CN214427842U - Variable current voltage regulator - Google Patents
Variable current voltage regulator Download PDFInfo
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- CN214427842U CN214427842U CN202120943731.5U CN202120943731U CN214427842U CN 214427842 U CN214427842 U CN 214427842U CN 202120943731 U CN202120943731 U CN 202120943731U CN 214427842 U CN214427842 U CN 214427842U
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Abstract
The present application relates to a variable current voltage regulator comprising: an electric control cabinet and a voltage regulator. The electric control cabinet and the voltage regulator are both connected into the first alternating current contactor and the second alternating current contactor, when the electric control cabinet works, the electric control cabinet is connected into a 380V or 220V voltage power supply, the 380V or 220V voltage power supply starts electric equipment through the first alternating current contactor, the second alternating current contactor works after the electric equipment is started, the second alternating current contactor passes through the first power supply branch, the second power supply branch and the third power supply branch are connected into one of 710V, 760V, 830V and 930V voltage power supplies, the voltage connected into the electric equipment is increased at the moment, so that the connected current is reduced, and under the condition that the same line is under the same load, the line loss is reduced, so that the efficiency is improved.
Description
Technical Field
The application relates to the technical field of circuit loss reduction, in particular to a variable current voltage regulator.
Background
In the prior art, the power circuit for the field of the geological exploration unit is generally far away from a power supply, the circuit is long, the line loss is large, the motor cannot work well, and the technical problem of solving the problem that the power circuit for the field of the geological exploration unit is large in line loss in the prior art is solved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem of large circuit loss of a field power utilization circuit in the related art at least to a certain extent, the application provides a variable current voltage regulator.
The scheme of the application is as follows:
a variable current voltage regulator, comprising: an electric control cabinet and a voltage regulator;
the electric control cabinet is connected with a 380V or 220V voltage power supply;
the electric control cabinet comprises: a first branch, a second branch, a third branch, a fourth branch and a fifth branch which are connected in parallel with each other;
the first branch includes: the first button switch, the coil of the first alternating current contactor and the normally closed contact of the intermediate relay; the first button switch is also connected with a normally open contact of the first alternating current contactor in parallel; a coil of the first alternating current contactor, a normally closed contact of the intermediate relay and a coil of the parallel time relay;
the second branch circuit includes: a normally open contact of the time relay and a coil of the intermediate relay; the normally open contact of the time relay is also connected with the first normally open contact of the intermediate relay in parallel;
the third branch includes: a second normally open contact of the intermediate relay, a coil of the second alternating current contactor and a first normally closed contact of the first alternating current contactor;
the fourth branch includes: a second normally closed contact of the first ac contactor;
the fifth branch includes: a third normally open contact of the intermediate relay;
the voltage regulator includes: the power supply comprises a first power supply branch, a second power supply branch, a third power supply branch, a fourth power supply branch, a fifth power supply branch and a sixth power supply branch;
the first power supply branch, the second power supply branch, the third power supply branch, the fourth power supply branch, the fifth power supply branch and the sixth power supply branch comprise power switches;
the first power supply branch, the second power supply branch and the third power supply branch are connected to one gear of each gear of voltage power supplies below: 710V, 760V, 830V, and 930V;
the first power supply branch, the second power supply branch and the third power supply branch are connected with electric equipment through the second alternating current contactor;
the fourth power supply branch is connected with the first power supply branch through the first alternating current contactor;
the fifth power supply branch is connected with the second power supply branch through the first alternating current contactor;
and the sixth power supply branch is connected with the third power supply branch through the first alternating current contactor.
Preferably, in an implementable manner of the present application, the fourth branch of the electrical control cabinet further comprises: a first indicator light.
Preferably, in an implementable manner of the present application, the fifth branch of the electrical control cabinet further comprises: and a second indicator light.
Preferably, in an implementable manner of the present application, the first indicator light and the second indicator light are different in light color.
Preferably, in an implementable manner of the present application, the first terminal of the electrical control cabinet is connected to the first terminal of the power supply through a second push-button switch.
Preferably, in an implementable manner of the present application, the second terminal of the electrical control cabinet is connected to the second terminal of the power supply through a thermal relay.
Preferably, in an implementable manner of the present application, the first power supply branch, the second power supply branch and the third power supply branch are further connected to a starting current with a voltage of 36V.
Preferably, in an implementable manner of the present application, the electrical device is an electrical machine.
