CN204511941U - Two fans switched system - Google Patents
Two fans switched system Download PDFInfo
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- CN204511941U CN204511941U CN201520171511.XU CN201520171511U CN204511941U CN 204511941 U CN204511941 U CN 204511941U CN 201520171511 U CN201520171511 U CN 201520171511U CN 204511941 U CN204511941 U CN 204511941U
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Abstract
本实用新型提供了一种双风机切换系统。该系统包括开关模组，第一风机接触器和第二风机接触器，开关模组包括手柄开关、第一继电器、中间继电器和第二继电器，第一继电器具有第一常开触点，中间继电器具有常闭触点，第二继电器具有第二常开触点和第三常开触点，手柄开关、第一继电器、第二继电器串联后接在电源两端，中间继电器并联在手柄开关两端，第二继电器的第三常开触点并联在第一继电器两端，中间继电器的常闭触点并联在第二继电器两端，第一继电器的第一常开触点与第一风机接触器串联后接在电源两端，第二继电器的第二常开触点与第二风机接触器串联后接在电源两端。本实用新型能够在两个风机之间进行无缝切换。
The utility model provides a double fan switching system. The system includes a switch module, a first fan contactor and a second fan contactor, the switch module includes a handle switch, a first relay, an intermediate relay and a second relay, the first relay has a first normally open contact, and the intermediate relay It has a normally closed contact, the second relay has a second normally open contact and a third normally open contact, the handle switch, the first relay, and the second relay are connected in series to both ends of the power supply, and the intermediate relay is connected in parallel to both ends of the handle switch , the third normally open contact of the second relay is connected in parallel to both ends of the first relay, the normally closed contact of the intermediate relay is connected in parallel to both ends of the second relay, the first normally open contact of the first relay is connected to the first fan contactor It is connected in series to both ends of the power supply, and the second normally open contact of the second relay is connected in series to the second fan contactor and connected to both ends of the power supply. The utility model can seamlessly switch between two blowers.
Description
技术领域 technical field
本实用新型涉及矿井通风技术领域，特别是涉及一种双风机切换系统。 The utility model relates to the technical field of mine ventilation, in particular to a double fan switching system.
背景技术 Background technique
风机是矿山，特别是煤矿的重要设备，用于矿井通风。矿井通风涉及到矿井作业人员的安全，如果风机运行不良，将造成矿井的瓦斯积累，容易引发爆炸事故。因此，矿井中通常配备两台风机，以应对风机出现故障而没有相应的应急措施。 The fan is an important equipment for mines, especially coal mines, and is used for mine ventilation. Mine ventilation is related to the safety of mine operators. If the fan does not work well, it will cause the accumulation of gas in the mine, which may easily lead to explosion accidents. Therefore, two fans are usually equipped in the mine to deal with the failure of the fans without corresponding emergency measures.
现有技术中，为保证风机的可靠性，通常会定期进行风机的轮流运行，在轮换过程中会出现一段时间的停机，这对于具有瓦斯存在的煤矿行业存在极大的风险。 In the prior art, in order to ensure the reliability of the fan, the fan is usually rotated regularly, and the fan will be shut down for a period of time during the rotation, which poses a great risk to the coal mining industry with gas.
实用新型内容 Utility model content
本实用新型主要解决的技术问题是提供一种双风机切换系统，能够在两个风机之间进行无缝切换。 The technical problem mainly solved by the utility model is to provide a double fan switching system, which can seamlessly switch between the two fans.
