CN113589221A - Current transformer detection vehicle with high-altitude operation system - Google Patents
Current transformer detection vehicle with high-altitude operation system Download PDFInfo
- Publication number
- CN113589221A CN113589221A CN202111136972.XA CN202111136972A CN113589221A CN 113589221 A CN113589221 A CN 113589221A CN 202111136972 A CN202111136972 A CN 202111136972A CN 113589221 A CN113589221 A CN 113589221A
- Authority
- CN
- China
- Prior art keywords
- current transformer
- current
- vehicle
- arm
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
- B62D63/04—Component parts or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The application relates to a current transformer detection vehicle with an aerial working system, which belongs to the technical field of high-voltage current transformer maintenance and comprises: the aerial working platform comprises an aerial working platform body, a platform body and a platform support, wherein the aerial working platform body comprises a bearing vehicle body and a turntable support fixed on the bearing vehicle body; the vehicle-mounted calibrator comprises an integrated box body fixed on the bearing vehicle body and a current transformer calibration system fixedly positioned in the integrated box body and used for calibrating a tested current transformer. This application is developing the on-spot check-up work of measured current transformer, with current transformer detection vehicle entering measured current transformer's place can accomplish wiring and on-the-spot check-up work, work efficiency is high, reduces the check-up cost, the check-up required time is short, and it is little to occupy the place, and on-the-spot operation space and power failure window period all can satisfy experimental requirement, are convenient for be measured developing and implementing of current transformer on-the-spot check-up work.
Description
Technical Field
The application relates to the technical field of high-voltage current transformer maintenance, in particular to a current transformer detection vehicle with an aerial working system.
Background
The current transformer is a source of control, protection and measurement signals of a power grid, is vital to safe and efficient operation of the power grid, is brought into a mandatory verification catalogue by the government, and needs to be verified on site every 4-10 years.
When the field calibration work of the current transformer is carried out, 1% -120% of rated current needs to be applied to a primary winding of the tested current transformer through a high-current wire according to the calibration regulation requirement, the high-current wire is heavy, and the connection work of the high-current wire in the field calibration work of the tested current transformer is an indispensable step and the most time and labor consuming step.
The column type current transformer is one of the most conventional structures in the current transformers, the height of the column type current transformer generally reaches 8-10 meters, in the prior art, a test for connecting the tested current transformer needs to carry out large-current wire wiring operation by means of an overhead working truck, and testers and large-current wires weighing dozens of jin need to be simultaneously conveyed to the height of 8-10 meters, so that the wiring operation of the column type current transformer is completed.
The field calibration requirement of the current transformer is completed when the transformer substation is powered off, the time of a power-off window is limited, the efficiency of the calibration work of the current transformer is high, the coordination of the overhead working truck needs to take a long time, the use cost is high, the field calibration work space of the tested current transformer is narrow, the situation that the overhead working truck and the test equipment are difficult to place at the same time often occurs, and the calibration work efficiency is affected.
Disclosure of Invention
The embodiment of the application provides a current transformer detection vehicle with an overhead working system, and aims to solve the problems that in the related art, the space of a detected current transformer field checking operation field is narrow, the overhead working vehicle and test equipment are difficult to arrange, and the checking work efficiency is low.
The embodiment of the application provides a take high altitude construction system's current transformer to detect car, includes:
the aerial working platform comprises an aerial working platform body, a platform body and a platform support, wherein the aerial working platform body comprises a bearing vehicle body and a turntable support fixed on the bearing vehicle body;
the vehicle-mounted calibrator comprises an integrated box body fixed on the bearing vehicle body and a current transformer calibration system fixedly positioned in the integrated box body and used for calibrating a tested current transformer.
In some embodiments: the bearing vehicle body comprises a vehicle chassis and a cab, the rotary table support is fixed on the vehicle chassis and far away from the cab, the integrated box body is fixed on the vehicle chassis and located between the cab and the rotary table support, and a control system for controlling the current transformer checking system is arranged at the rear row in the cab.
In some embodiments: the integrated box body is of a rectangular structure, and the top of one side, close to the turntable support, of the integrated box body is provided with an avoiding chamfer or an avoiding groove for retracting and releasing the extending arm.
