistance is also by voltage filter capacity earth.
By above technical scheme, the beneficial effects of the utility model are: 1, circuit structure is compact, can realize well the object that constant voltage regulated power supply is converted to constant current regulated power supply; 2, the element of selecting is low-cost element, has reduced production cost, simultaneously easy to maintenance; 3, the element of selecting is durable type, has extended the serviceable life of this controller.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model embodiment;
Fig. 2 is the circuit theory diagrams of the utility model embodiment;
Fig. 3 is the power circuit principle figure of the utility model embodiment.
Embodiment
Below in conjunction with Figure of description, the invention will be further described with concrete preferred embodiment, but protection domain not thereby limiting the invention.
Regulated power supply continuous current controller as shown in Figure 1, comprise constant voltage Switching Power Supply, in constant voltage Switching Power Supply, be provided with positive output end, negative output terminal and control input end, also comprise voltage signal acquisition circuit, voltage signal amplifying circuit, voltage signal initialization circuit, voltage signal comparator circuit, voltage amplitude regulating circuit, control voltage conversion circuit, load circuit and zeroing circuit, described load circuit connects the positive output end of constant voltage Switching Power Supply, the signal input part of described voltage signal acquisition circuit connects the negative output terminal of constant voltage Switching Power Supply, the signal output part of voltage signal acquisition circuit connects the signal input part of voltage signal amplifying circuit, the signal output part of described voltage signal amplifying circuit and voltage signal initialization circuit connects the signal input part of voltage signal comparator circuit, the signal output part of current comparison circuit connects the signal input part of controlling voltage conversion circuit, the signal output part of controlling voltage conversion circuit connects the control input end of constant voltage Switching Power Supply, the signal output part of described voltage signal initialization circuit also connects the signal input part of zeroing circuit, the signal output part of zeroing circuit connects the signal input part of controlling voltage setting circuit, described control voltage setting circuit also connects the signal output part of voltage amplitude regulating circuit, also comprise power circuit, the operation that described power circuit is each circuit provides direct supply.
As shown in Figure 2, described constant voltage Switching Power Supply U1 provides adjustable constant voltage source, comprises positive output end (pin is OUT+), negative output terminal (pin is OUT-) and control input end (pin is IN).
Described load circuit is the load circuit of the steady current of regulated power supply continuous current controller, comprise the pull-up resistor Rfz and the voltage table U that are connected in parallel, by voltage table U, can read the magnitude of voltage at pull-up resistor Rfz two ends, then draw the current value in load, described voltage table U one end connects the adjustable end of voltage adjustable resistance RW1, one end of voltage adjustable resistance RW1 connects the positive output end of constant voltage Switching Power Supply U1, other end ground connection, the adjustable end of described voltage adjustable resistance RW1 is also by voltage filter capacitor C 1 ground connection, voltage filter capacitor C 1 can be disturbed by anti-stop signal, constant voltage Switching Power Supply is commercial product.
Described voltage signal acquisition circuit is for gathering the size of the output voltage of constant voltage Switching Power Supply U1, the size of this voltage directly reflects the size of constant voltage Switching Power Supply U1 output current, comprise sampling resistor R10, the signal collecting is the magnitude of voltage at sampling resistor R10 two ends, described sampling resistor R10 one end connects respectively negative output terminal and the voltage signal amplifying circuit of constant voltage Switching Power Supply U1, other end ground connection.
