WO2016074461A1 - Dispositif et procédé de commande de mise sous tension/hors tension - Google Patents

Dispositif et procédé de commande de mise sous tension/hors tension Download PDF

Info

Publication number
WO2016074461A1
WO2016074461A1 PCT/CN2015/078989 CN2015078989W WO2016074461A1 WO 2016074461 A1 WO2016074461 A1 WO 2016074461A1 CN 2015078989 W CN2015078989 W CN 2015078989W WO 2016074461 A1 WO2016074461 A1 WO 2016074461A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
control signal
isolation circuit
port
isolator
Prior art date
Application number
PCT/CN2015/078989
Other languages
English (en)
Chinese (zh)
Inventor
李恒飞
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2016074461A1 publication Critical patent/WO2016074461A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers

Definitions

  • the present invention relates to a single board, a communication device, and a control board, and particularly relates to a board, a communication device, and a power control device and method for controlling a board.
  • User equipment usually uses physical switches to control power up and down, requiring near-end operation.
  • the device needs to be powered on and off at a long distance.
  • the control terminal usually adopts an external high level or a low level to change the switching state of the controlled terminal.
  • the remote power-on and power-off control circuit has at least the following defects:
  • This paper provides a power-on and power-off control device and method, which can better reduce the complexity of the control terminal, and is compatible with both mechanical switches and electronic switches.
  • a power-on and power-off control device comprises: a port signal isolation circuit and a control signal isolation circuit;
  • the input end of the port signal isolation circuit is connected to an external control input signal, and the port signal isolation circuit is configured to: output a drive control signal of a high level or a low level according to the external control input signal;
  • control signal isolation circuit An input end of the control signal isolation circuit is connected to an output end of the port signal isolation circuit, and an output end outputs an internal controlled signal, and the control signal isolation circuit is configured to: according to the drive control signal output by the port signal isolation circuit, The corresponding internal controlled signal is output.
  • the port signal isolation circuit includes: a port signal isolator and an outer loop current limiting resistor;
  • the input end of the port signal isolator is connected to an external control input signal
  • One end of the external loop current limiting resistor is connected to the power supply in the board, and the other end of the external loop current limiting resistor is connected to the output end of the port signal isolator.
  • the port signal isolator is a diode, and an anode of the diode is connected to the external loop current limiting resistor.
  • control signal isolation circuit comprises: an internal loop current limiting resistor and a control signal isolator;
  • One end of the internal loop current limiting resistor is connected to an output end of the port signal isolator
  • the first input end of the control signal isolator is connected to the other end of the internal loop current limiting resistor, and the first output end of the control signal isolator outputs an internal controlled signal.
  • control signal isolation circuit further includes: a threshold voltage controller and a controlled signal pull-up resistor;
  • One end of the threshold voltage controller is connected to a second input end of the control signal isolator, and the other end of the threshold voltage controller is connected to a reference ground in the board;
  • One end of the controlled signal pull-up resistor is connected to the power supply in the board, and the other end of the controlled signal pull-up resistor is connected to the first output end of the control signal isolator.
  • the threshold voltage controller is a Zener diode, and a cathode of the threshold voltage controller is connected to a second input end of the control signal isolator, and an anode connection board of the threshold voltage controller is referenced to ground.
  • the threshold voltage controller is a plurality of serially connected diodes, and an anode of the threshold voltage controller is connected to a second input end of the control signal isolator, and a cathode connection board of the threshold voltage controller is Reference ground.
  • control signal isolator is a photocoupler.
  • the device further includes an electrostatic protector having one end connected to the port signal isolator input end and the other end of the electrostatic protector connected to the ground reference ground.
  • the electrostatic protection device is a transient voltage suppression diode
  • a cathode of the electrostatic protection device is connected to the port signal isolator input end
  • an anode of the electrostatic protection device is connected to the plate internal reference Test site.
  • a method for controlling power up and down comprising:
  • the port signal isolation circuit receives an external control input signal, and outputs a drive control signal according to the external control input signal;
  • the control signal isolation circuit receives the drive control signal and outputs a corresponding internal controlled signal according to the drive control signal.
  • the port signal isolation circuit receives an external control input signal, and according to the external control input signal, the step of outputting the drive control signal includes:
  • the port signal isolation circuit receives an external control input signal, and outputs a high level drive control signal when the external control input signal is at a high level or floating; when the external control input signal is low or connected to the ground , output low level drive control signal.
  • control signal isolation circuit receives the driving control signal, and the step of outputting the corresponding internal controlled signal according to the driving control signal includes:
