CN218231491U - Contactless control system for lifting electromagnet - Google Patents
Contactless control system for lifting electromagnet Download PDFInfo
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- CN218231491U CN218231491U CN202221708861.1U CN202221708861U CN218231491U CN 218231491 U CN218231491 U CN 218231491U CN 202221708861 U CN202221708861 U CN 202221708861U CN 218231491 U CN218231491 U CN 218231491U
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Abstract
The utility model relates to a contactless control system of lifting electromagnet, the main circuit includes switching power supply, first transformer, excitation circuit and reverse demagnetization circuit, input power supply is connected with the input of first transformer, excitation circuit and reverse demagnetization circuit's input all is connected with the output of first transformer, excitation circuit and reverse demagnetization circuit's output all are connected with lifting electromagnet, excitation circuit and reverse demagnetization circuit all are connected with switching power supply's output, switching power supply is used for providing operating voltage for excitation circuit and reverse demagnetization circuit; the input end of the driving circuit is connected with an input power supply; through setting up excitation circuit and reverse demagnetization circuit, realized contactless control hoisting electromagnet, compare with adopting direct current contactor control hoisting electromagnet, eliminated arc light and the spark that the operation produced, prolonged hoisting electromagnet switch board's life, reduced the fault rate, improved the stationarity and the reliability of work.
Description
Technical Field
The utility model belongs to the technical field of control system technique and specifically relates to a contactless control system of jack-up electro-magnet is related to.
Background
At present, a lifting electromagnet control cabinet generally uses a direct current contactor to switch on or off a lifting electromagnet, so that the arc light of operation is large, contacts are easy to burn, the maintenance is frequent, the failure rate is high, the maintenance and operation cost is high, and the normal operation of production is often influenced by sudden failures.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hoisting electromagnet does not have contact control system, its advantage is that arc light and spark can be eliminated, life has been prolonged, has reduced the fault rate, has improved the stationarity and the reliability of work.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a contactless control system of a lifting electromagnet is used for controlling the discharging and sucking of the lifting electromagnet and comprises a main circuit and a driving circuit; the main circuit is coupled with an input power supply and the lifting electromagnet; the main circuit comprises a switching power supply, a first transformer, an excitation circuit and a reverse demagnetization circuit, the input power supply is connected with the input end of the first transformer, the input ends of the excitation circuit and the reverse demagnetization circuit are both connected with the output end of the first transformer, the output ends of the excitation circuit and the reverse demagnetization circuit are both connected with the lifting electromagnet, the excitation circuit and the reverse demagnetization circuit are both connected with the output end of the switching power supply, and the switching power supply is used for providing working voltage for the excitation circuit and the reverse demagnetization circuit; the excitation circuit is used for applying rectified direct-current voltage to the lifting electromagnet so as to enable the lifting electromagnet to suck materials; the reverse demagnetization circuit is used for reversely adding rectified direct current voltage to the lifting electromagnet so as to enable the lifting electromagnet to accelerate the discharging speed; the input end of the driving circuit is connected with the input power supply, and the driving circuit is used for controlling the output of the direct current voltage of the excitation circuit and the reverse demagnetization circuit so as to enable the lifting electromagnet to suck or discharge materials.
Preferably, the utility model provides a contactless control system of hoisting electromagnet, excitation circuit includes first rectifier module and first control circuit, first control circuit with the first rectifier module is connected, the output positive terminal of first rectifier module passes through first wire and is connected with hoisting electromagnet, the output negative terminal of first rectifier module passes through the second wire and is connected with hoisting electromagnet, 1 foot and 2 feet of first rectifier module are connected and are all connected with switching power supply's output; the driving circuit controls the first rectifying module to output direct-current voltage or not by controlling the first control circuit.
Preferably, the utility model provides a contactless control system of lifting electromagnet, first control circuit includes first resistance, second resistance, first intermediate relay normally open contact and second intermediate relay normally closed contact, the one end of first resistance is connected with 3 feet of first rectifier module, the other end of first resistance through the second intermediate relay normally closed contact with 4 feet of first rectifier module are connected; the one end of second resistance is passed through second intermediate relay normally closed contact with 4 feet of first rectifier module are connected, the other end of second resistance with 5 feet of first rectifier module are connected, first intermediate relay normally open contact couple in the second resistance with between the second intermediate relay normally closed contact.
