CN201315213Y - Magnet exciting coil control device used in DC electromagnet - Google Patents
Magnet exciting coil control device used in DC electromagnet Download PDFInfo
- Publication number
- CN201315213Y CN201315213Y CNU2008202249305U CN200820224930U CN201315213Y CN 201315213 Y CN201315213 Y CN 201315213Y CN U2008202249305 U CNU2008202249305 U CN U2008202249305U CN 200820224930 U CN200820224930 U CN 200820224930U CN 201315213 Y CN201315213 Y CN 201315213Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistance
- coil
- control device
- output
- 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
Links
Images
Landscapes
- Relay Circuits (AREA)
Abstract
The utility model belongs to the electricity field, and relates to a magnet exciting coil control device used in a DC electromagnet. The control device comprises a power supply part used for receiving signals of a signal source and powering a starting coil, a holding coil and the control device, and an automatic control part used for controlling the operation of the starting coil, wherein, the automatic control part consists of a trigger circuit, an electronic switching circuit and a time delay circuit which controls the operation time of the starting coil through controlling the reversal of the trigger circuit. When a control signal arrives, the power supply part transmits the signal to power the holding coil and the starting coil which are operated at the same time to generate maximum electromagnetic attractive force, so as to enable an iron core to quickly act to generate a maximum stroke. At the same time, the time delay circuit operates, and controls the reversal of the trigger circuit and the on/off of the electronic switching circuit after the time delay is finished; the starting coil stops operating, and the holding coil continues to operate so as to enable the mechanism braking or traction system to complete the expected action. The control device has the advantages of low power consumption, more sensitive response, long service life and no contact.
Description
Technical field
The utility model belongs to electricity field, relates to a kind of magnet exciting coil control device that is used for DC electromagnet.
Background technology
At present, DC electromagnet is used very extensive in daily life and industrial and agricultural production and automatic control system.It generally is made up of magnet exciting coil, iron core and three major parts of armature.Magnet exciting coil wherein has contactless unicoil excitation formula and twin coil excitation formula in contact is arranged, advantages such as contactless unicoil encourages the formula DC electromagnet to have and is swift in motion, sensitivity, reliable operation, but volume is big, and coil temperature rise is fast, the life-span is low; Have that contact twin coil excitation formula DC electromagnet is swift in motion except that having, sensitive, the reliable operation, also have the big advantage of moment electromagnetic attraction, but the contact be perishable, the life-span is low, power consumption is higher simultaneously.
The utility model content
In order to overcome the existing perishable and coil temperature rise problem in twin coil excitation formula DC electromagnet contact, contact that has, the utility model provides a kind of magnet exciting coil control device that is used for DC electromagnet.It not only makes DC electromagnet contactless, and low in energy consumption.
The technical solution of the utility model: comprise that the control signal that is used for the received signal source also is actuating coil, the power unit of hold-in winding and the power supply of this device, be used to control the automatic control section of actuating coil work, be characterized in the circuits for triggering of described automatic control section by control actuating coil when control signal arrives, electronic switching circuit and form by the delay circuit that described actuating coil work delay time is controlled in the upset of control triggering electric circuit, the output connecting triggering circuit of delay circuit, the output of circuits for triggering connects by electronic switching circuit, and the output of electronic switching circuit connects actuating coil.
The power supply part that is used for the magnet exciting coil control device of DC electromagnet is made up of rectifier bridge QL and integrated regulator V1.
The delay circuit that is used to control the automatic control section of actuating coil work is made of the resistance R 3 and the capacitor C 2 of series connection between the positive and negative electrode of rectifier bridge QL output; Circuits for triggering adopt comparator V2, and its in-phase input end connects the connected node of resistance R 3 and capacitor C 2 in the delay circuit, and its inverting input connects the connected node of series resistance R1, R2, and resistance R 1, R2 are connected between the positive and negative electrode of rectifier bridge QL output.Electronic switching circuit is made up of voltage switch circuit and electronic switch, described voltage switch circuit is made of resistance R 4, R5, R6, capacitor C 3 and switching tube V3, switching tube V3 is by the output of its base resistance R4 contact Power Generation Road, resistance R 5, capacitor C 3 are attempted by between the base stage and ground of switching tube V3, and the collector electrode of switching tube V3 connects the positive pole of rectifier bridge QL by resistance R 6; Electronic switch adopts metal-oxide-semiconductor V5, its grid connects the collector electrode of switching tube V3, between its grid and ground and be connected to resistance R 7 and voltage-stabiliser tube V4, actuating coil L2 is connected between the positive pole output of the drain electrode of metal-oxide-semiconductor V5 and rectifier bridge QL, and the source of metal-oxide-semiconductor V5, the indirect transient voltage of drain electrode suppress diode V6.
