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Case Studies of Deficiencies in Round PSE Standard Compliance Confirmation Report Arranged by China Plant

 2022/01/16 China Business example Principles of authentication PSE
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Hello. It is a hori of the manager.

I wrote an article that the contents of the standard conformity confirmation report of round PSE that the Chinese factory arranged and inspected by oneself before are frequently deficient.

PSE特定電気用品以外(丸形PSE)の基準適合確認レポートの不備・修正の問い合わせが増えている件について

I think that you can see the previous article above about what kind of problem is that the PSE inspection report contents are wrong, why it is wrong, how to check whether it is wrong in the first place, and how to respond if it is wrong.

This time, I would like to tell you an example of what kind of inspection failure actually occurred.

Opinion on "safety of assembled battery containers at high temperatures" of mobile batteries

This is a pretty surprised story.

Please refer to this previous article for the contents of the mobile battery test.

モバイルバッテリーを取り扱いたい事業者の方に向けた、PSEマーク取得7つの基礎知識!

As mentioned in it, the test items of mobile batteries include "safety during continuous constant voltage charging", "safety during vibration during transportation", "safety of assembled battery containers at high temperatures", "safety during temperature change", "safety in the event of external short circuit", "safety at the time of fall", "safety at the time of impact", "safety at abnormally high temperature", "safety at the time of compression", "safety of assembled batteries when dropping equipment", etc. 16 items are shown in MINISTRY OF ECONOMY, TRADE and INDUSTRY materials

One of them is "safety of assembled battery containers at high temperatures" (hereinafter referred to as "assembled battery safety").

When we have already confirmed the factory inspection report that the PSE test of the mobile battery has been carried out, it was found that this pair of battery safety items have not been implemented. At that point, it was out, but the client urged the factory to carry out this additional inspection.

Then, the reply of the factory (inspection organization that is requested) is

Assembled battery enclosures (packaging, enclosures, etc.) can be made as long as they are product enclosures themselves.

On the other hand, when the client confirmed to the Ministry of Economy, Trade and Industry,

Heat-resistant packing (covered with film) that protects battery cells, BMS, etc.

In addition, the response of the factory (inspection organization requested by the factory) to it

You can't do that. Tests in other countries do not require it.

The exchange does not advance in the feeling.

To be honest, there are parts where I feel that the technical standards of PSE in Japan are too detailed, and I think that there are some things that inspection institutions have to say, but as long as Japanese law has decided so, we have to have them obeyed.

Perhaps this inspection organization does not have the inspection technology of the mobile battery PSE of the Ministry of Economy, Trade and Industry standard of Japan. Since it is no use saying to such an inspection organization how much, the client suggests that it should be changed by going through a proper agency to an inspection organization that can properly test. It's my usual position talk.

In addition, for the honor of this inspection organization, I think that the examination of another country can be done normally simply because it does not comply with Japanese PSE standards rather than being technically inferior.

However, if the requester does not know anything about the inspection, it will proceed as it is, so I think that it is necessary to go through an agency etc. that can communicate properly.

Even though each item of the report is checked, I feel very scary that it is not clear whether it is really inspected by the technical standards of the Ministry of Economy, Trade and Industry.

Unmatch of the inspection criteria you are adopting

This was also an incomprehensible case.

When you ask for confirmation of the PSE report of a certain product,

Certificate

Report

the technical standards of the inspections conducted in

J is the standard starting with JIS (Japanese Industrial Standard), and IEC is an international electrical standard. Originally, one inspection content should be inspected only by one or the other standard, and the standards described in the certificate and the report are mixed.

The certificate states "Appendix 12", which means that it is inspected according to the technical standards of Appended Table 12 of the Electrical Appliance and Material Safety Act (PSE Act).

It's a pretty maniac story, so I'd like you to give it a little while.

Pse is big

(1) Japan's unique technical standards (Appended Table of the Electrical Appliance and Material Safety Act)

(2) Technical standards that comply with international standards (IEC standards) and add Japan's unique way of thinking

there are two main technical standards.

(1) is from Appended Table 1 to 11 of Appended Table 1 to 11 of Electrical Appliances and Materials Safety, and (2) is Appended Table 12 in accordance with international standards.

When testing overseas, it is often inspected in Appended Table 12, and there is no problem in itself, but the problem this time is that it is mixed. In addition, the inspection contents are not the same at all even for the same object in JIS and IEC.

Please refer to the article I wrote before.

中国・海外工場生産の電気用品PSE認証で失敗する一番の理由はEMC試験!?

What kind of tests did you do that it was mixed? I have no choice but to have doubts that.

People who do not conduct inspections may feel that it is not a big problem, and frankly I think so, but if this is what the inspection agency is doing, it feels unusual.

You probably don't understand Pse in Japan at all. In fact, there were some reports in other parts. Since many such inspection organizations are also involved, it is recommended to use a substitute company firmly.

If pse products are sold in such an uncertain state, there is a high possibility that it will eventually lead to a major accident, and then the business of the business operator may end the volume. I think that the way of thinking that it does it properly if it does it is important above all is important.

Omission of description about dimming function of LED bulb

It is a little detailed story, but there was such a thing, too.

About PSE testing of some LED lights. One of the uri of this product is that there is a dimming function in the app. There is no test for dimming function, but it is necessary to check whether there is a dimming function according to PSE standards.

When confirming the report, the above 4. Was not listed at all.

The appliances are not suitable for operating in dimming circuit, but can change RGB mode, CCT, luminous flux and power of light by App. Although this product does not support operation in dimming circuits, depending on the app, RGB mode, CCT, luminous flux, and the power of the light can be changed (dimmed).

When I first made this point, the inspection agency touched pride or tried not to correct it.

 

Issuance of PSE certificates that do not meet PSE standards in the first place

When I was asked to confirm the soldering pspe report, I first received a sample.

The engineer who confirmed at that time said a word.

This product does not meet PSE technical standards in the first place.

The reason is that

The fundamental technical part of pse is to design the electrical part of the product so that it is not directly touched by the user, specifically, it is not easily disassembled.

There is a thing.
But this soldering hold had no screw, and it was a structure that could be easily disassembled when the product was turned. Even though this is the case, what is the view of issuing a PSE certificate?

Maybe it's a certificate made by the factory without using an inspection agency. You'd better be really careful about this area.

It is simple, but I introduced some examples of PSE inspection failure.

There are also problems in the PSE legal system that are deficient, and

Again, even if there is basically a deficiency in the inspection contents of round PSE (other than specified electrical appliances), it is possible to report the business to the Ministry of Economy, Trade and Industry.

The reason for this is that we do not report the inspection contents (report) to the Ministry of Economy, Trade and Industry (the Ministry of Economy, Trade and Industry does not confirm so much). Therefore, some people may think that it is not good even if there is a deficiency in the inspection contents separately.

However, the Electrical Appliance and Material Safety Act (PSE) is not in vain, but in order to ensure the safety of products and, in addition, the safety of end users. If there is a problem with the content, it becomes quite a problem.

Of course, I think that there is an opinion that the check system of the Ministry of Economy, Trade and Industry which accepts the application should be tightened more severely, but I feel that there is a fact that the law does not keep up if the Ministry of Economy, Trade and Industry side is defended considerably sweetly.

Currently, there is a registered inspection organization approved by the Ministry of Economy, Trade and Industry overseas, and it is mainly inspecting rhombus PSE (specified electrical appliances), but round PSI inspection can be performed by any inspection organization.

In the 1950s, when the Electrical Appliance and Material Control Law, the predecessor of the Pse (Electrical Appliance and Material Safety Act), was enacted, there must have been no idea of freely inspecting electrical appliances and supplies for Japan overseas. In other words, there is a premise that products made in Japan are properly inspected by Japanese inspection organizations, and I guess that it was not necessary to look at the inspection contents in detail.

In a sense, it is an unimaginable act to conduct Japanese inspection (PSE) products made overseas (China) at overseas inspection organizations. If you think about it normally, it may be rather natural that there are deficiencies.

Then, it is true that there are many advantages to inspect things made overseas such as China in China.

The problem is that factories that do not understand PSE in Japan ask inspection agencies that do not understand PSE in Japan. And many inspection agencies in China do not understand Pse in Japan.

Based on that premise, we would like you to request tests through a reliable agency. At the end, as usual, it was our PR, but it is a real story, so please do not trust the chinese factory easily the word that they have acquired PSE.

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