CN203218053U - Magnetizing and demagnetizing device - Google Patents
Magnetizing and demagnetizing device Download PDFInfo
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- CN203218053U CN203218053U CN 201320095271 CN201320095271U CN203218053U CN 203218053 U CN203218053 U CN 203218053U CN 201320095271 CN201320095271 CN 201320095271 CN 201320095271 U CN201320095271 U CN 201320095271U CN 203218053 U CN203218053 U CN 203218053U
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Abstract
The utility model provides a magnetizing and demagnetizing device. The magnetizing and demagnetizing device comprise a power module, a protecting module, a voltage transformation module, a rectification and filtration module, a quick response module and a control feedback module. The power module is used for supplying required electricity for the device. The protecting module is connected with the power module and used for a current protective device reducing input voltage through a resistor. The voltage transformation module is used for changing the input voltage. The rectification and filtration module is used for magnetizing and demagnetizing to a load body through a forward thyristor and a reverse thyristor. The quick response module is used for consuming energy on a load body electric pole magnetized by using forward current and enabling reverse current to demagnetize the load body electric pole. The control feedback module is used for receiving a programmable logic controller (PLC) signal and a current setting signal through a main control panel, sending a control signal to the rectification and filtration module through a trigger plate and then detecting a current signal through an alternating current mutual inductor. By means of the magnetizing and demagnetizing device, the power consumption is greatly reduced by adopting a step-down transformer. Due to the fact that the whole device is controlled by adopting a single chip microcomputer and a PLC, the performance is improved, and the fault rate is reduced.
Description
Technical field
The utility model relates to the technical field that magnetizes, particularly a kind of magnetizing/demagnetizing device.
Background technology
Existing magnet charger uses the above high pressure of 300V to magnetize, and efficient is low, and power consumption is big, unstable properties, failure rate height.Its main cause is as follows:
(1) high pressure and low pressure isolation effect are poor, make interference signal damage control signal.
(2) owing to need make its operating efficiency low to the capacitor charging voltage, and the high pressure magnet charger be very big to the danger of load, circuit and the person.
The utility model content
The purpose of this utility model is intended to solve at least one of above-mentioned technological deficiency.
For achieving the above object, embodiment of the present utility model proposes a kind of magnetizing/demagnetizing device, comprising: power module is used to described device that required power supply is provided; Protection module, described protection module links to each other with described power module, is used for reducing by resistance the described device of current protection of input voltage; The transformation module, described transformation module links to each other with described protection module, is used for changing input voltage; Rectification filtering module, described rectification filtering module links to each other with described transformation module, for by forward thyristor and reverse thyristor load being magnetized or demagnetizing; Quick corresponding module, described quick feedback module links to each other with described rectification module, for after forward current magnetizes to the load electric pole with the energy consumption on the load electric pole, make reverse current demagnetize to the load electric pole; And control feedback module, described control feedback module links to each other with described rectification filtering module, be used for accepting PLC signal and current settings signal by master board, and by trigger board rectification filtering module sent control signal again by the D.C mutual-inductor sensed current signal.
According to the device of the utility model embodiment, significantly reduced power consumption by adopting step-down transformer, owing to adopt single-chip microcomputer and PLC that whole device is controlled, reduced failure rate thereby improved performance.
In an embodiment of the present utility model, described power module specifically comprises: circuit breaker, be used for rapid disengagement failure electric current, and the accident that prevents enlarges; Master flip-flop is used for electric power and cut-offs input with control transformer; The auxiliary triggering device is used for rapid disengagement failure electric current, the protection load, and wherein, an end of described circuit breaker links to each other with the external high pressure alternating current, and the other end links to each other with the auxiliary triggering device with described master flip-flop respectively.
In an embodiment of the present utility model, described protection module specifically comprises: soft initiator, and when being used for preventing that transformer from cut-offfing, immediate current is excessive, the infringement transformer; And a plurality of resistance, be used for absorbing inner excess energy, wherein, described soft initiator links to each other with auxiliary circuit breaker, and an end of described a plurality of resistance links to each other with described soft initiator, and the other end links to each other with described transformer.
In an embodiment of the present utility model, described transformation module specifically comprises: main transformer is used for forward being provided and oppositely filling demagnetization electric power; Isolating transformer is used for providing PLC and single-chip microcomputer action electric power; And low-voltage power supply transformer, be used for control module is powered, wherein, one end of described main transformer links to each other with described master flip-flop, the other end links to each other with described rectification filtering module, one end of described isolating transformer links to each other with described auxiliary triggering device, and the other end links to each other with described control transformer, and the other end of described control transformer links to each other with the control feedback module.