The magnet exciting coil control device operation principle that is used for DC electromagnet provided by the utility model is as follows: when control signal arrives, the power unit transfer control signal, at this moment, comparator V2 output the 6th pin that constitutes circuits for triggering is a low level, switch triode V3 turn-offs, electronic switch metal-oxide-semiconductor V5 saturation conduction.This control signal directly controls hold-in winding L1 and actuating coil L2 works simultaneously, and the magnetic flux that is produced forms closed magnetic circuit through iron core and armature, produces needed maximum electromagnetic attraction, makes the iron core quick acting and produces maximum stroke.When control signal arrives, power supply charges to capacitor C 2 by resistance R 3 beginnings in the delay circuit, after a period of time, because the terminal voltage of capacitor C 2 raises, when capacitor C 2 both end voltage during greater than the voltage at resistance R 2 two ends, comparator V2 output the 6th pin that constitutes circuits for triggering is output as high potential, make switch triode V3 saturation conduction, electronic switch metal-oxide-semiconductor V5 turn-offs, actuating coil L2 quits work, and the hold-in winding L1 electromagnetic attraction that is produced that works on can make mechanical braking or trailer system finish the action of expection.When control signal disappeared, comparator V2 output the 6th pin that constitutes circuits for triggering was a low level, and switch triode V3 turn-offs, and power supply quits work simultaneously.The self induction electromotive force that produced of actuating coil L2 suppresses diode V6 through transient voltage and draws electric current to ground formation thus, and circuit has been played protective effect; The magnetic of electromagnetism iron disappears thereupon.
The automatic control section that the utility model is used to control actuating coil work has comprised delay circuit, can partly carry out self-timing control to actuating coil, when control signal arrives, hold-in winding L1 and actuating coil L2 get electric work, work a period of time finishes after the needed maximum electromagnetic attraction, in the time that delay circuit determined, control the shutoff of electronic switch by the upset of circuits for triggering, actuating coil L2 quits work, hold-in winding L1 works on, and the electromagnetic attraction that is produced can make mechanical braking or trailer system finish the action of expection.Owing to adopt the work of the automatic control section control actuating coil L2 of all electronic circuit, thereby reduced power consumption.In addition because the main devices of this utility model is an integrated circuit, thereby simple in structure, volume is little, cost is low.Electronic switch has not only solved the contact erosion problem that contact twin coil excitation formula DC electromagnet is arranged because of contactless, and than mechanical contact switch quick action, sensitiveer, the long service life of reaction.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model execution mode;
Fig. 2 is the circuit theory diagrams of preferred implementation shown in Figure 1;
Fig. 3 is the curve chart of electronic switch control magnet exciting coil operating time and electromagnetic attraction relation.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the circuit block diagram of the utility model execution mode.Comprise the control signal that is used for the received signal source and be actuating coil, hold-in winding and the power unit of this device power supply and the automatic control section that is used to control actuating coil work that constitutes by delay circuit, circuits for triggering, voltage switch circuit, electronic switch referring to the magnet exciting coil control device in this DC electromagnet, the output connecting triggering circuit of delay circuit, the output of circuits for triggering connect the electronic switching circuit that is made of voltage switch circuit and electronic switch.Operation principle is as follows: when control signal arrives, the power unit transfer control signal, this control signal directly controls hold-in winding L1 and actuating coil L2 works simultaneously, the magnetic flux that is produced forms closed magnetic circuit through iron core and armature, produce needed maximum electromagnetic attraction, make the iron core quick acting and produce maximum stroke.In the power unit transfer control signal, delay circuit time-delay beginning, when finishing to time-delay, make the circuits for triggering upset, turn-off electronic switch to electronic switching circuit output control signal, actuating coil quits work, hold-in winding work on produced electromagnetic attraction can make mechanical braking or trailer system finish the action of expection.
Fig. 2 is the circuit theory diagrams that are used for the magnet exciting coil control device execution mode of DC electromagnet provided by the utility model.
The power supply part that is used for the magnet exciting coil control device of DC electromagnet is made up of rectifier bridge QL and integrated regulator V1.
The delay circuit that is used to control the automatic control section of actuating coil work is made of the resistance R 3 and the capacitor C 2 of series connection between the positive and negative electrode of rectifier bridge QL output; Circuits for triggering adopt comparator V2, and its in-phase input end connects the connected node of resistance R 3 and capacitor C 2 in the delay circuit, and its inverting input connects the connected node of series resistance R1, R2, and resistance R 1, R2 are connected between the positive and negative electrode of rectifier bridge QL output.Electronic switching circuit is made up of voltage switch circuit and electronic switch, described voltage switch circuit is made of resistance R 4, R5, R6, capacitor C 3 and switching tube V3, switching tube V3 connects the output of comparator V2 by its base resistance R4, resistance R 5, capacitor C 3 all are connected between the base stage and ground of switching tube V3, and the collector electrode of switching tube V3 connects the positive pole of rectifier bridge QL by resistance R 6; Electronic switch adopts metal-oxide-semiconductor V5, and its grid connects the collector electrode of switching tube V3, between its grid and ground and be connected to resistance R 7 and voltage-stabiliser tube V4, between the drain electrode that actuating coil L2 is connected on metal-oxide-semiconductor V5 is exported with the positive pole of rectifier bridge QL.The source of metal-oxide-semiconductor V5, the indirect transient voltage of drain electrode suppress diode V6.
