CN213517318U

CN213517318U - Multifunctional electric power instrument with harmonic analysis

Info

Publication number: CN213517318U
Application number: CN202022312862.1U
Authority: CN
Inventors: 陈洋洋
Original assignee: Nanjing Kangdengmai New Energy Technology Co ltd
Current assignee: Nanjing Kangdengmai New Energy Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-22
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a multi-functional electric power instrument of taking harmonic analysis relates to electric power instrument technical field, for solving electric power instrument and all being the level usually and placing, the sight need roughly flush with electric power instrument during the observation, and high user when using needs low waist to observe when direct test data, has increased unnecessary time loss in the careless, and the function supplies and needs the not good problem of effect. One side of instrument housing is provided with the front panel, the opposite side of instrument housing is provided with the rear end cover board, and front panel and rear end cover board all laminate mutually with instrument housing, instrument housing's inside is provided with the circuit board, one side of front panel is provided with display screen, power button and test interface, instrument housing's below is provided with anti-skidding supporting leg, and anti-skidding supporting leg is provided with four, instrument housing's below is provided with the U type and rotates the support, be provided with the rotating pin between U type rotation support and the instrument housing.

Description

Multifunctional electric power instrument with harmonic analysis

Technical Field

The utility model relates to an electric power instrument technical field specifically is a multi-functional electric power instrument of taking harmonic analysis.

Background

The power meter provides a solution for power parameter measurement, power quality monitoring and analysis, and electrical equipment control. The fundamental reason for harmonic generation in the power system is due to the nonlinear load, the harmonic reduces the efficiency of production, transmission and utilization of electric energy, causes overheating of electrical equipment, vibration and noise generation, insulation aging, shortened service life, even failure or burnout, the harmonic can cause local parallel resonance or series resonance of the power system, the harmonic content is amplified, and devices such as capacitors and the like are burned out. Harmonic waves can also cause relay protection and automatic device malfunction, which makes electric energy metering chaotic. Outside of the power system, harmonics can cause severe interference to communication equipment and electronic equipment.

At present, the power instrument with harmonic analysis is generally horizontally placed, the sight line needs to be approximately level with the power instrument during observation, a tall user needs to observe at low waist when directly testing data during use, unnecessary time loss is increased inadvertently, the function supply and demand effect is poor, and the use requirement cannot be met. Therefore, a multifunctional power meter with harmonic analysis is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional electric power instrument of taking harmonic analysis to propose among the above-mentioned background art that electric power instrument all is the level generally and places, the sight need roughly flush with electric power instrument during the observation, high user when using needs low waist to observe when direct test data, increased unnecessary time loss carelessly, the not good problem of effect is required in the function supply.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional electric power meter with harmonic analysis comprises a meter shell, a front panel is arranged on one side of the meter shell, a rear end cover plate is arranged on the other side of the meter shell, the front panel and the rear end cover plate are both attached to the instrument shell, the instrument shell is internally provided with a circuit board, the circuit board is connected with the instrument shell through a screw, one side of the front panel is provided with a display screen, a power button and a test interface, the display screen, the power button and the test interface are all connected with the front panel through screws, the anti-skid supporting legs are arranged below the instrument shell, the number of the anti-skid supporting legs is four, the anti-skid supporting legs are connected with the instrument shell through screws, a U-shaped rotating bracket is arranged below the instrument shell, the U type rotates and is provided with the rotation pin between support and the instrument housing, and rotation pin and instrument housing and U type rotate the equal rotation of support and be connected.

Preferably, one side of the front panel is provided with an adjusting button and a function switching deflector rod, and the adjusting button and the function switching deflector rod are connected with the front panel through screws.

Preferably, one side of front panel and rear end cover plate is provided with first locking bolt and second locking bolt respectively, and the one end of first locking bolt and second locking bolt runs through front panel and rear end cover plate respectively and extends to the inside of meter housing, first locking bolt and second locking bolt all with meter housing threaded connection.

