CN214674495U - High-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current - Google Patents
High-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current Download PDFInfo
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- CN214674495U CN214674495U CN202022520699.8U CN202022520699U CN214674495U CN 214674495 U CN214674495 U CN 214674495U CN 202022520699 U CN202022520699 U CN 202022520699U CN 214674495 U CN214674495 U CN 214674495U
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- contactor
- power supply
- supply circuit
- rectifier bridge
- electromagnetic chuck
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Abstract
The utility model discloses an output pure direct current's high efficiency electricity-saving type electromagnet supply circuit belongs to electromagnet supply circuit technical field, converts alternating current into direct current through the rectifier bridge, utilizes the step-down circuit of inductance, exports efficient wide range voltage. When the electromagnetic chuck sucks materials, the contactor 2 is closed, the power switch tube starts to work, meanwhile, the inductor, the diode 1 and the capacitor 2 form a voltage reduction circuit for power supply output, when the electromagnetic chuck discharges materials, the power switch tube is disconnected with the contactor 2, the contactor 3 is closed, the power switch tube starts to work, and meanwhile, the diode 1, the inductor and the capacitor 2 form a voltage reduction circuit for power supply reverse output; when the electromagnetic chuck finishes discharging, the power switch tube stops working, and the contactor 3 is disconnected.
Description
Technical Field
The utility model relates to an electromagnet power supply circuit especially relates to a high efficiency economize on electricity type electromagnet power supply circuit of output pure direct current, belongs to electromagnet power supply circuit technical field.
Background
In the prior art, alternating current is input, the electromagnetic chuck is supplied with power through diode half-wave or silicon controlled half-wave or full-wave rectification, and because the output waveform is not pure direct current and contains a large amount of alternating current components, the same voltage is output, compared with the pure direct current, the suction force is small, the loss is large, and therefore the high-efficiency power-saving electromagnetic chuck power supply circuit for outputting the pure direct current is designed to optimize the problems.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an output pure direct current's high efficiency electricity-saving type electromagnet supply circuit, convert alternating current into direct current through the rectifier bridge, utilize the step-down circuit of inductance, output efficient wide range voltage. When the electromagnetic chuck sucks materials, the contactor 2 is closed, the power switch tube starts to work, meanwhile, the inductor, the diode 1 and the capacitor 2 form a voltage reduction circuit for power supply output, when the electromagnetic chuck discharges materials, the power switch tube is disconnected with the contactor 2, the contactor 3 is closed, the power switch tube starts to work, and meanwhile, the diode 1, the inductor and the capacitor 2 form a voltage reduction circuit for power supply reverse output; when the electromagnetic chuck finishes discharging, the power switch tube stops working, and the contactor 3 is disconnected.
The purpose of the utility model can be achieved by adopting the following technical scheme:
the utility model provides an output pure direct current's high efficiency power saving type electromagnet supply circuit, includes input power, switch board circuit and load, input power is three-phase alternating current or single-phase alternating current, the switch board circuit includes circuit breaker and rectifier bridge, the input electric connection alternating current of circuit breaker, rectifier bridge negative pole electric connection contactor 2 normally open one end and contactor 3 normally open one end, another group of the normally open one end of contactor 3 of the normally open point of contactor 2, another group of the other end electric connection contactor 2 of contactor 3 normally open one end of normally open point, another group of the other end electric connection contactor 2 of contactor 2 normally open point's the other end of normally open point of contactor 2.
Preferably, the positive electrode of the rectifier bridge is electrically connected with one end of the resistor 1 and one end of a normally-on point of the contactor 1, and the other end of the normally-on point of the contactor 1 is electrically connected with the other end of the resistor 1, one end of the capacitor 1 and one end of the power switch tube.
Preferably, the other end of the power switch tube is electrically connected to one end of the inductor and the cathode of the diode 1, and the other end of the inductor is electrically connected to one end of the capacitor 2, one end of the resistor 2, one end of the diode 2, one end of another set of normally-on points of the contactor 2, and the other end of another set of normally-on points of the contactor 3.
Preferably, the other end of the normally-on point of the contactor 2 is electrically connected to one end of the resistor 3 and the electromagnetic chuck, and the other end of the electromagnetic chuck is electrically connected to the other end of the resistor 3 and the other end of the other group of the contactor 2.
Preferably, the negative electrode of the rectifier bridge is electrically connected to the capacitor 1, the anode of the diode 1, one end of the capacitor 2, one end of the resistor 2, and the anode of the diode 2.
Preferably, the rectifier bridge adopts a single-phase rectifier bridge or a three-phase rectifier bridge, and the power switch tube adopts a single IGBT or a single mos tube, or multiple IGBTs are connected in parallel or multiple mos tubes are connected in parallel.
The utility model has the advantages of:
the utility model provides a pair of output pure direct current's high efficiency electricity-saving type electromagnet supply circuit converts alternating current into direct current through the rectifier bridge, utilizes the step-down circuit of inductance, exports efficient wide range voltage. When the electromagnetic chuck sucks materials, the contactor 2 is closed, the power switch tube starts to work, meanwhile, the inductor, the diode 1 and the capacitor 2 form a voltage reduction circuit for power supply output, when the electromagnetic chuck discharges materials, the power switch tube is disconnected with the contactor 2, the contactor 3 is closed, the power switch tube starts to work, and meanwhile, the diode 1, the inductor and the capacitor 2 form a voltage reduction circuit for power supply reverse output; when the electromagnetic chuck finishes discharging, the power switch tube stops working, and the contactor 3 is disconnected.
