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CN-122017320-A - Integrated current and voltage detection device of transformer

CN122017320ACN 122017320 ACN122017320 ACN 122017320ACN-122017320-A

Abstract

The invention belongs to the technical field of transformer detection, and particularly relates to a current and voltage integrated detection device of a transformer, which comprises a plurality of conveyors; the device comprises a detection cabinet, a plurality of clamps, a load assembly and a position adjusting mechanism, wherein the detection cabinet is internally provided with a detection accessory for detecting current and voltage, the clamps are movably arranged in a detection channel and are used for being connected with a high-voltage wiring terminal or a low-voltage wiring terminal of a transformer to electrically connect the detection accessory with the transformer, and the position adjusting mechanism is arranged on the side wall of the detection channel and connected with the clamps to control the movement of the clamps. The device of the scheme automatically transports and detects the transformer, increases the detection efficiency, and the switch structure arranged in the detection cabinet can realize the change of the detection circuit in an electric control mode so as to be convenient for the detection of current and voltage performances respectively, can realize automatic switching, does not need to manually disassemble the cable before the detection is finished, and reduces the personal electric shock risk and detection error caused by manual errors.

Inventors

  • ZHANG JINZHONG

Assignees

  • 南京攀涛电力技术有限公司

Dates

Publication Date
20260512
Application Date
20260303

Claims (10)