  • the control signal isolation circuit receives the drive control signal, and outputs an internal controlled signal of a low level when the drive control signal is at a high level; and outputs an internal controlled signal of a high level when the drive control signal is at a low level .
  • the technical scheme of this paper adopts two states of low level and floating state to control, and can realize control state transition without external high level driving, thereby reducing the complexity of the control terminal.
  • the technical solution of this paper can be compatible with physical switches and electronic switches, that is, through the physical switch or electronic switch mode, the control signal is transmitted to the control signal isolation circuit, and the working state of the control signal isolation circuit is changed, thereby changing the internal controlled signal power.
  • the flat state enables power-on and power-off control of boards or devices.
  • FIG. 1 is a block diagram of a power-on and power-off control apparatus according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a power-on and power-off control method according to an embodiment of the present invention
  • FIG. 3 is a schematic circuit diagram of a power-on and power-off control device according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an application reference circuit of an upper and lower power control device according to an embodiment of the present invention.
  • FIG. 1 is a block diagram of a power-on and power-off control apparatus according to an embodiment of the present invention, as shown in FIG. 1, including a port signal isolation circuit and a control signal isolation circuit, wherein:
  • the port signal isolation circuit has an input terminal connected to the external control input signal V2, and the port signal isolation circuit is configured to: output a high-level or low-level drive control signal according to the external control input signal V2.
  • the port signal isolation circuit may include a port signal isolator and an external loop current limiting resistor. One end of the external loop current limiting resistor is connected to the power supply V1 in the board, and the input end of the port signal isolator is connected to an external control input signal, and the port isolator The output is connected to the other end of the external loop current limiting resistor.
  • the port signal isolator can be a diode. At this time, the anode of the diode is connected to the external loop current limiting resistor, and the cathode is connected to an external control input signal.
  • the control signal isolation circuit has an input end connected to the output end of the port signal isolation circuit, and an output end of the control signal isolation circuit outputs an internal controlled signal V4, and the control signal isolation circuit is set to: a high level according to the output signal of the port signal isolation circuit Or a low-level drive control signal that outputs a corresponding internal controlled signal V4.
  • the control signal isolation circuit may include an internal loop current limiting resistor and a control signal isolator, one end of the internal loop current limiting resistor is connected to the output end of the port signal isolator, and the other end of the internal loop current limiting resistor is connected to the control signal isolator. At the first input, the first output of the control signal isolator outputs an internal controlled signal.
  • the control signal isolation circuit may further include a threshold voltage controller and a controlled signal pull-up resistor, one end of the threshold voltage controller is connected to the second input end of the control signal isolator, and the other end of the threshold voltage controller is connected to the reference ground in the board, One end of the control signal pull-up resistor is connected to the power supply in the board, and the other end of the controlled signal pull-up resistor is connected to the first output end of the control signal isolator.
  • the threshold voltage controller may be a voltage regulator tube. At this time, the cathode of the voltage regulator tube is connected to the second input end of the control signal isolator, and the anode connection plate of the voltage regulator tube is referenced to the ground.
  • the threshold voltage controller can also be composed of a plurality of diodes connected in series (for example, two), and the anode connection control signal isolators The second input end is referenced to the ground in the cathode connection plate.
  • the control signal isolator is a photocoupler.
  • the power-on and control device may further include an electrostatic protector, one end of which is connected to the input port of the port signal isolator, and the other end of which is connected to the reference ground in the board.
  • the electrostatic protection device may be a transient voltage suppression diode. At this time, the cathode voltage of the transient voltage suppression diode is connected to the signal isolator input end, and the anode connection plate is referenced to the ground.
  • the power-on and power-off control method of the embodiment of the present invention includes:
  • Step 101 the port signal isolation circuit receives an external control input signal, and outputs a drive control signal according to the external control input signal;
  • the port signal isolation circuit receives the external control input signal V2, and outputs a high level drive control signal when the external control input signal V2 is high or floating; when the external control input signal V2 is low or When the ground line is turned on, a low level drive control signal is output.
  • Step 102 The control signal isolation circuit receives the driving control signal, and outputs a corresponding internal controlled signal according to the driving control signal.
  • step 102 the control signal isolation circuit receives the drive control signal, when the drive control signal is at a high level, outputs an internal controlled signal V4 of a low level; when the drive control signal is at a low level, outputs a high power Flat internal controlled signal V4.
