CN101062754A

CN101062754A - Electric hoist inclined-pulling preventing SCM circuit control box

Info

Publication number: CN101062754A
Application number: CN 200610017722
Authority: CN
Inventors: 孙佩杰; 孙方博
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-25
Filing date: 2006-04-25
Publication date: 2007-10-31

Abstract

The single chip circuit control box comprises the motor gourd, coiling steel wire inside the reel barrel, down alternate contact, left and right running exchange contacts, electric cut off limit, line bank, sensor components, singe chip control box circuit, limit, control knob, and top and down motors. The steel wire on the fixed end of the hood of the motor gourd steel weir reel cylinder penetrates the curve surface with anti slant pulling sensor, whose output lead connected to the single chip, whose introducing lead connected with the trigger switch, the other lead input and output through lead with the top exchange contact long close input and output, using single chip control steel anti slant pulling. It is effective, reliable, accurate in receiving pulse signals.

Description

Electric hoist inclined-pulling preventing SCM circuit control box

Technical field:

The present invention relates to a kind of electric block when promoting weight, operate against regulations and the anti-a kind of power-off control circuit case that tiltedly draws.

Background technology:

Existing electric block is when promoting weight, because out of plumb promotes or operative employee's error in judgement, operate and cause the damage of electric block rope guide against regulations, even the overlapping row of steel rope is around deviating from from reel, hold the reel axis body, make electric block self outer cover draw bad, scrap, even cause motor to damage.

Summary of the invention:

Task of the present invention is to propose a kind of circuit control box and anti-oblique pull sensor assembly used, limiting device cooperates with electric block, can cut off the power supply reliably and prevent the electric block SCM circuit control box that sound and light alarm accurately is provided when tiltedly drawing violating the regulations, task of the present invention is finished like this, electric hoist inclined-pulling preventing SCM circuit control box, it comprises electric block, lay winding wire ropes in the reel, decline AC contactor 11, left lateral AC contactor 12, right lateral AC contactor 13, outage limiting device 14, line bank 15, it is characterized in that: control inclination-proof circuit breaking electricity is a sensor module 16, Single-chip Controlling case circuit 17, limiting device 18, control button 19, on/following motor 20 compositions, steel rope on the electric block cable drum outer cover fixed end penetrates in the curved body that anti-oblique pull sensor 2 is housed, sensor output lead 3 is connected with micro controller system 4, micro controller system 4 is drawn lead and is connected with toggle switch 5 respectively, can divide the third gear time preset, another root lead and miniature relay 6 are connected upward lifting motor by the long closed contact input 9 and the long closed contact output 10 of lead and rising AC contactor 8, constitute current supply circuit, when steel rope tilts to surpass presetting angle, sensor 2 output closure signal, send micro controller system 4 to by lead and promptly judge impulse singla according to preset time, if impulse singla is through judging effectively, promptly make it seal in rising AC contactor 8 and export the disconnection of 10 bonded assembly loops with long closed contact input 9 and long closed contact through lead connection miniature relay 6, last lifting motor outage, another root lead on the micro controller system 4 is connected 7 promptings of high-decibel combined aural and visual alarm and is tiltedly drawn warning simultaneously.Time can be preset 16 sections, 600 milliseconds every section.The present invention has following effect: adopt the Single-chip Controlling steel rope anti-tiltedly draw advantage to be can be effectively, the failure-free reception, the correct impulse singla of handling from sensor, and, cut off the rising motor power immediately through its judgement, examination, computing, output drive signal.

Description of drawings:

Fig. 1 is the circuit connection diagram of prior art electric block;

Fig. 2 is a circuit connection diagram of the present invention;

Fig. 3 is a block scheme of the present invention.

Drawing explanation: 1, steel rope, 2, sensor, 3, lead, 4, micro controller system, 5, toggle switch, 6, miniature relay, 7, combined aural and visual alarm, 8, the rising AC contactor, 9, long closed contact input, 10, long closed contact output, 11, the decline AC contactor, 12, the left lateral AC contactor, 13, right lateral AC contactor, 14, circuit fire stop, 15, line bank, 16 anti-oblique pull sensor assemblies, 17, Single-chip Controlling case circuit, 18, limiting device, 19, the control eletric button, 20, upper and lower motor.

The specific embodiment:

Describe embodiment in detail in conjunction with above accompanying drawing, decline AC contactor 11 as shown in Figure 1, left lateral AC contactor 12, right lateral AC contactor 13, circuit fire stop 14, line bank 15 is prior aries, do not remake bonded assembly description on the circuit, steel rope 1 on the electric block cable drum outer cover fixed end penetrates in the curved body that sensor 2 is housed, connect micro controller system 4 respectively from sensor 2 output leads 3, connect toggle switch 5 from micro controller system 4 output leads, can divide three retaining preset times, preset 16 periods, 600 milliseconds every section, micro controller system 4 is drawn output lead connection small relay 6 again, and rising motor formation current supply circuit is connected in the long closed contact input 9 and the long closed contact output 10 that seal in rising AC contactor 8 by lead, finishes normal lifting.When the normal lifting of electric block; because sensor 2 Triggerless; micro controller system detects less than impulse singla; the single-chip processor i/o mouth is output signal not; circuit is failure to actuate; the normal lifting of last lifting motor; when the electric block operation against rules takes place tiltedly to draw, when surpassing presetting angle 3-20 °, sensor 2 output closure signal; send micro controller system 4 to by lead; micro controller system 4 is promptly judged impulse singla, amplitude, time according to preset time; as calculated; relatively; when confirming that its impulse singla is effective; connect miniature relay 6 by output lead its long closed contact input 9 that seals in rising AC contactor 8 and long closed contact output 10 are disconnected, last lifting motor outage, micro controller system 4 is by another root output line conducting combined aural and visual alarm 7 anti-sound and light alarms that tiltedly draw simultaneously; thereby protected electric block effectively, increased the service life.

Claims

1, electric hoist inclined-pulling preventing SCM circuit control box, it comprises electric block, lay winding wire ropes in the reel, decline AC contactor (11), left lateral AC contactor (12), right lateral AC contactor (13), outage limiting device (14), line bank (15), it is characterized in that: control inclination-proof circuit breaking electricity is sensor module (16), Single-chip Controlling case circuit (17), limiting device (18), control button (19), on/following motor (20) composition, steel rope on the electric block cable drum outer cover fixed end penetrates in the curved body that anti-oblique pull sensor (2) is housed, sensor output lead (3) is connected with micro controller system (4), micro controller system (4) is drawn lead and is connected with toggle switch (5) respectively, can divide the third gear time preset, another root lead and miniature relay (6) are exported lifting motor in (10) connection by the long closed contact input (9) and the long closed contact of lead and rising AC contactor (8), constitute current supply circuit, when steel rope tilts to surpass presetting angle, sensor (2) output closure signal, send micro controller system (4) to by lead and promptly judge impulse singla according to preset time, if impulse singla is through judging effectively, promptly connecting miniature relay (6) through lead makes it seal in rising AC contactor (8) and long closed contact input (9) and long closed contact output (10) bonded assembly loop disconnection, last lifting motor outage, another root lead on the micro controller system (4) is connected high-decibel combined aural and visual alarm (7) prompting and is tiltedly drawn warning simultaneously.

2, electric hoist inclined-pulling preventing SCM control circuit case according to claim 1, it is characterized in that: the time can be preset 16 sections, 600 milliseconds every section.