CN205657586U - Wide voltage input's controllable power supply circuit - Google Patents

Wide voltage input's controllable power supply circuit Download PDF

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Publication number
CN205657586U
CN205657586U CN201620388480.8U CN201620388480U CN205657586U CN 205657586 U CN205657586 U CN 205657586U CN 201620388480 U CN201620388480 U CN 201620388480U CN 205657586 U CN205657586 U CN 205657586U
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China
Prior art keywords
limit switch
pressure limit
circuit
resistance
automatic shutoff
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CN201620388480.8U
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Chinese (zh)
Inventor
宋福归
李向宇
范建国
张伟
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Shanghai Liangxin Electrical Co Ltd
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Shanghai Liangxin Electrical Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

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Abstract

The utility model provides a wide voltage input's controllable power supply circuit which characterized in that: it includes turn -offs trigger level generating circuit (A) certainly, control signal conversion circuit (B), and voltage limiting switch circuit (C) and switching power supply circuit (D), output from turn -offing trigger level generating circuit (A) is connected with voltage limiting switch circuit (C) input, control signal conversion circuit (B) output be connected with voltage limiting switch circuit (C) input, voltage limiting switch circuit (C) output and switching power supply circuit's (D) input be connected. The utility model discloses adaptation wide region operating voltage, the product can not damage under the zero line connect the wrong condition with the live wire, and the circuit is small, has extremely low stand -by power consumption, has practiced thrift the energy.

