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:Is the construction elevator the same as the construction elevator
Construction lifter and building construction elevator, manned cargo construction machinery is a frequently used in construction, because of its unique enclosure structure make it take up both comfort and safety, construction lifter is usually used with tower crane on the construction site, the average load in 1-3 tons, running speed is 1 to 60 m/min. There are many kinds of elevators in construction, there are no two kinds of weights and weights in the way of operation, and they are controlled by manual control and automatic control. You can also add inverter and PLC control modules as needed, and also add floor calling devices to the peace layer. The structure principle and characteristics of construction lifter: construction lifter for meet the needs of the lean construction bridge, chimney, etc, it according to the building shape, install the guide frame tilt, and hanging basket level, along the inclined guide plane running up and down.
Q:How does the construction lift fall without electricity
The lockers are finished with the report, unless there is a problem
Q:Are there any good signs in the construction elevator door
Above is construction, safety, please stay away from the ground.
Q:The construction of more than many floors must be used for construction elevators
The construction elevator, the average layer height above 12 floors need to be used, the hoist machine is not to go up to use the construction elevator to send a person to carry a few light things upstairs. Pre-installation preparation: After construction, the manufacturer will show the product certificate and provide the instruction manual. According to the technical requirement of installation safety technology checking list according to the construction elevator, the preparation should be inspected. The installation operator should hold the certificate, accept the technical, safety, etc., and make the safety operation rules for the construction lifter. 3, work environment: 1) the power supply must meet the requirement of power supply. 2) no electricity, gas welding or other obstacles to the operation of the crane are prohibited within the part of the elevator installations. 3) the platforms and channels that enter the building from the suspended cage shall reach the bearing capacity of more than two tons, and have strong protective barriers and protective doors. 4) it is forbidden to use guide rack, attached part scaffold, construction platform and the floor channel stretch, pipeline, rope, rope, banners, flags and other things has nothing to do with the elevator; In the evening homework, there should be sufficient illumination. 6) the doors to the floor will be kept in the door, each with a clear sign of the floor number.
Q:How large a leakage protector is used for the construction elevator
If it is 33KW, direct start, single cage, 160A, leakage action current 50ma-75ma, movement time 0.1 s, electrical machine leakage protector. The best.
Q:How do construction suspension scaffolding be handled in the people's elevator?
The shelf of the discharge platform is separated from the outer scaffolding and set up separately! Can't connect together
Q:When building tall buildings, the machine that USES to lift concrete to wait for tall building
It should be the ground pump, the center is the tower crane, the construction face is the concrete pump of the cloth machine to the construction method. The advanced cloth machine is the arm bracket of the pump car, can operate with the remote control, is as convenient as the pump car.
Q:Should a fire extinguisher be equipped in the construction elevator?
A fire extinguisher will be required for the 500kg of manned cargo construction elevators at 500kg or more.
Q:What is the height of protecting door protection of construction elevator
Currently tunnel door is no national standard, the only industry standards and enterprise standards, is important when choosing the tunnel door manufacturers see manufacturers have tunnel door production qualification and testing report. Formal manufacturer all have these qualifications, such as lei Chen group, tunnel protection door, explosion-proof door the qualification is very complete, you can be important consideration.
Q:Can construction elevators be taken by people or by goods
The construction elevator can be taken either by person or by cargo Material hoist (dragon door frame, well frame) can be carried only, not by person

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