CN216014090U

CN216014090U - Energy-saving voltage current regulator and power supply system

Info

Publication number: CN216014090U
Application number: CN202122084499.7U
Authority: CN
Inventors: 李铭; 张汉清; 刘蓓; 杨永刚
Original assignee: Chengdu Yicheng Technology Co ltd
Current assignee: Chengdu Yicheng Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-11
Anticipated expiration: 2031-08-31

Abstract

The utility model provides an energy-saving voltage current regulator and power supply system, when the user uses, can control contactless switch, first electronic switch, second electronic switch through the data that the controller detected according to input current transformer, output current transformer to adjust voltage's size reduces regulator power loss and adjusts more conveniently.

Description

Energy-saving voltage current regulator and power supply system

Technical Field

The utility model relates to a power equipment technical field particularly, relates to an energy-saving voltage current regulator and power supply system.

Background

At present, as the living standard of people gradually rises, the utilization rate of high-power household appliances is relatively high, so that the voltage of a region far away from a platform area side is extremely unstable, a voltage regulator is installed in part of the platform area at present to improve the voltage of a user side, a carbon brush is combined with a motor in a traditional voltage regulator, and the reduction or the increase of the output voltage of the traditional voltage regulator is controlled by increasing or reducing the resistance through the rotation of the motor. However, the current method has high power loss and is inconvenient to adjust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-saving voltage current regulator and power supply system for realize reducing the regulator power loss the technological effect who adjusts more conveniently simultaneously.

In a first aspect, the utility model provides an energy-saving voltage current regulator, including a first electronic switch, a second electronic switch, a controller, an input current transformer, an output current transformer, a power port, an output port and a plurality of voltage regulating modules; the voltage regulating module comprises a transformer and a plurality of contactless switches; the first end of the first electronic switch, the positive pole of the controller and the first end of the second electronic switch are all connected with the positive pole of the power supply port; the second end of the second electronic switch and the sampling port of the controller are connected with the output port; the first end of the primary side of the transformer is connected with the second end of the first electronic switch; the second end of the primary side of the transformer and the negative electrode of the controller are both connected with the negative electrode of the power supply port; the transformer secondary side comprises a plurality of output contacts, and the output contacts corresponding to the second end of the transformer secondary side are connected with the output port; the input current transformer and the output current transformer are both connected with the controller, the input current transformer is arranged on a line between the anode of the power port and the first end of the first electronic switch, and the output current transformer is arranged on a line close to the power port; and each output contact on the secondary side of the transformer is connected with the output port through a one-to-one corresponding non-contact switch, and the control end of each non-contact switch is connected with the controller.

Further, the energy-saving voltage current regulator further comprises a first voltage dependent resistor and a second voltage dependent resistor; the first end of the first piezoresistor is connected with the anode of the power supply port; the first end of the second piezoresistor is connected with the negative electrode of the power supply port; the second end of the first piezoresistor and the second end of the second piezoresistor are both grounded.

Further, the first electronic switch and the second electronic switch are any one of a relay and a triode.

Further, the controller is a single chip microcomputer, a PLC controller or an FPGA controller.

Further, the voltage regulation module includes at least 3 output contacts.

Further, the contactless switch is an optical coupling isolator.

Further, the energy-saving voltage current regulator further comprises a wireless communication module connected with the controller.

In a second aspect, the present invention provides a power supply system, which includes the above-mentioned energy-saving voltage regulator and an electric device connected to an output port of the energy-saving voltage regulator.

The utility model discloses the beneficial effect that can realize is: the utility model provides an energy-saving voltage current regulator is when the user uses, can control contactless switch, first electronic switch, second electronic switch through the data that the controller detected according to input current transformer, output current transformer to adjust voltage's size, adjust more conveniently when reducing regulator power loss.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

Fig. 1 is a schematic view of a topology structure of an energy-saving voltage current regulator according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a power supply system according to an embodiment of the present invention.

Icon: 10-a power supply system; 100-energy-saving voltage current regulator; 110-a controller; 120-a voltage regulation module; 130-power port; 140-output port; 150-a wireless communication module; 200-electric equipment.

Detailed Description

The technical solution in the embodiment of the present invention will be described below with reference to the accompanying drawings in the embodiment of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, fig. 1 is a schematic diagram of an energy-saving voltage regulator according to an embodiment of the present invention.