Preferably, the utility model provides a contactless control system of hoisting electromagnet, reverse demagnetization circuit includes second rectifier module and second control circuit, the second control circuit with second rectifier module is connected, the output positive terminal of second rectifier module passes through the third resistance and is connected with the second wire, the output negative pole end of second rectifier module passes through the fourth resistance and is connected with the first wire, 1 foot and 2 feet of second rectifier module are connected and are all connected with switching power supply's output; the driving circuit controls the second rectifying module to output direct-current voltage or not by controlling the second control circuit.
Preferably, the utility model provides a contactless control system of lifting electromagnet, the second control circuit includes fifth resistance, sixth resistance, first intermediate relay normally closed contact and second intermediate relay normally open contact, the one end of fifth resistance with the 3 feet of second rectifier module are connected, the other end of fifth resistance through the first intermediate relay normally closed contact with the 4 feet of second rectifier module are connected; one end of the sixth resistor is connected with the 4 pins of the second rectifying module through the normally closed contact of the first intermediate relay, the other end of the sixth resistor is connected with the 5 pins of the second rectifying module, and the normally open contact of the second intermediate relay is coupled between the sixth resistor and the normally closed contact of the first intermediate relay.
Preferably, the utility model provides a contactless control system of hoisting electromagnet, drive circuit includes second transformer and administrative unit, the input of second transformer with input power supply's output is connected, the output of second transformer with the administrative unit is connected.
Preferably, the utility model provides a contactless control system of lifting electromagnet, the administrative unit includes master switch, first branch road and second branch road, master switch's input is connected with the output of second transformer, master switch's output is used for being connected with first branch road or the second branch road; the first branch is connected in parallel with the second branch.
Preferably, the utility model provides a contactless control system of jack-up electro-magnet, first branch way includes first auxiliary relay coil the master switch's output with when first branch way is connected, first auxiliary relay coil is electrified, so that the jack-up electro-magnet inhales the material.
Preferably, the utility model provides a contactless control system of hoisting electromagnet, the second branch road includes second auxiliary relay coil the master switch's output with when the second branch road is connected, second auxiliary relay coil is electrified, so that hoisting electromagnet accelerates the blowing speed.
Preferably, the utility model provides a jack-up electro-magnet contactless control system, input power source includes power end and circuit breaker, the power end with the input of circuit breaker is connected.
To sum up, the utility model discloses a beneficial technological effect does: the non-contact control system for the lifting electromagnet is used for controlling the lifting electromagnet to discharge and suck materials and comprises a main circuit and a driving circuit; the main circuit is coupled with an input power supply and a lifting electromagnet; the main circuit comprises a switching power supply, a first transformer, an excitation circuit and a reverse demagnetization circuit, wherein the input power supply is connected with the input end of the first transformer, the input ends of the excitation circuit and the reverse demagnetization circuit are connected with the output end of the first transformer, the output ends of the excitation circuit and the reverse demagnetization circuit are connected with a lifting electromagnet, the excitation circuit and the reverse demagnetization circuit are connected with the output end of the switching power supply, and the switching power supply is used for providing working voltage for the excitation circuit and the reverse demagnetization circuit; the excitation circuit is used for applying rectified direct-current voltage to the lifting electromagnet so as to enable the lifting electromagnet to suck materials; the reverse demagnetization circuit is used for reversely adding the rectified direct current voltage to the lifting electromagnet so as to enable the lifting electromagnet to accelerate the discharging speed; the input end of the driving circuit is connected with an input power supply, and the driving circuit is used for controlling the output of direct-current voltage of the excitation circuit and the reverse demagnetization circuit so as to enable the lifting electromagnet to suck or discharge materials; through setting up excitation circuit and reverse demagnetization circuit, realized contactless control hoisting electromagnet, compare with adopting direct current contactor control hoisting electromagnet, eliminated arc light and the spark that the operation produced, prolonged hoisting electromagnet switch board's life, reduced the fault rate, improved the stationarity and the reliability of work.
Drawings
Fig. 1 is a circuit diagram of a contactless control system for a lifting electromagnet according to an embodiment of the present invention.
