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GB/T 12996-2012Electrically powered wheelchair (English PDF)

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine

Level / Type

National · Recommended

Issue date

December 31, 2012

Implementation date

May 1, 2013

Scope

GB/T 12996-2012 (Electrically powered wheelchair) is available as an English-translated PDF.

GB/T 12996-2012 is the Chinese standard "Electrically powered wheelchair".

Its scope clause reads: This standard specifies the terminology and model naming-principle, surface requirements, assembly requirements, dimensional requirements, performance requirements, strength requirements, flame retardancy, climate, requirements of power and control system, corresponding test methods and inspection rules for electrically powered wheelchairs, requirements for the publication, marking and packaging of documentation data on wheelchairs.

This standard is applicable to all kinds of electrically powered wheelchairs (including scooters) driven by electric energy, which are used by disabled persons or elderly people, only accommodates one passenger whose mass does not exceed 100 kg, that is, the following electrically powered wheelchairs as classified according to GB/T 16432.

Manually-steering electrically powered wheelchairs (such as scooters); Power-steering electrically powered wheelchair. This standard does not apply to electrically powered manual wheelchair.

Its clauses include terms and definitions; classification and model naming-principle; requirements; inspection report; inspection rules. It was issued by the General Administration of Quality Supervision, Inspection and Quarantine on 2012-12-31 and took effect on 2013-05-01.

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Document preview — GB/T 12996-2012

National Standard of the People's Republic of China

ICS: 11.180
Classification: Y 14

Issued by: General Administration of Quality Supervision, Inspection and Quarantine

Foreword...3
1 Scope...4
2 Normative references...4
3 Terms and definitions...5
4 Classification and model naming-principle...7
5 Requirements...7
6 Test dummy...11
7 Test methods...11
8 Inspection report...18
9 Inspection rules...18
10 Instructions, markings, packaging...20

1 Scope

This standard specifies the terminology and model naming-principle, surface requirements, assembly requirements, dimensional requirements, performance requirements, strength requirements, flame retardancy, climate, requirements of power and control system, corresponding test methods and inspection rules for electrically powered wheelchairs, requirements for the publication, marking and packaging of documentation data on wheelchairs.

Manually-steering electrically powered wheelchairs (such as scooters);

Power-steering electrically powered wheelchair.

This standard does not apply to electrically powered manual wheelchair.

2 Normative references

The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this standard.

GB/T 191 Packaging - Pictorial marking for handling of goods

GB/T 14729 Wheelchair - Terms

GB/T 16432 Technical aids for persons with disabilities - Classification and terminology

GB/T 18029.1-2008 Wheelchairs - Part 1.Determination of static stability (ISO 7176-1.1999, IDT)

GB/T 18029.2-2009 Wheelchairs - Part 2.Determination of dynamic stability of electric wheelchairs (ISO 7176-2.2001, IDT)

GB/T 18029.3-2008 Wheelchairs - Part 3.Determination of effectiveness of brakes (ISO 7176-3.2003, IDT)

GB/T 18029.4-2009 Wheelchairs - Part 4.Energy consumption of electric wheelchairs and scooters for determination of theoretical distance range (ISO 7176-4.1997, IDT)

GB/T 18029.5-2008 Wheelchairs - Part 5.Determination of overall dimension, mass and turning space (ISO 7176-5.1986, IDT)

GB/T 18029.7-2009 Wheelchairs - Part 7.Determination of seating and wheel dimensions (ISO 7176-7.1998, IDT)

GB/T 18029.8-2008 Wheelchairs - Part 8.Requirements and test methods for static impact and fatigue strengths (ISO 7176-8.1998, IDT)

GB/T 18029.9-2008 Wheelchairs - Part 9.Climatic tests for electric wheelchairs (ISO 7176-9.2001, IDT)

GB/T 18029.10-2009 Wheelchairs - Part 10.Determination of obstacle- climbing ability of electric wheelchair (ISO 7176-10.1988, IDT)

GB/T 18029.11-2008 Wheelchairs - Part 11.Test dummies (ISO 7176-

11.1992, IDT)

GB/T 18029.14-2012 Wheelchairs - Part 14.Power and control systems for electrically powered wheelchairs and scooter - Requirements and test methods (ISO 7176-14.2008, IDT)

GB/T 18029.15-2008 Wheelchairs - Part 15.Requirement for information disclosure documentation and labelling (ISO 7176-15.1996, IDT)

GB/T 18029-2000 Wheelchairs - Resistance to ignition of upholstered parts

- Requirements and test methods (ISO 7176-16.1997, IDT)

3 Terms and definitions

The terms and definitions as defined in GB/T 14729, GB/T 18029.7-2009, GB/T

18029.8-2008, GB/T 18029.11-2008 and GB/T 18029.15-2008 as well as the following terms and definitions apply to this document.

