CN214506571U - Contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current - Google Patents
Contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current Download PDFInfo
- Publication number
- CN214506571U CN214506571U CN202022727146.XU CN202022727146U CN214506571U CN 214506571 U CN214506571 U CN 214506571U CN 202022727146 U CN202022727146 U CN 202022727146U CN 214506571 U CN214506571 U CN 214506571U
- Authority
- CN
- China
- Prior art keywords
- switch tube
- power switch
- diode
- power
- electromagnetic chuck
- 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.)
- Active
Links
Images
Landscapes
- Rectifiers (AREA)
Abstract
The utility model discloses a contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current, when an electromagnetic chuck sucks materials, a power switch tube 2 and a power switch tube 3 are switched on, the power switch tube 1 starts to work, and meanwhile, an inductor, a diode 1 and a capacitor 2 form a voltage reduction circuit for power supply output; when the electromagnetic chuck discharges materials, the power switch tube 1 is switched off, the power switch tube 2 and the power switch tube 3 are switched off, the power switch tube 4 and the power switch tube 5 are switched on, the power switch tube 1 starts to work, and meanwhile, the power switch tube, the diode 1, the inductor and the capacitor 2 form a voltage reduction circuit for supplying power and outputting in a reverse direction; when the electromagnetic chuck finishes discharging, the power switch tube 1 stops working, and the power switch tube 4 and the power switch tube 5 are disconnected. When the switch works, pure direct current is output, then the current entering the switch is stabilized to be direct current, the efficiency is improved, forward and reverse voltages are switched through the non-contact power switch tube, contact switching and ignition can be avoided, and the service life is prolonged.
Description
Technical Field
The utility model relates to an output pure direct current's contactless electromagnet supply circuit especially relates to an output pure direct current's contactless high efficiency power saving type electromagnet supply circuit, belongs to electromagnet 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 a contactless high-efficiency power-saving electromagnetic chuck power supply circuit which outputs the pure direct current is designed to optimize the problems.
The electromagnetic chuck power supply circuit in the prior art is designed to solve the problems that the alternating current input is adopted, the electromagnetic chuck is supplied with power through the rectification of a diode or a silicon controlled rectifier, the output waveform is not pure direct current, the same voltage is output, the suction force is small compared with the pure direct current, the loss is large, and the efficiency is low when the electromagnetic chuck power supply circuit in the prior art is used.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model can be achieved by adopting the following technical scheme:
a contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current, which comprises an input power supply, a control cabinet circuit and a load, the input power supply inputs alternating current, the control cabinet circuit comprises a circuit breaker and a rectifier bridge, the input end of the circuit breaker is electrically connected with the alternating current, the output end of the circuit breaker is electrically connected with a rectifier bridge, the cathode of the rectifier bridge is electrically connected with one end of a power switch tube 3, the cathode of a diode 4, one end of a power switch tube 5 and the cathode of a diode 6, the other end of the power switch tube 3 is electrically connected with the anode of the diode 4 and is also connected with one end of the power switch tube 4 and the anode of the diode 5, the other end of the power switch tube 4 is electrically connected with one end of the power switch tube 2 and the cathode of the diode 3, the other end of the power switch tube 2 is electrically connected with the anode of the diode 3 and is also connected with the other end of the power switch tube 5 and the anode of the diode 6.
Preferably, the positive electrode of the rectifier bridge is electrically connected with one end of the resistor 1 and one end of the contactor 1 at the normal-open point, and the other end of the resistor 1 is electrically connected with the other end of the contactor 1 at the normal-open point, one end of the capacitor 1 and one end of the power switch tube 1.
Preferably, the other end of the power switch tube 1 is electrically connected to the cathode of the diode 1 and one end of the inductor, 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 the power switch tube 2, and one end of the power switch tube 4.
Preferably, the other end of the power switch tube 2 is electrically connected to one end of the resistor 3 and a load, the load includes an electromagnetic chuck, and one end of the resistor 3 is electrically connected to one end of the electromagnetic chuck.
Preferably, the other end of the electromagnetic chuck is electrically connected with the other end of the resistor 3 and the other end of the power switch tube 3.
Preferably, the negative electrode of the rectifier bridge is electrically connected to the other end of the capacitor 1, the anode of the diode 1, the other end of the capacitor 2, the other end of the resistor 2, and the anode of the diode 2.
