We are in daily life
Electricity
Although there is
Dating and automatic power off
Such protection measures, but more attention is required.
For example
power supply
Safe use
aspect.
Plugs can connect more than one power plug, which saves space and line
use
Can’t do without a kind of thing, such things
For 12 years
, But there are still people
What is it? It is
Old national standard universal insertion
Essence
This kind of universal insertion
why
To be banned? The universal insertion of the old national standard hole will cause our daily use
What harm
Intersection When choosing a universal insertion, we should pass
Which standards
What about filtering and insertion? How does the universal interpolation of the new national standard produced?
leadership
What about it? The universal interpretation has been disabled in my country for 12 years, why
More banned
Intersection Many people are covered in the drum.
Can you see what is the difference between the two?
Banned universal insertion
Universal interpolation
, The more familiar name is
Universal socket
The reason why it is called
“universal”
Because it can be satisfied
Two -level plug
Can be satisfied
Three -level plug
Essence The seemingly convenient universal insertion is easy to produce
Security risks
Comparison map of universal holes and qualified sockets
First, the seemingly universal universal interpolation needs needs
Be forced to
Achieve
Take into account
,Brought it
Structural design
A problem above -it is difficult to do
Linear contact
Essence In addition, if production control
Not strict
, Cain ideal linear contact can only be performed
Point contact
Essence What will bring
as a result of
Woolen cloth?
Internal structure of insertion
Insert and plug
Contact surfaces
reduce,
resistance
Increasing,
Heat
It also increases. bring
Energy loss waste
At the same time, it is easy to cause
Fire
In September 2012, a 3 -year -old child in Qingdao was exposed to universal insertions due to electric shock.
The second is the universal insertion itself
Design defect
The problem. Universal plug -in jack designed
Larger
, Insert the metal connection in the arranged
Different specifications and different shapes
The plug, after repeated insertion, causes the shifts
Damage, deformation
Then, the plug of the metal connection and the access electrical device that is inserted occurred.
Poor contact, too small contact surface
The problem.
Over time, repeated
“friction”
Metal connection
Heating
,cause
Dispel fire, the electrical appliances caught fire
, Bring people daily life
property loss
If you insert an insertion
More than three
The plug, the universal plugs will get more and more
serious
: Metal connection
Greater load
, Resistance friction
More frequent
, Human computer has
“Water cooling”
Could it be that this universal interpolation is needed
Special means
Give it
Cool down
Nothing?
In August 2021, a resident of Shanghai with metal bracelets was close to the insertion, and his hands were blackened.
summer
High temperature, electrical
usage time
Longer,
usage frequency
Higher, so easy for so easy
“Fire”
In terms of universal insertion, it is tantamount to
“Accompanied by the king like a tiger”
Essence But many people may bring the universal interpolation
Danger and hidden danger
At all, I did n’t understand it at all, obviously I did n’t understand. The universal interpretation of this old national standard hole may bring in daily life.
harm
Essence This kind of banned universal insertion will bring
Don’t let the fire devour our property and life
The hidden dangers of the old national standard hole
No protective door
Protective door
It is needed before the first use
Force off
The thing, it is caused by it
Base, buckle
This physical component is composed.
There is no setting of the old national standard hole insertion, or even if there is any
Fate
Essence The single pole of the old national standard hole can be inserted, and
Single pole insertion
Is a kind of
Very dangerous
The behavior, especially
child
Inserting metal items such as keys will cause
Short -circuit
, Trigger
Human electric shock
The socket protection door is also called “safe door”
No 3C standard
In the past, many nationally nation -to -hole strokes were not available
3C standard
Certification, which is commonly known as
Three -free products
, This leads to a lot
Inferior, unqualified
Inserts flow into the market. Old national standard holes
Disdo the charging, and it is good to charge
, Never obtained relevant agencies
Certification and inspection
It is very easy during use
Dangerous
of.
The 3C certification logo of the new national standard
Poor heat resistance
The universal insertion of the old nation’s bidding
Short circuit, overload issues
It’s easier
Fire
Because this species is an interpretation shell
Poor heat resistance
Essence Then the interpretation shell, or we simply say that the entire insert panel needs to be reached
What requirement
Woolen cloth? According to the relevant personnel, the insert panel needs to pass
Needle Flame Experimental Test
,go through
30 seconds
Needle flame
Bright fire contact
, Insert
Will not be ignited
Then
qualified
year 2010
, my country’s Quality Inspection Department begins
Forced the use of old national standard holes to insert
, Immediately expel it
Elimination
, Forced use
New Standard Universal Insert
Essence This is undoubtedly divided
New and old times
Significance.
