CN208608592U - A kind of Intelligent low-voltage outdoor reactive power compensating case - Google Patents

Abstract

The utility model discloses a kind of Intelligent low-voltage outdoor reactive power compensating cases, its structure includes electronic box shell, kilowatt-hour meter, relay, power compensation pipe, support plate, overload protection arrangement, current transformer, terminal head, conducting wire, screw, chamber door, kilowatt-hour meter is located at the inside of electronic box shell, kilowatt-hour meter is connected with relay, kilowatt-hour meter is located at the upper end of relay, a kind of Intelligent low-voltage outdoor reactive power compensating case of the utility model, structure is equipped with overload protection arrangement, overload protection arrangement is mounted on current transformer, when current is excessive, electric current enters power connection by power supply import, by crossing support plate control power-off fixture block, it is powered off in time by power-off fixture block control trip switch, carrying out protective circuit of voltage regulation by regulator block when electric current is steady will not be by the excessive breakdown of electric current, pass through fusible link again, play double protection Circuit automatically powers off when ensure that electric current is excessive by overload protection arrangement, protect equipment will not it is excessive by electric current and puncture burn.

Description

A kind of Intelligent low-voltage outdoor reactive power compensating case

Technical field

The utility model is a kind of Intelligent low-voltage outdoor reactive power compensating case, belongs to power domain.

Background technique

Electric substation in the power system directly installs reactive power power supply in electric power users electric substation, to change electric power The flowing of reactive power in system, to improve the voltage level of electric system, reduce via net loss and improve electric system Dynamic property, this technical measures are known as reactive power compensation, and reactive power refers in alternating current circuit, and voltage U is deposited with electric current I In a phase angle difference, electric current is formed by power component when flowing through condensance or inductive reactance.

Prior art discloses application No. is a kind of 200820074594.0 Intelligent low-voltage outdoor reactive power compensatings Case, structure include non-metal shell, enclosed bus system and control circuit, but the prior art power-off protection effect compared with Difference, when causing electric current excessive, equipment is burnt by dash current.

Utility model content

In view of the deficienciess of the prior art, the utility model aim is to provide a kind of Intelligent low-voltage outdoor reactive power benefit Case is repaid, it is poor to solve prior art power-off protection effect, when causing electric current excessive, the problem of equipment is burnt by dash current.

To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of intelligent low-pressure family Outer reactive power compensating case, structure include electronic box shell, kilowatt-hour meter, relay, power compensation pipe, support plate, overload protection dress Set, current transformer, terminal head, conducting wire, screw, chamber door, the kilowatt-hour meter is located at the inside of electronic box shell, the kilowatt-hour meter with after Electric appliance is connected, and the kilowatt-hour meter is located at the upper end of relay, and the power compensation pipe is connected with relay, and the overload is protected Protection unit is located at the upper end of current transformer, and the current transformer is connected with overload protection arrangement, the current transformer Positioned at the upper end of relay, the terminal head is located at the lower end of current transformer, and the terminal head is connected with relay, described Conducting wire is connected with relay, and the chamber door is connect with electronic box shell chain type, and the current transformer is located at the inside of electronic box shell, institute The upper end that power compensation pipe is located at support plate is stated, the overload protection arrangement includes power-off fixture block, shell, power connection, power supply Import, trip switch, crosses support plate, fusible link at regulator block, and the power-off fixture block is located at the inside of shell, the power connection and It crosses support plate to be connected, the power supply import is integrated with shell, and the regulator block is electrically connected with support plate is crossed, the tripping Switch is located at the inside of shell, and the fusible link is electrically connected with power connection.

Further, the power compensation pipe is located at the lower end of relay.

Further, the support plate is connect with screw thread.

Further, the power connection is connected with conducting wire.

Further, a length of 30cm of the support plate, width 20cm, a height of 2cm.

Further, the support plate is rectangular parallelepiped structure.

Further, the screw is made of stainless steel, and hardness is high and is not easy to get rusty.