Description

A kind of controllable power supply circuit of Width funtion input
Technical field
This utility model belongs to chopper multiplexe electric technology field, the most just relates to a kind of for circuit breaker electric The controllable power supply circuit of the Width funtion input of pneumatic operating mechanism.
Background technology
Miniature circuit breaker, is called for short MCB, is most popular a kind of whole during electric terminal power distribution equipment draws End protection electrical equipment.The motor-operating mechanism of chopper be one be for far distance automatic separating brake and combined floodgate open circuit A kind of adnexa of device, the development built along with intelligent grid, chopper and corresponding motor-operating mechanism are wanted Asking more and more higher, motor-operating mechanism is automatic divide-shut brake function except needs possess, and also requires that it has wide scope Operating voltage range, small and exquisite dimension volume, extremely low quiescent dissipation, the Applicable temperature etc. of wide scope, The problems referred to above to be solved, wiring board size needs to be made bigger, thus causes whole chopper to become large-sized, The outward appearance of product will be deteriorated, expend space, be unfavorable for actually used, also or its use voltage range meeting It is restricted, if zero line has been connected into live wire and this may result in product and burn by user's imprudence.
Utility model content
It is narrower that the purpose of this utility model is aiming at the electronic mechanism's running voltage of doing exercises of existing chopper, needs Want the technological deficiency that installing space is big, it is provided that a kind of Width funtion for electric operating mechanism of circuit-breaker inputs Controllable power supply circuit, adapts to wide scope running voltage, and in the case of zero line and live wire wrong, product will not damage, Circuit volume is little, has extremely low stand-by power consumption, has saved the energy.
Technical scheme
In order to realize above-mentioned technical purpose, the controllable electric power electricity of a kind of Width funtion input of this utility model design Road, it is characterised in that: it includes automatic shutoff triggering level generative circuit, control signal change-over circuit, pressure limiting On-off circuit and switching power circuit, the outfan of described automatic shutoff triggering level generative circuit and pressure limit switch Circuit input end is connected, described control signal change-over circuit outfan and pressure limit switch circuit input end phase Connecting, described pressure limit switch circuit output end is connected with the input of switching power circuit.
Further, described automatic shutoff triggering level generative circuit includes automatic shutoff the first resistance, automatic shutoff second Resistance, automatic shutoff electric capacity, automatic shutoff Zener diode or automatic shutoff transient voltage suppressor, described from Turning off the first resistance, automatic shutoff the second resistance and automatic shutoff electric capacity are sequentially connected in series, described automatic shutoff voltage stabilizing two pole It is connected in parallel that pipe or automatic shutoff transient voltage suppressor are connected on automatic shutoff electric capacity two ends.
Further, described pressure limit switch circuit includes pressure limit switch the first resistance, pressure limit switch the second resistance, Pressure limit switch Zener diode or pressure limit switch transient voltage suppressor or pressure limit switch varistor, institute With pressure limit switch the first field effect transistor after pressure limit switch the first resistance stated and pressure limit switch the second resistant series Or pressure limit switch audion or the driving stage of pressure limit switch insulated gate gate transistors and input pole are connected in parallel, Pressure limit switch the second field effect transistor or pressure limit switch audion or pressure limit switch insulated gate gate transistors and limit After first transient voltage suppressor that compresses switch or pressure limit switch Zener diode or varistor parallel connection with The driving stage of the first field effect transistor or audion or insulated gate gate transistors connects, described pressure limit switch voltage stabilizing Diode is connected even with the output stage of pressure limit switch the first field effect transistor after connecting with pressure limit switch electrochemical capacitor Connect, described pressure limit switch the second transient voltage suppressor or pressure limit switch Zener diode or pressure limit switch Varistor driving stage and output stage with pressure limit switch the first field effect transistor respectively is connected in parallel.
Further, described control signal change-over circuit includes that signal changes the first resistance, signal conversion second Resistance, signal conversion the 3rd resistance, signal conversion the 4th resistance, signal conversion audion or field effect transistor or Insulated gate gate transistors, described signal changes the first resistance and signal conversion audion or field effect transistor or exhausted The driving stage of edge fence gate gated transistors is connected, described signal change the second resistance and signal conversion audion or Field effect transistor or the driving stage of insulated gate gate transistors and output stage are in parallel, described signal conversion the 3rd resistance Being connected with the input pole of signal conversion audion or field effect transistor or insulated gate gate transistors, described signal turns Change the 4th resistance and signal conversion audion or the input pole of field effect transistor or insulated gate gate transistors and defeated Go out extremely in parallel.
Beneficial effect
The controllable electric that a kind of Width funtion for electric operating mechanism of circuit-breaker that this utility model provides inputs Source circuit, adapts to wide scope running voltage, and in the case of zero line and live wire wrong, product will not damage, circuit Volume is little, has extremely low stand-by power consumption, has saved the energy.
Accompanying drawing explanation
Accompanying drawing 1 is the circuit diagram of this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is described further.
Embodiment
