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GB 27900-2011 English PDF

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GB 27900-2011: Firemen special call unit
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Basic data

Standard ID GB 27900-2011 (GB27900-2011)
Description (Translated English) Firemen special call unit
Sector / Industry National Standard
Classification of Chinese Standard C85
Classification of International Standard 13.220.10
Word Count Estimation 15,140
Date of Issue 2011-12-30
Date of Implementation 2012-06-01
Quoted Standard GB/T 191; GB/T 2423.1; GB/T 2423.2; GB/T 2423.4; GB/T 2423.5; GB/T 2423.8; GB/T 2423.10; GB 3836.1
Regulation (derived from) Announcement of Newly Approved National Standards No. 23 of 2011
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This Chinese standard specifies the firemen hailing device terminology and definitions, models, technical requirements, test methods, inspection rules, marking, packaging, transport and storage. This standard applies to fire and rescue firefighters firemen carry side process call for help.

GB 27900-2011: Firemen special call unit

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Firemens special call unit ICS 13.220.10 C85 National Standards of People's Republic of China Firefighters HuJiuQi Issued on. 2011-12-30 2012-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Model 1 5 2 Technical Requirements 6 Test methods 5 7 Inspection rules 9 8 signs, packaging, transportation and storage 11

Foreword

The standard Chapter 5, Chapters 7 and 8.1.1 are mandatory, the rest are recommended. This standard is prepared in accordance with GB/T 1.1-2009 given rules. The standard proposed by the People's Republic of China Ministry of Public Security. This standard by the National Standardization Technical Committee firefighters Fire Protection Equipment Technical Committee (SAC/TC113/SC12) centralized. This standard was drafted. Shanghai Fire Research Institute of Ministry of Public Security. Drafters of this standard. Shen Jian Min Zhou, shining horse, Zhang Yan, Li Rui Kun, Li Yu Zhang. This standard is the first release. Firefighters HuJiuQi

1 Scope

This standard specifies the firefighters HuJiuQi terms and definitions, models, technical requirements, test methods, inspection rules, marking, packaging, transportation And storage. This standard applies to firefighters in fire fighting and rescue process be worn fireman HuJiuQi (hereinafter referred to as HuJiuQi).

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 191 Packaging - Pictorial signs GB/T 2423.1 Environmental testing for electric and electronic products Part 2. Test methods Test A. Cold GB/T 2423.2 Environmental testing for electric and electronic products Part 2. Test methods Test B. Dry heat GB/T 2423.4 Environmental testing for electric and electronic products Part 2. Test methods - Test Db. Damp heat (12h 12h cycle) GB/T 2423.5 Environmental testing for electric and electronic products Part 2. Test methods Test Ea and guidance. Shock GB/T 2423.8 Environmental testing for electric and electronic products Part 2. Test methods Test Ed. Free fall GB/T 2423.10 Environmental testing for electric and electronic products Part 2. Test methods Test Fc. Vibration (sinusoidal) GB 3836.1 explosive atmospheres - Part 1. General requirements for equipment

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Allow rest time permissiblestatictime HuJiuQi from a quiescent state until the pre-alarm sound signal preset time. 3.2 Pre-alarm time pre-alerttime HuJiuQi since the issuance of pre-alarm signal to sound an alarm sound signal time. 3.3 Continuous alarm time continuousalerttime The duration of the alarm emits an acoustic signal for help.

4 Model

HuJiuQi Model preparation should meet the following requirements. R fireman personal equipment HJ HuJiuQi Continuous alarm time (min) SOS function code (T represents a communication function HuJiuQi, No communication HuJiuQi omitted) / □ Enterprises modified code (A, B,) Example 1. RHJ300/A indicates continuous alarm time is A type of firefighters HuJiuQi 300min. Example 2. RHJ240T/B indicates continuous alarm time 240min communication type B type HuJiuQi firefighters.

