CN2183981Y - Coding remote controller attached to tower crane - Google Patents

Abstract

The utility model discloses a wireless remote controller mainly used for tower cranes. A serial address code generating circuit and an instruction code generating circuit are used for sending out addresses and instructions; the addresses and instructions are sent out by a carrier wave transmitting circuit and are decoded and received by a carrier wave receiving circuit to drive a relay to perform. The contacts of the relay and an electric operation system of a tower crane are connected in parallel and respectively operated in a relatively independent way. The utility model has the advantages of simple structure and reliable performance; the utility model can improve the labour condition and the labor intensity of a driver of the tower crane, and simultaneously can realize the concentrated group control of a plurality of cranes.

Description

Coding remote controller attached to tower crane

The utility model discloses a kind of additional remote control equipment (RCE) that is mainly used in tower crane.

The operating control of self-raising tower crane is to adopt wired relay control, and operating personal must arrive in the operator's compartment, presses the control push button, and hoisting crane is implemented such as a series of actions such as lifting, luffing, revolution, jackings.Obviously, provide a cover additional wireless remote controller, can improve the service conditions of operating personal and reduce labor intensity.

Goal of the invention of the present utility model provides the wireless remote controller of the band coding on a kind of operation push button that is attached to former tower crane.

Technical essential of the present utility model is:

1, remote control equipment (RCE) has adopted the coding and decoding mode, and coding is divided into geocoding and data coding.The address code that is composed of locking in the acceptor circuit, different address codes that acceptor circuit is compiled is different, nearly 16384 kinds of the geocodings that may form.Has only when the geocoding of the geocoding of transtation mission circuit and acceptor circuit matches the data coding that acceptor circuit just admits transtation mission circuit to send.Usually, the coding of transtation mission circuit and acceptor circuit is corresponding one by one, and corresponding acceptor circuit action is only controlled in the control information that transtation mission circuit sends; In case of necessity, the geocoding in the scalable transtation mission circuit then, make it to be complementary with other acceptor circuits, to realize control to it, that is to say, part transtation mission circuit can be controlled several different acceptor circuits with the mode of " selective call ", and the operation control when this resets fully to there being number to erect on the building site provides convenience.

2, control information forms by 4 data bit are encoded, and can produce 16 kinds of action commands altogether, is enough to eight motors are finished forward and backward operation control.If use the encode circuit of 8 data bit, then action command can reach 256 kinds.

3, coding (comprising geocoding and data coding) signal all sends by the serial method of synchronization, by regulating clock arteries and veins frequency, can change transmission rate, so that realize good fit with transmission medium.

The utility model is achieved in that

One, transmit control device is made up of encode circuit and carrier transmit circuit two parts.

The core of encode circuit is YYH26(1IC ₂), it can finish coding and serial synchronized transmission function.Coding is divided into geocoding and command encoding.1IC ₂2～8 legs are geocoding ends, these seven legs respectively have four kinds of different connections, promptly connect+5V, ground connection, unsettled, connect the 1st leg, like this, the coded number that seven lead legs can constitute has 4 ⁷=16384 kinds.In circuit diagram, for simplicity's sake, with the whole ground connection of 2～8 legs, this is one of the simplest encoding state.

Command encoding is by 1IC ₂10～13 lead legs realize, can finish coding to 16 kinds of instructions.In this circuit, consider that tower crane has jacking, revolution, walking, four kinds of functions of luffing, and every kind of function all there is the action of forward and backward, control operation has eight kinds, thus be provided with eight instructions, by eight button AN ₁～AN ₈With 13 diode D ₁～D ₁₃Realize command encoding.As press AN ₅, 1IC then ₂10 legs (2 ⁰) and 12 legs (2 ²The position) be high potential, 11 legs (2 ¹) and 13 legs (2 ³The position), be active potential, promptly 0101, this has just finished command encoding.