In some embodiments: the bottom of the vehicle chassis is provided with a hydraulic support leg for supporting the vehicle chassis, interlocking devices are arranged between the hydraulic support leg and the turntable support and between the hydraulic support leg and the extending arm respectively, and the interlocking devices can automatically lock the turntable support and the extending arm when the hydraulic support leg does not extend out.
In some embodiments: the extension arm comprises a bottom support arm, a middle support arm and an upper support arm, the bottom support arm is hinged to the top of the turntable support, and a bottom hydraulic support cylinder for driving the bottom support arm to extend is arranged on the turntable support;
the middle supporting arm is hinged with the bottom supporting arm, and a middle hydraulic supporting cylinder for driving the middle supporting arm to extend is arranged on the bottom supporting arm;
the upper supporting arm is hinged with the middle supporting arm, and the middle supporting arm is provided with an upper hydraulic supporting cylinder for driving the upper supporting arm to extend;
the operation platform is hinged with the upper supporting arm, and a leveling device for adjusting the balance of the operation platform is arranged between the operation platform and the upper supporting arm.
In some embodiments: the operation platform is provided with an electric control console for operating the rotary table support and the extending arm to move, a Bluetooth module is arranged in the electric control console, and the electric control console is connected with a remote controller through the Bluetooth module in a wireless communication mode.
In some embodiments: the current transformer calibration system comprises an electrician power supply, a current booster, an error measuring device and a standard current transformer, wherein an output winding of the electrician power supply is connected with an input winding of the current booster, and an output winding of the current booster is connected with a primary winding of the standard current transformer in series and then connected with a primary winding of the current transformer to be tested;
one end of the secondary winding of the standard current transformer is connected with a To terminal of the error measuring device, and the other end of the secondary winding of the standard current transformer is connected with a K terminal of the error measuring device; one end of the secondary winding of the tested current transformer is connected with a K terminal of the error measuring device, and the other end of the secondary winding of the tested current transformer is connected with a Tx terminal of the error measuring device after being connected with the load box in series.
In some embodiments: an external power supply input terminal, an input power switch, a secondary current wiring terminal and a primary current wiring terminal are arranged on the side surface of the integrated box body, and an input winding of the electrical power supply is connected with the external power supply input terminal through the input power switch;
the output winding of the current booster is connected with the primary winding of the current transformer to be tested through a primary current wiring terminal, and the standard current transformer is connected with the secondary winding of the current transformer to be tested through a secondary current wiring terminal.
In some embodiments: the output windings of the current booster are provided with two, the side surface of the integrated box body is also provided with a serial-parallel connection line row, and when the two output windings of the current booster are connected in parallel, the output current is twice of the output current when the two output windings of the current booster are connected in series.
In some embodiments: the current transformer checking system further comprises a primary large current lead and a secondary lead, the current booster is connected with the current transformer to be tested through the primary large current lead, and the error measuring device is connected with the current transformer to be tested through the secondary lead.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a current transformer detection vehicle with an aerial work system, and the aerial work vehicle is provided with the aerial work vehicle, the aerial work vehicle comprises a bearing vehicle body and a rotary table support fixed on the bearing vehicle body, the rotary table support is rotatably connected with an extension arm, and the extension arm is rotatably connected with a work platform; the vehicle-mounted calibrator comprises an integrated box body fixed on the bearing vehicle body and a current transformer calibration system fixedly positioned in the integrated box body and used for calibrating a tested current transformer.
Therefore, the current transformer detection vehicle integrates the high-altitude operation vehicle and the vehicle-mounted check meter together, can complete the primary wire connection work of the detected current transformer without the cooperation of the external high-altitude operation vehicle, and can intelligently and efficiently complete the field check work of the detected current transformer. This application is developing the on-spot check-up work of measured current transformer, with current transformer detection vehicle entering measured current transformer's place can accomplish wiring and on-the-spot check-up work, work efficiency is high, reduces the check-up cost, the check-up required time is short, and it is little to occupy the place, and on-the-spot operation space and power failure window period all can satisfy experimental requirement, are convenient for be measured developing and implementing of current transformer on-the-spot check-up work.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a current transformer detection vehicle according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a current transformer detection vehicle working state according to an embodiment of the application;
FIG. 3 is a schematic structural diagram of a wiring panel on an integrated box according to an embodiment of the present application;
fig. 4 is a circuit diagram of a current transformer calibration system according to an embodiment of the present application.
