CN213213323U - High-efficiency electromagnetic chuck power supply circuit without additionally installing generator - Google Patents
High-efficiency electromagnetic chuck power supply circuit without additionally installing generator Download PDFInfo
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- CN213213323U CN213213323U CN202021186268.6U CN202021186268U CN213213323U CN 213213323 U CN213213323 U CN 213213323U CN 202021186268 U CN202021186268 U CN 202021186268U CN 213213323 U CN213213323 U CN 213213323U
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- contactor
- electromagnetic chuck
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- 239000003990 capacitor Substances 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 238000007664 blowing Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model discloses a need not additionally install high efficiency electromagnetic chuck supply circuit of generator additional belongs to electromagnetic chuck supply circuit field. The voltage reduction circuit and the voltage boosting circuit of the inductor are used for operating in a cooperation mode, and high-efficiency wide-range voltage is output. When the electromagnetic chuck sucks materials, the contactor 2 is closed, the power switch tube 1 is conducted, the power switch tube 2 starts to work, and meanwhile, the inductor, the power switch tube 2, the diode 3, the diode 4 and the capacitor 2 form a booster circuit for power supply output; when the electromagnetic chuck discharges materials, the power switch tube 2 stops working, the power switch tube 1 is disconnected, the contactor 2 is disconnected, the contactor 3 is attracted, the power switch tube 1 starts working, and a voltage reduction circuit is formed by the power switch tube 1, the diode 2, the inductor, the diode 3 and the capacitor 2 to supply power and output reversely; and (4) stopping the work of the power switch tube 1 after the discharge of the electromagnetic chuck is finished, and disconnecting the contactor 3. The circuit does not need to be externally connected with a generator, so that the occupied space is reduced, the efficiency is improved, and the loss is reduced.
Description
Technical Field
The utility model relates to an electromagnet power supply circuit especially relates to a high efficiency electromagnet power supply circuit who need not additionally install the generator, belongs to electromagnet power supply circuit technical field.
Background
The vehicle-mounted charger is a built-in charger for supplying power to a vehicle battery.
The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirements, and the arrangement of the control cabinet meets the requirements of normal operation of a power system, is convenient to overhaul and does not endanger the safety of people and surrounding equipment. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state.
For the on-vehicle additional installation generator among the prior art, output voltage passes through diode or silicon controlled rectifier rectification and supplies power for electromagnet, and the first additional installation generator occupation space of power supply of this kind of mode improves the cost, adopts voltage to pass through diode or silicon controlled rectifier rectification to supply power for this kind of mode inefficiency ratio for electromagnet in addition among the prior art. Therefore, the high-efficiency electromagnetic chuck power supply circuit without additionally arranging a generator is designed to optimize the problems.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a need not additionally install high efficiency electromagnetic chuck supply circuit of generator, belong to electromagnetic chuck supply circuit technical field, be applicable to external electromagnetic chuck's the machine of digging, vehicle operations such as fork truck use. The voltage reduction circuit and the voltage boosting circuit of the inductor are used for operating in a cooperation mode, and high-efficiency wide-range voltage is output. When the electromagnetic chuck sucks materials, the contactor 2 is closed, the power switch tube 1 is conducted, the power switch tube 2 starts to work, and meanwhile, the inductor, the power switch tube 2, the diode 3, the diode 4 and the capacitor 2 form a booster circuit for power supply output; when the electromagnetic chuck discharges materials, the power switch tube 2 stops working, the power switch tube 1 is disconnected, the contactor 2 is disconnected, the contactor 3 is attracted, the power switch tube 1 starts working, and meanwhile, the power switch tube, the diode 2, the inductor, the diode 3 and the capacitor 2 form a voltage reduction circuit for supplying power and outputting in a reverse direction; and (4) stopping the work of the power switch tube 1 after the discharge of the electromagnetic chuck is finished, and disconnecting the contactor 3. The circuit does not need to be externally connected with a generator, so that the occupied space is reduced, the efficiency is improved, and the loss is reduced.
