CN110609228A - Fault detection and calibration device for on-load tap changer of power transformer - Google Patents
Fault detection and calibration device for on-load tap changer of power transformer Download PDFInfo
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- CN110609228A CN110609228A CN201910874976.4A CN201910874976A CN110609228A CN 110609228 A CN110609228 A CN 110609228A CN 201910874976 A CN201910874976 A CN 201910874976A CN 110609228 A CN110609228 A CN 110609228A
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- integrated circuit
- control integrated
- operation panel
- tap changer
- load tap
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/025—General constructional details concerning dedicated user interfaces, e.g. GUI, or dedicated keyboards
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Power Engineering (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a fault detection and calibration device for an on-load tap changer of a power transformer, and relates to the technical field of power detection equipment; the control integrated circuit is electrically connected with the display, and the control integrated circuit is connected with the wiring terminal on the operation panel through a cable terminal; the power transformer detection device has the advantages that the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like are combined together, and the detection efficiency and accuracy of the power transformer are improved.
Description
Technical Field
The invention relates to the technical field of power detection equipment, in particular to a fault detection and calibration device for an on-load tap changer of a power transformer.
Background
At present, in the maintenance work of a power transformer, the on-load tap changer loop fault detection and verification are always the work with higher technical difficulty and complicated detection process, generally three or more persons are needed to be matched with a main transformer body in a main control room, instruments such as a universal meter are used for core detection in a secondary cable and the on-load tap changer body, an aviation plug with higher integration level is used for the secondary cable used by the on-load tap changer, great inconvenience is brought to the core detection and the defect detection work, the defect detection is easy to miss due to manual operation errors, and the detection process consumes more than three hours. The original maintenance operation mode is complex, a loop needs to be checked in a multi-end and smaller area, and the defects exist in the aspects of accuracy and timeliness.
Problems with the prior art and considerations:
how to solve the technical problem of improving the detection efficiency and accuracy of the power transformer.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a power transformer on-load tap changer fault detection and calibration device, which is characterized in that the detection efficiency and accuracy of a power transformer are improved by combining a box body, an operation panel, a control integrated circuit, an on-load tap changer control loop, a voltage regulation control integrated circuit, a wiring terminal, a display and the like.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the intelligent voltage regulation switch comprises a box body, an operation panel arranged on the upper surface of the box body, a control integrated circuit, an on-load voltage regulation switch control loop, a voltage regulation control integrated circuit, a wiring terminal and a display, wherein the control integrated circuit, the on-load voltage regulation switch control loop and the voltage regulation control integrated circuit are arranged in the box body and are electrically connected with each other, the wiring terminal and the display are arranged on the operation panel, the control integrated circuit is electrically connected with the display, and the control integrated circuit.
The further technical scheme is as follows: the gear simulation knob is arranged on the operation panel and electrically connected with the voltage regulation control integrated circuit.
The further technical scheme is as follows: the wiring terminal comprises a controller terminal and a switch terminal which are arranged on the operation panel and electrically connected with the control integrated circuit.
The further technical scheme is as follows: the power supply interface and the power switch are connected in series on power lines of the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit and the display and are in power supply connection.
The further technical scheme is as follows: the ground terminal is connected with the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit and the ground wire of the display.
The further technical scheme is as follows: the control circuit also comprises a series switch which is arranged on the operation panel and is connected with the control integrated circuit.
The further technical scheme is as follows: the head-splitting lifting indicator lamp is arranged on the operation panel and connected with the control integrated circuit.
The further technical scheme is as follows: the cable connector is arranged on the operation panel and connected with the switch of the control integrated circuit.
The further technical scheme is as follows: the control device also comprises a cable connector which is arranged on the operation panel and connected with the control integrated circuit and is connected with the controller.
