CN107592045B

CN107592045B - Wiring device for switching voltage output of generator

Info

Publication number: CN107592045B
Application number: CN201711043900.4A
Authority: CN
Inventors: 金泰宇
Original assignee: Jiangsu Ruichang Gold Generating Equipment Co ltd
Current assignee: Jiangsu Ruichang Gold Generating Equipment Co ltd
Priority date: 2017-10-31
Filing date: 2017-10-31
Publication date: 2024-03-19
Anticipated expiration: 2037-10-31
Also published as: CN107592045A

Abstract

The invention discloses a wiring device for switching voltage output of a generator, which comprises a winding connection bidirectional regulating button SQ1, a winding connection bidirectional regulating button SQ2, a winding connection bidirectional regulating button SQ3, a winding connection unidirectional regulating button QF1, a winding connection unidirectional regulating button QF2 and a winding connection unidirectional regulating button QF3. According to the invention, the winding connection bidirectional regulating button SQ1, the winding connection bidirectional regulating button SQ2, the winding connection bidirectional regulating button SQ3, the winding connection unidirectional regulating button QF1, the winding connection unidirectional regulating button QF2 and the winding connection unidirectional regulating button QF3 are operated, so that the connection of the motor winding is freely converted, the switching of different voltage outputs of the generator is completed, a motor housing is not required to be opened, and the operation is simple, convenient and reliable.

Description

Wiring device for switching voltage output of generator

Technical Field

The invention relates to the field of generators, in particular to a wiring device for switching voltage output of a generator.

Background

A diesel generator set is a device for converting mechanical energy into electrical energy by driving a generator with an engine as motive power, and the device is commonly used as a standby power supply. According to the actual demands of users, the voltage output of the generator needs to be changed frequently, and the common method is realized by changing the connection of the generator winding. The traditional change generator voltage output all needs to open the motor housing, then carries out the conversion of the series connection, the parallel connection and the star-triangle connection of motor winding manually, but receives the restriction of operation space, and the manual work is bad, and the degree of difficulty is big, in addition once carelessly can miss the screw of dismantling, gasket in the motor box the inside, can cause motor winding short circuit, burns out the generator, and this kind of event often takes place, and the loss is tragic. In addition, after the generator winding connection is changed, the output voltage of the generator is changed, and the generated protection parameters such as the unit output current, voltage and the like are also changed, so that a user can use the equipment and simultaneously change the parameters in real time according to the unused use state, the generator unit is protected in real time, and automatic change cannot be realized.

Disclosure of Invention

The object of the present invention is to solve the problems mentioned in the background section above by means of a wiring arrangement for switching the voltage output of a generator.

To achieve the purpose, the invention adopts the following technical scheme:

a wiring device for switching a voltage output of a generator, the device comprising: winding connection bidirectional regulating button SQ1, winding connection bidirectional regulating button SQ2, winding connection bidirectional regulating button SQ3, winding connection unidirectional regulating button QF1, winding connection unidirectional regulating button QF2 and winding connection unidirectional regulating button QF3; the movable contact of the winding connection bidirectional regulating button SQ1 is connected with the tail end U2 of the first phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ1 is connected with the tail end U6 of the fourth phase winding, the tail end V6 of the fifth phase winding, the tail end W6 of the sixth phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ2, the first fixed contact of the winding connection bidirectional regulating button SQ3, and the second fixed contact of the winding connection bidirectional regulating button SQ1 is connected with the head end U5 of the fourth phase winding and the movable contact of the winding connection unidirectional regulating button QF 1; the movable contact of the winding connection bidirectional regulating button SQ2 is connected with the tail end V2 of the second phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ2 is connected with the tail end U6 of the fourth phase winding, the tail end V6 of the fifth phase winding, the tail end W6 of the sixth phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ1, the first fixed contact of the winding connection bidirectional regulating button SQ3, and the second fixed contact of the winding connection bidirectional regulating button SQ1 is connected with the head end V5 of the fifth phase winding and the movable contact of the winding connection unidirectional regulating button QF 2; the movable contact of the winding connection bidirectional regulating button SQ3 is connected with the tail end W2 of the third phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ3 is connected with the tail end U6 of the fourth phase winding, the tail end V6 of the fifth phase winding, the tail end W6 of the sixth phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ1, the first fixed contact of the winding connection bidirectional regulating button SQ2, and the second fixed contact of the winding connection bidirectional regulating button SQ1 is connected with the head end W5 of the sixth phase winding and the movable contact of the winding connection unidirectional regulating button QF3; the stationary contact of the winding connection unidirectional adjusting button QF1 is connected with the head end U1 of the first phase winding; the stationary contact of the winding connection unidirectional adjusting button QF2 is connected with the head end V1 of the second phase winding; the stationary contact of the winding connection unidirectional adjusting button QF3 is connected with the head end W1 of the third phase winding.