为解决上述技术问题，本实用新型采用的一个技术方案是：提供一种双风机切换系统，包括开关模组，第一风机接触器(TJ1)和第二风机接触器(TJ2)，所述开关模组包括手柄开关(K)、第一继电器(KA1)、中间继电器(KA2)和第二继电器(KA3)，所述第一继电器(KA1)具有第一常开触点(CJ1)，所述中间继电器(KA2)具有常闭触点(CJ2)，所述第二继电器(KA3)具有第二常开触点(CJ3)和第三常开触点(CJ4)，所述手柄开关(K)、第一继电器(KA1)、第二继电器(KA3)串联后接在电源两端，所述中间继电器(KA2)并联在手柄开关(K)两端，所述第三常开触点(CJ4)并联在第一继电器(KA1)两端，所述常闭触点(CJ2)并联在第二继电器(KA3)两端，所述第一常开触点(CJ1)与所述第一 风机接触器(TJ1)串联后接在电源两端，所述第二常开触点(CJ3)与所述第二风机接触器(TJ2)串联后接在电源两端。 In order to solve the above technical problems, a technical solution adopted by the utility model is to provide a dual fan switching system, including a switch module, a first fan contactor (TJ1) and a second fan contactor (TJ2), the switch The module includes a handle switch (K), a first relay (KA1), an intermediate relay (KA2) and a second relay (KA3), the first relay (KA1) has a first normally open contact (CJ1), and the The intermediate relay (KA2) has a normally closed contact (CJ2), the second relay (KA3) has a second normally open contact (CJ3) and a third normally open contact (CJ4), and the handle switch (K) 1. The first relay (KA1) and the second relay (KA3) are connected in series to both ends of the power supply, the intermediate relay (KA2) is connected in parallel to both ends of the handle switch (K), and the third normally open contact (CJ4) The two ends of the first relay (KA1) are connected in parallel, the normally closed contact (CJ2) is connected in parallel at the two ends of the second relay (KA3), the first normally open contact (CJ1) and the first fan contactor (TJ1) is connected in series to both ends of the power supply, and the second normally open contact (CJ3) is connected in series to the second fan contactor (TJ2) and connected to both ends of the power supply.
区别于现有技术的情况，本实用新型的有益效果是：在两台风机之间进行切换时，能够实现无缝切换，能够正常、及时给矿井供风，保证井下风量基本保持不变，保障矿井瓦斯安全。 Different from the situation of the prior art, the beneficial effect of the utility model is: when switching between two fans, seamless switching can be realized, and air can be supplied to the mine normally and in time, ensuring that the underground air volume remains basically unchanged, ensuring Mine gas safety.
附图说明 Description of drawings
图1是本实用新型实施例双风机切换系统的电路结构示意图。 Fig. 1 is a schematic diagram of the circuit structure of a dual fan switching system according to an embodiment of the present invention.
具体实施方式 Detailed ways
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。 The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
请参见图1，是本实用新型实施例双风机切换系统的电路结构示意图。双风机切换系统包括开关模组，第一风机接触器TJ1和第二风机接触器TJ2，开关模组包括手柄开关K、第一继电器KA1、中间继电器KA2和第二继电器KA3，第一继电器KA1具有第一常开触点CJ1，中间继电器KA2具有常闭触点CJ2，第二继电器KA3具有第二常开触点CJ3和第三常开触点CJ4，手柄开关K、第一继电器KA1、第二继电器KA3串联后接在电源两端，中间继电器KA2并联在手柄开关K两端，第二继电器KA3的第三常开触点CJ4并联在第一继电器KA1两端，中间继电器KA2的常闭触点CJ2并联在第二继电器KA3两端，第一继电器KA1的第一常开触点CJ1与第一风机接触器TJ1串联后接在电源两端，第二继电器KA3的第二常开触点CJ3与第二风机接触器TJ2串联后接在电源两端。 Please refer to FIG. 1 , which is a schematic diagram of a circuit structure of a dual fan switching system according to an embodiment of the present invention. The dual fan switching system includes a switch module, the first fan contactor TJ1 and the second fan contactor TJ2, the switch module includes a handle switch K, the first relay KA1, the intermediate relay KA2 and the second relay KA3, the first relay KA1 has The first normally open contact CJ1, the intermediate relay KA2 has a normally closed contact CJ2, the second relay KA3 has a second normally open contact CJ3 and a third normally open contact CJ4, the handle switch K, the first relay KA1, the second The relay KA3 is connected in series to both ends of the power supply, the intermediate relay KA2 is connected in parallel to both ends of the handle switch K, the third normally open contact CJ4 of the second relay KA3 is connected in parallel to both ends of the first relay KA1, and the normally closed contact of the intermediate relay KA2 CJ2 is connected in parallel to the two ends of the second relay KA3, the first normally open contact CJ1 of the first relay KA1 is connected in series with the first fan contactor TJ1 and then connected to both ends of the power supply, the second normally open contact CJ3 of the second relay KA3 is connected to The second fan contactor TJ2 is connected in series to both ends of the power supply.
