WO2023202690A1 - Circuit et appareil de test de capacité, et dispositif - Google Patents
Circuit et appareil de test de capacité, et dispositif Download PDFInfo
- Publication number
- WO2023202690A1 WO2023202690A1 PCT/CN2023/089699 CN2023089699W WO2023202690A1 WO 2023202690 A1 WO2023202690 A1 WO 2023202690A1 CN 2023089699 W CN2023089699 W CN 2023089699W WO 2023202690 A1 WO2023202690 A1 WO 2023202690A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- capacitor
- switch
- port
- detection circuit
- terminal
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 106
- 238000001514 detection method Methods 0.000 claims description 117
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 101100464779 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) CNA1 gene Proteins 0.000 description 7
- 101100464782 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) CMP2 gene Proteins 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002038 chemiluminescence detection Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Definitions
- the first aspect of the embodiment of the present application provides a capacitance detection circuit.
- the detection circuit includes: a driving module, a first switching tube Q1, a second switching tube Q2, a third switching tube Q3 and a fourth switching tube Q4.
- the positive end of the second comparator is connected to the upper plate of the first capacitor C1, and the first end of the second current source is connected to the positive end of the third comparator.
- the inverting terminals of the two comparators are used to receive the second reference signal, the The output terminal of the second comparator is connected to the S port of the second RS flip-flop, and the R port of the second RS flip-flop is connected to the output port of the second timer;
- the detection circuit further includes a fourth resistor R4 and a sixth capacitor C6, and the first end of the fourth resistor R4 is connected to the first output port of the driving module. connection, the second end of the fourth resistor R4 is connected to the gate of the first switch Q1 and the first end of the sixth capacitor C6, and the second end of the sixth capacitor C6 is connected to ground.
- Figure 9 is a working waveform diagram of a capacitance detection circuit without battery load provided by an embodiment of the present application.
- the inverting terminal of the third comparator CMP3 is used to receive the third reference signal.
- the output port of the third comparator CMP3 is connected to the S port of the third RS flip-flop.
- the R port of the third RS flip-flop The port is connected to the third timer 203 .
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
La présente invention concerne un circuit et un appareil de test de capacité, et un dispositif. Le circuit de test comprend : un module d'attaque (10), un premier tube de commutation Q1, un deuxième tube de commutation Q2, un troisième tube de commutation Q3, un quatrième tube de commutation Q4, un premier condensateur C1, un second condensateur C2, une première résistance R1, un module de test (20) et une batterie (30). Le circuit de test teste l'état du premier condensateur au moyen du module de test, ce qui permet d'améliorer la précision lors du test de l'état du premier condensateur.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210428791.2 | 2022-04-22 | ||
| CN202210428791.2A CN114527407B (zh) | 2022-04-22 | 2022-04-22 | 电容检测电路、装置及设备 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023202690A1 true WO2023202690A1 (fr) | 2023-10-26 |
Family
ID=81628007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2023/089699 WO2023202690A1 (fr) | 2022-04-22 | 2023-04-21 | Circuit et appareil de test de capacité, et dispositif |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN114527407B (fr) |
| WO (1) | WO2023202690A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114527407B (zh) * | 2022-04-22 | 2022-07-08 | 深圳英集芯科技股份有限公司 | 电容检测电路、装置及设备 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101578526A (zh) * | 2007-01-12 | 2009-11-11 | 密克罗奇普技术公司 | 积分时间和/或电容测量系统、方法及设备 |
| US20140152275A1 (en) * | 2012-12-03 | 2014-06-05 | Anpec Electronics Corporation | Bootstrap Capacitor Detecting Circuit and Bootstrap DC-DC Converter Thereof |
| CN104795989A (zh) * | 2014-01-17 | 2015-07-22 | 凌力尔特公司 | 具有减小的浪涌电流及故障保护的切换式电容器dc-dc转换器 |
| CN109256945A (zh) * | 2017-07-14 | 2019-01-22 | 瑞萨电子美国有限公司 | 用于提供最小on时间的pwm控制方案 |
| CN109802560A (zh) * | 2018-12-27 | 2019-05-24 | 南京矽力杰半导体技术有限公司 | 开关电容变换器及其控制方法 |
| CN112595905A (zh) * | 2019-10-01 | 2021-04-02 | 斯莱戈科技公司 | 用于实时检测故障电容器的电路和方法 |
| CN113612385A (zh) * | 2021-07-07 | 2021-11-05 | 上海伏达半导体有限公司 | 电容计算装置、方法及系统 |
| CN113890354A (zh) * | 2020-07-03 | 2022-01-04 | 华为技术有限公司 | 一种谐振开关电容电路、电子设备 |
| CN114527407A (zh) * | 2022-04-22 | 2022-05-24 | 深圳英集芯科技股份有限公司 | 电容检测电路、装置及设备 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1863164A1 (fr) * | 2006-05-30 | 2007-12-05 | STMicroelectronics S.r.l. | Amélioration du rendement de récupération d'énergie pendant la phase transitoire d'un moteur pour l'entraînement de disque pour stationner la tête de lecture/écriture d'un disque magnétique en cas du défaut d'une source auxiliaire |
| CN201352762Y (zh) * | 2008-12-31 | 2009-11-25 | 西南交通大学 | 伪连续工作模式开关电源的多级脉冲序列控制装置 |
| US20210140798A1 (en) * | 2019-11-12 | 2021-05-13 | Hamilton Sundstrand Corporation | Determining a rotational direction of a resolver |
-
2022
- 2022-04-22 CN CN202210428791.2A patent/CN114527407B/zh active Active
- 2022-04-22 CN CN202211007986.6A patent/CN116973650A/zh active Pending
-
2023
- 2023-04-21 WO PCT/CN2023/089699 patent/WO2023202690A1/fr unknown
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101578526A (zh) * | 2007-01-12 | 2009-11-11 | 密克罗奇普技术公司 | 积分时间和/或电容测量系统、方法及设备 |
| US20140152275A1 (en) * | 2012-12-03 | 2014-06-05 | Anpec Electronics Corporation | Bootstrap Capacitor Detecting Circuit and Bootstrap DC-DC Converter Thereof |
| CN104795989A (zh) * | 2014-01-17 | 2015-07-22 | 凌力尔特公司 | 具有减小的浪涌电流及故障保护的切换式电容器dc-dc转换器 |
| CN109256945A (zh) * | 2017-07-14 | 2019-01-22 | 瑞萨电子美国有限公司 | 用于提供最小on时间的pwm控制方案 |
| CN109802560A (zh) * | 2018-12-27 | 2019-05-24 | 南京矽力杰半导体技术有限公司 | 开关电容变换器及其控制方法 |
| CN112595905A (zh) * | 2019-10-01 | 2021-04-02 | 斯莱戈科技公司 | 用于实时检测故障电容器的电路和方法 |
| CN113890354A (zh) * | 2020-07-03 | 2022-01-04 | 华为技术有限公司 | 一种谐振开关电容电路、电子设备 |
| CN113612385A (zh) * | 2021-07-07 | 2021-11-05 | 上海伏达半导体有限公司 | 电容计算装置、方法及系统 |
| CN114527407A (zh) * | 2022-04-22 | 2022-05-24 | 深圳英集芯科技股份有限公司 | 电容检测电路、装置及设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114527407B (zh) | 2022-07-08 |
| CN116973650A (zh) | 2023-10-31 |
| CN114527407A (zh) | 2022-05-24 |
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