elevator parts overload sensor Type ECW-P1 Elevator Load Weighing Device

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Product Description:

Type ECW-P1 Elevator Load Weighing Device

INTRODTION MANUAL

This system is applicable to all elevators with moveable car platform in need of overload signals. This device is of extremely high performance-price ratio. This appliance is to overcome the inherent disadvantage of the mechanical overload switch and to replace it.

Main Property:

1. Working in a contactless and inductive way. No mechanical movement itself. Being directly installed in the original place of overload switch. No necessity of changing the mechanism of elevator car.

2. Adopting strong inductive magnet, improving the anti-interference of the system to the utmost.

3. The electrical property is in compliance with the standard of the International Electrotechnical Commission (IEC).

4. More accurately positioning, small overall size, easy installation and adjustment, simple structure and low price.

Technical Specification:

Application Range

Applicable to all elevators with moveable car platform in need of overload signal with a inspection clearance of 815.

2

Sensitivity

Overload turning pointRated load adjusting point±0.05

3

System Error

1.5% (540)

4

Output Mode

1 pair of relay dynamic CLOSE or dynamic OPEN contacts respectively with the capacity of DC/AC 48V/500mA.

5

Operation Ambient Temperature

-2555

6

Power Supply

AC/DC 24V(±10%)/15mA. The operating current of the whole machine100 mA.

7

Install Position

Moveable elevator car platform

8

Overall Size

Column of Φ24×83 mm

Working Principle:

This system weighs the elevator car load based on the principle of the elastic deformation of movable elevator car platform caused by loading with the HALL sensor measuring the change of displacement, fulfilling the aim of load weighing.

Adjustment

1. Please refer to the above figure to install this device with the connecting support (made by the customer himself) close to the middle part of the car platform as near as possible.

2. Let the magnet adhesive on the car platform with the marking-face right facing the induction point of the device.

3. Install and adjust this device so that the magnet on the car platform aims at the center point of its upper face. Meanwhile, assure the end face of this device in parallel with that of the magnet.

4. When elevator is of rated loaded, adjust this device up and down to make the indicator just turn from dark to bright (or oscillating), at this time, fasten this device and the adjustment is finished.    

The principle of system wiring:

Wire

Function

    Explanation

Red, black

Sys Operating Power

Operating Power   AC/DC24V(±10%)/100mA

Yellow, White

Overloading relay dynamic Close contact

Contact Capacity:

DC/AC 48V/500mA

Blue, green

Overloading relay dynamic Open contact

Comparison of the functions with other load weighing devices

EWD-H-P1

Mechanical overloading switch

Working Principle

By the use of Hall sensor, the working way of contactless induction is realized.

Advantages:①The system doesnt bear the elevator load directly, extending its life.Overloading signal is of point turning to position more accurately.No system damage caused by the insufficiency of overloading competence or mechanical vibration.

Directly bearing the effect and impact of elevator load, unstable and damageable.

Installingand  adjusting

Just adjust the system up and down so that the indicator will turn from dark to bright. At the turning point, fasten this device well.

Field adjustment is complicated.

Output signal

A pair of relay dynamic Close and Open contacts respectively.

Single function

Economic Analysis

⒈High ratio of property to price, easy use, high reliability.

Average

Others:

Accessory: Inductive magnet [20×20×4mm3]  1 piece        Fastening Nut: 2 sets

If there is any abnormality during adjustment or operation, contact our company directly.

Attention: The tombarthite magnet with strong magnetic is specially made for this products, please be careful in the installation process; do avoid the temperature above 100℃ in case of demagnetization; our company will not responsible for any loss for person and the device caused by unsuitbale operation otherwise.





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Q:Why is the construction elevator not so close to the structure?
Isn't there a car? Normally, the center line of the car should be in the same line as the support frame center. If the frame body (standard) get into the building, inevitably cause capsules center, usually the center of gravity and center is not a straight line on the standard section, capsules will force up and down roller, increase and the frame body wear, and certainly not safe.
Q:Does the new approach builder need a localizer test report
According to the current national standard "construction lifter safety regulation GB10055-2007 the provisions of article 11.1.9: for safety device can only be valid for use within the period of validity of calibration, the effective calibration period shall not exceed one year. According to the current industry standard "progressive construction lifter gear cone drum for safety device, the regulation of JG 121-2000: for safety device, no matter use or not, after the expiration of the valid inspection must be back to check calibration. The life of the safety device is five years. In order to ensure the safe use of the construction elevator, the construction elevator should be carried out every three months - the fall test and the formation record. It is recommended to refer to jgj215-2010, the safety technology regulations for building construction elevators.
Q:The working principle of construction elevator
The construction elevator is a kind of common name, its standard name should be the construction elevator, this is a kind of crane machine equipment. Construction lifter adopts modular structure, because it is used in construction process, the elevator needs to be constantly shift with the construction project, therefore its structure must be easy to disassembly and assembly. For example, after the site is used, the elevator is disintegrated and transported to another site for reassembly of construction elevators. So how does the construction elevator work? The construction elevator mainly carries the structural self-forming system, and the construction dependence is low. It more driven by force, drive devices are installed on the hanging basket, through the gear and rack drive system, the mutual cooperation, so as to realize the rise and fall of the elevator. You may have seen gear and rack in the mechanical clock, the gear is round, the rack is straight, and the two bite together to achieve the motion. The elevator work that is common in our residential and commercial buildings is different from the construction elevator. Most of the elevator parts are fixed in buildings, which are mainly carried by buildings. Its movement is achieved through wire rope.
Q:Is the construction elevator a special equipment
The construction elevator is a special equipment. Special equipment is related to life safety, greater danger of boilers, pressure vessels (including gas cylinders), pressure pipes, elevators, lifting machinery, passenger ropeway, large-scale amusement facilities and field special motor vehicles (factory) in these eight types of equipment. In order to guarantee the safe operation of the special equipment, the state of all kinds of special equipment, in three stages: from the production, use, the examination has strict rules, is a whole process supervision. According to a 2013-2017 China special equipment inspection testing industry market foresight strategic planning and investment analysis report statistics, by the end of 2011, the national special equipment comprehensive inspection agency has reached 545, including quality inspection department inspection institutions, industry inspection institutions and enterprises self-checking, in addition to type testing institutions, nondestructive testing institutions, cylinder inspection institutions, etc.
Q:How does the construction lift fall without electricity
This is not calculated according to the distance, it is calculated speed, when the anti-pendant achieves the rated speed, the pendant should be held automatically. It can't go on.
Q:What is the main function of the construction elevator safety guard
For safety device of construction hoist main effect is in the process of elevator used in times of emergency power, hit the brakes, let hoisting cage security attached on the guide rail frame, prevent the hoisting cage falling!
Q:The elevator is banned from using elevators for more than a class of high winds
According to the safety requirement is level 6, please adopt!
Q:Is there a specification requirement for the floor door of the elevator to the floor? How high
Layer should be made from steel door frame, Shanghai silk screen, and is equipped with solid and reliable locking device, elevator door layer, the process should be hanging cage crew operations, shall not be under the direct control of elevator lift cage's movement. The net height should not be lower than 1.80 m, and the width of the door should not be greater than 120mm.
Q:When building tall buildings, the machine that USES to lift concrete to wait for tall building
The concrete pump, which can be raised in a certain radius, is the tower crane.
Q:How many meters or how many layers should the construction elevator be installed?
In the guangdong area, the first installation and acceptance of the equipment will be below 7 levels, and more than 7 floors will be charged for the inspection. Another 9 meters per wall, the most suitable installation time is a building at least 12 meters, which can be installed at 21 meters in the evening.

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