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This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This document was proposed by and is under the jurisdiction of National Technical Committee on Elevators of Standardization Administration of China (SAC/TC 196).
Introduction
0.1 This document does not repeat all the general technical specifications applicable to any electrical and mechanical devices.
0.2 This document does not involve rescue operation without the use of automatic rescue power supply.
0.3 The lifts with automatic rescue operation device meet the relevant requirements of GB/T 7588.1-2020.
0.4 The supplier and the buyer have negotiated and reached an agreement on the following contents:
a) intended use, such as operating to a predetermined landing to release passengers;
b) environmental conditions, such as temperature, humidity and exposure to sunlight or corrosive gas;
c) installation site, such as matters related to machine space.
Automatic rescue operation device for lifts
1 Scope
This document specifies the technical requirements, automatic rescue power supply, test methods, inspection rules, marking, packaging, transportation and storage of automatic rescue operation device for lifts.
This document is applicable to passenger lifts and goods lifts driven by traction with power operated doors, and may be serve as a reference for other lifts.
This document is not applicable to rescue operations with human intervention.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB 4824 Industrial, scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement
GB/T 5226.1-2019 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T 5465.2-2008 Graphical symbols for use on electrical equipment - Part 2: Graphical symbols
GB/T 7024 Terminology of lifts, escalators, passenger conveyors
GB/T 7588.1-2020 Safety rules for the construction and installation of lifts - Part 1: Passenger and goods passenger lifts
GB/T 7588.2-2020 Safety rules for the construction and installation of lifts - Part 2: Design rules, calculations, examinations and tests of lift components
GB/T 10059-2009 Electric lifts - Testing methods
GB/T 13384 General specifications for packing of mechanical and electrical product
GB/T 14048.1-2012 Low-voltage switchgear and controlgear - Part 1: General rules
GB/T 16895.21-2011 Low-voltage electrical installations - Part 4-41: Protection for safety - Protection against electric shock
GB/T 17626.2 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test
GB/T 17626.3 Electromagnetic compatibility - Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field immunity test
GB/T 17626.4 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient/burst immunity test
GB/T 17626.5 Electromagnetic compatibility - Testing and measurement techniques - Surge immunity test
GB/T 17626.6 Electromagnetic compatibility - Testing and measurement techniques - Immunity to conducted disturbances induced by radio-frequency fields
GB/T 17626.11 Electromagnetic compatibility - Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests
GB/T 19638.1 Lead-acid batteries for stationary valve-regulated - Part 1: Technical requirements
GB/T 24474.1-2020 Measurement of ride quality - Part 1: Lifts (elevators)
GB/T 24807 Electromagnetic compatibility - Product family standard for lifts, escalators and moving walks - Emission
GB/T 24808 Electromagnetic compatibility - Product family standard for lifts, escalators and moving walks - Immunity
JB/T 11137 General requirement of lithium-ion battery assembly
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 7024 and GB/T 7588.1-2020 and the following apply.
3.1
automatic rescue operation
a series of operation occurred in case of power supply failure or cut-off of lift, including the automatic movement of car to the predetermined landing, the opening of lift car door and landing door, and then the closing of such doors after maintaining at open state for a certain period of time
3.2
automatic rescue operation device for lifts
device used to carry out automatic rescue operation device for lifts
3.3
automatic rescue power supply
power supply that is provided by an electric energy storage element or element combination (such as storage battery) for the electric energy required by the automatic rescue operation
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3.4
power supply failure
failure of the lift to stop operating unexpectedly due to phase loss or abnormal voltage of power supply
4 Technical requirements
4.1 General
4.1.1 When the lift is equipped with automatic rescue operation device, the device shall be a part of the lift control system, and its failure shall not affect the operation safety of the lift.
The automatic rescue operation of lift shall not cause the failure of any electrical safety device of the lift.
4.1.2 In addition to the requirements of this document, relevant supplementary requirements shall also be met in special cases (such as use by persons with disabilities, in case of fire, potentially explosive atmosphere, extreme climate conditions or seismic conditions, etc.).
4.2 Service conditions
4.2.1 Altitude
The altitude of installation site shall not exceed 1,000m.
When the altitude exceeds 1,000m, the selection of low-voltage electrical appliances shall be revised according to the requirements of GB/T 20645; the selection of automatic rescue power supply shall be revised according to its type.
4.2.2 Ambient temperature
The ambient temperature shall be maintained at 5~40℃.
4.2.3 Humidity
The relative air humidity at the operating site shall not exceed 50% at a maximum temperature of 40℃; a high relative humidity is allowed at a low temperature, but in the wettest month, the monthly average minimum temperature shall not exceed 25℃, and the monthly average maximum relative humidity shall not exceed 90%. If condensation may occur on the electrical equipment, corresponding prevention measures shall be taken.
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4.2.4 Pollution degree
The ambient air shall not contain corrosive and flammable gases, and the pollution degree shall not be higher than Grade 3 specified in GB/T 14048.1-2012, 6.1.3.2.
4.2.5 Working area
The working area of the machine space where the automatic rescue operation device for lifts is located shall meet the following requirements:
a) The net height of the working area shall not be less than 2.10m; a horizontal net area in front of the automatic rescue operation device for lifts shall be available, of which the depth shall not be less than 0.70m when measured from the outer surface of the automatic rescue operation device for lifts, and the width shall be 0.50m or the full width of the automatic rescue operation device for lifts, whichever is greater.
b) Permanently installed electrical lighting shall be used in the working area to ensure that the ground illumination of the personnel working area shall not be less than 200lx.
4.2.6 Access and access door to working area
4.2.6.1 The access to the working area shall meet the requirements of GB/T 7588.1-2020, 5.2.2.
4.2.6.2 The access door outside the well shall meet the requirements of GB/T 7588.1-2020, 5.2.3; the warning signs shall be arranged according to the requirements of GB/T 7588.1-2020, 5.2.4.
4.3 Structure
The structural design of the automatic rescue operation device for lifts shall reach the intended purpose and meet the following requirements:
a) the enclosure has a stable and durable protective effect, and can withstand the stress that may be generated during normal use, transportation and storage;
b) when installed outside the well, it shall meet the requirements of GB/T 7588.1-2020, 5.2.6.5.1;
c) the electrical and mechanical parts and components are easy to install, disassemble, maintain and operate.
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4.4 Electrical equipment and its connection
4.4.1 Electromagnetic compatibility
The electromagnetic compatibility of automatic rescue operation device for lifts shall meet the requirements of GB/T 24807 and GB/T 24808.
4.4.2 Protection against electric shock
4.4.2.1 General
The protection measures shall meet the requirements of GB/T 16895.21-2011.
A warning sign with graphic symbol 5036 as specified in GB/T 5465.2-2008 shall be arranged on the enclosure of the automatic rescue operation device for lifts, which shall be clearly visible on the door or cover of the enclosure.
4.4.2.2 Basic protection (protection against direct contact)
In addition to the requirements of 4.4.2.1, the requirements of GB/T 7588.1-2020, 5.10.1.2.2 shall also be met.
4.4.2.3 Residual voltage protection
It shall meet the requirements of GB/T 5226.1-2019, 6.2.4.
4.4.2.4 Additional protection
It shall meet the requirements of GB/T 7588.1-2020, 5.10.1.2.3.
4.4.3 Insulation resistance
It shall meet the requirements of GB/T 7588.1-2020, 5.10.1.3.
4.4.4 Withstand voltage requirements
For the automatic rescue operation device for lifts, a voltage of two times the maximum circuit voltage is applied between the power input circuit and the ground as well as between the power output circuit and the ground, and then 1,000V 50Hz sinusoidal alternating current is applied additionally for 1min, there shall be no breakdown or flashover, and the leakage current shall be less than 30mA.
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4.4.5 Contactor, contactor relay and safety circuit elements
They shall meet the requirements of GB/T 7588.1-2020, 5.10.3.
4.4.6 Protection of electrical equipment
4.4.6.1 General
With the electrical equipment protection in 4.4.6.2 and 4.4.6.3, the automatic rescue operation shall be stopped and the normal power supply circuit of the lift shall be restored.
4.4.6.2 Overcurrent protection of automatic rescue operation device
When the output current of the automatic rescue operation device for lifts exceeds the specified working current, the automatic rescue operation shall be stopped and the normal power supply circuit of the lift shall be restored.
4.4.6.3 Abnormal temperature protection
It shall meet the requirements of GB/T 5226.1-2019, 7.4.
4.4.7 Cut-off switch of automatic rescue power supply
The automatic rescue operation device for lifts shall be equipped with a non-automatic reset switch to cut off the output of the automatic rescue power supply, which shall meet the requirements of GB/T 5226.1-2019, 5.3.2 and 5.3.3.
4.4.8 Electrical wiring
It shall meet the requirements of GB/T 7588.1-2020, 5.10.6.
4.4.9 Earthing protection
It shall meet the requirements of GB/T 16895.21-2011, 411.3.1.1.
4.4.10 Vibration and impact
The printed-circuit board of the automatic rescue operation device for lifts shall be verified according to the method of GB/T 7588.2-2020, 5.6.3.1.
4.4.11 Designation
It shall meet the requirements of GB/T 7588.1-2020, 5.10.10.
4.5 Protection against electrical failure
Any one of failures in the electrical equipment of the automatic rescue operation device for lifts, if it cannot be excluded under conditions described in GB/T 7588.1-2020, 5.11.1.3 and GB/T 7588.2-2020, 5.15, shall not on its own be the cause of a dangerous failure of the lift:
a) absence of voltage;
b) voltage drop;
c) loss of continuity of a conductor;
d) insulation damage to ground or metal components;
e) short circuit or open circuit, change of parameter or function of electrical elements such as resistor, capacitor, transistor, lamp;
f) non-attraction or incomplete attraction of the moving armature of a contactor or relay;
g) non-separation of the moving armature of a contactor or relay;
h) non-opening of a contact;
i) non-closing of a contact;
j) phase dislocation.
4.6 Operation of automatic rescue operation device for lifts
4.6.1 General
The automatic rescue operation device for lifts shall be equipped with a device for automatically isolating the power supply of lift, which shall be able to cut off the power supply of lift when the automatic rescue operation device is acting. In case of any of the failures in 4.5 c), e), f), g), h) or i) in such device, the lift shall be prevented from automatic rescue operation and failure signals shall be provided.
When the automatic rescue operation device for lifts is acting, if the power supply of lift is restored, the device shall not affect the safe operation of the lift.
During the automatic rescue operation, the lift shall be prevented from leveling, re-leveling and preliminary operation when the door is opened.
Note: See Annex A for the typical flow chart of automatic rescue operation of lift.
Foreword i
Introduction ii
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
5 Automatic rescue power supply
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Informative) Typical flow chart of automatic rescue operation device for lifts
Bibliography