  1. 1. The current and voltage integrated detection device of the transformer is characterized by comprising the following components: a plurality of conveyors (2) arranged and joined in a conveying direction and for conveying transformers (4); The detecting cabinet (3) is provided with a detecting channel in the middle, the roller conveyor (2) stretches into the detecting channel, detecting accessories for detecting current and voltage are arranged in the detecting cabinet (3), the detecting accessories comprise a high-voltage circuit breaker, a relay, a current sensor and a voltage sensor, a binding post (35) is arranged at the top of the detecting cabinet (3), and the binding post (35) is used for being connected with a 10KV power supply so as to introduce electric energy into the detecting cabinet (3); The clamping devices (10) are movably arranged in the detection channels, the clamping devices (10) are used for being connected with a high-voltage wiring terminal (42) or a low-voltage wiring terminal (41) of the transformer, and the detection accessories are electrically connected with the transformer (4) so as to facilitate the transformer (4) to be connected into a corresponding detection circuit after the high-voltage circuit breaker and the relay are used for performing switching control; The load assembly is arranged at the rear side of the detection cabinet (3) and comprises a reactor (1) and a resistor (5), wherein the reactor (1) and the resistor (5) are connected into the detection cabinet (3) through cables and can be connected into a detection circuit through a high-voltage circuit breaker or a relay; The position adjusting mechanism (7) is arranged on the side wall of the detection channel and is connected with the clamping device (10) so as to control the movement of the clamping device (10).
  2. 2. The integrated current and voltage detection device for the transformer according to claim 1 is characterized in that a switch panel (32) is arranged on the front side of the detection cabinet (3), an indicator lamp (33), a switch button (34) and a touch display screen (31) are arranged on the switch panel (32), the indicator lamp (33) is used for indicating the switch states of a high-voltage circuit breaker and a relay, the switch button (34) is used for manually controlling the switch action of the high-voltage circuit breaker or the relay, and the touch display screen (31) is used for touch operation and display of detection data.
  3. 3. The integrated current and voltage detection device of the transformer according to claim 1 is characterized in that the clamping device (10) comprises a fixed clamping plate (101), a clamping screw (102), a movable clamping plate (103) and a connecting column (104), wherein the upper end of the fixed clamping plate (101) is connected with a position adjusting mechanism (7) and is electrically connected with a detection accessory through a cable, the upper end of the movable clamping plate (103) is hinged with the middle part of the fixed clamping plate (101), the clamping screw (102) is in threaded connection with the lower part of the fixed clamping plate (101), limiting caps (105) are arranged on the inner side and the outer side of the movable clamping plate (103), the connecting column (104) penetrates through a waist-shaped hole in the middle part of the movable clamping plate (103) and is connected with the two limiting caps (105) at two ends, the connecting column (104) is also coaxially connected with the clamping screw (102), and when the clamping screw (102) rotates, the movable clamping plate (103) is driven by the limiting caps (105) to move so that the fixed clamping plate (101) is matched with a wiring terminal of the transformer.
  4. 4. The integrated current and voltage detection device of the transformer according to claim 3, wherein the position adjustment mechanism (7) comprises an adjustment seat, a first pitching electric cylinder (75) and an insulation column (76), the adjustment seat is fixed on the detection cabinet (3), one end of the insulation column (76) is rotatably connected with the adjustment seat, the other end of the insulation column is connected with the clamping device (10), one end of the first pitching electric cylinder (75) is rotatably connected with the adjustment seat, the other end of the first pitching electric cylinder is rotatably connected with the middle of the insulation column (76), and the insulation column (76) is controlled to vertically swing.
  5. 5. The integrated current and voltage detection device for the transformer according to claim 4, wherein the adjusting seat comprises a fixed seat (71), a wedge block (72), a translation seat (73) and an adjusting screw rod (74), the fixed seat (71) is fixedly connected with the detection cabinet (3), the wedge block (72) is arranged between the fixed seat (71) and the translation seat (73) and is controlled to move by the adjusting screw rod (74) so as to enable the translation seat (73) to horizontally move, and the first pitching cylinder (75) and the insulating column (76) are arranged on the translation seat (73).
  6. 6. The integrated current and voltage detection device for the transformer is characterized in that a righting mechanism (6) is arranged on two opposite sides of a detection channel, the righting mechanism (6) comprises a righting push plate (61) and a righting electric cylinder (62), the righting electric cylinder (62) is fixed on a detection cabinet (3), the righting push plate (61) is connected to the moving end of the righting electric cylinder (62), a roller type conveyor (2) is adopted as a conveyor (2) in the detection channel, a conveying roller (21) and a transverse moving roller (22) are arranged on the roller type conveyor (2), the rotating direction of the transverse moving roller (22) is perpendicular to the rotating direction of the conveying roller, and a roller frame below the transverse moving roller (22) is connected with the ground through a scissor type lifter.
  7. 7. A current-voltage integrated detection device for a transformer according to claim 3, characterized in that clamping screws (102) on clamping devices (10) on opposite sides of a detection channel are oriented towards each other, a tightening mechanism (8) is arranged in the detection channel, the tightening mechanism (8) comprises a tightening motor (814) and a screwdriver head (815), the screwdriver head (815) is connected to an output shaft of the tightening motor (814), and the screwdriver head (815) extends between a high-voltage terminal (42) and a low-voltage terminal (41) and can control the rotation of the clamping screws (102) when being plugged onto the clamping screws (102) so that the clamping devices (10) clamp or loosen corresponding terminal.
  8. 8. The integrated current and voltage detection device of the transformer according to claim 7, wherein the tightness mechanism (8) further comprises a transverse groove rail (87), a transverse screw rod (88), a transverse sliding seat (89), a reversing motor (810), a reversing table (811), a reversing fluted disc (812) and a shifting module (813), the transverse groove rail (87) is parallel to the arrangement direction of the high-voltage wiring terminals (42), the transverse sliding seat (89) is in sliding fit with the transverse groove rail (87) and is in threaded connection with the transverse screw rod (88), the reversing table (811) is rotatably connected below the transverse sliding seat (89) and is fixedly connected with the reversing fluted disc (812), a gear connected to an output shaft of the reversing motor (810) is meshed with the reversing fluted disc (812), the shifting module (813) is fixed at the bottom of the reversing table (811), and the tightness motor (814) is mounted at the shifting end of the shifting module (813).
  9. 9. The integrated current and voltage detection device of the transformer according to claim 8, wherein the loosening and tightening mechanism (8) further comprises a second pitching electric cylinder (81), a vertical swinging arm (82), a cross rod (83), a rotating motor (84), an upper rotating arm (85) and a lower rotating arm (86), one end of the vertical swinging arm (82) is rotationally connected with the detection cabinet (3), the other end of the vertical swinging arm is connected with the cross rod (83), the second pitching electric cylinder (81) is used for controlling vertical rotation of the vertical swinging arm (82), the upper end of the upper rotating arm (85) is rotationally connected with the cross rod (83) and is controlled to rotate by the rotating motor (84), and the upper end of the lower rotating arm (86) is rotationally connected with the lower end of the upper rotating arm (85) and the lower end of the lower rotating arm is rotationally connected with the transverse groove rail (87).
  10. 10. The integrated current and voltage detection device for a transformer according to claim 8, wherein a camera (9) is mounted at the end of the translation module (813), and the camera (9) faces towards the batch head (815).

