CN205901309U - Anti humorous wave mode intelligence electric capacitance device - Google Patents

Abstract

Anti humorous wave mode intelligence electric capacitance device has included the U type main tank body and U type shell body two parts constitution. The U type main tank body comprises front panel, back shroud and base, and the three adopts whole processing technology to become one. The front panel of the U type main tank body is divided into two work areas, and a region is used for installing thermal fuse ware, input terminal stroma, another region is used for installing control circuit board, magnetic latching relay, LCD display, man -machine operation button, data communication socket and connecting piece, control circuit board, magnetic latching relay, connects and inserts these fitting ups of connecting piece in shielding protection box the inside, and fixed to the U type owner box base with the shielding protection box by the screw, U type owner box base installs current transformer, reactor, magnetic latching relay 0 and connecting piece. Install radiator fan above the U type shell body, both sides have BAR opening to be used for the box heat dissipation, and U type shell body directly covers the U type main tank body, and it can to fix with self tapping screw. The utility model discloses possess outside pleasing to the eye, inner structure is simple, overall structure firmly durable, overall arrangement novel reasonable, the commonality is strong, the cost is saved in the processing equipment.

Description

Anti- Harmonic Type intelligent electric power capacitive means

Technical field

A kind of a kind of the present invention relates to electric field, more specifically, it relates to anti-Harmonic Type intelligent electric power capacitive means.

Background technology

Anti- Harmonic Type intelligent electric power capacitive means are based on self-healing low-voltage power capacitor and anti-Harmonic Type reactor Body, with microprocessor as control centre, using microelectronics software and hardware technology to the operating passing zero to mechanical magnetic latching relay, And then power factor compensation is carried out to low-voltage circuit.

In power system, reactive power is a key factor of impact voltage stabilization, and it is related to whole power train Can system run with security and stability, and reactive-load compensation is to ensure that one of effective measures that power system high efficient and reliable is run.At present, greatly Part idle compensating control is using power factor, reactive current as switching criterion, and the height of power factor and reactive current The size of no-power vacancy can not directly be reflected, reactive-load compensation is not accurate, produce extra electric energy loss.And it is traditional idle Compensate using A.C. contactor as fling-cut switch, the moment accessing electric capacity produces very big shoving, causes the contact of contactor Place produces spark, easily burns contact, and may cling contact in disjunction electric capacity, causes contact can not draw away.And Intelligence Reactive Power Compensation capacitor changes the mechanical type contact of traditional reactive power compensator control technology falling behind and the no any process falling behind Device or electromechanical integral switch, as the switching technology of switched capacitor, change traditional reactive power compensator bulky and stupid The tactic pattern of weight, so that low-pressure reactive compensation equipment of new generation has compensation effect more preferably, volume is less, and power consumption is lower, Price is more honest and cleaner, cost-effective more, using more flexible, safeguards convenient, service life is longer, the higher spy of reliability Point, has adapted to the requirements at the higher level to reactive-load compensation for the modern power network.Although prior art has improved compared with conventional art really, Be intelligent, customize not convenient, flexible, it is higher to produce assembly difficulty, manufacturing cost is higher do not adapt to electronic age, The needs of Internet era development.Therefore, prior art needs further improvement and lifting.

Content of the invention

For the deficiencies in the prior art, it is an object of the invention to provide a kind of anti-Harmonic Type intelligent electric power capacitive means, There is high-intelligentization, highly integrated, former external capacitor, reactor are accommodated in the inner so that outward appearance is more attractive in appearance, internal junction Structure is simple, layout is new reasonable, highly versatile, be easy to safeguard, processing, assembling, effectively reduce production cost.

The present invention is achieved in that

A kind of anti-Harmonic Type intelligent electric power capacitive means: include u-shaped main box and u-shaped shell body two parts composition.

Further: u-shaped main box is made up of front panel, back shroud and base, and three becomes one using integral processing Body.

Further: the front panel of u-shaped main box is divided into two working regions, a working region is used for installing input wires Terminal base, thermal cut-off, AC voltage/current acquisition module, c patch connector；B working region is used for installing ac/dc power supply Module, control board, relay control module, magnetic latching relay, lcd display, human-machine operation button, data communication are inserted Mouthful.

Further: the control board in b working region, magnetic latching relay, a patch connector and b patches connector These parts are arranged on inside shielding protection box, by screw, shielding protection box are fixed on u-shaped main box base, so install And dismounting is very convenient.

Further: u-shaped main box floor installation has current transformer, reactor, power capacitor, temperature sensor and company Fitting.