Described voltage signal amplifying circuit is for amplifying processing by the voltage signal collecting, comprise that the first operational amplifier U2(model is op-07), the two zeroing terminals (pin 1, pin 8) of described the first operational amplifier U2 connect respectively the two ends of the first amplification adjustable resistance RW20, the first adjustable end that amplifies adjustable resistance RW20 connects direct supply, the positive supply input end of described the first operational amplifier U2 (pin 7) connection+12V direct supply, negative supply input end (pin 4) connection-12V direct supply.The in-phase input end of described the first operational amplifier U2 (pin 3) amplifies resistance R 20 ground connection by first, inverting input amplifies by second the negative output terminal that resistance R 21 connects constant voltage Switching Power Supply U1, inverting input is simultaneously also by the first amplifying signal filter capacitor C20 ground connection, by the second amplification adjustable resistance RW21, connect reometer I, enlargement factor that can read current by reometer I, second amplifies adjustable resistance RW21 can calibrate the reading of reometer I, the output terminal that connects the first operational amplifier U2 by the first amplifying signal capacitor C 21, thereby the output signal of the first operational amplifier U2 is carried out to filtering processing, the output terminal of the first operational amplifier U2 is by the second amplifying signal filter capacitor C22 ground connection, the output terminal of the first operational amplifier U2 also connects the signal input part of voltage signal comparator circuit.
Described voltage signal initialization circuit is for setting the size of output steady current, comprise and set adjustable resistance RW40, set resistance R 40 and stabilivolt DW40, the first end of described setting adjustable resistance RW40 connects sets the first end of resistance R 40 and the negative pole of stabilivolt DW40, the second end of setting resistance R 40 connects direct supply, the second end of setting adjustable resistance RW40 connects the positive pole of stabilivolt DW40, the plus earth of stabilivolt DW40, the adjustable end of setting adjustable resistance RW40 connects the signal input part of voltage signal comparator circuit.
Described voltage signal comparator circuit is for comparing the current signal after amplifying and the current signal of setting, thereby output low and high level, comprise the second operational amplifier U3A, first compares diode D30 and the first comparison resistance R30, the in-phase input end of the second described operational amplifier U3A connects the output terminal of the second operational amplifier U2, inverting input connects the adjustable end of setting adjustable resistance RW40, the output terminal connection first of the second operational amplifier U3A is the positive pole of diode D30 relatively, the first negative pole that compares diode D30 connects the signal input part of controlling voltage conversion circuit by the first comparison resistance R30.
Described voltage amplitude regulating circuit is for regulating the voltage amplitude of output, comprise amplitude adjustable resistance RW60, four-operational amplifier U6A and amplitude filter capacitor C60, described four-operational amplifier U6A(model is TL084) in-phase input end connect the adjustable end of amplitude adjustable resistance RW60, one end of amplitude adjustable resistance RW60 connects direct supply, other end ground connection, the in-phase input end of four-operational amplifier U6A also connects amplitude filter capacitor C60, thereby carry out filtering to inputting the signal of four-operational amplifier U6A, prevent from disturbing, the inverting input of four-operational amplifier U6A connects output terminal, the output terminal of four-operational amplifier U6A connects controls voltage conversion circuit, thereby according to the output voltage amplitude of amplitude of accommodation adjustable resistance RW60 amplitude of accommodation adjustable resistance.
Described zeroing circuit is for when setting current signal is zero, making its output voltage is zero, the connection of carrying out load while preventing not power-off is caused danger, comprise that the 5th operational amplifier U5A(model is TL084), the first zero-regulator resistor R50, the second zero-regulator resistor R51, the 3rd zero-regulator resistor R52 and zeroing triode D50, the in-phase input end of the 5th described operational amplifier U5A connects one end of the first zero-regulator resistor R50 and the second zero-regulator resistor R51, the other end of the first zero-regulator resistor R50 and the second zero-regulator resistor R51 connects respectively direct supply and ground connection, the inverting input of the 5th operational amplifier U5A connects the signal output part of voltage signal initialization circuit, the output terminal of the 5th operational amplifier U5A connects the positive pole of zeroing diode D50, the negative pole of zeroing diode D50 connects the signal input part of controlling voltage conversion circuit by the 3rd zero-regulator resistor R52, thereby the partial pressure value on the magnitude of voltage of voltage signal initialization circuit and the second zero-regulator resistor R51 is compared, when the current value of voltage signal initialization circuit setting is zero, its magnitude of voltage is also zero, thereby make the 5th operational amplifier U5A output high level, be applied to and control on voltage conversion circuit, the output voltage that makes this controller is zero, thereby guaranteed to connect the safety of the situations such as load.
