CN204991335U - Magnetic control cabinet is protected in contactless power failure of electromagnet - Google Patents
Magnetic control cabinet is protected in contactless power failure of electromagnet Download PDFInfo
- Publication number
- CN204991335U CN204991335U CN201520668327.6U CN201520668327U CN204991335U CN 204991335 U CN204991335 U CN 204991335U CN 201520668327 U CN201520668327 U CN 201520668327U CN 204991335 U CN204991335 U CN 204991335U
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- CN
- China
- Prior art keywords
- contactless
- magnetic
- major loop
- guarantor
- lifting electromagnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model relates to a magnetic control cabinet is protected in contactless power failure of electromagnet, including electromagnet excitation major loop (10), the electromagnet major loop (11) that demagnetize, excitation / demagnetization control panel (15), characteristics still include the battery, with storage battery charging major loop (12) that the battery is connected, control these storage battery charging major loop (12) storage battery charging board (16) for storage battery charging, be equipped with contactless guarantor's magnetism major loop (13) and contactless guarantor's magnetism afterflow major loop (14) between electromagnet excitation major loop (10) and battery, control electromagnet excitation major loop (10) is kept apart and is switched on with the battery to and control panel (17) are transferred to contactless guarantor magnetism / afterflow / the main hook emergency that switches on and close of the contactless guarantor's magnetism afterflow major loop of control (14). It switches can not have mechanical contact between mains supply and the storage battery power supply when electromagnet during operation chance power system blackouts or electric network source are low.
Description
Technical field
The utility model relates to a kind of lifting electromagnet contactless power failure protector magnetic control cabinet, belongs to electrical equipment.
Background technology
Lifting electromagnet is mainly used in the various steel such as shipyard, steel plant, Welding Structure factory and slag, the handling of steel scrap, transhipment, is normally made up of iron core and coil and magnetic conductive cylinder (plate).Its operation principle generates an electromagnetic field when the coil is energized, makes iron core have magnetic attraction force, and then be used for transporting the object of ferromagnetic materials.In fact electromagnet is a kind of magnetic apparatus with solenoid, and electromagnet all has supporting control cubicle.And in existing lifting electromagnet contactless power failure protector magnetic electrical control cubicles, diode, controllable silicon is adopted in guarantor's magnetic major loop and guarantor's magnetic afterflow major loop, or D.C. contactor element, cause charge in batteries loop and lifting electromagnet excitation main circuit there is no complete electrical isolation or buffer circuit mechanical contact.
Utility model content
In view of this, meet when the purpose of this utility model is to provide the work of a kind of lifting electromagnet grid power blackout or electric network source low time mains supply and storage battery power supply between carry out a kind of lifting electromagnet contactless power failure protector magnetic electrical control cubicles of mechanical contact change-over.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of lifting electromagnet contactless power failure protector magnetic control cabinet, comprise lifting electromagnet excitation main circuit (10) and lifting electromagnet demagnetization major loop (11), and excitation/demagnetization control board (15), be characterised in that, it also comprises:
Storage battery, the charge in batteries major loop (12) be connected with this storage battery, and control this charge in batteries major loop (12) to the charge in batteries plate (16) of described charge in batteries;
Contactless guarantor's magnetic major loop (13) and contactless guarantor's magnetic afterflow major loop (14) is also provided with between described lifting electromagnet excitation main circuit (10) and described storage battery, and control described lifting electromagnet excitation main circuit (10) and described storage battery and isolate and contactless guarantor's magnetic/afterflow/main hook of conducting is met an urgent need and transferred control board (17), this is contactless, and guarantor's magnetic/afterflow/main hook meets an urgent need transfers control board (17) also for controlling conducting and the closedown of described contactless guarantor's magnetic afterflow major loop (14).
Preferably, above-mentioned a kind of lifting electromagnet contactless power failure protector magnetic control cabinet, wherein said contactless guarantor's magnetic major loop (13) comprises the diode of one-way conduction and can control the IGBT of disconnection and conducting.
Preferably, above-mentioned a kind of lifting electromagnet contactless power failure protector magnetic control cabinet, the outflow of bus current of wherein said contactless guarantor's magnetic major loop (13), inflow both sides all have the diode of one-way conduction and can control the IGBT of disconnection and conducting, it is respectively diode D2 and IGBTV7 that electric current flows into side, and electric current exports diode D1 and IGBTV11 of side.