In one embodiment, the present invention provides an energy-saving voltage current regulator 100, where the energy-saving voltage current regulator 100 includes a first electronic switch (KM1), a second electronic switch (KM2), a controller 110, an input current transformer (CT1), an output current transformer (CT2), a power port 130, an output port 140, and a plurality of voltage regulating modules 120; the voltage regulating module 120 includes a transformer and a plurality of contactless switches; a first end of the first electronic switch (KM1), a positive electrode of the controller 110, and a first end of the second electronic switch (KM2) are all connected to a positive electrode of the power port 130; a second terminal of the second electronic switch (KM2) and the sampling port of the controller 110 are connected to the output port 140; a first terminal of a primary side of the transformer (T1) is connected with a second terminal of the first electronic switch (KM 1); the second end of the primary side of the transformer (T1) and the negative electrode of the controller 110 are both connected with the negative electrode of the power port 130; the secondary side of the transformer (T1) comprises a plurality of output contacts, and the output contacts corresponding to the second end of the secondary side of the transformer are connected with the output port 140; an input current transformer (CT1) and an output current transformer (CT2) are both connected with the controller 110, the input current transformer (CT1) is arranged on a line between the positive pole of the power port 130 and the first end of the first electronic switch (KM1), and the output current transformer (CT2) is arranged on a line close to the power port 130; each output contact on the secondary side of the transformer (T1) is connected to the output port 140 via a one-to-one contactless switch, and the control terminal of each contactless switch is connected to the controller 110.

As shown in fig. 1, in this embodiment, the number of output contacts on the secondary side of the transformer may be 6 (a1-a6), and the number of corresponding contactless switches is also 6 (M1-M6). When the equipment connected with the output port 140 of the energy-saving voltage current regulator 100 normally works, the second electronic switch (KM2) is switched on, and the other switches are switched off; when voltage regulation is needed, the controller 110 detects the voltage waveform through the sampling port, and when the voltage passes through zero, the first electronic switch (KM1) is switched on, so that voltage difference and voltage superposition in a circuit can not be caused, switching-on inrush current does not exist, and various problems caused by the inrush current can not be caused; the power loss is reduced, the energy-saving effect is achieved, the impact on related equipment and a power grid is reduced, and the quality of electric energy is cleaned.

After the first electronic switch is switched on, the controller 110 detects the current input voltage amplitude and the current output voltage amplitude through the sampling port, then selects the non-contact switch corresponding to each output contact on the secondary side of the transformer (T1) to be switched on, and detects the voltage waveform at the same time, when the voltage passes through zero, the non-contact switch is switched on, because the voltage passes through zero, the inrush current of the switching-on is avoided, meanwhile, because the non-contact switch is adopted, the contact resistance of the non-contact switch is close to 0 ohm, the power loss caused by the contact resistance is avoided, and the power loss of the whole system caused by the equipment is reduced. And finally, the second electronic switch is switched off.

When the voltage regulation is not needed, the second electronic switch is switched on, the controller 110 detects the input current amplitude and the output current amplitude through the input current transformer (CT1) and the output current transformer (CT2), the switched-on contactless switch is switched off, the current waveform is detected before switching off, when the current passes through zero, the corresponding contactless switch is switched off, because the current passes through zero and is switched off, the current passes through zero, the inrush current of the switching off is avoided, the damage caused by various heavy currents such as arc discharge and the like is avoided, the effect of improving the quality of electric energy is achieved, meanwhile, because the contactless switch is adopted, the contact resistance of the contactless switch is close to 0 ohm, the power loss caused by the contact resistance is avoided, and the power loss of the whole system brought by the equipment is reduced through the two items. And finally, the second electronic switch is switched on to ensure normal output of the secondary side.

In one embodiment, the energy efficient voltage current regulator 100 further comprises a first varistor (MOV1) and a second varistor (MOV 2); a first terminal of a first varistor (MOV1) is connected to the positive terminal of the power port 130; a first terminal of a second varistor (MOV2) is connected to the negative terminal of the power port 130; the second terminal of the first varistor (MOV1) and the second terminal of the second varistor (MOV2) are both connected to ground. The voltage can be more stabilized by the first varistor (MOV1) and the second varistor (MOV2) being provided.

In one embodiment, the first electronic switch (KM1) and the second electronic switch (KM2) may be any one of a relay and a transistor. When the device is used specifically, a user can select the device according to actual requirements.

In one embodiment, the controller 110 is a single chip, a PLC controller 110, or an FPGA controller 110. The selection of the controller 110 may be selected according to the user's needs.

