WO2022011645A1 - Power supply device and sunlight simulation device - Google Patents

Power supply device and sunlight simulation device Download PDF

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Publication number
WO2022011645A1
WO2022011645A1 PCT/CN2020/102433 CN2020102433W WO2022011645A1 WO 2022011645 A1 WO2022011645 A1 WO 2022011645A1 CN 2020102433 W CN2020102433 W CN 2020102433W WO 2022011645 A1 WO2022011645 A1 WO 2022011645A1
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WO
WIPO (PCT)
Prior art keywords
connector
pin
pfc
circuit
resistor
Prior art date
Application number
PCT/CN2020/102433
Other languages
French (fr)
Chinese (zh)
Inventor
匡骁
Original Assignee
深圳市骁阳工程咨询有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市骁阳工程咨询有限公司 filed Critical 深圳市骁阳工程咨询有限公司
Priority to PCT/CN2020/102433 priority Critical patent/WO2022011645A1/en
Priority to DE212020000155.3U priority patent/DE212020000155U1/en
Publication of WO2022011645A1 publication Critical patent/WO2022011645A1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/36—Means for starting or stopping converters
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies 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

Definitions

  • the utility model relates to the technical field of driving power supplies, in particular to a power supply device and a sunlight simulation device.
  • the sunlight simulation device In the current use of the sunlight simulation device, it supplies power to the lighting circuit of the sunlight simulation device through the power input.
  • the instability of the mains input leads to the instability of the power input of the sunlight simulation equipment, and a constant voltage circuit needs to be processed to ensure the stability of the input voltage of the lighting circuit, so that the brightness of the lighting circuit is stable.
  • the technical problem to be solved by the present invention is to provide a power supply device and a sunlight simulation device in view of the above-mentioned part of the technical defects of the prior art.
  • the technical solution adopted by the utility model to solve the technical problem is: constructing a power supply device, comprising: a power supply module and a PFC control module pluggably connected to the power supply module;
  • the power module includes: a power input terminal for connecting to the mains input, a first connector for connecting the power input terminal, a current sampling circuit for connecting the power input terminal and the first connector, and a first connector for connecting the power input terminal and the first connector.
  • the PFC control module includes: a second connector pluggably connected to the first connector, a PFC control unit connected to the second connector, and a PFC control unit connected to the second connector. Voltage sampling circuit.
  • the voltage sampling circuit includes: connecting the first end of the PFC control unit with the sixth pin of the second connector, a first voltage sampling circuit for acquiring a working sampling voltage, and connecting the PFC control unit The second end of the second connector and the fifth pin of the second connector, a second voltage sampling circuit for obtaining the over-protection sampling voltage; and/or
  • the power input terminal includes a first input terminal and a second input terminal
  • the second input end is respectively connected to the fourth pin of the first connector and the first end of the current sampling circuit, and the second end of the current sampling circuit is connected to the first tube of the first connector feet and ground.
  • the PFC control unit includes a PFC chip U1 and an RC compensation unit connected to the PFC chip U1;
  • the first pin of the PFC chip U1 is connected to the first pin of the second connector
  • the second pin of the PFC chip U1 is connected to the first pin of the second connector through a resistor R4;
  • the third pin of the PFC chip U1 is connected to the first pin of the second connector through a capacitor C7;
  • the fourth pin of the PFC chip U1 is connected to the fifth pin of the second connector
  • the fifth pin of the PFC chip U1 is connected to the first pin of the second connector through the RC compensation unit;
  • the sixth pin of the PFC chip U1 is connected to the sixth pin of the second connector
  • the seventh pin of the PFC chip U1 is connected to the third pin of the second connector through a resistor R7;
  • the eighth pin of the PFC chip U1 is connected to the second pin of the second connector, and is connected to the first pin of the second connector through the diode D1;
  • the first pin of the second connector is grounded.
  • the device model used by the PFC chip U1 is the PFC chip 1150 .
  • the current sampling circuit includes a resistor R1 and a resistor R2; the resistor R1 and the resistor R2 are connected in parallel, one end is connected to the second input end, and the other end is grounded; and/or
  • the PFC start-up unit includes a MOS transistor Q8; the gate of the MOS transistor Q8 is used to input a control level, the source of the MOS transistor Q8 is grounded, and the gate of the MOS transistor Q8 is connected to the first connector the fifth pin.
  • the PFC unit includes a boost inductor L1, a RD drive circuit, a boost switch circuit, a voltage regulator circuit, a boost diode D1 and an output filter circuit;
  • the first end of the boost inductor L1 is connected to the first input end, and the second end of the boost inductor L1 is respectively connected to the anode of the boost diode D1 and the first end of the boost switch circuit,
  • the cathode of the boost diode D1 is connected to the voltage output end and the first end of the output filter circuit, and the second end of the output filter circuit is grounded;
  • the first end of the RD drive circuit is connected to the second pin of the first connector, and the second end of the RD drive circuit is connected to the control end of the boost switch circuit and the voltage regulator circuit 155 respectively.
  • the first end, the second end of the voltage regulator circuit 155 and the second end of the boost switch circuit are grounded respectively.
  • the RD driving circuit includes a resistor R14 and a diode D14, the resistor R14 is connected in parallel with the diode D14, the anode of the diode D14 is connected to the control terminal of the boost switch circuit, and the cathode of the diode D14 is connected to the the second pin of the first connector; and/or
  • the boost switch circuit includes a MOS transistor Q1, the gate of the MOS transistor Q1 is connected to the RD driving circuit, the source of the MOS transistor Q1 is grounded, and the drain of the MOS transistor Q1 is connected to the voltage output terminal ;and / or
  • the voltage regulator circuit 155 includes a resistor R12 and a voltage regulator tube D9, the resistor R12 is connected in parallel with the voltage regulator tube D9, the positive electrode of the voltage regulator tube D9 is grounded, and the negative electrode of the voltage regulator tube D9 is connected to the voltage regulator tube D9. the gate of MOS transistor Q1; and/or
  • the anode of the boost diode D1 is connected to the boost inductor L1 and the boost drive circuit respectively, and the cathode of the boost diode D1 is connected to the output filter circuit 152; and/or
  • the output filter circuit 152 includes a capacitor C16, a capacitor C17, a capacitor C18 and a capacitor C19; the capacitor C16, the capacitor C17, the capacitor C18 and the capacitor C19 are connected in parallel, one end is connected to the negative electrode of the boost diode D1, and the other end is grounded.
  • the PFC unit further includes an RC absorption loop and/or a discharge loop connected to the boost diode D1;
  • the first end of the RC absorption loop is connected to the anode of the boost diode D1, and the second end of the RC absorption loop is connected to the cathode of the boost diode D1;
  • the first end of the bleeder circuit is connected to the cathode of the boost diode D1, and the second end of the bleeder circuit is grounded.
  • the RC absorption loop includes a resistor R3 and a capacitor C2, the resistor R3 is connected in series with the capacitor C2, one end is connected to the positive electrode of the boost diode D1, and the other end is connected to the negative electrode of the boost diode D1; and/or
  • the discharge loop includes a resistor R6, one end of the resistor R6 is connected to the negative electrode of the boost diode D1, and the other end of the resistor R6 is grounded.
  • the utility model also constructs a sunlight simulation device, which includes the power supply device described in any one of the above.
  • the power supply equipment and the sunlight simulation equipment implemented by the utility model have the following beneficial effects: the output power can be stabilized and the equipment efficiency can be improved.
  • Fig. 1 is the structural representation of a kind of power supply equipment of the present utility model
  • FIG. 2 is a circuit schematic diagram of a first embodiment of a power supply device of the present invention
  • FIG. 3 is a circuit schematic diagram of a second embodiment of a power supply device of the present invention.
  • a power supply device of the present invention in an embodiment of a power supply device of the present invention, it includes: a power supply module 100 and a PFC control module 200 that is pluggably connected to the power supply module 100 ; the power supply module 100 includes: a power supply module for connecting to commercial power The input power input terminal 110, the first connector 120 connected to the power input terminal 110, the current sampling circuit 130 connected to the power input terminal 110 and the first connector 120, the PFC start unit 170 and the PFC unit connected to the first connector 120 150.
  • the PFC control module 200 includes: a second connector 220 pluggably connected to the first connector 120, and a PFC control unit connected to the second connector 220
  • the unit 210 is connected to the PFC control unit 210 and the voltage sampling circuit 230 of the first connector 120 .
  • the power module 100 and the PFC control module 200 are pluggably connected through the first connector 120 and the second connector 220 .
