CN218350375U

CN218350375U - Electric power harmonic wave analysis instrument

Info

Publication number: CN218350375U
Application number: CN202221877345.1U
Authority: CN
Inventors: 陈旭斌; 陈克; 陈勇
Original assignee: Ankeli Power Technology Co ltd
Current assignee: Ankeli Power Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-01-20
Anticipated expiration: 2032-07-14

Abstract

The utility model provides a power harmonic wave analysis instrument, which relates to the technical field of power detection and comprises an instrument main body, wherein the instrument main body is provided with an outer shell positioned outside; the outside of the outer case is provided with a cooling member that guides heat radiated to the outer case to the outside of the outer case. The cooling piece is arranged on the surface of the outer shell, the surface of the outer shell is cooled by utilizing the heat absorption of the cooling piece and the wind power generation, the temperature of the instrument main body is reduced, the aging of electronic components in the instrument main body caused by the heat generation is reduced, and the service life of the instrument main body is prolonged.

Description

Electric power harmonic wave analysis instrument

Technical Field

The utility model relates to an electric power detects technical field, especially relates to electric power harmonic analysis instrument.

Background

The harmonic wave can cause local parallel resonance or series resonance of a power system, so that the harmonic wave content is amplified, equipment such as a capacitor is burnt, relay protection and automatic device misoperation can be caused by the harmonic wave, and electric energy metering is disordered. Outside of the power system, harmonics can cause severe interference to communication equipment and electronic equipment.

When electric power harmonic analysis instrumentation and meter is analyzing the harmonic, can be in operating condition in the long time, insert the electric current back, because the continuous work of its heat effect and components and parts, can produce a large amount of heats, can lead to the ageing of components and parts fast, influence the life of instrument.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide electric power harmonic analysis instrument.

The utility model discloses a following technical means realizes solving above-mentioned technical problem: the power harmonic analysis meter comprises a meter main body, wherein the meter main body is provided with an outer shell positioned outside; the outside of the outer case is provided with a cooling member that guides heat radiated to the outer case to the outside of the outer case.

Further, the cooling element is a first heat dissipation element and is located outside the outer shell to guide heat on the surface of the outer shell to the outside of the outer shell.

Furthermore, the first heat dissipation element comprises a cooling shell surrounding the outer portion of the outer shell, the cooling shell is in a closed loop shape, and the cooling shell is filled with coolant.

Furthermore, a plurality of first heat dissipation strips are embedded on the surface of the outer shell, and the end parts of the first heat dissipation strips penetrate through the inner wall of the cooling shell and extend to the surface of the cooling shell.

Further, the first heat dissipation strip is soaked inside by the coolant.

Further, the cooling element is a second heat dissipating element located outside the outer shell and guiding heat transferred to the surface of the outer shell to the outside of the outer shell.

Furthermore, the second heat dissipation part comprises a plurality of second heat dissipation strips embedded on the surface of the outer shell, and the second heat dissipation strips are T-shaped.

Further, a rubber air bag is tightly attached to the surface of the outer shell, and a coolant is filled in the rubber air bag; the horizontal end of the second heat dissipation strip extends to the inside of the rubber air bag and is soaked by the coolant.

Furthermore, the cooling element is a first heat dissipation element and a third heat dissipation element, and comprises a shielding plate arranged on the surface of the outer shell, an air outlet assembly is arranged between the shielding plate and the outer shell, and air flow flowing through the surface of the outer shell is output to form heat exchange.

Further, the air-out subassembly is including being located the motor between shielding plate and the shell body, the output of motor is connected with the flabellum.

The utility model has the advantages that:

the utility model discloses in, be provided with the cooling part through the surface at the outer casing, also be first radiating piece, second radiating piece, can utilize the heat absorption of self and produce wind-force, dispel the heat to the surface of outer casing, reduce the temperature of instrument main part to reduce the inside electronic components of instrument main part because generate heat and the ageing of bringing, extension instrument main part life.