The further technical scheme is as follows: the display is a touch liquid crystal display.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the intelligent voltage regulation switch comprises a box body, an operation panel arranged on the upper surface of the box body, a control integrated circuit, an on-load voltage regulation switch control loop, a voltage regulation control integrated circuit, a wiring terminal and a display, wherein the control integrated circuit, the on-load voltage regulation switch control loop and the voltage regulation control integrated circuit are arranged in the box body and are electrically connected with each other, the wiring terminal and the display are arranged on the operation panel, the control integrated circuit is electrically connected with the display, and the control integrated circuit is connected with. According to the technical scheme, the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like are combined together, so that the detection efficiency and accuracy of the power transformer are improved.
And secondly, the gear simulation knob is arranged on the operation panel and electrically connected with the voltage regulation control integrated circuit. This technical scheme, it is more convenient to adjust the use, and the structure is more reasonable.
And thirdly, the wiring terminal comprises a controller terminal and a switch terminal which are arranged on the operation panel and electrically connected with the control integrated circuit. This technical scheme, it is more convenient to detect the use, and the structure is more reasonable.
And fourthly, the power supply device also comprises a power supply interface and a power supply switch which are arranged on the operation panel, wherein the power supply interface and the power supply switch are connected in series on power supply lines of the control integrated circuit, the on-load tap changer control circuit, the voltage regulation control integrated circuit and the display and are connected in a power supply mode. This technical scheme makes things convenient for the power wiring, and it is more convenient to detect and use, and the structure is more reasonable.
And fifthly, the intelligent control system further comprises a grounding terminal arranged on the operation panel, and the grounding terminal is connected with the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit and the ground wire of the display. The technical scheme has the advantages of safe grounding, good safety and more reasonable structure.
And sixthly, the control circuit also comprises a serial switch which is arranged on the operation panel and is connected with the control integrated circuit. This technical scheme, it is more convenient to detect the use, and the structure is more reasonable.
Seventhly, the intelligent control system also comprises a split lifting indicator light which is arranged on the operation panel and connected with the control integrated circuit. This technical scheme, the suggestion effect detects and uses more conveniently, and the structure is more reasonable.
And eighth, the device also comprises a cable connector which is arranged on the operation panel and is connected with the switch of the control integrated circuit. This technical scheme, it is more convenient to detect the use, and the structure is more reasonable.
Ninth, the electric cable connector is arranged on the operation panel and connected with the control integrated circuit and the controller. This technical scheme, it is more convenient to detect the use, and the structure is more reasonable.
Tenth, the display is a touch-sensitive liquid crystal display. The technical scheme is more energy-saving and environment-friendly for the liquid crystal display.
See detailed description of the preferred embodiments.
Drawings
FIG. 1 is an operating panel diagram of the present invention;
FIG. 2 is an effect diagram of the operation panel of the present invention;
fig. 3 is a functional block diagram of the present invention.
Wherein: the device comprises a power interface 1, a power switch 2, a 5-liter indicator light, a 6-fall indicator light, a cable connector of a 7-connection switch, a cable connector of a 8-connection controller, a 9-ground terminal, a 10-switch terminal, a 11-controller terminal, a 12-gear simulation knob and a 13 display.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
Example 1:
as shown in fig. 1, the invention discloses a power transformer on-load tap changer fault detection and calibration device, which comprises a box body, an operation panel fixedly installed on the upper surface of the box body, a control integrated circuit, an on-load tap changer control loop and a voltage regulation control integrated circuit, which are fixedly installed in the box body and are electrically connected with each other, and a wiring terminal and a display 13 which are fixedly installed on the operation panel, wherein the control integrated circuit is electrically connected with the display 13, and is connected with the wiring terminal on the operation panel through a cable terminal.
The control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the connection technology thereof are not described in detail herein for the prior art. The technical contribution lies in the combination invention, and the detection efficiency and accuracy of the power transformer are improved by combining the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like.
Example 2:
as shown in fig. 1, the invention discloses a power transformer on-load tap changer fault detection and calibration device, which comprises a box body, an operation panel fixedly installed on the upper surface of the box body, a control integrated circuit, an on-load tap changer control loop and a voltage regulation control integrated circuit, which are fixedly installed in the box body and are electrically connected with each other, and a wiring terminal and a display 13 which are fixedly installed on the operation panel, wherein the control integrated circuit is electrically connected with the display 13, and is connected with the wiring terminal on the operation panel through a cable terminal.
