CN218896164U

CN218896164U - Polyimide enameled wire PDIV test equipment

Info

Publication number: CN218896164U
Application number: CN202320121495.8U
Authority: CN
Inventors: 吴峥
Original assignee: Nantong Bolian Material Technology Co ltd
Current assignee: Nantong Bolian Material Technology Co ltd
Priority date: 2023-01-14
Filing date: 2023-01-14
Publication date: 2023-04-21
Anticipated expiration: 2033-01-14

Abstract

The utility model discloses polyimide enameled wire PDIV test equipment which comprises a test box, wherein a detection frame is fixedly connected to the inner bottom wall of the test box, two supporting seats are fixedly connected to the upper surface of the detection frame, the inner wall of each supporting seat is hinged with a test electric clamp through a pin shaft, the two test electric clamps jointly clamp an enameled wire body, and the electrode end of each test electric clamp is electrically connected with a test cable. The polyimide enameled wire PDIV test equipment can utilize the high-frequency voltage pulse releaser to generate corresponding voltage to stably and uniformly supply voltage to the enameled wire body to generate instantaneous current, and utilizes the high-frequency current sensor and the direct current signal converter to realize the collection of the instantaneous voltage and the conversion of current signals, so that the collection difficulty of local electric signals of the enameled wire body is effectively reduced, the PDIV test work of the enameled wire body is facilitated, the device is convenient to operate, the structure is simple, the test cost is reduced, and the practicability is higher.

Description

Polyimide enameled wire PDIV test equipment

Technical Field

The utility model relates to the technical field related to testing equipment, in particular to polyimide enameled wire PDIV testing equipment.

Background

PDIV, which means the partial discharge starting voltage, can prevent the partial discharge from happening if PDIV is high. Corona discharge of a wire is an ionization phenomenon of air around the wire under the action of a strong electric field, and the generation of the corona discharge is related to the wire and the condition of the air around the wire; the air around the wire is ionized because the electric field intensity of the surface of the wire exceeds a certain critical value, so that the original ions in the air have enough kinetic energy to strike other uncharged molecules, the latter are ionized, and finally the part of the air is formed to be conductive, the Partial Discharge Initial Voltage (PDIV) is also called critical voltage, the voltage is the voltage when corona discharge starts to occur, and the electric field intensity corresponding to the voltage is called initial corona field intensity or critical field intensity;

when the PDIV test is carried out on the enameled wire, high-frequency instantaneous current can be generated, the high-frequency instantaneous current is difficult to directly sample, expensive instruments such as a data acquisition card and a high-frequency oscilloscope are needed, the use cost is high, and the low-cost test work of the enameled wire is inconvenient.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a polyimide enameled wire PDIV test apparatus, which solves or alleviates the technical problems existing in the prior art, and at least provides a beneficial choice.

The technical scheme of the embodiment of the utility model is realized as follows: polyimide enameled wire PDIV test equipment, including the test box, the interior bottom wall fixedly connected with detection frame of test box, the last fixedly connected with of detection frame has two supporting seats, every the inner wall of supporting seat all articulates test electricity through the round pin axle and presss from both sides, two test electricity presss from both sides and presss from both sides the common enameled wire body that holds, every the equal electric connection of electrode end of test electricity clamp has test cable, the interior roof fixedly connected with high frequency voltage pulse releaser of detection frame, the both ends are close to each other with two test cable one end electric connection respectively about the high frequency voltage pulse releaser, the interior roof fixedly connected with high frequency current sensor of test box, the enameled wire body is located the inside of high frequency current sensor detection end, the front fixedly connected with direct current signal converter and the controller of test box, direct current signal converter passes through wire and high frequency current sensor and controller electric connection respectively, the controller includes display screen and operation panel, the front of test box has insulating protection door through two hinges.

In some embodiments, the front surface of the insulating protective door is fixedly inlaid with a glass observation frame, and the front surface of the insulating protective door is fixedly connected with a switch handle.

In some embodiments, a scram knob is fixedly connected to the front of the test box, and the scram knob is located on the right side of the controller.