Preferably, the rear end cover plate is provided with heat dissipation holes, the heat dissipation fans are arranged inside the heat dissipation holes and are connected with the rear end cover plate through screws, one side of each heat dissipation fan is provided with a dustproof filter screen, and the dustproof filter screens are connected with the inner walls of the heat dissipation holes in a laminating mode.

Preferably, the upper end of meter housing is provided with accomodates the chamber, the top of accomodating the chamber is provided with the apron, and the apron rotates with meter housing to be connected, the edge of apron upper end is provided with the hand groove, and hand groove and apron punching press structure as an organic whole, one side of apron is provided with the fixed block, and the fixed block is provided with two, and the fixed block rotates with meter housing to be connected, two the fixed block all laminates mutually with the apron.

Preferably, the border position department of meter box upper end is provided with the recess, and the recess is provided with two, meter box's inside is provided with the cavity, and the cavity is provided with four, two the top of recess all is provided with the lifting rod, and the both ends of lifting rod all extend to the inside of cavity, lifting rod and meter box sliding connection, lifting rod's lower extreme is provided with the stopper, and the stopper passes through bolted connection with the lifting rod.

Preferably, the inside of meter housing is provided with insulating pad, and insulating pad is connected with meter housing's inner wall laminating.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a device passes through the U type and rotates support and setting, because the U type rotates and can rotate through the rotating pin between support and the instrument housing, can rotate the support rotation with the U type and open when using to promote certain height with the front end of instrument housing, be favorable to the user to observe the test data on the instrument, can also fold the U type and rotate the support and place the instrument level. The problem of different heights user observation angle not good is solved.

2. The utility model discloses a device is through the setting of accomodating chamber, apron and fixed block, accomodates the chamber and can accomodate the storage with being used for the required auxiliary assembly of this instrument test, and the apron then can be closed accomodating the chamber port, and the chamber of accomodating of avoiding auxiliary assembly is lost, and rotates the fixed block and then can carry out the centre gripping spacing to the apron, prevents effectively that the apron from spontaneously opening. The problem that the matched equipment cannot be taken in time when being placed and used at will is solved.

3. The utility model discloses a device is through the setting of lifting rod, cavity and stopper, will lift the pull rod and pull out and carry the instrument, and lift the pull rod and can slide with instrument housing, can accomodate it in the cavity when not using, and the stopper then can avoid breaking away from with the instrument when pulling out the lifting rod. The problem of instrument handling efficiency not good is solved.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a cross-sectional view of an instrument housing of the present invention;

fig. 4 is a connection relationship diagram of the lifting rod and the instrument housing according to the present invention.

In the figure: 1. an instrument housing; 2. a front panel; 3. anti-skid support legs; 4. a U-shaped rotating bracket; 5. a rotation pin; 6. a display screen; 7. a power button; 8. a first locking bolt; 9. a test interface; 10. adjusting a key; 11. a function switching deflector rod; 12. a cover plate; 13. a hand groove; 14. a fixed block; 15. lifting a pull rod; 16. a groove; 17. heat dissipation holes; 18. a heat radiation fan; 19. a dustproof filter screen; 20. a second locking bolt; 21. a circuit board; 22. an insulating pad; 23. a cavity; 24. a limiting block; 25. a receiving cavity; 26. a rear end cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a multifunctional electric power instrument with harmonic analysis comprises an instrument shell 1, a front panel 2 is arranged on one side of the instrument shell 1, a rear end cover plate 26 is arranged on the other side of the instrument shell 1, the front panel 2 and the rear end cover plate 26 are both attached to the instrument shell 1, a circuit board 21 is arranged inside the instrument shell 1, the circuit board 21 is connected with the instrument shell 1 through screws, a display screen 6, a power button 7 and a test interface 9 are arranged on one side of the front panel 2, the display screen 6, the power button 7 and the test interface 9 are all connected with the front panel 2 through screws, the display screen 6 can display test data, anti-skid support legs 3 are arranged below the instrument shell 1, the anti-skid support legs 3 are four, the anti-skid support legs 3 are connected with the instrument shell 1 through screws, the instrument can be horizontally placed by the anti-skid support legs 3, a U-shaped rotating support 4 is arranged below the instrument shell 1, be provided with rotation pin 5 between U type rotation support 4 and the instrument housing 1, and rotation pin 5 rotates support 4 with instrument housing 1 and U type and all rotates to be connected, rotates U type rotation support 4 and can promote certain height with the front end of instrument to place the instrument up, be convenient for observe data.