And the gear simulation knob 12 is fixed on the operation panel and is electrically connected with the voltage regulation control integrated circuit.
The control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the connection technology thereof are not described in detail herein for the prior art. The technical contribution lies in the combination invention, and the detection efficiency and accuracy of the power transformer are improved by combining the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like.
The gear simulation knob 12 is more convenient to adjust and use and more reasonable in structure.
Example 3:
as shown in fig. 1, the invention discloses a power transformer on-load tap changer fault detection and calibration device, which comprises a box body, an operation panel fixedly installed on the upper surface of the box body, a control integrated circuit, an on-load tap changer control loop and a voltage regulation control integrated circuit, which are fixedly installed in the box body and are electrically connected with each other, and a wiring terminal and a display 13 which are fixedly installed on the operation panel, wherein the control integrated circuit is electrically connected with the display 13, and is connected with the wiring terminal on the operation panel through a cable terminal.
And the gear simulation knob 12 is fixed on the operation panel and is electrically connected with the voltage regulation control integrated circuit.
The connection terminal comprises a controller terminal 11 and a switch terminal 10 which are fixed on the operation panel and electrically connected with the control integrated circuit.
The control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the connection technology thereof are not described in detail herein for the prior art. The technical contribution lies in the combination invention, and the detection efficiency and accuracy of the power transformer are improved by combining the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like.
The gear simulation knob 12 is more convenient to adjust and use and more reasonable in structure.
Controller terminal 11 and switch terminal 10, it is more convenient to detect the use, and the structure is more reasonable.
Example 4:
as shown in fig. 1, the invention discloses a power transformer on-load tap changer fault detection and calibration device, which comprises a box body, an operation panel fixedly installed on the upper surface of the box body, a control integrated circuit, an on-load tap changer control loop and a voltage regulation control integrated circuit, which are fixedly installed in the box body and are electrically connected with each other, and a wiring terminal and a display 13 which are fixedly installed on the operation panel, wherein the control integrated circuit is electrically connected with the display 13, and is connected with the wiring terminal on the operation panel through a cable terminal.
And the gear simulation knob 12 is fixed on the operation panel and is electrically connected with the voltage regulation control integrated circuit.
The connection terminal comprises a controller terminal 11 and a switch terminal 10 which are fixed on the operation panel and electrically connected with the control integrated circuit.
The power supply system is characterized by further comprising a power supply interface 1 and a power supply switch 2 which are fixed on the operation panel, wherein the power supply interface 1 and the power supply switch 2 are connected in series on power supply lines of the control integrated circuit, the on-load tap changer control circuit, the voltage regulation control integrated circuit and the display and are in power supply connection.
The control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the connection technology thereof are not described in detail herein for the prior art. The technical contribution lies in the combination invention, and the detection efficiency and accuracy of the power transformer are improved by combining the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like.
The gear simulation knob 12 is more convenient to adjust and use and more reasonable in structure.
Controller terminal 11 and switch terminal 10, it is more convenient to detect the use, and the structure is more reasonable.
Power source 1 and switch 2 make things convenient for the power wiring, it is more convenient to detect and use, and the structure is more reasonable.
Example 5:
as shown in fig. 1, the invention discloses a power transformer on-load tap changer fault detection and calibration device, which comprises a box body, an operation panel fixedly installed on the upper surface of the box body, a control integrated circuit, an on-load tap changer control loop and a voltage regulation control integrated circuit, which are fixedly installed in the box body and are electrically connected with each other, and a wiring terminal and a display 13 which are fixedly installed on the operation panel, wherein the control integrated circuit is electrically connected with the display 13, and is connected with the wiring terminal on the operation panel through a cable terminal.
And the gear simulation knob 12 is fixed on the operation panel and is electrically connected with the voltage regulation control integrated circuit.
The connection terminal comprises a controller terminal 11 and a switch terminal 10 which are fixed on the operation panel and electrically connected with the control integrated circuit.