Needle flame test: suitable for insulation materials or other solid combustible materials industries
Although the old national standard interpolation was sentenced
“life imprisonment”
, But you can’t stop some people from
Convenient and cheap picture
Use this
Inferior
Essence Although the new national standard is obtained
“Protection Notice”
It does not mean that everyone can guarantee that everyone uses
Qualified product
So when buying a universal insertion, how should we go
Selection and screening
The top is the new national standard, and the bottom is universal insertion
Choose a safe and reliable interpolation
Try it with a plug
Qualified interpolations should be possessed
Consistent plugging feel
, Not because of
Over tight or loose
Affect. The tight or loose interpretation is all
Unqualified production
Hidden performance.
Too tightly make plugs very
Effort
Affected
Life
;
Did not connect to the power supply
, Or connect electricity
Intermittent
Essence The qualified plug -in plug should be
Very flexible
Yes, you can receive it
Obvious feedback
Each hole of the unqualified socket can also obviously feel differently unplugged
Listen with your ears
What do you listen to? Listen to
When the interlocker
Feedback
,is not it
Crispy and rebounding sounds
Essence If it is the proof
Yes, if you play and rebound
Cardon or not rebound
,sound
Stagnation
even
No sound
Then
Don’t choose
Such an interpretation.
During the rebound, the stuck or not rebound indicates that there is a problem with the internal structure
Try a hard and hard
The hard and hard here refers to
power cable
Hardness
Essence The qualified power cord should be pinched
Soft and hard and toughness
Opin
Steady and falling off
Essence The hard and hard of the unqualified power cord is obvious, either
Very soft
, Handicapped to change
Conduct shape of the power cord
Either
Very hard
The reason is because
Parcel
Plastic leather real
Too thin
Infinitive sockets: The power cord feels soft, and the connection with the socket is not firm
Weight 拈 拈 拈 拈
weight
Refers to universal insertion
Overall quality
,in the case of
Unqualified
Insertation,
Cutting corners
The problem is more common, so I picked it up like this
very light
Empty shell
It is clear. The interruption that meets the international standards is
Copper use
On the top is not
Leakage
Yes, the plastic shell is also
Thread
Material density
It’s up to the standard.
Choose the socket according to the above standards, which can help everyone
Effective pits
Essence Those who do not meet international standards
“Three -hole Universal Insert”
Gradually eliminated, withdrawing from the market, which meets international standards
“Five -hole plugging”
more and more. But the new national standard stroke, really
Thoroughly “defeat”
Is the old plug?
The current socket uses polycarbonate as the surface material, which has high intensity and hardness
“New national standard” difficult to lead the market
Although there are hidden safety hazards
Old national standard universal insertion
Already in the country’s order
stop producing
, But in the market
Still visible
Old inserting figures. In some
Small and medium -sized supermarkets, small commodity wholesale markets
Including roadside
Hardware shop
You can still see those who can’t name
Miscellane
, Putting a lot.
The popularity of a product, in the final analysis
Consumers’ choice
Cheap
Naturally, it is more vulnerable to consumers
Favored
Essence The phenomenon of using the old national standard universal insertion is still in many places
Essence Those who use the old interpret
No problem
Essence For the decoration company, the old national standard plug -in
cheap price
Wide range of uses
, Many manufacturers in the south
Still production
The universal insertion of the hardware store
And the new national standard is better than the old one
A lot more expensive
, Update the replacement need
cost
Essence Be
Family
Fortunately, the family is just two or three insertions. for
Factory, company
In terms of
Hundreds of thousands
Insert, replacement to a new national standard is a big one
Overhead
, Make some businessmen bosses and entrepreneurs unhappy
Unwilling
: “Yes, but not necessary.”
Old national standard universal insertion among consumers
Degree of acceptance
Still not low, it doesn’t seem to be released in 2010
Compulsory regulations
Impact. New national standard
safety
It is indeed higher than the old national standard, but it does not mean that the old national standard universal plugs must be
The fuse of the leakage and fire
, Don’t feel because your own old interpretation
Unknown panic
You don’t have to use new insertions because of the use of new insertions
Relax
Hidden dangers of universal insertion
Mo greed for small cheap, safety first
Overall, for the correct choice of interlude in our home, it is right
Responsibility for family security
Essence It is right
Responsibility for production and office safety
Responsibility for security is to be responsible for yourself
We should establish
correct
Concept of security
Don’t be because of
Greedy and cheap
, finally
Breaking the disaster
power supply
use
Essence
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What harm
More banned
Woolen cloth?
Woolen cloth?
qualified