In particular, the stationary contact of the winding connection unidirectional regulating button QF1 is connected with a generator set controller; the static contact of the winding connection unidirectional adjusting button QF2 is connected with a generator set controller; and a static contact of the winding connection unidirectional adjusting button QF3 is connected with a generator set controller.

The wiring device for switching the voltage output of the generator provided by the invention has the advantages that the winding connection method bidirectional regulating button SQ1, the winding connection method bidirectional regulating button SQ2, the winding connection method bidirectional regulating button SQ3, the winding connection method unidirectional regulating button QF1, the winding connection method unidirectional regulating button QF2 and the winding connection method unidirectional regulating button QF3 are operated, the connection method of the motor winding is freely switched, the switching of different voltage outputs of the generator is completed, a motor housing is not required to be opened, and the operation is simple, convenient and reliable; meanwhile, the invention can monitor the voltage change output by the generator in real time by connecting with the generator set controller, and send out a protection parameter changing instruction after the voltage change is stabilized, and the protection parameters are changed according to the pre-stored generator set control protection parameters, so that the generator set is effectively protected, and the running stability of equipment is ensured.

Drawings

Fig. 1 is a block diagram of a wiring device for switching voltage output of a generator according to an embodiment of the present invention.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, fig. 1 is a block diagram of a wiring device for switching voltage output of a generator according to an embodiment of the present invention.

The wiring device for switching the voltage output of the generator in the embodiment specifically comprises a winding connection bidirectional adjusting button SQ1, a winding connection bidirectional adjusting button SQ2, a winding connection bidirectional adjusting button SQ3, a winding connection unidirectional adjusting button QF1, a winding connection unidirectional adjusting button QF2 and a winding connection unidirectional adjusting button QF3.

Specifically, the movable contact of the winding connection bidirectional regulating button SQ1 is connected with the tail end U2 of the first phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ1 is connected with the tail end U6 of the fourth phase winding, the tail end V6 of the fifth phase winding, the tail end W6 of the sixth phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ2, the first fixed contact of the winding connection bidirectional regulating button SQ3, the second fixed contact of the winding connection bidirectional regulating button SQ1 is connected with the head end U5 of the fourth phase winding and the movable contact of the winding connection unidirectional regulating button QF 1; the movable contact of the winding connection bidirectional regulating button SQ2 is connected with the tail end V2 of the second phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ2 is connected with the tail end U6 of the fourth phase winding, the tail end V6 of the fifth phase winding, the tail end W6 of the sixth phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ1, the first fixed contact of the winding connection bidirectional regulating button SQ3, and the second fixed contact of the winding connection bidirectional regulating button SQ1 is connected with the head end V5 of the fifth phase winding and the movable contact of the winding connection unidirectional regulating button QF 2; the movable contact of the winding connection bidirectional regulating button SQ3 is connected with the tail end W2 of the third phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ3 is connected with the tail end U6 of the fourth phase winding, the tail end V6 of the fifth phase winding, the tail end W6 of the sixth phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ1, the first fixed contact of the winding connection bidirectional regulating button SQ2, and the second fixed contact of the winding connection bidirectional regulating button SQ1 is connected with the head end W5 of the sixth phase winding and the movable contact of the winding connection unidirectional regulating button QF3; the stationary contact of the winding connection unidirectional adjusting button QF1 is connected with the head end U1 of the first phase winding; the stationary contact of the winding connection unidirectional adjusting button QF2 is connected with the head end V1 of the second phase winding; the stationary contact of the winding connection unidirectional adjusting button QF3 is connected with the head end W1 of the third phase winding.

