CN205542481U - Sword melts switch with electricly prevent maloperation - Google Patents
Sword melts switch with electricly prevent maloperation Download PDFInfo
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- CN205542481U CN205542481U CN201620082423.7U CN201620082423U CN205542481U CN 205542481 U CN205542481 U CN 205542481U CN 201620082423 U CN201620082423 U CN 201620082423U CN 205542481 U CN205542481 U CN 205542481U
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Abstract
本实用新型公开了一种带有电气防误操作的刀熔开关，包括刀开关，所述刀开关连接有与三相线路连接的负荷开关，所述负荷开关上连接有检测信号线，所述检测信号线连接有控制装置；所述刀开关连接有控制其断开或者闭合的刀开关操作机构；还包括用于当负荷开关处于闭合状态时将刀开关操作机构锁紧以防误操作的机械闭锁装置，所述机械闭锁装置连接控制装置的输出端。本实用新型可广泛应用于低压配电系统，能有效防止低压运行维护操作人的误操作，提高了操作人员的安全操作防护等级，避免误操作带来的人身及财产的损害。
The utility model discloses a knife fuse switch with electrical misoperation prevention, comprising a knife switch, the knife switch is connected with a load switch connected with a three-phase line, the load switch is connected with a detection signal line, the The detection signal line is connected with a control device; the knife switch is connected with a knife switch operating mechanism that controls its opening or closing; it also includes a mechanical mechanism for locking the knife switch operating mechanism when the load switch is in a closed state to prevent misoperation. A locking device, the mechanical locking device is connected to the output end of the control device. The utility model can be widely used in low-voltage power distribution systems, can effectively prevent low-voltage operation and maintenance operators from misoperation, improves the safety operation protection level of operators, and avoids personal and property damage caused by misoperation.
Description
技术领域 technical field
本实用新型涉及一种带有电气防误操作的刀熔开关。 The utility model relates to a knife fuse switch with electrical misoperation prevention.
背景技术 Background technique
刀熔开关又称为熔断器式隔离开关，是隔离开关与熔断器组合而成的开关电器。这种组合型开关电器的使用可以简化配电装置的结构，目前已广泛应用于低压动力配电屏中。 Knife fuse switch, also known as fuse-type isolating switch, is a switching device composed of an isolating switch and a fuse. The use of this combined switching device can simplify the structure of the power distribution device, and has been widely used in low-voltage power distribution panels.
电气设备在运行和检修过程中，有明确规定操作人员严禁带负荷拉、合隔离开关，以免发生误操作，引发触电事故。因此，十分有必要在刀熔开关上安装防误操作的装置，本实用新型即为解决本问题。 During the operation and maintenance of electrical equipment, it is clearly stipulated that operators are strictly prohibited from pulling and closing the isolation switch with load, so as to avoid misoperation and electric shock accidents. Therefore, it is very necessary to install an anti-misoperation device on the knife melting switch, and the utility model is to solve this problem.
实用新型内容 Utility model content
为克服现有技术的不足，本实用新型的目的在于提供一种带有电气防误操作的刀熔开关，避免误操作带来的人身及财产的损害。 In order to overcome the deficiencies of the prior art, the purpose of this utility model is to provide a knife fuse switch with electrical misoperation prevention, so as to avoid personal and property damage caused by misoperation.
本实用新型为解决其技术问题采用的技术方案是： The technical scheme that the utility model adopts for solving its technical problem is:
一种带有电气防误操作的刀熔开关，包括刀开关，所述刀开关连接有与三相线路连接的负荷开关，所述负荷开关上连接有检测信号线，所述检测信号线连接有控制装置；所述刀开关连接有控制其断开或者闭合的刀开关操作机构；还包括用于当负荷开关处于闭合状态时将刀开关操作机构锁紧以防误操作的机械闭锁装置，所述机械闭锁装置连接控制装置的输出端。 A knife fuse switch with electrical misoperation prevention, comprising a knife switch, the knife switch is connected with a load switch connected with a three-phase line, the load switch is connected with a detection signal line, and the detection signal line is connected with a Control device; the knife switch is connected with a knife switch operating mechanism to control its opening or closing; it also includes a mechanical locking device for locking the knife switch operating mechanism to prevent misoperation when the load switch is in the closed state. The mechanical locking device is connected to the output terminal of the control device.
进一步，所述刀开关操作机构上设置有插孔，所述机械闭锁装置设有与插孔匹配的活动插杆。 Further, the knife switch operating mechanism is provided with a socket, and the mechanical locking device is provided with a movable insertion rod matching the socket.
进一步，所述检测信号线上设有电流互感器。 Further, a current transformer is provided on the detection signal line.
进一步，所述控制装置设有PLC控制器。 Further, the control device is provided with a PLC controller.
进一步，所述控制装置连接有用于显示负荷开关状态的显示模块。 Further, the control device is connected with a display module for displaying the state of the load switch.