Beneficial effect

A kind of Intelligent low-voltage outdoor reactive power compensating case of the utility model, structure are equipped with overload protection arrangement, incited somebody to action It carries protective device to be mounted on current transformer, when current is excessive, electric current enters power connection by power supply import, passes through Support plate control power-off fixture block, is powered off in time by power-off fixture block control trip switch, is carried out when electric current is steady by regulator block Protective circuit of voltage regulation will not be excessive by electric current and puncture, then by fusible link, play double protection circuit, filled by overload protection Setting ensure that automatically powers off when electric current is excessive, protect equipment will not it is excessive by electric current and puncture burn.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon:

Fig. 1 is a kind of structural schematic diagram of Intelligent low-voltage outdoor reactive power compensating case of the utility model；

Fig. 2 is a kind of the schematic diagram of the section structure of overload protection arrangement of the utility model.

In figure: electronic box shell -1, kilowatt-hour meter -2, relay -3, power compensation pipe -4, support plate -5, overload protection arrangement -6, Current transformer -7, terminal head -8, conducting wire -9, screw -10, chamber door -11, power-off fixture block -601, shell -602, power connection - 603, power supply import -604, regulator block -605, trip switch -606, excessively support plate -607, fusible link -608.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Fig. 1, Fig. 2 are please referred to, the utility model provides a kind of Intelligent low-voltage outdoor reactive power compensating case technical solution: its Structure includes electronic box shell 1, kilowatt-hour meter 2, relay 3, power compensation pipe 4, support plate 5, overload protection arrangement 6, current transformer 7, terminal head 8, conducting wire 9, screw 10, chamber door 11, the kilowatt-hour meter 2 are located at the inside of electronic box shell 1, the kilowatt-hour meter 2 and relay Device 3 is connected, and the kilowatt-hour meter 2 is located at the upper end of relay 3, and the power compensation pipe 4 is connected with relay 3, the mistake The upper end that protective device 6 is located at current transformer 7 is carried, the current transformer 7 is connected with overload protection arrangement 6, the electricity Current transformer 7 is located at the upper end of relay 3, and the terminal head 8 is located at the lower end of current transformer 7, the terminal head 8 and relay Device 3 is connected, and the conducting wire 9 is connected with relay 3, and the chamber door 11 is connect with 1 chain type of electronic box shell, the current transformer 7 are located at the inside of electronic box shell 1, and the power compensation pipe 4 is located at the upper end of support plate 5, and the overload protection arrangement 6 includes power-off Fixture block 601, power connection 603, power supply import 604, regulator block 605, trip switch 606, crosses support plate 607, fusing at shell 602 Silk 608, the power-off fixture block 601 are located at the inside of shell 602, and the power connection 603 is connected with support plate 607 is crossed, described Power supply import 604 is integrated with shell 602, and the regulator block 605 is electrically connected with support plate 607 is crossed, the trip switch 606 are located at the inside of shell 602, and the fusible link 608 is electrically connected with power connection 603, and the power compensation pipe 4 is located at relay The lower end of device 3, the support plate 5 are threadedly coupled with screw 10, and the power connection 603 is connected with conducting wire 9, the support plate 5 a length of 30cm, width 20cm, a height of 2cm, the support plate 5 are rectangular parallelepiped structure, and the screw 10 is made of stainless steel, Hardness is high and is not easy to get rusty.

Relay 3 described in this patent is made in electrical output circuit when the variation of input quantity reaches prescribed requirement A kind of electric appliance of scheduled Spline smoothing occurs for controlled volume, it has control system and by the interactive relationship between control system, It is usually applied in automation control circuit, it is actually to go one kind of control high current running to open automatically with low current It closes, therefore plays automatic adjustment in circuit, the effects of safeguard protection, conversion circuit, the screw 10 is the inclined-plane for utilizing object The physics and mathematical principle of circular rotating and frictional force fasten the tool of implements parts by easy stages, and screw is fastener General saying, daily pet phrase, screw is indispensable industrial necessity in daily life, such as camera, glasses, clock Table, the minimum screw that electronics etc. uses, TV, electric product, musical instrument, the general screw of furniture etc. are built as engineering, Bridge then uses large-scale screw, and nut, traffic tool, aircraft, electric car, automobile etc. is then that big primary screw is used in combination, and screw is in industry On bear vital task, as long as there is industry on the earth, the function of screw is forever important, and screw is that people are raw over the past thousands of years The joint invention in living is generated, from the point of view of application field, it is the first major invention of the mankind.