Described control voltage conversion circuit is for controlling constant voltage Switching Power Supply, thereby generate adjustable constant-current supply, comprise triode Q70, the first transfer resistance R72, the second transfer resistance R71, charge and discharge electric capacity C70, the 3rd operational amplifier U01A, the 3rd transfer resistance R01, the 4th transfer resistance R02, the base stage of described triode Q70 connects the first comparison resistance R30 and the 3rd zero-regulator resistor R52, thereby by the low and high level of voltage signal comparator circuit and zeroing circuit output, control conducting or the disconnection of triode Q70, collector connects one end of the first transfer resistance R70, the other end of the first transfer resistance R70 connects the first end of the second transfer resistance R71, and the positive plate that charges and discharge electric capacity C70, the second end of the second described transfer resistance R71 connects the signal output part of voltage amplitude regulating circuit, charge and discharge the negative plate ground connection of electric capacity C70, thereby voltage amplitude regulating circuit is as charging and discharging the electric capacity C70 charge power supply in when charging, it is TL084 that the positive plate that charges and discharge electric capacity C70 also connects the 3rd operational amplifier U01A(model) in-phase input end, the inverting input of the 3rd operational amplifier U01A connects the output terminal of the 3rd operational amplifier U01A, the output terminal of the 3rd operational amplifier U01A also connects one end of the 3rd transfer resistance R01, the other end of the 3rd transfer resistance R01 connects one end control inputs and the 4th transfer resistance R20 of constant voltage Switching Power Supply U1 and one end of translation filtering capacitor C 01, the other end ground connection of the other end of the 4th transfer resistance R20 and translation filtering capacitor C 01, when triode Q70 conducting, while being voltage signal comparator circuit output high level, the current value that current signal sample circuit is described is greater than the current value that voltage signal initialization circuit is set, thereby discharge to charging and discharging electric capacity C70, reduce the current value of output, otherwise, by voltage amplitude regulating circuit, to charging and discharging electric capacity C70, charge, improve the magnitude of voltage that charges and discharge electric capacity C70, thereby the current value of output is improved, play the object of output constant current value.
As shown in Figure 3, the operation that described power circuit is circuit module provides direct supply, comprise transformer T1, four bridge rectifier circuits that diode forms, two power filtering capacitors and two voltage stabilizing chips, described transformer T1 one end is by terminal L, N connects civil power, another termination bridge rectifier circuit, line voltage reduces after transformer T1, through bridge rectifier circuit, converting direct current to, the output terminal of bridge rectifier circuit connects respectively the first power filtering capacitor C1 and second source filter capacitor C2, it is 7812 that the output terminal of bridge rectifier circuit also connects respectively the first voltage stabilizing chip U01(model) and the input end (model is 7912) of the second voltage stabilizing chip U02, output terminal output+12V the direct supply of the first voltage stabilizing chip U01, simultaneously also by the 3rd power filtering capacitor C3 ground connection, output terminal output-12V the direct supply of the second voltage stabilizing chip U02, simultaneously also by the 4th power filtering capacitor C4 ground connection, thereby power circuit output direct supply.
The disclosed regulated power supply continuous current of the utility model controller architecture is compact, and the element of selecting is low cost, durable element, and cost is low, long service life, while going wrong for ease of maintenaince.
Claims (10)
1. a regulated power supply continuous current controller, comprise constant voltage Switching Power Supply and power circuit, in described constant voltage Switching Power Supply, be provided with control input end, positive output end and negative output terminal, the operation that described power circuit is circuit provides direct supply, it is characterized in that: also comprise voltage signal acquisition circuit, voltage signal amplifying circuit, voltage signal initialization circuit, voltage signal comparator circuit, voltage amplitude regulating circuit, control voltage conversion circuit and load circuit, the signal input part of described voltage signal acquisition circuit connects the negative output terminal of constant voltage Switching Power Supply, the signal output part of voltage signal acquisition circuit connects the signal input part of voltage signal amplifying circuit, the signal output part of voltage signal amplifying circuit and voltage signal initialization circuit connects respectively the signal input part of voltage signal comparator circuit, the signal output part of described voltage signal comparator circuit connects the signal input part of controlling voltage conversion circuit, described control voltage conversion circuit also connects the signal output part of voltage amplitude regulating circuit, the signal output part of controlling voltage conversion circuit connects the control input end of constant voltage Switching Power Supply, described load circuit connects the positive output end of constant voltage Switching Power Supply.