The technical scheme provided by the application can comprise the following beneficial effects: a converter voltage regulator of the present application, comprising: an electric control cabinet and a voltage regulator. The electric control cabinet and the voltage regulator are both connected into the first alternating current contactor and the second alternating current contactor, when the electric control cabinet works, the electric control cabinet is connected into a 380V or 220V voltage power supply, the 380V or 220V voltage power supply starts electric equipment through the first alternating current contactor, the second alternating current contactor works after the electric equipment is started, the second alternating current contactor passes through the first power supply branch, the second power supply branch and the third power supply branch are connected into one of 710V, 760V, 830V and 930V voltage power supplies, the voltage connected into the electric equipment is increased at the moment, so that the connected current is reduced, and under the condition that the same line is under the same load, the line loss is reduced, so that the efficiency is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic diagram of a variable current voltage regulator according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a circuit configuration of an electrical control cabinet portion of a variable current voltage regulator according to an embodiment of the present application;
fig. 3 is a schematic circuit diagram of a regulator portion of a variable current voltage regulator according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a circuit configuration of an electrical control cabinet portion of a variable current voltage regulator according to another embodiment of the present application;
fig. 5 is a schematic circuit diagram of a regulator portion of a variable current voltage regulator according to another embodiment of the present application.
Reference numerals: an electric control cabinet-1; a voltage regulator-2; and (4) electric equipment-3.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
A variable current voltage regulator, comprising: an electric control cabinet 1 and a voltage regulator 2;
the electric control cabinet 1 is connected with a 380V or 220V voltage power supply;
the electric control cabinet 1 includes: a first branch, a second branch, a third branch, a fourth branch and a fifth branch which are connected in parallel with each other;
the first branch includes: the first button switch, the coil of the first alternating current contactor and the normally closed contact of the intermediate relay; the first button switch is also connected in parallel with a normally open contact of the first alternating current contactor; a coil of the first alternating current contactor, a normally closed contact of the intermediate relay and a coil of the parallel time relay;
the second branch includes: a normally open contact of the time relay and a coil of the intermediate relay; the normally open contact of the time relay is also connected in parallel with the first normally open contact of the intermediate relay;
the third branch includes: a second normally open contact of the intermediate relay, a coil of the second alternating current contactor and a first normally closed contact of the first alternating current contactor;
the fourth branch includes: a second normally closed contact of the first ac contactor;
the fifth branch includes: a third normally open contact of the intermediate relay;
the voltage regulator 2 includes: the power supply comprises a first power supply branch, a second power supply branch, a third power supply branch, a fourth power supply branch, a fifth power supply branch and a sixth power supply branch;
the first power supply branch, the second power supply branch, the third power supply branch, the fourth power supply branch, the fifth power supply branch and the sixth power supply branch comprise power switches;
first power branch, second power branch, third power branch access are in each shelves among the following grade voltage power: 710V, 760V, 830V, and 930V;
the first power supply branch, the second power supply branch and the third power supply branch are connected with the electric equipment 3 through the second alternating current contactor;
the fourth power supply branch is connected with the first power supply branch through the first alternating current contactor;
the fifth power supply branch is connected with the second power supply branch through the first alternating current contactor;
the sixth power supply branch is connected with the third power supply branch through the first alternating current contactor.
Fig. 2 is a circuit diagram of the electric control cabinet 1, fig. 3 is a circuit diagram of the voltage regulator 2, and with reference to fig. 2 to 3, in the present application, the first push-button switch is denoted by SB1, the first ac contactor is denoted by KM1, the intermediate relay is denoted by KA, the time relay is denoted by KT, and the second ac contactor is denoted by KM 2. The first power supply branch, the second power supply branch, the third power supply branch, the fourth power supply branch, the fifth power supply branch and the sixth power supply branch of the voltage regulator 2 are respectively denoted by L1, L2, L3, L4, L5 and L6, and the electric equipment 3 is denoted by M. The above circuit symbols are all circuit symbols commonly used in the prior art, and are not described herein.
In this embodiment, the 710V, 760V, 830V and 930V voltage supplies connected to the first power supply branch, the second power supply branch and the third power supply branch are adjusted by the voltage regulator 2. Under the condition of no voltage reduction, the voltage consumption of the normally used equipment is one time or more than one time higher than the original voltage, so that the current consumption is reduced to half or less than half of the original current, and under the condition of the same line and load, the line loss is reduced, so that the efficiency is improved.
When the converter voltage regulator works, the electric control cabinet 1 is connected to a 380V or 220V voltage power supply, the 380V or 220V voltage power supply starts the electric equipment 3 through the first alternating current contactor, after the electric equipment 3 is started, the second alternating current contactor works, because the second alternating current contactor passes through the first power supply branch, the second power supply branch and the third power supply branch are connected to one of 710V, 760V, 830V and 930V voltage power supplies, the voltage connected to the electric equipment 3 is increased at the moment, so that the connected current is reduced, and under the condition of same line and load, the line loss is reduced to improve the efficiency.
In some embodiments, referring to fig. 4, the fourth branch of the electric control cabinet 1 further includes: a first indicator light.
In this embodiment, a first indicator light is disposed on the fourth branch of the electric control cabinet 1, and is used for indicating the operation condition of the fourth branch of the electric control cabinet 1.
In some embodiments, referring to fig. 4, the fifth branch of the electric control cabinet 1 further includes: and a second indicator light.