The purpose of the utility model can be achieved by adopting the following technical scheme:
the utility model provides a need not additionally install high efficiency electromagnetism sucking disc supply circuit of generator, includes input power, switch board and load, input power includes on-vehicle charger and on-vehicle battery, just on-vehicle charger and on-vehicle battery are parallelly connected and output power positive negative pole wire extremely the switch board, the switch board includes switch 1 and switch 2 with power positive negative pole wire electric connection, the other end electric connection diode 1's of switch 1 positive pole, the negative electric connection resistance 1's of diode 1 one end, resistance 1 has the normally open point of contactor 1 in parallel, the other end electric connection electric capacity 1 of resistance 1 and the one end of power switch pipe 1, the other end electric connection diode 2's of power switch pipe 1 negative pole and the one end of inductance, the other end electric connection switch 2's of electric capacity 1 other end and diode 2's positive pole, the other end of the inductor is electrically connected with one end of the power switch tube 2, the cathode of the diode 4 and the anode of the diode 3, the cathode of the diode 3 is electrically connected with one end of the capacitor 2 and one end of the resistor 2, one end of a group of normal-open points of the contactor 3 and one end of a group of normal-open points of the contactor 2, the other end of one group of normally-on points of the contactor 2 is electrically connected with the resistor 3 and one end of the other group of normally-on points of the contactor 3, the other end of the switch 2 is electrically connected with the other end of the power switch tube 2, the other end of the diode 4, the other end of the capacitor 2, the other end of the resistor 2, the other end of the other group of normally-on points of the contactor 3 and one end of the other group of normally-on points of the contactor 2, the other end of the other group of normally-on points of the contactor 2 is electrically connected with the other end of the normally-on point of the contactor 3 and the other end of the resistor 3, and the two ends of the resistor 3 are electrically connected with the two ends of the electromagnetic chuck through external wiring terminals.
Preferably, the input ends of the switch 1 and the switch 2 are electrically connected with a disconnecting switch or a circuit breaker, the disconnecting switch or the circuit breaker is installed in the control cabinet, and the input ends of the switch 1 and the switch 2 can share one group of disconnecting switches or circuit breakers.
Preferably, the anode of the diode 1 is electrically connected to the cathode of one end of the switch 1 and is electrically connected to the resistor 1 to form a unidirectional current flow, so as to prevent the input power from being reversely connected.
Preferably, the power switch 1, the diode 2, the inductor, the diode 3 and the capacitor 2 form a step-down circuit for outputting a voltage lower than the power supply voltage.
Preferably, the power switch tube 1, the diode 2, the inductor, the power switch tube 2, the diode 3, the diode 4 and the capacitor 2 form a boost circuit, and the boost circuit is used in the situation that the output voltage is equal to or higher than the power supply voltage.
Preferably, the contactor 2 and the contactor 3 jointly form forward and reverse voltage switching of the electromagnetic chuck.
Preferably, the capacitor 1 is electrically connected to the other end of the resistor 1 and the other end of the switch 2 to form a filtering and buffering function of the input current.
Preferably, the capacitor 2 is electrically connected to the cathode of the diode 3 and the other end of the switch 2 to form a filtering buffer function of the output current.
Preferably, two ends of the resistor 2 are connected in parallel to two ends of the capacitor 2 to form a function of charge discharging in no-load.
Preferably, the two ends of the resistor 3 are electrically connected with the electromagnetic chuck to form the effect of energy dissipation protection.
Preferably, a single IGBT or a single mos transistor is used for the power switch tube 1 and the power switch tube 2, or multiple IGBTs may be connected in parallel or in series, or multiple mos transistors may be connected in parallel or in series.
The utility model has the advantages of:
the utility model provides a pair of need not additionally install high efficiency electromagnet supply circuit of generator additional, when carrying out electromagnet and inhale the material, contactor 2 actuation, power switch tube 1 switches on, power switch tube 2 begins work, the inductance simultaneously, power switch tube 2, diode 3, diode 4, electric capacity 2 constitutes boost circuit power supply output, when carrying out the electromagnet blowing, power switch tube 2 stop work, power switch tube 1 disconnection, contactor 2 disconnection, contactor 3 actuation, power switch tube 1 begins work, simultaneously with diode 2, the inductance, diode 3, electric capacity 2 constitutes the backward output of step-down circuit power supply, the electromagnet blowing is ended, power switch tube 1 stop work, contactor 3 disconnection, need not the occupation in external reduction space of external generator through this circuit, secondly, the energy consumption has also been reduced.
