Motor control system
阅读：203发布：2024-02-05
专利汇可以提供Motor control system专利检索，专利查询，专利分析的服务。并且A system for controlling the operation of a reversible electric motor employed in raising and lowering a flag in an automatic flagpole, including thermally responsive current-sensing switching devices and an electromagnetic relay means in a circuit with the motor and arranged to reverse the motor''s direction in response to a predetermined overloading due to obstruction to the free movement of the flag-carrying halyard driven by the motor and to restart the motor in its original direction of rotation after a predetermined time delay.，下面是Motor control system专利的具体信息内容。
1. A control system for periodically reversing the direction of rotation of an electric motor and restoring the original direction of rotation thereof after predetermined time delay in response to mechanical overload of means driven thereby comprising: electromagnetic relay means, two microswitch means, and two thermally responsive current-sensing switching devices, all in circuit with said motor and a source of electrical energy; said relay means comprising plural contacts connected in said circuit to cause said motor to rotate in either of two directions corresponding, respectively, to the energized and de-energized condition of said relay means; each said microswitch means being operable to isolate said motor from said source of energy in response to predetermined movement of the driven mEans, each said thermally responsive device comprising a current-sensitive heater means and a movable contact operably responsive thereto, said heater means thereof being in series circuit with an associated one of said microswitch means; whereby each said switching device is operated by its respective heater means in response to overload-induced excessive current in said circuit thereby to temporarily actuate said relay means from one to the other of its said energized and deenergized conditions and reverse said motor, until said associated one microswitch means operates to isolate said motor or said switching devive returns to its original circuit position, after a predetermined time delay in response to cooling of its heater means, whichever occurs first, restoration of said switching device to its original circuit position causing actuation of said relay means to the other of its said conditions to automatically restore the motor''s original direction of rotation.
2. The invention of claim 1, and a motor protector device in circuit with said motor to isolate the same from said source of energy, whereby the reversing cycle is repeated until the overload of the driven mean is overcome, or until said protector device operates to isolate said motor.
3. A system for controlling a reversible electric motor drivingly coupled with a flag-carrying halyard in an automatic flagpole assembly, the systemy being operable to automatically reverse the direction of rotation of the motor in response to an obstruction to the free operational movement of the halyard and to restore the original direction of rotation of the motor after predetermined time delay comprising: electromagnetic relay means, two microswitch means, and two thermally responsive current-sensing switching devices, all in circuit with said motor and a source of electrical energy; said relay means comprising plural contacts connected in said circuit to cause said motor to rotate in either of two directions corresponding, respectively, to the energized and deenergized condition of said relay means; each said microswitch means being operable to isolate said motor from said source of energy in response to predetermined movement of the driven means, each said thermally responsive device comprising a current-sensitive heater means and a movable contact operably responsive thereto, said heater means thereof being in series circuit with an associated one of said microswitch means; whereby each said switching device is operated by its respective heater means in response to overload-induced excessive current in said circuit thereby to temporarily actuate said relay means from one to the other of its said energized and deenergized conditions, and reverse said motor, until said associated one microswitch means operates to isolate said motor or said switching device returns to its original circuit position, after a predetermined time delay in response to cooling of its heater means, whichever occurs first, restoration of said switching device to its original circuit position causing actuation of said relay means to the other of its said conditions to automatically restore the motor''s original direction of rotation.
4. The invention according to claim 3, and a motor protector device in circuit with said motor to isolate the same from said source of energy, whereby the reversing cycle is repeated until the overload of the driven means is overcome, or until said protector device operates to isolate said motor.
5. The invention according to claim 3, and a pair of actuating lugs carried on the halyard, each of which operatively engages an associated one of said microswitch means.
| 标题 | 发布/更新时间 | 阅读量 |
|---|---|---|
| 一种装配阶段液压系统密封性和工作性能检查方法 | 2020-05-08 | 764 |
| 一种复合析出相强化2500MPa级超高强度钢及制造方法 | 2020-05-08 | 874 |
| 由自动刹车开关直接控制的飞机自动刹车系统 | 2020-05-08 | 222 |
| 飞机轮胎自动减磨损部件与原理 | 2020-05-08 | 682 |
| 一种Y5系列飞机换装涡轮螺旋桨发动机与Hartzell五叶螺旋桨反桨泵 | 2020-05-08 | 690 |
| 一种智能城市监控无人机 | 2020-05-08 | 284 |
| 一种具有空中余压报警功能的飞机刹车系统 | 2020-05-08 | 674 |
| 一种无人机摄像头的更换机构 | 2020-05-11 | 60 |
| 一种野生动物自然保护区监测用无人机 | 2020-05-11 | 89 |
| 无人机起落架无线充电接收装置 | 2020-05-08 | 1035 |
高效检索全球专利专利汇是专利免费检索,专利查询,专利分析-国家发明专利查询检索分析平台，是提供专利分析，专利查询，专利检索等数据服务功能的知识产权数据服务商。
我们的产品包含105个国家的1.26亿组数据，免费查、免费专利分析。
分析报告
专利汇分析报告产品可以对行业情报数据进行梳理分析，涉及维度包括行业专利基本状况分析、地域分析、技术分析、发明人分析、申请人分析、专利权人分析、失效分析、核心专利分析、法律分析、研发重点分析、企业专利处境分析、技术处境分析、专利寿命分析、企业定位分析、引证分析等超过60个分析角度，系统通过AI智能系统对图表进行解读，只需1分钟，一键生成行业专利分析报告。
起落架热门专利
QQ群二维码
意见反馈
意见反馈