CN201153207Y

CN201153207Y - Integrated protector for single-phase voltage bias protection and short circuit, overload protection

Info

Publication number: CN201153207Y
Application number: CNU2008200020749U
Authority: CN
Inventors: 王志平
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-28
Filing date: 2008-01-28
Publication date: 2008-11-19
Anticipated expiration: 2018-01-28

Abstract

The utility model discloses a protector integrating the protection of single-phase voltage partial difference and the protection of short circuit and over loading, and relates to a device with the current protection of short circuit and over loading of a 220V single-phase circuit and the voltage partial difference protection of the single-phase circuit. The protector solves the shortcomings like inconvenient fixing, large occupying room, high cost price, etc., when two independent protectors are assembled in the jack box with limited space. The protector comprises a breaker and a voltage protector. The components of the voltage protector are arranged in a shell, the main body shape of which is the same with the breaker; and the components of the voltage protector are connected with the breaker for protecting short circuit and over loading. The protector has the advantages that the width of the shell of the voltage protector is shortened obviously and the dosage of high inflaming retarding industrial chemicals is reduced, thereby the material cost of the product is reduced. And because the protector is arranged in the low-tension distribution box, the protector also has the advantages that the installation is convenient and simple, the space is small, and the like.

Description

The integrated protector of protection of a kind of single-phase voltage deviation and short circuit, overload protection

Technical field

The utility model belongs to low pressure III electric appliances line protector, be mainly concerned with have the short circuit of 220V uniline simultaneously, the device of overload current protection and uniline voltage deviation defencive function.

Background technology

At present; the protector that a large amount of similar household electrical appliance are arranged on market, DZ47 Series Circuit Breakers, C65 Series Circuit Breakers, L7 Series Circuit Breakers etc. as is well known, its function is; automatic disconnection circuit when overload or short circuit take place circuit waits and removes fault later on by closing by hand connection circuit.To be that the single-phase voltage error protector of CN1183664, CN1298219 or self protection type are full-automatic cross the under voltage protection device (the Chinese patent publication number be: CN2497460) the Chinese patent publication number for another example; its function is; automatic line disconnection when circuit generation overvoltage or under voltage is when line voltage distribution recovers just often to connect automatically circuit.Long-term facts have proved; independently the circuit breaker (hereinafter to be referred as " circuit breaker ") and the separate single-phase voltage deviation protector (hereinafter to be referred as " voltage protector ") of mechanical type overload, short-circuit protection all are a kind of effective protected modes under current techniques; but above two kinds of protectors are independent assembling in the limited distribution box of area; the inconvenience of installation is arranged; it is big to take up room, the more high shortcoming of cost price.

Summary of the invention

In order to overcome above deficiency; the utility model provides the integrated protector of the protection of a kind of single-phase voltage deviation and short circuit, overload protection; this integrated protector has kept all functions of circuit breaker and voltage protector; be mainly used in short circuit, overload, overvoltage, the under voltage protection of uniline; and there is volume little; the cost of material is low, easy for installation, and the protector contact is difficult for advantages such as adhesion.

The technical scheme that its technical problem that solves the utility model adopts is: this integrated protector (Fig. 1) is combined to form by circuit breaker (A) and voltage protector (B); the parts of voltage protector are installed in the shell consistent with the breaker body profile, and are connected with short circuit, overload protection circuit breaker.

The integrated protector of protection of above-mentioned a kind of single-phase voltage deviation and short circuit, overload protection is characterized in that circuit breaker is connected with built-in cabling with outer lead with the electric wiring of voltage protector and is connected the mode that combines.

The integrated protector of protection of above-mentioned a kind of single-phase voltage deviation and short circuit, overload protection, the electric wiring that it is characterized in that circuit breaker and voltage protector is fully with built-in cabling ways of connecting.

The integrated protector of protection of above-mentioned a kind of single-phase voltage deviation and short circuit, overload protection, the electric wiring that it is characterized in that circuit breaker and voltage protector is fully with the outer lead ways of connecting.

The integrated protector of protection of above-mentioned a kind of single-phase voltage deviation and short circuit, overload protection is characterized in that crossing the side that screw or rivet are fixed on the single-phase voltage error protector short circuit, overload protection circuit breaker.

The outer lead connection is meant that the external cabling terminal Ja of circuit breaker draws the flexible conductor that can carry rated current in the above-mentioned connected mode, the outside breach QK that enters voltage protector then is connected with the voltage protection controller with the inner break contact of voltage protector, and Wire sheath HT protection is installed after the connection again; Built-in cabling is meant one pole and the contact-making surface P of single-pole circuit breaker housing and the contact-making surface M of circuit breaker and voltage protector housing in the circuit breaker of the two poles of the earth; or, after revising the mould perforate, connect at the inner cabling of protector only at the safe correct position of the contact-making surface of single-pole circuit breaker and voltage protector.After circuit breaker and voltage protector are electrically connected, again with both with Luo Si or rivet LG traverses fixed.