3.1

Electrically powered wheelchair

A wheeled personal mobility device with seat support that can be operated by an occupant or caregiver, driven by one or more motors, with electrically

Supplementary weights

The object used, when the testing personnel is used instead of the test dummy, to increase the weight, so that the total load and load distribution of the wheelchair is consistent with the corresponding dummy (see 5.5 of GB/T

18029.3-2008).

4 Classification and model naming-principle

4.1 Electrically powered wheelchairs are divided into three categories according to the use requirements.

Electrically powered wheelchair for indoor use is represented by the uppercase Chinese pinyin letter N.

Electrically powered wheelchair for outdoor use is represented by the uppercase Chinese pinyin letter W.

Electrically powered wheelchair for road use is represented by the uppercase Chinese pinyin letter L.

Note. The scooter also includes the above three categories.

4.2 Model naming-principle can be carried out according to the manufacturer's corporate technical specifications, but the principles for model naming-principle must be stated in its product specification (see 3.7).

4.3 It shall indicate the type of product (indoor, outdoor or road type) in the model.

5 Requirements

5.1 Surface requirements

5.1.1 The outer surface of the wheelchair’s parts and all the parts that can be touched by the hand shall be flat and smooth, free from sharp edges, burrs, sharp corners, etc.

5.1.2 All soft packed parts of wheelchairs shall be soft and elastic, the seams shall be firm and tidy. There shall be no defects such as wrinkles, fading, jumpers and breakage on the outer surface.

5.2 Assembly requirements

5.2.1 After the wheelchair is assembled, its functions shall be able to be used normally according to the manufacturer’s instructions. All rotating and moving

5.6.6 Overvoltage protection of controller

When charging, the battery’s voltage may exceed its rated voltage. At this higher voltage, the wheelchair shall not malfunction.

5.6.7 Protection of motor stalling

Once the wheelchair is hitting an obstacle in the driving process (such as a higher curb stone of the sidewalk), the drive motor will stall. Therefore, wheelchairs shall have protective measures to prevent motor from overheating or permanent damage.

5.6.8 Insulation

The wheelchair’s frame, motor’s housing, battery’s housing and controller’s housing shall not be connected to any other live parts of the battery pack or electrical system. The DC current between them shall be not more than 5 mA.

5.6.9 Protection of non-insulated electrical components

Users and caregivers shall not be shocked or burnt by contact with non- insulated parts when using a wheelchair, meanwhile the wheelchair shall not malfunction due to this.

5.6.10 Circuit protection

All wires and connections of the wheelchair shall be properly protected from the overcurrent of the wheelchair’s power supply or the externally connected power source.

5.6.11 Test of power consumption

The power consumption of wheelchairs is not allowed to exceed 15% of the manufacturer’s specified indicators.

5.6.12 Signaling device

The electrically powered wheelchairs for road use shall have various specified signaling devices such as horn, steering, lighting, braking.

5.7 Fatigue strength of parking brake

When tested according to the provisions of 7.6, it shall not produce brake displacement or change of brake performance.

5.8 Flame-retardancy of seat (back) cushion

When tested according to the provisions of 7.7, the seat cushion of the wheelchair shall not undergo progressive smoldering and flame burning during

Place the electrically powered wheelchair on a flat pavement, make it drive forwards at the maximum speed. The traveling distance at maximum speed is

5 m, then make the brake produce the maximum braking effect, maintain this state until the electrically powered wheelchair is forced to stop, measure and record the distance from the point where the maximum braking effect is generated by the brake of the wheelchair to the point of final parking, rounded to 100 mm. Repeat the test for three times, calculate the average.

7.4.2.2 Test of maximum safe slope

Place the electrically powered wheelchair on the maximum safe slope corresponding to the electrically powered wheelchair and drive down the slope at the maximum speed. The traveling distance at maximum speed is 2 m, then make the brake generate the maximum braking effect, maintain this state until the electrically powered wheelchair is forced to stop. Measure and record the distance from the point where the maximum braking effect is generated by the brake of the wheelchair to the point of final parking, rounded to 100 mm. Repeat the test for three times, calculate the average.

7.4.3 Slope-parking performance

The slope-parking performance of the wheelchair shall be determined in accordance with the provisions of 7.2 of GB/T 18029.3-2008.

7.4.4 Determination of static stability

7.4.4.1 Longitudinal forward-tilting

The static stability of the longitudinal forward-tilting of the wheelchair shall be tested in accordance with the provisions of clause 9 of GB/T 18029.1-2008.

7.4.4.2 Longitudinal backward-tilting

The static stability of the longitudinal backward-tilting of the wheelchair shall be tested in accordance with the provisions of clause 10 and clause 11 of GB/T

18029.1-2008.

7.4.4.3 Lateral-tiling

The static stability of the lateral-tilting of the wheelchair shall be tested in accordance with the provisions of clause 12 of GB/T 18029.1-2008.

7.4.5 Determination of dynamic stability

7.4.5.1 Backward

The backward dynamic stability of the wheelchair shall be tested in accordance with the provisions of 8.1 ~ 8.4 of GB/T 18029.2-2009.There shall be no tilt on continuous driving distance shall be not less than 5 m. If the wheelchair stops in the driving process due to electrical appliances or other causes, it shall be deemed that the wheelchair cannot climb the slope of this angle.

7.4.9 Determination of the minimum radius of gyration

The minimum radius of gyration of a wheelchair shall be determined in accordance with 7.1 of GB/T 18029.5-2008.

7.4.10 Theoretical driving distance

The theoretical driving distance of the wheelchair shall be tested in accordance with the provisions of clause 7 of GB/T 18029.4-2009.

7.5 Test of power and control systems

7.5.1 Test method of control switch

Place the wheelchair on the inclined test track, face downhill, turn off the wheelchair’s power, then try to drive the wheelchair, to see whether the wheelchair is moving.

7.5.2 Colors and signs of wires connected to battery

Use the visual inspection and observation methods to determine whether the requirements of 5.6.2 are met.

7.5.3 Charger

Use the visual inspection and observation methods to determine whether the requirements of 5.6.3 are met.

7.5.4 Test of driving-suppression during charging

It is tested according to the provisions of 8.9.3 of GB/T 18029.14-2012.

7.5.5 Control signal when the power is turned on

It is tested according to the provisions of 8.3.2 of GB/T 18029.14-2012.

7.5.6 Overvoltage protection of controller

It is tested according to the provisions of 8.6 of GB/T 18029.14-2012.

7.5.7 Protection of motor stalling

On the level ground, make the wheelchair facing the wall, make sure that the wheelchair’s drive wheel does not rotate, drive forward at full power for 3 minutes, the components are not damaged, the motor is not damaged.

GB/T 18029.8-2008, the type electrically powered wheelchair for indoor use may be exempted of the drop test.

7.9 Test of climate requirements

The climate test of wheelchairs shall be carried out in accordance with the requirements of GB/T 18029.9-2008.

8 Inspection report

The inspection report shall include the following.

a) The type, model and name of the product, the exit-factory number of product;

b) The name and address of the manufacturer;

c) A picture of the wheelchair being tested;

d) The name and address of the inspection agency;

e) The reference value of the test item in clause 5;

f) The mass of the test dummy used;

g) The date of test and the signature of the testing personnel;

h) Conclusions on whether the wheelchair tested meets the requirements of this standard.

9 Inspection rules

9.1 Exit-factory inspection

9.1.1 Each wheelchair shall pass the inspection of the manufacturer's quality inspection department and be accompanied by a certificate before exit-factory.

9.1.2 The exit-factory inspection is carried out as follows.

a) Surface requirements (inspected in accordance with 5.1).

b) Assembly requirements (inspected in accordance with 5.2).

c) Performance requirements (inspected in accordance with 5.5).

Performance inspection include maximum speed, braking performance, slope-parking performance, cross-barrier height, cross-ditch width, slope

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 14729 · GB/T 16432 · GB/T 18029.1-2008 · GB/T 18029.3-2008 · GB/T 18029.4-2009 · GB/T 18029.5-2008 · GB/T 18029.7-2009 · GB/T 18029.8-2008 · GB/T 18029.9-2008 · GB/T 18029.10-2009 · GB/T 18029.11-2008 · GB/T 18029.14-2012 · GB/T 18029.15-2008

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