  • the PFC control module 200 obtains the activation control level sent by the PFC activation unit 170 through the first connector 120 and the second connector 220, The PFC control module 200 starts working.
  • the PFC control module 200 obtains the current sampling of the current sampling circuit 130 through the first connector 120 and the second connector 220
  • the voltage sampling circuit 230 obtains the current sampling of the voltage output terminal 160 through the first connector 120 and the second connector 220 .
  • the PFC control unit 210 in the PFC control module 200 generates a corresponding driving signal according to the circuit sampling and the voltage sampling, and outputs the driving signal through the first connector 120 and the second connector 220 to drive the PFC unit 150
  • the PFC unit 150 works to boost the voltage to adjust the power factor, and the output waveform is a sine wave with the same frequency and phase as the AC input mains voltage to achieve power factor correction.
  • the final output voltage is output through the voltage output terminal 160.
  • the PFC control unit 210 performs voltage regulation control on the output voltage of the voltage output terminal 160 according to the sampled voltage.
  • the eighth pin of the second connector 220 is connected to the voltage sampling circuit 230 for outputting the output voltage of the voltage output terminal 160 ; specifically, the output voltage of the voltage output terminal 160 passes through the first connector 120 and The eighth pin connected to each other of the second connector 220 is input to the PFC control module 200 , and the output voltage is sampled by the voltage sampling circuit 230 of the PFC control module 200 .
  • the voltage sampling circuit 230 includes: a first voltage sampling circuit 230 that is respectively connected to the first end of the PFC control unit 210 and the sixth pin of the second connector 220, and used to obtain the working sampling voltage; The second terminal of the unit 210 and the fifth pin of the second connector 220, and the second voltage sampling circuit 230 for obtaining the over-protection sampling voltage.
  • the PFC control module 200 can obtain the working sampling voltage of the output voltage through the first voltage sampling circuit 231 for sampling the output voltage in the power module 100, and the PFC control unit 210 in the PFC control module 200 outputs a control signal according to the working sampling voltage to The output voltage of the power module 100 is controlled.
  • the PFC control module 200 can also obtain the protection sampling voltage of the output voltage through the second voltage sampling circuit 232 for sampling the output voltage in the power module 100 , that is, when the protection sampling voltage has an overvoltage, the PFC control module 200 turns off the PFC
  • the output of the control unit 210 causes the PFC unit 150 in the power module 100 to be turned off, and the power module 100 ends the PFC boosting process to protect the power module 100 and its subsequent working circuits.
  • the working sampling voltage obtained by the first voltage sampling circuit 231 is input to the first end of the PFC control unit 210 through the sixth pin of the first connector 120 and the second connector 220, and the protection sampling obtained by the second voltage sampling circuit 232 The voltage is input to the second terminal of the PFC control unit 210 through the fifth pins of the first connector 120 and the second connector 220 .
  • the first voltage sampling circuit 2311 may include a resistor R25, a resistor R26 and a resistor R27, the resistor R25, the resistor R26 and the resistor R27 are connected in series, one end is connected to the eighth pin of the second connector 220, and the other end is grounded.
  • the second voltage sampling circuit 232 may include a resistor R28, a resistor R29, a resistor R210 and a capacitor C28, the resistor R28, the resistor R29 and the resistor R210 are connected in series, the capacitor C28 is connected in parallel with the resistor R210, and one end of the resistor R28 is connected to the second connector 220 One end of the resistor R29 is connected to the resistor R28 , and the other end is connected to the fifth pin of the second connector 220 .
  • the PFC control unit 210 includes a PFC chip U1 and an RC compensation unit 211 connected to the PFC chip U1; the first pin of the PFC chip U1 is connected to the first pin of the second connector 220; the second tube of the PFC chip U1 The pin is connected to the first pin of the second connector 220 via the resistor R4; the third pin of the PFC chip U1 is connected to the first pin of the second connector 220 via the capacitor C7; the fourth pin of the PFC chip U1 is connected to the second pin The fifth pin of the connector 220; the fifth pin of the PFC chip U1 is connected to the first pin of the second connector 220 through the RC compensation unit; the sixth pin of the PFC chip U1 is connected to the sixth pin of the second connector 220 pin; the seventh pin of the PFC chip U1 is connected to the third pin of the second connector 220 through the resistor R7; the eighth pin of the PFC chip U1 is connected to the second pin of the second connector 220, and is connected to the second pin of
  • the PFC control unit 210 may use a PFC chip U1, which further includes an RC compensation circuit of the PFC chip U1, which can ensure that the PFC chip U1 is in a stable working state through the RC compensation circuit.
  • the connection relationship between the PFC chip U1 and the second connector 220 is as described above.
  • the RC compensation circuit 211 includes a resistor R24, a capacitor C22 and a capacitor C23, wherein the resistor R24 is connected in series with the capacitor C22 and then connected in parallel with the capacitor C23. After being connected in parallel, one end is connected to the fifth pin of the PFC chip U1, the other end is grounded, and the first pin of the second connector 220 is grounded.
  • the device model used by the PFC chip U1 is the PFC chip 1150.
  • the power input terminal 110 includes a first input terminal and a second input terminal; the second input terminal is respectively connected to the fourth pin of the first connector 120 and the first terminal of the current sampling circuit 130, and the current sampling circuit The second end of the 130 is connected to the first pin of the first connector 120 and grounded.
  • the second power input terminal is used to connect the negative input terminal of the power input terminal, and the current sampling circuit 130 which is set to ground samples the current of the power input terminal 110 , and the sampling current passes through the first connector 120
  • the fourth pin of the second connector 220 is sent to the PFC control module 200 .
  • the first pin of the first connector 120 is grounded, and the first pin of the first connector 120 and the second connector 220 form a common ground arrangement of the power module 100 and the PFC control module 200 .
  • the current sampling circuit 130 includes a resistor R1 and a resistor R2; the resistor R1 and the resistor R2 are connected in parallel, one end is connected to the second input terminal, and the other end is grounded; The current sampling of the power input terminal 110 is performed to obtain the sampling current.
  • the PFC start-up unit 170 includes a MOS transistor Q8; the gate of the MOS transistor Q8 is used to input the control level, the source of the MOS transistor Q8 is grounded, and the gate of the MOS transistor Q8 is connected to the fifth transistor of the first connector 120. foot.
  • the PFC start-up unit 170 may include a MOS transistor Q8, the gate of which receives a control level, and the MOS transistor Q8 is turned on or off according to the control level, so as to connect the first connector 120 and the second connector 220.
  • the fourth pin of the PFC chip U1 of the fifth pin is driven or not driven to control the PFC chip U1 to work or not to work.
  • the PFC unit includes a boost inductor L1, an RD drive circuit 151, a boost switch circuit, a voltage regulator circuit 155, a boost diode D1 and an output filter circuit 152; the first end of the boost inductor L1 is connected to the first input end , the second end of the boost inductor L1 is respectively connected to the positive electrode of the boost diode D1 and the first end of the boost switch circuit, the negative electrode of the boost diode D1 is connected to the voltage output end 160 and the first end of the output filter circuit 152, and the output filter The second end of the circuit 152 is grounded; the first end of the RD drive circuit 151 is connected to the second pin of the first connector, and the second end of the RD drive circuit 151 is connected to the control end of the boost switch circuit and the voltage regulator circuit 155 respectively.
  • the first end, the second end of the voltage regulator circuit 155 and the second end of the boost switch circuit are grounded respectively.
  • the input voltage of its power input terminal is output through the voltage output terminal 160 through the boost inductor L1 and the boost diode D1 in turn, and the boost process of the boost diode D1 is controlled by the RD drive circuit 151, the voltage regulator circuit 155 and the boost switch circuit. , to achieve the required voltage output.
  • the RD driving circuit 151 includes a resistor R14 and a diode D14, the resistor R14 is connected in parallel with the diode D14, the anode of the diode D14 is connected to the control terminal of the boost switch circuit, and the cathode of the diode D14 is connected to the voltage output terminal 160 ;
  • the driving signal of the RD drive circuit 151 turns on the boost switch circuit, the diode D14 does not work.
  • the boost switch circuit is turned off, the equivalent input capacitance of the boost switch circuit is turned on by the diode D14 to make the boost
  • the equivalent input capacitance of the switching circuit is rapidly discharged through the resistor R14 loop, so that the boost switching circuit can smoothly enter the next switching cycle.