In the figure, 1, a lifting electromagnet contactless control system; 10. a main circuit; PS1, a switching power supply; t1, a first transformer; 11. an excitation circuit; MOD1, a first rectification module; 111. a first control circuit; r3, a first resistor; r4, a second resistor; KA1 and a normally open contact of a first intermediate relay; KA2 and a normally closed contact of a second intermediate relay; 112. a first conductive line; 113. a second conductive line; 12. a reverse demagnetization circuit; MOD2 and a second rectifying module; 121. a second control circuit; r2 and a third resistor; r1 and a fourth resistor; r5 and a fifth resistor; r6 and a sixth resistor; KA1 and a normally closed contact of a first intermediate relay; KA2 and a normally open contact of a second intermediate relay; 20. a drive circuit; t2, a second transformer; 21. a management unit; SA1, a master switch; 211. a first branch; KA1, a first intermediate relay coil; 212. a second branch; KA2, a second intermediate relay coil; 30. inputting a power supply; 31. a power supply terminal; QF1, a circuit breaker; YA1 and an excitation coil.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a contactless control system 1 for a lifting electromagnet, which is disclosed by the present invention, is used for controlling the discharging and sucking of the lifting electromagnet, and comprises a main circuit 10 and a driving circuit 20; the main circuit 10 is coupled with an input power supply 30 and a lifting electromagnet; the main circuit 10 comprises a switching power supply PS1, a first transformer T1, an excitation circuit 11 and a reverse demagnetization circuit 12, an input power supply 30 is connected with the input end of the first transformer T1, the input ends of the excitation circuit 11 and the reverse demagnetization circuit 12 are both connected with the output end of the first transformer T1, the output ends of the excitation circuit 11 and the reverse demagnetization circuit 12 are both connected with a lifting electromagnet, the excitation circuit 11 and the reverse demagnetization circuit 12 are both connected with the output end of the switching power supply PS1, and the switching power supply PS1 is used for providing working voltage for the excitation circuit 11 and the reverse demagnetization circuit 12; the excitation circuit 11 is used for applying rectified direct-current voltage to the lifting electromagnet so as to enable the lifting electromagnet to suck materials; the reverse demagnetization circuit 12 is used for reversely adding the rectified direct current voltage to the lifting electromagnet so as to enable the lifting electromagnet to accelerate the discharging speed; through setting up excitation circuit 11 and reverse demagnetization circuit 12, realized contactless control lifting electromagnet, compare with adopting direct current contactor control lifting electromagnet, eliminated the arc light and the spark that the operation produced, prolonged lifting electromagnet switch board's life, reduced the fault rate, improved the stationarity and the reliability of work.
Specifically, the output positive end of the excitation circuit 11 and the output negative end of the excitation circuit 11 are respectively coupled with the first end of the excitation coil YA1 of the lifting electromagnet and the second end of the excitation coil YA1 of the lifting electromagnet; when the lifting electromagnet sucks the material, the excitation circuit 11 applies the rectified dc voltage to the excitation coil YA1, and at this time, the excitation coil YA1 generates a magnetic field, so that the lifting electromagnet sucks the material.
Wherein, the output negative terminal of the reverse demagnetization circuit 12 and the output positive terminal of the reverse demagnetization circuit 12 are respectively coupled with the first terminal of the excitation coil YA1 of the lifting electromagnet and the second terminal of the excitation coil YA1 of the lifting electromagnet; when the lifting electromagnet discharges materials, the exciting circuit 11 does not output direct-current voltage at the moment, the reverse demagnetizing circuit 12 applies the rectified direct-current voltage to the exciting coil YA1 to generate a reverse magnetic field, so that the falling of the sucked materials of the electromagnet is accelerated, and the electromagnet can realize the rapid discharging work.
In this embodiment, the input end of the driving circuit 20 is connected to the input power supply 30, and the driving circuit 20 is configured to control the output of the dc voltages of the exciting circuit 11 and the reverse demagnetizing circuit 12, so that the lifting electromagnet can suck or discharge material.
In use, the switching power supply PS1 outputs a 12VDC voltage.
Further, in the present embodiment, the input power 30 includes a power end 31 and a breaker QF1, and the power end 31 is connected to an input end of the breaker QF 1.
Specifically, the input end of the first transformer T1 and the input end of the driving circuit 20 are both connected to the output end of the breaker QF 1.
In the use process, the voltage of the power supply end 31 is 380VAC,50HZ reaches the first transformer T1 through the breaker QF1, and the secondary voltage of the primary transformer T1 supplies power to the exciting circuit 11 and the reverse demagnetizing circuit 12.
Further, in this embodiment, the excitation circuit 11 includes a first rectification module MOD1 and a first control circuit 111, the first control circuit 111 is connected to the first rectification module MOD1, an output positive terminal of the first rectification module MOD1 is connected to the lifting electromagnet through a first wire 112, an output negative terminal of the first rectification module MOD1 is connected to the lifting electromagnet through a second wire 113, and pins 1 and 2 of the first rectification module MOD1 are connected to an output terminal of the switching power supply PS 1; the driving circuit 20 controls the first control circuit 111 to control whether the first rectifying module MOD1 outputs the dc voltage.