Preferably, above-mentioned a kind of lifting electromagnet contactless power failure protector magnetic control cabinet, wherein said contactless guarantor's magnetic afterflow major loop (14), comprises the diode D3 of one-way conduction and can control the IGBT of disconnection and conducting.
Preferably, above-mentioned a kind of lifting electromagnet contactless power failure protector magnetic control cabinet, wherein said contactless guarantor's magnetic afterflow major loop (14) and described contactless guarantor's magnetic major loop (13), share the IGBTV7 that can control disconnection and conducting.
Preferably, above-mentioned a kind of lifting electromagnet contactless power failure protector magnetic control cabinet, wherein said charge in batteries plate (16) has battery capacity and storage battery leakage detection function, when battery capacity is varied down to set point or leakage current become greater to set point, charge in batteries plate (16) output alarm signal.
Comparatively prior art, its technique effect is mainly reflected in: this technical scheme is implemented, when electric network source is normal, the lifting electromagnet excitation main circuit controlled by excitation/demagnetization control board is to lifting electromagnet coil power supply, charge in batteries plate controls charge in batteries major loop and charges a battery, contactless guarantor's magnetic/afterflow/main hook is met an urgent need and is transferred the IGBT that control board controls in contactless guarantor's magnetic major loop and be in off state, realizes lifting electromagnet excitation main circuit and storage battery is isolated.
Meet when lifting electromagnet works grid power blackout or electric network source low time, contactless guarantor's magnetic/afterflow/main hook is met an urgent need and is transferred the IGBT that control board controls in contactless guarantor's magnetic major loop and be in conducting state.Storage battery and lifting electromagnet excitation main circuit are connected, and storage battery is to lifting electromagnet coil power supply.
When needs stop storage battery powering to lifting electromagnet, control contactless guarantor's magnetic afterflow major loop by the emergent control board of transferring of contactless guarantor's magnetic/afterflow/main hook electric discharge consumption lifting electromagnet internal energy is carried out to lifting electromagnet.
This technical scheme part is few, and cost is low, is easy to safeguard, can reduce maintenance cost in a large number, and its mechanical contact, reliably durable simultaneously.
Accompanying drawing explanation
Fig. 1: the utility model main loop circuit figure;
Fig. 2: the utility model is contactless, and guarantor's magnetic major loop is out of shape 1 figure;
Fig. 3: the utility model is contactless, and guarantor's magnetic major loop is out of shape 2 figure.
Embodiment
Further understand for making to have architectural feature of the present utility model and effect of reaching and be familiar with, coordinate detailed description in order to preferred embodiment and accompanying drawing, be described as follows:
As shown in Figure 1, a kind of lifting electromagnet contactless power failure protector magnetic control cabinet, comprise lifting electromagnet excitation main circuit 10 and lifting electromagnet demagnetization major loop 11, and excitation/demagnetization control board 15, this excitation/demagnetization control board 15 can control lifting electromagnet excitation main circuit 10 and realize magnet excitation and the conversion of weak excitation, and it also comprises:
Storage battery, the charge in batteries major loop 12 be connected with this storage battery, and control this charge in batteries major loop 12 to the charge in batteries plate 16 of described charge in batteries;
Contactless guarantor's magnetic major loop 13 and contactless guarantor's magnetic afterflow major loop 14 is also provided with between lifting electromagnet excitation main circuit 10 and storage battery, and control lifting electromagnet excitation main circuit 10 and isolate with storage battery and contactless guarantor's magnetic/afterflow/main hook of conducting is met an urgent need and transferred control board 17, this is contactless, and guarantor's magnetic/afterflow/main hook meets an urgent need transfers control board 17 also for controlling conducting and the closedown of contactless guarantor's magnetic afterflow major loop 14.
Wherein, contactless guarantor's magnetic major loop 13 comprises the diode of one-way conduction and can control the IGBT of disconnection and conducting.Particularly, the outflow of bus current of contactless guarantor's magnetic major loop 13, inflow both sides all have the diode of one-way conduction and can control the IGBT of disconnection and conducting, it is respectively diode D2 and IGBTV7 that electric current flows into side, and electric current exports diode D1 and IGBTV11 of side.
