QC/T 695-2002 English PDF (QCT695-2002)

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QC/T 695-2002: Auto Universal Relay
QC/T 695-2002
QC
NATIONAL AUTOMOTIVE INDUSTRY
STANDARD OF THEPEOPLE’S REPUBLIC OF CHINA
Record No.. 11683-2003
Automotive General-Purpose Relay
ISSUED ON. MARCH 6, 2003
IMPLEMENTED ON. AUGUST 1, 2003
Issued by. State Economic and Trade Commission of the PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Definitions ... 4
4 Requirements ... 5
5 Test Methods ... 8
6 Inspection Rules ... 10
7 Mark, Package, Storage and Preservation ... 11
Foreword
This Standard was prepared in accordance with the standard preparation and
modification plan of National Technical Committee of Auto Standardization, combined
with the development demand of domestic auto market. This Standard refers to foreign
advanced auto enterprise standard like Japan in the field of technical contents. The
preparation rules shall take GB/T 1.1-2000 and GB/T 1.2-2002.
This Standard was proposed by China Machinery Industry Federation.
This Standard shall be under the jurisdiction of National Technical Committee of Auto
Standardization.
Drafting organization of this Standard. Shanghai SIIC Transportation Electric Co., Ltd.
Chief drafting staffs of this Standard. Liu Ye, Zhou Zuoyan, Li Cong, and Tang
Fengchun.
Automotive General-Purpose Relay
1 Scope
This Standard specifies the technical requirements, test methods and inspection rules,
mark, package, storage and preservation of automotive general-purpose relay.
This Standard is applicable to the automotive DC circuit mechanical contact type
electromagnetic relay (including plug-in small general-purpose relays and other
installation of relays, hereinafter referred to as relay).
2 Normative References
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For dated references, the subsequent amendments
(excluding corrigendum) or revisions do not apply to this Standard, however, parties
who reach an agreement based on this Standard are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition
of the referenced document applies.
GB/T 2408-1996 Plastics-Determination of the Burning Behaviour of Horizontal
and Vertical Specimens in Contact with a Small-Flame Ignition Source
JB/T 4159-1999 General Technical Requirements for Electric Products in the
Tropics
QC/T 73 Method of Compiling Model of Automobile Electric Equipment Product
QC/T 78-1993 Automotive Plug-In Relay and Flasher Mounting Dimension
QC/T 413-2002 Basic Technical Requirements for Automotive Electric Equipment
3 Definitions
This Standard adopts the following definitions.
3.1 Normally open contact
The contact that is in the disconnecting state, when the relay coil is not energized.
3.2 Normally closed contact
stipulate din Table 1 of QC/T 413; and perform low-temperature test for 8h as per the
selected lower limit storing temperature; when restoring to the room temperature, the
relay’s operating voltage, release voltage and contact voltage drop shall meet the
requirements of 4.6.1 and 4.6.2.
4.8.2 High-temperature resisting property
The relay can work as per the requirements in the upper limit working temperature
stipulate din Table 1 of QC/T 413; and perform high-temperature test for 8h as per the
selected upper limit storing temperature; when restoring to the room temperature, the
relay’s operating voltage, release voltage and contact voltage drop shall meet the
requirements of 4.6.1 and 4.6.2.
4.8.3 Temperature-change resisting property
Perform the temperature-change resisting property test as per the requirements of
3.10.3 of QC/T 413; after the completion of test and the temperature restoring to the
room temperature, the relay’s operating voltage, release voltage and contact voltage
drop shall meet the requirements of 4.6.1 and 4.6.2.
4.9 Product temperature-and-humidity-change resisting property
Perform the temperature-and-humidity-change resisting property test as per the
requirements of 3.11 of QC/T 413; after the completion of test and temperature
restoring to the room temperature, the relay’s contact voltage drop shall meet the
requirements of 4.6.2.
4.10 Vibration property
Under non-working conditions, the installation position shall be “other positions”
according to Table 3 in 3.12 of QC/T 413, the relay shall withstand sweep vibration test
from three directions, namely, X, Y, Z; after the completion of test, relay shall meet the
requirements of 4.6.1 and 4.6.2.
4.11 Salt spray resisting property
Under non-working conditions, according to the provisions of 3.13 of QC/T 413,
perform 48h salt spray test against the relay; after the completion of test, the relay’s
operating voltage and release voltage shall meet the requirements of 4.6.1.
4.12 Durability
The working times for relay durability shall be 100 000 times, which can also be
determined by the client’s specific demand. After the durability test, the relay’s
operating voltage and release voltage shall conform to the provisions of 4.6.1;
compared with Table 3, the contact voltage drop can increase 50%.
5.7 Insulation and voltage resisting test
Perform the insulation and voltage resisting test against the specimen according to the
method stipulated in 4.8.1 of QC/T 413; which shall conform to the provisions of 4.7.
5.8 Temperature resisting property test
5.8.1 Low-temperature test
Firstly, check whether the relay can start under the lower limit working temperature;
then perform the low-temperature storing test according to the test methods stipulated
in 4.10.1 of QC/T 413; after the completion of the test, placing the relay under room
temperature for 1h, its property shall conform to the provisions of 4.8.1.
5.8.2 High-temperature test
Firstly, check whether the relay can start under the upper limit working temperature;
then perform high-temperature storing test according to the test methods stipulated in
4.10.2 of QC/T 413; after the completion of the test, placing the relay under room
temperature for 1h, its property shall conform to the provisions of 4.8.2.
5.8.3 Temperature-change test
Perform the temperature-change test according to the test methods stipulated in 4.10.3
of QC/T 413; after the completion of the test, placing the relay under room temperature
for 1h, its property shall conform to the provisions of 4.8.3.
5.9 Composite temperature/humidity cycling test
Perform the composite temperature/humidity cycling test according to 4.11 of QC/T
413; after the completion of test, and restoring to the room temperature; the relay
property shall conform to the provisions of 4.9.
5.10 Vibration test
Perform the test according to the methods stipulated in 4.12 of QC/T 413; after the
completion of test, the relay property shall conform to the provisions of 4.10.
5.11 Salt spray test
Perform the salt spray test for 48h according to 4.13 of QC/T 413; after the completion
of test, the relay property shall conform to the provisions of 4.11.
5.12 Durability test
Perform the durability test against the relay according to the prescribed wiring mode
and load property parameters; one cycle (or one time) of test indicates the test is
energized for 2s and not energized for 3s; after the completion of test, the property