The beneficial effects of the utility model are: circuit breaker and voltage protector are by integrated combination, minimizing is with the usage quantity of the binding post of red copper, chase and Luo Si composition, also obviously reduce the outer casing width of voltage protector, reduce the consumption of the high flame retardant industrial chemicals of shell, thereby reduced the material cost of product; And in low-tension distribution box, install, have easy for installation simple, characteristics such as it is little to take up room; Adopt the circuit breaker of high breaking capacity and bear the adhesion phenomenon that the strong voltage protector of overload current ability greatly reduces break contact.

Description of drawings

Fig. 1 is the three-dimensional line block diagram of the integrated protector of voltage protector and the two poles of the earth circuit breaker composition.

Fig. 2 is the electrical connection diagram of Fig. 1.

Fig. 3 is the vertical view of Fig. 1.

Fig. 4 is the integrated protector vertical view that Fig. 1 forms with built-in cabling connected mode fully.

Fig. 5 is the integrated protector vertical view that Fig. 1 forms with outside side connecting conductor formula fully.

Fig. 6 is the electrical connection diagram of voltage protector and single-pole circuit breaker.

Fig. 7 is the integrated protector vertical view that Fig. 6 forms with built-in cabling connected mode fully.

Fig. 8 is the integrated protector vertical view that Fig. 6 forms with outside side connecting conductor formula fully.

The A-circuit breaker; the B-voltage protector; the phase line input of the integrated protector of J1-; the neutral line input of the integrated protector of J2-; the phase line output terminal of the integrated protector of J3-; the neutral line output of the integrated protector of J4-; the L-phase line; the N-neutral line, the external cabling terminal of Ja-circuit breaker, the outside breach of QK-voltage protector; the HT-Wire sheath; sieve's LG-silk or rivet, the one pole in the circuit breaker of P-the two poles of the earth and the contact-making surface of single-pole circuit breaker housing, the contact-making surface of M-circuit breaker and voltage protector housing

AK1-the two poles of the earth circuit breaker phase line break contact; AK2-the two poles of the earth circuit breaker neutral line break contact; the inner break contact of AK3-single-pole circuit breaker; the break contact of BK1-voltage protector; BC-voltage protection controller; the power supply phase line end of BCL-voltage protection controller, the power supply neutral terminal of BCN-voltage protection controller

Embodiment

Below in conjunction with accompanying drawing, the embodiment of integrated protector is described.

Electrical connection diagram as shown in Figure 2; voltage protector B is connected the rear end of the two poles of the earth circuit breaker A; phase line L input that the end of incoming cables J1 of the two poles of the earth circuit breaker, J2 are respectively integrated protector and neutral line N input, the phase line L output that the output J3 of voltage protector, J4 are respectively integrated protector and neutral line N output.The break contact BK1 of series voltage protector after the circuit breaker phase line break contact AK1, the phase line output terminal of the integrated protector of output J3 after the BK1 contact; The neutral line output of the integrated protector of output J4 after the circuit breaker neutral line break contact AK2; The power supply phase line BCL of voltage protection controller BC connects between AK1 and the BK1, and power supply neutral line BCN is connected on the AK2 output line, and voltage protection controller BC is used for the breaking and closing of control relay contact BK1.

Fig. 3 is the vertical view of Fig. 1, J1 and J3's is to draw the flexible conductor that can carry rated current by the pairing the two poles of the earth of J1 circuit breaker A external cabling terminal Ja, enter the outside breach QK of voltage protector B, connect the break contact (fixed contact of relay) of voltage protector, break contact (moving contact of relay) connects the J3 terminal afterwards again; The power supply phase line of the voltage protection controller BC of voltage protector B inside is with a soft lead, connects on the flexible conductor that the two poles of the earth circuit breaker Ja terminal of voltage protector B inside draws.The power supply neutral line is then used a soft lead, passes the hole of the contact-making surface P of the hole of contact-making surface M of the two poles of the earth circuit breaker A and voltage protector B housing and two single-pole circuit breaker housings, is connected on the line of the two poles of the earth circuit breaker A neutral line N output J4.With the two poles of the earth circuit breaker A and voltage protector B traverses fixed, the outer lead between Wire sheath HT protection Ja terminal and the breach QK is installed with many Gen Luosi or rivet LG again.

Assembled scheme by Fig. 3 as can be seen, the phase line input J1 of integrated protector and the connection of the pairing J3 of line output terminal mutually are that the outer lead connected mode is finished.And being connected of the neutral line outlet terminal J4 of the power supply neutral line of voltage protection controller BC and the two poles of the earth circuit breaker A, built-in cabling mode is finished.Connect the integrated protector that is connected the connected mode combination that combines with built-in cabling by this outer lead; compare with voltage protector independently with former independently the two poles of the earth circuit breaker; the width of voltage protector obviously reduces; be decreased to 27mm by original 45mm; the binding post usage quantity has lacked 3, thereby has reduced the product material cost.Only need two input leads and two output leads when integrated protector is installed in distribution box, and protector takes up room little.

