Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This standard was proposed by and is under the jurisdiction of the Ministry of Public Security of the People’s Republic of China.
Specification for the Installation of Read-write Equipment of the Electronic Identification of Motor Vehicles
1 Scope
This standard specifies installation and acceptance of read-write equipment of the electronic identification of stationary motor vehicles.
This standard is applicable to installation and acceptance of read-write equipment of the electronic identification of stationary motor vehicles.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 35786-2017 General Specification for Read-write Equipment of the Electronic Identification of Motor Vehicles
GB/T 50198-2011 Technical Code for Project of Civil Closed Circuit Monitoring Television System
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 35786-2017 apply.
4 Installation
4.1 Installation Environment
Installation position of read-write equipment shall meet the following requirements:
a) It shall be kept away from interference of strong electromagnetic field;
b) With 50m from the installation point, field strength of other 920MHz~925MHz wireless radiofrequency signals shall be lower than 7μV/m;
c) Radiofrequency signals of read-write equipment shall not be kept out and other traffic facilities shall not be influenced after installation;
d) Read-write equipment and installation member bars shall not intrude into clearance limit range of road traffic.
4.2 Installation Requirements
Installation of read-write equipment shall meet the following requirements:
a) Read-write unit and antenna unit shall be firmly installed and normal operation of read-write equipment shall not be influenced due to vibration.
b) Installed hardware equipment shall be provided with anti-theft measures;
c) Construction shall be carried out according to the requirements of 4.3 in GB 50198-2011.
4.3 Installation Mode
Installation modes of read-write equipment include cantilever type, portal type, column type and vehicle-amounted type, which are detailed in Annex A.
4.4 Installation Quantity
Installation quantity of read-write unit and antenna unit for read-write equipment shall be able to meet the actual management requirements. An antenna unit or integrated read-write equipment shall be installed right above each lane according to lane identification or controlled road section.
4.5 Installation Position
Installation position of read-write equipment in outdoor environment shall meet the following requirements:
a) Under the condition that the length of feeder unit is permissible, read-write unit of split read-write equipment should be installed at vertical bar; if the length of feeder unit is not permissible, read-write unit shall be installed at cross bar which is close to the vertical bar as possible.
b) For antenna unit of split read-write equipment or integrated read-write equipment to be installed above the road, installation position of shall be right above identification road section or center line of identification lane as close as possible.
c) Where antenna unit of split read-write equipment or integrated read-write equipment is installed at roadside, included angle of horizontal projection of antenna unit perpendicular line and traveling direction should not be greater than 30°, which is detailed in Annex B.
4.6 Installation Height
Installation height of read-write equipment in outdoor environment shall meet the following requirements:
a) Where being installed at vertical bar, the clear height should be greater than or equal to 2.5m;
b) Where being installed at cross bar, the clear height shall be greater than or equal to 5.5m;
c) Where being installed at bridge, tunnel, culvert and the like, the clear height shall not be less than height limit for the road;
d) Clear height of antenna unit should not be greater than 7m.
4.7 Feeder Unit
Bending radius of feeder unit of split read-write equipment shall be more than 15 times outside diameter of feeder cable; it shall be round, smooth and uniform at the bend; repeated bending is not allowed; the feeder shall be free from wrapping and twisting and the laying shall be neat, straight and flat.
4.8 Member Bar
Member bar installation shall meet the following requirements:
a) Circular or multi-angle variable cross-section profile should be used; retention flange plate should be welded at connection end of vertical bar and cross bar; and at least 4 reinforcing ribs shall be welded uniformly between flange plate and the bar;
b) Wiring holes are reserved on the vertical bar 0.3m to 1.0m above the ground where waterproof sill, cover plate and set screw are equipped;
c) Outlet hole is reserved at installation position of read-write unit and antenna unit, where rubber sheath and cable backwater bent hook are equipped;
d) Plastic or antiseptic metal water-proof pipe cap shall be installed at top of vertical bar and retention flange plate shall be welded at bottom of vertical bar with at least 4 reinforcing ribs welded between flange plate and the bar uniformly;
e) Protective earthing resistance shall be less than 10?;
f) During installation, the bar shall be vertical and inclination shall not exceed ±0.5%.
4.9 Other Requirements
4.9.1 Lightning protection
Earth terminal of read-write equipment shall be reliably connected with the bar.
4.9.2 Waterproof and anti-corrosion
For exposed cable interface, waterproof and anti-corrosion treatment shall be carried out.
4.9.3 Information sign
Information sign shall be arranged correspondingly during installation of read-write equipment, which is detailed in Annex C.
4.9.4 Wind resistance
For structure design of each read-write equipment unit and information sign, wind-resistant wind speed shall be greater than 22m/s on open flat ground and at the height of 5.5m.
