CN201362531Y

CN201362531Y - Intelligent lifter control device

Info

Publication number: CN201362531Y
Application number: CNU200920084256XU
Authority: CN
Inventors: 李湘民; 吴光斌; 黄江民; 刘兵; 王磊
Original assignee: JOINHAND CONSTRUCTION MACHINERY CO Ltd
Current assignee: JOINHAND CONSTRUCTION MACHINERY CO Ltd
Priority date: 2009-03-16
Filing date: 2009-03-16
Publication date: 2009-12-16
Anticipated expiration: 2019-03-16

Abstract

The utility model relates to a control device, in particular to an intelligent lifter control device, which is composed of a floor calling module, an auxiliary controller, a signal transmitting and receiving module, a load detection and control module, a lifting carriage position detection module and a PLC module, wherein the floor calling module is connected with the signal transmitting and receiving module through wireless communication and is also connected with the PLC module through conducting wire; the PLC module is respectively connected with the auxiliary controller, a LCD display and operation screen, the load detection and control module, the lifting carriage position detection module and the frequency conversion drive and energy feedback module through conducting wires, the PLC module is used as control core for realizing real-time monitoring. The problems of low automation level, single function and non-real-time monitoring in prior art are solved; the utility model adopts large color LCD touch screen, not only can provide visual operation interface and state display, but also can provide large amount of history record information and greatly improves the safety of lifter.

Description

The elevator intelligence controlling device

Technical field:

The utility model relates to a kind of control setup, is specifically related to a kind of elevator intelligence controlling device.

Background technology:

Elevator is a kind of elevating gear that vertically transports personnel and material in the building operation, and it mainly is made up of guide rail bracket, cage, outer cage, driving device, safety device and attached wall structure etc.Along with framing member calculates, the progress of manufacturing capacity, the maximum antenna height of elevator is brought up to more than 250 meters for about 150 meters by the standard antenna height in past, and according to the demand in some special places, the elevator of particular design, manufacturing sets up height even above 400 meters.In contrast be, the control system of domestic building hoist is still traditional relay master mode mainly, this master mode automatization level is lower, function singleness, can not monitor in real time, its major defect has:

(1), between driver and each the stop workmen mostly by propagandaing directed to communicate or interphone is got in touch, and the environment of camp site is noisy, causes mistake to listen and maloperation easily.

(2), the cage running velocity is lower, conveying efficiency is low.

(3), the frequent inflexibility of motor that power is bigger starts, stops, the plant machinery part is easy to generate wearing and tearing, fatigue etc. because of frequently being subjected to sharp-pointed impact, makes also that simultaneously electric energy seriously consumes, and electrical network is caused great impact.

(4), do not have load detecting device, can only rely on the driver to control number of occupants and weight of material is controlled cage load, have the serious hidden danger of overload operation.

(5), do not have floor call and Presentation Function, the operation of cage is passive.

(6), do not select layer and story-leveling function, cage stops a layer low precision, causes difficulty for the turnover of personnel and material.

Owing to have above-mentioned major defect, conventional elevator can not satisfy new period user's requirement far away.Along with the progress of society, people-oriented has become a kind of trend of mechanical equipment development.Simultaneously, the security technology standard of the realm of building construction mechanical equipment has improved in country, and the safety, the reliability that therefore increase mechanical equipment have become inevitable choice instantly.

Summary of the invention:

The purpose of this utility model is: provide a kind of by using variable-frequency control technique and energy back technology to improve the operating efficiency of cage, save electricity, minimizing is to the impact of electrical network and to the wearing and tearing of equipment, by the PLC module as the control setup core, increase floor call and Presentation Function, load measuring ability, automatic choosing layer and story-leveling function, realize real-time status monitoring, utilize large-sized solor LCD touch-screen to improve the friendly of man-machine interface, make the elevator driver can clearly understand the elevator intelligence controlling device of residing state of elevator and position.