Specifically, the positive output terminal of the first rectifier module MOD1 is connected to the first end of the excitation coil YA1 through a first conducting wire 112, and the negative output terminal of the first rectifier module MOD1 is connected to the second end of the excitation coil YA1 through a second conducting wire 113.
The structure of the first rectifying module MOD1 is well known to those skilled in the art, and the structure of the first rectifying module MOD1 is not described herein again.
Further, in this embodiment, the first control circuit 111 includes a first resistor R3, a second resistor R4, a first intermediate relay normally-open contact KA1, and a second intermediate relay normally-closed contact KA2, one end of the first resistor R3 is connected to pin 3 of the first rectification module MOD1, and the other end of the first resistor R3 is connected to pin 4 of the first rectification module MOD1 through the second intermediate relay normally-closed contact KA 2; one end of the second resistor R4 is connected with the pin 4 of the first rectifying module MOD1 through the normally closed contact KA2 of the second intermediate relay, the other end of the second resistor R4 is connected with the pin 5 of the first rectifying module MOD1, and the normally open contact KA1 of the first intermediate relay is coupled between the second resistor R4 and the normally closed contact KA2 of the second intermediate relay.
Specifically, a normally open contact KA1 of the first intermediate relay is connected with a normally closed contact KA2 of the second intermediate relay in series.
The first rectifying module MOD1 controls whether to output a dc voltage by applying voltages to pins 3 and 4 of the first rectifying module MOD 1.
Further, in this embodiment, the reverse demagnetization circuit 12 includes a second rectification module MOD2 and a second control circuit 121, the second control circuit 121 is connected to the second rectification module MOD2, an output positive terminal of the second rectification module MOD2 is connected to the second wire 113 through a third resistor R2, an output negative terminal of the second rectification module MOD2 is connected to the first wire 112 through a fourth resistor R1, and pins 1 and 2 of the second rectification module MOD2 are connected to an output terminal of the switching power supply PS 1; the driving circuit 20 controls whether the second rectifying module MOD2 outputs the dc voltage by controlling the second control circuit 121.
Specifically, the output positive terminal of the second rectifier module MOD2 is connected to the second lead 113 and the second terminal of the excitation coil YA1 through the third resistor R2 in sequence, and the output negative terminal of the second rectifier module MOD2 is connected to the first lead 112 and the first terminal of the excitation coil YA1 through the fourth resistor R1 in sequence.
The structure of the second rectifier module MOD2 is substantially the same as the structure of the first rectifier module MOD2, and details of the structure of the second rectifier module MOD2 are omitted here.
Further, in this embodiment, the second control circuit 121 includes a fifth resistor R5, a sixth resistor R6, a first intermediate relay normally-closed contact KA1, and a second intermediate relay normally-open contact KA2, one end of the fifth resistor R5 is connected to pin 3 of the second rectification module MOD2, and the other end of the fifth resistor R5 is connected to pin 4 of the second rectification module MOD2 through the first intermediate relay normally-closed contact KA 1; one end of the sixth resistor R6 is connected with 4 pins of the second rectifier module MOD1 through the normally closed contact KA1 of the first intermediate relay, the other end of the sixth resistor R6 is connected with 5 pins of the second rectifier module MOD2, and the normally open contact KA2 of the second intermediate relay is coupled between the sixth resistor R6 and the normally closed contact KA1 of the first intermediate relay.
Specifically, a normally closed contact KA1 of the first intermediate relay is connected with a normally open contact KA2 of the second intermediate relay in series.
The second rectifying module MOD2 controls whether to output a dc voltage by applying voltages to pins 3 and 4 of the second rectifying module MOD 2.
With reference to fig. 1, in the present embodiment, the driving circuit 20 includes a second transformer T2 and a management unit 21, an input terminal of the second transformer T2 is connected to an output terminal of the input power supply 30, and an output terminal of the second transformer T2 is connected to the management unit 21.
Specifically, the input end of the second transformer T2 is connected to the output end of the breaker QF 1.
In the using process, 380V ac power passes through the breaker QF1 and the second transformer T2, and the secondary of the second transformer T2 outputs 220V ac voltage to power the management unit 21.
Further, in this embodiment, the management unit 21 includes a master switch SA1, a first branch 211, and a second branch 212, an input end of the master switch SA1 is connected to an output end of the second transformer T2, and an output end of the master switch SA1 is used to be connected to the first branch 211 or the second branch 212; the first branch 211 is connected in parallel with the second branch 212.