  • the boost switch circuit includes a MOS transistor Q1, the gate of the MOS transistor Q1 is connected to the RD driving circuit 151, the source of the MOS transistor Q1 is grounded, and the drain of the MOS transistor Q1 is connected to the voltage output terminal 160; Specifically, It can be turned on or off through the MOS transistor Q1 as a boost switch circuit. It can carry out the stable output of the gate driving voltage through the voltage regulator circuit 155.
  • the voltage regulator circuit 155 includes a resistor R12 and a voltage regulator tube D9, the resistor R12 is connected in parallel with the voltage regulator tube D9, the positive electrode of the voltage regulator tube D9 is grounded, and the voltage regulator is connected to the ground.
  • the cathode of the transistor D9 is connected to the gate of the MOS transistor Q1.
  • the output filter circuit 152 includes a capacitor C16, a capacitor C17, a capacitor C18, and a capacitor C19; the capacitor C16, the capacitor C17, the capacitor C18, and the capacitor C19 are connected in parallel, and one end is connected to the negative electrode of the boost diode D1, and the other end is grounded.
  • the MOS transistor Q1 drives the diode D1 to boost the voltage, and the output voltage of the boost diode D1 is filtered by the output filter circuit 152 and then used as the output voltage of the voltage output terminal 160 .
  • the output filter circuit 152 can be formed by connecting capacitors in parallel. Large-capacity capacitors and small-capacity capacitors are connected in parallel.
  • Large-capacity capacitors play the role of output voltage filtering and stabilize the output voltage. Small-capacity capacitors are used to filter out high-frequency interference. Generally, large-capacity electrolytic capacitors have poor high-frequency characteristics. Small capacitors are used to improve the high-frequency filtering characteristics of large-capacity electrolytic capacitors.
  • the PFC unit 150 further includes an RC absorption loop 153 and/or a discharge loop 154 connected to the boost diode D1; the first end of the RC absorption loop 153 is connected to the anode of the boost diode D1, and the second end of the RC absorption loop 153 The terminal is connected to the cathode of the boost diode D1; the first terminal of the discharge loop 154 is connected to the cathode of the boost diode D1, and the second terminal of the discharge loop 154 is grounded.
  • the RC absorption loop 153 includes a resistor R3 and a capacitor C2, the resistor R3 is connected in series with the capacitor C2, one end is connected to the anode of the boost diode D1, and the other end is connected to the cathode of the boost diode D1;
  • the discharge loop 154 includes a resistor R6, One end of the resistor R6 is connected to the cathode of the boost diode D1, and the other end of the resistor R6 is grounded.
  • the power consumption on the boost diode D1 can be reduced through the RC absorption loop 153 .
  • the discharge circuit 152 ensures that the charge on the output filter capacitor is discharged when the output load is open, so as to protect the circuit.
  • both the first connector 120 and the second connector 220 are DB9 connectors.
  • a sunlight simulation device of the present invention can be powered by the power supply device described above.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Abstract

A power supply device and a sunlight simulation device. The power supply device comprises: a power module (100) and a PFC control module (200) pluggably connected to the power module (100). The power module (100) comprises: a power input terminal (110) connected to a mains input, a first connector (120) connected to the power input terminal (110), a current sampling circuit (130) connected to the power input terminal (110) and the first connector (120), a PFC enable unit (170) and a PFC unit (150) connected to the first connector (120), and a voltage output terminal (160) connected to the PFC unit (150) and the first connector (120). The PFC control module (200) comprises: a second connector (220) pluggably connected to the first connector (120), a PFC control unit (210) connected to the second connector (220), and a voltage sampling circuit (230) connected to the PFC control unit (210) and the second connector (220). The power supply device can stabilize the output power and improve the device efficiency.

Description

一种供电设备及阳光模拟设备A kind of power supply equipment and sunlight simulation equipment 技术领域technical field
本实用新型涉及驱动电源技术领域，更具体地说，涉及一种供电设备及阳光模拟设备。The utility model relates to the technical field of driving power supplies, in particular to a power supply device and a sunlight simulation device.
背景技术Background technique
在当前阳光模拟设备使用中，其通过电源输入对阳光模拟设备的发光电路进行供电。在一些应用场景中，市电输入的不稳定导致阳光模拟设备的电源输入不稳定，需要恒压电路进行处理以保证发光电路的输入电压稳定，使得发光电路亮度稳定。In the current use of the sunlight simulation device, it supplies power to the lighting circuit of the sunlight simulation device through the power input. In some application scenarios, the instability of the mains input leads to the instability of the power input of the sunlight simulation equipment, and a constant voltage circuit needs to be processed to ensure the stability of the input voltage of the lighting circuit, so that the brightness of the lighting circuit is stable.
技术问题technical problem
本实用新型要解决的技术问题在于，针对现有技术的上述部分技术缺陷，提供一种供电设备及阳光模拟设备。The technical problem to be solved by the present invention is to provide a power supply device and a sunlight simulation device in view of the above-mentioned part of the technical defects of the prior art.
技术解决方案technical solutions
本实用新型解决其技术问题所采用的技术方案是：构造一种供电设备，包括：电源模块及与所述电源模块可插拔连接的PFC控制模块；The technical solution adopted by the utility model to solve the technical problem is: constructing a power supply device, comprising: a power supply module and a PFC control module pluggably connected to the power supply module;
所述电源模块包括：用于连接市电输入的电源输入端、连接所述电源输入端的第一连接器、连接所述电源输入端和所述第一连接器的电流取样电路、连接所述第一连接器的PFC启动单元和PFC单元、以及连接所述PFC单元和所述第一连接器的电压输出端；The power module includes: a power input terminal for connecting to the mains input, a first connector for connecting the power input terminal, a current sampling circuit for connecting the power input terminal and the first connector, and a first connector for connecting the power input terminal and the first connector. A PFC start-up unit and a PFC unit of a connector, and a voltage output connecting the PFC unit and the first connector;
所述PFC控制模块包括：与所述第一连接器可插拔连接的第二连接器、连接所述第二连接器的PFC控制单元、连接所述PFC控制单元和所述第二连接器的电压取样电路。The PFC control module includes: a second connector pluggably connected to the first connector, a PFC control unit connected to the second connector, and a PFC control unit connected to the second connector. Voltage sampling circuit.
优选地，Preferably,
所述电压取样电路包括：连接所述PFC控制单元的第一端与所述第二连接器的第六管脚、用于获取工作取样电压的第一电压取样电路，和连接所述PFC控制单元的第二端与所述第二连接器的第五管脚、用于获取过保护取样电压的第二电压取样电路；和/或The voltage sampling circuit includes: connecting the first end of the PFC control unit with the sixth pin of the second connector, a first voltage sampling circuit for acquiring a working sampling voltage, and connecting the PFC control unit The second end of the second connector and the fifth pin of the second connector, a second voltage sampling circuit for obtaining the over-protection sampling voltage; and/or
所述电源输入端包括第一输入端和第二输入端；the power input terminal includes a first input terminal and a second input terminal;
所述第二输入端分别连接所述第一连接器的第四管脚和所述电流取样电路的第一端，所述电流取样电路的第二端连接所述第一连接器的第一管脚并接地。The second input end is respectively connected to the fourth pin of the first connector and the first end of the current sampling circuit, and the second end of the current sampling circuit is connected to the first tube of the first connector feet and ground.
优选地，Preferably,
所述PFC控制单元包括PFC芯片U1和连接所述PFC芯片U1的RC补偿单元；The PFC control unit includes a PFC chip U1 and an RC compensation unit connected to the PFC chip U1;
所述PFC芯片U1的第一管脚连接所述第二连接器的第一管脚；The first pin of the PFC chip U1 is connected to the first pin of the second connector;
所述PFC芯片U1的第二管脚经电阻R4连接所述第二连接器的第一管脚；The second pin of the PFC chip U1 is connected to the first pin of the second connector through a resistor R4;
所述PFC芯片U1的第三管脚经电容C7连接所述第二连接器的第一管脚；The third pin of the PFC chip U1 is connected to the first pin of the second connector through a capacitor C7;
所述PFC芯片U1的第四管脚连接所述第二连接器的第五管脚；The fourth pin of the PFC chip U1 is connected to the fifth pin of the second connector;
所述PFC芯片U1的第五管脚经所述RC补偿单元连接所述第二连接器的第一管脚；The fifth pin of the PFC chip U1 is connected to the first pin of the second connector through the RC compensation unit;
所述PFC芯片U1的第六管脚连接所述第二连接器的第六管脚；The sixth pin of the PFC chip U1 is connected to the sixth pin of the second connector;
所述PFC芯片U1的第七管脚经电阻R7连接所述第二连接器的第三管脚；The seventh pin of the PFC chip U1 is connected to the third pin of the second connector through a resistor R7;
所述PFC芯片U1的第八管脚连接所述第二连接器的第二管脚、且经二极管D1连接所述第二连接器的第一管脚；The eighth pin of the PFC chip U1 is connected to the second pin of the second connector, and is connected to the first pin of the second connector through the diode D1;
其中，所述第二连接器的第一管脚接地。Wherein, the first pin of the second connector is grounded.