As shown in Figure 1, the controllable power supply circuit of a kind of Width funtion input, it is characterised in that: it includes certainly Turn off triggering level generative circuit A, control signal change-over circuit B, pressure limit switch circuit C and Switching Power Supply Circuit D, the outfan of described automatic shutoff triggering level generative circuit A and pressure limit switch circuit C input Being connected, described control signal change-over circuit B outfan is connected with pressure limit switch circuit C input, Described pressure limit switch circuit C outfan is connected with the input of switching power circuit D.
Described automatic shutoff triggering level generative circuit A includes automatic shutoff the first resistance A_R1, automatic shutoff second Resistance A_R2, automatic shutoff electric capacity A_C, automatic shutoff Zener diode A_D or the suppression of automatic shutoff transient voltage Diode, described automatic shutoff the first resistance A_R1, automatic shutoff the second resistance A_R2 and automatic shutoff electric capacity A_C Being sequentially connected in series, described automatic shutoff Zener diode A_D or automatic shutoff transient voltage suppressor are connected on certainly Turn off electric capacity A_C two ends connected in parallel.
Described pressure limit switch circuit C includes pressure limit switch the first resistance C_R1, pressure limit switch the second resistance C_R2, pressure limit switch Zener diode C_D or pressure limit switch transient voltage suppressor or pressure limit switch Varistor, after described pressure limit switch the first resistance C_R1 connects with pressure limit switch the second resistance C_R2 With pressure limit switch the first field effect transistor C_Q1 or pressure limit switch audion or pressure limit switch insulated gate gate pole crystal Driving stage and the input pole of pipe are connected in parallel, pressure limit switch the second field effect transistor C_Q2 or pressure limit switch three pole Pipe or pressure limit switch insulated gate gate transistors and pressure limit switch the first transient voltage suppressor C_D1 or With the first field effect transistor C_Q1 or audion or insulation after pressure limit switch Zener diode or varistor parallel connection The driving stage of fence gate gated transistors connects, and described pressure limit switch Zener diode C_D is electrolysed with pressure limit switch After capacitances in series C_C, the output stage with pressure limit switch the first field effect transistor C_Q1 is connected in series, described pressure limiting Switch the second transient voltage suppressor C_D2 or pressure limit switch Zener diode or the pressure-sensitive electricity of pressure limit switch Resistance driving stage and output stage with pressure limit switch the first field effect transistor C_Q1 respectively is connected in parallel.
Described control signal change-over circuit B includes that signal changes the first resistance B_R1, signal conversion second Resistance B_R2, signal conversion the 3rd resistance B_R3, signal conversion the 4th resistance B_R4, signal conversion three Pole pipe B_D or field effect transistor or insulated gate gate transistors, described signal changes the first resistance B_R1 and letter The driving stage of number conversion audion or field effect transistor or insulated gate gate transistors is connected, and described signal is changed Second resistance B_R2 changes audion B_D or field effect transistor or the driving of insulated gate gate transistors with signal Pole and output stage are in parallel, described signal conversion the 3rd resistance B_R3 and signal conversion audion B_D or field effect Should manage or the input pole of insulated gate gate transistors connects, described signal conversion the 4th resistance B_R4_ and signal Change audion B_D or the input pole of field effect transistor or insulated gate gate transistors and output stage is in parallel.
In the present embodiment, automatic shutoff triggering level generative circuit A outfan connects pressure limit switch circuit C input End, after bus initial power-on time delay a period of time, automatic shutoff triggering level generative circuit A generates and closes power-off Flat, turn off pressure limit switch circuit C, voltage output turns off, and circuit enters extremely low static stand-by power consumption state, Pressure limit switch circuit and switching power circuit do not work;
When product needed action, the unblock that control signal change-over circuit (B) receives from control unit is believed Number, the block level of automatic shutoff triggering level generative circuit A is released from, and pressure limit switch circuit C works, After busbar voltage carries out pressure limiting, output is to its outfan;
C_Q1, C_D1, C_D2, C_R1, C_R2 within pressure limit switch circuit C constitutes pressure limiting and opens Closing, when front end input voltage is higher, this circuit will exceed voltage segment and drop on C_Q1, it is ensured that limit Compress switch circuit C output voltage back-end circuit security of system work in the range of, when front end output voltage relatively Time low, this circuit dynamically regulates, and discharges whole voltages to back-end circuit, thus realizes wide-voltage range work Make;C_Q2 in this circuit is received from the block level turning off triggering level generative circuit outfan simultaneously, Static standby time, receive block level and close the output of whole circuit, it is ensured that extremely low standby of Circuits System Power consumption.
Switching power circuit D input connects pressure limit switch circuit C outfan, and switching power circuit D will High voltage is converted into and controls the low amplitude value voltage that detector unit can be born, these switching power circuit reliably working feelings The input voltage that can bear under condition not can exceed that DC-380V, but its circuit compact, it is stable and reliable in work, Coordinate front end pressure limit switch circuit C, it is possible to reliably working under the busbar voltage more than DC-380V, and Realize expectation function, and by product miniaturization.
The controllable electric that a kind of Width funtion for electric operating mechanism of circuit-breaker that this utility model provides inputs Source circuit, adapts to wide scope running voltage, and in the case of zero line and live wire wrong, product will not damage, circuit Volume is little, has extremely low stand-by power consumption, has saved the energy.

