CN201395466Y - Electromagnetic crane power failure magnetic protection device - Google Patents

Electromagnetic crane power failure magnetic protection device Download PDF

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Publication number
CN201395466Y
CN201395466Y CN2009200369881U CN200920036988U CN201395466Y CN 201395466 Y CN201395466 Y CN 201395466Y CN 2009200369881 U CN2009200369881 U CN 2009200369881U CN 200920036988 U CN200920036988 U CN 200920036988U CN 201395466 Y CN201395466 Y CN 201395466Y
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switch
electromagnet
battery pack
power failure
protection device
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Expired - Fee Related
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CN2009200369881U
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张如锦
游培荣
邵杏龙
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Jiangsu Wode Crane Co Ltd
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Jiangsu Wode Crane Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

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Abstract

本实用新型公开了一种电磁吊车停电保磁装置，旨在提供一种停电保磁装置，能在停电时投入备用电源，使电磁吊车的电磁铁及大车、小车、主钩短时运行，将被吊物放到安全位置，避免被吊物掉落的事故，属于起重设备技术领域。它包括电磁铁、整流组件、蓄电池组、逆变组件，开关K1，开关K2，开关K3，所述开关K1的进线端输入三相交流电源，其出线端分别与大小车主钩电路、开关K2进线端、整流组件输入端相连，整流组件输出端经过开关K3与电磁铁相连，电磁铁与蓄电池组相连，蓄电池组与逆变组件输入端相连，逆变组件输出端与开关K2出线端相连。本实用新型可以在停电时投入蓄电池备用电源，能使电磁吊的电磁铁及大车、小车、主钩短时运行。

Figure 200920036988

The utility model discloses a power failure magnetic protection device for an electromagnetic crane, which aims to provide a power failure magnetic protection device, which can be put into a backup power supply during a power failure, so that the electromagnet, the cart, the trolley and the main hook of the electromagnetic crane run for a short time, The invention relates to placing the suspended object in a safe position and avoiding the accident that the suspended object falls, and belongs to the technical field of hoisting equipment. It includes an electromagnet, a rectifier assembly, a battery pack, an inverter assembly, a switch K1, a switch K2, and a switch K3. The input terminal of the switch K1 is input with a three-phase AC power supply, and the output terminals of the switch K1 are respectively connected to the large and small vehicle main hook circuits and the switch K2. The incoming line terminal is connected to the input terminal of the rectifier component, the output terminal of the rectifier component is connected to the electromagnet through the switch K3, the electromagnet is connected to the battery pack, the battery pack is connected to the input terminal of the inverter component, and the output terminal of the inverter component is connected to the outlet terminal of the switch K2 . The utility model can be put into battery backup power when the power is cut off, so that the electromagnet of the electromagnetic crane, the cart, the trolley and the main hook can run for a short time.

Figure 200920036988

Description

电磁吊车停电保磁装置 Electromagnetic crane power failure magnetic protection device

技术领域 technical field

本实用新型涉及一种吊车停电保护装置，尤其涉及一种电磁吊车停电保磁装置，属于起重设备技术领域。The utility model relates to a power failure protection device for a crane, in particular to an electromagnetic crane power failure protection device, which belongs to the technical field of lifting equipment.

背景技术 Background technique

现有的采用软磁性电磁铁的电磁吊车，在起重电磁铁处于工作状态时，若遇电网停电或主整流电路故障时，电磁铁失磁，会造成被吊物掉落，发生人员或设备事故。因此必须对现有的采用软磁性电磁铁的电磁吊车进行改造，避免发生因电磁铁失磁造成人员或设备事故。Existing electromagnetic cranes using soft magnetic electromagnets, when the lifting electromagnet is in working condition, if the power grid fails or the main rectifier circuit fails, the electromagnet loses its magnetism, which will cause the suspended object to fall, causing personnel or equipment damage. ACCIDENT. Therefore, the existing electromagnetic cranes that adopt soft magnetic electromagnets must be transformed to avoid personnel or equipment accidents caused by electromagnet demagnetization.