Reference numerals:
1. an aerial work vehicle; 2. a vehicle-mounted calibrator; 11. a turntable support; 12. an extension arm; 12a, a bottom support arm; 12b, a middle supporting arm, 12c, an upper supporting arm; 13. an operation platform; 14. a vehicle chassis; 15. a cab; 16. a hydraulic leg; 21. a current riser; 22. a standard current transformer; 23. a current transformer to be tested; 24. an error measuring device; 25. a load box.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 some embodiments of the present application, but not all embodiments. 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.
The embodiment of the application provides a current transformer detection vehicle with an overhead working system, which can solve the problems that in the related art, the space of a detected current transformer on-site checking operation site is narrow, the overhead working vehicle and test equipment are difficult to arrange, and the checking work efficiency is low.
Referring to fig. 1, an embodiment of the present application provides a current transformer detection vehicle with an aerial work system, including:
the high-altitude operation car 1, this high-altitude operation car 1 is including bearing the automobile body and fixing the revolving stage support 11 on bearing the automobile body, and 360 rotations on bearing the automobile body of revolving stage support 11 are rotated, rotate on revolving stage support 11 and are connected with extending arm 12, rotate on extending arm 12 and are connected with work platform 13. The angle of the extending arm 12 is adjusted on the rotary table support 11 along a set direction, the extending arm 12 is provided with a lifting mechanism for lifting the operation platform 13 to a set height, the maximum lifting height of the extending arm 12 can reach 16m, and therefore an operator and a large-current lead can be lifted to the top of the current transformer 23 to be tested at the same time, and the installation operation of the large-current lead and a secondary cable is completed.
The vehicle-mounted calibrator 2 comprises an integrated box body fixed on the bearing vehicle body and a current transformer calibration system fixedly positioned in the integrated box body and used for calibrating the tested current transformer 23. The vehicle-mounted check gauge 2 is integrated on the bearing vehicle body, and the high-altitude operation vehicle 1 simultaneously transports the vehicle-mounted check gauge 2 to a detected current transformer check field when entering the field, so that the detected current transformer check field is not additionally occupied. After the operator finishes the installation of the large-current lead, the secondary cable and the tested current transformer, the vehicle-mounted calibrator 2 can perform calibration operation. The integrated box body of the vehicle-mounted calibrator 2 is of a rectangular structure, and the top of one side, close to the turntable support 11, of the integrated box body is provided with an avoidance chamfer or an avoidance groove for retracting and releasing the extension arm 12, so that the integrated box and the extension arm 12 are prevented from generating position interference.
The current transformer detection vehicle integrates the high-altitude operation vehicle 1 and the vehicle-mounted check meter 2 together, can complete connection work of a primary lead and a secondary lead of a detected current transformer without assistance of an external high-altitude operation vehicle, and can complete field check work of the detected current transformer intelligently and efficiently. This application is developing the on-spot check-up work of measured current transformer, and the place that gets into measured current transformer 23 with current transformer detection vehicle can accomplish wiring and on-spot check-up work, and work efficiency is high, reduces the check-up cost, and the check-up required time is short, and it is little to occupy the place, and on-spot operation space and power failure window period all can satisfy experimental requirement, have greatly promoted developing and implementing of 23 on-spot check-up work of measured current transformer.
In some alternative embodiments: referring to fig. 1 and 2, the embodiment of the application provides a current transformer detection vehicle with an aerial working system, the carrying vehicle body of the current transformer detection vehicle comprises a vehicle chassis 14 and a cab 15, and a turntable support 11 is fixed on the vehicle chassis 14 and is far away from the cab 15. An arrangement space for installing the vehicle-mounted calibrator 2 is reserved between the rotary table support 11 and the cab 15, and an integrated box body of the vehicle-mounted calibrator 2 is fixed on the vehicle chassis 14 and is positioned between the cab 15 and the rotary table support 11.
A control system for controlling the current transformer calibration system is arranged in the rear row in the cab 15, and the control system is connected with the current transformer calibration system through a signal line. The control system is connected with an electrical power supply of the current transformer checking system, the standard current transformer 22, the error measuring device 24 and the load box 25 through signal lines, and therefore voltage increase and reduction control over the electrical power supply, test transformation ratio switching over of the standard current transformer 22, error display of the error measuring device 24 and load selection control over the load box 25 are achieved.