5 Technical requirements

5.1 General Requirements 5.1.1 call for help should be able to work properly in the following use environment. a) a temperature of -25 ℃ ~ 70 ℃; b) Relative humidity 30% to 93%; c) atmospheric pressure is 86kPa ~ 106kPa. 5.1.2 call for help should be provided with means to wear, and it works fine when any work position. 5.1.3 HuJiuQi power supply should be used rechargeable batteries. 5.1.4 call for help should be set battery charge and discharge protection circuit. 5.2 Functional requirements 5.2.1 Pre-alarm function When the call for help is in automatic working condition, it should have the pre-alarm function. When a still longer than the permissible time still, should be issued quickly Intermittent pre-alarm sound signal. During the pre-alarm, HuJiuQi work orientation changes or HuJiuQi for rate of not less than 5m/s flat When uniform motion, pre-alarm sound signal should be immediately released. 5.2.2 automatic alarm function When the call for help is in automatic working condition, when a still longer than the permissible time of static and pre-alarm time and shall be issued a continuous alarm Acoustic signal and position-indicating strobe signal. During the alarm, the alarm sound signal and position-indicating strobe signal for help is not working Effect of azimuthal variations or changes in the rate of movement, and should only be manually removed. 5.2.3 Manual alarm When the call for help is in manual operation, and automatic alarm function shall be given the same alarm sound signal and position-indicating strobe signal. During a manual alarm, alarm sound signal and the position-indicating strobe signal for help should not be working or orientation change motion rate variation influences. 5.2.4 Low voltage alarm function When HuJiuQi supply voltage of the battery is below 80% of rated voltage, different from the pre-alarm shall be given a slow intermittent audible signal warning Acoustic or optical signals. 5.2.5 Communication Function Communication type HuJiuQi in alarm should sound a warning signal and the position-indicating strobe signal. At the same time, we should be able to call for help send Radio signal receiving terminal to be identified, and can receive and identify signals transmitted from the receiving terminal. 5.2.6 switch HuJiuQi should be set to "Off - Manual - Automatic" switch. Switch should be flexible, reliable, durable, and anti malfunction structure. 5.3 Performance Requirements 5.3.1 allow rest time HuJiuQi still allow time should 30s ± 2s. 5.3.2 Pre-alarm time HuJiuQi Pre-alarm time should be 15s ± 2s. 5.3.3 Pre-alarm sound level intensity HuJiuQi pre-alarm sound level intensity should not be less than 80dB. 5.3.4 alarm sound level intensity SOS alarm sound level intensity should not be less than 100dB. 5.3.5 Low voltage alarm sound level intensity HuJiuQi low voltage alarm sound level intensity should not be less than 65dB. 5.3.6 Continuous working time HuJiuQi continuous working time should meet the following requirements. a) continuous boot time is not less than 24h; b) continuous alarm time is not less than 240min. 5.3.7 Quality HuJiuQi quality should not exceed 300g (including battery). 5.3.8 Appearance HuJiuQi structure should be complete, the surface should not have obvious spots, bubbles, cracks and scratches. 5.3.9 proof performance Proof performance HuJiuQi shall comply with the provisions of GB 3836.1. 5.3.10 insulation HuJiuQi insulation shall meet the following requirements. a) between the positive and negative electrodes and shell insulation resistance in normal environmental conditions should not be less than 50MΩ; b) between the positive and negative electrodes and shell insulation resistance after damp heat test shall not be less than 10MΩ. 5.3.11 Waterproof HuJiuQi placed in a water depth of 1.5m containers within 2h, should penetrate the anhydrous HuJiuQi, call for help should be able to work properly. 5.3.12 weatherability environmental performance SOS shall be subjected to the climate and environment test specified in Table 1, after each test shall comply with the requirements of 5.3.1 ~ 5.3.4. Alternating hot and humid After also meet 5.3.10b) requirements. Table 1 Climate Experiment Name of test Test conditions working conditions High Temperature Test temperature. 70 ℃ ± 2 ℃ Duration. 2h energized Low Temperature Test temperature. -25 ℃ ± 2 ℃ Duration. 2h energized Damp heat test temperature Rose to 25 ℃ ± 3 ℃ 40 ℃ ± 2 ℃ 40 ℃ ± 2 ℃ 40 ℃ ± 2 ℃ dropped 25 ℃ ± 3 ℃ Relative humidity of 85% to 93% 90% 93% 85% to 93% Duration 3h 9h 12h Energized state High-temperature storage test temperature. 70 ℃ ± 2 ℃ Duration. 16h recovery time at room temperature. 12h-energized state Low temperature storage test temperature. -40 ℃ ± 2 ℃ Duration. 16h recovery time at room temperature. 12h-energized state 5.3.13 Resistance to mechanical environmental performance SOS specified in Table 2 shall be subjected to various mechanical environment test, after the test shall meet the following requirements. a) There should be no mechanical damage and tighten loose parts; b) shall comply with the requirements of 5.3.1 ~ 5.3.4. Table 2 Mechanical environmental testing Name of test Test conditions working conditions Vibration (sinusoidal) test Frequency range of 10Hz ~ 150Hz 1g acceleration amplitude Scanning rate of 1 octave/min Number of axes 3 Each axis scanning cycles 20 Energized state Impact test Peak acceleration 5g 11ms pulse duration Half-sine pulse waveform Axial number 6 Each number axially continuous impact of the number 3 Energized state Free drop test Drop height 1.5m