The power supply system is characterized by further comprising a power supply interface 1 and a power supply switch 2 which are fixed on the operation panel, wherein the power supply interface 1 and the power supply switch 2 are connected in series on power supply lines of the control integrated circuit, the on-load tap changer control circuit, the voltage regulation control integrated circuit and the display and are in power supply connection.
The ground terminal 9 is connected with the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit and the ground wire of the display.
The control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the connection technology thereof are not described in detail herein for the prior art. The technical contribution lies in the combination invention, and the detection efficiency and accuracy of the power transformer are improved by combining the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like.
The gear simulation knob 12 is more convenient to adjust and use and more reasonable in structure.
Controller terminal 11 and switch terminal 10, it is more convenient to detect the use, and the structure is more reasonable.
Power source 1 and switch 2 make things convenient for the power wiring, it is more convenient to detect and use, and the structure is more reasonable.
The grounding terminal 9 is grounded safely, has good safety and is more reasonable in structure.
Example 6:
as shown in fig. 1, the invention discloses a power transformer on-load tap changer fault detection and calibration device, which comprises a box body, an operation panel fixedly installed on the upper surface of the box body, a control integrated circuit, an on-load tap changer control loop and a voltage regulation control integrated circuit, which are fixedly installed in the box body and are electrically connected with each other, and a wiring terminal and a display 13 which are fixedly installed on the operation panel, wherein the control integrated circuit is electrically connected with the display 13, and is connected with the wiring terminal on the operation panel through a cable terminal.
And the gear simulation knob 12 is fixed on the operation panel and is electrically connected with the voltage regulation control integrated circuit.
The connection terminal comprises a controller terminal 11 and a switch terminal 10 which are fixed on the operation panel and electrically connected with the control integrated circuit.
The power supply system is characterized by further comprising a power supply interface 1 and a power supply switch 2 which are fixed on the operation panel, wherein the power supply interface 1 and the power supply switch 2 are connected in series on power supply lines of the control integrated circuit, the on-load tap changer control circuit, the voltage regulation control integrated circuit and the display and are in power supply connection.
The ground terminal 9 is connected with the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit and the ground wire of the display.
And the serial switch is fixed on the operation panel and connected with the control integrated circuit.
The control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the connection technology thereof are not described in detail herein for the prior art. The technical contribution lies in the combination invention, and the detection efficiency and accuracy of the power transformer are improved by combining the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like.
The gear simulation knob 12 is more convenient to adjust and use and more reasonable in structure.
Controller terminal 11 and switch terminal 10, it is more convenient to detect the use, and the structure is more reasonable.
Power source 1 and switch 2 make things convenient for the power wiring, it is more convenient to detect and use, and the structure is more reasonable.
The grounding terminal 9 is grounded safely, has good safety and is more reasonable in structure.
The switch is connected in series, so that the detection and the use are more convenient, and the structure is more reasonable.
Example 7:
as shown in fig. 1, the invention discloses a power transformer on-load tap changer fault detection and calibration device, which comprises a box body, an operation panel fixedly installed on the upper surface of the box body, a control integrated circuit, an on-load tap changer control loop and a voltage regulation control integrated circuit, which are fixedly installed in the box body and are electrically connected with each other, and a wiring terminal and a display 13 which are fixedly installed on the operation panel, wherein the control integrated circuit is electrically connected with the display 13, and is connected with the wiring terminal on the operation panel through a cable terminal.
And the gear simulation knob 12 is fixed on the operation panel and is electrically connected with the voltage regulation control integrated circuit.
The connection terminal comprises a controller terminal 11 and a switch terminal 10 which are fixed on the operation panel and electrically connected with the control integrated circuit.
The power supply system is characterized by further comprising a power supply interface 1 and a power supply switch 2 which are fixed on the operation panel, wherein the power supply interface 1 and the power supply switch 2 are connected in series on power supply lines of the control integrated circuit, the on-load tap changer control circuit, the voltage regulation control integrated circuit and the display and are in power supply connection.
The ground terminal 9 is connected with the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit and the ground wire of the display.
And the serial switch is fixed on the operation panel and connected with the control integrated circuit.