In the embodiment, the stationary contact of the winding connection unidirectional regulating button QF1 is connected with a generator set controller; the static contact of the winding connection unidirectional adjusting button QF2 is connected with a generator set controller; and a static contact of the winding connection unidirectional adjusting button QF3 is connected with a generator set controller. In this embodiment, the generator set controller embeds the PLC device, and the voltage variation of real-time supervision generator output sends protection parameter change instruction after waiting to stabilize, and protection parameter change protection parameter is controlled according to the generator set that prestores, and the effectual generator set that protects guarantees the stability of equipment operation, makes the application of generator set broader, and the practicality is stronger.

According to the technical scheme, the winding connection method bidirectional regulating button SQ1, the winding connection method bidirectional regulating button SQ2, the winding connection method bidirectional regulating button SQ3, the winding connection method unidirectional regulating button QF1, the winding connection method unidirectional regulating button QF2 and the winding connection method unidirectional regulating button QF3 are operated, the connection method of the motor winding is freely converted, the switching of different voltage outputs of the generator is completed, the changed power range is further enlarged, the use requirements of most customers can be met, a motor housing is not required to be opened, and the operation is simple, convenient and reliable; meanwhile, the invention can monitor the voltage change output by the generator in real time by connecting with the generator set controller, and send out a protection parameter changing instruction after the voltage change is stabilized, and the protection parameters are changed according to the pre-stored generator set control protection parameters, so that the generator set is effectively protected, and the running stability of equipment is ensured.

Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.

Claims

1. The wiring device for switching the voltage output of the generator is characterized by comprising a winding connection bidirectional regulating button SQ1, a winding connection bidirectional regulating button SQ2, a winding connection bidirectional regulating button SQ3, a winding connection unidirectional regulating button QF1, a winding connection unidirectional regulating button QF2 and a winding connection unidirectional regulating button QF3; the movable contact of the winding connection bidirectional regulating button SQ1 is connected with the tail end U2 of the first phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ1 is connected with the tail end U6 of the fourth phase winding, the tail end V6 of the fifth phase winding, the tail end W6 of the sixth phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ2, the first fixed contact of the winding connection bidirectional regulating button SQ3, and the second fixed contact of the winding connection bidirectional regulating button SQ1 is connected with the head end U5 of the fourth phase winding and the movable contact of the winding connection unidirectional regulating button QF 1; the movable contact of the winding connection bidirectional regulating button SQ2 is connected with the tail end V2 of the second phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ2 is connected with the tail end U6 of the fourth phase winding, the tail end V6 of the fifth phase winding, the tail end W6 of the sixth phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ1, the first fixed contact of the winding connection bidirectional regulating button SQ3, and the second fixed contact of the winding connection bidirectional regulating button SQ1 is connected with the head end V5 of the fifth phase winding and the movable contact of the winding connection unidirectional regulating button QF 2; the movable contact of the winding connection bidirectional regulating button SQ3 is connected with the tail end W2 of the third phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ3 is connected with the tail end U6 of the fourth phase winding, the tail end V6 of the fifth phase winding, the tail end W6 of the sixth phase winding, the first fixed contact of the winding connection bidirectional regulating button SQ1, the first fixed contact of the winding connection bidirectional regulating button SQ2, and the second fixed contact of the winding connection bidirectional regulating button SQ1 is connected with the head end W5 of the sixth phase winding and the movable contact of the winding connection unidirectional regulating button QF3; the stationary contact of the winding connection unidirectional adjusting button QF1 is connected with the head end U1 of the first phase winding; the stationary contact of the winding connection unidirectional adjusting button QF2 is connected with the head end V1 of the second phase winding; the stationary contact of the winding connection unidirectional adjusting button QF3 is connected with the head end W1 of the third phase winding;

the static contact of the winding connection unidirectional adjusting button QF1 is connected with a generator set controller; the static contact of the winding connection unidirectional adjusting button QF2 is connected with a generator set controller; the static contact of the winding connection unidirectional adjusting button QF3 is connected with a generator set controller; and a PLC device is arranged in the generator set controller, the voltage change output by the generator is monitored in real time, a protection parameter changing instruction is sent out after the generator set controller is stabilized, and the protection parameters are changed according to the pre-stored generator set control protection parameters.