Further: u-shaped shell body is formed using punch forming, there is radiator fan installed above, u-shaped shell body both sides have Bar shaped louvre is used for casing and radiates.

Further: u-shaped shell body directly covers u-shaped main box, is fixed with self-tapping screw.

Further: 380vac input power is connected to input wires terminal base, broken with hot melt by input wires terminal base Device connects, and thermal cut-off exports a road and is input to AC voltage/current acquisition module, and a road is input to ac/dc power module, and one Road is input to relay control module.

Further: the three-phase alternating voltage/current signal collecting is sent to control electricity by AC voltage/current acquisition module Microprocessor unit on the plate of road, the three-phase alternating voltage of input is carried out exporting difference after conversion process by ac/dc power module The DC voltage of electric pressure is control board, relay control module, lcd display, human-machine operation button, data communication Socket provides stable operation DC voltage.

Further: the microprocessor unit in control board is pressed with lcd display, human-machine operation respectively by i/o mouth Key, data communication socket connect；Microprocessor unit in control board is connected with relay control module, microprocessor list Unit sends action command to relay control module, drives the action of magnetic latching relay by relay control module.

Further: temperature sensor is arranged on above power capacitor, for detecting the temperature of power capacitor, temperature passes Sensor is connected with the microprocessor unit in control board, the temperature signal of detection is input to the micro- place in control board Reason device unit, the action command that the microprocessor unit in radiator fan reception control board sends carries out action.

For the utility model, change the position relationship of internal component, possess exterior appearance, internal structure letter List, overall structure firm and durable, layout are new reasonable, stress more rationally, highly versatile, to be easy to processing assembling cost-effective etc. excellent Point.

Brief description

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the corresponding internal view of Fig. 1；

Fig. 3 is component placement schematic diagram；

Fig. 4 is u-shaped main box and u-shaped shell body schematic diagram；

Fig. 5 is control principle block diagram.

Accompanying drawing identifier declaration:

101:u type main box；The front panel of 102:u type main box；103:a working region；

104:b working region；The back plate of 105:u type main box；106: input wires terminal base；

107: miniature circuit breaker；108:lcd display frequency and human-machine operation button；

109: data communication socket；110: control board；111: magnetic latching relay；

112:a patches connector；113:b patches connector: 114:c patches connector；

115: shielding protection box；116: AC voltage/current acquisition module

201:u type shell body；202: radiator fan；203: bar shaped louvre；

301:u type main box base；

400: reactor；401: compensation capacitor；402: current transformer；

501:u type main box base fixed screw mouth；502:u type shell body fixed screw mouth.

600: fixed screw.

Specific embodiment

Below in conjunction with accompanying drawing 1-5, the present invention is described in detail, and the technical scheme in the embodiment of the present invention is carried out Clearly and completely describe it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole enforcement Example.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of not making creative work Every other embodiment, broadly falls into the scope of protection of the invention.

As Figure 1-4, the utility model here provides a kind of anti-Harmonic Type intelligent electric power capacitive means, including u-shaped master Casing 101 and u-shaped shell body 201 two parts composition, specifically as shown in Figure 4.

Fig. 1 is the utility model overall structure diagram, and Fig. 2 is the corresponding internal view of Fig. 1, and Fig. 3 is component placement Schematic diagram, Fig. 4 is u-shaped main box and u-shaped shell body schematic diagram.

U-shaped main box 101 can be seen in the diagram by u-shaped main box front panel 102, the back plate 105 of u-shaped main box and u Type main box base 301 forms, u-shaped main box front panel 102, the back plate 105 of u-shaped main box and u-shaped main box base 301 3 Person is integrally formed using integral processing.

The front panel of u-shaped main box 101 is divided into two working regions, and a working region 103 is used for mount thermal fuse 107th, input wires terminal base 106, c patch connector 114 and AC voltage/current acquisition module 116；B working region 104 is used In installation control board 110, magnetic latching relay 111, lcd display and human-machine operation button 108, data communication socket 109 and a patch connector 112；B patches connector 113.

Control board 110, magnetic latching relay 111, a patch connector 112；B patches these parts of connector 113 It is arranged on inside shielding protection box 115, by screw 600, shielding protection box 115 is fixed on u-shaped main box base 301, so Install and dismounting is very convenient.

There is movable transparent protective cover outside thermal cut-off 107 and input wires terminal base 106, in lcd display and people Outside machine operation button 108, movable transparent protective cover is equally installed.

