CN212969073U

CN212969073U - Switch over current-voltage's switch board fast

Info

Publication number: CN212969073U
Application number: CN202021959229.5U
Authority: CN
Inventors: 曾李想
Original assignee: Guangdong Fanli Electric Power Technology Co ltd
Current assignee: Guangdong Fanli Electric Power Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-13
Anticipated expiration: 2030-09-09

Abstract

The utility model belongs to the technical field of power electrical equipment, concretely relates to switch over current-voltage's switch board fast, including current switching control module, voltage switching control module, alternating current-direct current conversion module and power module, current switching control module includes first rheostat and constant voltage source, and first rheostat is connected with constant voltage source and alternating current-direct current conversion module electricity respectively, and voltage switching control module includes second rheostat and constant current source, and second rheostat is connected with constant current source and alternating current-direct current conversion module electricity respectively, and the power module electricity is connected in alternating current-direct current conversion module. The utility model discloses can export the electric current and the voltage of multiple not equidimension, both realize the fast switch-over of electric current, also realize the fast switch-over of voltage to the power supply flexibility of switch board has been improved effectively.

Description

Switch over current-voltage's switch board fast

Technical Field

The utility model belongs to the technical field of power electrical equipment, concretely relates to switch over current-voltage's switch board fast.

Background

The power distribution cabinet is an electric power appliance device integrated with a plurality of power supply units, can provide required electric energy for daily life of people, and can meet the power consumption requirements of daily production and life of people.

However, the inventor finds that the existing power distribution cabinet cannot meet the connection requirements of various different loads, when the power supply module of the power distribution cabinet is 220V commercial power, the direct-current charging pile cannot be directly charged, the existing power distribution cabinet is poor in adjustment flexibility, single in output current and voltage and low in universality, and the power distribution cabinet cannot be used for supplying power to various different loads.

Therefore, a new type of power distribution cabinet capable of fast switching current and voltage is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: aiming at the defects of the prior art, the power distribution cabinet capable of rapidly switching current and voltage is provided, currents and voltages of different sizes can be output, rapid switching of the currents is achieved, rapid switching of the voltages is also achieved, and therefore power supply flexibility of the power distribution cabinet is effectively improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a switch board of fast switch over current-voltage, includes current switching control module, voltage switching control module, alternating current-direct current conversion module and power module, current switching control module includes first rheostat and constant voltage source, first rheostat respectively with constant voltage source with alternating current-direct current conversion module electric connection, voltage switching control module includes second rheostat and constant current source, second rheostat respectively with constant current source with alternating current-direct current conversion module electric connection, power module electricity connection in alternating current-direct current conversion module, wherein, power module can provide 220 ~ 380V's alternating current, alternating current-direct current conversion module is used for exporting the direct current, current switching control module is used for exporting required direct current, voltage switching control module is used for exporting required direct current voltage.

Furthermore, the current switching control module further comprises a first controller, a direct current collector and a current display, the first rheostat and the constant voltage source are electrically connected with the direct current collector, the direct current collector and the current display are electrically connected with the first controller, and the direct current collector and the current display can improve the controllability of current regulation.

Furthermore, the voltage switching control module further comprises a second controller, a direct current voltage collector and a voltage display, the second rheostat and the constant current source are electrically connected with the direct current voltage collector, the direct current voltage collector and the voltage display are electrically connected with the second controller, and the direct current voltage collector and the voltage display can improve the controllability of voltage regulation.

Further, the power distribution cabinet further comprises a DC-AC inversion module, the second rheostat and the constant current source are both electrically connected with the DC-AC inversion module, and the DC-AC inversion module is used for outputting alternating current.

Furthermore, the power distribution cabinet further comprises a current transformation module, wherein the current transformation module is electrically connected to the DC-AC inversion module, the current transformation module comprises a plurality of current transformers with different transformation ratios, and the plurality of current transformers with different transformation ratios are all connected with the DC-AC inversion module, so that the current transformation module can output alternating currents with different sizes to meet the connection of various loads.

Furthermore, the power distribution cabinet further comprises a voltage conversion module, wherein the voltage conversion module is electrically connected to the DC-AC inversion module, the voltage conversion module comprises a plurality of transformers with different transformation ratios, and the plurality of transformers with different transformation ratios are connected with the DC-AC inversion module, so that the voltage conversion module can output alternating voltages with different sizes to meet the connection of various loads.

Further, the switch board still includes the accumulate module, accumulate module electricity connect in the alternating current-direct current conversion module, the accumulate module is used for the electric energy of storage switch board.

Further, the current switching control module and the voltage switching control module are both electrically connected with the power storage module, and when the electric quantity of the power storage module is sufficient, the required direct current can be directly obtained through the power storage module and the current switching control module, and the required direct voltage can also be obtained through the power storage module and the voltage switching control module.

Further, the electricity storage module comprises a plurality of storage battery packs connected in parallel, and the alternating current-direct current conversion module can be provided with an AC-DC conversion circuit and a DC-DC voltage reduction circuit to convert alternating current into direct current.