本实用新型的有益效果是：本实用新型采用的一种带有电气防误操作的刀熔开关，可广泛应用于低压配电系统。在刀开关的机械选择操作部位，增加一套机械闭锁，通过检测负荷开关的分合信号，控制机械闭锁的闭合，进而有效的防止带负荷分合刀熔开关这种误操作情况的发生。防止低压运行维护操作人的误操作，提高了操作人员的安全操作防护等级，避免误操作带来的人身及财产的损害。 The beneficial effects of the utility model are: the utility model adopts a knife fuse switch with electrical misoperation prevention, which can be widely used in low-voltage power distribution systems. A set of mechanical lock is added to the mechanical selection operation part of the knife switch, and the closing of the mechanical lock is controlled by detecting the opening and closing signal of the load switch, thereby effectively preventing the occurrence of misoperation of the knife melting switch with load opening and closing. Prevent misoperation by low-voltage operation and maintenance operators, improve the protection level of safe operation of operators, and avoid personal and property damage caused by misoperation.
附图说明 Description of drawings
以下结合附图和实例对本实用新型作进一步说明。 Below in conjunction with accompanying drawing and example the utility model is described further.
图1是本实用新型的结构原理图。 Fig. 1 is the structure schematic diagram of the utility model.
具体实施方式 detailed description
参照图1，本实用新型的一种带有电气防误操作的刀熔开关，包括刀开关，所述刀开关连接有与三相线路连接的负荷开关，所述负荷开关上连接有检测信号线3，所述检测信号线3连接有控制装置；所述刀开关连接有控制其断开或者闭合的刀开关操作机构2；还包括用于当负荷开关处于闭合状态时将刀开关操作机构锁紧以防误操作的机械闭锁装置1，所述机械闭锁装置1连接控制装置的输出端。本实用新型可广泛应用于低压配电系统。在刀开关的机械选择操作部位，增加一套机械闭锁，通过检测负荷开关的分合信号，控制机械闭锁的闭合，进而有效的防止带负荷分合刀熔开关这种误操作情况的发生。防止低压运行维护操作人的误操作，提高了操作人员的安全操作防护等级，避免误操作带来的人身及财产的损害。 Referring to Fig. 1, a kind of electric knife fuse switch with electrical misoperation prevention of the utility model comprises a knife switch, and the load switch connected with the three-phase circuit is connected with the load switch, and the detection signal line is connected with the load switch 3. The detection signal line 3 is connected with a control device; the knife switch is connected with a knife switch operating mechanism 2 that controls its opening or closing; it also includes a knife switch operating mechanism for locking when the load switch is in a closed state In order to prevent the mechanical locking device 1 from misoperation, the mechanical locking device 1 is connected to the output terminal of the control device. The utility model can be widely used in low-voltage power distribution systems. A set of mechanical lock is added to the mechanical selection operation part of the knife switch, and the closing of the mechanical lock is controlled by detecting the opening and closing signal of the load switch, thereby effectively preventing the occurrence of misoperation of the knife melting switch with load opening and closing. Prevent misoperation by low-voltage operation and maintenance operators, improve the protection level of safe operation of operators, and avoid personal and property damage caused by misoperation.
对于刀开关操作机构2以及机械闭锁装置1的结构形式，本实用新型不作具体要求，本实用新型提供一种优选的实施方式：所述刀开关操作机构2上设置有插孔，所述机械闭锁装置1设有与插孔匹配的活动插杆，当负荷开关带电时，活动插杆插入刀开关操作机构2上的插孔中，负荷开关断电时，活动插杆离开所述刀开关操作机构2上的插孔。 For the structural form of the knife switch operating mechanism 2 and the mechanical locking device 1, the utility model does not make specific requirements, and the utility model provides a preferred embodiment: the knife switch operating mechanism 2 is provided with a socket, and the mechanical locking device Device 1 is provided with a movable plunger matching the socket. When the load switch is electrified, the movable plunger is inserted into the socket on the knife switch operating mechanism 2. When the load switch is powered off, the movable plunger leaves the knife switch operating mechanism. 2 jacks.
作为优选的实施方式，所述检测信号线3上设有电流互感器。 As a preferred embodiment, the detection signal line 3 is provided with a current transformer.
作为优选的实施方式，所述控制装置设有PLC控制器。 As a preferred embodiment, the control device is provided with a PLC controller.
作为优选的实施方式，所述控制装置连接有用于显示负荷开关状态的显示模块。 As a preferred embodiment, the control device is connected with a display module for displaying the state of the load switch.
以上所述，只是本实用新型的较佳实施例而已，本实用新型并不局限于上述实施方式，只要其以相同的手段达到本实用新型的技术效果，都应属于本实用新型的保护范围。 The above is only a preferred embodiment of the utility model, and the utility model is not limited to the above-mentioned embodiment, as long as it achieves the technical effect of the utility model by the same means, it should belong to the protection scope of the utility model.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620082423.7U CN205542481U (en) | 2016-01-26 | 2016-01-26 | Sword melts switch with electricly prevent maloperation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620082423.7U CN205542481U (en) | 2016-01-26 | 2016-01-26 | Sword melts switch with electricly prevent maloperation |
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|---|---|
| CN205542481U true CN205542481U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620082423.7U Expired - Lifetime CN205542481U (en) | 2016-01-26 | 2016-01-26 | Sword melts switch with electricly prevent maloperation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649473A (en) * | 2018-05-18 | 2018-10-12 | 苏州天鸿电子有限公司 | An installation process of knife fuse switch in the production process of distribution box |
-
2016
- 2016-01-26 CN CN201620082423.7U patent/CN205542481U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649473A (en) * | 2018-05-18 | 2018-10-12 | 苏州天鸿电子有限公司 | An installation process of knife fuse switch in the production process of distribution box |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20160831 |