The head-splitting lifting indicator lamp is fixed on the operation panel and connected with the control integrated circuit. The split lifting indicator lamp consists of a lifting indicator lamp 5 and a lowering indicator lamp 6.
The control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the connection technology thereof are not described in detail herein for the prior art. The technical contribution lies in the combination invention, and the detection efficiency and accuracy of the power transformer are improved by combining the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like.
The gear simulation knob 12 is more convenient to adjust and use and more reasonable in structure.
Controller terminal 11 and switch terminal 10, it is more convenient to detect the use, and the structure is more reasonable.
Power source 1 and switch 2 make things convenient for the power wiring, it is more convenient to detect and use, and the structure is more reasonable.
The grounding terminal 9 is grounded safely, has good safety and is more reasonable in structure.
The switch is connected in series, so that the detection and the use are more convenient, and the structure is more reasonable.
The lifting indicator lamp 5 and the lowering indicator lamp 6 have the advantages of prompting effect, more convenient detection and use and more reasonable structure.
Example 8:
as shown in fig. 1, the invention discloses a power transformer on-load tap changer fault detection and calibration device, which comprises a box body, an operation panel fixedly installed on the upper surface of the box body, a control integrated circuit, an on-load tap changer control loop and a voltage regulation control integrated circuit, which are fixedly installed in the box body and are electrically connected with each other, and a wiring terminal and a display 13 which are fixedly installed on the operation panel, wherein the control integrated circuit is electrically connected with the display 13, and is connected with the wiring terminal on the operation panel through a cable terminal.
And the gear simulation knob 12 is fixed on the operation panel and is electrically connected with the voltage regulation control integrated circuit.
The connection terminal comprises a controller terminal 11 and a switch terminal 10 which are fixed on the operation panel and electrically connected with the control integrated circuit.
The power supply system is characterized by further comprising a power supply interface 1 and a power supply switch 2 which are fixed on the operation panel, wherein the power supply interface 1 and the power supply switch 2 are connected in series on power supply lines of the control integrated circuit, the on-load tap changer control circuit, the voltage regulation control integrated circuit and the display and are in power supply connection.
The ground terminal 9 is connected with the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit and the ground wire of the display.
And the serial switch is fixed on the operation panel and connected with the control integrated circuit.
The head-splitting lifting indicator lamp is fixed on the operation panel and connected with the control integrated circuit. The split lifting indicator lamp consists of a lifting indicator lamp 5 and a lowering indicator lamp 6.
And a cable connector 7 of a connecting switch connected with the control integrated circuit and fixed on the operation panel.
The control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the connection technology thereof are not described in detail herein for the prior art. The technical contribution lies in the combination invention, and the detection efficiency and accuracy of the power transformer are improved by combining the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like.
The gear simulation knob 12 is more convenient to adjust and use and more reasonable in structure.
Controller terminal 11 and switch terminal 10, it is more convenient to detect the use, and the structure is more reasonable.
Power source 1 and switch 2 make things convenient for the power wiring, it is more convenient to detect and use, and the structure is more reasonable.
The grounding terminal 9 is grounded safely, has good safety and is more reasonable in structure.
The switch is connected in series, so that the detection and the use are more convenient, and the structure is more reasonable.
The lifting indicator lamp 5 and the lowering indicator lamp 6 have the advantages of prompting effect, more convenient detection and use and more reasonable structure.
The cable joint 7 of the switch is connected, so that the detection and the use are more convenient, and the structure is more reasonable.
Example 9:
as shown in fig. 1, the invention discloses a power transformer on-load tap changer fault detection and calibration device, which comprises a box body, an operation panel fixedly installed on the upper surface of the box body, a control integrated circuit, an on-load tap changer control loop and a voltage regulation control integrated circuit, which are fixedly installed in the box body and are electrically connected with each other, and a wiring terminal and a display 13 which are fixedly installed on the operation panel, wherein the control integrated circuit is electrically connected with the display 13, and is connected with the wiring terminal on the operation panel through a cable terminal.
And the gear simulation knob 12 is fixed on the operation panel and is electrically connected with the voltage regulation control integrated circuit.