The magnet exciting coil control device that is used for DC electromagnet provided by the utility model, the automatic control part that employing is made of delay circuit, circuits for triggering, electronic switching circuit assigns to control the work of the actuating coil of electromagnet, adopt the Electron Excitation formula electromagnet of this device, can reach maximum starting force, and volume is little, low in energy consumption, solved the galvano-cautery problem between the contact again, improved the life-span.Rectifier bridge QL adopts KBPC810 in this execution mode, integrated regulator V1 adopts the W78L15 regulator block, comparator V2 adopts OP193E, switching tube V3 adopts triode S9013, voltage-stabiliser tube V4 adopts TU-23-15V-1/2W, metal-oxide-semiconductor V5 adopts 85N10-10 type field effect transistor, and transient voltage suppresses diode V6 and adopts P6KE68CA.
Fig. 3 is the curve chart of the utility model control magnet exciting coil operating time and electromagnetic attraction relation.
Wherein: F (N) represents electromagnetic attraction, and T (S) represents the magnet exciting coil operating time
As shown in Figure 4:
The T0 moment, for this device does not power up, the working gas gap δ maximum of electromagnet;
T1 is the iron core full stroke constantly, the working gas gap δ minimum of electromagnet;
During T1～T2, hold-in winding L1 and actuating coil L2 work simultaneously, produce maximum electromagnetic attraction, the working gas gap δ minimum of electromagnet;
The T2 moment, hold-in winding L1 work, actuating coil L2 does not work, and produces needed electromagnetic attraction.
The above operating time and the size of electromagnetic attraction all can satisfy the requirement of concrete operational environment and time by value or the magnetic induction density B that changes resistance R 3 and capacitor C 2.The value of capacitor C 2 is that the resistance of 4.7UF, resistance R 3 is 2M Ω in the present embodiment, electronic switch metal-oxide-semiconductor V6 is turn-offed, and actuating coil L2 does not work, and hold-in winding L1 works on, can reach electromagnetic attraction is 40 (oxen), makes mechanical braking or trailer system finish the action of expection.
Claims (4)
1, a kind of magnet exciting coil control device that is used for DC electromagnet, comprise that the control signal that is used for the received signal source also is actuating coil, the power unit of hold-in winding and the power supply of this device, be used to control the automatic control section of actuating coil work, it is characterized in that the circuits for triggering of described automatic control section by control actuating coil when control signal arrives, electronic switching circuit and form by the delay circuit that described actuating coil work delay time is controlled in the upset of control triggering electric circuit, the output connecting triggering circuit of delay circuit, the output of circuits for triggering connects electronic switching circuit, and the output of electronic switching circuit connects actuating coil.
2, magnet exciting coil control device according to claim 1 is characterized in that described power unit is made up of rectifier bridge (QL) and integrated regulator (V1).
3, magnet exciting coil control device according to claim 1 and 2 is characterized in that the delay circuit of described automatic control section is made of the resistance (R3) and the electric capacity (C2) of series connection between the positive and negative electrode of rectifier bridge (QL) output; Described circuits for triggering adopt comparator (V2), its in-phase input end connects the connected node of resistance in the delay circuit (R3) and electric capacity (C2), its inverting input connects the connected node of series resistance (R1, R2), and resistance (R1, R2) is connected between the positive and negative electrode of rectifier bridge (QL) output.