  • V1 is a power supply in a board, and a power supply voltage can be selected according to actual conditions.
  • V2 is an external control input signal, the low-level device is powered on, and the high-level device is powered off.
  • V3 is the reference ground in the board and is the reference ground of V2.
  • V4 is an internally controlled signal that is controlled by the V2 level.
  • D1 is a port signal isolator, which can be a diode, which prevents the external high-level backflow from affecting the internal circuit. Its presence allows the external dangling and the high level to control the circuit in the same state.
  • D2 is a control signal isolator, which may be a photocoupler.
  • D3 is a threshold voltage controller, which can be a Zener diode. By changing the turn-on voltage of the device, the level threshold of the external control input signal V2 can be changed.
  • R1 is the external loop current limiting resistor;
  • R2 is the internal loop current limiting resistor;
  • R3 is the controlled signal pull-up resistor.
  • the port signal isolation circuit includes a diode D1 as a port signal isolator and an external loop current limiting resistor R1.
  • One end of the external loop current limiting resistor R1 is connected to the power supply V1 in the board; the anode of the diode D1 is connected to the other end of the external loop current limiting resistor R1, and the cathode of the diode D1 is connected to the external control input.
  • V1 a diode D1 as a port signal isolator and an external loop current limiting resistor R1.
  • the control signal isolation circuit includes an internal loop current limiting resistor R2, a photocoupler D2 as a control signal isolator, a controlled signal pull-up resistor R3, and a Zener diode D3 as a threshold voltage controller.
  • One end of the internal loop current limiting resistor R2 is connected to the anode of the diode D1; the first input end of the photocoupler D2 is connected to the other end of the internal loop current limiting resistor R2, and the second input end of the photocoupler D2 is connected to the Zener diode D3
  • the cathode of the photocoupler D2 outputs an internal controlled signal V4, the second output end of the photocoupler D2 is connected to the reference ground V3 in the board, and the anode connection board of the Zener diode D3 is referenced to the ground V3.
  • V2 and V3 can be connected to physical switches or electronic switches.
  • the external control input signal V2 is floating or high level, D1 is turned off, D2 is turned on, the anode of D1 is the drive control signal is high level, and the internal controlled signal V4 is low.
  • the external control input signal V2 is pulled low, D1 is turned on, D2 is turned off, the anode of the D1 is the driving control signal is low level, and the internal controlled signal V4 is turned to the high level.
  • the circuit provided in this embodiment does not require an external control device to apply a high level drive, but realizes the power up and down control through a self-driving loop.
  • V1 is a power supply in the board, and the power supply voltage can be selected according to actual conditions.
  • V2 is an external control input signal, the low-level device is powered on, and the high-level device is powered off.
  • V3 is the reference ground in the board and is the reference ground of V2.
  • V4 is an internally controlled signal that is controlled by the V2 level.
  • D1 is a port signal isolator, which can be a diode, which prevents the external high-level backflow from affecting the internal circuit. Its presence allows the external dangling and the high level to control the circuit in the same state.
  • D2 is a control signal isolator, which may be a photocoupler.
  • D3 and D4 are connected in series to form a threshold voltage controller. By changing the on-voltage of the device, the level threshold of the external control input signal V2 can be changed.
  • D5 is an electrostatic protector, which can be a transient voltage suppression diode, which can enhance the port's anti-static ability.
  • R1 is the external loop current limiting resistor;
  • R2 is the internal loop current limiting resistor;
  • R3 is the controlled signal pull-up resistor.
  • the port signal isolation circuit includes a diode D1 as a port signal isolator and an external loop current limiting resistor R1.
  • One end of the external loop current limiting resistor R1 is connected to the power supply V1 in the board; the anode of the diode D1 is connected to the other end of the external loop current limiting resistor R1, and the cathode of the diode D1 is connected to the external control input signal V1.
  • the control signal isolation circuit includes an internal loop current limiting resistor R2 as a control signal isolator Photocoupler D2, controlled signal pull-up resistor R3, two series connected diodes D3 and D4 as threshold voltage controllers.
  • One end of the inner loop current limiting resistor R2 is connected to the anode of the diode D1; the first input end of the photocoupler D2 is connected to the other end of the inner loop current limiting resistor R2, and the second input end of the photocoupler D2 is connected to the anode of the diode D3
  • the first output end of the photocoupler D2 outputs an internal controlled signal V4, the second output end of the photocoupler D2 is connected to the reference ground V3 in the board; the cathode connection plate of the diode D4 is referenced to the ground V3; and the two diodes D3 and D4 In series, the control level threshold is set to 1.7V.
  • a transient voltage suppression diode TVS tube D5 can be added between V1 and V3 to enhance the port antistatic capability.
  • the cathode is connected to the cathode of the diode D1, and the anode connection plate is referenced to the ground V3.
  • the embodiment of the invention does not require the external control device to apply the high-level driving, but realizes the power-on and lower-off control through the self-driving circuit, which not only reduces the complexity of the control end, but also is compatible with the two control modes of the mechanical switch and the electronic switch.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Electronic Switches (AREA)