In some alternative embodiments: referring to fig. 1 and 2, the embodiment of the application provides a current transformer detection vehicle with an aerial working system, a hydraulic leg 16 supporting a vehicle chassis 14 is arranged at the bottom of the vehicle chassis 14 of the current transformer detection vehicle, and interlocking devices are respectively arranged between the hydraulic leg 16 and a turntable support 11 and an extension arm 12 and between the hydraulic leg 16 and the turntable support 11 and the extension arm 12, so that the turntable support 11 and the extension arm 12 are automatically locked when the hydraulic leg 16 is not extended. When the hydraulic support legs 16 are completely extended and stably supported, the turntable support 11 and the extension arm 12 can act, and the safety of operation is improved.
The stretching arm 12 comprises a bottom supporting arm 12a, a middle supporting arm 12b and an upper supporting arm 12c, the bottom supporting arm 12a is hinged to the top of the turntable support 11, a bottom hydraulic supporting cylinder for driving the bottom supporting arm 12a to stretch is arranged on the turntable support 11, and the bottom hydraulic supporting cylinder drives the bottom supporting arm 12a to stretch and fold through telescopic action.
The middle supporting arm 12b is hinged with the bottom supporting arm 12a, a middle hydraulic supporting cylinder for driving the middle supporting arm 12b to extend is arranged on the bottom supporting arm 12a, and the middle hydraulic supporting cylinder drives the middle supporting arm 12b to extend and fold through telescopic motion. The upper support arm 12c is hinged to the middle support arm 12b, and the middle support arm 12b is provided with an upper hydraulic support cylinder for driving the upper support arm 12c to extend, and the upper hydraulic support cylinder drives the upper support arm 12c to extend and fold through telescopic motion.
The working platform 13 is hinged with the upper supporting arm 12c, and a leveling device for adjusting the balance of the working platform 13 is arranged between the working platform 13 and the upper supporting arm 12 c. When the bottom support arm 12a, the middle support arm 12b and the upper support arm 12c lift the work platform 13 to any height, the leveling device automatically adjusts the angle of the work platform 13, so that the work platform 13 is always in a horizontal state, and the safety of an operator sitting on the work platform 13 is ensured.
An electric control operation platform for operating the rotary table support 11 and the extending arm 12 to move is arranged on the operation platform 13, and an operator can adjust the rotary table support 11 and the extending arm 12 through the electric control operation platform by himself when riding in the operation platform 13, so that the operation platform 13 is lifted to a set position. Be equipped with bluetooth module in the automatically controlled operation panel, the automatically controlled operation panel has remote controller through bluetooth module wireless communication connection. An operator on the ground can remotely adjust the turntable support 11 and the extension arm 12 through a remote controller to lift the working platform 13 to a set position.
In some alternative embodiments: referring to fig. 1 and 4, the embodiment of the present application provides a current transformer detection vehicle with an aerial work system, and a current transformer verification system of the current transformer detection vehicle includes an electrical power supply, a current booster 21, an error measurement device 24 and a standard current transformer 22. The electrical power supply, the current rising device 21, the error measuring device 24 and the standard current transformer 22 are all arranged in the integrated box, an output winding of the electrical power supply is connected with an input winding of the current rising device 21, and an output winding of the current rising device 21 is connected with a primary winding of the standard current transformer 22 in series and then connected with a primary winding of the tested current transformer 23.
One end K2 of the secondary winding of the standard current transformer 22 is connected To the To terminal of the error measuring device 24, and the other end K1 of the secondary winding of the standard current transformer 22 is connected To the K terminal of the error measuring device 24. One end K1 of the secondary winding of the tested current transformer 23 is connected with the K terminal of the error measuring device 24, the other end K2 of the secondary winding of the tested current transformer 23 is connected with the load box 25 in series and then is connected with the Tx terminal of the error measuring device 24, the D terminal of the error measuring device 24 is grounded, and the error measuring device 24 is a HGQ current transformer field calibrator.
In some alternative embodiments: referring to fig. 1, 3 and 4, an embodiment of the application provides a current transformer detection vehicle with an aerial work system, a wiring panel is arranged on a side face of an integrated box of the current transformer detection vehicle, an external power supply input terminal and an input power switch are arranged on the wiring panel, secondary current wiring terminals S1 and S2 connected with a secondary winding of a detected current transformer are arranged on the wiring panel, primary current wiring terminals P1 and P2 connected with a primary winding of the detected current transformer are arranged on the wiring panel, and an input winding of an electrical power supply is connected with the external power supply input terminal through the input power switch.
