HOME   Cart(0)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189760 (18 Oct 2025)

GB/T 24552-2009 PDF English

US$70.00 · In stock · Download in 9 seconds
GB/T 24552-2009: Electric vehicles -- Windshield demisters and defrosters system -- Performance requirements and test methods
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB/T 24552-2009English70 Add to Cart 0-9 seconds. Auto-delivery Electric vehicles -- Windshield demisters and defrosters system -- Performance requirements and test methods Valid

Excerpted PDFs (Download full copy in 9 seconds upon purchase)

PDF Preview: GB/T 24552-2009
      

Similar standards

GB 24406   GB 24545   GB/T 25985   GB 11555   

GB/T 24552-2009: Electric vehicles -- Windshield demisters and defrosters system -- Performance requirements and test methods


---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT24552-2009
ICS 43.040.60 T 26 GB National Standard of the People’s Republic of China Electric vehicles - Windshield demisters and defrosters systems - Performance requirements and test methods Issued on. OCTOBER 30,2009 Implemented on. JULY 01, 2010 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization administration of the people’s republic of China

Table of Contents

Foreword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and Definitions... 4 4 Performance Requirements... 4 5 Test methods... 5

Foreword

This Standard was proposed by National Development and Reform Commission. This Standard shall be administrated by National Automotive Standardization Technical Committee. Drafting organization of this Standard. China Automotive Technology and Research Center. The main drafters of this Standard. He Yuntang, and Zhao Jingwei. Electric vehicles - Windshield demisters and defrosters systems - Performance requirements and test methods

1 Scope

This Standard specifies performance requirements and test methods of electric vehicles’ windshield demisters and defrosters systems. This Standard applies to the Class M1 pure electric vehicles which use power batteries as power source and which use demisters and defrosters systems.

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 corrections) 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 11555 Passenger cars - Windshield demisters - Performance requirements GB 11556 Passenger cars - Windshield defrosters - Performance requirements GB/T 19596-2004 Terminology of electric vehicles

3 Terms and Definitions

The established terms and definitions in GB 11555 and GB 11556 apply to this Standard.

4 Performance Requirements

Every electric vehicle shall be equipped with a set of defroster system and a set of demister system.

5 Test methods

5.1 Conditions of defrosting test 5.1.1 Ambient temperature of test is -18ºC±3ºC. 5.1.5 The air velocity in cryogenic chamber shall be less than 2.2 m/s. 5.1.6 The power battery and auxiliary battery of electric vehicles shall be in fully charged state (see 3.3.3.2.5 of GB/T 19596-2004). 5.1.7 During the whole testing period, defrosting device (controller) shall be adjusted to maximum. 5.2 Deforesting test conditions 5.2.1 Test shall be done in the cryogenic chamber which can accommodate a tested vehicle, and which can keep the temperature at -3ºC±1ºC. 5.2.2 Before testing, use alcohol containing methanol or similar detergents to clean the windshield’ inner and outer surface. Sweep oil away thoroughly. Clean it further after drying. Finally clean it with dry cotton cloth. 5.2.3 Measure the temperature of testing room and the cold air velocity timely. 5.2.4 Cold air velocity’s horizontal component in testing room shall be less than 2.2m/s. 5.2.5 During the test, apart from inlet and outlet of heat system and ventilating system, all of battery compartment, car door and vent shall be closed. From the beginning of the defrosting test, 1 or 2 car windows may be open. However, the total opening gap shall be less than 25 mm. 5.3 Testing instruments and equipment The testing instruments and equipment of demisting and defrosting shall comply with the requirements of GB 11555 and GB 11556. 5.4 Determining of the Area A, B and A’ The area A, B and A’ of the test car’s windshield are determined by GB 11556. 5.5 Defrosting test procedure 5.5.1 The test car shuts down after entering cryogenic chamber. And it shall park for 10h under the testing temperature. 5.6 Demisting test procedure 5.6.1 The steam generator shall be placed at the place where is near to the back of front seat. And its outlet shall be at the center of the plane that is 580mm±80mm above the driver seat’s R point. If the seat back is adjustable, then it shall be adjusted to predetermined angle. If the back of front seat can not accommodate the steam generator, then it shall be placed at appropriate position at where it may mostly meet the above requirements. 5.6.2 Drive the test car into testing room. Park it at the specified location. Lower the temperature until all the coolant, lubricant and the interior temperature in the car stay at -3ºC±1ºC. 5.6.3 Heat the steam generator which holds at least 1.7L water to boiling point. After it becomes stable, put it into the car and close the door. 5.6.6 At 10min after the demisting test begins, record the condition of the test. Depict the demisting trace or take pictures. Indicate the side where the driver sits. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

Tips & Frequently Asked Questions

Question 1: How long will the true-PDF of English version of GB/T 24552-2009 be delivered?

Answer: The full copy PDF of English version of GB/T 24552-2009 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.

Question 2: Can I share the purchased PDF of GB/T 24552-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 24552-2009_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. www.ChineseStandard.us -- GB/T 24552-2009 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.

How to buy and download a true PDF of English version of GB/T 24552-2009?

A step-by-step guide to download PDF of GB/T 24552-2009_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "GB/T 24552-2009".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice.
See screenshots for above steps: Steps 1~3    Steps 4~6    Step 7    Step 8    Step 9