MX344986B - Humectación de contactos de conmutador con bajo consumo de pico de corriente instantanea. - Google Patents
Humectación de contactos de conmutador con bajo consumo de pico de corriente instantanea.Info
- Publication number
- MX344986B MX344986B MX2014002187A MX2014002187A MX344986B MX 344986 B MX344986 B MX 344986B MX 2014002187 A MX2014002187 A MX 2014002187A MX 2014002187 A MX2014002187 A MX 2014002187A MX 344986 B MX344986 B MX 344986B
- Authority
- MX
- Mexico
- Prior art keywords
- current
- wetting
- circuit
- controller
- switch
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/60—Auxiliary means structurally associated with the switch for cleaning or lubricating contact-making surfaces
- H01H1/605—Cleaning of contact-making surfaces by relatively high voltage pulses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/167—Circuits for remote indication
Landscapes
- Keying Circuit Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
Se describe un circuito de humectación de contactos 100 para suministrar corriente de humectación para percibir el estado de los contactos secos de un conmutador SW1 que ajusta un dispositivo electrónico 10. El circuito de humectación de contactos incluye un circuito RC 110 que tiene una resistencia R1 y un capacitor C1, y un controlador 120 conectado a un suministro de energía o potencia 130 del dispositivo. El controlador suministra un primer voltaje al circuito RC para producir una corriente d carga que tiene una corriente promedio y/o una corriente pico por abajo del parámetro de corriente de humectación de los contactos secos. La corriente de carga se usa para cargar el capacitador C1 durante el primer período de tiempo. El contralor detiene el suministro del primer voltaje al circuito RC después de una carga suficiente para permitir que el capacitador cargado C1 suministre un segundo voltaje, a través del conmutador SW1, para producir una corriente de humectación. Posteriormente, el controlador sondea y percibe el estado del conmutador SW1, y por consiguiente realiza ciertas operaciones.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/141,755 US9837219B2 (en) | 2013-12-27 | 2013-12-27 | Switch contact wetting with low peak instantaneous current draw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX2014002187A MX2014002187A (es) | 2015-06-26 |
| MX344986B true MX344986B (es) | 2017-01-12 |
Family
ID=53482600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2014002187A MX344986B (es) | 2013-12-27 | 2014-02-25 | Humectación de contactos de conmutador con bajo consumo de pico de corriente instantanea. |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9837219B2 (es) |
| CA (1) | CA2842049C (es) |
| MX (1) | MX344986B (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3185268B1 (en) * | 2015-12-21 | 2018-10-10 | Kone Corporation | An arrangement and a method for purging an electrical contact |
| CN108628792B (zh) * | 2018-05-14 | 2021-02-19 | 福建科立讯通信有限公司 | 通信接口防电流泄漏系统及方法 |
| WO2020053764A1 (en) | 2018-09-10 | 2020-03-19 | Thales Canada Inc. | Wetting current control for input circuit |
| US11735375B2 (en) | 2020-02-19 | 2023-08-22 | Honeywell International Inc. | ECS equipment reliability through wetting current |
| US12198872B2 (en) * | 2022-05-23 | 2025-01-14 | The Boeing Company | Systems and methods for detecting and removing residue from low current electrical contacts |
| US20240183060A1 (en) * | 2022-12-01 | 2024-06-06 | Milwaukee Electric Tool Corporation | Power tool including switch wetting |
| CN118962430B (zh) * | 2024-10-12 | 2025-01-24 | 国网山西省电力公司忻州供电公司 | 一种配电网故障自判式开关装置的诊断方法及系统 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3281829A (en) | 1963-12-20 | 1966-10-25 | Burroughs Corp | Contact wetter and encoder |
| US4745262A (en) * | 1985-06-07 | 1988-05-17 | Appliance Control Systems (Holdings) Pty. Ltd. | Energy control system |
| US5729167A (en) | 1996-02-01 | 1998-03-17 | Motorola, Inc. | Low power consumption switch interface circuit |
| GB9920143D0 (en) * | 1999-08-26 | 1999-10-27 | Lucas Industries Ltd | Method and apparatus for determining switch status |
| AU731189B1 (en) * | 1999-12-10 | 2001-03-29 | Robert Bosch Gmbh | A switch input circuit |
| US6653810B2 (en) * | 2001-01-12 | 2003-11-25 | Hewlett-Packard Development Company, L.P. | Motor control system |
| JP4798779B2 (ja) * | 2005-08-17 | 2011-10-19 | タイコ・エレクトロニクス・コーポレイション | 界面活性化リレーコンタクト用回路及びリレーコンタクトの界面活性化方法 |
| US9355791B2 (en) * | 2012-11-19 | 2016-05-31 | Hamilton Sundstrand Corporation | Discrete input circuit |
| WO2014138526A1 (en) * | 2013-03-07 | 2014-09-12 | Carling Technologies, Inc. | Low current switch |
-
2013
- 2013-12-27 US US14/141,755 patent/US9837219B2/en active Active
-
2014
- 2014-01-31 CA CA2842049A patent/CA2842049C/en active Active
- 2014-02-25 MX MX2014002187A patent/MX344986B/es active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CA2842049A1 (en) | 2015-06-27 |
| CA2842049C (en) | 2021-05-25 |
| US9837219B2 (en) | 2017-12-05 |
| MX2014002187A (es) | 2015-06-26 |
| US20150187519A1 (en) | 2015-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant or registration |