The output winding of the current booster 21 is connected with the primary winding of the current transformer 23 to be tested through primary current terminals P1 and P2, and the standard current transformer 22 is connected with the secondary winding of the current transformer 23 to be tested through secondary current terminals S1 and S2. The output windings of the current booster 21 are two, the wiring panel on the side of the integrated box body is also provided with a primary current wiring terminal of the current booster, the primary current wiring terminal of the current booster is provided with a series-parallel connection row A1/A2 and a B1/B2, and when the two output windings of the current booster 21 are connected in parallel (namely, A1/A2 is connected and B1/B2 is connected), the output current is twice of the output current when the two output windings of the current booster are connected in series (namely, A2 and B1 are connected). The output current is 5000A when the two output windings of the current booster 21 are connected in parallel, and 2500A when the two output windings of the current booster 21 are connected in series.
The current transformer checking system further comprises a primary large-current lead and a secondary lead, an output winding of the current booster 21 is connected with a primary winding of the standard current transformer 22 in series and then connected with a primary current wiring terminal P1 and a primary current wiring terminal P2, the current transformer 23 to be tested is connected with the primary current wiring terminal P1 and the primary current wiring terminal P2 through the primary large-current lead, a K terminal of the error measuring device 24 is connected with the secondary current wiring terminal S1, a Tx terminal of the error measuring device 24 is connected with one end of the load box 25, the other end of the load box 25 is connected with the secondary current wiring terminal S2, and a secondary winding of the current transformer 23 to be tested is connected with the secondary current wiring terminals S1 and S2 through the secondary lead.
Principle of operation
The embodiment of the application provides a current transformer detection vehicle with an aerial work system, and the aerial work vehicle 1 is arranged on the current transformer detection vehicle, the aerial work vehicle 1 comprises a bearing vehicle body and a rotary table support 11 fixed on the bearing vehicle body, an extension arm 12 is rotatably connected to the rotary table support 11, and an operation platform 13 is rotatably connected to the extension arm 12; and the vehicle-mounted calibrator 2 comprises an integrated box body fixed on the bearing vehicle body and a current transformer calibration system fixedly positioned in the integrated box body and used for calibrating the tested current transformer.
Therefore, the current transformer detection vehicle integrates the overhead working vehicle 1 and the vehicle-mounted calibrator 2 together to perform wiring and calibration operation on the detected current transformer 23, can complete one-time wire connection operation of the detected current transformer 23 without the aid of cooperation of an external overhead working vehicle, and can intelligently and efficiently complete the field calibration operation of the detected current transformer 23. This application is developing the on-spot check-up work of measured current transformer 23, and the place that gets into measured current transformer 23 with current transformer detection vehicle can accomplish wiring and on-the-spot check-up work, and work efficiency is high, reduces the check-up cost, and the check-up required time is short, and it is little to occupy the place, and on-the-spot operation space and power failure window period all can satisfy experimental requirement, are convenient for be measured developing and implementing of the on-the-spot check-up work of current transformer.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, 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 application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice 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 (10)
1. The utility model provides a take high altitude construction system's current transformer to detect car which characterized in that includes:
the aerial work platform comprises an aerial work vehicle (1) and a control system, wherein the aerial work vehicle comprises a bearing vehicle body and a rotary table support (11) fixed on the bearing vehicle body, the rotary table support (11) is rotatably connected with a stretching arm (12), and the stretching arm (12) is rotatably connected with a work platform (13);
and the vehicle-mounted calibrator (2) comprises an integrated box body fixed on the bearing vehicle body and a current transformer calibration system fixedly positioned in the integrated box body and used for calibrating the current transformer to be tested.
2. The current transformer detection vehicle with the aerial working system as claimed in claim 1, wherein:
bear the automobile body and include vehicle chassis (14) and driver's cabin (15), revolving stage support (11) are fixed on vehicle chassis (14) and are kept away from driver's cabin (15), integrated box is fixed on vehicle chassis (14) and be located position between driver's cabin (15) and revolving stage support (11), the back row in driver's cabin (15) is equipped with the control system of control current transformer check-up system.