实用新型内容 Utility model content

本实用新型的目的在于提供一种电磁吊车停电保磁装置，在停电时投入备用电源，能使电磁吊车的电磁铁及大车、小车、主钩短时运行，将被吊物放到安全位置，避免被吊物掉落的事故。The purpose of this utility model is to provide a magnetic protection device for power failure of an electromagnetic crane. When the power is cut off, the standby power supply can be put in, so that the electromagnet, cart, trolley and main hook of the electromagnetic crane can run for a short time, and the objects to be hoisted can be placed in a safe position. , to avoid the accident of the hanging object falling.

本实用新型的目的通过以下技术方案予以实现：The purpose of this utility model is achieved through the following technical solutions:

一种电磁吊车停电保磁装置，包括电磁铁1，整流组件2，蓄电池组3，逆变组件4，开关I K1，开关II K2，开关III K3。所述开关I K1的进线端输入三相交流电源，其出线端分别与大小车主钩电路、开关II K2进线端、整流组件2输入端相连，整流组件2输出端经过开关III K3与电磁铁1相连，电磁铁1与蓄电池组3相连，蓄电池组3与逆变组件4输入端相连，逆变组件4输出端与开关II K2出线端相连。An electromagnetic crane power failure magnetic protection device includes an electromagnet 1, a rectifier assembly 2, a battery pack 3, an inverter assembly 4, a switch I K1, a switch II K2, and a switch III K3. The incoming line end of the switch I K1 is input with a three-phase AC power supply, and its outgoing line end is respectively connected with the large and small car main hook circuit, the incoming line end of the switch II K2, and the input end of the rectification assembly 2, and the output end of the rectification assembly 2 is connected to the electromagnetic through the switch III K3. The iron 1 is connected, the electromagnet 1 is connected with the battery pack 3, the battery pack 3 is connected with the input end of the inverter assembly 4, and the output end of the inverter assembly 4 is connected with the outlet end of the switch II K2.

与现有技术相比，本实用新型的有益效果是：Compared with the prior art, the beneficial effects of the utility model are:

本实用新型可以在停电时投入蓄电池备用电源，蓄电池给电磁铁供电，同时蓄电池直流电源经逆变组件逆变成三相交流电源供给大车、小车、主钩，能使电磁吊的电磁铁及大车、小车、主钩短时运行，将被吊物放到安全位置，避免被吊物掉落的事故。The utility model can be put into battery backup power during power failure, and the battery supplies power to the electromagnet. At the same time, the DC power of the battery is converted into a three-phase AC power supply through the inverter assembly to supply the cart, trolley and main hook, so that the electromagnet of the electromagnetic crane and the The cart, trolley, and main hook run for a short time to put the suspended object in a safe place to avoid the accident of the suspended object falling.

附图说明 Description of drawings

图1是本实用新型的电路图。Fig. 1 is a circuit diagram of the utility model.

具体实施方式 Detailed ways

下面结合附图和具体实施例对本实用新型作进一步说明。Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.

如图1所示，电磁吊车停电保磁装置，包括电磁铁1，整流组件2，蓄电池组3，逆变组件4，开关I K1，开关II K2，开关III K3。所述开关I K1的进线端输入三相交流电源，其出线端分别与大小车主钩电路、开关II K2进线端、整流组件2输入端相连，整流组件2输出端经过开关III K3与电磁铁1相连，电磁铁1与蓄电池组3相连，蓄电池组3与逆变组件4输入端相连，逆变组件4输出端与开关II K2出线端相连。As shown in Figure 1, the electromagnetic crane power failure magnetic protection device includes an electromagnet 1, a rectifier component 2, a battery pack 3, an inverter component 4, a switch I K1, a switch II K2, and a switch III K3. The incoming line end of the switch I K1 is input with a three-phase AC power supply, and its outgoing line end is respectively connected with the large and small car main hook circuit, the incoming line end of the switch II K2, and the input end of the rectification assembly 2, and the output end of the rectification assembly 2 is connected to the electromagnetic through the switch III K3. The iron 1 is connected, the electromagnet 1 is connected with the battery pack 3, the battery pack 3 is connected with the input end of the inverter assembly 4, and the output end of the inverter assembly 4 is connected with the outlet end of the switch II K2.

