CN221148911U - Withstand voltage test equipment of multi-functional electrical measurement of three-phase - Google Patents

Abstract

The utility model discloses a three-phase multifunctional electric measuring withstand voltage test device, which comprises a test body, wherein the outer side of the test body is provided with a shell, the front side of the shell is provided with an opening corresponding to the front side of the test body, the front side of the test body is fixed at the opening, the rear side of the test body is provided with a heat conducting block, the rear side of the heat conducting block is fixed on the rear side wall in the shell, the middle part of the heat conducting block is provided with a communication hole, the side wall of the test body is fixedly provided with a plurality of heat conducting fins, a ventilation structure is arranged between the heat conducting fins and the inner side wall of the shell, and the top of the shell is provided with an air inlet fan and is communicated with the ventilation structure; the heat of the test body is rapidly led out through the heat conducting fin and the heat conducting block, the air inlet machine sucks outside air into the ventilation structure to dissipate heat of the heat conducting fin and the communication hole at the heat conducting block, and therefore the test body is enabled to dissipate heat.

Description

Withstand voltage test equipment of multi-functional electrical measurement of three-phase

Technical Field

The utility model relates to the technical field of withstand voltage test equipment, in particular to three-phase multifunctional electric measuring withstand voltage test equipment.

Background

With the continuous development of power systems, requirements on power quality and electrical safety are increasing. To meet these requirements, electrical power systems need to be tested and monitored using various types of electrical instrumentation. The three-phase multifunctional electric measuring instrument is a common electric measuring instrument, can measure parameters such as voltage, current, power and the like, and has the functions of data acquisition, display, storage and the like.

After the three-phase multifunctional electric meter is produced, a withstand voltage test is required to be carried out on the three-phase multifunctional electric meter, whether the three-phase multifunctional electric meter can normally work under high voltage or not and the capability of the three-phase multifunctional electric meter for bearing the high voltage are measured, and common withstand voltage test equipment can generate heat during detection work;

Most of the existing withstand voltage test equipment is naturally radiating, slowly cooling, long radiating time, poor radiating effect and capability of affecting the performance of the withstand voltage test equipment when working at high temperature for a long time, therefore, the withstand voltage test equipment for the three-phase multifunctional electric meter is provided.

Disclosure of utility model

Aiming at the prior art problems, the utility model provides three-phase multifunctional electric measuring withstand voltage testing equipment, and aims to solve the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a withstand voltage test equipment of multi-functional electricity of three-phase meter, includes the test body, and the outside of test body is equipped with the shell, the shell front side corresponds the test body front side and is equipped with the opening, the test body front side is fixed in the opening part, and the test body rear side is equipped with the heat conduction piece, the heat conduction piece trailing flank is fixed on the inside back lateral wall of shell, the fixed a plurality of conducting strips that are equipped with of test body lateral wall, be equipped with ventilation structure between leading-in strip and the shell inside wall, the shell top is equipped with the air inlet machine to communicate with ventilation structure, shell back lateral wall downside is equipped with the air outlet.

Preferably, the ventilation structure comprises a plurality of annular ventilation pipes, the annular ventilation pipes are arranged on the upper sides of the heat conducting fins of the test body in a surrounding mode, a plurality of ventilation holes are formed in one sides of the annular ventilation pipes, corresponding to the heat conducting fins, of the annular ventilation pipes, an air inlet is formed in the upper side face of each annular ventilation pipe, corresponding to the air inlet machine, of each annular ventilation pipe, and the air inlet machine is communicated with the air inlet.

Preferably, the vent holes are provided between adjacent heat conductive sheets.

Preferably, a first dust screen is arranged at the position of the shell corresponding to the air inlet end of the air inlet machine.

Preferably, a second dust screen is arranged at the air outlet of the shell.

Preferably, a communication hole is arranged in the middle of the heat conducting block.

Compared with the prior art, the utility model has the following beneficial effects:

According to the three-phase multifunctional electric-measuring withstand voltage testing equipment provided by the utility model, the heat in the testing body is rapidly conducted out by the heat conducting fins and the heat conducting blocks, then the outside air is sucked into the annular ventilation pipe through the air inlet fan, ventilation and heat dissipation are carried out between the heat conducting fins through the ventilation holes, the heat on the heat conducting fins is taken away, the heat is rapidly dissipated, the air can flow in the heat conducting blocks through the communication holes, the heat of the heat conducting blocks is taken away, and the heat is further dissipated; then the dust is discharged out of the shell through the air outlet, and meanwhile, a first dust screen and a second dust screen are arranged at the air inlet machine and the air outlet, so that the dust entering during air inlet is reduced.

Drawings

FIG. 1 is a schematic front view of a three-phase multifunctional electrical measurement withstand voltage test device according to the present utility model;

FIG. 2 is an enlarged view of the A position of the three-phase multifunctional electric meter withstand voltage test equipment according to the utility model;

FIG. 3 is a side sectional view of a three-phase multi-functional electrical test device for testing withstand voltage according to the present utility model.