Abstract

L'invention concerne un dispositif de commande de mise sous tension/hors tension qui comprend un circuit d'isolation de signal de port (D1) et un circuit d'isolation de signal de commande (D2), le circuit d'isolation de signal de port (D1) recevant par une borne d'entrée un signal d'entrée de commande externe (V2) et fournissant un signal de commande d'attaque de niveau haut/bas en fonction du signal d'entrée de commande externe (V2) ; une borne d'entrée du circuit d'isolation de signal de commande (D2) étant connectée à une borne de sortie du circuit d'isolation de signal de port (D1), une borne de sortie du circuit d'isolation de signal de commande (D2) fournissant un signal commandé interne (V4), et le circuit d'isolation de signal de commande (D2) fournissant un signal commandé interne (V4) correspondant en fonction du signal de commande d'attaque fourni par le circuit d'isolation de signal de port (D1). Un procédé de commande de mise sous tension/hors tension est également décrit.
PCT/CN2015/078989 2014-11-13 2015-05-14 Dispositif et procédé de commande de mise sous tension/hors tension WO2016074461A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201420675784.3 2014-11-13
CN201420675784.3U CN204241867U (zh) 2014-11-13 2014-11-13 一种上下电控制装置

Publications (1)

Publication Number Publication Date
WO2016074461A1 true WO2016074461A1 (fr) 2016-05-19

Family

ID=52771336

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/078989 WO2016074461A1 (fr) 2014-11-13 2015-05-14 Dispositif et procédé de commande de mise sous tension/hors tension