In one embodiment, to better meet the voltage regulation requirements, the voltage regulation module 120 includes at least 3 output contacts.

In one embodiment, the contactless switch may be an opto-isolator. The output voltage of the transformer can be controlled by the controller 110 through the optical coupling isolator, and the influence of interference signals can be avoided.

In one embodiment, the power saving voltage regulator 100 further comprises a wireless communication module 150 connected to the controller 110. Through the wireless communication module 150, the controller 110 can transmit the operation data of the energy-saving voltage regulator 100 to a remote terminal, and can also receive a control command transmitted by the remote terminal. Wherein, wireless communication module 150 can choose for use zigBee module, wiFi module, 4G communication module, 5G communication module etc. and the type specifically can be selected according to actual demand.

Please refer to fig. 2, fig. 2 is a schematic diagram of a power supply system according to an embodiment of the present invention.

In an implementation manner, the embodiment of the present invention further provides a power supply system 10, where the power supply system 10 includes the energy-saving voltage regulator 100 described above and a power consumption device 200 connected to the output port 140 of the energy-saving voltage regulator 100.

To sum up, the embodiment of the present invention provides an energy-saving voltage current regulator, which includes a first electronic switch, a second electronic switch, a controller, an input current transformer, an output current transformer, a power port, an output port, and a plurality of voltage regulating modules; the voltage regulating module comprises a transformer and a plurality of contactless switches; the first end of the first electronic switch, the positive electrode of the controller and the first end of the second electronic switch are connected with the positive electrode of the power supply port; the second end of the second electronic switch and the sampling port of the controller are connected with the output port; the first end of the primary side of the transformer is connected with the second end of the first electronic switch; the second end of the primary side of the transformer and the negative electrode of the controller are both connected with the negative electrode of the power supply port; the transformer secondary side comprises a plurality of output contacts, and the output contacts corresponding to the second end of the transformer secondary side are connected with the output port; the input current transformer and the output current transformer are both connected with the controller, the input current transformer is arranged on a line between the anode of the power port and the first end of the first electronic switch, and the output current transformer is arranged on a line close to the power port; each output contact of the secondary side of the transformer is connected with the output port through a one-to-one corresponding non-contact switch, and the control end of each non-contact switch is connected with the controller.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An energy-saving voltage current regulator is characterized by comprising a first electronic switch, a second electronic switch, a controller, an input current transformer, an output current transformer, a power supply port, an output port and a plurality of voltage regulating modules; the voltage regulating module comprises a transformer and a plurality of contactless switches; the first end of the first electronic switch, the positive pole of the controller and the first end of the second electronic switch are all connected with the positive pole of the power supply port; the second end of the second electronic switch and the sampling port of the controller are connected with the output port; the first end of the primary side of the transformer is connected with the second end of the first electronic switch; the second end of the primary side of the transformer and the negative electrode of the controller are both connected with the negative electrode of the power supply port; the transformer secondary side comprises a plurality of output contacts, and the output contacts corresponding to the second end of the transformer secondary side are connected with the output port; the input current transformer and the output current transformer are both connected with the controller, the input current transformer is arranged on a line between the anode of the power port and the first end of the first electronic switch, and the output current transformer is arranged on a line close to the power port; and each output contact on the secondary side of the transformer is connected with the output port through a one-to-one corresponding non-contact switch, and the control end of each non-contact switch is connected with the controller.

2. The energy efficient voltage current regulator of claim 1, further comprising a first piezo-resistor and a second piezo-resistor; the first end of the first piezoresistor is connected with the anode of the power supply port; the first end of the second piezoresistor is connected with the negative electrode of the power supply port; the second end of the first piezoresistor and the second end of the second piezoresistor are both grounded.

3. The energy-saving voltage current regulator of claim 1, wherein the first electronic switch and the second electronic switch are any one of a relay and a triode.

4. The energy efficient voltage current regulator of claim 1, wherein said controller is a single chip, a PLC controller, or a FPGA controller.

5. The energy efficient voltage current regulator of claim 1, wherein said voltage regulation module comprises at least 3 output contacts.

6. The energy efficient voltage current regulator of claim 1, wherein said contactless switch is an opto-isolator.

7. The power save voltage current regulator of claim 1, further comprising a wireless communication module connected to the controller.

8. A power supply system comprising the energy saving voltage current regulator of any one of claims 1-7 and a power consumer connected to an output port of the energy saving voltage current regulator.