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1. CN113848397 - Ripple detection device and ripple suppression device

Office
China
Application Number 202010602401.X
Application Date 28.06.2020
Publication Number 113848397
Publication Date 28.12.2021
Publication Kind A
IPC
G01R 29/26
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
29Arrangements for measuring or indicating electric quantities not covered by groups G01R19/-G01R27/135
26Measuring noise figure; Measuring signal-to-noise ratio
H02M 3/158
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
3Conversion of dc power input into dc power output
02without intermediate conversion into ac
04by static converters
10using discharge tubes with control electrode or semiconductor devices with control electrode
145using devices of a triode or transistor type requiring continuous application of a control signal
155using semiconductor devices only
156with automatic control of output voltage or current, e.g. switching regulators
158including plural semiconductor devices as final control devices for a single load
H02M 1/14
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
1Details of apparatus for conversion
14Arrangements for reducing ripples from dc input or output
CPC
G01R 29/26
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
29Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
26Measuring noise figure; Measuring signal-to-noise ratio ; Measuring jitter, i.e. phase noise,
H02M 3/158
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
3Conversion of dc power input into dc power output
02without intermediate conversion into ac
04by static converters
10using discharge tubes with control electrode or semiconductor devices with control electrode
145using devices of a triode or transistor type requiring continuous application of a control signal
155using semiconductor devices only
156with automatic control of output voltage or current, e.g. switching regulators
158including plural semiconductor devices as final control devices for a single load
H02M 1/14
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
1Details of apparatus for conversion
14Arrangements for reducing ripples from dc input or output
G01R 19/25
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
19Arrangements for measuring currents or voltages or for indicating presence or sign thereof
25using digital measurement techniques
Applicants ZTE CORPORATION
中兴通讯股份有限公司
Inventors WANG QIA
王恰
ZHOU JIANPING
周建平
LIN GUOXIAN
林国仙
FAN SHANSHAN
樊珊珊
E BEN
鄂本
ZHANG WEI
张伟
LIU MINGMING
刘明明
Agents 北京天昊联合知识产权代理有限公司 11112
北京天昊联合知识产权代理有限公司 11112
Title
(EN) Ripple detection device and ripple suppression device
(ZH) 纹波检测装置、纹波抑制装置
Abstract
(EN) The invention provides a ripple detection device and a ripple suppression device. The ripple detection device comprises a ripple sampling unit, at least two direct current sampling units and a digital signal processing unit; wherein the ripple sampling unit is used for outputting a first voltage signal of an output port of the non-isolated DC/DC bidirectional energy conversion unit to the digital signal processing unit; the direct current sampling units are used for outputting a first direct current signal in a second voltage signal of the port of the connected non-isolated DC/DC bidirectional energy conversion unit to the digital signal processing unit, and preventing alternating current signals in the second voltage signals from being output to the digital signal processing unit; and the digital signal processing unit is used for determining a ripple noise signal of the output port of the non-isolated DC/DC bidirectional energy conversion unit according to the first voltage signal and the first DC signal.
(ZH) 本申请提供了一种纹波检测装置和纹波抑制装,纹波检测装置包括:纹波采样单元、至少两个直流采样单元和数字信号处理单元;其中,纹波采样单元,用于将非隔离型的DC/DC双向能量变换单元的输出端口的第一电压信号输出到数字信号处理单元;直流采样单元,用于将所连接的非隔离型的DC/DC双向能量变换单元的端口的第二电压信号中的第一直流信号输出到数字信号处理单元;阻隔第二电压信号中的交流信号输出到数字信号处理单元;数字信号处理单元,用于根据第一电压信号和第一直流信号确定非隔离型的DC/DC双向能量变换单元的输出端口的纹波噪音信号。
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