Further, the switch board still includes the cabinet body, current switching control module voltage switching control module alternating current-direct current conversion module power module with the accumulate module all set up in the cabinet is internal.

The beneficial effects of the utility model reside in that: the utility model discloses a current switching control module, voltage switching control module, the alternating current-direct current conversion module, power module, wherein, power module electricity is connected in the alternating current-direct current conversion module, the alternating current-direct current conversion module is used for exporting the direct current, current switching control module includes first rheostat and constant voltage source, first rheostat respectively with constant voltage source and alternating current-direct current conversion module electric connection, first rheostat and constant voltage source can adjust and export required direct current in a flexible way, voltage switching control module includes second rheostat and constant current source, second rheostat respectively with constant current source and alternating current-direct current conversion module electric connection, required direct current voltage can be adjusted and exported in a flexible way to second rheostat and constant current source, make the switch board can export the electric current and the voltage of multiple not equidimension, thereby the power supply flexibility of.

Drawings

Fig. 1 is a schematic diagram of a framework of embodiment 1 of the present invention.

Fig. 2 is a schematic diagram of a framework of a current switching control module according to embodiment 1 of the present invention.

Fig. 3 is a schematic diagram of a frame of a voltage switching control module according to embodiment 1 of the present invention.

Fig. 4 is a schematic diagram of a framework of embodiment 2 of the present invention.

Fig. 5 is a schematic diagram of a framework of embodiment 3 of the present invention.

Wherein: 1-a current switching control module; 2-a voltage switching control module; 3, an alternating current-direct current conversion module; 4-a power supply module; 5-DC-AC inversion module; 6-a current conversion module; 7-a voltage conversion module; 8-an electricity storage module; 11-a first varistor; 12-a constant voltage source; 13-a first controller; 14-a direct current collector; 15-a current display; 21-a second varistor; 22-a constant current source; 23-a second controller; 24-a direct current voltage collector; 25-voltage display.

Detailed Description

As used in this specification and the appended claims, certain terms are used to refer to particular components, and it will be appreciated by those skilled in the art that a manufacturer may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings 1 to 5 and the specific embodiments, but the present invention is not limited thereto.

Example 1

A power distribution cabinet capable of rapidly switching current and voltage comprises a current switching control module 1, a voltage switching control module 2, an alternating current-direct current conversion module 3 and a power supply module 4, wherein a power supply circuit of the power supply module can provide alternating current of 220-380V, the power supply module 4 is electrically connected with the alternating current-direct current conversion module 3, the alternating current-direct current conversion module 3 can be provided with an alternating current-direct current conversion circuit and a direct current-direct current voltage reduction circuit to convert the alternating current into direct current, the current switching control module 1 comprises a first rheostat 11 and a constant voltage source 12, the resistance adjusting range of the first rheostat 11 is 100-50K omega, the first rheostat 11 is electrically connected with the constant voltage source 12 and the alternating current-direct current conversion module 3 respectively, when the first rheostat 11 and the constant voltage source 12 are connected in parallel, the first rheostat 11 and the constant voltage source 12 are, the voltage switching control module 2 includes a second varistor 21 and a constant current source 22, the second varistor 21 is electrically connected to the constant current source 22 and the ac/dc conversion module 3, the resistance adjustment range of the second varistor 21 is 100 Ω -50K Ω, when the second varistor 21 and the constant current source 22 are connected in series, the output voltage can be effectively adjusted by voltage division by series connection, and the constant current source 22 can be a positive feedback balanced constant current source.

As shown in fig. 2, the current switching control module 1 further includes a first controller 13, a dc current collector 14, and a current display 15, the first varistor 11 and the constant voltage source 12 are both electrically connected to the dc current collector 14, the dc current collector 14 and the current display 15 are both electrically connected to the first controller 13, the first controller 13 may adopt an MCU processor, meanwhile, after the first controller 13 controls the dc current collector 14 to collect a corresponding current signal, the dc current collector 14 sends the collected current signal to the first controller 13, the first controller 13 outputs a corresponding electrical signal to the current display 15, and the current display 15 can accurately display the current output by the first varistor 11 and the constant voltage source 12 in parallel, thereby improving the controllability of current regulation.

As shown in fig. 3, the voltage switching control module 2 further includes a second controller 23, a dc voltage collector 24 and a voltage display 25, the second varistor 21 and the constant current source 22 are both electrically connected to the dc voltage collector 24, the dc voltage collector 24 and the voltage display 25 are both electrically connected to the second controller 23, the second controller 23 may adopt an MCU processor, meanwhile, after the second controller 23 controls the dc voltage collector 24 to collect a corresponding voltage signal, the dc voltage collector 24 sends the collected voltage signal to the second controller 23, the second controller 23 outputs a corresponding electrical signal to the voltage display 25, and the voltage display 25 can accurately display the voltage output by the second varistor 21 and the constant voltage source 22 in series, thereby improving the controllability of voltage regulation.