Fig. 2 is the corresponding internal view of Fig. 1, can see in figure and lay reactance above u-shaped main box base 301 Device 400；Compensation capacitor 401；U-shaped main box base 301 two bottom sides have u-shaped main box base fixed screw mouth 501；U-shaped Shell body 201 two bottom sides have u-shaped shell body fixed screw mouth 502, after the part on u-shaped main box 101 installs, will U-shaped shell body 201 covers on u-shaped main box 101, and u-shaped shell body fixed screw mouth 502 is fixed spiral shell with u-shaped main box base After silk mouth 501 alignment, tightened with self-tapping screw and become one there is high-intelligentization, highly integrated, appearance looks elegant, internal structure Simply, layout is new reasonable, highly versatile, be easy to safeguard, processing, the anti-Harmonic Type intelligent electric power capacitive means of assembling.

Fig. 5 is anti-Harmonic Type intelligent electric power capacitive means control principle block diagram, and three line alternating currents are input to miniature circuit breaker 11, the low-voltage DC required for then High Level AC Voltage being converted to by ac-dc power module 6, it is supplied to microprocessor And its electronic devices and components of correlation provide stable working power for it；Microcontroller 1 passes through AC current-voltage acquisition module 5 The AC current-voltage collecting analog signal is converted to data signal, microprocessor 1 passes through calculating and processes data signal The Current Voltage value being converted to reality is shown by lcd display module 7, facilitates us to observe understanding；Microprocessor 1 passes through button Module 9 arranges the parameter value of correlation；Rs485 communication module 8 is carried out with outside other anti-Harmonic Type intelligent electric power capacitive means Networking, is formed a network system, by the working condition of ipc monitor whole system, and has host computer to be entered by this network The switching of row real-time control compensating electric capacity；Microprocessor 1 collects the temperature value of power capacitor 4 by temperature sensor 10, When it exceedes preset value, control relay module 2 is disconnected being passed through of capacitor 4 by microcontroller 1, and whole machine will enter protection shape State, opens radiator fan 12 simultaneously, is put into when temperature drops to below setting value again；When need in whole system access electricity During power capacitor 4, microcontroller 1 will be analyzed processing by the instantaneous value that AC current-voltage sampling module 5 is sampled, and controls Relay module 2, in voltage zero-cross turn-on relay, completes voltage zero-cross and puts into capacitor；If there is harmonic wave in electrical network, electricity Power reactor 3 will absorb the electric current of its corresponding harmonic wave, protects power capacitor 4 not damaged by harmonic wave；When need in system excise During capacitor 4, microprocessor control relay module 2 disconnects relay in current over-zero, completes and excises electricity during current over-zero Container 4.

Claims (2)

1. anti-Harmonic Type intelligent electric power capacitive means it is characterised in that: u-shaped main box is made up of front panel, back shroud and base, The front panel of u-shaped main box is divided into two working regions, a working region be used for installing input wires terminal base, thermal cut-off, AC voltage/current acquisition module, c patch connector；B working region be used for installing ac/dc power module, control board, Relay control module, magnetic latching relay, lcd display, human-machine operation button, data communication socket；In b working region Control board, magnetic latching relay, a patch connector and b patches these parts of connector and is arranged on inside shielding protection box, By screw, shielding protection box is fixed on u-shaped main box base；380vac input power is connected to input wires terminal base, leads to Cross input wires terminal base to be connected with thermal cut-off, thermal cut-off exports a road and is input to AC voltage/current acquisition module, one Road is input to ac/dc power module, and a road is input to relay control module；AC voltage/current acquisition module will collect Three-phase alternating voltage/current signal be sent to microprocessor unit in control board, ac/dc power module will input three Cross streams voltage exports different electric pressures DC voltage after carrying out conversion process is control board, Control mould Block, lcd display, human-machine operation button, data communication socket provide stable operation DC voltage；Micro- in control board Processor unit is connected with lcd display, human-machine operation button, data communication socket respectively by i/o mouth；In control board Microprocessor unit be connected with relay control module, microprocessor unit sends action command to relay control module, Drive the action of magnetic latching relay by relay control module；Temperature sensor is arranged on above power capacitor, is used for The temperature of detection power capacitor, temperature sensor is connected with the microprocessor unit in control board, by the temperature of detection The microprocessor unit in control board for the signal input, the microprocessor unit that radiator fan receives in control board is sent out The action command going out carries out action.

2. according to claim 1 anti-Harmonic Type intelligent electric power capacitive means it is characterised in that: u type main box floor installation There are current transformer, reactor, power capacitor, temperature sensor and connector；U-shaped shell body is formed using punch forming, There is radiator fan installed above, u-shaped shell body both sides have bar shaped louvre to radiate for casing；U-shaped shell body directly covers u Type main box, is fixed with self-tapping screw.