Wherein, contactless guarantor's magnetic afterflow major loop 14, comprises the diode D3 of one-way conduction and can control the IGBT of disconnection and conducting, and contactless guarantor's magnetic afterflow major loop 14 and contactless guarantor's magnetic major loop 13, share the IGBTV7 that can control disconnection and conducting.
In addition, charge in batteries plate 16 has battery capacity and storage battery leakage detection function, when battery capacity is varied down to set point or leakage current become greater to set point, and charge in batteries plate 16 output alarm signal.
When electric network source is normal, the lifting electromagnet excitation main circuit 10 controlled by excitation/demagnetization control board 15 is powered to lifting electromagnet coil 18, charge in batteries plate 16 controls charge in batteries major loop 12 and charges a battery, contactless guarantor's magnetic/afterflow/main hook is met an urgent need and is transferred the IGBT that control board 17 controls in contactless guarantor's magnetic major loop 13 and be in off state, realizes lifting electromagnet excitation main circuit 10 and isolates with storage battery.
When lifting electromagnet works meet grid power blackout or electric network source low time, contactless guarantor's magnetic/afterflow/main hook is met an urgent need and is transferred the IGBT that control board 17 controls in contactless guarantor's magnetic major loop 13 and be in conducting state, storage battery and lifting electromagnet excitation main circuit 10 are connected, and storage battery is powered to lifting electromagnet coil 18.Particularly, have a power failure when lifting electromagnet excitation main circuit 10 powers to lifting electromagnet coil 18 excitation, contactless guarantor's magnetic/afterflow/main hook is met an urgent need and is transferred control board 17 and detect and need to carry out protecting the signal of magnetic, the emergent control board 17 of transferring of contactless guarantor's magnetic/afterflow/main hook exports guarantor's magnetic control signal to contactless guarantor's magnetic major loop 13, control IGBT, make the equal conducting of V7, V11, storage battery is connected to lifting electromagnet coil 18 current supply circuit.Battery current, from battery positive voltage, flows to lifting electromagnet coil 18 through diode D2, IGBTV7, then flows out 18 from lifting electromagnet coil, gets back to the negative pole of storage battery through diode D1, IGBTV11.
When needs stop storage battery powering to lifting electromagnet, control contactless guarantor's magnetic afterflow major loop 14 pairs of lifting electromagnets carry out electric discharge consumption lifting electromagnet internal energy by the emergent control board 17 of transferring of contactless guarantor's magnetic/afterflow/main hook.Particularly, when needs exit power failure protector magnetic state, contactless guarantor's magnetic/afterflow/main hook is emergent transfers control board 17 and outputs a control signal to contactless guarantor's magnetic major loop 13, control IGBT, make V7 conducting, V11 turns off, thus storage battery disconnects to lifting electromagnet coil 18 current supply circuit, contactless guarantor's magnetic afterflow major loop 14 is connected, the inverse electromotive force that lifting electromagnet coil 18 produces is by contactless guarantor's magnetic afterflow major loop 14 continuous current discharge electricity, freewheel current flows out from lifting electromagnet coil 18, through diode D3, IGBTV7 flows to lifting electromagnet coil 18 again, after continuous current discharge electricity completes, the emergent control board 17 of transferring of contactless guarantor's magnetic/afterflow/main hook exports guarantor's magnetic control signal to contactless guarantor's magnetic major loop 13, control IGBT, V7 and V11 is all turned off, contactless guarantor's magnetic major loop 13 and contactless guarantor's magnetic afterflow major loop 14 are disconnected.
This technical scheme part is few, and cost is low, is easy to safeguard, can reduce maintenance cost in a large number, and its mechanical contact, reliably durable simultaneously.
Certainly; as shown in Figures 2 and 3, the syndeton of contactless guarantor's magnetic major loop 13 is not limited to above-mentioned syndeton form, and it can also exist various deformation form; the technical staff of the industry should understand, and the multiple variation belonging to it is all within protection range of the present utility model.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and specification; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection range that the utility model requires is defined by appending claims and equivalent thereof.