Drawings

Fig. 1 is a schematic front view of the power harmonic analyzer of the present invention;

FIG. 2 is a schematic cross-sectional view of a first embodiment of the cooling element of the present invention;

FIG. 3 is a cross-sectional structural view of a second embodiment of the cooling element of the present invention;

FIG. 4 is a schematic cross-sectional view of a third embodiment of a cooling element according to the present invention;

fig. 5 is an enlarged schematic view of a structure in fig. 4 according to the present invention.

In the figure: 1. a meter main body; 11. an outer housing; 2. a first heat sink; 21. cooling the housing; 22. a first heat dissipation strip; 3. a second heat sink; 31. a rubber air bag; 32. a second heat dissipation strip; 4. a third heat sink; 41. a shielding plate; 42. a fan blade; 43. an electric motor.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

As shown in fig. 1 to 5, the power harmonic analysis meter of the present embodiment includes a meter main body 1, where the meter main body 1 has an outer casing 11 located outside; a cooling member is disposed outside the outer case 11, and guides heat emitted to the outer case 11 to the outside of the outer case 11, thereby achieving a heat dissipation effect.

The cooling element has 3 different embodiments, and may be a first heat dissipation element 2, a second heat dissipation element 3, or a third heat dissipation element 4.

Example 1

As shown in fig. 1 to 2, in the electric power harmonic analysis meter according to the present embodiment, the cooling element is a first heat sink 2, and by providing the first heat sink 2 outside the outer casing 11, heat inside the meter main body 1 is transferred to heat on the surface of the outer casing 11, and then is guided to the outside of the outer casing 11.

The first heat sink 2 includes a cooling casing 21 surrounding the outer casing 11, and the cooling casing 21 is of a closed loop shape, that is, the front and rear surfaces of the meter main body 1 are not covered; the cooling housing 21 is filled with a coolant, for example, transformer oil containing a main component of a compound such as alkane, naphthenic saturated hydrocarbon, aromatic unsaturated hydrocarbon, or the like.

As a further improvement, a plurality of first heat dissipation strips 22 may be embedded on the surface of the outer shell 11, and the end portions of the first heat dissipation strips 22 penetrate through the inner wall of the cooling shell 21 and extend to the surface thereof; wherein the coolant soaks the first heat dissipation strip 22 inside.

When the cooling device is used, the cooling shell 21 is arranged outside the outer shell 11, the effect of the coolant and the first heat dissipation strip 22 is utilized, heat on the surface of the outer shell 11 can be conducted out through heat absorption of the coolant and heat conduction of the first heat dissipation strip 22, and a heat dissipation effect is achieved on the instrument main body 1.

Example 2

As shown in fig. 1 and fig. 3, in the electric power harmonic analyzer of the present embodiment, the cooling element is a second heat dissipation element 3, and the second heat dissipation element 3 is disposed outside the outer housing 11, for example, a top end, a bottom end, or two sides of the second heat dissipation element 3; the heat transferred to the surface of the outer case 11 is transferred to the outside of the outer case 11, resulting in a heat dissipation effect.

The second heat dissipation member 3 includes a plurality of second heat dissipation strips 32 embedded in the surface of the outer shell 11, and the second heat dissipation strips 32 are T-shaped.

As a further improvement, a rubber bladder 31 is closely attached to the surface of the outer case 11, and the inside of the rubber bladder 31 is filled with a coolant, which may be the same as the coolant in the previous embodiment;

in use, the horizontal end of the second heat dissipation strip 32 extends into the rubber air bag 31 and is completely soaked by the coolant, wherein the rubber air bag 31 may be made of a material with certain elasticity, such as rubber, and is matched with the coolant contained in the rubber air bag 31 to play a role in cooling, and also can play a role in buffering and protecting the outer shell 11.