优选地，所述PFC芯片U1采用的器件型号为PFC芯片1150。Preferably, the device model used by the PFC chip U1 is the PFC chip 1150 .
优选地，Preferably,
所述电流取样电路包括电阻R1和电阻R2；所述电阻R1与电阻R2并联连接后一端连接所述第二输入端、另一端接地；和/或The current sampling circuit includes a resistor R1 and a resistor R2; the resistor R1 and the resistor R2 are connected in parallel, one end is connected to the second input end, and the other end is grounded; and/or
所述PFC启动单元包括MOS管Q8；所述MOS管Q8的栅极用于输入控制电平，所述MOS管Q8的源极接地，所述MOS管Q8的栅极连接所述第一连接器的第五管脚。The PFC start-up unit includes a MOS transistor Q8; the gate of the MOS transistor Q8 is used to input a control level, the source of the MOS transistor Q8 is grounded, and the gate of the MOS transistor Q8 is connected to the first connector the fifth pin.
优选地，Preferably,
所述PFC单元包括升压电感L1、RD驱动电路、升压开关电路、稳压电路、升压二极管D1和输出滤波电路；The PFC unit includes a boost inductor L1, a RD drive circuit, a boost switch circuit, a voltage regulator circuit, a boost diode D1 and an output filter circuit;
所述升压电感L1的第一端连接所述第一输入端，所述升压电感L1的第二端分别连接所述升压二极管D1的正极和所述升压开关电路的第一端，所述升压二极管D1的负极连接所述电压输出端和所述输出滤波电路的第一端，所述输出滤波电路的第二端接地；The first end of the boost inductor L1 is connected to the first input end, and the second end of the boost inductor L1 is respectively connected to the anode of the boost diode D1 and the first end of the boost switch circuit, The cathode of the boost diode D1 is connected to the voltage output end and the first end of the output filter circuit, and the second end of the output filter circuit is grounded;
所述RD驱动电路的第一端连接所述第一连接器的第二管脚，所述RD驱动电路的第二端分别连接所述升压开关电路的控制端和所述稳压电路155的第一端，所述稳压电路155的第二端和所述升压开关电路的第二端分别接地。 The first end of the RD drive circuit is connected to the second pin of the first connector, and the second end of the RD drive circuit is connected to the control end of the boost switch circuit and the voltage regulator circuit 155 respectively. The first end, the second end of the voltage regulator circuit 155 and the second end of the boost switch circuit are grounded respectively.
优选地，Preferably,
所述RD驱动电路包括电阻R14和二极管D14，所述电阻R14与所述二极管D14并联连接，所述二极管D14的正极连接所述升压开关电路的控制端，所述二极管D14的负极连接所述第一连接器的第二管脚；和/或The RD driving circuit includes a resistor R14 and a diode D14, the resistor R14 is connected in parallel with the diode D14, the anode of the diode D14 is connected to the control terminal of the boost switch circuit, and the cathode of the diode D14 is connected to the the second pin of the first connector; and/or
所述升压开关电路包括MOS管Q1，所述MOS管Q1的栅极连接所述RD驱动电路，所述MOS管Q1的源极接地，所述MOS管Q1的漏极连接所述电压输出端；和/或The boost switch circuit includes a MOS transistor Q1, the gate of the MOS transistor Q1 is connected to the RD driving circuit, the source of the MOS transistor Q1 is grounded, and the drain of the MOS transistor Q1 is connected to the voltage output terminal ;and / or
所述稳压电路155包括电阻R12和稳压管D9，所述电阻R12与所述稳压管D9并联连接，所述稳压管D9的正极接地，所述稳压管D9的负极连接所述MOS管Q1的栅极；和/或The voltage regulator circuit 155 includes a resistor R12 and a voltage regulator tube D9, the resistor R12 is connected in parallel with the voltage regulator tube D9, the positive electrode of the voltage regulator tube D9 is grounded, and the negative electrode of the voltage regulator tube D9 is connected to the voltage regulator tube D9. the gate of MOS transistor Q1; and/or
所述升压二极管D1的正极分别连接所述升压电感L1和所述升压驱动电路，所述升压二极管D1的负极连接所述输出滤波电路152；和/或The anode of the boost diode D1 is connected to the boost inductor L1 and the boost drive circuit respectively, and the cathode of the boost diode D1 is connected to the output filter circuit 152; and/or
所述输出滤波电路152包括电容C16、电容C17、电容C18和电容C19；所述电容C16、电容C17、电容C18和电容C19并联连接后一端连接所述升压二极管D1的负极、另一端接地。The output filter circuit 152 includes a capacitor C16, a capacitor C17, a capacitor C18 and a capacitor C19; the capacitor C16, the capacitor C17, the capacitor C18 and the capacitor C19 are connected in parallel, one end is connected to the negative electrode of the boost diode D1, and the other end is grounded.
优选地，Preferably,
所述PFC单元还包括连接所述升压二极管D1的RC吸收回路和/或泄放回路；The PFC unit further includes an RC absorption loop and/or a discharge loop connected to the boost diode D1;
所述RC吸收回路的第一端连接所述升压二极管D1的正极，所述RC吸收回路的第二端连接所述升压二极管D1的负极；The first end of the RC absorption loop is connected to the anode of the boost diode D1, and the second end of the RC absorption loop is connected to the cathode of the boost diode D1;
所述泄放回路的第一端连接所述升压二极管D1的负极，所述泄放回路的第二端接地。The first end of the bleeder circuit is connected to the cathode of the boost diode D1, and the second end of the bleeder circuit is grounded.
优选地，Preferably,
所述RC吸收回路包括电阻R3和电容C2，所述电阻R3与所述电容C2串联连接后一端连接所述升压二极管D1的正极、另一端连接所述升压二极管D1的负极；和/或The RC absorption loop includes a resistor R3 and a capacitor C2, the resistor R3 is connected in series with the capacitor C2, one end is connected to the positive electrode of the boost diode D1, and the other end is connected to the negative electrode of the boost diode D1; and/or
所述泄放回路包括电阻R6，所述电阻R6的一端连接所述升压二极管D1的负极，所述电阻R6的另一端接地。The discharge loop includes a resistor R6, one end of the resistor R6 is connected to the negative electrode of the boost diode D1, and the other end of the resistor R6 is grounded.
本实用新型还构造一种阳光模拟设备，包括如上面任意一项所述的供电设备。The utility model also constructs a sunlight simulation device, which includes the power supply device described in any one of the above.
有益效果beneficial effect
实施本实用新型的一种供电设备及阳光模拟设备，具有以下有益效果：能够稳定输出功率，提高设备效率。The power supply equipment and the sunlight simulation equipment implemented by the utility model have the following beneficial effects: the output power can be stabilized and the equipment efficiency can be improved.
附图说明Description of drawings
下面将结合附图及实施例对本实用新型作进一步说明，附图中：The utility model will be further described below in conjunction with the accompanying drawings and embodiments, in the accompanying drawings:
图1是本实用新型一种供电设备的结构示意图；Fig. 1 is the structural representation of a kind of power supply equipment of the present utility model;
图2是本实用新型一种供电设备第一实施例的电路原理图；2 is a circuit schematic diagram of a first embodiment of a power supply device of the present invention;
图3是本实用新型一种供电设备第二实施例的电路原理图。FIG. 3 is a circuit schematic diagram of a second embodiment of a power supply device of the present invention.