The utility model is to realize above-mentioned purpose by following technical solution:

A kind of elevator intelligence controlling device, it is by the floor call module, subcontrol, LCD show and the operation screen, the signal sending/receiving module, load detects and control module, the cage position detecting module, frequency conversion drive and energy back module, the PLC module constitutes, it is characterized in that: the floor call module is connected with the signal sending/receiving module through wireless communication signal, and is connected with the PLC module through lead; The PLC module shows and operates screen, load detection and control module, cage position detecting module, frequency conversion drive and energy back module with subcontrol, LCD respectively through lead and is connected.

Described floor call module is by call circuit, transmission circuit, and feed circuit constitute, and call circuit is connected with transmission circuit, and is connected with feed circuit respectively.

Described subcontrol by stroke limiter, phase sequence relay, over-and under-voltage protector, mainly make element, circuit breaker, relay, contactless switch form, can realize that the overload, electric leakage, overvoltage of elevator, under-voltage, phase sequence, Stroke Control etc. protect and traditional control system function.

Described load detects and control module is made up of sensor and singlechip controller, singlechip controller can amplify the analog signal of sensor output, A/D changes and signal conditioning, the analog signal conversion of sensor output is become cooresponding load information, and load information is transferred to the PLC module by the CAN bus.

Described PLC module is made up of control module, input/output module, communication module, and the status information, load information, the location information of cage, frequency converter status information, the LCD that receive and preserve floor call information, cage show and operate the input information of screen.

The utility model beneficial effect compared with prior art is:

This elevator intelligence controlling device is by using variable-frequency control technique and energy back technology, improved the operating efficiency of cage, saved power consumption, reduced to the impact of electrical network and to the wearing and tearing of equipment, and by the core of PLC module as control setup, set up floor call and Presentation Function, load measuring ability, selected layer and story-leveling function automatically, realized real-time status monitoring, made the elevator driver can clearly understand residing position of elevator and state.This device is used the color LCD touch-screen of giant-screen, and operation interface and state demonstration intuitively not only can be provided, and a large amount of history informations can also be provided, and has greatly improved the safety and the reliability of elevator.

Description of drawings:

Fig. 1 is the principle of work block scheme of elevator intelligence controlling device;

Fig. 2, Fig. 3, Fig. 4, Fig. 5 are the circuit diagram of elevator intelligence controlling device.

Among the figure: 1, floor call module, 2, LCD shows and the operation screen, 3, the signal sending/receiving module, 4, load detects and control module, 5, the cage position detecting module, 6, frequency conversion drive and energy back module, 7, subcontrol, 8, the PLC module.

The specific embodiment:

This elevator intelligence controlling device is by floor call module 1, LCD shows and operation screen 2, signal sending/receiving module 3, load detects and control module 4, cage position detecting module 5, frequency conversion drive and energy back module 6, subcontrol 7 and PLC module 8 constitute, floor call module 1 is connected with signal sending/receiving module 3 through wireless communication signal, and is connected with PLC module 8 through lead; PLC module 8 through lead respectively with subcontrol 7, LCD shows and operation screen 2 that load detects and control module 4, cage position detecting module 5, frequency conversion drive is connected with energy back module 6.The floor call module is by call circuit, transmission circuit, and feed circuit constitute, and call circuit is connected with transmission circuit, and is connected with feed circuit respectively.

In this elevator intelligence controlling device, floor call device module 1 is by call circuit, transmission circuit, and feed circuit constitute, and are installed on each floor.Call circuit is connected with transmission circuit, and is connected with feed circuit respectively, functions such as the reception of realization floor call sign, coding, transmission.The floor call device 3 of each floor is formed the floor call network, and the floor call network can extend to 99 layers at most along with any expansion of increasing of building floor.

Signal sending/receiving module 3 is installed in the cage top, is made up of floor call sign receptor, cage state transmitter-receiver and singlechip controller.Wherein, floor call sign receptor, cage state transmitter-receiver adopt the matured product on the market.Singlechip controller is realized the transmission of floor call sign, cage status signal based on CAN bus and PLC module.