In this embodiment, a second indicator light is disposed on the fifth branch of the electric control cabinet 1, and is used for indicating the operation condition of the fifth branch of the electric control cabinet 1.
In some embodiments, the variable current voltage regulator, the first indicator light and the second indicator light are of different colors.
Preferably, the first indicator light may be a red light, and the second indicator light may be a green light, in this embodiment, the fourth branch and the fifth branch may be distinguished by indicator lights with different light colors.
In some embodiments, referring to fig. 4, the first terminal of the electrical control cabinet 1 is connected to the first terminal of the power supply through a second push-button switch.
In this embodiment, the second button switch may be used as a main power switch of the electric control cabinet 1 to perform on-off control on the electric control cabinet 1.
In some embodiments, referring to fig. 4, the second terminal of the electric control cabinet 1 is connected to the second terminal of the power supply through a thermal relay.
In this embodiment, the second end of the power supply is connected to the second end of the electric control cabinet 1 through the thermal relay, and the circuit of the electric control cabinet 1 is protected through the thermal relay.
In some embodiments, referring to fig. 5, the first power supply branch, the second power supply branch, and the third power supply branch further access a starting current of 36V.
In this embodiment, the first power supply branch, the second power supply branch, and the third power supply branch are further connected to a 36V starting current as a current for controlling the motor.
In some embodiments, the consumer 3 is an electric motor.
The number of the motors corresponding to the first power supply branch circuit, the second power supply branch circuit and the third power supply branch circuit can be three.
Preferably, because the motor needs to be connected with a power supply with a first gear voltage of 710V, 760V, 830V and 930V, in this embodiment, the motor adopts a Y-connection method.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (8)
1. A variable current voltage regulator, comprising: an electric control cabinet and a voltage regulator;
the electric control cabinet is connected with a 380V or 220V voltage power supply;
the electric control cabinet comprises: a first branch, a second branch, a third branch, a fourth branch and a fifth branch which are connected in parallel with each other;
the first branch includes: the first button switch, the coil of the first alternating current contactor and the normally closed contact of the intermediate relay; the first button switch is also connected with a normally open contact of the first alternating current contactor in parallel; a coil of the first alternating current contactor, a normally closed contact of the intermediate relay and a coil of the parallel time relay;
the second branch circuit includes: a normally open contact of the time relay and a coil of the intermediate relay; the normally open contact of the time relay is also connected with the first normally open contact of the intermediate relay in parallel;
the third branch includes: a second normally open contact of the intermediate relay, a coil of the second alternating current contactor and a first normally closed contact of the first alternating current contactor;
the fourth branch includes: a second normally closed contact of the first ac contactor;
the fifth branch includes: a third normally open contact of the intermediate relay;
the voltage regulator includes: the power supply comprises a first power supply branch, a second power supply branch, a third power supply branch, a fourth power supply branch, a fifth power supply branch and a sixth power supply branch;
the first power supply branch, the second power supply branch, the third power supply branch, the fourth power supply branch, the fifth power supply branch and the sixth power supply branch comprise power switches;
the first power supply branch, the second power supply branch and the third power supply branch are connected to one gear of each gear of voltage power supplies below: 710V, 760V, 830V, and 930V;
the first power supply branch, the second power supply branch and the third power supply branch are connected with electric equipment through the second alternating current contactor;
the fourth power supply branch is connected with the first power supply branch through the first alternating current contactor;
the fifth power supply branch is connected with the second power supply branch through the first alternating current contactor;
and the sixth power supply branch is connected with the third power supply branch through the first alternating current contactor.
2. The variable current voltage regulator of claim 1, wherein the fourth leg of the electrical control cabinet further comprises: a first indicator light.
3. The variable current voltage regulator of claim 2, wherein the fifth branch of the electrical control cabinet further comprises: and a second indicator light.
4. The variable current voltage regulator of claim 3, wherein said first indicator light and said second indicator light are different colors.
5. The variable current voltage regulator of claim 1, wherein the first terminal of the electrical control cabinet is coupled to the first terminal of the power source through a second push button switch.
6. The variable current voltage regulator of claim 2, wherein the second end of the electrical control cabinet is coupled to the second end of the power source through a thermal relay.
7. The variable current voltage regulator of claim 1 wherein said first, second and third power supply branches further receive a 36 volt start-up current.
8. The variable current voltage regulator of claim 1, wherein the powered device is an electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120943731.5U CN214427842U (en) | 2021-04-29 | 2021-04-29 | Variable current voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120943731.5U CN214427842U (en) | 2021-04-29 | 2021-04-29 | Variable current voltage regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214427842U true CN214427842U (en) | 2021-10-19 |
Family
ID=78076338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120943731.5U Active CN214427842U (en) | 2021-04-29 | 2021-04-29 | Variable current voltage regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214427842U (en) |
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2021
- 2021-04-29 CN CN202120943731.5U patent/CN214427842U/en active Active
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