Further, one side of the front panel 2 is provided with an adjusting button 10 and a function switching deflector rod 11, and the adjusting button 10 and the function switching deflector rod 11 are both connected with the front panel 2 through screws. The working mode of the instrument can be switched through the adjusting key 10 and the function switching deflector rod 11, and the test data can be adjusted.

Further, one side of front panel 2 and rear end cover plate 26 is provided with first locking bolt 8 and second locking bolt 20 respectively, and the one end of first locking bolt 8 and second locking bolt 20 runs through front panel 2 and rear end cover plate 26 respectively and extends to the inside of meter housing 1, and first locking bolt 8 and second locking bolt 20 all with meter housing 1 threaded connection. The front panel 2 and the rear end cover 26 can be fixed to the instrument housing 1 by means of the first locking bolt 8 and the second locking bolt 20.

Further, the rear end cover plate 26 is provided with heat dissipation holes 17, the heat dissipation fans 18 are arranged inside the heat dissipation holes 17, the heat dissipation fans 18 are connected with the rear end cover plate 26 through screws, one side of each heat dissipation fan 18 is provided with a dustproof filter screen 19, and the dustproof filter screens 19 are connected with the inner walls of the heat dissipation holes 17 in a fitting mode. The air flow inside the heat dissipation holes 17 is accelerated by the heat dissipation fan 18, so that the heat inside the heat dissipation holes can be dissipated, and the dustproof filter screen 19 can prevent external dust from entering the heat dissipation holes.

Further, the upper end of meter housing 1 is provided with accomodates the chamber 25, and the top of accomodating chamber 25 is provided with apron 12, and apron 12 rotates with meter housing 1 to be connected, and the edge of the upper end of apron 12 is provided with hand groove 13, and hand groove 13 and apron 12 punching press structure as an organic whole, and one side of apron 12 is provided with fixed block 14, and fixed block 14 is provided with two, and fixed block 14 rotates with meter housing 1 to be connected, and two fixed blocks 14 all laminate mutually with apron 12. The storage cavity 25 and the cover plate 12 can store the supporting equipment, and the fixing block 14 can prevent the cover plate 12 from being opened artificially.

Further, the border position department of meter housing 1 upper end is provided with recess 16, recess 16 is provided with two, meter housing 1's inside is provided with cavity 23, cavity 23 is provided with four, two recess 16's top all is provided with lifting rod 15, and lifting rod 15's both ends all extend to the inside of cavity 23, lifting rod 15 and meter housing 1 sliding connection, lifting rod 15's lower extreme is provided with stopper 24, and stopper 24 passes through the screw connection with lifting rod 15. The instrument can be conveniently carried by the lifting rod 15, and the unused lifting rod 15 can be stored in the cavity 23.

Further, an insulating pad 22 is disposed inside the meter housing 1, and the insulating pad 22 is attached to the inner wall of the meter housing 1. The insulating pad 22 can isolate the electromagnetic effect, thereby improving the use safety performance.