本发明的实施方式Embodiments of the present invention
为了对本实用新型的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本实用新型的具体实施方式。In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
如图1所示，在本实用新型的一种供电设备一实施例中，包括：电源模块100及与电源模块100可插拔连接的PFC控制模块200；电源模块100包括：用于连接市电输入的电源输入端110、连接电源输入端110的第一连接器120、连接电源输入端110和第一连接器120的电流取样电路130、连接第一连接器120的PFC启动单元170和PFC单元150、连接PFC单元150和第一连接器120的电压输出端160；PFC控制模块200包括：与第一连接器120可插拔连接的第二连接器220，连接第二连接器220的PFC控制单元210，连接PFC控制单元210和第一连接器120的电压取样电路230。具体的，电源模块100与PFC控制模块200通过第一连接器120和第二连接器220可插拔连接。当电源模块100通过第一连接器120和第二连接器220连接PFC控制模块200，PFC控制模块200通过第一连接器120和第二连接器220获取PFC启动单元170发送的启动控制电平，PFC控制模块200开始工作。此时PFC控制模块200通过第一连接器120和第二连接器220获取电流取样电路130的电流取样，同时电压取样电路230通过第一连接器120和第二连接器220对电压输出端160的输出电压的进行电压取样，PFC控制模块200中的PFC控制单元210根据电路取样和电压取样生成对应的驱动信号，并通过第一连接器120和第二连接器220输出驱动信号以驱动PFC单元150工作，PFC单元150工作进行升压以进行功率因数调整，以输出波形为和交流输入市电电压同频同相的正弦波，达到功率因数校正作用，其最后输出电压经电压输出端160输出。同时，PFC控制单元210根据该取样电压对电压输出端160的输出电压进行稳压控制。As shown in FIG. 1 , in an embodiment of a power supply device of the present invention, it includes: a power supply module 100 and a PFC control module 200 that is pluggably connected to the power supply module 100 ; the power supply module 100 includes: a power supply module for connecting to commercial power The input power input terminal 110, the first connector 120 connected to the power input terminal 110, the current sampling circuit 130 connected to the power input terminal 110 and the first connector 120, the PFC start unit 170 and the PFC unit connected to the first connector 120 150. Connect the PFC unit 150 and the voltage output terminal 160 of the first connector 120; the PFC control module 200 includes: a second connector 220 pluggably connected to the first connector 120, and a PFC control unit connected to the second connector 220 The unit 210 is connected to the PFC control unit 210 and the voltage sampling circuit 230 of the first connector 120 . Specifically, the power module 100 and the PFC control module 200 are pluggably connected through the first connector 120 and the second connector 220 . When the power module 100 is connected to the PFC control module 200 through the first connector 120 and the second connector 220, the PFC control module 200 obtains the activation control level sent by the PFC activation unit 170 through the first connector 120 and the second connector 220, The PFC control module 200 starts working. At this time, the PFC control module 200 obtains the current sampling of the current sampling circuit 130 through the first connector 120 and the second connector 220 , and the voltage sampling circuit 230 obtains the current sampling of the voltage output terminal 160 through the first connector 120 and the second connector 220 . For voltage sampling of the output voltage, the PFC control unit 210 in the PFC control module 200 generates a corresponding driving signal according to the circuit sampling and the voltage sampling, and outputs the driving signal through the first connector 120 and the second connector 220 to drive the PFC unit 150 In operation, the PFC unit 150 works to boost the voltage to adjust the power factor, and the output waveform is a sine wave with the same frequency and phase as the AC input mains voltage to achieve power factor correction. The final output voltage is output through the voltage output terminal 160. At the same time, the PFC control unit 210 performs voltage regulation control on the output voltage of the voltage output terminal 160 according to the sampled voltage.
如图2所示，第二连接器220的第八管脚连接电压取样电路230、用于输出电压输出端160的输出电压；具体的，电压输出端160的输出电压通过第一连接器120和第二连接器220相互连接的第八管脚输入至PFC控制模块200，并通过PFC控制模块200的电压取样电路230进行输出电压的取样。As shown in FIG. 2 , the eighth pin of the second connector 220 is connected to the voltage sampling circuit 230 for outputting the output voltage of the voltage output terminal 160 ; specifically, the output voltage of the voltage output terminal 160 passes through the first connector 120 and The eighth pin connected to each other of the second connector 220 is input to the PFC control module 200 , and the output voltage is sampled by the voltage sampling circuit 230 of the PFC control module 200 .
可选的，电压取样电路230包括：分别连接PFC控制单元210的第一端和第二连接器220的第六管脚、用于获取工作取样电压的第一电压取样电路230；分别连接PFC控制单元210的第二端和第二连接器220的第五管脚、用于获取过保护取样电压的第二电压取样电路230。具体的，PFC控制模块200对电源模块100中的输出电压取样可以通过第一电压取样电路231获取输出电压的工作取样电压，PFC控制模块200中PFC控制单元210根据该工作取样电压输出控制信号以控制电源模块100的输出电压。此外，PFC控制模块200对电源模块100中的输出电压取样还可以通过第二电压取样电路232获取输出电压的保护取样电压，即当该保护取样电压一旦出现过电压，PFC控制模块200关断PFC控制单元210的输出，使得电源模块100中的PFC单元150关断，电源模块100结束PFC升压过程，以保护电源模块100及其后面的工作电路。其中第一电压取样电路231获取的工作取样电压通过第一连接器120和第二连接器220的第六管脚输入至PFC控制单元210的第一端，第二电压取样电路232获取的保护取样电压通过第一连接器120和第二连接器220的第五管脚输入至PFC控制单元210的第二端。其第一电压取样电路2311可以包括电阻R25、电阻R26和电阻R27，电阻R25、电阻R26和电阻R27串联连接后一端连接第二连接器220的第八管脚，另一端接地。同时电阻R27的一端分别连接PFC控制单元210和第二连接器220的第六管脚。第二电压取样电路232的可以包括电阻R28、电阻R29、电阻R210和电容C28，电阻R28、电阻R29和电阻R210串联连接，电容C28与电阻R210并联连接，电阻R28的一端连接第二连接器220的第八管脚，电阻R29的一端连接电阻R28，另一端连接第二连接器220的第五管脚。Optionally, the voltage sampling circuit 230 includes: a first voltage sampling circuit 230 that is respectively connected to the first end of the PFC control unit 210 and the sixth pin of the second connector 220, and used to obtain the working sampling voltage; The second terminal of the unit 210 and the fifth pin of the second connector 220, and the second voltage sampling circuit 230 for obtaining the over-protection sampling voltage. Specifically, the PFC control module 200 can obtain the working sampling voltage of the output voltage through the first voltage sampling circuit 231 for sampling the output voltage in the power module 100, and the PFC control unit 210 in the PFC control module 200 outputs a control signal according to the working sampling voltage to The output voltage of the power module 100 is controlled. In addition, the PFC control module 200 can also obtain the protection sampling voltage of the output voltage through the second voltage sampling circuit 232 for sampling the output voltage in the power module 100 , that is, when the protection sampling voltage has an overvoltage, the PFC control module 200 turns off the PFC The output of the control unit 210 causes the PFC unit 150 in the power module 100 to be turned off, and the power module 100 ends the PFC boosting process to protect the power module 100 and its subsequent working circuits. The working sampling voltage obtained by the first voltage sampling circuit 231 is input to the first end of the PFC control unit 210 through the sixth pin of the first connector 120 and the second connector 220, and the protection sampling obtained by the second voltage sampling circuit 232 The voltage is input to the second terminal of the PFC control unit 210 through the fifth pins of the first connector 120 and the second connector 220 . The first voltage sampling circuit 2311 may include a resistor R25, a resistor R26 and a resistor R27, the resistor R25, the resistor R26 and the resistor R27 are connected in series, one end is connected to the eighth pin of the second connector 220, and the other end is grounded. Meanwhile, one end of the resistor R27 is connected to the PFC control unit 210 and the sixth pin of the second connector 220 respectively. The second voltage sampling circuit 232 may include a resistor R28, a resistor R29, a resistor R210 and a capacitor C28, the resistor R28, the resistor R29 and the resistor R210 are connected in series, the capacitor C28 is connected in parallel with the resistor R210, and one end of the resistor R28 is connected to the second connector 220 One end of the resistor R29 is connected to the resistor R28 , and the other end is connected to the fifth pin of the second connector 220 .