3. The current transformer detection vehicle with the aerial work system as claimed in claim 2, wherein:
the integrated box body is of a rectangular structure, and an avoiding chamfer or an avoiding groove for retracting and releasing the extending arm is arranged at the top of one side, close to the rotary table support (11), of the integrated box body.
4. The current transformer detection vehicle with the aerial work system as claimed in claim 2, wherein:
the bottom of the vehicle chassis (14) is provided with a hydraulic support leg (16) for supporting the vehicle chassis (14), interlocking devices are arranged between the hydraulic support leg (16) and the turntable support (11) and the extension arm (12), and the interlocking devices can automatically lock the turntable support (11) and the extension arm (12) when the hydraulic support leg (16) is not extended.
5. The current transformer detection vehicle with the aerial working system as claimed in claim 1, wherein:
the extension arm (12) comprises a bottom support arm (12 a), a middle support arm (12 b) and an upper support arm (12 c), the bottom support arm (12 a) is hinged to the top of the turntable support (11), and a bottom hydraulic support cylinder for driving the bottom support arm (12 a) to extend is arranged on the turntable support (11);
the middle supporting arm (12 b) is hinged with the bottom supporting arm (12 a), and a middle hydraulic supporting cylinder for driving the middle supporting arm (12 b) to extend is arranged on the bottom supporting arm (12 a);
the upper supporting arm (12 c) is hinged with the middle supporting arm (12 b), and an upper hydraulic supporting cylinder for driving the upper supporting arm (12 c) to extend is arranged on the middle supporting arm (12 b);
the operation platform (13) is hinged to the upper supporting arm (12 c), and a leveling device for adjusting the balance of the operation platform (13) is arranged between the operation platform (13) and the upper supporting arm (12 c).
6. The current transformer detection vehicle with the aerial working system as claimed in claim 1, wherein:
the operation platform (13) is provided with an electric control console for operating the rotary table support (11) and the extending arm (12) to move, a Bluetooth module is arranged in the electric control console, and the electric control console is connected with a remote controller through the Bluetooth module in a wireless communication mode.
7. The current transformer detection vehicle with the aerial working system as claimed in claim 1, wherein:
the current transformer checking system comprises an electrical power supply, a current booster (21), an error measuring device (24) and a standard current transformer (22), wherein an output winding of the electrical power supply is connected with an input winding of the current booster (21), and an output winding of the current booster (21) is connected with a primary winding of the standard current transformer (22) in series and then is connected with a primary winding of a tested current transformer (23);
one end of a secondary winding of the standard current transformer (22) is connected with a To terminal of the error measuring device (24), and the other end of the secondary winding of the standard current transformer is connected with a K terminal of the error measuring device (24); one end of a secondary winding of the current transformer (23) to be measured is connected with a K terminal of the error measuring device (24), and the other end of the secondary winding is connected with a Tx terminal of the error measuring device (24) after being connected with a load box (25) in series.
8. The current transformer detection vehicle with the aerial working system as claimed in claim 7, wherein:
an external power supply input terminal, an input power switch, a secondary current wiring terminal and a primary current wiring terminal are arranged on the side surface of the integrated box body, and an input winding of the electrical power supply is connected with the external power supply input terminal through the input power switch;
the output winding of the current booster (21) is connected with the primary winding of the tested current transformer (23) through a primary current wiring terminal, and the standard current transformer (22) is connected with the secondary winding of the tested current transformer (23) through a secondary current wiring terminal.
9. The current transformer detection vehicle with the aerial working system as claimed in claim 7, wherein:
the output windings of the current booster (21) are two, the side face of the integrated box body is also provided with a serial-parallel connection line row, and when the two output windings of the current booster are connected in parallel, the output current is twice of the output current when the two output windings of the current booster (21) are connected in series.
