CN204010885U - Suck fast magnetic circuit - Google Patents
Suck fast magnetic circuit Download PDFInfo
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- CN204010885U CN204010885U CN201420476151.XU CN201420476151U CN204010885U CN 204010885 U CN204010885 U CN 204010885U CN 201420476151 U CN201420476151 U CN 201420476151U CN 204010885 U CN204010885 U CN 204010885U
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Abstract
The utility model relates to one and sucks fast magnetic circuit, this circuit comprises: single-pole double-throw switch (SPDT), suction magnetic relay, degaussing relay, energy consumption resistance contactor and the degaussing time relay and the first demagnetizing resistance, inhale respectively the connection of magnetic relay and degaussing relay by single-pole double-throw switch (SPDT) control, then realize the control of magnechuck coil 2 being inhaled to magnetic and degaussing, reduced the loss to demagnetizing resistance.The utility model effectively magnechuck is inhaled magnetic and degaussing, and circuit structure is simple, and contactor used and time relay quantity are few, have reduced loss, have saved cost.
Description
Technical field
The utility model relates to magnetic and degausser, refers to that particularly one sucks magnetic circuit fast, for magnetic crane.
Background technology
The task of crane is intermittently and periodically, its each working position constantly all in frequent starting, stop with braking procedure in, be for example mainly responsible for the tankage of steel scrap for the magnetic crane of steel mill, the having bad luck of steel billet, the tasks such as piling entrucking,
Fig. 1 is current magnechuck control circuit used, and magnechuck is inhaled magnetic process and is: press suction magnetic switch, inhale magnetic contactor 1KM1, and the adhesive of 2KM1 coil electricity, its main contact closure, magnechuck coil passes into direct current and produces magnetic field, starts working.When inhaling magnetic contactor work time relay sj 1 and SJ2 also electric, normally closed some disconnection, makes degaussing contactor 1KM2,2KM2 dead electricity.
Complete when working, iff the DC power supply of cutting off magnechuck, after magnechuck power-off, magnechuck and workpiece still have remanent magnetism, this will cause and take off workpiece difficulty, delays production efficiency, requires workpiece not allow to leave remanent magnetism from the angle of production technology simultaneously.Therefore,, before finishing, magnechuck part should be carried out to degaussing.
Magnechuck demagnetization process is: in the time disconnecting suction magnetic switch, and time relay sj 1, SJ2 junction closure, its main contacts closure makes the electric current of magnechuck coil reverse, to sucker and workpiece degaussing.In order not cause oppositely and to magnetize, again hold workpiece, therefore degaussing adopts the timing controlled of the time relay.In the time arriving preset time, the time relay just discharges, and its degaussing contactor make contact disconnects, cutting direction current circuit.And resistance R 1 now, R2, R3 and magnechuck form loop, will continue remaining electric current in consumption magnet coil.
In above-mentioned magnetic crane, existing magnechuck has feature easy and simple to handle, simple in structure, but in actual production, also exist that power consumption is many, the problems such as magnet coil useful life is short, demagnetizing resistance easy burn-out, cause in use frequently changing resistance and coil is installed, cause the waste of a large amount of material resources and manpower, also directly have influence on production, electromagnet fault also exists the potential safety hazards such as falling object from high altitude, poor reliability simultaneously.
Given this, be necessary to study one and both can have sucked fast magnetic, can reduce again Energy in use resistance and reach the magnetic device that sucks that reduces resistance scaling loss.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art and provides one to suck fast magnetic circuit, this circuit effectively magnechuck is inhaled magnetic and degaussing, and circuit structure is simple, and contactor used and time relay quantity are few, reduce loss, saved cost.