可选的，PFC控制单元210包括PFC芯片U1和连接PFC芯片U1的RC补偿单元211；PFC芯片U1的第一管脚连接第二连接器220的第一管脚；PFC芯片U1的第二管脚经电阻R4连接第二连接器220的第一管脚；PFC芯片U1的第三管脚经电容C7连接第二连接器220的第一管脚；PFC芯片U1的第四管脚连接第二连接器220的第五管脚；PFC芯片U1的第五管脚经RC补偿单元连接第二连接器220的第一管脚；PFC芯片U1的第六管脚连接第二连接器220的第六管脚；PFC芯片U1的第七管脚经电阻R7连接第二连接器220的第三管脚；PFC芯片U1的第八管脚连接第二连接器220的第二管脚、且经二极管D1连接第二连接器220的第一管脚；其中，第二连接器220的第一管脚接地。具体的，PFC控制单元210可以采用PFC芯片U1，其还包括PFC芯片U1的RC补偿电路，其可以通过RC补偿电路保证PFC芯片U1为稳定的工作状态。PFC芯片U1与第二连接器220的连接关系如上文描述。RC补偿电路211包括电阻R24、电容C22和电容C23，其中电阻R24与电容C22串联连接后与电容C23并联连接。并且在并联连接后一端连接PFC芯片U1的第五管脚、另一端接地，第二连接器220的第一管脚接地。PFC芯片U1采用的器件型号为PFC芯片1150。Optionally, the PFC control unit 210 includes a PFC chip U1 and an RC compensation unit 211 connected to the PFC chip U1; the first pin of the PFC chip U1 is connected to the first pin of the second connector 220; the second tube of the PFC chip U1 The pin is connected to the first pin of the second connector 220 via the resistor R4; the third pin of the PFC chip U1 is connected to the first pin of the second connector 220 via the capacitor C7; the fourth pin of the PFC chip U1 is connected to the second pin The fifth pin of the connector 220; the fifth pin of the PFC chip U1 is connected to the first pin of the second connector 220 through the RC compensation unit; the sixth pin of the PFC chip U1 is connected to the sixth pin of the second connector 220 pin; the seventh pin of the PFC chip U1 is connected to the third pin of the second connector 220 through the resistor R7; the eighth pin of the PFC chip U1 is connected to the second pin of the second connector 220, and is connected to the second pin of the second connector 220 through the diode D1 The first pin of the second connector 220 is connected; wherein, the first pin of the second connector 220 is grounded. Specifically, the PFC control unit 210 may use a PFC chip U1, which further includes an RC compensation circuit of the PFC chip U1, which can ensure that the PFC chip U1 is in a stable working state through the RC compensation circuit. The connection relationship between the PFC chip U1 and the second connector 220 is as described above. The RC compensation circuit 211 includes a resistor R24, a capacitor C22 and a capacitor C23, wherein the resistor R24 is connected in series with the capacitor C22 and then connected in parallel with the capacitor C23. After being connected in parallel, one end is connected to the fifth pin of the PFC chip U1, the other end is grounded, and the first pin of the second connector 220 is grounded. The device model used by the PFC chip U1 is the PFC chip 1150.
如图3所示，电源输入端110包括第一输入端和第二输入端；第二输入端分别连接第一连接器120的第四管脚和电流取样电路130的第一端，电流取样电路130的第二端连接第一连接器120的第一管脚并接地。具体的，电源输入端110中，第二电源输入端用来连接电源输入负输入端，其设置接地的电流取样电路130对电源输入端110的电流进行取样，该取样电流通过第一连接器120和第二连接器220的第四管脚输送至PFC控制模块200。第一连接器120的第一管脚接地，其和第二连接器220通过第一管脚形成电源模块100和PFC控制模块200的共地设置。As shown in FIG. 3 , the power input terminal 110 includes a first input terminal and a second input terminal; the second input terminal is respectively connected to the fourth pin of the first connector 120 and the first terminal of the current sampling circuit 130, and the current sampling circuit The second end of the 130 is connected to the first pin of the first connector 120 and grounded. Specifically, in the power input terminal 110 , the second power input terminal is used to connect the negative input terminal of the power input terminal, and the current sampling circuit 130 which is set to ground samples the current of the power input terminal 110 , and the sampling current passes through the first connector 120 And the fourth pin of the second connector 220 is sent to the PFC control module 200 . The first pin of the first connector 120 is grounded, and the first pin of the first connector 120 and the second connector 220 form a common ground arrangement of the power module 100 and the PFC control module 200 .
可选的，电流取样电路130包括电阻R1和电阻R2；电阻R1与电阻R2并联连接后一端连接第二输入端、另一端接地；具体的，电路取样电路130可以通过并联的电阻R1和电阻R2进行电源输入端110的电流采样以获取取样电流。Optionally, the current sampling circuit 130 includes a resistor R1 and a resistor R2; the resistor R1 and the resistor R2 are connected in parallel, one end is connected to the second input terminal, and the other end is grounded; The current sampling of the power input terminal 110 is performed to obtain the sampling current.
可选的，PFC启动单元170包括MOS管Q8；MOS管Q8的栅极用于输入控制电平，MOS管Q8的源极接地，MOS管Q8的栅极连接第一连接器120的第五管脚。具体的，PFC启动单元170可以包括MOS管Q8，其栅极接收控制电平，根据该控制电平MOS管Q8导通或关断，以使得连接第一连接器120和第二连接器220的第五管脚的PFC芯片U1的第四管脚被驱动或者不被驱动，以控制PFC芯片U1工作或着不工作。Optionally, the PFC start-up unit 170 includes a MOS transistor Q8; the gate of the MOS transistor Q8 is used to input the control level, the source of the MOS transistor Q8 is grounded, and the gate of the MOS transistor Q8 is connected to the fifth transistor of the first connector 120. foot. Specifically, the PFC start-up unit 170 may include a MOS transistor Q8, the gate of which receives a control level, and the MOS transistor Q8 is turned on or off according to the control level, so as to connect the first connector 120 and the second connector 220. The fourth pin of the PFC chip U1 of the fifth pin is driven or not driven to control the PFC chip U1 to work or not to work.
可选的，PFC单元包括升压电感L1、RD驱动电路151、升压开关电路、稳压电路155、升压二极管D1和输出滤波电路152；升压电感L1的第一端连接第一输入端，升压电感L1的第二端分别连接升压二极管D1的正极和升压开关电路的第一端，升压二极管D1的负极连接电压输出端160和输出滤波电路152的第一端，输出滤波电路152的第二端接地；RD驱动电路151的第一端连接第一连接器的第二管脚，RD驱动电路151的第二端分别连接升压开关电路的控制端和稳压电路155的第一端，稳压电路155的第二端和升压开关电路的第二端分别接地。其电源输入端的输入电压依次经升压电感L1和升压二极管D1后通过电压输出端160输出，其中通过RD驱动电路151和稳压电路155以及升压开关电路控制升压二极管D1的升压过程，以达到需要的电压输出。Optionally, the PFC unit includes a boost inductor L1, an RD drive circuit 151, a boost switch circuit, a voltage regulator circuit 155, a boost diode D1 and an output filter circuit 152; the first end of the boost inductor L1 is connected to the first input end , the second end of the boost inductor L1 is respectively connected to the positive electrode of the boost diode D1 and the first end of the boost switch circuit, the negative electrode of the boost diode D1 is connected to the voltage output end 160 and the first end of the output filter circuit 152, and the output filter The second end of the circuit 152 is grounded; the first end of the RD drive circuit 151 is connected to the second pin of the first connector, and the second end of the RD drive circuit 151 is connected to the control end of the boost switch circuit and the voltage regulator circuit 155 respectively. The first end, the second end of the voltage regulator circuit 155 and the second end of the boost switch circuit are grounded respectively. The input voltage of its power input terminal is output through the voltage output terminal 160 through the boost inductor L1 and the boost diode D1 in turn, and the boost process of the boost diode D1 is controlled by the RD drive circuit 151, the voltage regulator circuit 155 and the boost switch circuit. , to achieve the required voltage output.
其中，在一实施例中，RD驱动电路151包括电阻R14和二极管D14，电阻R14与二极管D14并联连接器，二极管D14的正极连接升压开关电路的控制端，二极管D14的负极连接电压输出端160； RD驱动电路151在驱动信号使升压开关电路导通时，二极管D14不工作，当升压开关电路关断时，升压开关电路的等效输入电容通过二极管D14的导通，使升压开关电路的等效输入电容通过电阻R14回路加快放电，从而使升压开关电路顺利进入下一个开关工作周期。In one embodiment, the RD driving circuit 151 includes a resistor R14 and a diode D14, the resistor R14 is connected in parallel with the diode D14, the anode of the diode D14 is connected to the control terminal of the boost switch circuit, and the cathode of the diode D14 is connected to the voltage output terminal 160 ; When the driving signal of the RD drive circuit 151 turns on the boost switch circuit, the diode D14 does not work. When the boost switch circuit is turned off, the equivalent input capacitance of the boost switch circuit is turned on by the diode D14 to make the boost The equivalent input capacitance of the switching circuit is rapidly discharged through the resistor R14 loop, so that the boost switching circuit can smoothly enter the next switching cycle.