4 Number of drops

Energized state 5.3.14 transmit frequency Communication type distress transmitter frequency should comply with State Radio Regulatory Commission specified operating frequency band or frequency and requirements. RF Hair Rate error should not exceed ± 25kHz. 5.3.15 Frequency Stability Communication type HuJiuQi frequency stability should be less than ± 2.5 × 10-6. 5.3.16 receiver sensitivity HuJiuQi communication type receiver sensitivity should not exceed 0.5μV (SNR 12dB). 5.3.17 communication distance Communication type HuJiuQi effective communication distance (open area) should not be less than 800m. 5.3.18 emission luminance HuJiuQi emission luminance not less than 300cd/m2. 5.3.19 simulated smoke environment azimuth indicating performance Smoke in the environment, you should be able to instruct HuJiuQi orientation.

6 Test methods

6.1 test environment condition If there is no description of the relevant provisions, the test shall be under the following normal atmospheric conditions. a) a temperature of 15 ℃ ~ 35 ℃; b) Relative humidity 45% to 75%; c) atmospheric pressure is 86kPa ~ 106kPa. 6.2 Test instruments Test instruments include. a) stopwatch. accuracy no less than 0.1s; b) sound level meter. Resolution no less than 1dB; c) Power supply. accuracy no less than 1%; d) shake your device. call for help can be fixed at the top, shaking a continuous period of time of less than 25s; e) plane motion means. You can call for help in fixing it, can not be less than 5m/s uniform motion; f) full-band radio wave shielding room; g) RF frequency meter; h) a high frequency signal generator; i) the audio signal measurement instrument; j) luminance meter. accuracy no less than 5%. 6.3 Alarm function test So HuJiuQi respectively in the automatic and manual operation, check the alarm function for help. 6.4 Low-voltage warning function tests The regulated power supply circuit access HuJiuQi, slowly adjust the power supply voltage is lower than call for help until the battery rated voltage 80% When, for help checking low voltage alarm function. 6.5 Communication function tests Type of the communication is in alarm state for help, check the communication type HuJiuQi transmitter function. Elimination Communication type SOS alarm state, it at In automatic mode, the transmission signal receiving terminal, check the communication type HuJiuQi reception. 6.6 switch inspection Check and operation switch, check the conversion. 6.7 still allows time trial HuJiuQi in a stationary state, will switch to "Auto" position and start the stopwatch to start pre-alarm, stop the clock, recording Stopwatch measurement. 6.8 Pre-alarm Time Trial HuJiuQi in a stationary state, will switch to "Auto" position, when starting pre-alarm, start the stopwatch, alarm to start, stop, Time, measurements were recorded stopwatch. 6.9 Pre-alarm sound level intensity test Under the condition of not more than 30dB of ambient noise, so that generates a pre-alarm call for help, for help from the center in the horizontal direction is on 1m distance Used for help sound level meter measurement, the maximum measured sound intensity level is a pre-alarm sound level intensity. 6.10 alarm sound level intensity test Under the condition of not more than 30dB of ambient noise, so HuJiuQi alarm in the horizontal direction away from the center for help 3m far from being on call Used to save the sound level meter, the measured intensity is the maximum sound level alarm sound level intensity. 6.11 Low voltage alarm sound level intensity test Under the condition of not more than 30dB of ambient noise, so call for help is in a low voltage state, away from the center of the horizontal direction HuJiuQi 1m distance N Used to call for help measure the sound level meter, measured maximum sound level intensity is low voltage alarm sound level intensity. 6.12 continuous boot time test Shake your device to call for help or placed flat on the motion device, switch to "Auto" position, start time, issues a call for help to a low voltage Alarm signals, stop time, record the measured value. 