The technical scheme that realizes the employing of the utility model object is: one sucks magnetic circuit fast, and this circuit comprises:
Single-pole double-throw switch (SPDT), comprises a moved end, inhales not moved end and not moved end of demagnetizing switch of magnetic switch, and described moved end is connected with a utmost point of direct current;
Energy consumption resistance contactor 3KM, comprises the first coil, the first normally-closed contact 3KMb and the first normally opened contact 3KMa, and described the first coil is connected to inhales magnetic switch not between moved end and another utmost point of direct current;
Inhale magnetic relay 1KM, comprise the second coil, the second normally-closed contact 1KMa, the second normally opened contact 1KMb, the second normally opened contact 1KMc, magnechuck coil is connected between the second normally opened contact 1KMb and the second normally opened contact 1KMc, the other end of the second normally opened contact 1KMb is connected with a utmost point of DC power supply, and the other end of the second normally opened contact 1KMc is connected with another utmost point of DC power supply;
Degaussing relay 2KM, comprises tertiary coil and the 3rd normally opened contact 2KMa;
Degaussing time relay sj, comprises the 4th coil, the 4th normally-closed contact and the 4th normally opened contact SJa, after described the 4th coil and the second coils from parallel connection of coils and the first normally opened contact 3KMa be connected to and inhale magnetic switch not between moved end and another utmost point of direct current; Described tertiary coil, the second normally opened contact 1KMa and the 4th normally opened contact SJa are connected on demagnetizing switch not between moved end and another utmost point of direct current; And
The first demagnetizing resistance, is connected in parallel on the two ends of magnechuck coil with described the first normally-closed contact 3KMb after being connected;
Further, the described magnetic circuit that sucks fast, also comprises:
The second demagnetizing resistance, and the 3rd normally opened contact 2KMa is connected between the two-stage of direct current.
Brief description of the drawings
Fig. 1 is the circuit diagram of existing magnechuck control circuit.
Fig. 2 is the circuit diagram that the utility model sucks control loop in magnetic circuit fast.
Fig. 3 is the circuit diagram that the utility model sucks magnetic circuit medium power loop fast.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figures 2 and 3, the utility model sucks magnetic circuit fast, this circuit comprises: single-pole double-throw switch (SPDT), suction magnetic relay 1KM, degaussing relay 2KM, energy consumption resistance contactor 3KM, degaussing time relay sj, and the first demagnetizing resistance R1 and the second demagnetizing resistance R2.
Wherein, single-pole double-throw switch (SPDT) 1 comprises not moved end b and not moved end c of suction magnetic switch of a moved end a, demagnetizing switch, and moved end a is connected with a utmost point of direct current.
Energy consumption resistance contactor 3KM, comprises the first coil, the first normally-closed contact 3KMb and the first normally opened contact 3KMa, and the first coil of energy consumption resistance contactor 3KM is connected to inhales magnetic switch not between moved end c and another utmost point of direct current.
Inhale magnetic relay 1KM, comprise the second coil, the second normally-closed contact 1KMa, the second normally opened contact 1KMb, the second normally opened contact 1KMc, magnechuck coil 2 is connected between the second normally opened contact 1KMb and the second normally opened contact 1KMc, the other end of the second normally opened contact 1KMb is connected with a utmost point of DC power supply, and the other end of the second normally opened contact 1KMc is connected with another utmost point of DC power supply.
Degaussing relay 2KM, comprises tertiary coil and the 3rd normally opened contact 2KMa.
Degaussing time relay sj, comprise the 4th coil and the 4th normally opened contact SJa, the 4th coil of degaussing time relay sj and give after the second coils from parallel connection of coils of magnetic relay 1KM and the first normally opened contact 3KMa of energy consumption resistance contactor 3KM is connected to and inhales magnetic switch not between moved end c and another utmost point of direct current; The 4th normally opened contact SJa of the tertiary coil of degaussing relay 2KM, the second normally opened contact 1KMa that gives magnetic relay 1KM, degaussing time relay sj is connected on demagnetizing switch not between moved end b and another utmost point of direct current;
The first demagnetizing resistance R4 is connected in parallel on the two ends of magnechuck coil 2 after being connected with the first normally-closed contact 3KMb, the second demagnetizing resistance R5 and the 3rd normally opened contact 2KMa are connected between the two-stage of direct current.