Drawings
Fig. 1 is a circuit diagram of a preferred embodiment of a high-efficiency electromagnetic chuck power supply circuit without additionally installing a generator 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 high efficiency electromagnetic chuck power supply circuit without additionally installing a generator provided in this embodiment includes an input power supply, a control cabinet and a load, the input power supply includes a vehicle-mounted charger and a vehicle-mounted battery, the vehicle-mounted charger is connected in parallel with the vehicle-mounted battery and outputs a positive lead and a negative lead of the power supply to the control cabinet, the control cabinet includes a switch 1 and a switch 2 electrically connected with the positive lead and the negative lead of the power supply, the other end of the switch 1 is electrically connected with an anode of a diode 1, a cathode of the diode 1 is electrically connected with one end of a resistor 1, the resistor 1 is connected in parallel with a normally open point of a contactor 1 to form a self-lock, the other end of the resistor 1 is electrically connected with one end of a capacitor 1 and a power switch tube 1, the other end of the power switch tube 1 is electrically connected with a cathode of the diode 2 and one end of an inductor, the other end of the inductor is electrically connected with one end of the power switch tube 2, the cathode of the diode 4 and the anode of the diode 3, the cathode of the diode 3 is electrically connected with one end of the capacitor 2 and one end of the resistor 2, one end of a group of normal-open points of the contactor 3 and one end of a group of normal-open points of the contactor 2, the other end of one group of normally-on points of the contactor 2 is electrically connected with the resistor 3 and one end of the other group of normally-on points of the contactor 3, the other end of the switch 2 is electrically connected with the other end of the power switch tube 2, the other end of the diode 4, the other end of the capacitor 2, the other end of the resistor 2, the other end of the other group of normally-on points of the contactor 3 and one end of the other group of normally-on points of the contactor 2, the other end of the other group of normally-on points of the contactor 2 is electrically connected with the other end of the normally-on point of the contactor 3 and the other end of the resistor 3, and the two ends of the resistor 3 are electrically connected with the two ends of the electromagnetic chuck through external wiring terminals.
When carrying out the electromagnetic chuck and inhale the material, contactor 2 actuation, power switch tube 1 switches on, power switch tube 2 begins work, inductance simultaneously, power switch tube 2, diode 3, diode 4, electric capacity 2 constitutes boost circuit power supply output, when carrying out the electromagnetic chuck blowing, power switch tube 2 stop work, power switch tube 1 disconnection, contactor 2 disconnection, contactor 3 actuation, power switch tube 1 begins work, simultaneously with diode 2, inductance, diode 3, electric capacity 2 constitutes step-down circuit power supply reverse output, the electromagnetic chuck blowing is ended, power switch tube 1 stop work, contactor 3 disconnection, need not the occupation in external generator reduction space through this circuit, secondly, the energy consumption has also been reduced.
In this embodiment, the input terminals of the switch 1 and the switch 2 are electrically connected to a disconnector or a circuit breaker, and the disconnector or the circuit breaker is installed in the control cabinet, and the input terminals of the switch 1 and the switch 2 may share a group of disconnectors or circuit breakers.
In this embodiment, the anode of the diode 1 is electrically connected to the cathode of the switch 1 and is electrically connected to the resistor 1 to form a unidirectional current flow, so as to prevent the input power from being connected reversely.
In this embodiment, the power switch 1, the diode 2, the inductor, the diode 3, and the capacitor 2 form a step-down circuit for outputting a voltage equal to or lower than the power supply voltage.
In this embodiment, the power switch tube 1, the diode 2, the inductor, the power switch tube 2, the diode 3, the diode 4 and the capacitor 2 form a boost circuit, which is used in the situation that the output voltage is equal to or higher than the power voltage.
In this embodiment, the contactor 2 and the contactor 3 together constitute the forward and reverse voltage switching of the electromagnetic chuck.
In this embodiment, the capacitor 1 is electrically connected to the other end of the resistor 1 and the other end of the switch 2 to form a filtering buffer function of the input current.
In this embodiment, the capacitor 2 is electrically connected to the cathode of the diode 3 and the other end of the switch 2 to form a filtering buffer function of the output current.
In this embodiment, two ends of the resistor 2 are connected in parallel to two ends of the capacitor 2 to form a function of leakage protection during no-load.
In this embodiment, the two ends of the resistor 3 are electrically connected to the electromagnetic chuck to form a discharging energy dissipation protection function.