5 Acceptance
5.1 Site Test Conditions for Acceptance
Unless otherwise stipulated, the following conditions shall be met during site test of read-write equipment for acceptance:
a) The weather is fine, without the influence of rain, snow, fog, etc.;
b) Single tested vehicle is adopted for test and common vehicle model during read-write equipment monitoring the road should be selected as tested vehicle;
c) During test, traveling track of tested vehicle shall be at left side, in the middle and right side of identification lane respectively and vehicle body shall not go beyond the test lane.
d) Security measures such as isolation and protection shall be arranged at test site.
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Installation
4.1 Installation Environment
4.2 Installation Requirements
4.3 Installation Mode
4.4 Installation Quantity
4.5 Installation Position
4.6 Installation Height
4.7 Feeder Unit
4.8 Member Bar
4.9 Other Requirements
5 Acceptance
5.1 Site Test Conditions for Acceptance
5.2 Installation Acceptance
5.3 Inspection of Function Compliance
Annex A (Informative) Schematic Diagram for Installation Mode
Annex B (Informative) Schematic Diagram for Installation Position
Annex C (Informative) Information Sign
Bibliography
ICS 35.240.15
T 35
中華人民共和國國家標準
GB/T 35785-2017
機動車電子標識讀寫設備安裝規范
Specification for teh installation of read-write equipment of the electronic identification of motor vehicles
2017-12-29 發布 2018-07-01 實施
中華人民共和國國家質量監督檢驗檢疫總局
中國國家標準化管理委員會
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前言
本標準按照GB/T 1.1-2009給出的規則起草。
請注意本文件的某些內容可能涉及專利。本文件的發布機構不承擔識別這些專利的責任。
本標準由中華人民共和國公安部提出并歸口。
本標準起草單位：公安部交通管理科學研究所、中國電子技術標準化研究院、國家射頻識別產品質量監督檢驗中心、天津中興智聯科技有限公司、北京千方科技股份有限公司。
本標準主要起草人：胡家彬、楊勇、張小東、府宇、宋繼偉、姜國強、王耀東、沈濤、朱劍欣。
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機動車電子標識讀寫設備安裝規范
1 范圍
本標準規定了固定式機動車電子標識讀寫設備的安裝和驗收。
本標準適用于固定式機動車電子標識讀寫設備的安裝和驗收。
2 規范性引用文件
下列文件對于本文件的應用是必不可少的。凡是注日期的引用文件，僅注日期的版本適用于本文件。凡是不注日期的引用文件，其最新版本（包括所有的修改單）適用于本文件。
GB/T 35786-2017 機動車電子標識讀寫設備通用規范
GB/T 50198-2011 民用閉路監視電視系統工程技術規范
3 術語和定義
GB/T 35786-2017界定的術語和定義適用于文件。
4 安裝
4.1 安裝環境
讀寫設備安裝位置應符合以下要求：
a) 避開強電磁場的干擾；
b) 安裝點50m范圍內的其他920MHz～925MHz無線射頻信號場強低于7μV/m；
c) 安裝后讀寫設備射頻信號不被遮擋，不影響其他交通設施；
d) 讀寫設備及安裝桿件不侵入道路通行凈空限界范圍。
4.2 安裝要求
讀寫設備安裝應符合以下要求：
a) 讀寫單元和天線單元安裝牢固，不得因振動影響讀寫設備的正常工作；
b) 安裝的硬件設備具有防盜措施；
c) 按GB 50198-2011中4.3的要求進行施工。
4.3 安裝方式
讀寫設備的安裝方式包括懸臂式、門架式、柱式和車載式，參見附錄A。
4.4 安裝數量
讀寫設備讀寫單元、天線單元的安裝數量應能滿足實際管理的需求。需要按車道識讀或控制的路段，應在每條車道正上方安裝一個天線單元或一體式讀寫設備。
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4.5 安裝位置
室外環境下讀寫設備安裝位置應符合以下要求：
a) 在饋線單元長度允許情況下，分體式讀寫設備的讀寫單元宜安裝在立桿上；饋線單元長度不允許時，讀寫單元盡可能安裝在靠近立桿的橫桿位置上；
b) 分體式讀寫設備的天線單元或一體讀寫設備安裝在道路上方的，安裝位置盡可能靠近識別路段或識別車道中心線正上方位置；
c) 分體式讀寫設備的天線單位或一體式讀寫設備安裝在路側時，天線單元法線水平投影與行車方向夾角不宜大于30°，參見附錄B。
4.6 安裝高度
室外環境下讀寫設備安裝高度應符合以下要求：
a) 安裝在立桿上時，凈空高度宜大于等于2.5m；
b) 安裝在橫桿上時，凈空高度大于等于5.5m；
c) 安裝于橋梁、隧道、涵洞等時，凈空高度不得低于道路限高高度；
d) 天線單元凈空高度不宜大于7m。
4.7 饋線單元
分體式讀寫設備的饋線單元彎曲半徑應大于饋線線纜外徑的15倍，彎曲處應圓滑均勻且不得重復彎曲，饋線不得纏繞和扭絞、布放整齊、平直。
4.8 桿件
安裝桿件應符合以下要求：
a) 宜使用圓形或多棱形的變截面型材制作，立桿與橫桿連接端宜焊接固定法蘭盤，法蘭盤與桿體之間均勻焊接至少4個加強筋；
b) 立桿距地面0.3m～1.0m處留有穿線孔，并配備防水檐、蓋板及固定螺釘；
c) 讀寫單元及天線單元安裝位置留有出線孔，并配備橡膠護套、電纜線回水彎掛鉤；
d) 立桿頂部安裝塑料或經防腐處理的金屬防水管帽，底部焊接固定法蘭盤，法蘭盤與桿體之間均勻焊接至少4個加強筋；
e) 保護接地電阻小于10?；
f) 安裝時桿體應垂直，傾斜度不得超過±0.5%.