三相交流电源供电正常时，开关I K1、开关III K3接通，开关II K2断开，整流组件2将交流电整流成直流电送至电磁铁1及蓄电池组3，供电磁铁1工作及蓄电池组3充电；三相交流电源断电时，开关I K1、开关III K3断开，开关II K2接通，蓄电池组3放电，将直流电送至电磁铁1及逆变组件4，电磁铁1用其工作，逆变组件4将其逆变成三相交流电给大小车主钩电路供电。本实用新型的保磁时间可达到15分钟以上。When the three-phase AC power supply is normal, the switch I K1 and the switch III K3 are turned on, the switch II K2 is turned off, the rectifier component 2 rectifies the alternating current into direct current and sends it to the electromagnet 1 and the battery pack 3, and the power supply magnet 1 works and the battery pack 3 Charging; when the three-phase AC power supply is cut off, the switch I K1 and the switch III K3 are turned off, the switch II K2 is turned on, the battery pack 3 is discharged, and the DC power is sent to the electromagnet 1 and the inverter component 4, and the electromagnet 1 works with it , the inverter assembly 4 inverts it into a three-phase alternating current to supply power to the large and small car owner hook circuits. The magnetic retention time of the utility model can reach more than 15 minutes.

除上述实施例外，本实用新型还可以有其他实施方式，凡采用等同替换或等效变换形成的技术方案，均落在本实用新型要求的保护范围内。In addition to the above-mentioned embodiments, the utility model can also have other implementation modes, and all technical solutions formed by equivalent replacement or equivalent transformation all fall within the scope of protection required by the utility model.

Claims (1)

1.一种电磁吊车停电保磁装置，包括电磁铁(1)，整流组件(2)，开关IK1，其特征在于，还包括蓄电池组(3)，逆变组件(4)，开关II K2，开关III K3，所述开关I K1的进线端输入三相交流电源，其出线端分别与大小车主钩电路、开关II K2进线端、整流组件(2)输入端相连，整流组件(2)输出端经过开关III K3与电磁铁(1)相连，电磁铁(1)与蓄电池组(3)相连，蓄电池组(3)与逆变组件(4)输入端相连，逆变组件(4)输出端与开关II K2出线端相连。1. An electromagnetic crane power failure magnetic protection device, comprising electromagnet (1), rectifier assembly (2), switch IK1, is characterized in that, also includes battery pack (3), inverter assembly (4), switch II K2, Switch III K3, the incoming line end of the switch I K1 is input with three-phase AC power supply, and its outgoing line end is respectively connected with the large and small car main hook circuit, the incoming line end of switch II K2, and the input end of the rectification component (2), and the rectification component (2) The output terminal is connected to the electromagnet (1) through the switch III K3, the electromagnet (1) is connected to the storage battery pack (3), the storage battery pack (3) is connected to the input terminal of the inverter component (4), and the output terminal of the inverter component (4) The end is connected with the outlet end of the switch II K2.
CN2009200369881U 2009-03-03 2009-03-03 Electromagnetic crane power failure magnetic protection device Expired - Fee Related CN201395466Y (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104876107A (en) * 2014-02-28 2015-09-02 大连星航机电设备有限公司 Anti-steel-plate-falling lifting electromagnet equipment on ship unloader
CN108705533A (en) * 2018-05-16 2018-10-26 塞伯睿机器人技术（长沙）有限公司 The automatic cut-off protection maintaining method of industrial robot and the industrial robot for realizing this method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104876107A (en) * 2014-02-28 2015-09-02 大连星航机电设备有限公司 Anti-steel-plate-falling lifting electromagnet equipment on ship unloader
CN108705533A (en) * 2018-05-16 2018-10-26 塞伯睿机器人技术（长沙）有限公司 The automatic cut-off protection maintaining method of industrial robot and the industrial robot for realizing this method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100203

Termination date: 20140303