CN214669173U - Remote controller for on-load tap-changer of transformer - Google Patents
Remote controller for on-load tap-changer of transformer Download PDFInfo
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- CN214669173U CN214669173U CN202120147463.6U CN202120147463U CN214669173U CN 214669173 U CN214669173 U CN 214669173U CN 202120147463 U CN202120147463 U CN 202120147463U CN 214669173 U CN214669173 U CN 214669173U
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- 238000007619 statistical method Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 6
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- 230000005611 electricity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
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Abstract
The utility model discloses a transformer on-load tap-changer remote controller, which comprises an on-load tap-changer body, a display screen, a programmable logic controller, a plurality of relays and a pair of signal receiving and sending modules; the display screen sends an operation instruction to the programmable logic controller; the programmable logic controller controls the on-off of the relay; the relay transmits a gear shifting signal to the first signal receiving and transmitting module through the opening and closing operation; the first signal transceiver module is wirelessly connected with the second signal transceiver module through a ZigBee protocol; the second signal transceiving module is connected with a secondary terminal of the on-load tap-changer body for controlling gear shifting, and gear shifting operation of the on-load tap-changer is achieved. The controller carries out statistical analysis on the type of a secondary terminal of a control gear of an on-load tap-changer of the existing power transformer, ensures that a wiring terminal of a signal receiving and transmitting part can meet the requirement of butt joint, can replace the traditional mode of manually adjusting the on-load tap-changer on site, and realizes the remote gear shifting work of the transformer.
Description
Technical Field
The utility model relates to an electricity field, concretely relates to transformer on-load tap-changer remote controller.
Background
The 10kV-500kV power transmission and transformation equipment test specification Q/GDW 11447-2015 provides that the power transformer needs to be regularly subjected to routine and handover tests, and the gear of the on-load tap-changer needs to be frequently adjusted in the test process to obtain test data. The prior art scheme has the following disadvantages:
1) during the test, at least one person is needed to operate the test tester and one person is needed to monitor, and one person frequently shifts gears at the on-load tap-changer, so that the mode consumes a large amount of labor and has low working efficiency.
2) The transformer on-load tap changer is manually adjusted on site, the information transmission mode is that a tester operating the testing instrument and a person adjusting the tap changer mutually sing, and the information transmission is difficult because the work content is single repeatedly, the time is long, the environment is noisy, the problems of information transmission errors, erroneous judgment of the test result and the like frequently occur.
Disclosure of Invention
The utility model discloses a transformer on-load tap-changer remote controller, this controller carry out statistical analysis to the secondary terminal type of current power transformer on-load tap-changer control gear, ensure that signal receiving and dispatching part binding post can realize the butt joint requirement, can replace the artifical mode of adjusting on-load tap-changer in situ of tradition, realize the long-range work of transferring gears of transformer.
The remote controller for the on-load tap-changer of the transformer comprises an on-load tap-changer body, a display screen, a programmable logic controller, a plurality of relays and a pair of signal transceiving modules; the display screen is electrically connected with the programmable logic controller and sends an operation instruction to the programmable logic controller; the programmable logic controller is electrically connected with the relay to control the on-off of the relay; the relay is electrically connected with the first signal transceiver module and transmits a gear shifting signal to the first signal transceiver module through the on-off operation; the first signal transceiver module is wirelessly connected with the second signal transceiver module through a ZigBee protocol; the second signal transceiving module is connected with a secondary terminal of the on-load tap-changer body for controlling gear shifting, and gear shifting operation of the on-load tap-changer is achieved.
Preferably, a plurality of gear buttons are arranged on the display screen interface.
Preferably, a plurality of control buttons are arranged on the display screen interface.