In some embodiments, an insulating pad is fixedly connected to an outer surface of each test electrical clamp, and a set of anti-skid patterns are formed on the outer surface of each insulating pad.

In some embodiments, the back of the test box is fixedly connected with an operation nameplate, and the operation nameplate is positioned in the middle of the test box.

In some embodiments, the bottom surface of the test box is fixedly connected with two groups of supporting legs, the bottom end of each supporting leg is fixedly connected with a rubber pad, and two mounting holes are formed in the upper surface of each supporting leg.

By adopting the technical scheme, the embodiment of the utility model has the following advantages:

1. according to the utility model, through the high-frequency voltage pulse releaser, the high-frequency current sensor and the direct current signal converter, corresponding voltage generated by the high-frequency voltage pulse releaser can be used for stably and uniformly supplying voltage to the enameled wire body to generate instantaneous current, the high-frequency current sensor and the direct current signal converter are used for realizing the acquisition of the instantaneous voltage and the conversion of the current signal, the low-frequency signal is reduced, the sampling difficulty of local electric signals of the enameled wire body is effectively reduced, and the PDIV test work of the enameled wire body is facilitated.

2. The polyimide enameled wire PDIV testing equipment is convenient to operate, simple in structure, low in testing cost and high in practicability through the arranged controller, the display screen and the operation panel.

The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a test chamber according to the present utility model;

FIG. 2 is a cross-sectional view of a front view of the test case of the present utility model;

FIG. 3 is a rear view of the test cassette of the present utility model;

fig. 4 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

Reference numerals: 1. a test box; 2. a glass viewing frame; 3. an insulating protective door; 4. a DC signal converter; 5. a controller; 6. a display screen; 7. an operation panel; 8. a scram knob; 9. a switch handle; 10. a rubber pad; 11. support legs; 12. a detection frame; 13. a test cable; 14. a support base; 15. testing the electric clamp; 16. a high-frequency current sensor; 17. a mounting hole; 18. an enameled wire body; 19. a high frequency voltage pulse releaser; 20. operating a nameplate; 21. an insulating pad; 22. anti-skid lines.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, the embodiment of the utility model provides polyimide enameled wire PDIV test equipment, which comprises a test box 1, wherein a detection frame 12 is fixedly connected to the inner bottom wall of the test box 1, two supporting seats 14 are fixedly connected to the upper surface of the detection frame 12, the inner wall of each supporting seat 14 is hinged with a test electric clamp 15 through a pin shaft, the two test electric clamps 15 jointly clamp enameled wire bodies 18, the electrode ends of each test electric clamp 15 are electrically connected with a test cable 13, the inner top wall of the detection frame 12 is fixedly connected with a high-frequency voltage pulse releaser 19, the left end and the right end of the high-frequency voltage pulse releaser 19 are respectively and electrically connected with one end, close to the two test cables 13, of the inner top wall of the test box 1 is fixedly connected with a high-frequency current sensor 16, the enameled wire bodies 18 are positioned in the detection ends of the high-frequency current sensor 16, the front surface of the test box 1 is fixedly connected with a direct-current signal converter 4 and a controller 5, the direct-current signal converter 4 is respectively and electrically connected with the high-frequency current sensor 16 and the controller 5 through wires, the controller 5 comprises a display screen 6 and an operation panel 7, and the front surface of the test box 1 is hinged with two protection doors 3 through two hinges.

In one embodiment, the glass observation frame 2 is fixedly inlaid on the front surface of the insulating protective door 3, and the switch handle 9 is fixedly connected on the front surface of the insulating protective door 3, so that a worker can observe the inside of the test box 1 more conveniently, and the test work of the enameled wire body 18PDIV is facilitated.

In one embodiment, the front surface of the test box 1 is fixedly connected with a scram knob 8, and the scram knob 8 is positioned on the right side of the controller 5, so that the emergency stop can be performed on the test equipment, and the safety test work of the enameled wire body 18PDIV is facilitated.