The connection terminal comprises a controller terminal 11 and a switch terminal 10 which are fixed on the operation panel and electrically connected with the control integrated circuit.
The power supply system is characterized by further comprising a power supply interface 1 and a power supply switch 2 which are fixed on the operation panel, wherein the power supply interface 1 and the power supply switch 2 are connected in series on power supply lines of the control integrated circuit, the on-load tap changer control circuit, the voltage regulation control integrated circuit and the display and are in power supply connection.
The ground terminal 9 is connected with the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit and the ground wire of the display.
And the serial switch is fixed on the operation panel and connected with the control integrated circuit.
The head-splitting lifting indicator lamp is fixed on the operation panel and connected with the control integrated circuit. The split lifting indicator lamp consists of a lifting indicator lamp 5 and a lowering indicator lamp 6.
And a cable connector 7 of a connecting switch connected with the control integrated circuit and fixed on the operation panel.
And a cable connector 8 which is fixed on the operation panel and connected with the control integrated circuit and is connected with the controller.
The control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the connection technology thereof are not described in detail herein for the prior art. The technical contribution lies in the combination invention, and the detection efficiency and accuracy of the power transformer are improved by combining the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like.
The gear simulation knob 12 is more convenient to adjust and use and more reasonable in structure.
Controller terminal 11 and switch terminal 10, it is more convenient to detect the use, and the structure is more reasonable.
Power source 1 and switch 2 make things convenient for the power wiring, it is more convenient to detect and use, and the structure is more reasonable.
The grounding terminal 9 is grounded safely, has good safety and is more reasonable in structure.
The switch is connected in series, so that the detection and the use are more convenient, and the structure is more reasonable.
The lifting indicator lamp 5 and the lowering indicator lamp 6 have the advantages of prompting effect, more convenient detection and use and more reasonable structure.
The cable joint 7 of the switch is connected, so that the detection and the use are more convenient, and the structure is more reasonable.
Connect the cable joint 8 of controller, it is more convenient to detect the use, and the structure is more reasonable.
Example 10:
as shown in fig. 1, the invention discloses a power transformer on-load tap changer fault detection and calibration device, which comprises a box body, an operation panel fixedly installed on the upper surface of the box body, a control integrated circuit, an on-load tap changer control loop and a voltage regulation control integrated circuit, which are fixedly installed in the box body and are electrically connected with each other, and a wiring terminal and a display 13 which are fixedly installed on the operation panel, wherein the control integrated circuit is electrically connected with the display 13, and is connected with the wiring terminal on the operation panel through a cable terminal.
And the gear simulation knob 12 is fixed on the operation panel and is electrically connected with the voltage regulation control integrated circuit.
The connection terminal comprises a controller terminal 11 and a switch terminal 10 which are fixed on the operation panel and electrically connected with the control integrated circuit.
The power supply system is characterized by further comprising a power supply interface 1 and a power supply switch 2 which are fixed on the operation panel, wherein the power supply interface 1 and the power supply switch 2 are connected in series on power supply lines of the control integrated circuit, the on-load tap changer control circuit, the voltage regulation control integrated circuit and the display and are in power supply connection.
The ground terminal 9 is connected with the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit and the ground wire of the display.
And the serial switch is fixed on the operation panel and connected with the control integrated circuit.
The head-splitting lifting indicator lamp is fixed on the operation panel and connected with the control integrated circuit. The split lifting indicator lamp consists of a lifting indicator lamp 5 and a lowering indicator lamp 6.
And a cable connector 7 of a connecting switch connected with the control integrated circuit and fixed on the operation panel.
And a cable connector 8 which is fixed on the operation panel and connected with the control integrated circuit and is connected with the controller.
The display 13 is a touch-sensitive liquid crystal display.
The control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the connection technology thereof are not described in detail herein for the prior art. The technical contribution lies in the combination invention, and the detection efficiency and accuracy of the power transformer are improved by combining the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like.
The gear simulation knob 12 is more convenient to adjust and use and more reasonable in structure.