Wherein, first branch road 211 includes first auxiliary relay coil KA1, and when master switch SA 1's output and first branch road 211 are connected, first auxiliary relay coil KA1 gets electric to make the lifting electromagnet inhale the material. In this embodiment, the second branch 212 includes a second intermediate relay coil KA2, and when the output end of the master switch SA1 is connected to the second branch 212, the second intermediate relay coil KA2 is powered on, so that the lifting electromagnet accelerates the material discharge speed.
The working principle of the lifting electromagnet contactless control system 1 provided by the embodiment is as follows: taking the orientation shown in fig. 1 as an example, the upper end of the master switch SA1 is connected to the first branch 211, the first intermediate relay coil KA1 is powered on, at this time, the first intermediate relay normally-open contact KA1 is closed, the first intermediate relay normally-closed contact KA1 is open, at this time, the first rectifier module MOD1 applies rectified dc voltage to the excitation coil YA1, the excitation coil YA1 generates a magnetic field, and the lifting electromagnet performs suction work; inhale the material and accomplish the back, master switch SA 1's upper end and the disconnection of first branch road 211, then master switch SA 1's lower extreme is connected with second branch road 212, second intermediate relay coil KA2 gets electricity, this moment, the disconnection of second intermediate relay normally closed contact KA2, second intermediate relay normally open contact KA2 is closed, first intermediate relay normally open contact KA1 disconnection, first intermediate relay normally closed contact KA1 is closed, second rectifier module MOD2 adds the direct current voltage of rectification play on excitation coil YA1, produce reverse magnetic field, accelerate the electro-magnet by dropping of inhaling the material, make the work of quick blowing of electro-magnet realization.
The lifting electromagnet contactless control system 1 is used for controlling discharging and sucking of a lifting electromagnet and comprises a main circuit 10 and a driving circuit 20; the main circuit 10 is coupled with an input power supply 30 and a lifting electromagnet; the main circuit 10 comprises a switching power supply, a first transformer, an excitation circuit 11 and a reverse demagnetization circuit 12, wherein an input power supply 30 is connected with the input end of the first transformer, the input ends of the excitation circuit 11 and the reverse demagnetization circuit 12 are both connected with the output end of the first transformer, the output ends of the excitation circuit 11 and the reverse demagnetization circuit 12 are both connected with a hoisting electromagnet, the excitation circuit 11 and the reverse demagnetization circuit 12 are both connected with the output end of the switching power supply, and the switching power supply is used for providing working voltage for the excitation circuit 11 and the reverse demagnetization circuit 12; the excitation circuit 11 is used for applying rectified direct-current voltage to the lifting electromagnet so as to enable the lifting electromagnet to suck materials; the reverse demagnetizing circuit 12 is used for reversely applying rectified direct current voltage to the lifting electromagnet so as to accelerate the discharging speed of the lifting electromagnet; the input end of the driving circuit 20 is connected with the input power supply 30, and the driving circuit 20 is used for controlling the output of the direct-current voltage of the excitation circuit 11 and the reverse demagnetization circuit 12 so as to enable the lifting electromagnet to suck or discharge materials; through setting up excitation circuit 11 and reverse demagnetization circuit 12, realized contactless control lifting electromagnet, compare with adopting direct current contactor control lifting electromagnet, eliminated the arc light and the spark that the operation produced, prolonged lifting electromagnet switch board's life, reduced the fault rate, improved the stationarity and the reliability of work.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a hoisting electromagnet contactless control system which characterized in that: the lifting electromagnet is used for controlling the discharging and sucking of the lifting electromagnet and comprises a main circuit and a driving circuit;
the main circuit is coupled with an input power supply and the lifting electromagnet;
the main circuit comprises a switching power supply, a first transformer, an excitation circuit and a reverse demagnetization circuit, the input power supply is connected with the input end of the first transformer, the input ends of the excitation circuit and the reverse demagnetization circuit are both connected with the output end of the first transformer, the output ends of the excitation circuit and the reverse demagnetization circuit are both connected with the lifting electromagnet, the excitation circuit and the reverse demagnetization circuit are both connected with the output end of the switching power supply, and the switching power supply is used for providing working voltage for the excitation circuit and the reverse demagnetization circuit;
the excitation circuit is used for applying rectified direct-current voltage to the lifting electromagnet so as to enable the lifting electromagnet to suck materials;
the reverse demagnetization circuit is used for reversely adding rectified direct current voltage to the lifting electromagnet so as to enable the lifting electromagnet to accelerate the discharging speed;
the input end of the driving circuit is connected with the input power supply, and the driving circuit is used for controlling the output of the direct-current voltage of the excitation circuit and the reverse demagnetization circuit so as to enable the lifting electromagnet to suck or discharge materials.