4.9 其他要求
4.9.1 防雷
讀寫設備接地端子應與桿體可靠連接。
4.9.2 防水防腐蝕
外露線纜接口應進行了水、防腐蝕處理。
4.9.3 告知標志
讀寫設備安裝時應配套設置告知標志，參見附錄C。
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4.9.4 抗風能力
讀寫設備各單元及告知標志的結構設計，應達到在空曠平坦地面上和5.5m高度條件下的抗風風速大于22m/s的要求。
5 驗收
5.1 驗收現場試驗條件
除有約定外，讀寫設備驗收現場試驗時滿足以下條件：
a) 天氣晴朗，無雨、雪、霧等影響；
b) 采用單輛試驗車進行，試驗車宜選用讀寫設備監控道路常見車型；
c) 試驗時，試驗車行駛軌跡應分別在識讀車道的左側、中間、右側，車身不應超出試驗車道；
d) 試驗現場應設置隔離、防護等安全措施。
5.2 安裝驗收
按第4章的要求逐項檢查，檢查結果應符合第4章的相關要求。
5.3 功能符合性檢查
按GB/T 35786-2017中6.4.2.1的要求進行三次試驗，試驗結果均應符合GB/T 35786-2017中5.2.2.1的要求。
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附錄A
（資料性附錄）
安裝方式示意圖
A.1 懸臂式
單向三車道環境條件下，典型的懸臂式安裝示意圖A.1、圖A.2。一體式讀寫設備參照圖中天線單元的安裝方式安裝。
天線單元A 天線單元B 天線單元C 讀寫單元R
圖A.1 懸臂式一
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天線單元A 天線單元B 讀寫單元R 天線單元C
圖A.2 懸臂式二
A.2 門架式
雙向四車道環境條件下，典型的門架式安裝示意如圖A.3。其中讀寫單元R1連接天線單元A、天線單元B，讀寫單元R2連接天線單元C、天線單元D。一體式讀寫設備參照圖中天線單元的安裝方式安裝。
讀寫單元R1 天線單元A 天線單元B 天線單元C 天線單元D 讀寫單元R2
中心線
圖A.3 門架式
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A.3 柱式
典型的路側柱式安裝示意如圖A.4。一體式讀寫設備參照圖中天線單元的安裝方式安裝。
讀寫單元 天線單元
圖A.4 柱式
A.4 車載式
讀寫單元固定在汽車內，天線單元通過桿件固定在汽車頂部，如圖A.5。
天線單元
圖A.5 車載式
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附錄B
（資料性附錄）
安裝位置示意圖
分體式讀寫設備的天線單元安裝在路側時，天線單元法線水平投影與行車方向夾角θ不宜大于30°，如B.1所示，其中行車方向F’與行車方向F相平行。一體式讀寫設備參照圖中天線單元的安裝方式安裝。
讀寫單元 天線單元 行車方向F 天線單元法線水平投影 行車方向F’
圖B.1 路側安裝位置示意圖
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附錄C
（資料性附錄）
告知標志
C.1 色彩
告知標志底色的三基色值為：255、255、0；文字及邊框顏色的三基色值為0、0、0。
C.2 尺寸
告知標志長度應大于60cm，寬度應大于40cm。
C.3 內容
告知標志包括2行，第一行顯示內容“電子標識采集點”，第二行內容為安裝點編碼編號。編碼編號內容長9字符，由省份簡稱、地市代碼、安裝地點編號3部分組成，其中，省份簡稱應符合GB/T 35789.1-2017中表A.2的要求，地市代碼為讀寫設備安裝地市的機動車發牌機關代碼，編號格式如圖C.1所示。例如“蘇 B012345”表示讀寫設備安裝點為江蘇省無錫市的安裝地點編號為“012345”的安裝點。
安裝地點編號（6位數字）
地市代碼（1位字母）
省份簡稱（1個漢字）
圖C.1 告知標志編號
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參考文獻
[1] GB/T 35789.1-2017 機動車電子標識通用規范 第1部分：汽車