2. regulated power supply continuous current controller as claimed in claim 1, it is characterized in that: also comprise zeroing circuit, the signal input part of described zeroing circuit connects the signal output part of voltage signal initialization circuit, and the signal output part of zeroing circuit connects the signal input part of controlling voltage conversion circuit.
3. regulated power supply continuous current controller as claimed in claim 2, it is characterized in that: described voltage signal acquisition circuit comprises sampling resistor, described sampling resistor one end connects the negative output terminal of constant voltage Switching Power Supply and the signal input part of voltage signal amplifying circuit, other end ground connection.
4. regulated power supply continuous current controller as claimed in claim 3, it is characterized in that: described voltage signal amplifying circuit comprises the first operational amplifier, two zeroing terminals of the first described operational amplifier connect by the first amplification adjustable resistance, the first adjustable end that amplifies adjustable resistance connects direct supply, the in-phase input end of the first described operational amplifier amplifies resistance eutral grounding by first, inverting input amplifies by second the negative output terminal that resistance connects constant voltage Switching Power Supply, by the first amplifying signal filter capacitor ground connection, on inverting input, also connect successively the second amplification adjustable resistance and reometer, the described second adjustable end that amplifies adjustable resistance connects the inverting input of the first operational amplifier, simultaneously by the first amplifying signal electric capacity and the second amplifying signal filter capacitor ground connection, the second amplifying signal filter capacitor also connects the output terminal of the first operational amplifier, the output terminal of the first operational amplifier also connects the signal input part of voltage signal comparator circuit.
5. regulated power supply continuous current controller as claimed in claim 4, it is characterized in that: described voltage signal initialization circuit comprises sets resistance, setting adjustable resistance and stabilivolt, the first end of described setting adjustable resistance connects the first end of setting resistance, the second end of setting resistance connects direct supply, the second end of setting adjustable resistance connects the positive pole of stabilivolt, the negative pole of stabilivolt connects the first end of setting resistance, and the adjustable end of setting resistance connects voltage signal comparator circuit.
6. regulated power supply continuous current controller as claimed in claim 5, it is characterized in that: described voltage signal comparator circuit comprises the second operational amplifier, first compares diode and the first comparison resistance, the in-phase input end of the second described operational amplifier connects the signal output part of voltage signal amplifying circuit, inverting input connects the signal output part of voltage signal initialization circuit, and output terminal by first, compares diode successively and the first comparison resistance connects the signal input part of controlling voltage setting circuit.
7. regulated power supply continuous current controller as claimed in claim 6, it is characterized in that: described control voltage conversion circuit comprises triode, the first transfer resistance, the second transfer resistance, charge and discharge electric capacity, the 3rd operational amplifier, the 3rd transfer resistance, the 4th transfer resistance and translation filtering electric capacity, the base stage of described triode connects the signal output part of voltage signal comparator circuit and the signal output part of zeroing circuit, collector connects one end of the first transfer resistance, the other end of the first transfer resistance connects the signal output part of voltage amplitude regulating circuit by the second transfer resistance, the other end of the first transfer resistance also connects the positive plate that charges and discharge electric capacity, charge and discharge the negative plate ground connection of electric capacity, the emitter of described triode is ground connection also, the described positive plate that charges and discharge electric capacity also connects the in-phase input end of the 3rd operational amplifier, the inverting input of the 3rd operational amplifier connects the output terminal of the 3rd operational amplifier, the output terminal of the 3rd operational amplifier connects one end of the 3rd transfer resistance, the other end of the 3rd transfer resistance connects the control input end of constant voltage Switching Power Supply, one end of one end of the 4th transfer resistance and translation filtering electric capacity, the equal ground connection of the other end of the 4th transfer resistance and conversion electric capacity.