In an embodiment of the present utility model, described rectification filtering module specifically comprises: the forward thyristor is used for described load electric pole is magnetized; Oppositely thyristor is used for described load electric pole is demagnetized, wherein, and the positive pole of described forward thyristor and the negative pole and anodal link to each other formation current loop of negative pole respectively at reverse thyristor.
In an embodiment of the present utility model, described control feedback module specifically comprises: processor is used for filling fast demagnetization response and driving; And the PLC controller, for this machine monitoring is reached single-chip microcomputer is sent instruction.
In an embodiment of the present utility model, described processor specifically comprises: master board, for the treatment of filling the signal that produces when demagnetizing and driving trigger board; Trigger board is used for triggering thyristor; And D.C mutual-inductor, be used for the monitoring actual output current.
In an embodiment of the present utility model, described PLC controller specifically comprises: isolating transformer is used for PLC is provided power supply; The alternating current-direct current transformer is used for providing PLC action electric power; And fast acting fuse, be used for preventing that PLC is through fault current.
In an embodiment of the present utility model, described processor and rectification filtering module input are connected to form closed-loop control, and described PLC controller and transmitter are connected to form closed-loop control.
The aspect that the utility model is additional and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or the additional aspect of the utility model and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the frame diagram according to the magnetizing/demagnetizing device of an embodiment of the utility model;
Fig. 2 is according to the power module of an embodiment of the utility model and the circuit diagram of protection module;
Fig. 3 is the frame diagram according to the protection module of an embodiment of the utility model;
Fig. 4 is the PLC circuit diagram according to an embodiment of the utility model;
Fig. 5 is according to the control feedback module of an embodiment of the utility model and the circuit diagram of rectification filtering module; And
Fig. 6 is the feedback circuit figure according to an embodiment of the utility model.
Embodiment
Describe embodiment of the present utility model below in detail, the example of embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, need to prove that term " links to each other ", " connection " should do broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can link to each other indirectly by intermediary, for the ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
Fig. 1 is the frame diagram of the magnetizing/demagnetizing device of the utility model embodiment.Fig. 2 is according to the power module of an embodiment of the utility model and the circuit diagram of protection module.As depicted in figs. 1 and 2, the magnetizing/demagnetizing device according to the utility model embodiment comprises power module 100, protection module 200, transformation module 300, rectification filtering module 400, control feedback module 500 and quick corresponding module 600.
Power module 100 is used to device that required power supply is provided.
In an embodiment of the present utility model, power module 100 comprises circuit breaker SK, master flip-flop KM and auxiliary triggering device KM2 and KM3.
Circuit breaker SK is used for rapid disengagement failure electric current, and the accident that prevents enlarges.
Master flip-flop KM is used for electric power and cut-offs input with control transformer.
Auxiliary triggering device KM2 and KM3 are used for rapid disengagement failure electric current, the protection load.
In an embodiment of the present utility model, the end of circuit breaker SK is connected with three of A, B, the C of the external high pressure alternating current of 380V and links to each other, the other end connects to form the high voltage source input circuit with main contactor KM and two auxiliary triggering device ZK2 and ZK3 respectively, and auxiliary circuit breaker ZK2 and ZK3 and A.C. contactor KM1, thermal relay RJ form cabinet internal fan cooling circuit.
Protection module 200 links to each other with power module 100, is used for reducing by resistance the current protective device of input voltage.
Fig. 3 is the frame diagram according to the protection module of an embodiment of the utility model.As shown in Figures 2 and 3, protection module 200 comprises soft initiator STR1 and a plurality of resistance.
When soft initiator STR1 was used for preventing that transformer from cut-offfing, immediate current was excessive, the infringement transformer.
A plurality of resistance 220 are used for absorbing inner excess energy.
In an embodiment of the present utility model, soft initiator 210 links to each other with auxiliary circuit breaker, and (end that is R1～R6) links to each other with soft initiator STR1 a plurality of resistance, and the other end links to each other with the transformation module.
According to device of the present utility model, significantly reduced power consumption by adopting step-down transformer.
Transformation module 300 links to each other with protection module 200, is used for changing input voltage.
In an embodiment of the present utility model, transformation module 300 comprises main transformer T1, low-voltage power supply transformer T2 and isolating transformer T3.
Main transformer T1 is used for forward being provided and oppositely filling demagnetization electric power.
Low-voltage power supply transformer T2 is used for control module is powered.
Isolating transformer T3 is used for providing PLC and single-chip microcomputer action electric power.