Claims (6)
1. a lifting electromagnet contactless power failure protector magnetic control cabinet, comprise lifting electromagnet excitation main circuit (10) and lifting electromagnet demagnetization major loop (11), and excitation/demagnetization control board (15), be characterised in that, it also comprises:
Storage battery, the charge in batteries major loop (12) be connected with this storage battery, and control this charge in batteries major loop (12) to the charge in batteries plate (16) of described charge in batteries;
Contactless guarantor's magnetic major loop (13) and contactless guarantor's magnetic afterflow major loop (14) is also provided with between described lifting electromagnet excitation main circuit (10) and described storage battery, and control described lifting electromagnet excitation main circuit (10) and described storage battery and isolate and contactless guarantor's magnetic/afterflow/main hook of conducting is met an urgent need and transferred control board (17), this is contactless, and guarantor's magnetic/afterflow/main hook meets an urgent need transfers control board (17) also for controlling conducting and the closedown of described contactless guarantor's magnetic afterflow major loop (14).
2. a kind of lifting electromagnet according to claim 1 contactless power failure protector magnetic control cabinet, is characterized in that, described contactless guarantor's magnetic major loop (13) comprises the diode of one-way conduction and can control the IGBT of disconnection and conducting.
3. a kind of lifting electromagnet according to claim 2 contactless power failure protector magnetic control cabinet, it is characterized in that, the outflow of bus current of described contactless guarantor's magnetic major loop (13), inflow both sides all have the diode of one-way conduction and can control the IGBT of disconnection and conducting, it is respectively diode D2 and IGBTV7 that electric current flows into side, and electric current exports diode D1 and IGBTV11 of side.
4. a kind of lifting electromagnet according to claim 3 contactless power failure protector magnetic control cabinet, is characterized in that, described contactless guarantor's magnetic afterflow major loop (14), comprises the diode D3 of one-way conduction and can control the IGBT of disconnection and conducting.
5. a kind of lifting electromagnet according to claim 4 contactless power failure protector magnetic control cabinet, it is characterized in that, described contactless guarantor's magnetic afterflow major loop (14) and described contactless guarantor's magnetic major loop (13), share the IGBTV7 that can control disconnection and conducting.
6. a kind of lifting electromagnet according to claim 1 contactless power failure protector magnetic control cabinet, it is characterized in that, described charge in batteries plate (16) has battery capacity and storage battery leakage detection function, when battery capacity is varied down to set point or leakage current become greater to set point, charge in batteries plate (16) output alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668327.6U CN204991335U (en) | 2015-08-31 | 2015-08-31 | Magnetic control cabinet is protected in contactless power failure of electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668327.6U CN204991335U (en) | 2015-08-31 | 2015-08-31 | Magnetic control cabinet is protected in contactless power failure of electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204991335U true CN204991335U (en) | 2016-01-20 |
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ID=55125678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520668327.6U Expired - Fee Related CN204991335U (en) | 2015-08-31 | 2015-08-31 | Magnetic control cabinet is protected in contactless power failure of electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204991335U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912438A (en) * | 2018-09-14 | 2020-03-24 | 宁波科宁达工业有限公司 | Electromagnet power supply and method for magnetizing and demagnetizing electromagnet by using same |
| CN113013968A (en) * | 2021-04-07 | 2021-06-22 | 岳阳东瑞电气有限公司 | Digital storage battery charging system and power failure magnetic protection control method |
| CN113353775A (en) * | 2021-07-13 | 2021-09-07 | 山东鲁磁工业科技有限公司 | Intelligent electromagnet hoisting sling |
-
2015
- 2015-08-31 CN CN201520668327.6U patent/CN204991335U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912438A (en) * | 2018-09-14 | 2020-03-24 | 宁波科宁达工业有限公司 | Electromagnet power supply and method for magnetizing and demagnetizing electromagnet by using same |
| CN113013968A (en) * | 2021-04-07 | 2021-06-22 | 岳阳东瑞电气有限公司 | Digital storage battery charging system and power failure magnetic protection control method |
| CN113353775A (en) * | 2021-07-13 | 2021-09-07 | 山东鲁磁工业科技有限公司 | Intelligent electromagnet hoisting sling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160831 |