Description

Integrated current and voltage detection device of transformer Technical Field The invention belongs to the technical field of transformer detection, and particularly relates to a current and voltage integrated detection device of a transformer. Background The comprehensive detection and calibration of the voltage and current related performance of the 10kv transformer when leaving the factory are hard industrial requirements and regulatory forces for ensuring the qualification, network access safety and reliable operation of products. The design conformity, performance stability and safety boundary of the transformer under the rated/limit voltage and current working conditions can be verified through detection, and the phenomenon that unqualified products flow into a power system to cause power grid faults, equipment damage and even personal accidents are avoided. The method not only confirms that the product can meet the designed voltage rise and current adaptation requirements, but also can check the hidden defects in production and manufacture, and simultaneously provides basic technical basis for subsequent network access and operation and maintenance. In the prior art, detection is generally carried out on a 10kv transformer by carrying detection equipment to the transformer, then voltage and current detection is carried out on the transformer after connection between the detection equipment and the transformer, and the wiring modes of cables are different due to the difference of current detection and voltage detection devices, so that the requirements on experience of detection personnel are higher, and the efficiency is lower in a scene of batch detection. Meanwhile, because repeated power on and off and cable detaching are needed, the problems of time and labor waste and manual misoperation exist, and personal safety risks exist. Disclosure of Invention In order to solve the problems in the prior art, the scheme provides a current and voltage integrated detection device of a transformer. The technical scheme adopted by the invention is as follows: an integrated current-voltage detection device for a transformer, comprising: a plurality of conveyors arranged and joined in a conveying direction and used for conveying the transformers; The detecting cabinet is provided with a detecting channel in the middle part, and the roller conveyor stretches into the detecting channel, and is internally provided with a detecting accessory for detecting current and voltage, wherein the detecting accessory comprises a high-voltage circuit breaker, a relay, a current sensor and a voltage sensor; The clamping devices are movably arranged in the detection channels and are used for connecting a high-voltage wiring terminal or a low-voltage wiring terminal of the transformer, and the detection accessories are electrically connected with the transformer so as to facilitate the transformer to be connected into a corresponding detection circuit after the high-voltage circuit breaker and the relay are used for performing switch control; The load assembly is arranged at the rear side of the detection cabinet and comprises a reactor and a resistor, wherein the reactor and the resistor are connected into the detection cabinet through a cable and can be connected into a detection circuit through a high-voltage circuit breaker or a relay; The position adjusting mechanism is arranged on the side wall of the detection channel and connected with the clamping device so as to control the movement of the clamping device. The detection cabinet comprises a detection cabinet body, wherein the detection cabinet body is characterized in that a switch panel is arranged on the front side of the detection cabinet body, an indicator lamp, a switch button and a touch display screen are arranged on the switch panel body, the indicator lamp is used for indicating the switch states of a high-voltage circuit breaker and a relay, the switch button is used for manually controlling the switch action of the high-voltage circuit breaker or the relay, and the touch display screen is used for touch operation and display of detection data. The clamping device comprises a fixed clamping plate, a clamping screw, a movable clamping plate and a connecting column, wherein the upper end of the fixed clamping plate is connected with a position adjusting mechanism and is electrically connected with a detection accessory through a cable, the upper end of the movable clamping plate is hinged with the middle part of the fixed clamping plate, the clamping screw is in threaded connection with the lower part of the fixed clamping plate, limiting caps are arranged on the inner side and the outer side of the movable clamping plate, the connecting column penetrates through a waist-shaped hole in the middle part of the movable clamping plate and is connected with the two limiting caps at the two ends, the connecting column is also coaxially connected with the clamping scre