The utility model has the advantages that:
the utility model discloses can realize power transformer on-load tap-changer's remote automatically regulated replaces the artifical mode of adjusting on the spot of tradition, makes it can be at apart from the voltage ware arbitrary experimental place within 10 meters on-load tap-changer, realizes work such as the shelves, the downshifting of transformer on-load tap-changer. Therefore, the problem that information transmission between a regulator and a tester is difficult when the on-load tap-changer is manually regulated in the transformer test process is solved; one operator is reduced, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
in the figure: the on-load tap-changer comprises an on-load tap-changer body 1, a display screen 2, a programmable logic controller 3, 4 relays, a first signal receiving and transmitting module 5 and a second signal receiving and transmitting module 6.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it should be understood that the terms "inside", "outside", "left" and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The utility model discloses a transformer on-load tap-changer remote controller as shown in figure 1, which comprises an on-load tap-changer body 1, a display screen 2, a programmable logic controller 3, four relays 4 and a pair of signal receiving and transmitting modules; the display screen 2 is a touch man-machine interaction interface, information of an intermediate gear, a rated gear, a highest gear and a current gear is displayed on the interface, and operation buttons of up-shifting, down-shifting, resetting, stopping, highest gear, lowest gear, rated gear and emergency stop are arranged on the interface. The display screen is electrically connected with the PLC. During the use, the operation personnel can assign operation instruction to programmable logic controller 3 through display screen 2, programmable logic controller 3 is connected with relay 4 electricity, programmable logic controller 3 can control the deciliter of relay 4, relay 4 is connected with signal transceiver module 5 electricity, relay 4 transmits the signal of shifting gears to signal transceiver module 5 through deciliter operation, signal transceiver module 5 passes through zigBee agreement and signal transceiver module 6 wireless connection, signal transceiver module 5 transmits the signal of telecommunication to signal transceiver module 6, signal transceiver module 6 is connected with the secondary terminal that on-load tap-changer 1 control was shifted gears, realize on-load tap-changer's the operation of shifting gears. In addition, the signal transceiver module 6 is also connected with a secondary terminal of the on-load tap-changer 1 for displaying the current gear information, converts the current gear information into an electric signal, transmits the electric signal to the signal transceiver module 5, the signal transceiver module 5 is electrically connected with the programmable logic controller 3, the signal transceiver module 5 transmits the current gear information to the programmable logic controller 3, and the programmable logic controller 3 transmits the current gear information to the display screen 2 after processing and displays the current gear information on the display screen 2.
The operation method of the controller is as follows:
1) and connecting the signal receiving and transmitting part with a related secondary terminal of the on-load tap-changer of the transformer.
2) And switching on a power supply, turning on the main machine and inputting the initial gear of the on-load tap-changer.
4) And clicking up-shifting, down-shifting and other buttons on the display screen of the host computer to finish the gear shifting operation according to the test requirement.
After the remote controller is used, an instrument operator can automatically adjust the gear of the on-load tap-changer, so that the problem of difficulty in information transmission in the prior art is solved. One on-load tap-changer gear adjusting person is reduced in the operation process, so that the number of testers is reduced from 3 to 2, and the working efficiency is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. The remote controller for the on-load tap-changer of the transformer is characterized by comprising an on-load tap-changer body, a display screen, a programmable logic controller, a plurality of relays and a pair of signal transceiving modules; the display screen is electrically connected with the programmable logic controller and sends an operation instruction to the programmable logic controller; the programmable logic controller is electrically connected with the relay to control the on-off of the relay; the relay is electrically connected with the first signal transceiver module and transmits a gear shifting signal to the first signal transceiver module through the on-off operation; the first signal transceiver module is wirelessly connected with the second signal transceiver module through a ZigBee protocol; the second signal transceiving module is connected with a secondary terminal of the on-load tap-changer body for controlling gear shifting, and gear shifting operation of the on-load tap-changer is achieved.
2. The transformer on-load tap changer remote control of claim 1, wherein a plurality of gear buttons are provided on the display screen interface.
3. The transformer on-load tap changer remote control of claim 1, wherein a plurality of control buttons are provided on the display screen interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120147463.6U CN214669173U (en) | 2021-01-20 | 2021-01-20 | Remote controller for on-load tap-changer of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120147463.6U CN214669173U (en) | 2021-01-20 | 2021-01-20 | Remote controller for on-load tap-changer of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214669173U true CN214669173U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120147463.6U Active CN214669173U (en) | 2021-01-20 | 2021-01-20 | Remote controller for on-load tap-changer of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214669173U (en) |
-
2021
- 2021-01-20 CN CN202120147463.6U patent/CN214669173U/en active Active
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