Country Status (2)

Country Link
CN (1) CN204241867U (fr)
WO (1) WO2016074461A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204241867U (zh) * 2014-11-13 2015-04-01 中兴通讯股份有限公司 一种上下电控制装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101938378A (zh) * 2010-09-13 2011-01-05 中兴通讯股份有限公司 单板上下电管理系统及其应用方法
CN101989852A (zh) * 2009-07-30 2011-03-23 华为技术有限公司 单板、通讯设备、控制单板上下电的装置及方法
KR101052284B1 (ko) * 2010-10-25 2011-07-27 엘아이지넥스원 주식회사 파워 시퀀스/클록 타이밍 제어 장치
CN202050430U (zh) * 2011-01-20 2011-11-23 中兴通讯股份有限公司 单板的上下电控制电路及通信设备
JP4950241B2 (ja) * 2009-04-03 2012-06-13 賢彦 野中 小川用小型発電装置
CN204241867U (zh) * 2014-11-13 2015-04-01 中兴通讯股份有限公司 一种上下电控制装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4950241B2 (ja) * 2009-04-03 2012-06-13 賢彦 野中 小川用小型発電装置
CN101989852A (zh) * 2009-07-30 2011-03-23 华为技术有限公司 单板、通讯设备、控制单板上下电的装置及方法
CN101938378A (zh) * 2010-09-13 2011-01-05 中兴通讯股份有限公司 单板上下电管理系统及其应用方法
KR101052284B1 (ko) * 2010-10-25 2011-07-27 엘아이지넥스원 주식회사 파워 시퀀스/클록 타이밍 제어 장치
CN202050430U (zh) * 2011-01-20 2011-11-23 中兴通讯股份有限公司 单板的上下电控制电路及通信设备
CN204241867U (zh) * 2014-11-13 2015-04-01 中兴通讯股份有限公司 一种上下电控制装置

Also Published As

Publication number Publication date
CN204241867U (zh) 2015-04-01

Similar Documents

Publication Publication Date Title
US10396664B2 (en) Redundant power supply control circuit
CN108800484B (zh) 空调器电源控制电路、控制器及空调器
CN103312133B (zh) 具电压箝位功能的栅极驱动电路
WO2018036370A1 (fr) Circuit de démarrage souple, et carte de puissance et carte unique de service ayant ce circuit
CN103529723B (zh) 一种零静态功耗防触发抖动定时开关电路
CN104007709A (zh) 一种电器设备及其控制装置和控制方法
CN107070440B (zh) 一种光耦隔离型脉冲指令功率电子开关电路
JP2016126488A5 (fr)
WO2016074461A1 (fr) Dispositif et procédé de commande de mise sous tension/hors tension
CN107733413B (zh) 一种预装电池系统的智能开关电路和智能终端
CN203368331U (zh) 一种带输入欠压保护的开关电源
CN104079850B (zh) 一种电视机的保护电路
TWM500388U (zh) 一種過壓保護電路
CN109639212B (zh) 舵机主控电路及舵机装置
WO2017016200A1 (fr) Circuit de commande de secours et dispositif d'affichage
CN216310562U (zh) 一种电机急停的控制电路
CN102075002A (zh) 双电源供电电路
US10256866B2 (en) Communication system and transmission apparatus
TWI555293B (zh) 電器設備及遙控器
TWI568118B (zh) 簡易型欠電壓的保護裝置
CN104184125B (zh) 隔离开关电源输出过压保护装置
CN113053697B (zh) 继电器控制电路、继电器系统及继电器控制方法
CN211503155U (zh) 内机板电流环电路和空调内机
CN204392214U (zh) 一种锁死电路
CN203933818U (zh) 一种过压锁死电路和具有过压锁死电路的电视机

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15858305

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15858305

Country of ref document: EP

Kind code of ref document: A1