The course of work that the utility model sucks magnetic circuit is fast as follows:
When single-pole double-throw switch (SPDT) 1 is thrown in inhaling magnetic switch not when the c of moved end, energy consumption resistance contactor 3KM obtain electric after, the first normally opened contact 3KMa closure, make to inhale magnetic contactor 1KM coil electricity, the second normally opened contact 1KMb and the second normally opened contact 1KMc closure of inhaling magnetic contactor 1KM, magnechuck coil 2 passes into direct current and starts working.First normally closed some 3KMb of energy consumption resistance contactor 3KM disconnects simultaneously, and demagnetizing resistance R1 and magnechuck coil 2 are opened circuit, and now, reduced the loss to demagnetizing resistance R1.
When single-pole double-throw switch (SPDT) 1 is thrown in demagnetizing switch not when the b of moved end, under the control of degaussing time relay sj, magnechuck coil 2 is by reverse current quick demagnetization in limited time, and degaussing R1 also after energy consumption resistance contactor KM3 dead electricity (the first normally-closed contact 3KMb closure) be linked in the loop of degaussing and reach the effect that consumes the remaining electricity of sucker coil.After improving, circuit is easily understood, contactor, and resistance etc. significantly reduce, and facilitate plant maintenance personnel fast processing fault, improve the stability of equipment.
The utility model degausser, compares existing circuit and is only suitable for 3 of D.C. contactors, and 1, the time relay and energy consumption resistance 2 overlap.Use the two switches that cause of hilted broadsword to control respectively to magnetic and degaussing two functions.
Claims (2)
1. suck fast a magnetic circuit, it is characterized in that, comprising:
Single-pole double-throw switch (SPDT), comprises a moved end, inhales not moved end and not moved end of demagnetizing switch of magnetic switch, and described moved end is connected with a utmost point of direct current;
Energy consumption resistance contactor 3KM, comprises the first coil, the first normally-closed contact 3KMb and the first normally opened contact 3KMa, and described the first coil is connected to inhales magnetic switch not between moved end and another utmost point of direct current;
Inhale magnetic relay 1KM, comprise the second coil, the second normally-closed contact 1KMa, the second normally opened contact 1KMb, the second normally opened contact 1KMc, magnechuck coil is connected between the second normally opened contact 1KMb and the second normally opened contact 1KMc, the other end of the second normally opened contact 1KMb is connected with a utmost point of DC power supply, and the other end of the second normally opened contact 1KMc is connected with another utmost point of DC power supply;
Degaussing relay 2KM, comprises tertiary coil and the 3rd normally opened contact 2KMa;
Degaussing time relay sj, comprises the 4th coil, the 4th normally-closed contact and the 4th normally opened contact SJa, after described the 4th coil and the second coils from parallel connection of coils and the first normally opened contact 3KMa be connected to and inhale magnetic switch not between moved end and another utmost point of direct current; Described tertiary coil, the second normally opened contact 1KMa and the 4th normally opened contact SJa are connected on demagnetizing switch not between moved end and another utmost point of direct current; And
The first demagnetizing resistance, is connected in parallel on the two ends of magnechuck coil with described the first normally-closed contact 3KMb after being connected;
2. the magnetic circuit that sucks fast according to claim 1, is characterized in that, also comprises:
The second demagnetizing resistance, and the 3rd normally opened contact 2KMa is connected between the two-stage of direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420476151.XU CN204010885U (en) | 2014-08-21 | 2014-08-21 | Suck fast magnetic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420476151.XU CN204010885U (en) | 2014-08-21 | 2014-08-21 | Suck fast magnetic circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204010885U true CN204010885U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420476151.XU Expired - Fee Related CN204010885U (en) | 2014-08-21 | 2014-08-21 | Suck fast magnetic circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204010885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104867650A (en) * | 2014-12-03 | 2015-08-26 | 佛山市艾乐博机器人科技有限公司 | Demagnetizing module for mechanical arm |
-
2014
- 2014-08-21 CN CN201420476151.XU patent/CN204010885U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104867650A (en) * | 2014-12-03 | 2015-08-26 | 佛山市艾乐博机器人科技有限公司 | Demagnetizing module for mechanical arm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170728 Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Wuchang, Hubei Friendship Road, No. A, block, floor 999, 15 Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20190821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |