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:How to save the elevator accident
Take escalator safety knowledge Passenger escalator before to keep checking your shoes clothing habits should fasten shoelaces wear skirt drag clothing such as optimum rolled up against the edge of the elevator, comb plate drag or stuck passengers carry baggage increase the risk of escalator accident now need extra or simply choose to take the stairs Escalator self-help hair accident? Every escalator, the stop button and denier hair escalator accident near the button passenger safety awareness should be kept between the first button escalator automatic stop energy efficiency to reduce accident damage Take escalator Cheng Shen fall should use to protect themselves as to avoid the rot slip or fall high neck should hands fingers crossed by strongly impact the dangerous clasped, protect brain neck elbows forward cover bilateral temporal pour knees bending forward as far as possible to protect the chest abdominal viscera side found important discoveries escalator before the sudden fall should the horse stopped footstep simultaneous for help inform passengers will forward near the accident should maintain a stable mood calm reason for avoiding the accident hair running blind hair stampede damage
Q:What about the energy efficiency of the escalator
Construction elevator adopts frequency conversion stepless speed, smooth braking, small impact on the grid, and energy saving effect is obvious, ordinary construction elevator running speed is 36 m/min, motor, 3 * 11 kw; Frequency conversion construction elevator running speed can reach at low speed: 0-46 m/min, motor: 2 * 11 kw, whether in theory or in practical construction, energy saving effect is remarkable, some developed coastal areas in frequency conversion construction elevator as mainstream products has become a trend.
Q:Is the construction elevator a special equipment
The construction elevator is special equipment, the installation and demolition of the special construction plan, after the installation, the special equipment can be tested and qualified for use
Q:Elevator installation approach, need to give the total package (inspect) what data, come a master to answer the detail point
In ten days: installation company qualification (including business license, qualification certificate, safety production license, organization code certificate and company performance, etc.), installation personnel qualifications (including the principal, special operations personnel, etc.), installation construction scheme (including the construction organization design, safety and civilized construction scheme, construction progress) The installation process: in materials to submit for approval (material inspection report, certificate, etc.), play equipment to submit for approval (mechanical factory qualified certificate, safe use license, etc.) After the construction is completed, the certificate of safety inspection (which needs to be provided by the special security agency)
Q:Is the elevator detail a construction plan? Do you have a detailed picture of the elevator?
You're talking about the elevator or the elevator shaft, the elevator is the equipment, the elevator manufacturer has the working paper. As for the elevator well according to the data of zxtech figure design, general construction diagram and structure diagram, industry make a steel cylinder or cone steel structure party sometimes out construction diagram, according to the structure of the construction
Q:The construction elevator can only go up can't come down what happened
It hasn't risen yet, how it has fallen! Is it a brain teaser?
Q:How many meters is the wall of the construction elevator?
I know the bunter lift is six meters so you can get it
Q:Should a fire extinguisher be equipped in the construction elevator?
The dual-purpose construction elevator should be needed
Q:The calculation of the use of electricity in the construction elevator
Use electricity in the field (1) lifting equipment class: tower crane 2, construction elevator 3; According to the table, K = 0.3 cos phi = 0.7 tg phi = 1.02 JC = 40% (temporary load) Pe = 2 times 63 + 3 times 11 = 159 (kW) And then power: PS = 2 times Pe = 2 times 159 = 201 (kW) Pjs1 = K * PS = 0.3 * 201 = 60.3 (kW) Qjs1 = tg phi by Pjs1 = 1.02 times 60.3 = 61.5 (kVA)
Q:The construction elevator should have those procedures
Construction elevator installation unit must have issued by the construction administration department of lifting equipment installation project specialized contracting qualification and construction enterprise safety production license, and within the scope of the qualification licensing business engaged in the installation of construction lifter removed.

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