在一实施例中，升压开关电路包括MOS管Q1，MOS管Q1的栅极连接RD驱动电路151，MOS管Q1的源极接地，MOS管Q1的漏极连接电压输出端160； 具体的，可以通过MOS管Q1作为升压开关电路进行开启或关断。其可以通过稳压电路155进行栅极驱动电压的稳定输出，该稳压电路155包括电阻R12和稳压管D9，电阻R12与稳压管D9并联连接，稳压管D9的正极接地，稳压管D9的负极连接MOS管Q1的栅极。In one embodiment, the boost switch circuit includes a MOS transistor Q1, the gate of the MOS transistor Q1 is connected to the RD driving circuit 151, the source of the MOS transistor Q1 is grounded, and the drain of the MOS transistor Q1 is connected to the voltage output terminal 160; Specifically, It can be turned on or off through the MOS transistor Q1 as a boost switch circuit. It can carry out the stable output of the gate driving voltage through the voltage regulator circuit 155. The voltage regulator circuit 155 includes a resistor R12 and a voltage regulator tube D9, the resistor R12 is connected in parallel with the voltage regulator tube D9, the positive electrode of the voltage regulator tube D9 is grounded, and the voltage regulator is connected to the ground. The cathode of the transistor D9 is connected to the gate of the MOS transistor Q1.
可选的，输出滤波电路152包括电容C16，电容C17、电容C18和电容C19；电容C16，电容C17、电容C18和电容C19并联连接后一端连接升压二极管D1的负极、另一端接地。具体的，通过MOS管Q1驱动二极管D1升压，升压二极管D1的输出电压经过输出滤波电路152进行滤波处理后作为电压输出端160的输出电压。输出滤波电路152可以通过并联的电容组成。容量大的电容和容量小的电容并联，容量大的电容器起输出电压滤波作用，稳定输出电压，容量小的电容用于滤除高频干扰，一般大容量电解电容的高频特性不好，容量小的电容用于改善大容量电解电容的高频滤波特性。Optionally, the output filter circuit 152 includes a capacitor C16, a capacitor C17, a capacitor C18, and a capacitor C19; the capacitor C16, the capacitor C17, the capacitor C18, and the capacitor C19 are connected in parallel, and one end is connected to the negative electrode of the boost diode D1, and the other end is grounded. Specifically, the MOS transistor Q1 drives the diode D1 to boost the voltage, and the output voltage of the boost diode D1 is filtered by the output filter circuit 152 and then used as the output voltage of the voltage output terminal 160 . The output filter circuit 152 can be formed by connecting capacitors in parallel. Large-capacity capacitors and small-capacity capacitors are connected in parallel. Large-capacity capacitors play the role of output voltage filtering and stabilize the output voltage. Small-capacity capacitors are used to filter out high-frequency interference. Generally, large-capacity electrolytic capacitors have poor high-frequency characteristics. Small capacitors are used to improve the high-frequency filtering characteristics of large-capacity electrolytic capacitors.
可选的，PFC单元150还包括连接升压二极管D1的RC吸收回路153和/或泄放回路154； RC吸收回路153的第一端连接升压二极管D1的正极， RC吸收回路153的第二端连接升压二极管D1的负极；泄放回路154的第一端连接升压二极管D1的负极，泄放回路154的第二端接地。Optionally, the PFC unit 150 further includes an RC absorption loop 153 and/or a discharge loop 154 connected to the boost diode D1; the first end of the RC absorption loop 153 is connected to the anode of the boost diode D1, and the second end of the RC absorption loop 153 The terminal is connected to the cathode of the boost diode D1; the first terminal of the discharge loop 154 is connected to the cathode of the boost diode D1, and the second terminal of the discharge loop 154 is grounded.
可选的，RC吸收回路153包括电阻R3和电容C2，电阻R3与电容C2串联连接后一端连接升压二极管D1的正极、另一端连接升压二极管D1的负极；泄放回路154包括电阻R6，电阻R6的一端连接升压二极管D1的负极，电阻R6的另一端接地。具体的，可以通过RC吸收回路153降低升电压二极管D1上的功耗。通过泄放回路152保证在输出负载开路时泄放掉输出滤波电容上的电荷，以保护电路。Optionally, the RC absorption loop 153 includes a resistor R3 and a capacitor C2, the resistor R3 is connected in series with the capacitor C2, one end is connected to the anode of the boost diode D1, and the other end is connected to the cathode of the boost diode D1; the discharge loop 154 includes a resistor R6, One end of the resistor R6 is connected to the cathode of the boost diode D1, and the other end of the resistor R6 is grounded. Specifically, the power consumption on the boost diode D1 can be reduced through the RC absorption loop 153 . The discharge circuit 152 ensures that the charge on the output filter capacitor is discharged when the output load is open, so as to protect the circuit.
可选的，第一连接器120和第二连接器220均为DB9连接器。Optionally, both the first connector 120 and the second connector 220 are DB9 connectors.
另，本实用新型的一种阳光模拟设备，其可以采用上面上面描述的供电设备进行供电。In addition, a sunlight simulation device of the present invention can be powered by the power supply device described above.
可以理解的，以上实施例仅表达了本实用新型的优选实施方式，其描述较为具体和详细，但并不能因此而理解为对本实用新型专利范围的限制；应当指出的是，对于本领域的普通技术人员来说，在不脱离本实用新型构思的前提下，可以对上述技术特点进行自由组合，还可以做出若干变形和改进，这些都属于本实用新型的保护范围；因此，凡跟本实用新型权利要求范围所做的等同变换与修饰，均应属于本实用新型权利要求的涵盖范围。It can be understood that the above examples only represent the preferred embodiments of the present invention, and the descriptions thereof are more specific and detailed, but should not be construed as a limitation to the scope of the present invention; For technical personnel, under the premise of not departing from the concept of the present utility model, the above-mentioned technical features can be freely combined, and some deformations and improvements can also be made, and these all belong to the protection scope of the present utility model; Equivalent transformations and modifications made within the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.

Claims (10)

  1. 一种供电设备，其特征在于，包括：电源模块及与所述电源模块可插拔连接的PFC控制模块；A power supply device, comprising: a power supply module and a PFC control module pluggably connected to the power supply module;
    所述电源模块包括：用于连接市电输入的电源输入端、连接所述电源输入端的第一连接器、连接所述电源输入端和所述第一连接器的电流取样电路、连接所述第一连接器的PFC启动单元和PFC单元、以及连接所述PFC单元和所述第一连接器的电压输出端；The power module includes: a power input terminal for connecting to the mains input, a first connector for connecting the power input terminal, a current sampling circuit for connecting the power input terminal and the first connector, and a first connector for connecting the power input terminal and the first connector. A PFC start-up unit and a PFC unit of a connector, and a voltage output connecting the PFC unit and the first connector;
    所述PFC控制模块包括：与所述第一连接器可插拔连接的第二连接器、连接所述第二连接器的PFC控制单元、连接所述PFC控制单元和所述第二连接器的电压取样电路。The PFC control module includes: a second connector pluggably connected to the first connector, a PFC control unit connected to the second connector, and a PFC control unit connected to the second connector. Voltage sampling circuit.
  2. 根据权利要求1所述的供电设备，其特征在于，The power supply device according to claim 1, wherein,
    所述电压取样电路包括：连接所述PFC控制单元的第一端与所述第二连接器的第六管脚、用于获取工作取样电压的第一电压取样电路，和连接所述PFC控制单元的第二端与所述第二连接器的第五管脚、用于获取过保护取样电压的第二电压取样电路；和/或The voltage sampling circuit includes: connecting the first end of the PFC control unit with the sixth pin of the second connector, a first voltage sampling circuit for acquiring a working sampling voltage, and connecting the PFC control unit The second end of the second connector and the fifth pin of the second connector, a second voltage sampling circuit for obtaining the over-protection sampling voltage; and/or
    所述电源输入端包括第一输入端和第二输入端；所述第二输入端分别连接所述第一连接器的第四管脚和所述电流取样电路的第一端，所述电流取样电路的第二端连接所述第一连接器的第一管脚并接地。The power input end includes a first input end and a second input end; the second input end is respectively connected to the fourth pin of the first connector and the first end of the current sampling circuit, the current sampling The second end of the circuit is connected to the first pin of the first connector and grounded.