当需要第一风机运行时，将手柄开关K置于闭合位置，中间继电器KA2被短路，常闭触点CJ2保持闭合，第二继电器KA3被短路，第三常开触点CJ4保持断开，第一继电器KA1得电，第一常开触点CJ1闭合， 第一风机接触器TJ1得电，第一风机运行。 When the first fan needs to run, put the handle switch K in the closed position, the intermediate relay KA2 is short-circuited, the normally closed contact CJ2 remains closed, the second relay KA3 is short-circuited, the third normally open contact CJ4 remains open, and the second A relay KA1 is energized, the first normally open contact CJ1 is closed, the first fan contactor TJ1 is energized, and the first fan runs.
当需要第二风机运行时，将手柄开关K置于开路位置，中间继电器KA2得电，常闭触点CJ2断开，第二继电器KA3得电，第三常开触点CJ4闭合，第一继电器KA1被短路，第一常开触点CJ1断开，第一风机接触器TJ1失电，第一风机停止运行，同时，第二常开触点CJ3闭合，第二风机接触器TJ2得电，第二风机运行。 When the second fan is required to run, put the handle switch K in the open circuit position, the intermediate relay KA2 is energized, the normally closed contact CJ2 is disconnected, the second relay KA3 is energized, the third normally open contact CJ4 is closed, and the first relay KA1 is short-circuited, the first normally open contact CJ1 is disconnected, the first fan contactor TJ1 loses power, the first fan stops running, at the same time, the second normally open contact CJ3 is closed, the second fan contactor TJ2 is energized, and the second fan contactor TJ2 is energized. The second fan is running.
上述过程可重复进行，实现两个风机轮流运行，并且在第一风机接触器TJ1失电时，第二风机接触器TJ2马上得电，而第一风机接触器TJ1得电时，第二风机接触器TJ2马上失电，从而实现在两个风机之间进行无缝切换。 The above process can be repeated to realize the alternate operation of the two fans, and when the first fan contactor TJ1 is de-energized, the second fan contactor TJ2 is energized immediately, and when the first fan contactor TJ1 is energized, the second fan contactor The switch TJ2 loses power immediately, so as to realize seamless switching between the two fans.
以上所述仅为本实用新型的实施例，并非因此限制本实用新型的专利范围，凡是利用本实用新型说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本实用新型的专利保护范围内。 The above is only an embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure or equivalent process conversion made by using the utility model specification and accompanying drawings, or directly or indirectly used in other Related technical fields are all included in the patent protection scope of the present utility model in the same way.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171511.XU CN204511941U (en) | 2015-03-25 | 2015-03-25 | Two fans switched system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171511.XU CN204511941U (en) | 2015-03-25 | 2015-03-25 | Two fans switched system |
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| CN204511941U true CN204511941U (en) | 2015-07-29 |
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| CN201520171511.XU Expired - Lifetime CN204511941U (en) | 2015-03-25 | 2015-03-25 | Two fans switched system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028320A (en) * | 2018-06-11 | 2018-12-18 | 太仓双赢电子电气成套设备有限公司 | Air purifier |
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- 2015-03-25 CN CN201520171511.XU patent/CN204511941U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028320A (en) * | 2018-06-11 | 2018-12-18 | 太仓双赢电子电气成套设备有限公司 | Air purifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 30, Longshan Avenue, Pu Lu street, Tongliang District, Chongqing (Industrial Park) Patentee after: Chongqing feierda ventilation equipment Limited by Share Ltd Address before: 404100 Longshan Road, 30 (Industrial Park), Tongliang County, Tongliang County, Tongliang County Patentee before: CHONGQING FIND MACHINERY CO., LTD. |
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| CP03 | Change of name, title or address |