Example 2

As shown in fig. 4, this embodiment is different from embodiment 1 in that the power distribution cabinet further includes a DC-AC inverter module 5, the second varistor 21 and the constant current source 22 are electrically connected to the DC-AC inverter module 5, and the DC-AC inverter module 5 includes a DC-DC boost circuit and a DC-AC conversion circuit, so as to convert a direct current into an alternating current.

And, the switch board still includes current transformation module 6 and voltage transformation module 7, current transformation module 6 and voltage transformation module 7 all connect in DC-AC contravariant module 5, current transformation module 6 includes the current transformer of a plurality of different transformation ratios, the current transformer of a plurality of different transformation ratios all is connected with DC-AC contravariant module 5, thereby make current transformation module 6 can output the alternating current of various not equidimensions, voltage transformation module 7 includes the transformer of a plurality of different transformation ratios, the transformer of a plurality of different transformation ratios all is connected with DC-AC contravariant module 5, thereby make voltage transformation module 7 can output the alternating current voltage of various not equidimensions.

Other structures of this embodiment are the same as those of embodiment 1, and are not described herein again.

Example 3

As shown in fig. 5, the difference between this embodiment and embodiment 2 is that the power distribution cabinet further includes an electricity storage module 8, the electricity storage module 8 is electrically connected to the ac-dc conversion module 3, the current switching control module 1 and the voltage switching control module 2 are both electrically connected to the electricity storage module 8, and the electricity storage module 8 includes a plurality of storage battery packs connected in parallel.

And the power distribution cabinet also comprises a cabinet body, and the current switching control module 1, the voltage switching control module 2, the alternating current-direct current conversion module 3, the power supply module 4, the DC-AC inversion module 5, the current conversion module 6, the voltage conversion module 7 and the power storage module 8 are arranged in the cabinet body.

Other structures of this embodiment are the same as those of embodiment 2, and are not described again here.

Obviously, the utility model discloses can export the electric current and the voltage of multiple not equidimension, satisfy the connection demand of various different loads, ensure the power supply of switch board to various different loads to the power supply flexibility of switch board has been improved effectively.

Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The utility model provides a switch over current-voltage's switch board which characterized in that fast: including current switching control module (1), voltage switching control module (2), alternating current-direct current conversion module (3) and power module (4), current switching control module (1) includes first rheostat (11) and constant voltage source (12), first rheostat (11) respectively with constant voltage source (12) with alternating current-direct current conversion module (3) electricity is connected, voltage switching control module (2) include second rheostat (21) and constant current source (22), second rheostat (21) respectively with constant current source (22) with alternating current-direct current conversion module (3) electricity is connected, power module (4) electricity is connected in alternating current-direct current conversion module (3).

2. The fast switching current and voltage switch of claim 1, further comprising: the current switching control module (1) further comprises a first controller (13), a direct current collector (14) and a current display (15), the first rheostat (11) and the constant voltage source (12) are electrically connected with the direct current collector (14), and the direct current collector (14) and the current display (15) are electrically connected with the first controller (13).

3. The fast switching current and voltage switch of claim 1, further comprising: the voltage switching control module (2) further comprises a second controller (23), a direct current voltage collector (24) and a voltage display (25), the second rheostat (21) and the constant current source (22) are electrically connected with the direct current voltage collector (24), and the direct current voltage collector (24) and the voltage display (25) are electrically connected with the second controller (23).

4. The fast switching current and voltage switch of claim 1, further comprising: the power distribution cabinet further comprises a DC-AC inversion module (5), and the second rheostat (21) and the constant current source (22) are electrically connected with the DC-AC inversion module (5).

5. The fast switching current and voltage switch of claim 4, wherein: the power distribution cabinet further comprises a current transformation module (6), and the current transformation module (6) is electrically connected to the DC-AC inversion module (5).

6. The fast switching current and voltage switch of claim 4, wherein: the power distribution cabinet further comprises a voltage conversion module (7), and the voltage conversion module (7) is electrically connected to the DC-AC inversion module (5).

7. The fast switching current and voltage switch of claim 1, further comprising: the power distribution cabinet further comprises an electricity storage module (8), and the electricity storage module (8) is electrically connected to the alternating current-direct current conversion module (3).

8. The fast switching current and voltage switch of claim 7, wherein: the current switching control module (1) and the voltage switching control module (2) are electrically connected with the electricity storage module (8).

9. The switch board of quick switching current voltage of any one of claim 7 ~ 8, characterized by: the electricity storage module (8) comprises a plurality of storage battery packs connected in parallel.

10. The switch board of quick switching current voltage of any one of claim 7 ~ 8, characterized by: the power distribution cabinet further comprises a cabinet body, wherein the current switching control module (1), the voltage switching control module (2), the alternating current-direct current conversion module (3), the power supply module (4) and the electricity storage module (8) are arranged in the cabinet body.