6.13 continuous alarm time trial The call for help switch to "manual" position, start the timer and call for help from the center in the horizontal direction to call for help 3m far from being sound Used When the alarm level measured sound level intensity to the alarm sound level intensity lower than 100dB, stop time, record the measured value. 6.14 Quality Test With an accuracy of not less than 1g universal measuring instrument of mass HuJiuQi. 6.15 Visual inspection HuJiuQi visual appearance. 6.16-proof performance test HuJiuQi proof performance test in accordance with the provisions of GB 3836.1 performed. 6.17 insulation test With 500V DC megger the battery positive and negative pressure HuJiuQi insulation resistance between the shell. 6.18 waterproof performance test Call for help is not in working condition, which regards water depth of 1.5m within the container, start time, when the test reaches 2h, remove, rub Dry surface, turn for help to check. 6.19 High Temperature Test Shake your device to call for help placed on 5.3.12 by high temperature test conditions and GB/T 2423.2 Test provisions. 6.20 Low temperature test Placed the call for help shake your device, press the low temperature test conditions 5.3.12 and GB/T 2423.1 Test provisions. 6.21 Damp heat test 5.3.12 Press alternating hot and humid conditions and test GB/T 2423.4 regulations test, test after test insulation. 6.22 high temperature storage test Press 5.3.12 high temperature storage test conditions and GB/T 2423.2 Test provisions. 6.23 low temperature storage test 5.3.12 by low temperature storage test conditions and GB/T 2423.1 Test provisions. 6.24 Vibration Resistance Test The HuJiuQi upright fixed to the vibration table, press (sinusoidal) Test conditions and GB/T 2423.10 regulations 5.3.13 of vibration test. 6.25 Impact test The HuJiuQi upright fixed on the impact of the stage, according to 5.3.13 in the impact test conditions and GB/T 2423.5 Test provisions. Free drop test 6.26 resistance According to 5.3.13 in the free drop test conditions and GB/T 2423.8 regulations are tested for the smooth concrete countertops mesa. 6.27 emission frequency measurement Emission frequency measurement should be full-band radio wave shielding room (chamber) is carried out. By connecting the measuring instrument shown in Figure 1, so HuJiuQi Alarm, measuring their radio frequency emission. FIG. 1 transmit frequency, frequency stability measurement diagram 6.28 Frequency Stability Measurement Frequency stability measurements should be full-band radio wave shielding room (chamber) is carried out. By connecting the measuring instrument shown in Figure 1, so call for help Generates alarms were measured at ± 2 ℃ -25 ℃, emit radio frequency waves 25 ℃ ± 2 ℃, 70 ℃ ± 2 ℃ when. 6.29 receiver sensitivity measurements Receiver sensitivity measurements should be in full-band radio wave shielding room (chamber) is carried out. As shown in Figure 2 to connect the measuring instrument. High regulation Frequency signal generator output signal frequency of the transmission frequency of distress, while adjusting the amplitude of the output signal when the audio (noise) signal meter to determine Get SNR 12dB, the recording output signal amplitude. Figure 2 receiver sensitivity measurements 6.30 Communication distance test Tests carried out at the open area, so that the communication type SOS alarm, record type HuJiuQi communication with the communication terminal receives the maximum normal communication distance from. Elimination Communication type SOS alarm state, it is in automatic mode, the terminal receiving the transmitted signal, recording communication with the communication interface type for help The maximum income from the normal communication terminal. 6.31 emission luminance test HuJiuQi emission luminance distribution of test points according to claim 3, with an accuracy not less than ± 5% at a luminance meter HuJiuQi emitting surface 5m The distance measurement. Figure 3 emission luminance test chart 6.32 simulated smoke environment orientation recognition performance test Laboratory area should not be less than 4m × 5m, is fuming fuming, gas concentration to the naked eye can not recognize objects within 1m prevail, will call Save placed at a distance from the observation point 3m observed HuJiuQi orientation.