Load detects and control module 4 is made up of sensor and singlechip controller, singlechip controller can amplify the analog signal of sensor output, A/D changes and signal conditioning, the analog signal conversion of sensor output is become cooresponding load information, and load information is transferred to PLC module 8 by the CAN bus.

Cage position detecting module 5 is made up of coder and code device signal read module.Coder is installed on the output shaft of motor or reductor.The code device signal read module is installed in frequency converter inside, by frequency converter the cage location information is transferred to PLC module 8.

Frequency conversion drive and energy back module 6 are formed by frequency converter with the supporting energy back unit of frequency converter.Frequency converter is realized the transmission of cage position and frequency converter state based on CAN bus and PLC module 8.

Subcontrol 7 by stroke limiter, phase sequence relay, over-and under-voltage protector, mainly make element, circuit breaker, relay, contactless switch form, can realize that the overload, electric leakage, overvoltage of elevator, under-voltage, phase sequence, Stroke Control etc. protect and traditional control system function.

PLC module 8 is made up of control module, input/output module, communication module, the status information, load information, the location information of cage, frequency converter status information, the LCD that receive and preserve floor call information, cage show and operate the input information of screen 2, realize the inquiry of historical information.

Frequency conversion drive and energy back module 6 also are simultaneously the driving cores that realizes that elevator craning cage moves up and down, and by frequency converter, cage can be realized underloading high speed, heavy-duty low-speed, improves conveying efficiency.By the energy back device, can give electrical network, energy savings with the energy back that produces in the cage decline process.Load detects and control module 4 can detect in real time to the load of cage, and will detect data and send to PLC module 8 by communication network.When cage overloaded, it can also use inner solid-state relay output control signal to cut off the operation of cage.Cage position detecting module 5 is for PLC module 8 provides the location information of cage, makes cage can realize operation of choosing layer and accurate flat bed, makes things convenient for the turnover of personnel and material and transports.PLC module 8 is absolute cores of elevator intelligence control system, rely on communication network, PLC module 8 earlier signal sending/receiving module 3, load is detected and the various status informations of control module 4, cage position detecting module 5, frequency conversion drive and energy back module 6 and subcontrol 7 are gathered, instruction is handled the status information that collects according to internal piloting then, at last result is fed back to above-mentioned module and passes to the LCD demonstration and operation screen 2.LCD shows and operation screen 2 is made of large-sized solor LCD touch-screen, on LCD demonstration and operation screen 2, all states of elevator are covered all at one glance, in case abnormal condition occur, LCD shows and operation screen 2 will send tangible sound and light alarm signal, reminds the driver to note.LCD shows and operation screen 2 also can realize selecting layer operation, the floor signal of choosing can be transferred to PLC module 8 by the numeral on the touch screen.

Claims

1, a kind of elevator intelligence controlling device, it is by floor call module (1), LCD shows and operation screen (2), signal sending/receiving module (3), load detects and control module (4), cage position detecting module (5), frequency conversion drive and energy back module (6), subcontrol (7) and PLC module (8) constitute, it is characterized in that: floor call module (1) is connected with signal sending/receiving module (3) through wireless communication signal, and be connected PLC module (8) by control module with PLC module (8) through lead, input/output module and communication module are formed, by lead respectively with subcontrol (7), LCD shows and operation screen (2), load detects and control module (4), cage position detecting module (5), frequency conversion drive is connected with energy back module (6).

2, elevator intelligence controlling device according to claim 1 is characterized in that: described floor call module (1) is by call circuit, transmission circuit, and feed circuit constitute, and call circuit is connected with transmission circuit, and is connected with feed circuit respectively.

3, elevator intelligence controlling device according to claim 1 is characterized in that: described load detects and control module (4) is made up of sensor and singlechip controller, and is connected with PLC module (8) by the CAN bus.

4, elevator intelligence controlling device according to claim 1; it is characterized in that: described subcontrol (7) makes element, circuit breaker, relay, contactless switch form by stroke limiter, phase sequence relay, over-and under-voltage protector, master, and is connected with PLC module (8) by the CAN bus.