In this embodiment, the power switch tube 1 and the power switch tube 2 adopt a single IGBT or a single mos tube, or multiple IGBTs may be connected in parallel or in series, or multiple mos tubes may be connected in parallel or in series.
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 (7)
1. The utility model provides a need not install additional high efficiency electromagnetism sucking disc supply circuit of generator which characterized in that: including input power supply, switch board and load, input power supply includes on-vehicle charger and on-vehicle battery, just on-vehicle charger is parallelly connected with on-vehicle battery and output power positive negative pole wire extremely the switch board, the switch board include with power positive negative pole wire electric connection's switch 1 and switch 2, switch 1's other end electric connection diode 1's positive pole, diode 1's negative electric connection resistance 1's one end, resistance 1 connects in parallel has contactor 1's normally open point to constitute the auto-lock, resistance 1's other end electric connection electric capacity 1 and power switch tube 1's one end, power switch tube 1's other end electric connection diode 2's negative pole and the one end of inductance, electric capacity 1's other end electric connection switch 2's the other end and diode 2's positive pole, the other end electric connection power switch tube 2's of inductance one end, one end, A cathode of the diode 4 and an anode of the diode 3, wherein the cathode of the diode 3 is electrically connected with one end of the capacitor 2 and one end of the resistor 2, one end of a group of normally-on points of the contactor 3 and one end of a group of normally-on points of the contactor 2, the other end of one group of normally-on points of the contactor 2 is electrically connected with the resistor 3 and one end of the other group of normally-on points of the contactor 3, the other end of the switch 2 is electrically connected with the other end of the power switch tube 2, the other end of the diode 4, the other end of the capacitor 2, the other end of the resistor 2, the other end of the other group of normally-on points of the contactor 3 and one end of the other group of normally-on points of the contactor 2, the other end of the other group of normally-on points of the contactor 2 is electrically connected with the other end of the normally-on point of the contactor 3 and the other end of the resistor 3, and the two ends of the resistor 3 are electrically connected with the two ends of the electromagnetic chuck through external wiring terminals.
2. The power supply circuit of claim 1 for high efficiency electromagnetic chuck without additional generator, wherein: the input ends of the switch 1 and the switch 2 are electrically connected with an isolating switch or a circuit breaker, the isolating switch or the circuit breaker is installed in the control cabinet, and the input ends of the switch 1 and the switch 2 can share one group of isolating switch or circuit breaker.
3. The power supply circuit of claim 1 for high efficiency electromagnetic chuck without additional generator, wherein: the anode of the diode 1 is electrically connected with the cathode of one end of the switch 1 and is electrically connected with the resistor 1 to form unidirectional current flow so as to prevent the reverse connection of the input power supply.
4. The power supply circuit of claim 1 for high efficiency electromagnetic chuck without additional generator, wherein: and the capacitor 1 is electrically connected with the other end of the resistor 1 and the other end of the switch 2 to form a filtering and buffering effect of the input current.
5. The power supply circuit of claim 1 for high efficiency electromagnetic chuck without additional generator, wherein: and the capacitor 2 is electrically connected with the cathode of the diode 3 and the other end of the switch 2 to form a filtering buffer function of the output current.
6. The power supply circuit of claim 1 for high efficiency electromagnetic chuck without additional generator, wherein: the two ends of the resistor 3 are electrically connected with the electromagnetic chuck to form the effect of discharging energy consumption protection.
7. The power supply circuit of claim 1 for high efficiency electromagnetic chuck without additional generator, wherein: the power switch tube 1 and the power switch tube 2 adopt a single IGBT or a single mos tube, and a plurality of IGBTs can be connected in parallel or a plurality of mos tubes can be connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186268.6U CN213213323U (en) | 2020-06-23 | 2020-06-23 | High-efficiency electromagnetic chuck power supply circuit without additionally installing generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186268.6U CN213213323U (en) | 2020-06-23 | 2020-06-23 | High-efficiency electromagnetic chuck power supply circuit without additionally installing generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213213323U true CN213213323U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021186268.6U Expired - Fee Related CN213213323U (en) | 2020-06-23 | 2020-06-23 | High-efficiency electromagnetic chuck power supply circuit without additionally installing generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213213323U (en) |
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2020
- 2020-06-23 CN CN202021186268.6U patent/CN213213323U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20210514 |