1IC ₂Automatically convert parallel geocoding and command encoding signal to the serial binary signal, by the output of the 17th leg, process is by 1BG ₄Behind the isolation level of forming to the promotion level 1BG of carrier transmit circuit ₂Carry out keying, obtain amplitude-modulated signal, and then by power amplifier level 1BG ₃Amplify after antenna is launched.

1BG ₁Constitute the crystal oscillator level, oscillation frequency is 13.5725MHZ, through promoting level 1BG ₂Frequency multiplication, the CF signal of 27.145MHG.Power amplifier level 1BG ₃Be operated in the Class C state, 1L ₃～1L ₆, 1C ₁₁～1C ₁7 constitute low-pass filter, are used for suppressing second harmonic, also in order to reach matched well with antenna.

Two, receiving actuator

By the carrier wave acceptor circuit by 2BG ₁～2BG ₇Constitute.2BG ₁Height is put level; 2BG ₅Be the local oscillator level, produce the local oscillation signal of 27.61MHz; 2BG ₂Be mixer stage, the intermediate-freuqncy signal of mixing output 465KHz; 2BG ₃For in put level, its output signal is by 2D ₁(2AP9) carry out detection; 2BG ₄Be isolation level, 2D ₂(2AP9) signal that detects is carried out rectification, get a direct current signal, height is put level carry out automatic gain control; 2BG ₆Serve as to hang down and put 2BG ₇Serve as to hang down and put double shaping, its output wave shape is the serial binary signal preferably.

Decoding circuit is by 2IC ₂(YYH27) constitute, its 2～8 legs also constitute the geocoding end, and its coded system also has 4 ⁷=16384 kinds.Key issue is, 2IC ₂Geocoding must fit like a glove 2IC with the geocoding mode that sends part YYH26 ₂Could instruct decoding to the signal that receives.

In this circuit, 2IC ₂The whole ground connection of 2～8 legs, identical with transtation mission circuit, work as 2IC ₂14 legs receive the serial binary signal after, through comparing to determine geocoding coupling, then 17 leg high potentials are decoded to command signal simultaneously.For example, AN5 presses F in the transtation mission circuit, and promptly command encoding is 0101 o'clock then 2IC ₂13,12,11,10 legs be output as 0,1,0,1 respectively, instruction decoding output that Here it is.

Executive circuit is by two～decimal digit demoder 74LS145(2IC ₃) form, it can be converted into tetrad ten tunnel outputs, has used its eight tunnel output, i.e. the 2nd, 3,4,5,6,7,9,10 legs here.When demoder YYH27 is output as 0101, deliver to 12～15 legs of 74LS145, the 6th leg output drive signal accordingly then, relay J ₅Action, the open contact closure.If this open contact is to be connected on the turning motor shift knob of hoisting crane, then the closing of contact is equivalent to shift knob and presses, and hoisting crane will be to certain direction revolution.

The model machine of this device works in the 27MHZ frequency range, has adopted the amplitude modulation mode; Certainly also other frequency ranges can be selected,, also mode of frequency regulation can be adopted as 49MHZ, 78MH, 144MH2 etc.

This device can be provided with different codings owing to be provided with geocoding to different tower cranes, can avoid like this influencing each other.A controller can only be controlled cooresponding hoisting crane (the address code person of matching), can not produce control action to other hoisting cranes, and this has just prevented the accident that intersection control may cause.

This device has additivity, as long as close receiver power supply, then still can carry out conventional control operation to hoisting crane.Remote control equipment (RCE) can not change original function.