The working principle is as follows: during the use, rotate U type according to the user demand and rotate support 4, promote the front end of instrument the take the altitude can, switch on the instrument, be connected the test wire with test interface 9 and power equipment respectively, press power button 7 and can gather the analysis to the harmonic in the electric power system, can switch the test mode and press adjust button 10 and realize multi-functional demand through stirring function switching driving lever 11. The during operation radiator fan 18 leads to the inside air flow of louvre 17 to accelerate, thereby can be faster dredge away the heat of inside and realize dustproof processing with the help of dustproof filter screen 19, open apron 12 after the test is accomplished and can put into storage chamber 25 with corollary equipment closed apron 12 and use fixed block 14 to carry out spacing fixed to apron 12, when needs carry the instrument, will carry pull rod 15 and pull out carrying the instrument that can be better from cavity 23, can also accomodate pull rod 15 in cavity 23 after the transport is accomplished, can not occupy unnecessary space.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A multi-functional electric power instrument of taking harmonic analysis, includes instrument housing (1), its characterized in that: one side of the instrument shell (1) is provided with a front panel (2), the other side of the instrument shell (1) is provided with a rear end cover plate (26), the front panel (2) and the rear end cover plate (26) are attached to the instrument shell (1), a circuit board (21) is arranged inside the instrument shell (1), the circuit board (21) is connected with the instrument shell (1) through screws, one side of the front panel (2) is provided with a display screen (6), a power button (7) and a test interface (9), the display screen (6), the power button (7) and the test interface (9) are connected with the front panel (2) through screws, anti-skidding supporting legs (3) are arranged below the instrument shell (1), the anti-skidding supporting legs (3) are provided with four, the anti-skidding supporting legs (3) are connected with the instrument shell (1) through screws, a U-shaped rotating support (4) is arranged below the instrument shell (1), u type rotates and is provided with rotation pin (5) between support (4) and instrument housing (1), and rotation pin (5) and instrument housing (1) and U type rotate support (4) and all rotate and be connected.

2. The multifunctional electric power meter with harmonic analysis according to claim 1, characterized in that: an adjusting key (10) and a function switching deflector rod (11) are arranged on one side of the front panel (2), and the adjusting key (10) and the function switching deflector rod (11) are connected with the front panel (2) through screws.

3. The multifunctional electric power meter with harmonic analysis according to claim 1, characterized in that: one side of front panel (2) and rear end cover board (26) is provided with first locking bolt (8) and second locking bolt (20) respectively, and the one end of first locking bolt (8) and second locking bolt (20) runs through front panel (2) and rear end cover board (26) respectively and extends to the inside of meter housing (1), first locking bolt (8) and second locking bolt (20) all with meter housing (1) threaded connection.

4. The multifunctional electric power meter with harmonic analysis according to claim 1, characterized in that: be provided with louvre (17) on rear end cover board (26), the inside of louvre (17) is provided with radiator fan (18), and radiator fan (18) pass through bolted connection with rear end cover board (26), one side of radiator fan (18) is provided with dustproof filter screen (19), and dustproof filter screen (19) is connected with the inner wall laminating of louvre (17).

5. The multifunctional electric power meter with harmonic analysis according to claim 1, characterized in that: the upper end of meter housing (1) is provided with accomodates chamber (25), the top of accomodating chamber (25) is provided with apron (12), and apron (12) rotate with meter housing (1) and be connected, the edge of apron (12) upper end is provided with hand groove (13), and hand groove (13) and apron (12) punching press structure as an organic whole, one side of apron (12) is provided with fixed block (14), and fixed block (14) are provided with two, and fixed block (14) rotate with meter housing (1) and are connected, two fixed block (14) all laminate mutually with apron (12).

6. The multifunctional electric power meter with harmonic analysis according to claim 1, characterized in that: edge position department of meter housing (1) upper end is provided with recess (16), and recess (16) are provided with two, the inside of meter housing (1) is provided with cavity (23), and cavity (23) are provided with four, two the top of recess (16) all is provided with lifting rod (15), and the both ends of lifting rod (15) all extend to the inside of cavity (23), lifting rod (15) and meter housing (1) sliding connection, the lower extreme of lifting rod (15) is provided with stopper (24), and stopper (24) and lifting rod (15) pass through the screw connection.

7. The multifunctional electric power meter with harmonic analysis according to claim 1, characterized in that: the instrument shell (1) is internally provided with an insulating pad (22), and the insulating pad (22) is attached to the inner wall of the instrument shell (1).