In one embodiment, the outer surface of each test electric clamp 15 is fixedly connected with an insulating pad 21, and a group of anti-slip patterns 22 are formed on the outer surface of each insulating pad 21, so that a worker can hold the test electric clamp 15 more stably and safely, and the clamping work of the enameled wire body 18 is facilitated.

In one embodiment, the operation nameplate 20 is fixedly connected to the back of the test box 1, and the operation nameplate 20 is located in the middle of the test box 1, so that the test flow can be described, and the operation work of staff can be facilitated.

In an embodiment, the bottom surface fixedly connected with two sets of supporting legs 11 of test box 1, the equal fixedly connected with rubber pad 10 in bottom of every supporting leg 11, two mounting holes 17 have all been seted up to the upper surface of every supporting leg 11, can install fixedly to test box 1, effectively increase the stability of test box 1.

The utility model works when in work: firstly, the test box 1 is installed and fixed through the supporting legs 11, the rubber pads 10 and the mounting holes 17, then the test equipment is electrified, the switch handle 9 is moved to open the insulating protective door 3, the tested enameled wire body 18 is placed into the test box 1, the enameled wire body 18 is clamped by the test electric clamp 15, the operation panel 7 is clicked, the high-frequency voltage pulse releaser 19 works to generate different voltages, the enameled wire body 18 is uniformly and automatically boosted to generate local instantaneous high-frequency current, meanwhile, the high-frequency instantaneous current is acquired by the high-frequency current sensor 16, the acquired electric signal is transmitted into the DC signal converter 4 and converted into a low-frequency signal, then the acquisition of the low-frequency signal is performed by the acquisition device in the display screen 6, and the data display is performed by the display screen 6, so that the test work of the enameled wire body 18PDIV is realized.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. Polyimide enameled wire PDIV test equipment, its characterized in that: comprises a test box (1), a detection frame (12) is fixedly connected with the inner bottom wall of the test box (1), two supporting seats (14) are fixedly connected with the upper surface of the detection frame (12), each supporting seat (14) is hinged with a test electric clamp (15) through a pin shaft, two test electric clamps (15) are jointly clamped with an enameled wire body (18), each electrode end of the test electric clamp (15) is electrically connected with a test cable (13), the inner top wall of the detection frame (12) is fixedly connected with a high-frequency voltage pulse releaser (19), the left end and the right end of the high-frequency voltage pulse releaser (19) are respectively electrically connected with one ends of the two test cables (13) close to each other, the inner top wall of the test box (1) is fixedly connected with a high-frequency current sensor (16), the enameled wire body (18) is positioned in the inner part of the detection end of the high-frequency current sensor (16), the front surface of the test box (1) is fixedly connected with a direct-current signal converter (4) and a controller (5), the direct-current signal converter (4) and the controller (5) are electrically connected with the high-frequency current sensor (6) through the high-frequency current sensor (16), the front of the test box (1) is hinged with an insulating protective door (3) through two hinges.

2. The polyimide enameled wire PDIV test apparatus according to claim 1, wherein: the front of the insulating protective door (3) is fixedly inlaid with a glass observation frame (2), and the front of the insulating protective door (3) is fixedly connected with a switch handle (9).

3. The polyimide enameled wire PDIV test apparatus according to claim 1, wherein: the front of the test box (1) is fixedly connected with a scram knob (8), and the scram knob (8) is positioned on the right side of the controller (5).

4. The polyimide enameled wire PDIV test apparatus according to claim 1, wherein: the outer surface of each test electric clamp (15) is fixedly connected with an insulating pad (21), and a group of anti-skid patterns (22) are formed on the outer surface of each insulating pad (21).

5. The polyimide enameled wire PDIV test apparatus according to claim 1, wherein: the back fixedly connected with operation nameplate (20) of test box (1), operation nameplate (20) are located the middle part of test box (1).

6. The polyimide enameled wire PDIV test apparatus according to claim 1, wherein: two groups of supporting legs (11) are fixedly connected to the bottom surface of the test box (1), rubber pads (10) are fixedly connected to the bottom ends of the supporting legs (11), and two mounting holes (17) are formed in the upper surface of each supporting leg (11).