Controller terminal 11 and switch terminal 10, it is more convenient to detect the use, and the structure is more reasonable.
Power source 1 and switch 2 make things convenient for the power wiring, it is more convenient to detect and use, and the structure is more reasonable.
The grounding terminal 9 is grounded safely, has good safety and is more reasonable in structure.
The switch is connected in series, so that the detection and the use are more convenient, and the structure is more reasonable.
The lifting indicator lamp 5 and the lowering indicator lamp 6 have the advantages of prompting effect, more convenient detection and use and more reasonable structure.
The cable joint 7 of the switch is connected, so that the detection and the use are more convenient, and the structure is more reasonable.
Connect the cable joint 8 of controller, it is more convenient to detect the use, and the structure is more reasonable.
The liquid crystal display is more energy-saving and environment-friendly.
The invention concept of the application is as follows:
the power transformer detection device has the advantages that the box body, the operation panel, the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit, the wiring terminal, the display and the like are combined together, and the detection efficiency and accuracy of the power transformer are improved.
Technical contribution of the present application:
the purpose of this application is that solve the above-mentioned technical problem that exists among the prior art, provide a power transformer on-load tap changer fault detection and calibration equipment, this is the isolated plant of power transformer on-load tap changer fault detection and calibration, and it includes power cord, device box, operating panel, binding post, display, the 19 core cables that take the aviation plug, built-in control integrated circuit etc.. The device is connected in series into an on-load tap changer control loop, a multi-core cable terminal is led out to a terminal row of the device, and a tap changer control integrated circuit is arranged in the device, so that a series of on-load tap changer maintenance items such as tap changing operation, loop on-off checking, gear checking, transition resistance detection, on-load tap changer signal checking and the like can be realized. Through the practical access use of the device, a single person can accurately detect the fault point of the on-load voltage regulating switch within 5-10 minutes, the working efficiency is greatly improved, and the power failure time is shortened.
Description of the drawings:
as shown in fig. 1 and fig. 2, the operation panel of the present application includes a display, a shift simulation knob, a controller terminal, a switch terminal, a power interface, a power switch, a series switch, a tap lifting indication, a switch cable connector, a controller cable connector, and a device grounding terminal.
As shown in fig. 3, the device is formed by combining twelve modules, namely a reference voltage, a sampling voltage, a comparator, a delay circuit, a microscopic circuit, a lifting door, a limiting circuit, gear sampling, gear display, a manual switch, a self-locking interlocking circuit and a pushing circuit.
Before use, the device is well grounded and connected with a power line. Different built-in voltage regulation logic circuits (Tiantai/Huaming) are selected according to the types of the on-load voltage regulation switches, the aviation plug of the cable access controller of the on-load voltage regulation switch is connected to a 'switch connection', and a secondary cable carried by the device is accessed to the on-load voltage regulation controller, so that the device is connected in series with a control loop of the on-load voltage regulation switch.
When the on-load tap changer body is checked to be out of order, the series switch is turned to the off position, and the problems that whether a motor loop is short-circuited or short-circuited, whether motor insulation is good, whether a voltage regulating coil is connected or not can be checked by leading out the terminal strip are solved. After finding the fault point, correspondingly eliminating the defect, testing through the device after the fault point is processed, and after the test is qualified, switching the transfer switch to a connection position, and performing voltage regulation test by using the voltage regulation controller.
When the on-load voltage regulation controller is checked to have a fault, the series switch is placed at a disconnection position, a gear simulation knob can be used for simulating an on-load voltage regulation switch body gear signal, the consistency of the controller gear and an actual gear is checked, the ascending/descending display can detect whether the controller can normally send a voltage regulation instruction, whether the voltage regulation time is proper or not is checked, functions of limit gear locking, sudden stop and the like of the on-load voltage regulation controller are checked, a measuring instrument can be connected through a terminal row, the gear output and the capacitor end output of the controller are checked, whether the ascending/descending signal output and the public end output are normal or not is checked, after the check is completed, the transfer switch is placed at a connection position, and the voltage regulation controller is used for carrying out voltage regulation test on the on.