The utility model has the advantages of:
the utility model provides a contactless high efficiency power saving type electromagnetic chuck power supply circuit of output pure direct current, when carrying out the electromagnetic chuck and inhale the material, power switch tube 2 and power switch tube 3 switch on, power switch tube 1 begins to work, and inductance, diode 1 and electric capacity 2 constitute step-down circuit power supply output simultaneously; when the electromagnetic chuck discharges materials, the power switch tube 1 is switched off, the power switch tube 2 and the power switch tube 3 are switched off, the power switch tube 4 and the power switch tube 5 are switched on, the power switch tube 1 starts to work, and meanwhile, the power switch tube, the diode 1, the inductor and the capacitor 2 form a voltage reduction circuit for supplying power and outputting in a reverse direction; when the electromagnetic chuck finishes discharging, the power switch tube 1 stops working, and the power switch tube 4 and the power switch tube 5 are disconnected. When the switch works, pure direct-current voltage is output, then the current entering the switch is stabilized to be direct current, the efficiency is improved, the forward and reverse voltages are switched through the non-contact power switch tube, contact switching and ignition can be avoided, and the service life is prolonged.
Drawings
Fig. 1 is a circuit diagram of a preferred embodiment of a contactless high-efficiency power-saving type 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 contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current provided by this embodiment includes an input power supply, a control cabinet circuit and a load, the input power supply inputs alternating current, the control cabinet circuit includes a circuit breaker and a rectifier bridge, the input end of the circuit breaker is electrically connected with the alternating current, the output end of the circuit breaker is electrically connected with the rectifier bridge, the negative pole of the rectifier bridge is electrically connected with one end of a power switch tube 3, the cathode of a diode 4, one end of a power switch tube 5 and the cathode of a diode 6, the other end of the power switch tube 3 is electrically connected with the anode of the diode 4 and is also connected with one end of the power switch tube 4 and the anode of the diode 5, the other end of the power switch tube 4 is electrically connected with one end of the power switch tube 2 and the cathode of the diode 3, the other end of the power switch tube 2 is electrically connected with the anode of the diode 3 and is also connected with the other end of the power switch tube 5 and the anode of the diode 5 The anode of the tube 6.
When the electromagnetic chuck sucks materials, the power switch tube 2 and the power switch tube 3 are switched on, the power switch tube 1 starts to work, and 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 1 is switched off, the power switch tube 2 and the power switch tube 3 are switched off, the power switch tube 4 and the power switch tube 5 are switched on, the power switch tube 1 starts to work, and meanwhile, the power switch tube, the diode 1, the inductor and the capacitor 2 form a voltage reduction circuit for supplying power and outputting in a reverse direction;
when the electromagnetic chuck finishes discharging, the power switch tube 1 stops working, and the power switch tube 4 and the power switch tube 5 are disconnected.
Inputting a power supply: single phase or three phase alternating current;
a rectifier bridge: a single-phase rectifier bridge or a three-phase rectifier bridge;
power switch tube 1, power switch tube 2, power switch tube 3, power switch tube 4, and power switch tube 5: a single IGBT or a single mos tube is adopted, a plurality of IGBTs can be connected in parallel, and a plurality of mos tubes can be connected in parallel.
A circuit breaker: for short circuit or overcurrent protectors;
resistor 1 and contactor 1: forming a power-on buffer;
power switch tube 1, diode 1, inductance and capacitance 2: forming a voltage reduction circuit.
Power switch tube 2, power switch tube 3, power switch tube 4 and power switch tube 5: the forward and reverse voltage switching of the electromagnetic chuck is formed together.
And a diode 2: follow current discharge of the electromagnetic chuck;
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.
The forward and reverse voltages are switched by the contactless power switch tube, so that contact switching ignition can be avoided, and the service life is prolonged.
In this embodiment, the positive electrode of the rectifier bridge electrically connects one end of the resistor 1 and one end of the contactor 1 at the normally-on point, and the other end of the resistor 1 is electrically connected to the other end of the contactor 1 at the normally-on point, one end of the capacitor 1 and one end of the power switch tube 1.
The input filtering buffering function is realized through the capacitor 1, and the power-on buffering function is formed through the resistor 1 and the contactor 1.
In this embodiment, the negative pole of the electric connection diode 1 of the other end of power switch tube 1 and the one end of inductance, the one end of the other end electric connection electric capacity 2 of inductance, the one end of resistance 2 and the one end of diode 2 and the one end of power switch tube 4, the one end and the load of the other end electric connection resistance 3 of power switch tube 2, the load includes electromagnetic chuck, the one end of resistance 3 and electromagnetic chuck's one end electric connection, electromagnetic chuck's the other end and the other end of resistance 3 and the other end electric connection of power switch tube 3, the other end of rectifier bridge's negative pole electric connection electric capacity 1, diode 1's positive pole, electric capacity 2's the other end, resistance 2's the other end and diode 2's positive pole.
Power switch tube 2 and power switch tube 3 switch-on, power switch tube 1 begins work, the inductance simultaneously, diode 1 and electric capacity 2 constitute step-down circuit power supply output, when carrying out the electromagnetic chuck blowing, power switch tube 1 disconnection, power switch tube 2 and power switch tube 3 disconnection, power switch tube 4 and power switch tube 5 switch-on, power switch tube 1 begins work, simultaneously with diode 1, inductance and electric capacity 2 constitute step-down circuit power supply reverse output, the electromagnetic chuck blowing is ended, power switch tube 1 stop work, power switch tube 4 and power switch tube 5 disconnection.
