CN204014269U - A kind of A.C. contactor connector assembly for Electric Chain Blocks - Google Patents

Abstract

The utility model discloses a kind of A.C. contactor connector assembly for Electric Chain Blocks, comprise printed circuit board (PCB), always stop the A.C. contactor of A.C. contactor, double speed A.C. contactor and lifting interlocking, A.C. contactor is all welded on this plate, and this plate has been laid with the Copper Foil wire connecting for described AC contactor touch head; The coil input end interconnection of described A.C. contactor, and always stop the main output of A.C. contactor and the primary input end of rising A.C. contactor is connected, the input of rising A.C. contactor, output are inputted with decline A.C. contactor respectively, the corresponding connection of output; Wherein two main outputs of rising A.C. contactor respectively with double speed A.C. contactor often open primary input end, normally closed primary input end is connected, all the other main outputs of rising A.C. contactor are connected with the main output power supply machine of double speed A.C. contactor input.Adopt the utility model compact conformation after such scheme, the error rate that reduces a large amount of artificial wiring and cause thus.

Description

A kind of A.C. contactor connector assembly for Electric Chain Blocks

[technical field]

The utility model relates to a kind of A.C. contactor connector assembly for Electric Chain Blocks, relevant with wiring, the wiring of the electric controling element of Electric Chain Blocks, is applied to the occasion that electric controling element installation site is restricted.

[background technology]

Existing always stop A.C. contactor, rising A.C. contactor, decline A.C. contactor, double speed A.C. contactor for Electric Chain Blocks (as SHH type ring-chain hoist) is all that separate type is arranged on the metal base plate that an area is 200mm * 170mm, these four A.C. contactors connect by electric wire, line bank, therefore, not only need reserved wiring space, and much need in addition the electrical node of wiring, artificial wiring has increased electric fault rate, have that electric fault rate is higher, wiring disorderly, the larger deficiency in shared locus is installed.

[utility model content]

The purpose of this utility model is to provide a kind of A.C. contactor connector assembly for Electric Chain Blocks of compact conformation, it simplifies contactor wiring, connect up more reasonable, can avoid large, the artificial wiring error rate of artificial wiring workload fault high and that cause thus.

For solving the problems of the technologies described above, the utility model adopts following technical scheme:

A kind of A.C. contactor connector assembly for Electric Chain Blocks, comprise that is always stopped an A.C. contactor, a rising A.C. contactor, a decline A.C. contactor and a double speed A.C. contactor, rising A.C. contactor and decline A.C. contactor are reversible, interlocking, double speed A.C. contactor is two often to open, two four normally closed utmost point contactors, its improvement is: also comprise a printed circuit board, described A.C. contactor is welded on this printed circuit board (PCB) jointly, this printed circuit board (PCB) has been laid with for described AC contactor main contact, the Copper Foil wire that coil contact is connected with auxiliary contact, the coil input end interconnection of described A.C. contactor, and always stop the main output of A.C. contactor and the primary input end of rising A.C. contactor is connected, the input of rising A.C. contactor, output respectively with decline A.C. contactor input, the corresponding connection of output, wherein two main outputs of rising A.C. contactor respectively with double speed A.C. contactor often open primary input end, normally closed primary input end is connected, all the other main outputs of rising A.C. contactor are connected with the main output power supply machine of double speed A.C. contactor input.

Above-mentioned printed circuit board (PCB) is the copper cladding plate with 0.15mm thickness copper layer, and its area is 150 * 150mm; Its width of Copper Foil wire connecting for main contact is 3mm, and rated current is 2A; Its width of Copper Foil wire connecting for coil contact is 1mm, and rated current is 0.9A; Its width of Copper Foil wire connecting for auxiliary contact is 1mm, and rated current is 0.9A.

The utility model compared with prior art possesses following advantage and beneficial effect:

1, by four A.C. contactor welded and installed to printed circuit board (PCB)s that area is 150 * 150mm, this printed circuit board (PCB) has been laid with the Copper Foil wire being connected with auxiliary contact for described AC contactor main contact, coil contact, the utility model is compact conformation not only, and can reduce a large amount of artificial wiring, and the wiring error rate of avoiding artificial wiring to cause is high;

2, the wiring of printed circuit board (PCB), for connecting for A.C. contactor, can reduce the line of some transfers, to increase the aesthetics of cabling;

3, four A.C. contactors are installed in a printed circuit board; thereby form a modular construction, brought convenience therefore to the maintenance of Electric Chain Blocks, assembly directly plugs; the assembly of replacing keeps in repair outward at machine, can greatly shorten on-the-spot fault power time.

[accompanying drawing explanation]

Below in conjunction with accompanying drawing, with regard to the utility model, be described in further detail.

Fig. 1 is outline drawing of the present utility model;

Fig. 2 is wiring of the present utility model, winding diagram;

Fig. 3 is the circuit theory diagrams that the utility model is applied to formation control loop in Electric Chain Blocks;

Fig. 4 is the winding diagram of rectifier.

[embodiment]

Referring to shown in Fig. 1,2,3,4, is preferred embodiment of the present utility model.

A kind of A.C. contactor connector assembly for Electric Chain Blocks, comprise that is always stopped an A.C. contactor KM1, a rising A.C. contactor KM2, a decline A.C. contactor KM3 and a double speed A.C. contactor KM4, rising A.C. contactor KM2 and decline A.C. contactor KM3 are reversible, interlocking, double speed A.C. contactor KM4 is four utmost point contactors, it has two normally open contacts and two normally closed interlocks, its improvement is: also comprise a printed circuit board P, described A.C. contactor is welded on this printed circuit board (PCB) P jointly, this printed circuit board (PCB) P has been laid with for described AC contactor main contact, the Copper Foil wire that coil contact is connected with auxiliary contact, the coil input end interconnection of described A.C. contactor, and the main output that always stops A.C. contactor KM1 is connected with the primary input end of rising A.C. contactor KM2, the input of rising A.C. contactor KM2, output respectively with decline A.C. contactor KM3 input, the corresponding connection of output, wherein two main outputs of rising A.C. contactor KM2 respectively with double speed A.C. contactor KM4 often open primary input end, normally closed primary input end is connected, main output of residue of rising A.C. contactor KM2 is connected with the main output of double speed A.C. contactor KM4 (four) power supply machine M wiring input.