  3. 根据权利要求1所述的供电设备，其特征在于，所述PFC控制单元包括PFC芯片U1和连接所述PFC芯片U1的RC补偿单元；The power supply device according to claim 1, wherein the PFC control unit comprises a PFC chip U1 and an RC compensation unit connected to the PFC chip U1;
    所述PFC芯片U1的第一管脚连接所述第二连接器的第一管脚；The first pin of the PFC chip U1 is connected to the first pin of the second connector;
    所述PFC芯片U1的第二管脚经电阻R4连接所述第二连接器的第一管脚；The second pin of the PFC chip U1 is connected to the first pin of the second connector through a resistor R4;
    所述PFC芯片U1的第三管脚经电容C7连接所述第二连接器的第一管脚；The third pin of the PFC chip U1 is connected to the first pin of the second connector through a capacitor C7;
    所述PFC芯片U1的第四管脚连接所述第二连接器的第五管脚；The fourth pin of the PFC chip U1 is connected to the fifth pin of the second connector;
    所述PFC芯片U1的第五管脚经所述RC补偿单元连接所述第二连接器的第一管脚；The fifth pin of the PFC chip U1 is connected to the first pin of the second connector through the RC compensation unit;
    所述PFC芯片U1的第六管脚连接所述第二连接器的第六管脚；The sixth pin of the PFC chip U1 is connected to the sixth pin of the second connector;
    所述PFC芯片U1的第七管脚经电阻R7连接所述第二连接器的第三管脚；The seventh pin of the PFC chip U1 is connected to the third pin of the second connector through a resistor R7;
    所述PFC芯片U1的第八管脚连接所述第二连接器的第二管脚、且经二极管D1连接所述第二连接器的第一管脚；The eighth pin of the PFC chip U1 is connected to the second pin of the second connector, and is connected to the first pin of the second connector through the diode D1;
    其中，所述第二连接器的第一管脚接地。Wherein, the first pin of the second connector is grounded.
  4. 根据权利要求3所述的供电设备，其特征在于，所述PFC芯片U1的器件型号为PFC芯片1150。The power supply device according to claim 3, wherein the device model of the PFC chip U1 is a PFC chip 1150.
  5. 根据权利要求2所述的供电设备，其特征在于，The power supply device according to claim 2, wherein,
    所述电流取样电路包括电阻R1和电阻R2；所述电阻R1与电阻R2并联连接后一端连接所述第二输入端、另一端接地；和/或The current sampling circuit includes a resistor R1 and a resistor R2; the resistor R1 and the resistor R2 are connected in parallel, one end is connected to the second input end, and the other end is grounded; and/or
    所述PFC启动单元包括MOS管Q8；所述MOS管Q8的栅极用于输入控制电平，所述MOS管Q8的源极接地，所述MOS管Q8的栅极连接所述第一连接器的第五管脚。The PFC start-up unit includes a MOS transistor Q8; the gate of the MOS transistor Q8 is used to input a control level, the source of the MOS transistor Q8 is grounded, and the gate of the MOS transistor Q8 is connected to the first connector the fifth pin.
  6. 根据权利要求2所述的供电设备，其特征在于，所述PFC单元包括升压电感L1、RD驱动电路、升压开关电路、稳压电路、升压二极管D1和输出滤波电路；The power supply device according to claim 2, wherein the PFC unit comprises a boost inductor L1, a RD drive circuit, a boost switch circuit, a voltage regulator circuit, a boost diode D1 and an output filter circuit;
    所述升压电感L1的第一端连接所述第一输入端，所述升压电感L1的第二端分别连接所述升压二极管D1的正极和所述升压开关电路的第一端，所述升压二极管D1的负极连接所述电压输出端和所述输出滤波电路的第一端，所述输出滤波电路的第二端接地；The first end of the boost inductor L1 is connected to the first input end, and the second end of the boost inductor L1 is respectively connected to the anode of the boost diode D1 and the first end of the boost switch circuit, The cathode of the boost diode D1 is connected to the voltage output end and the first end of the output filter circuit, and the second end of the output filter circuit is grounded;
    所述RD驱动电路的第一端连接所述第一连接器的第二管脚，所述RD驱动电路的第二端分别连接所述升压开关电路的控制端和所述稳压电路的第一端，所述稳压电路的第二端和所述升压开关电路的第二端分别接地。The first end of the RD drive circuit is connected to the second pin of the first connector, and the second end of the RD drive circuit is respectively connected to the control end of the boost switch circuit and the first pin of the voltage regulator circuit. One end, the second end of the voltage regulator circuit and the second end of the boost switch circuit are grounded respectively.
      
  7. 根据权利要求6所述的供电设备，其特征在于，The power supply device according to claim 6, wherein,
    所述RD驱动电路包括电阻R14和二极管D14，所述电阻R14与所述二极管D14并联连接，所述二极管D14的正极连接所述升压开关电路的控制端，所述二极管D14的负极连接所述电压输出端；和/或The RD driving circuit includes a resistor R14 and a diode D14, the resistor R14 is connected in parallel with the diode D14, the anode of the diode D14 is connected to the control terminal of the boost switch circuit, and the cathode of the diode D14 is connected to the voltage output; and/or
    所述升压开关电路包括MOS管Q1，所述MOS管Q1的栅极连接所述RD驱动电路，所述MOS管Q1的源极接地，所述MOS管Q1的漏极连接所述升压二极管D1的正极；和/或The boost switch circuit includes a MOS transistor Q1, the gate of the MOS transistor Q1 is connected to the RD driving circuit, the source of the MOS transistor Q1 is grounded, and the drain of the MOS transistor Q1 is connected to the boost diode The positive pole of D1; and/or
    所述稳压电路包括电阻R12和稳压管D9，所述电阻R12与所述稳压管D9并联连接，所述稳压管D9的正极接地，所述稳压管D9的负极连接所述MOS管Q1的栅极；和/或The voltage regulator circuit includes a resistor R12 and a voltage regulator tube D9, the resistor R12 is connected in parallel with the voltage regulator tube D9, the positive electrode of the voltage regulator tube D9 is grounded, and the negative electrode of the voltage regulator tube D9 is connected to the MOS. the gate of tube Q1; and/or
    所述输出滤波电路包括电容C16、电容C17、电容C18和电容C19；所述电容C16、电容C17、电容C18和电容C19并联连接后一端连接所述升压二极管D1的负极、另一端接地。The output filter circuit includes a capacitor C16, a capacitor C17, a capacitor C18 and a capacitor C19; the capacitor C16, the capacitor C17, the capacitor C18 and the capacitor C19 are connected in parallel, one end is connected to the negative electrode of the boost diode D1, and the other end is grounded.
  8. 根据权利要求6所述的供电设备，其特征在于，所述PFC单元还包括连接所述升压二极管D1的RC吸收回路和/或泄放回路；The power supply device according to claim 6, wherein the PFC unit further comprises an RC absorption loop and/or a discharge loop connected to the boost diode D1;
    所述RC吸收回路的第一端连接所述升压二极管D1的正极，所述RC吸收回路的第二端连接所述升压二极管D1的负极；The first end of the RC absorption loop is connected to the anode of the boost diode D1, and the second end of the RC absorption loop is connected to the cathode of the boost diode D1;
    所述泄放回路的第一端连接所述升压二极管D1的负极，所述泄放回路的第二端接地。The first end of the bleeder circuit is connected to the cathode of the boost diode D1, and the second end of the bleeder circuit is grounded.
  9. 根据权利要求8所述的供电设备，其特征在于，The power supply device according to claim 8, wherein:
    所述RC吸收回路包括电阻R3和电容C2，所述电阻R3与所述电容C2串联连接后一端连接所述升压二极管D1的正极、另一端连接所述升压二极管D1的负极；和/或The RC absorption loop includes a resistor R3 and a capacitor C2, the resistor R3 is connected in series with the capacitor C2, one end is connected to the positive electrode of the boost diode D1, and the other end is connected to the negative electrode of the boost diode D1; and/or
    所述泄放回路包括电阻R6，所述电阻R6的一端连接所述升压二极管D1的负极，所述电阻R6的另一端接地。The discharge loop includes a resistor R6, one end of the resistor R6 is connected to the negative electrode of the boost diode D1, and the other end of the resistor R6 is grounded.
  10. 一种阳光模拟设备，其特征在于，包括如权利要求1至9任意一项所述的供电设备。A sunlight simulation device, characterized by comprising the power supply device according to any one of claims 1 to 9.
PCT/CN2020/102433 2020-07-16 2020-07-16 Power supply device and sunlight simulation device WO2022011645A1 (en)

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DE212020000155.3U DE212020000155U1 (en) 2020-07-16 2020-07-16 A power supply system and solar simulator

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JP4692704B2 (en) * 2001-06-11 2011-06-01 株式会社富士通ゼネラル Power factor correction power circuit
CN1604441A (en) * 2003-09-30 2005-04-06 三垦电气株式会社 Power factor improving circuit
CN101080864A (en) * 2004-12-15 2007-11-28 富士通将军股份有限公司 Power supply device
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