In the figure: 1. a test body; 2. a housing; 21. a first dust screen; 22. a second dust screen; 3. a heat conduction block; 31. a communication hole; 4. a heat conductive sheet; 5. a ventilation structure; 51. an annular vent tube; 52. a vent hole; 53. an air inlet; 6. a wind inlet machine; 7. and an air outlet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the embodiment of the present application is as follows: the utility model provides a withstand voltage test equipment of multi-functional electrical test of three-phase, including test body 1, test body 1's outside is equipped with shell 2, shell 2 front side is equipped with the opening corresponding to test body 1 front side, test body 1 front side is fixed in the opening part, test body 1 rear side is equipped with heat conduction piece 3, heat conduction piece 3 trailing flank is fixed on shell 2 inside back lateral wall, heat conduction piece 3 middle part is equipped with intercommunicating pore 31, test body 1 lateral wall is fixed and is equipped with a plurality of conducting strips 4, be equipped with ventilation structure 5 between conducting strip 4 and the shell 1 inside wall, shell 2 top is equipped with air inlet machine 6, and with ventilation structure 5 intercommunication, shell 2 is equipped with first dust screen 21 corresponding to air inlet machine 6 air inlet end department of shell 2, shell 2 back lateral wall downside is equipped with air outlet 7, shell 2 air outlet 7 department is equipped with second dust screen 22;

The heat of the test body 1 is rapidly led out through the heat conducting fin 4 and the heat conducting block 3, the air inlet machine 6 sucks outside air into the ventilation structure 5 to cool the heat conducting fin 4 and the communication hole 31 at the heat conducting block 3, the first dust screen 21 and the second dust screen 22 are arranged at the air inlet machine 6 and the air outlet 7, the entering of dust is reduced during air inlet, and the influence on the cooling effect is avoided.

In another embodiment, referring to fig. 1 to 3, the ventilation structure 5 includes a plurality of annular ventilation pipes 51, which are enclosed on the upper sides of the heat conducting fins 4 of the test body 1, one side of each annular ventilation pipe 51 corresponding to each heat conducting fin 4 is provided with a plurality of ventilation holes 52, each ventilation hole 52 is arranged between adjacent heat conducting fins 4, an air inlet 53 is arranged on the upper side of each annular ventilation pipe 51 corresponding to the air inlet 6, and the air inlet 6 is communicated with the air inlet 53;

the air in the annular ventilation pipe 51 dissipates heat at the adjacent heat conducting fins 4 through the ventilation holes 52, so that heat dissipation is more accurate and timely, and the heat dissipation effect is improved.

Working principle: according to the three-phase multifunctional electric measuring withstand voltage testing equipment provided by the utility model, the heat in the testing body 1 is rapidly led out by the heat conducting fins 4 and the heat conducting blocks 3, then the outside air is sucked into the annular ventilation pipe 51 through the air inlet fan 6, ventilation and heat dissipation are carried out between the heat conducting fins 4 through the ventilation holes 52, the heat on the heat conducting fins 4 is taken away, the heat is rapidly dissipated, the air can flow in the heat conducting blocks 3 through the communication holes 31, the heat of the heat conducting blocks 3 is taken away, and the heat is further dissipated; then the dust is discharged out of the shell 2 through the air outlet 7, and meanwhile, a first dust screen 21 and a second dust screen 22 are arranged at the air inlet 6 and the air outlet 7, so that dust entering during air inlet is reduced.

It is noted that 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a withstand voltage test equipment of multi-functional electricity of three-phase table, includes test body (1), its characterized in that, the outside of test body (1) is equipped with shell (2), shell (2) front side corresponds test body (1) front side and is equipped with the opening, test body (1) front side is fixed in the opening part, and test body (1) rear side is equipped with heat conduction piece (3), heat conduction piece (3) trailing flank is fixed on the inside back lateral wall of shell (2), test body (1) lateral wall is fixed and is equipped with a plurality of conducting strips (4), be equipped with ventilation structure (5) between conducting strip (4) and shell (2) inside wall, shell (2) top is equipped with air inlet machine (6) to communicate with ventilation structure (5), shell (2) back lateral wall downside is equipped with air outlet (7).

2. The three-phase multifunctional electric measuring withstand voltage test device according to claim 1, wherein the ventilation structure (5) comprises a plurality of annular ventilation pipes (51) which are arranged on the upper side of the heat conducting fin (4) of the test body (1) in a surrounding mode, a plurality of ventilation holes (52) are formed in one side, corresponding to the heat conducting fin (4), of the annular ventilation pipes (51), an air inlet (53) is formed in the upper side surface of the annular ventilation pipes (51) corresponding to the air inlet fan (6), and the air inlet fan (6) is communicated with the air inlet (53).

3. The three-phase multifunctional electrical measuring withstand voltage test equipment according to claim 2, characterized in that the vent holes (52) are provided between adjacent heat conducting fins (4).

4. The three-phase multifunctional electric measuring withstand voltage test device according to claim 1, wherein a first dust screen (21) is arranged at the position of the casing (2) corresponding to the air inlet end of the air inlet machine (6).

5. The three-phase multifunctional electric measuring withstand voltage test device according to claim 1, characterized in that a second dust screen (22) is arranged at the air outlet (7) of the housing (2).

6. The three-phase multifunctional electric measuring withstand voltage test device according to claim 1, wherein a communication hole (31) is arranged in the middle of the heat conducting block (3).