Drawings
Fig. 1 is a circuit diagram of a preferred embodiment of a high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1, the present embodiment provides a high efficiency power saving type electromagnetic chuck power supply circuit outputting pure direct current, including input power, switch board circuit and load, the input power is three-phase alternating current or single-phase alternating current, the switch board circuit includes circuit breaker and rectifier bridge, the input electric connection alternating current of circuit breaker, rectifier bridge negative pole electric connection contactor 2's normally open point one end and contactor 3's normally open point one end, contactor 2's the other end electric connection contactor 3's another group's normally open point one end, contactor 3's another group's the other end electric connection contactor 2's another group's normally open point one end, contactor 2's another group's the other end electric connection contactor 3's the other end of normally open point.
When the electromagnetic chuck sucks materials, the contactor 2 is closed, the power switch tube starts to work, meanwhile, the inductor, the diode 1 and the capacitor 2 form a voltage reduction circuit for power supply output, when the electromagnetic chuck discharges materials, the power switch tube is disconnected with the contactor 2, the contactor 3 is closed, the power switch tube starts to work, and meanwhile, the diode 1, the inductor and the capacitor 2 form a voltage reduction circuit for power supply reverse output; when the electromagnetic chuck finishes discharging, the power switch tube stops working, and the contactor 3 is disconnected.
A circuit breaker: short circuit or overcurrent protection;
a rectifier bridge: converting the alternating current input into direct current output;
resistor 1 and contactor 1: forming a power-on buffer;
power switch tube, diode 1, inductance and capacitance 2: forming a voltage reduction circuit;
contactor 2 and contactor 3: the forward and reverse voltage switching of the electromagnetic chuck is formed together;
and a diode 2: follow current discharge of the electromagnetic chuck;
capacitance 1: the input filtering buffer function;
and (3) capacitance 2: outputting a filtering buffer function;
resistance 2: the function of charge discharge during no load;
resistance 3: and the electromagnetic chuck has the discharge energy consumption protection function.
In this embodiment, the positive electrode of the rectifier bridge is electrically connected to one end of the resistor 1 and one end of the contactor 1 at the normally-on point, and the other end of the contactor 1 at the normally-on point is electrically connected to the other end of the resistor 1, one end of the capacitor 1 and one end of the power switch tube.
In this embodiment, the other end of the power switch tube is electrically connected to one end of the inductor and the cathode of the diode 1, and the other end of the inductor is electrically connected to one end of the capacitor 2, one end of the resistor 2, one end of the diode 2, one end of another set of normally-on points of the contactor 2, and the other end of another set of normally-on points of the contactor 3.
In this embodiment, the other end of the normally-on point of the contactor 2 is electrically connected to one end of the resistor 3 and the electromagnetic chuck, and the other end of the electromagnetic chuck is electrically connected to the other end of the resistor 3 and the other end of the other group of the contactor 2.
In this embodiment, the negative electrode of the rectifier bridge is electrically connected to the capacitor 1, the anode of the diode 1, one end of the capacitor 2, one end of the resistor 2, and the anode of the diode 2.
In this embodiment, the rectifier bridge is a single-phase rectifier bridge or a three-phase rectifier bridge, and the power switching tube is a single IGBT or a single mos tube, or multiple IGBTs are connected in parallel or multiple mos tubes are connected in parallel.
The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.
Claims (6)
1. The utility model provides an output pure direct current's high efficiency power saving type electromagnet power supply circuit which characterized in that: including input power, switch board circuit and load, input power is three-phase alternating current or single-phase alternating current, the switch board circuit includes circuit breaker and rectifier bridge, the input electric connection alternating current of circuit breaker, rectifier bridge negative pole electric connection contactor 2's normally open point one end and contactor 3's normally open point one end, another group's of contactor 2's normally open point's other end electric connection contactor 3's normally open point's one end, another group's of contactor 3 another group's normally open point's other end electric connection contactor 2's another group's normally open point's one end, another group's of contactor 2 normally open point's the other end of the normally open point of other group electric connection contactor 3.
2. The power supply circuit of claim 1, wherein the power supply circuit comprises: the positive pole electrical connection resistance 1's of rectifier bridge one end and contactor 1 normal open point's one end, contactor 1 normal open point's the other end electrical connection resistance 1's the other end and the one end of electric capacity 1 and the one end of power switch tube.
3. The power supply circuit of claim 2, wherein the power supply circuit comprises: the other end electric connection of power switch tube inductance's one end and diode 1's negative pole, the other end electric connection electric capacity 2's one end, resistance 2's one end, diode 2's one end and contactor 2's another group's one end of normally opening the point and contactor 3's another group's the other end of normally opening the point.
4. The power supply circuit of claim 3, wherein the power supply circuit comprises: the other end of the normally-on point of the contactor 2 is electrically connected with one end of the resistor 3 and the electromagnetic chuck, and the other end of the electromagnetic chuck is electrically connected with the other end of the resistor 3 and the other group of the contactor 2.
5. The power supply circuit of claim 4, wherein the power supply circuit comprises: and the negative electrode of the rectifier bridge is electrically connected with the capacitor 1, the anode of the diode 1, one end of the capacitor 2, one end of the resistor 2 and the anode of the diode 2.
6. The power supply circuit of claim 5, wherein the power supply circuit comprises: the rectifier bridge adopts a single-phase rectifier bridge or a three-phase rectifier bridge, and the power switch tube adopts a single IGBT or a single mos tube, or a plurality of IGBTs are connected in parallel or a plurality of mos tubes are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022520699.8U CN214674495U (en) | 2020-11-04 | 2020-11-04 | High-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022520699.8U CN214674495U (en) | 2020-11-04 | 2020-11-04 | High-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214674495U true CN214674495U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022520699.8U Active CN214674495U (en) | 2020-11-04 | 2020-11-04 | High-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214674495U (en) |
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2020
- 2020-11-04 CN CN202022520699.8U patent/CN214674495U/en active Active
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