10. The current transformer detection vehicle with the aerial working system as claimed in claim 7, wherein:
the current transformer checking system further comprises a primary large current lead and a secondary lead, the current booster (21) is connected with the measured current transformer (23) through the primary large current lead, and the error measuring device (24) is connected with the measured current transformer (23) through the secondary lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111136972.XA CN113589221A (en) | 2021-09-27 | 2021-09-27 | Current transformer detection vehicle with high-altitude operation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111136972.XA CN113589221A (en) | 2021-09-27 | 2021-09-27 | Current transformer detection vehicle with high-altitude operation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113589221A true CN113589221A (en) | 2021-11-02 |
Family
ID=78242269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111136972.XA Pending CN113589221A (en) | 2021-09-27 | 2021-09-27 | Current transformer detection vehicle with high-altitude operation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113589221A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115561695A (en) * | 2022-11-18 | 2023-01-03 | 山西互感器电测设备有限公司 | On-site calibration device and method for three-phase current transformer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284636A (en) * | 2008-05-23 | 2008-10-15 | 杭州爱知工程车辆有限公司 | Intelligence control system for aerial platform, aerial platform and control method thereof |
| CN201413390Y (en) * | 2009-05-22 | 2010-02-24 | 苏州市华电电气技术有限公司 | Electric power transformer field calibration vehicle |
| CN207663042U (en) * | 2017-10-24 | 2018-07-27 | 中国电力科学研究院有限公司 | 1000kV AC extra high voltage current transformer errors verify mobile platform |
| CN108427091A (en) * | 2018-06-21 | 2018-08-21 | 国网宁夏电力有限公司电力科学研究院 | Current transformer error calibration equipment |
-
2021
- 2021-09-27 CN CN202111136972.XA patent/CN113589221A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284636A (en) * | 2008-05-23 | 2008-10-15 | 杭州爱知工程车辆有限公司 | Intelligence control system for aerial platform, aerial platform and control method thereof |
| CN201413390Y (en) * | 2009-05-22 | 2010-02-24 | 苏州市华电电气技术有限公司 | Electric power transformer field calibration vehicle |
| CN207663042U (en) * | 2017-10-24 | 2018-07-27 | 中国电力科学研究院有限公司 | 1000kV AC extra high voltage current transformer errors verify mobile platform |
| CN108427091A (en) * | 2018-06-21 | 2018-08-21 | 国网宁夏电力有限公司电力科学研究院 | Current transformer error calibration equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115561695A (en) * | 2022-11-18 | 2023-01-03 | 山西互感器电测设备有限公司 | On-site calibration device and method for three-phase current transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015074538A1 (en) | Automatic unfolding type on-site calibration vehicle for high-voltage transformers | |
| CN101425758B (en) | 1600kV/50mA outdoor moving DC voltage generator | |
| KR102596181B1 (en) | Field test method and system for no-load and load loss of vehicle-mounted power transformer | |
| CN101561482B (en) | Electric power transformer field calibration vehicle | |
| CN113589221A (en) | Current transformer detection vehicle with high-altitude operation system | |
| CN203078390U (en) | Vehicle-mounted integrated electrical equipment quality detecting platform | |
| CN112526299A (en) | Mobile +/-800 kV direct-current withstand voltage test platform and using method thereof | |
| CN103576062A (en) | Wireless frequency conversion resonance withstand voltage testing device and testing method thereof | |
| CN201413390Y (en) | Electric power transformer field calibration vehicle | |
| CN207623504U (en) | A kind of integral type instrument for Site Detection voltage transformer | |
| CN107238771B (en) | Device and method for measuring residual electric energy of direct-current high-voltage bus of electric automobile | |
| CN102785603B (en) | Extra-high voltage power transformer calibration car | |
| CN105425189A (en) | Extra-high voltage potential transformer separated checking platform and mounting and checking method thereof | |
| CN113325356A (en) | Crawler-type on-site metering verification vehicle for high-voltage current transformer | |
| CN218601407U (en) | Direct-current withstand voltage electrical performance comprehensive test equipment for direct-current transmission valve hall | |
| CN203491900U (en) | Direct-current power supply trolley for test of rail vehicle | |
| CN203637650U (en) | Electric on-site test truck with carriage | |
| CN219799749U (en) | Track lift truck for detecting error of current transformer | |
| WO2020181657A1 (en) | Electric automobile alternating-current charging detection device and corresponding alternating-current charger detection method | |
| CN216144941U (en) | Portable voltage transformer calibrating device of 20kV and below | |
| CN216847962U (en) | Automatic test equipment for offline finished product of high-voltage distribution box of electric automobile | |
| CN205944797U (en) | Electric meter case | |
| CN205720623U (en) | Folding electric current transformer verification fast-wiring security protection car | |
| CN201403053Y (en) | 1600kV/50mA outdoor movable DC voltage generator | |
| CN216350865U (en) | Multifunctional direct current large current generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211102 |