Example 3

Referring to fig. 1, 4 and 5, in the electric power harmonic analysis meter according to the present embodiment, the cooling element is a third heat dissipation element 4, and by providing the third heat dissipation element 4, an air flow is formed on the surface of the outer casing 11 to take away heat from the surface of the outer casing 11.

Referring to fig. 3 and 5, the third heat sink 4 includes a shielding plate 41 disposed on a surface of the outer casing 11, for example, on an upper surface, a lower surface, or left and right sides of the shielding plate 41; an air outlet assembly is arranged between the shielding plate 41 and the outer shell 11 to output air flow passing through the surface of the outer shell 11.

The air outlet assembly comprises a motor 43 located between the shielding plate 41 and the outer shell 11, the output end of the motor 43 is connected with a fan blade 42, the motor 43 is started to drive the fan blade 42 to rotate, air flow flowing through the surface of the outer shell 11 is formed, heat exchange is generated on the surface of the outer shell 11, and a heat dissipation effect is formed.

In this scheme, through being provided with the cooling part on the surface of outer casing 11, namely first radiating piece 2, second radiating piece 3, can utilize self heat absorption and produce wind-force, dispel the heat to the surface of outer casing 11, reduce the temperature of instrument main part 1 to reduce the ageing because generating heat and bring of the inside electronic components of instrument main part 1, extension instrument main part 1 life.

It is noted that, in this document, relational terms such as first and second, and the like, if any, 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 phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The power harmonic analysis meter comprises a meter main body (1), wherein the meter main body (1) is provided with an outer shell (11) positioned outside; the method is characterized in that: the outside of the outer shell (11) is provided with a cooling member for guiding the heat emitted to the outer shell (11) to the outside of the outer shell (11).

2. The power harmonic analysis meter of claim 1, wherein: the cooling part is a first cooling part (2) and is positioned outside the outer shell (11) and used for guiding heat on the surface of the outer shell (11) to the outside of the outer shell (11).

3. The power harmonic analysis meter of claim 2, wherein: the first heat dissipation element (2) comprises a cooling shell (21) surrounding the outer portion of the outer shell (11), the cooling shell (21) is of a closed loop shape, and the cooling shell (21) is filled with coolant.

4. The power harmonic analysis meter of claim 3, wherein: a plurality of first heat dissipation strips (22) are embedded on the surface of the outer shell (11), and the end parts of the first heat dissipation strips (22) penetrate through the inner wall of the cooling shell (21) and extend to the surface of the cooling shell.

5. The power harmonic analysis meter of claim 4, wherein: the first heat dissipation strip (22) is soaked inside with coolant.

6. The power harmonic analysis meter of claim 1, wherein: the cooling part is a second heat dissipation part (3) and is positioned outside the outer shell (11) and used for guiding heat transferred to the surface of the outer shell (11) to the outside of the outer shell (11).

7. The power harmonic analysis meter of claim 6, wherein: the second heat dissipation piece (3) comprises a plurality of second heat dissipation strips (32) embedded in the surface of the outer shell (11), and the second heat dissipation strips (32) are T-shaped.

8. The power harmonic analysis meter of claim 7, wherein: a rubber air bag (31) is tightly attached to the surface of the outer shell (11), and the interior of the rubber air bag (31) is filled with a coolant; the horizontal end of the second heat dissipation strip (32) extends to the inside of the rubber air bag (31) and is soaked by the coolant.

9. The power harmonic analysis meter of claim 1, wherein: the cooling part is that first heat dissipation piece (2) is third heat dissipation piece (4), and it is including setting up in shielding plate (41) on shell body (11) surface, is provided with the air-out subassembly between shielding plate (41) and shell body (11), and the output flows through the air current on shell body (11) surface, forms the heat exchange.

10. The power harmonic analysis meter of claim 9, wherein: the air outlet assembly comprises a motor (43) located between a shielding plate (41) and the outer shell (11), and the output end of the motor (43) is connected with fan blades (42).