In an embodiment of the present utility model, the end of main transformer T1 links to each other with master flip-flop, the other end links to each other with the main contactor KM of rectification filtering module, two windings of output link to each other with the forward thyristor STK1 of rectification filtering module and the input of reverse thyristor STK2 respectively, the end of isolating transformer T3 links to each other with the auxiliary triggering device, the other end links to each other with control transformer, and the other end of control transformer links to each other with the control feedback module.
Rectification filtering module 400 links to each other with transformation module 300, for by forward thyristor and reverse thyristor load being magnetized or demagnetizing.
In an embodiment of the present utility model, rectification filtering module comprises forward thyristor STA1 and reverse thyristor STA2.
Forward thyristor STA1 is used for the load electric pole is magnetized.Forward thyristor STA1 uses 6 1500A one-way SCR circuit, and each one-way SCR circuit is made up of filter circuit and fast acting fuse.
Oppositely thyristor STA2 is used for the load electric pole is demagnetized.
In an embodiment of the present utility model, the positive pole of forward thyristor STA1 and the negative pole and anodal link to each other formation current loop of negative pole respectively at reverse thyristor STA2, shunt SH1 is connected on the forward thyristor STA1 negative pole, be connected with ammeter, standby current, voltmeter is connected on forward thyristor STA1 positive pole and the negative pole, main transformer T1 is STA1 and STA2 power supply, and unification is triggered by the single-chip microcomputer trigger board, adjust angle of flow size by trigger board control, reach the purpose of regulating the rise time.
Control feedback module 500 link to each other with rectification module 400, for after forward current magnetizes to the load electric pole with the energy consumption on the load electric pole, make reverse current demagnetize to the load electric pole.
Fig. 4 is the PLC circuit diagram according to an embodiment of the utility model.Fig. 5 is according to the control feedback module of an embodiment of the utility model and the circuit diagram of rectification filtering module.Fig. 6 is the feedback circuit figure according to an embodiment of the utility model.
In an embodiment of the present utility model, control feedback module 500 comprises processor and PLC controller.
Processor is used for filling fast the demagnetization response and drives.
In an embodiment of the present utility model, processor comprises master board TC1, trigger board TC2 and TC3
Master board TC1 is for the treatment of filling the signal that produces when demagnetizing and driving trigger board.
Trigger board TC2 and TC3 are used for triggering thyristor.
A plurality of D.C mutual-inductors (being CT1, CT2, CT3 and CT4) are used for the monitoring actual output current.
The PLC controller is used for this machine monitoring and single-chip microcomputer is sent instruction.
In an embodiment of the present utility model, the PLC controller comprises that isolating transformer CT4, alternating current-direct current transformer CT5 and fast acting fuse (are called for short F1～F10).
Isolating transformer CT4 is used for PLC is provided power supply.
Alternating current-direct current transformer CT5 is used for providing PLC action electric power.
Fast acting fuse (abbreviation F1～F10) be used for preventing that PLC is through fault current.
In an embodiment of the present utility model, power panel TC6 is the power supply circuits of master board TC1, master board TC1 accepts enable signal and the current settings signal of PLC controller, make the forward thyristor of trigger board TC3 and TC2 STA1 and reverse thyristor STA2 send control signal, and measure current signal by D.C mutual-inductor CT1, CT2, CT3, CT4, return master board TC1 and form closed-loop control, be infinitely close to set point automatically.
In an embodiment of the present utility model, the rectifier fault, fan trouble, thermometer XMT-808 excess temperature fault, main contactor KM state, scram button state and main contactor state point K1, more than do the PLC input point, make the PLC can be to the monitoring of the operating state of magnet charger, and forward enables to export K3, oppositely enabling to export K4, is the work order that the magnet charger of PLC is assigned.Use transmitter VB01 and VB02, current actual value be converted to the signal that the PLC controller can read, and with given signal contrast, thereby be adjusted to automatically in the set point, realize closed-loop control.
According to the device of the utility model embodiment, significantly reduced power consumption by adopting step-down transformer, owing to adopt single-chip microcomputer and PLC that whole device is controlled, reduced failure rate thereby improved performance.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art in scope of the present utility model, can change above-described embodiment under the situation that does not break away from principle of the present utility model and aim, modification, replacement and modification.
Claims (9)
1. a magnetizing/demagnetizing device is characterized in that, comprising:
Power module is used to described device that required power supply is provided;
Protection module, described protection module links to each other with described power module, is used for reducing by resistance the described device of current protection of input voltage;
The transformation module, described transformation module links to each other with described protection module, is used for changing input voltage;
Rectification filtering module, described rectification filtering module links to each other with described transformation module, for by forward thyristor and reverse thyristor load being magnetized or demagnetizing;
Quick corresponding module, described quick feedback module links to each other with described rectification module, for after forward current magnetizes to the load electric pole with the energy consumption on the load electric pole, make reverse current demagnetize to the load electric pole; And
The control feedback module, described control feedback module links to each other with described rectification filtering module, is used for accepting PLC signal and current settings signal by master board, and by trigger board rectification filtering module is sent control signal again by the D.C mutual-inductor sensed current signal.