The main technical parameters are as follows:
(1) a working power supply: AC 380V 50 HZ.
(2) Reference setting voltage: AC 103V or 400V.
(3) Control voltage sensitivity: 2.5 percent.
(4) Controlling voltage error: plus or minus 1 percent.
(5) Overvoltage alarm value: 10% of the reference sample voltage.
The on-load tap changer fault detection and calibration device of the power transformer is modified and functionally completed based on the loop principle of a ZYK-8 type intelligent on-load tap changer controller, a tap changer control panel is modified into a loop control panel, interfaces such as a display, an adjusting knob, a power interface, a lifting indicator, an aviation plug and a terminal leading-out port are arranged, and a series of on-load tap changer maintenance items such as tap changing operation, loop on-off checking, gear calibration, transition resistance detection and on-load tap changer signal checking can be realized.
Claims (10)
1. The utility model provides a power transformer on-load tap-changer fault detection and calibration equipment which characterized in that: the intelligent voltage regulation switch comprises a box body, an operation panel arranged on the upper surface of the box body, a control integrated circuit, an on-load voltage regulation switch control loop, a voltage regulation control integrated circuit, a wiring terminal and a display, wherein the control integrated circuit, the on-load voltage regulation switch control loop and the voltage regulation control integrated circuit are arranged in the box body and are electrically connected with each other, the wiring terminal and the display are arranged on the operation panel, the control integrated circuit is electrically connected with the display, and the control integrated circuit.
2. The on-load tap changer fault detection and verification device of the power transformer according to claim 1, characterized in that: the gear simulation knob is arranged on the operation panel and electrically connected with the voltage regulation control integrated circuit.
3. The on-load tap changer fault detection and verification device of the power transformer according to claim 1, characterized in that: the wiring terminal comprises a controller terminal and a switch terminal which are arranged on the operation panel and electrically connected with the control integrated circuit.
4. The on-load tap changer fault detection and verification device of the power transformer according to claim 1, characterized in that: the power supply interface and the power switch are connected in series on power lines of the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit and the display and are in power supply connection.
5. The on-load tap changer fault detection and verification device of the power transformer according to claim 1, characterized in that: the ground terminal is connected with the control integrated circuit, the on-load tap changer control loop, the voltage regulation control integrated circuit and the ground wire of the display.
6. The on-load tap changer fault detection and verification device of the power transformer according to claim 1, characterized in that: the control circuit also comprises a series switch which is arranged on the operation panel and is connected with the control integrated circuit.
7. The on-load tap changer fault detection and verification device of the power transformer according to claim 1, characterized in that: the head-splitting lifting indicator lamp is arranged on the operation panel and connected with the control integrated circuit.
8. The on-load tap changer fault detection and verification device of the power transformer according to claim 1, characterized in that: the cable connector is arranged on the operation panel and connected with the switch of the control integrated circuit.
9. The on-load tap changer fault detection and verification device of the power transformer according to claim 1, characterized in that: the control device also comprises a cable connector which is arranged on the operation panel and connected with the control integrated circuit and is connected with the controller.
10. The on-load tap changer fault detection and verification device of the power transformer according to any one of claims 1 to 9, characterized in that: the display is a touch liquid crystal display.
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| CN201910874976.4A CN110609228A (en) | 2019-09-17 | 2019-09-17 | Fault detection and calibration device for on-load tap changer of power transformer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910874976.4A CN110609228A (en) | 2019-09-17 | 2019-09-17 | Fault detection and calibration device for on-load tap changer of power transformer |
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| CN110609228A true CN110609228A (en) | 2019-12-24 |
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| CN201910874976.4A Pending CN110609228A (en) | 2019-09-17 | 2019-09-17 | Fault detection and calibration device for on-load tap changer of power transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137404A (en) * | 2021-11-23 | 2022-03-04 | 深圳供电局有限公司 | Maintenance method and system for voltage regulating switch of power transformer |
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| CN114137404B (en) * | 2021-11-23 | 2024-07-02 | 深圳供电局有限公司 | Maintenance method and system for voltage regulating switch of power transformer |
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