2. Lifting electromagnet contactless control system according to claim 1, characterized in that: the excitation circuit comprises a first rectification module and a first control circuit, the first control circuit is connected with the first rectification module, the output positive end of the first rectification module is connected with the lifting electromagnet through a first lead, the output negative end of the first rectification module is connected with the lifting electromagnet through a second lead, and the pins 1 and 2 of the first rectification module are connected and are connected with the output end of the switching power supply;
the driving circuit controls the first rectifying module to output direct-current voltage or not by controlling the first control circuit.
3. A contactless control system for lifting electromagnets according to claim 2, characterised in that: the first control circuit comprises a first resistor, a second resistor, a first intermediate relay normally-open contact and a second intermediate relay normally-closed contact, one end of the first resistor is connected with the pin 3 of the first rectifying module, and the other end of the first resistor is connected with the pin 4 of the first rectifying module through the second intermediate relay normally-closed contact;
the one end of second resistance is passed through second intermediate relay normally closed contact with 4 feet of first rectifier module are connected, the other end of second resistance with 5 feet of first rectifier module are connected, first intermediate relay normally open contact couple in the second resistance with between the second intermediate relay normally closed contact.
4. A contactless control system for lifting electromagnets according to claim 2, characterised in that: the reverse demagnetization circuit comprises a second rectification module and a second control circuit, the second control circuit is connected with the second rectification module, the output positive end of the second rectification module is connected with the second lead through a third resistor, the output negative end of the second rectification module is connected with the first lead through a fourth resistor, and the pins 1 and 2 of the second rectification module are connected and are connected with the output end of the switching power supply;
the driving circuit controls the second rectifying module to output direct-current voltage or not by controlling the second control circuit.
5. Lifting electromagnet contactless control system according to claim 4, characterized in that: the second control circuit comprises a fifth resistor, a sixth resistor, a first intermediate relay normally-closed contact and a second intermediate relay normally-open contact, one end of the fifth resistor is connected with the pin 3 of the second rectifying module, and the other end of the fifth resistor is connected with the pin 4 of the second rectifying module through the first intermediate relay normally-closed contact;
one end of the sixth resistor is connected with 4 pins of the second rectifying module through the normally closed contact of the first intermediate relay, the sixth resistor is connected with 5 pins of the second rectifying module, and the normally open contact of the second intermediate relay is coupled between the sixth resistor and the normally closed contact of the first intermediate relay.
6. Lifting electromagnet contactless control system according to claim 1, characterized in that: the driving circuit comprises a second transformer and a management unit, wherein the input end of the second transformer is connected with the output end of the input power supply, and the output end of the second transformer is connected with the management unit.
7. Lifting electromagnet contactless control system according to claim 6, characterized in that: the management unit comprises a master switch, a first branch and a second branch, wherein the input end of the master switch is connected with the output end of the second transformer, and the output end of the master switch is used for being connected with the first branch or the second branch;
the first branch is connected in parallel with the second branch.
8. Lifting electromagnet contactless control system according to claim 7, characterized in that: the first branch comprises a first intermediate relay coil, and when the output end of the master switch is connected with the first branch, the first intermediate relay coil is electrified so that the lifting electromagnet can suck materials.
9. Lifting electromagnet contactless control system according to claim 8, characterized in that: the second branch circuit comprises a second intermediate relay coil, and when the output end of the master switch is connected with the second branch circuit, the second intermediate relay coil is electrified, so that the lifting electromagnet accelerates the material discharging speed.
10. A contactless control system for lifting electromagnets according to claim 1, characterised in that: the input power supply comprises a power end and a circuit breaker, and the power end is connected with the input end of the circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221708861.1U CN218231491U (en) | 2022-06-30 | 2022-06-30 | Contactless control system for lifting electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221708861.1U CN218231491U (en) | 2022-06-30 | 2022-06-30 | Contactless control system for lifting electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218231491U true CN218231491U (en) | 2023-01-06 |
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ID=84673831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221708861.1U Active CN218231491U (en) | 2022-06-30 | 2022-06-30 | Contactless control system for lifting electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218231491U (en) |
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2022
- 2022-06-30 CN CN202221708861.1U patent/CN218231491U/en active Active
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