Fully with built-in cabling connected mode combination, J1, J2 are respectively the phase line L of integrated protector and the input of neutral line N, the phase line L output of J3, the integrated protector of J4 and neutral line N output as shown in Figure 4.This figure suitably widens the voltage protector B shell among Fig. 3, again the output line of the two poles of the earth circuit breaker A two break contact AK1, AK2, is connected with neutral line input with the phase line input of voltage protector B respectively by inner perforated.

As shown in Figure 5 fully with outside side connecting conductor formula combination; this figure does not do any change or perforate with the two poles of the earth circuit breaker among Fig. 3; the voltage protector shell is suitably widened; between the outside breach QK of voltage protector B and J3 terminal, increase by a binding post J4; draw the outside breach QK that two flexible conductors enter voltage protector B from the outlet terminal of the two poles of the earth circuit breaker again and be connected with neutral line input, Wire sheath HT protection is installed then with the phase line input of voltage protector.

The electrical connection diagram of voltage protector and single-pole circuit breaker as shown in Figure 6; voltage protector B is connected the rear end of single-pole circuit breaker A; the input terminal J1 of single-pole circuit breaker A is as the phase line L input of integrated protector, and the input terminal J2 of voltage protector B is as the input of the neutral line N of integrated protector.The break contact BK1 of series voltage protector after the single-pole circuit breaker A break contact AK3, the phase line L output of the integrated protector of outlet terminal J3 after the BK1 contact; The input J2 of voltage protector neutral line N directly connects output J4, the neutral line N output of the integrated protector of J4; The power supply phase line BCL of voltage protection controller BC connects between AK3 and the BK1, and power supply neutral line BCN directly is connected on the neutral line, and voltage protection controller BC is used for the breaking and closing of control relay contact BK1.

Fig. 7, Fig. 8 are respectively the integrated protector vertical views that voltage protector and single-pole circuit breaker are formed with built-in cabling mode and outer lead connected mode.In this two width of cloth figure, all be that the J2 terminal directly is connected the neutral line N output of the integrated protector of J4 terminal, the phase line output terminal of the integrated protector of J3 terminal with the flexible conductor that can carry the rated current ability with the J4 terminal; The power supply phase line BCL of voltage protection controller and neutral line BCN are connected on respectively on the line of the incoming line of the inner break contact BK1 of voltage protector and J2 and J4 terminal.What they were different is that the J1 terminal of single-pole circuit breaker is different with the connected mode of the J3 terminal of voltage protector among Fig. 7, Fig. 8.Fig. 7 takes down the outlet terminal of single-pole circuit breaker, enters voltage protector inside by internal openings with built-in cabling mode; Fig. 8 is that single-pole circuit breaker is not done any change or perforate; outlet terminal Ja by single-pole circuit breaker draws lead; the breach QK that enters voltage protector links to each other with the inside break contact BK1 input of voltage protector; connect the J3 terminal after the break contact BK1 again; finish with outside side connecting conductor formula, connect back installation Wire sheath HT and protect.Use many Gen Luosi or rivet LG with single-pole circuit breaker among two figure and voltage protector traverses fixed at last again.

In the foregoing, the hole that built-in cabling is required, or voltage protector suitably widens, or increase binding post etc. all by revising or the redesign mould is finished.

Claims

1, the integrated protector of protection of a kind of single-phase voltage deviation and short circuit, overload protection; the integrated protector that is combined into by single-phase voltage error protector and short circuit, overload protection circuit breaker; it is characterized by; the parts of single-phase voltage error protector are installed in the shell consistent with short circuit, overload protection breaker body profile, and are connected with short circuit, overload protection circuit breaker.

2,, it is characterized in that circuit breaker is connected with built-in cabling with outer lead with the electric wiring of voltage protector and be connected the mode that combines according to the integrated protector of claim 1 described a kind of single-phase voltage deviation protection and short circuit, overload protection.

3, according to the integrated protector of claim 1 described a kind of single-phase voltage deviation protection and short circuit, overload protection, the electric wiring that it is characterized in that circuit breaker and voltage protector is fully with built-in cabling ways of connecting.

4, according to the integrated protector of claim 1 described a kind of single-phase voltage deviation protection and short circuit, overload protection, the electric wiring that it is characterized in that circuit breaker and voltage protector is fully with the outer lead ways of connecting.

5,, it is characterized in that crossing the side that screw or rivet are fixed on the single-phase voltage error protector short circuit, overload protection circuit breaker according to the integrated protector of described any single-phase voltage deviation protection of claim 1 to 4 and short circuit, overload protection.