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 contactless high efficiency power saving type electromagnet power supply circuit which characterized in that: comprises an input power supply, a control cabinet circuit and a load, wherein the input power supply inputs alternating current, the control cabinet circuit comprises a circuit breaker and a rectifier bridge, the input end of the circuit breaker is electrically connected with alternating current, the output end of the circuit breaker is electrically connected with a rectifier bridge, the negative electrode of the rectifier bridge is electrically connected with one end of the power switch tube 3, the cathode of the diode 4, one end of the power switch tube 5 and the cathode of the diode 6, the other end of the power switch tube 3 is electrically connected with the anode of the diode 4 and is also connected with one end of the power switch tube 4 and the anode of the diode 5, the other end of the power switch tube 4 is electrically connected with one end of the power switch tube 2 and the cathode of the diode 3, the other end of the power switch tube 2 is electrically connected with the anode of the diode 3 and is also connected with the other end of the power switch tube 5 and the anode of the diode 6.
2. The contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current according to claim 1, characterized in that: the positive pole of rectifier bridge electric connection resistance 1's one end and the one end of contactor 1 normal open point, the other end electric connection contactor 1 normal open point's the other end, the one end of electric capacity 1 and the one end of power switch tube 1 of resistance 1.
3. The contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current according to claim 2, characterized in that: the other end of the power switch tube 1 is electrically connected with the cathode of the diode 1 and one end of the inductor, and the other end of the inductor is electrically connected with one end of the capacitor 2, one end of the resistor 2, one end of the diode 2, one end of the power switch tube 2 and one end of the power switch tube 4.
4. The contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current according to claim 3, characterized in that: the other end electric connection resistance 3's of power switch tube 2 one end and load, the load includes electromagnet, resistance 3's one end and electromagnet's one end electric connection.
5. The contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current according to claim 4, characterized in that: the other end of the electromagnetic chuck is electrically connected with the other end of the resistor 3 and the other end of the power switch tube 3.
6. The contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current according to claim 5, characterized in that: the negative pole of rectifier bridge electric connection electric capacity 1's the other end, the positive pole of diode 1, the other end of electric capacity 2, the other end of resistance 2 and the positive pole of diode 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022727146.XU CN214506571U (en) | 2020-11-23 | 2020-11-23 | Contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022727146.XU CN214506571U (en) | 2020-11-23 | 2020-11-23 | Contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214506571U true CN214506571U (en) | 2021-10-26 |
Family
ID=78206066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022727146.XU Active CN214506571U (en) | 2020-11-23 | 2020-11-23 | Contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214506571U (en) |
-
2020
- 2020-11-23 CN CN202022727146.XU patent/CN214506571U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101599705A (en) | Supply unit and arc component processing power source | |
| CN105720826A (en) | Hybrid bridge type double-voltage rectification and output parallel single-stage inverter | |
| CN214506571U (en) | Contactless high-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current | |
| CN203086226U (en) | Short-circuit motorcycle voltage regulator | |
| CN208369467U (en) | totem PFC circuit and air conditioner | |
| CN214674495U (en) | High-efficiency power-saving electromagnetic chuck power supply circuit outputting pure direct current | |
| CN101154814A (en) | Electric energy feedback type reactive-load self-compensation method and apparatus | |
| CN102693872B (en) | Alternating-current contactor controller and control method based on low-voltage capacitor | |
| CN102611088B (en) | Power-on current-limiting circuit and application circuit of power-on current-limiting circuit | |
| CN111082477A (en) | Voltage control circuit and electric control permanent magnet controller | |
| CN202633175U (en) | Voltage sagging prevention wide voltage alternating current contactor controller based on low voltage capacitance | |
| CN101854115B (en) | Time retention circuit for preventing current from back pumping and power inverter | |
| CN105743351B (en) | Switching power supply circuit and method for prolonging power-down retention time | |
| CN208015577U (en) | A kind of RCC circuit drivers | |
| CN111048055A (en) | Display and display standby power consumption control method | |
| CN213637500U (en) | High-efficiency contactless electromagnetic chuck power supply circuit without additionally arranging generator | |
| CN212061818U (en) | Display device | |
| CN105449742A (en) | Power supply polarity switching circuit and device | |
| CN112350564B (en) | Three-phase standby zero reactive power consumption control circuit in switching power supply | |
| CN111478423A (en) | Improved power supply circuit | |
| CN207909797U (en) | A kind of vacuum contactor solenoid controlled circuit | |
| CN212163161U (en) | Input power factor regulating circuit for power distribution terminal power supply | |
| CN213585578U (en) | Synchronous converter control circuit | |
| CN218071315U (en) | Power supply system for permanent magnet operating mechanism | |
| CN208174290U (en) | A kind of single-phase photovoltaic grid-connected inverter with commutation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |