CN217506027U - Component partial discharge test box - Google Patents

Abstract

The utility model discloses a component partial discharge test box, which comprises an insulating box body, wherein an openable insulating door is arranged on the box body, a power switch is arranged outside the box body, a test bed is arranged in the box body, a high-voltage discharger is arranged on the bottom surface of the test bed, four vertically arranged metal insertion tubes are uniformly distributed on the top surface of the test bed, and the lower ends of the metal insertion tubes extend out of the bottom surface of the test bed and are connected with the high-voltage discharger through wires; the test bed is provided with a copper-clad plate in an erected mode, the copper-clad plate is provided with a detachable component connecting seat and four pins which are arranged around the component connecting seat, and the pins are vertically arranged downwards and are in one-to-one corresponding insertion connection with the metal insertion tubes; a camera is further arranged in the box body and is positioned right above the copper-clad plate; the utility model discloses not only can carry out the partial discharge test to components and parts, not influenced by external environment, improve experimental accuracy, effectively improve the security moreover.

Description

Component partial discharge test box

Technical Field

The utility model relates to a discharge test case especially relates to a components and parts partial discharge test case.

Background

The components are applied to various circuits, in particular to components of an insulating circuit, such as a digital isolator connected between a primary circuit and a secondary circuit, and whether the components meet safety regulations and performance requirements or not is verified through related high-voltage tests; the high voltage test comprises: partial discharge, dielectric strength and surge tests; wherein, the first and the second end of the pipe are connected with each other,

partial discharge, which refers to electrical discharge in which insulation between conductors is only partially bridged, may or may not occur near the conductors;

the dielectric strength is the maximum electric field strength (namely, the dielectric breakdown is realized when the dielectric strength exceeds the field strength) which can be borne by the insulating material working in a strong electric field, and the insulating material needs to withstand corresponding voltage resistance values under different insulation grades;

in the surge test, the primary and secondary insulating materials should be able to withstand the surge impact caused by the transient voltage.

At present, a high-voltage test needs to be carried out by using a high-voltage test device and testing in a spacious environment with uncontrolled temperature, humidity and dust; during testing, a high-voltage warning line needs to be pulled, and a tester wears the insulating shoes and the insulating gloves to operate and directly observe the insulating shoes and the insulating gloves through human eyes; there is safe risk in this test process, because most components and parts bodies are less, dresses insulating gloves operation inconvenient moreover, has the scheduling operational problem that wastes time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a components and parts partial discharge test box is provided, this test box not only can carry out the partial discharge test to components and parts, and the test process does not receive external environment influence, effectively improves the security moreover.

Solve above-mentioned technical problem, the utility model discloses the technical scheme who adopts as follows.

A partial discharge test box for components comprises an insulating box body, wherein an openable insulating door is arranged on the box body, and a power switch is arranged outside the box body; the test bed is provided with a copper-clad plate in an erected mode, the copper-clad plate is provided with a detachable component connecting seat and four pins which are arranged around the component connecting seat, and the pins are vertically arranged downwards and are in one-to-one corresponding insertion connection with the metal insertion tubes; and a camera is also arranged in the box body and is positioned right above the copper-clad plate.

On the basis of the technical scheme, the utility model discloses can do following improvement:

furthermore, a quick-mounting groove is formed in the middle of the copper-clad plate, and the component connecting seat is installed in the quick-mounting groove.

Further, the quick-mounting groove is an elongated groove, and the component connecting seat is slidably mounted in the quick-mounting groove and slides along the length direction of the quick-mounting groove.

Furthermore, the bottom surface of the copper-clad plate is provided with a plastic bottom shell, the plastic bottom shell is opposite to the quick-mounting groove, the top surface of the copper-clad plate is provided with a rectangular-shaped plastic cover used for shielding the component connecting seat, the rectangular-shaped plastic cover is opposite to the plastic bottom shell up and down and is connected with the plastic bottom shell through plastic bolts, and the copper-clad plate is provided with through holes used for penetrating the plastic bolts.

Furthermore, the top surface of the square-shaped plastic cover is higher than the top surface of the component arranged on the component connecting seat.

Furthermore, a first sealing ring is arranged between the square-shaped plastic cover and the copper-clad plate, and a first sealing ring groove corresponding to the first sealing ring is arranged on the bottom surface of the square-shaped plastic cover; and a second sealing ring is arranged between the plastic bottom shell and the copper-clad plate, and a second sealing ring groove corresponding to the second sealing ring is arranged on the top surface of the plastic bottom shell.

Further, the height of the metal cannula is larger than that of the plastic bottom shell.

Further, the outside of box still is equipped with status indicator lamp.

Furthermore, an observation window is arranged on the insulated door, and explosion-proof glass is arranged on the observation window.

Further, the proof box still includes the safety door switch, and the emergency exit switch includes safety door switch main part and the bolt with emergency exit switch main part grafting cooperation, and safety door switch main part is installed on the box, the bolt is installed on insulated door, when making the proof box close the door, the circuit is in the on-state, or when opening the door, the circuit is in the outage state.

Compared with the prior art, the utility model discloses the technique has following advantage:

(1) the utility model discloses a be equipped with the test bench in the box, be equipped with the copper-clad plate on the test bench, be equipped with the components and parts connecting seat on the copper-clad plate, before experimental, install the components and parts that await measuring on the components and parts connecting seat earlier, put the copper-clad plate into the test bench and make the pin on the copper-clad plate insert in the metal jack on the test bench again, close insulated door, press switch and can test, the components and parts are in an inclosed space in whole test process, do not influenced by external environment, and testing personnel also need not dress insulating gloves and insulating shoes, and the security is high, convenient operation;

(2) the camera is arranged in the box body of the utility model, so that the whole test process can be recorded, and the traceability in the follow-up research is facilitated;

(3) the copper-clad plate of the utility model is provided with the quick-mounting groove, the corresponding element connecting seat can be quickly replaced according to the tested element, and the applicability is high;

(4) the utility model discloses a bottom surface of copper-clad plate is equipped with the plastics drain pan, and the copper-clad plate top surface is equipped with back font plastic casing, can avoid experimental production corona, draw the arc phenomenon to appear, improves experimental accuracy.

Drawings

The invention will be described in detail with reference to the drawings and specific embodiments

FIG. 1 is a schematic structural diagram of a partial discharge test chamber of a component in an embodiment;

FIG. 2 is a cross-sectional view of the plastic bottom shell and the zigzag plastic cover mounted on the copper-clad plate in the embodiment;

fig. 3 is a top view of the copper-clad plate in the embodiment.

Reference numbers on the drawings: the device comprises a box body 1, an insulating door 2, an observation window 2a, a power switch 3, a test bed 4, a high-voltage discharger 5, a metal insertion tube 6, a copper-clad plate 7, a pin 7a, a quick-mounting groove 7b, a through hole 7c, a component connecting seat 8, a camera 9, a plastic bottom shell 10, a plastic cover 11-in-the-square shape, a first sealing ring 12, a second sealing ring 13, a state indicator lamp 14, a safety door switch 15, a safety door switch main body 15a and a bolt 15 b.

Detailed Description

Referring to fig. 1 to 3, the partial discharge test box for the components in the embodiment includes an insulating box 1, an openable insulating door 2 is arranged on the box 1, the insulating door 2 is hinged to the box 1 through a hinge, the insulating door 2 and the box 1 are both made of plastic, and a power switch 3 is arranged outside the box 1; a test bed 4 is arranged in the box body 1, a high-voltage discharger 5 is arranged on the bottom surface of the test bed 4, four vertically-arranged metal insertion tubes 6 are uniformly distributed on the top surface of the test bed 4, and the lower ends of the metal insertion tubes 6 extend out of the bottom surface of the test bed 4 and are connected with the high-voltage discharger 5 through conducting wires; a copper-clad plate 7 is erected on the test bed 4, a detachable component connecting seat 8 and four pins 7a arranged around the component connecting seat 8 are arranged on the copper-clad plate 7, and the pins 7a are vertically arranged downwards and are correspondingly inserted into the metal inserting tubes 6 one by one; a camera 9 is also arranged in the box body 1, and the camera 9 is positioned right above the copper-clad plate 7; before testing, the component to be tested is installed on the component connecting seat, the copper-clad plate is placed on the test bench, pins on the copper-clad plate are inserted into metal inserting tubes on the test bench, the insulating door is closed, and the power switch is pressed to carry out testing; therefore, the safety of the component partial discharge test box in the embodiment is high, the operation is convenient, the whole test process can be recorded, and the tracing to the source in the follow-up research is facilitated.

Copper-clad plate 7's in this embodiment centre department is equipped with fast-assembling groove 7b, and fast-assembling groove 7b is an elongated slot, and component connecting seat 8 slidable mounting just slides along fast-assembling groove 7b length direction in fast-assembling groove 7b, can be according to the component tested, and the corresponding component connecting seat of quick replacement to improve the suitability.