Carry out using when overload protection arrangement 6 is mounted on current transformer 7, when current is excessive, electric current passes through Power supply import 604 enters power connection 603, by crossing the control power-off fixture block 601 of support plate 607, is controlled and is tripped by power-off fixture block 601 Switch 606 is powered off in time, and carrying out protective circuit of voltage regulation by regulator block 605 when electric current is steady will not be hit by electric current is excessive It wears, then by fusible link 608, double protection circuit is played, from dynamic circuit breaker when ensure that electric current is excessive by overload protection arrangement 6 Electricity, protect equipment will not it is excessive by electric current and puncture burn.

It is poor that the utility model solves prior art power-off protection effect, and when causing electric current excessive, equipment is by impact electricity The problem of stream is burnt, the utility model are combined with each other by above-mentioned component, and overload protection arrangement is mounted on current transformer On, when current is excessive, electric current enters power connection by power supply import, by crossing support plate control power-off fixture block, is blocked by power-off Block control trip switch is powered off in time, and carrying out protective circuit of voltage regulation by regulator block when electric current is steady will not be excessive by electric current And puncture, then by fusible link, double protection circuit is played, from dynamic circuit breaker when ensure that electric current is excessive by overload protection arrangement Electricity, protect equipment will not it is excessive by electric current and puncture burn, it is described in detail below:

The overload protection arrangement 6 includes power-off fixture block 601, shell 602, power connection 603, power supply import 604, pressure stabilizing Block 605, trip switch 606 cross support plate 607, fusible link 608, and the power-off fixture block 601 is located at the inside of shell 602, the electricity Source connector 603 is connected with support plate 607 is crossed, and the power supply import 604 is integrated with shell 602, the regulator block 605 It is electrically connected with support plate 607 is crossed, the trip switch 606 is located at the inside of shell 602, the fusible link 608 and power connection 603 Electrical connection.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (5)

1. a kind of Intelligent low-voltage outdoor reactive power compensating case, it is characterised in that: its structure includes electronic box shell (1), kilowatt-hour meter (2), relay (3), power compensation pipe (4), support plate (5), overload protection arrangement (6), current transformer (7), terminal head (8), conducting wire (9), screw (10), chamber door (11), the kilowatt-hour meter (2) are located at the inside of electronic box shell (1), the kilowatt-hour meter (2) It is connected with relay (3), the kilowatt-hour meter (2) is located at the upper end of relay (3), the power compensation pipe (4) and relay (3) it is connected, the overload protection arrangement (6) is located at the upper end of current transformer (7), the current transformer (7) and overload Protective device (6) is connected, and the current transformer (7) is located at the upper end of relay (3), and the terminal head (8) is located at electric current The lower end of mutual inductor (7), the terminal head (8) are connected with relay (3), and the conducting wire (9) is connected with relay (3), The chamber door (11) connect with electronic box shell (1) chain type, and the current transformer (7) is located at the inside of electronic box shell (1), the power Compensation pipe (4) is located at the upper end of support plate (5), the overload protection arrangement (6) include power off fixture block (601), shell (602), Power connection (603), regulator block (605), trip switch (606), crosses support plate (607), fusible link at power supply import (604) (608), power-off fixture block (601) is located at the inside of shell (602), and the power connection (603) is connected with support plate (607) are crossed It connects, the power supply import (604) is integrated with shell (602), and the regulator block (605) is electrically connected with support plate (607) are crossed It connects, the trip switch (606) is located at the inside of shell (602), and the fusible link (608) is electrically connected with power connection (603).

2. a kind of Intelligent low-voltage outdoor reactive power compensating case according to claim 1, it is characterised in that: the power is mended Repay the lower end that pipe (4) is located at relay (3).

3. a kind of Intelligent low-voltage outdoor reactive power compensating case according to claim 1, it is characterised in that: the support plate (5) it is threadedly coupled with screw (10).

4. a kind of Intelligent low-voltage outdoor reactive power compensating case according to claim 1, it is characterised in that: the power supply connects Head (603) is connected with conducting wire (9).

5. a kind of Intelligent low-voltage outdoor reactive power compensating case according to claim 1, it is characterised in that: the support plate (5) a length of 30cm, width 20cm, a height of 2cm.