7 Inspection rules

7.1 Type inspection 7.1.1 Type inspection at one of the following situations. --- When setting new product trial; --- Product design, material, structure, process the larger changes; --- Normal production at least two years; --- Discontinued one year to resume production; --- National quality supervision agency type inspection requirements. 7.1.2 Type test samples shall be randomly inspected at the factory products, sample number is nine. 7.1.3 type test items, test procedures and substandard classification in accordance with Table 3. 7.1.4 The test results appear one of the following conditions that is deemed to have failed. --- Class A failure occurred; --- Appears greater or equal to two Class B failed; --- Appears a Class B failed, at least two simultaneous Class C failed. 7.2 factory inspection 7.2.1 Each test should call for help after passing the factory, and should be accompanied by product certification. 7.2.2 Each HuJiuQi factory inspection items should include 5.2,5.3.1 ~ 5.3.4,5.3.7,5.3.8,5.3.10a), 5.3.18, communication It should also include the type HuJiuQi 5.3.14 - 5.3.17. 7.2.3 If a test result does not meet this standard, the product delivery inspection station to be ineligible. Table 3 type test items, test procedures and substandard classification Test items Sample number substandard classification 1 2 3 4 5 6 7 8 9 ABC Alarm √ √ √ does not meet the standard requirements - - Low-voltage alarm function √ √ √ does not meet the standard requirements - - Communication a √ √ √ does not meet the standard requirements - - √ √ √ Check the switch does not meet the standard requirements - - Allow rest time/min √ √ √ does not meet the standard requirements - - Pre-alarm time/min √ √ √ does not meet the standard requirements - - Pre-alarm sound intensity/dB √ √ √ does not meet the standard requirements - - Alarm sound intensity/dB √ √ √ does not meet the standard requirements - - Low voltage alarm sound intensity/dB √ √ √ < 50 < 65 and ≥50 - Continuous uptime/h √ √ √ < 20 < 24 and ≥20 - Continuous alarm time/min √ √ √ < 200 < 240 and ≥200 - Quality/g √ √ √ > 350 ≤350 and > 325 ≤325 and > 300 Appearance √ √ √ √ √ √ √ √ √ There are obvious spots, Bubbles, cracks, flaws There are the obvious spots, Bubbles, scars Slight spots, Bubbles, scars √ proof performance does not meet the standard requirements - - Insulation / MΩ Normally √ √ √ < 40 - - After the damp heat test √ √ √ < 5 - - Waterproof √ √ √ does not meet the standard requirements - - Weather Environmental performance High-temperature test √ √ √ Low temperature test √ √ √ Damp heat test √ √ √ High temperature storage test √ √ √ Low temperature storage test √ √ √ Does not meet the standard requirements - Resistance to mechanical Environmental performance Vibration (sinusoidal) test √ √ √ Impact test √ √ √ Free drop test √ √ √ Does not meet the standard requirements - Transmitting frequency a/MHz √ √ √ does not meet the standard requirements - - Frequency stability of a/× 10-6 √ √ √ does not meet the standard requirements - - Receiving sensitivity a/μV √ √ √ does not meet the standard requirements - - Communication from the a/m √ √ √ does not meet the standard requirements - - Emission luminance/(cd/m2) √ √ √ does not meet the standard requirements - - Simulated smoke environment √ √ √ azimuth indicating performance does not meet the standard requirements - - Product mark √ √ √ √ √ √ √ √ √ does not meet the standard requirements - - This test is a project for a distribution type HuJiuQi. 8 signs, packaging, transportation and storage 8.1 mark 8.1.1 Product Marking The product shall be marked with the following. a) Product name, model; b) production plant name; c) the date of manufacture; d) proof mark; e) the implementation of the standard code. 8.1.2 Package mark The packaging shall be marked with the following. a) manufacturer's name and address; b) the product name, model number, standard number; c) the date of manufacture; d) shall be marked "Handle with care", "prevent rain" signs, and in line with GB/T 191 with the relevant provisions. 8.2 Packaging After each call for help Used plastic packaging into packing carton, along with product certification and instructions for use. 8.3 Transportation and storage 8.3.1 HuJiuQi during transportation to avoid stress, collisions and rain. 8.3.2 HuJiuQi should be stored in a place dry, ventilated, non-corrosive chemicals.

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