4, magnet exciting coil control device according to claim 1, the electronic switching circuit that it is characterized in that described automatic control section is made up of voltage switch circuit and electronic switch, described voltage switch circuit is made of resistance (R4, R5, R6), electric capacity (C3) and switching tube (V3), switching tube (V3) is by the output of its base resistance (R4) contact Power Generation Road, resistance (R5), electric capacity (C3) are attempted by between the base stage and ground of switching tube (V3), and the collector electrode of switching tube (V3) connects the positive pole of rectifier bridge (QL) by resistance (R6); Described electronic switch adopts metal-oxide-semiconductor (V5), the grid of metal-oxide-semiconductor (V5) connects the collector electrode of switching tube (V3), between its grid and ground and be connected to resistance (R7) and voltage-stabiliser tube (V4), actuating coil (L2) is connected between the positive pole output of the drain electrode of metal-oxide-semiconductor (V5) and rectifier bridge (QL), is connected to transient voltage between the source of metal-oxide-semiconductor (V5), drain electrode and suppresses diode (V6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202249305U CN201315213Y (en) | 2008-11-23 | 2008-11-23 | Magnet exciting coil control device used in DC electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202249305U CN201315213Y (en) | 2008-11-23 | 2008-11-23 | Magnet exciting coil control device used in DC electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201315213Y true CN201315213Y (en) | 2009-09-23 |
Family
ID=41127011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202249305U Expired - Fee Related CN201315213Y (en) | 2008-11-23 | 2008-11-23 | Magnet exciting coil control device used in DC electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201315213Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485196A (en) * | 2014-12-19 | 2015-04-01 | 安阳凯地电磁技术有限公司 | Low-temperature-rise great-thrust direct current electromagnet |
| CN104505214A (en) * | 2014-12-19 | 2015-04-08 | 安阳凯地电磁技术有限公司 | High-thrust low-temperature-rise noise-free alternating-current electromagnet |
| CN113685097A (en) * | 2021-07-20 | 2021-11-23 | 东风汽车集团股份有限公司 | Vehicle and door lock control method and device |
-
2008
- 2008-11-23 CN CNU2008202249305U patent/CN201315213Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485196A (en) * | 2014-12-19 | 2015-04-01 | 安阳凯地电磁技术有限公司 | Low-temperature-rise great-thrust direct current electromagnet |
| CN104505214A (en) * | 2014-12-19 | 2015-04-08 | 安阳凯地电磁技术有限公司 | High-thrust low-temperature-rise noise-free alternating-current electromagnet |
| CN104505214B (en) * | 2014-12-19 | 2016-08-24 | 安阳凯地电磁技术有限公司 | A kind of high thrust low-temperature-rise no-noise AC electric magnet |
| CN104485196B (en) * | 2014-12-19 | 2016-11-30 | 安阳凯地电磁技术有限公司 | A kind of low-temperature-rise high thrust DC electromagnet |
| CN113685097A (en) * | 2021-07-20 | 2021-11-23 | 东风汽车集团股份有限公司 | Vehicle and door lock control method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100422881C (en) | Solenoid-operated valve actuating controller | |
| CN201315213Y (en) | Magnet exciting coil control device used in DC electromagnet | |
| WO2007028321A1 (en) | Low-power numerically controlled contactor and control system made of the contactors | |
| CN201417683Y (en) | Control circuit of bistable permanent magnetic actuator | |
| CN203895364U (en) | Double-coil energy-saving type contactor power source switch | |
| CN113611572A (en) | Energy-saving control method of contactor | |
| CN103247475B (en) | Constant-magnetic maintaining AC contactor control circuit and control method thereof | |
| CN101540242B (en) | Energy-saving magnetic latching relay circuit | |
| CN201177091Y (en) | Magnetic valve controller | |
| CN101640097B (en) | Electromagnetic coil circuit | |
| CN204901005U (en) | Pulse control device of direct current magnet valve | |
| CN201936818U (en) | Energy-saving arc-free electromagnetic contactor | |
| CN112345926B (en) | Electronic actuator reset detection method | |
| CN102214536A (en) | Energy-saving alternating-current contactor | |
| CN2826672Y (en) | Permanent-magnetic contactor and its control device | |
| CN2413378Y (en) | Instantaeous power consumption bistable electromagnetic relay | |
| CN108281324B (en) | Contactor coil energy-saving controller | |
| CN200941365Y (en) | Monostable magetic holding relay | |
| CN219267552U (en) | Relay driving circuit | |
| CN101582338B (en) | Bistable permanent magnetism operating mechanism control circuit | |
| CN104485257A (en) | Control circuit for double coiled relay | |
| CN209650054U (en) | A kind of Electronic bicycle of solar energy charging pile switching circuit | |
| CN100392786C (en) | Permanent magnetic contactor and control device thereof | |
| CN201167303Y (en) | Low-power consumption hybrid relay | |
| CN104795276A (en) | Power supply method and circuit of AC contactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: INFORMATION INDUSTRY MINISTRY NO.14 ELECTRONIC RES |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110831 Address after: 233010 No. 772 long march road, Anhui, Bengbu Co-patentee after: Huacheng High-tech Co.,Ltd. Of Electronic No.40 Research Institute, Ministry of Industry and Information Technology Patentee after: 44th Research Institute of China Electronics Technology Group Corporation Address before: 233010 Bengbu Changzheng Road, Anhui, No. 773 Patentee before: 44th Research Institute of China Electronics Technology Group Corporation |
|
| 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: 20090923 Termination date: 20171123 |