It is in SHH816 double speed Electric Chain Blocks that the utility model is applied to model, three main contact inputs that always stop A.C. contactor KM1 directly connect three phase mains, control on/off, during Electric Chain Blocks work, always stop A.C. contactor KM1 in closure state.The 24VAC output of 380VAC control transformer T connects always stopping button SB1, start button SB2, always stop the auxiliary contact J1 of A.C. contactor KM1 and always stopping the loop A 1 of A.C. contactor KM1 of pocket torch door (not indicating) successively.

Double speed rising button SB3, double speed decline button SB4 are dibit two point buttons; Often open primary input end and a normally closed primary input end and connect for one of double speed A.C. contactor KM4, and another is often opened primary input end and another normally closed primary input end and connects.

The coil input end of all A.C. contactors and link on another output of control transformer T after, loop A 2 outputs of rising A.C. contactor KM2 are connected with the contact of rising at a slow speed of double speed rising button SB3; Loop A 3 outputs of decline A.C. contactor KM3 are connected with the descending at slow speed contact of double speed decline button SB4; Loop A 4 outputs of double speed A.C. contactor KM4 optionally with the fast rise contact of double speed rising button SB3, the fast-descending contact conducting of double speed decline button SB4.

The suspension hook that motor M is Electric Chain Blocks provides the power of rising at a slow speed, descending at slow speed, fast rise and fast-descending, and it is bipolar, double-speed motor.

Input N1, the N2 of rectifier 1 is connected with two central point N1, the N2 of motor M, and rectifier 1 is 99VDC output by the ac voltage rectifier of control transformer T; Rectifier 1 connects respectively the auxiliary contact J2 of rising A.C. contactor KM2, the auxiliary contact J3 of decline A.C. contactor KM3; The direct voltage of rectifier 1 output is connected with input 2B1, the 2B2 of brake MB by output 1B1,1B2, as brake MB brake voltage.

During the utility model work, during the independent adhesive of rising A.C. contactor KM2, motor M drives the suspension hook of Electric Chain Blocks to rise at a slow speed; During the independent adhesive of decline A.C. contactor KM3, motor M drives suspension hook descending at slow speed, and when rising A.C. contactor KM2 and double speed A.C. contactor KM4 adhesive simultaneously, motor M drives suspension hook fast rise; During A.C. contactor KM3 and double speed A.C. contactor KM4 adhesive simultaneously, motor M drives suspension hook fast-descending.

Printed circuit board (PCB) copper cladding plate, copper layer thickness is 0.15mm, printed circuit board area is 150 * 150mm; Its live width of Copper Foil wire connecting for all AC contactor main contacts is 3mm, and rated current is 2A; Its live width of Copper Foil wire connecting for all ac contactor coil contacts is 1mm, and rated current is 0.9A; Its live width of Copper Foil wire connecting for all A.C. contactor auxiliary contacts is 1mm, and rated current is 0.9A.

All A.C. contactors are all upper by turning to soldered elements to be welded in described printed circuit board (PCB) P, turn to soldered elements to adopt Siemens 3RT1916-4KA1.

Always stop A.C. contactor KM1 and adopt Siemens 3RT60151AB01, there is o-volt protection function; Rising A.C. contactor KM2, decline A.C. contactor KM3 all adopt Siemens 3RT60151AB01, and rising A.C. contactor KM2 and decline A.C. contactor KM3 have reversiblely, by Siemens 3RA2912-2H mechanical lock 6, realize interlock function; Double speed A.C. contactor KM4 (high low speed conversion) adopts Siemens's four utmost point A.C. contactors, is two often to open two normally closed modes, and its model is 3RT25161AB00.

Claims (2)

1. the A.C. contactor connector assembly for Electric Chain Blocks, comprise that is always stopped an A.C. contactor, a rising A.C. contactor, a decline A.C. contactor and a double speed A.C. contactor, rising A.C. contactor and decline A.C. contactor are reversible, interlocking, double speed A.C. contactor is two often to open, two four normally closed utmost point contactors, it is characterized in that: also comprise a printed circuit board, described A.C. contactor is welded on this printed circuit board (PCB) jointly, this printed circuit board (PCB) has been laid with for described AC contactor main contact, the Copper Foil wire that coil contact is connected with auxiliary contact, the coil input end interconnection of described A.C. contactor, and always stop the main output of A.C. contactor and the primary input end of rising A.C. contactor is connected, the input of rising A.C. contactor, output respectively with decline A.C. contactor input, the corresponding connection of output, wherein two main outputs of rising A.C. contactor respectively with double speed A.C. contactor often open primary input end, normally closed primary input end is connected, all the other main outputs of rising A.C. contactor are connected with the main output power supply machine of double speed A.C. contactor input.

2. A.C. contactor connector assembly according to claim 1, is characterized in that: described printed circuit board (PCB) is the copper cladding plate with 0.15mm thickness copper layer, and its area is 150 * 150mm; Its width of Copper Foil wire connecting for main contact is 3mm, and rated current is 2A; Its width of Copper Foil wire connecting for coil contact is 1mm, and rated current is 0.9A; Its width of Copper Foil wire connecting for auxiliary contact is 1mm, and rated current is 0.9A.