Claims (4)

1. the controllable power supply circuit of a Width funtion input, it is characterised in that: it includes that automatic shutoff triggers electricity Flat generative circuit (A), control signal change-over circuit (B), pressure limit switch circuit (C) and switching power circuit (D), The outfan of described automatic shutoff triggering level generative circuit (A) is connected with pressure limit switch circuit (C) input, Described control signal change-over circuit (B) outfan is connected with pressure limit switch circuit (C) input, described Pressure limit switch circuit (C) outfan is connected with the input of switching power circuit (D).
The controllable power supply circuit of a kind of Width funtion the most as claimed in claim 1 input, it is characterised in that: Described automatic shutoff triggering level generative circuit (A) includes automatic shutoff the first resistance (A_R1), automatic shutoff the second electricity Resistance (A_R2), automatic shutoff electric capacity (A_C), automatic shutoff Zener diode (A_D) or the suppression of automatic shutoff transient voltage Diode, described automatic shutoff the first resistance (A_R1), automatic shutoff the second resistance (A_R2) and automatic shutoff electric capacity (A_C) it is sequentially connected in series, described automatic shutoff Zener diode (A_D) or automatic shutoff transient voltage suppressor pipe It is connected on automatic shutoff electric capacity (A_C) two ends connected in parallel.
The controllable power supply circuit of a kind of Width funtion the most as claimed in claim 1 input, it is characterised in that: Described pressure limit switch circuit (C) includes pressure limit switch the first resistance (C_R1), pressure limit switch the second resistance (C_R2), pressure limit switch Zener diode (C_D) or pressure limit switch transient voltage suppressor or pressure limiting are opened Closing varistor, described pressure limit switch the first resistance (C_R1) is connected with pressure limit switch the second resistance (C_R2) Afterwards with pressure limit switch the first field effect transistor (C_Q1) or pressure limit switch audion or pressure limit switch insulated gate gate pole Driving stage and the input pole of transistor are connected in parallel, pressure limit switch the second field effect transistor (C_Q2) or pressure limit switch Audion or pressure limit switch insulated gate gate transistors and pressure limit switch the first transient voltage suppressor (C_D1) with the first field effect transistor (C_Q1) or three or after pressure limit switch Zener diode or varistor parallel connection The driving stage of pole pipe or insulated gate gate transistors connects, described pressure limit switch Zener diode (C_D) and limit The electrochemical capacitor that compresses switch series connection (C_C) output stage with pressure limit switch the first field effect transistor (C_Q1) afterwards connect company Connect, described pressure limit switch the second transient voltage suppressor (C_D2) or pressure limit switch Zener diode or limit The varistor that compresses switch is in parallel with the driving stage of pressure limit switch the first field effect transistor (C_Q1) and output stage respectively Connect.
The controllable power supply circuit of a kind of Width funtion the most as claimed in claim 1 input, it is characterised in that: Described control signal change-over circuit (B) includes that signal changes the first resistance (B_R1), signal conversion the second electricity Resistance (B_R2), signal conversion the 3rd resistance (B_R3), signal conversion the 4th resistance B_R4, signal conversion three Pole pipe (B_D) or field effect transistor or insulated gate gate transistors, described signal change the first resistance (B_R1) with The driving stage of signal conversion audion or field effect transistor or insulated gate gate transistors is connected, described signal Change the second resistance (B_R2) and change audion (B_D) or field effect transistor or insulated gate gate transistors with signal Driving stage and output stage in parallel, described signal conversion the 3rd resistance (B_R3) and signal conversion audion (B_D) Or the input pole of field effect transistor or insulated gate gate transistors connects, described signal conversion the 4th resistance (B_R4_ With signal conversion audion (B_D) or the input pole of field effect transistor or insulated gate gate transistors and output stage also Connection.
CN201620388480.8U 2016-04-29 2016-04-29 Wide voltage input's controllable power supply circuit Active CN205657586U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620388480.8U CN205657586U (en) 2016-04-29 2016-04-29 Wide voltage input's controllable power supply circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620388480.8U CN205657586U (en) 2016-04-29 2016-04-29 Wide voltage input's controllable power supply circuit

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107231084A (en) * 2016-04-29 2017-10-03 上海良信电器股份有限公司 A kind of controllable power supply circuit of Width funtion input

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107231084A (en) * 2016-04-29 2017-10-03 上海良信电器股份有限公司 A kind of controllable power supply circuit of Width funtion input
CN107231084B (en) * 2016-04-29 2023-12-12 上海良信电器股份有限公司 Controllable power supply circuit with wide voltage input

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