In sum, a kind of tower crane additional code remote control equipment (RCE), by comprising transmit control device that a carrier transmit circuit constitutes and, it is characterized in that by comprising that receiving actuator two parts that a carrier wave acceptor circuit constitutes are formed:

The modulation input end of the carrier transmit circuit of A, transmit control device and a code signal amplifying circuit (1BG ₄) mouth link, the input end of code signal amplifying circuit and one are by coding integrated circuit (1IC ₂), diode (1D ₁～1D ₁₃) matrix circuit, control button (AN ₁～AN ₈) the coded signal mouth of the geocoding command encoding serial generation circuit that connect to constitute successively links;

The detection mouth of the carrier wave acceptor circuit of B, receiving actuator inserts by crystal three-phase pipe (2BG ₄, 2BG ₆, 2BG ₇The isolation level of Zu Chenging, low discharging grade and the low shaping amplifier three-stage amplifier of putting successively, its mouth (2BG7 collecting electrode) and decoding integrated circuit (2IC ₂) input end (14 leg) of the decoding circuit that constitutes links decoding integrated circuit (2IC ₂) mouth (10,11,12,13 pin) with by integrated circuit (2IC ₃Two input ends to decimal decoder (12,13,14,15 pin) that constitute link, two mouths (2,3,4,5,6,7,9,10 pin) to decimal decoder respectively with control relay (J ₁～J ₈) control coil link control relay (J ₁～J ₈) open contact and the parallel connection of the operation of tower crane control push button.

Major advantage of the present utility model is a simple structure, stable performance, and control is reliable, and is in parallel with original control operating control, do not influence the in-use performance of the original electric apparatus control apparatus of tower crane.In addition, this installation cost is low, but team control is easy to promote.

Figure of description 1 is the circuit diagram of transmit control device of the present utility model.

Figure of description 2 is circuit diagrams of receiving actuator of the present utility model.

Among the embodiment of the present utility model, the list of components and parts is as follows:

2BG 1	Silicon triode	C930
			2BG 1、2BG 5	Silicon triode	9018
2BG 3、2BG 6	Silicon triode	3DG6C
			2BG 4	Silicon triode	3CG5
2BG 7	Silicon triode	3DK3
			2D 1、2D 2	Germanium diode	2AP9
2D 3～2D 10	Silicon diode	2CZ52
			2IC 1	Three terminal regulator	CW7805
2IC 2	Decoding integrated circuit	YYH27
			2IC 3	Two to the decimal digit decoder	74LS145
J 1～J 8	Relay	JRX-13F
			2XT1	Crystal	13.805MHZ
1BG 3	Silicon triode	3DG12C
			1BG 4	Silicon triode	3DK3
1D 1～1D 13	Silicon diode	IN4148
			LED	Light-emitting diode
1IC 1	Three terminal regulator	CW7805
			1IC 2	The coding integrated circuit	YYH26
1XT1	Crystal	13.5725MHZ
			1BG 1、1BG 2	Silicon triode	9018

Claims (1)

1, a kind of tower crane additional code remote control equipment (RCE), by comprising transmit control device that a carrier transmit circuit constitutes and, it is characterized in that by comprising that receiving actuator two parts that a carrier wave acceptor circuit constitutes are formed:

The modulation input end of the carrier transmit circuit of A, transmit control device and a code signal amplifying circuit (1BG ₄) mouth link, the input end of code signal amplifying circuit and one are by coding integrated circuit (1IC ₂), diode (1D ₁～1D ₁₃) matrix circuit, control button (AN ₁～AN ₈) the coded signal mouth of the geocoding command encoding serial generation circuit that connect to constitute successively links;

The detection mouth of the carrier wave acceptor circuit of B, receiving actuator inserts by crystal three-phase pipe (2BG ₄, 2BG ₆, 2BG ₇The isolation level of Zu Chenging, low discharging grade and the low shaping amplifier three-stage amplifier of putting successively, its mouth (2BG7 collecting electrode) and decoding integrated circuit (2IC ₂) input end (14 leg) of the decoding circuit that constitutes links decoding integrated circuit (2IC ₂) mouth (10,11,12,13 pin) with by integrated circuit (2IC ₃Two input ends to decimal decoder (12,13,14,15 pin) that constitute link, two mouths (2,3,4,5,6,7,9,10 pin) to decimal decoder respectively with control relay (J ₁～J ₈) control coil link control relay (J ₁～J ₈) open contact and the parallel connection of the operation of tower crane control push button.

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