8. regulated power supply continuous current controller as claimed in claim 7, it is characterized in that: described voltage amplitude regulating circuit comprises amplitude adjustable resistance and four-operational amplifier, the in-phase input end of described four-operational amplifier connects the adjustable end of amplitude adjustable resistance, one end of amplitude adjustable resistance connects direct supply, other end ground connection, on the in-phase input end of four-operational amplifier, be also connected with amplitude filter capacitor, the inverting input of four-operational amplifier connects the output terminal of four-operational amplifier, the output terminal of four-operational amplifier also connects the second transfer resistance.
9. regulated power supply continuous current controller as claimed in claim 8, it is characterized in that: described zeroing circuit comprises the 5th operational amplifier, the first zero-regulator resistor, the second zero-regulator resistor, zeroing diode and the 3rd zero-regulator resistor, the in-phase input end of the 5th described operational amplifier connects one end of the first zero-regulator resistor and the second zero-regulator resistor, the other end of the first zero-regulator resistor and the second zero-regulator resistor connects respectively direct supply and ground connection, the inverting input of the 5th operational amplifier connects the inverting input of the second operational amplifier, the output terminal of the 5th described operational amplifier connects the positive pole of zeroing diode, the negative pole of zeroing diode is by the base stage of the 3rd zero-regulator resistor connecting triode.
10. regulated power supply continuous current controller as claimed in claim 9, it is characterized in that: described load circuit comprises pull-up resistor and the voltage table being connected in parallel, described voltage table one end connects the adjustable end of voltage adjustable resistance, one end of voltage adjustable resistance connects the positive output end of constant voltage Switching Power Supply, other end ground connection, the adjustable end of described voltage adjustable resistance is also by voltage filter capacity earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380032.4U CN204009646U (en) | 2014-07-10 | 2014-07-10 | A kind of regulated power supply continuous current controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380032.4U CN204009646U (en) | 2014-07-10 | 2014-07-10 | A kind of regulated power supply continuous current controller |
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| CN204009646U true CN204009646U (en) | 2014-12-10 |
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| CN201420380032.4U Expired - Fee Related CN204009646U (en) | 2014-07-10 | 2014-07-10 | A kind of regulated power supply continuous current controller |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110119177A (en) * | 2018-02-07 | 2019-08-13 | 珠海市一微半导体有限公司 | A kind of integrated circuit and its power circuit of low pressure manufacturing process |
| CN110988448A (en) * | 2019-12-12 | 2020-04-10 | 厦门市爱维达电子有限公司 | Filtering method applied to UPS bus voltage sampling |
| CN111220868A (en) * | 2020-01-17 | 2020-06-02 | 安徽国锦电力工程有限公司 | Intelligent monitoring system for extra-high voltage power transmission and transformation equipment |
| CN115268558A (en) * | 2022-08-22 | 2022-11-01 | 苏州智而卓数字科技有限公司 | Voltage and current universal output interface circuit |
-
2014
- 2014-07-10 CN CN201420380032.4U patent/CN204009646U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110119177A (en) * | 2018-02-07 | 2019-08-13 | 珠海市一微半导体有限公司 | A kind of integrated circuit and its power circuit of low pressure manufacturing process |
| CN110988448A (en) * | 2019-12-12 | 2020-04-10 | 厦门市爱维达电子有限公司 | Filtering method applied to UPS bus voltage sampling |
| CN111220868A (en) * | 2020-01-17 | 2020-06-02 | 安徽国锦电力工程有限公司 | Intelligent monitoring system for extra-high voltage power transmission and transformation equipment |
| CN115268558A (en) * | 2022-08-22 | 2022-11-01 | 苏州智而卓数字科技有限公司 | Voltage and current universal output interface circuit |
| CN115268558B (en) * | 2022-08-22 | 2024-03-22 | 苏州智而卓数字科技有限公司 | Universal output interface circuit for voltage and current |
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Granted publication date: 20141210 Termination date: 20210710 |
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| CF01 | Termination of patent right due to non-payment of annual fee |