The bottom surface of the copper-clad plate 7 in the embodiment is provided with a plastic bottom shell 10, the plastic bottom shell 10 is opposite to the quick-assembly groove 7b, the top surface of the copper-clad plate 7 is provided with a rectangular-shaped plastic cover 11 for shielding the component connecting seat 8, the rectangular-shaped plastic cover 11 is opposite to the plastic bottom shell 10 up and down and is connected with each other through a plastic bolt, and the copper-clad plate 7 is provided with a through hole 7c for penetrating through the plastic bolt; the top surface of the rectangular-shaped plastic cover 11 is higher than the top surface of the component arranged on the component connecting seat 8, so that the phenomena of corona and arc discharge generated in the test can be avoided, and the accuracy of the test is improved; a first sealing ring 12 is arranged between the square-shaped plastic cover 11 and the copper-clad plate 7, and a first sealing ring groove corresponding to the first sealing ring 12 is arranged on the bottom surface of the square-shaped plastic cover 11; a second sealing ring 13 is arranged between the plastic bottom shell 10 and the copper-clad plate 7, and a second sealing ring groove corresponding to the second sealing ring 13 is arranged on the top surface of the plastic bottom shell 10, so that insulating oil in the plastic bottom shell is prevented from leaking; the metal cannula 6 has a height greater than the height of the plastic bottom shell 10.

The outer part of the box body in the embodiment is also provided with a status indicator lamp 14, so that a tester can visually know the running status of the test box; an observation window 2a is arranged on the insulating door 2, and explosion-proof glass is arranged on the observation window 2a, so that experimenters can conveniently observe experimental conditions in the experimental box; the proof box still includes emergency exit switch 15, emergency exit switch 15 includes emergency exit switch main part 15a and pegs graft complex bolt 15b with emergency exit switch main part 15a, emergency exit switch main part 15a installs on box 1, bolt 15b installs on insulated door 2, when making the proof box close the door, the circuit is in the on-state, or when opening the door, the circuit is in the outage state, thereby further improve the security of experimental box, prevent that the experimenter from opening the occurence of failure that the insulated door leads to the electric shock by mistake in the process of the test.

The above embodiments of the present invention are not limited to the protection scope of the present invention, the present invention is not limited to this, all kinds of according to the above content of the present invention, according to the common technical knowledge and the conventional means in this field, without departing from the above basic technical idea of the present invention, it is right to the above structure of the present invention makes other various modifications, replacements or changes, all should fall within the protection scope of the present invention.

Claims (10)

1. A component partial discharge test box comprises an insulating box body, wherein an openable insulating door is arranged on the box body, and a power switch is arranged outside the box body; the test bed is provided with a copper-clad plate in an erected mode, the copper-clad plate is provided with a detachable component connecting seat and four pins which are arranged around the component connecting seat, and the pins are vertically arranged downwards and are in one-to-one corresponding insertion connection with the metal insertion tubes; and a camera is also arranged in the box body and is positioned right above the copper-clad plate.

2. The test box for partial discharge of components according to claim 1, wherein a quick-mounting slot is arranged in the middle of the copper-clad plate, and the component connecting seat is installed in the quick-mounting slot.

3. A component partial discharge test chamber as claimed in claim 2, wherein the quick-mounting slot is an elongated slot, and the component connecting socket is slidably mounted in the quick-mounting slot and slides along a length direction of the quick-mounting slot.

4. The test box for partial discharge of components according to claim 2, wherein the bottom surface of the copper-clad plate is provided with a plastic bottom shell, the plastic bottom shell is opposite to the quick-mounting groove, the top surface of the copper-clad plate is provided with a rectangular-shaped plastic cover for shielding the component connecting seat, the rectangular-shaped plastic cover and the plastic bottom shell are opposite up and down and are connected with each other through plastic bolts, and the copper-clad plate is provided with through holes for passing through the plastic bolts.

5. A component partial discharge test chamber as claimed in claim 4, wherein the top surface of the rectangular-shaped plastic cover is higher than the top surface of the component mounted on the component mounting base.

6. A test box for partial discharge of components as claimed in claim 5, wherein a first sealing ring is arranged between the square-shaped plastic cover and the copper-clad plate, and a first sealing ring groove corresponding to the first sealing ring is arranged on the bottom surface of the square-shaped plastic cover; and a second sealing ring is arranged between the plastic bottom shell and the copper-clad plate, and a second sealing ring groove corresponding to the second sealing ring is arranged on the top surface of the plastic bottom shell.

7. The component partial discharge test chamber of claim 6, wherein the height of the metal insertion tube is greater than the height of the plastic bottom shell.

8. A test chamber for partial discharge of components as claimed in any one of claims 1 to 7, wherein a status indicator light is further provided outside the chamber.

9. A test chamber for partial discharge of components as claimed in claim 8, wherein the insulating door is provided with an observation window, and explosion-proof glass is mounted on the observation window.

10. The test box for partial discharge of components according to claim 8, further comprising a safety door switch, wherein the safety door switch comprises a safety door switch main body and a plug pin in plug-in fit with the safety door switch main body, the safety door switch main body is installed on the box body, and the plug pin is installed on the insulating door, so that when the test box is closed, the circuit is in a power-on state, or when the test box is opened, the circuit is in a power-off state.

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