2. magnetizing/demagnetizing device as claimed in claim 1 is characterized in that, described power module specifically comprises:
Circuit breaker is used for rapid disengagement failure electric current, and the accident that prevents enlarges;
Master flip-flop is used for electric power and cut-offs input with control transformer;
The auxiliary triggering device is used for rapid disengagement failure electric current, the protection load,
Wherein, an end of described circuit breaker links to each other with the external high pressure alternating current, and the other end links to each other with the auxiliary triggering device with described master flip-flop respectively.
3. magnetizing/demagnetizing device as claimed in claim 1 is characterized in that, described protection module specifically comprises:
Soft initiator, when being used for preventing that transformer from cut-offfing, immediate current is excessive, the infringement transformer; And
A plurality of resistance are used for absorbing inner excess energy,
Wherein, described soft initiator links to each other with auxiliary circuit breaker, and an end of described a plurality of resistance links to each other with described soft initiator, and the other end links to each other with described transformer.
4. magnetizing/demagnetizing device as claimed in claim 2 is characterized in that, described transformation module specifically comprises:
Main transformer is used for forward being provided and oppositely filling demagnetization electric power;
Isolating transformer is used for providing PLC and single-chip microcomputer action electric power; And
The low-voltage power supply transformer is used for the control module power supply,
Wherein, one end of described main transformer links to each other with described master flip-flop, the other end links to each other with described rectification filtering module, one end of described isolating transformer links to each other with described auxiliary triggering device, the other end links to each other with described control transformer, and the other end of described control transformer links to each other with the control feedback module.
5. magnetizing/demagnetizing device as claimed in claim 1 is characterized in that, described rectification filtering module specifically comprises:
The forward thyristor is used for described load electric pole is magnetized;
Oppositely thyristor is used for described load electric pole is demagnetized,
Wherein, the positive pole of described forward thyristor and the negative pole and anodal link to each other formation current loop of negative pole respectively at reverse thyristor.
6. magnetizing/demagnetizing device as claimed in claim 1 is characterized in that, described control feedback module specifically comprises:
Processor is used for filling fast demagnetization response and driving; And
The PLC controller sends instruction for this machine monitoring is reached to single-chip microcomputer.
7. magnetizing/demagnetizing device according to claim 6 is characterized in that, described processor specifically comprises:
Master board is for the treatment of filling the signal that produces when demagnetizing and driving trigger board;
Trigger board is used for triggering thyristor; And
D.C mutual-inductor is used for the monitoring actual output current.
8. magnetizing/demagnetizing device as claimed in claim 6 is characterized in that, described PLC controller specifically comprises:
Isolating transformer is used for PLC is provided power supply;
The alternating current-direct current transformer is used for providing PLC action electric power; And
Fast acting fuse is used for preventing that PLC is through fault current.
9. as claim 6 or 7 described magnetizing/demagnetizing devices, it is characterized in that described processor and the input of described rectification filtering module are connected to form closed-loop control, described PLC controller and transmitter are connected to form closed-loop control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320095271 CN203218053U (en) | 2013-03-01 | 2013-03-01 | Magnetizing and demagnetizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320095271 CN203218053U (en) | 2013-03-01 | 2013-03-01 | Magnetizing and demagnetizing device |
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| Publication Number | Publication Date |
|---|---|
| CN203218053U true CN203218053U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320095271 Withdrawn - After Issue CN203218053U (en) | 2013-03-01 | 2013-03-01 | Magnetizing and demagnetizing device |
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| CN (1) | CN203218053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714943A (en) * | 2013-03-01 | 2014-04-09 | 赣州虔东稀土集团股份有限公司 | Magnetizing and demagnetizing device |
-
2013
- 2013-03-01 CN CN 201320095271 patent/CN203218053U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714943A (en) * | 2013-03-01 | 2014-04-09 | 赣州虔东稀土集团股份有限公司 | Magnetizing and demagnetizing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 289 No. 341000 Jiangxi province Zhanggong District of Ganzhou City, East Avenue. Patentee after: Qian Dong lanthanide group limited company Address before: 289 No. 341000 Jiangxi province Zhanggong District of Ganzhou City, East Avenue. Patentee before: Ganzhou Qiandong Rare Earth Group Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130925 Effective date of abandoning: 20160330 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |