.201238807 六、發明說明： 【發明所屬之技術領域】 本發明係關於-種車輕之行車記錄裝置，尤指一種行 車紀錄系統。 【先前技術】 現行應用於大型車輛如客運東 令堤早、貨車等之行車記錄裝 置可在車輛的行駛過程中記錚直 祢下車輛的啟動時間、關機時 間、GPS座標、行車速度 '行車 仃早路線等資訊，以判斷車輛 在行驶過程中是否有違規愔塞 巩1，以及車輛運作是否正常的 參考資料。 然而’現有的行車記錄襞置係獨立設置，且不且有偵 測車減況（如胎壓與溫度）之功能，駕敎人往往無法及㈣ 覺胎壓或溫度異常，當大型車輛行驶於道路上發生爆胎或 引擎過熱而故障的意外時，影響乘客及週遭車輛駕驶人之 生命安全隸，此外，現有的行車記錄裝置缺乏整合性的 記錄功能’其中-類的行車記錄裝置僅能利用Gps模組提 供行車座標、路線等資訊的今# „ 相iJL 、’ 寸貝汛的6己載，而另一類的行車記錄裝 置則用予提供記錄車輛本身狀態的功能，⑨需要倚賴記 資訊做出判斷的時候（如發生事故後），現存數據的可利 將相對降低。 夂 【發明内容】 為解決駕駛人不易由現有行車記錄裝置察覺車輛異常 201238807 =發：現要?:提記錄裝置缺乏整合… 系餅直& 能夠改進現有缺失之行車紀錄 、·車輛所載的行車記錄裝置能债測車速、行車座標、路 線、胎壓與溫度等行車狀況回報至㈣器，當車輛行駿狀 況異常時會緊急通知伺服器，由相關人員聯 駛人進行緊急處3$。 本發明所運用的技術手段係在於提供一種行車紀錄系 統，包含： 複數個仃車圮錄裝置，各包含一微處理器、一影像錄 放單元、-聲音錄放單元、—無線網路單元、—GPS定位 單，：-輪胎愿力監測單元、一行車狀態感測單元與一儲 存單凡’該微處理器内建—行車狀態監控程序與—車輛識 別資料庫；其中該影像錄放單元連接該微處理器，以取得 周圍之影像資訊並傳予該微處理器，該聲音錄放單元連接 該微處理器，以取得聲音f訊並傳予該微處理器，該無線 網路早兀連接該微處理器，並以無線方式連至網路，該 定位單it連接該微處理器，用以接收衛星定"統之信號 以產生GPS座標信號，該輪胎壓力監測單元連接該微處理 器，以取得輪胎之胎壓資訊並傳予該微處理器，該行車狀 態感測單元連接該微處理器’以取得車速f訊與車輛溫度 資訊並傳予該微處理器，該儲存單元連接至該微處理器； 以及 一伺服器，其係包含一網路連接單元與一顯示螢幕， 該網路連接單元透過網路連接至該無線網路單元； 上述微處理器整合GPS座標信號、胎壓資訊、車速資 201238807 訊'車輛溫度資訊與一車輛識別資料成為一行車資訊， 將仃車資訊與影像資訊及聲音資訊儲存至該儲存單元s，又而 微處理器週期性將行車資訊透過無線網路單元回報 服器的網路連接單ι㈣該㈣器依據車輛識別資2 斤收到的行車資訊記錄至車輛識別資料庫並於其顯示普 顯示；又該微處理器執行行車狀態監控程 輛 車速及車缸.、田洛议丄 辑皁輪胎壓、.201238807 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a vehicle traveling recording device, and more particularly to a driving record system. [Prior Art] The current driving recorders for large vehicles such as passenger transport Donglingdi, trucks, etc. can record the start-up time, shutdown time, GPS coordinates, and driving speed of the vehicle under the driving process of the vehicle. Information such as the early route to determine whether the vehicle is in violation of the rules during the driving process, and whether the vehicle is operating normally. However, 'the existing driving record is set independently, and there is no function to detect vehicle de-state (such as tire pressure and temperature). Drivers often cannot (4) feel tire pressure or temperature abnormality when large vehicles are driving In the event of a puncture or engine overheating failure on the road, it affects the safety of the passengers and the drivers of the surrounding vehicles. In addition, the existing driving recorder lacks an integrated recording function. [Class-type driving recorders can only be utilized. The Gps module provides information on driving coordinates, routes, etc., and the other six types of driving recorders provide the function of recording the state of the vehicle itself. When the judgment is made (if an accident occurs), the profit of the existing data will be relatively reduced. 夂 [Content of the invention] In order to solve the driver's difficulty in detecting the vehicle abnormality by the existing driving recorder, 201238807 = send: now?: lack of recording device Integration... Straight & can improve the existing missing driving record, · The driving recorder contained in the vehicle can measure the speed, the coordinates, the road The driving conditions such as line, tire pressure and temperature are reported to (4). When the vehicle is in an abnormal condition, the server will be urgently notified, and the relevant personnel will contact the driver to carry out the emergency. 3$. The technical means used in the present invention is to provide a The driving record system comprises: a plurality of brake recording devices, each comprising a microprocessor, an image recording and playback unit, a sound recording and playback unit, a wireless network unit, a GPS positioning list, a tire force monitoring unit, a row state sensing unit and a storage unit 'the microprocessor built-in driving state monitoring program and a vehicle identification database; wherein the image recording and playback unit is connected to the microprocessor to obtain surrounding image information and transmit The microprocessor, the sound recording and playback unit is connected to the microprocessor to obtain a sound and transmitted to the microprocessor, and the wireless network is connected to the microprocessor and wirelessly connected to the network. a positioning unit is connected to the microprocessor for receiving a satellite signal to generate a GPS coordinate signal, and the tire pressure monitoring unit is connected to the microprocessor to obtain The tire tire pressure information is transmitted to the microprocessor, and the driving state sensing unit is connected to the microprocessor to obtain the vehicle speed information and the vehicle temperature information and transmit the information to the microprocessor, and the storage unit is connected to the microprocessor. And a server comprising a network connection unit and a display screen, the network connection unit is connected to the wireless network unit through a network; the microprocessor integrates GPS coordinate signals, tire pressure information, and vehicle speed 201238807 Newsletter 'Vehicle temperature information and a vehicle identification data become a line of information, store vehicle information and video information and sound information to the storage unit s, and the microprocessor periodically reports the driving information through the wireless network unit The network connection of the server is ι (4). The (4) device records the driving information received by the vehicle identification amount to the vehicle identification database and displays it in the display; and the microprocessor executes the driving state monitoring vehicle speed and the vehicle cylinder. .,Taluo 丄 丄 丄 皂 轮胎 tire pressure,
度發生異常時，立即產生—緊急狀況資 報至δ玄伺服器。 W 月J述的行車紀錄系統，其中所述的伺服器包含—車況八 =該車況介面係於顯示勞幕上，並包含有電子地圖 ，况影像視窗及行車資訊圖文視窗；其中該電子 依照複數行車-…班 T該電子地圖係 地圖上/ 報行車GPS座標，於電子 ‘不各車輛的位置’供遠端站務人員具體掌 輛所在付番^ ^ ，該車況影像視窗提供車況即時顯示功能，+ 站務人員點選電子地一 舍桩胳*丨 早神位置時，該伺服器 ,_，一點選信號，以產生一影像控制信號傳送至該 處Si車：錄裝置的微處理器，由收到影像控制信號的微 =回:即時所收到的影像資訊予該伺服器，飼服器接 /車Λ影 <象顯示在即時車況影像視窗。 ^述的仃車紀錄系統，其巾所述的行車狀態感測單元包 一二軸重力感測器與一、田 _ _ Α 用以取得行車技“、/廉又感 該二轴重力感測器 仃車速度與車輛加速度並傳予該微處理器，，亥加 1器用:取得車輛溫度資訊並傳予該微處理器。'现 3 5G 2的订車紀錄系統，其中所述的無線網路單元係為 0 AG無線網卡。 门 201238807 月’j述的行車紀錄系統，其中所述的影像錄放單元包含一 影像控制電路、複數個攝影機與一顯示器，該影像控制電 路連接至該微處理器、該複數個攝影機與顯示器，該複數 個攝影機用以拍攝周圍之影像而形成影I資訊傳至該影像 控制電路，該影像控制電路將影像資訊傳至微處理器與顯 八器而由微處理器控制顯示器進行影像顯示，並於接收 到影像控制信號後，將該影像資訊透過無線網路單元回傳 至該伺服器。 刖述的行車紀錄系統進一步包含複數個上網裝置，各上 •裝置透過網路連接至該词月艮器而能存$該飼月艮器之行車 資訊與影像資訊。 :則述的订車紀錄系統，其中所述的儲存單元包含一外接 式儲存裝置與-記憶卡’微處理器於外接式健存裝置正常 運作時將行車資訊與影像資訊儲存至外接式儲存裝置，而 二外接式儲存裝置異常時將行車資訊與影像資訊儲存至記 本發月利用所提供的行車紀錄系統，可以獲得的具體效 益為： 1 ·本發明能偵測車速、 早迓仃車座私、路線、胎壓與溫度 寻行車狀況回報至狗服哭，續Ar ^ ^ ^讓站務人員能遠端監控車輛行 驶情形’此外，當車輛行敲 即使常時會緊急通知伺服器， I7使駕駿人沒有察覺車， 4 I® ^ Λ ^常亦此由站務人員聯絡異常 皁輛駕駛人進行緊急處理，提高行車安全。 2.本發明藉由車讶介而，# , 於車上的揣#拖 讓站務人員能遠端觀看安裝 、皁上的攝景^機所拍攝之影像。 6 201238807 ’讓相關人員能經 資訊，增加使用上 由 的 3_本發明藉由該複數個上網裝置 網路遠端存取词服器之行車資訊與影像 便利性。 【實施方式】 為能詳細瞭解本發明的技術特徵及實用功效，並可依 』說明書的内谷來實施’茲進一步以如圖式所示的較佳實 施例，詳細說明如后： 本發明所提供的行車紀錄系統的較佳實施例係如圖] 至圖4所示，其包含複數個行車記錄裝置… 與複數個上網裝置30〇 $ -各行車記錄裝置10包含—微處理器η、—影像錄放單 7G 12、-聲音錄放單凡13、一無線網路單元14、— 定位單元15、一輪船壓力監測單元16、一行車狀態感測單 疋17與-儲存單元18’該微處理器”内建一行車狀離龄 控程序與—車輛識別資料庫，該影像錄放單元12連接該: j理器11，包含-影像控制電路121、四攝影機122與 一顯示器123，該影像控制電路121連接至該微處理器川 與顯示器123,並透過同軸電纜連接至四該攝影機122，四 該攝影機122用以拍攝周圍之影像而形成影像資訊傳至該 影像控制電路121，該影像控制電路121將影像資訊傳至 ，處理器Μ與顯示器123,而由微處理器”控制顯示器 :2;3進行影像顯示’並於接㈣影像㈣信號後，將該影像 資。ίΐ透過無線網路單元14回傳祠服器I’ . 該聲音錄放單元13可為—對講機，而連接該微處理器 201238807 11 ’以取得聲音資訊並傳予該微處理器，該無線網路單 元14連接該微處理器U，而可為一 3 5G無線網卡，以無 線方式連至網路’該GPS定位單元1 5經由RS232傳輸介 面連接該微處理器11，用以接收衛星定位系統之信號以產 生GPS座標信號’該輪胎壓力監測單元16經由RS232傳 輸介面連接該微處理器11,用以取得車輛各輪胎之胎壓資 訊並傳予該微處理器11 ; 该行車狀態感測單元1 7連接該微處理器11，且包含一 三軸重力感測器1 71與一溫度感測器彳72，該三軸重力感 測器171用以取得行車速度與車輛加速度並傳予該微處理 器11，該溫度感測器172用以取得車輛溫度資訊並傳予該 微處理器11 ; 該儲存單元18連接至該微處理器彳彳，而包含一外接式 儲存裝置181與一記憶卡182。 該伺服器20包含一網路連接單元21、一顯示螢幕22 與—車況介面23,該網路連接單元21可為一 3·5(3無線網 卡’透過網路連接至該無線網路單元14，該車況介面23 係於顯示勞幕上22，並包含有電子地圖231、即時車況影 像視窗232及行車資訊圖文視窗233 ; ，· ^各上網裝置30可為個人電腦、平板電腦、筆電或可 ’祠的手機等’而透過網路連接至該伺服器2〇而能存取該 服器20之行車資訊與影像資訊。 上述微處理器1彳整合GPS座標信號、胎壓資訊、車 速資訊、車輛溫度資訊與一車輛識別資料成為一行車資 訊，而於外接式儲存裝i 181正常運作時將行車資訊、影 8 201238807 像資訊及聲音資訊錯存至外接式錯 館存裝置181異切將行車f訊 置⑻，*於外接式 182,微處理器彳彳週期性 〜資訊儲存至記憶卡 祠服器20,飼服器2〇 ^ζ)將行車資訊回報至該 訊記錄至車輛_料庫===所收到的行車資 的畫面顯示； 於顯不螢幕22 其中該電子地圖231係依昭滿叙—由^ 行車資訊的GPS座標，於電子H錄裝置1〇回報 置，供遠端站務人員且體掌握二各車輛的位 像視窗232提供車兄;時掌:_，車輛所在位" 扠供皁况㈣㈤功能，# 地圖231上的其中-車輛位置時，該飼服器20會接=: 點選信號’以產生一影像控制信號傳送至該車輛的行車纪 錄裝置1〇的微處理器彳彳，由收到影像控制信號的微處理器 11回傳即時所收到的影像資訊予該词服器2〇，飼服器 接者將即時車況影像顯示在即時車況影像視窗232，該行車 資訊圖文視窗233由左至右分別顯示車速資訊、車輛溫度 資訊、胎壓資訊以及三軸重力感測器171《三軸測量值， 該微處理器11執行行車狀態監控程序，當車輛胎壓、車速 及車輛溫度發生異常時，於顯示器123進行警告，同時產 生一緊急狀況資訊回報至該伺服器2〇 ; 上述伺服器20產生一聲音控制信號傳送至一個微處理 器11 ’由收到聲音控制信號的微處理器11回傳所收到的聲 音資訊予該伺服器20。 1.本發明能偵測車速、行車座標、路線、胎壓與溫度 等行車狀況回報至伺服器20，讓站務人員能由伺服器2〇 201238807 遠端監控車輛行駛情形’此外，當車輛行驶狀況異常時會 緊急通知伺服器20，即使駕駛人沒有察覺車輛異常，亦能 由站務人員聯絡異常車輛駕駛人進行緊急處理，提高行車 安全。 2. 本發明藉由車況介面23,讓站務人員能遠端觀看安 裝於車上的攝影機1 22所拍攝之影像。 3. 本發明藉由該複數個上網裝置30，讓相關人員能經 由網路遠端存取伺服器20之行車資訊與影像資訊，增加使 用上的便利性》 以上所述’僅是本發明的較佳實施例，並非對本發明 作任何形式上的限制，任何所屬技術領域中具有通常知識 者，若在不脫離本發明所提技術特徵的範圍内，利用本發 明所揭示技術内容所作出局部更動或修飾的等效實施例， 並且未脫離本發明的技術特徵内容，均仍屬於本發明技術 特徵的範圍内。 【圖式簡單說明】 圖1係本發明之架構圖。 圖2係本發明之行車記錄裝置的電路方塊圖。 圖3係本發明之伺服器的電路方塊圖。 圖4係本發明之伺服器的顯示螢幕畫面示意圖。 【主要元件符號說明】 10行車記錄裝置 11微處理器 201238807 1 2影像錄放單元 122攝影機 1 3聲音錄放單元 15 GPS定位單元 1 7行車狀態感測單元 172溫度感測器 181外接式儲存裝置 20伺服器 22顯示螢幕 2 31電子地圖 233行車資訊圖文視‘ 1 21影像控制電路 123顯示器 1 4無線網路單元 1 6輪胎壓力監測單元 1 71三軸重力感測器 1 8儲存單元 182記憶卡 21網路連接單元 23車況介面 232即時車況影像視窗 Ϊ 30上網裝置 11When an abnormality occurs, it is immediately generated—the emergency status report is sent to the δ-Xuan server. The driving record system described in the month of the month, wherein the server includes - the vehicle condition 8 = the vehicle condition interface is on the display screen, and includes an electronic map, a picture window and a driving information graphic window; wherein the electronic device is in accordance with Multiple driving -... Class T This electronic map is on the map / Reporting vehicle GPS coordinates, in the electronic 'not the location of each vehicle' for the remote station staff to pay for the specific vehicle ^ ^, the vehicle image window provides real-time display function , + The station staff clicks on the electronically to pick up the position of the 丨 丨 丨 丨 , 丨 丨 丨 丨 丨 丨 丨 丨 丨 丨 丨 丨 丨 丨 丨 丨 丨 伺服 一点 伺服 一点 一点 一点 一点 一点 一点 一点 一点 一点 一点 一点 一点 一点 一点 一点 一点Receive micro control of the image control signal: Instantly receive the image information to the server, and the feeder device/car shadow image is displayed in the instant car image window. The braking system described in the vehicle, the driving state sensing unit of the towel includes a two-axis gravity sensor and a field _ _ Α for obtaining driving skills, / and feeling the two-axis gravity sensing The brake speed and the acceleration of the vehicle are transmitted to the microprocessor, and the device is used to: obtain the vehicle temperature information and transmit the information to the microprocessor. 'The current 3 5G 2 reservation record system, wherein the wireless network The road unit is a 0 AG wireless network card. The door recording system described in the following is a video control unit, an image control circuit, a plurality of cameras and a display, and the image control circuit is connected to the microprocessor. The plurality of cameras and the display, wherein the plurality of cameras are used to capture the surrounding images to form the image information, and the image control circuit transmits the image information to the microprocessor and the display device for micro processing. The device controls the display to display the image, and after receiving the image control signal, the image information is transmitted back to the server through the wireless network unit. a plurality of Internet devices, each of which is connected to the word device through a network to store the driving information and image information of the feeding device. The car booking system described above, wherein the storage unit is An external storage device and a memory card's microprocessor store the driving information and image information to the external storage device when the external storage device is in normal operation, and the driving information and image information when the external storage device is abnormal The specific benefits that can be obtained by storing the driving record system provided by the book for the month are: 1 · The invention can detect the speed of the car, the car seat, the road, the tire pressure and the temperature of the car. , Continued Ar ^ ^ ^ to allow the station staff to remotely monitor the vehicle's driving situation' In addition, when the vehicle is knocking, even if the server is urgently notified, I7 makes the driver not aware of the car, 4 I® ^ Λ ^ often The station staff contacted the abnormal soap driver for emergency treatment to improve driving safety. 2. The invention was made by the car accident, #, in the car 拖# dragging the station personnel to watch the installation remotely, The image taken by the camera on the camera. 6 201238807 'Let the relevant personnel can use the information to increase the use of the 3_ the invention through the network access of the plurality of Internet access devices to access the information device and [Embodiment] In order to understand the technical features and practical effects of the present invention in detail, the present invention can be implemented in accordance with the embodiment of the specification. The preferred embodiment of the driving record system provided by the present invention is as shown in FIG. 4 to FIG. 4, and includes a plurality of driving recording devices... and a plurality of Internet access devices 30〇- each driving recording device 10 includes-micro processing η, - video recording and playback unit 7G 12, - sound recording and playback unit 13, 13, a wireless network unit 14, - positioning unit 15, a ship pressure monitoring unit 16, a row of state sensing unit 17 and - storage unit 18' The microprocessor has a built-in vehicle-shaped remote control program and a vehicle identification database, and the video recording and playback unit 12 is connected to the image processor 11 and includes an image control circuit 121, a four camera 122 and a display 123. The image control circuit 121 is connected to the microprocessor and the display 123, and is connected to the camera 122 through a coaxial cable. The camera 122 is used to capture the surrounding image to form image information and transmit the image information to the image control circuit 121. The control circuit 121 transmits the image information to the processor Μ and the display 123, and the microprocessor "controls the display: 2; 3 performs image display" and after receiving the (four) image (four) signal, the image is funded. The voice recording and playback unit 13 can be a walkie-talkie, and the microprocessor 201238807 11 ' is connected to obtain the sound information and transmit to the microprocessor, the wireless network. The unit 14 is connected to the microprocessor U, and can be a 3 5G wireless network card, wirelessly connected to the network. The GPS positioning unit 15 is connected to the microprocessor 11 via an RS232 transmission interface for receiving a satellite positioning system. a signal to generate a GPS coordinate signal. The tire pressure monitoring unit 16 is connected to the microprocessor 11 via an RS232 transmission interface for acquiring tire pressure information of each tire of the vehicle and transmitting the tire pressure information to the microprocessor 11; the driving state sensing unit 1 7 is connected to the microprocessor 11, and includes a three-axis gravity sensor 71 and a temperature sensor 17172 for obtaining driving speed and vehicle acceleration and transmitting the micro processing The temperature sensor 172 is configured to obtain vehicle temperature information and transmit the information to the microprocessor 11; the storage unit 18 is coupled to the microprocessor and includes an external storage device 181 and a memory card 182. . The server 20 includes a network connection unit 21, a display screen 22 and a vehicle interface 23, and the network connection unit 21 can be a 3. 5 (3 wireless network card 'connected to the wireless network unit 14 through the network. The vehicle condition interface 23 is displayed on the display screen 22 and includes an electronic map 231, an instant vehicle image window 232 and a driving information graphic window 233; , ^ Each Internet device 30 can be a personal computer, a tablet computer, a notebook computer Alternatively, the mobile phone can be accessed through the network to access the server information and video information of the server 20. The microprocessor 1 integrates GPS coordinate signals, tire pressure information, and vehicle speed. The information, the vehicle temperature information and the vehicle identification information become the information of the train. When the external storage device i 181 is in normal operation, the traffic information and the video information and the sound information will be stored in the external wrong storage device. Set the traffic f (8), * in the external 182, the microprocessor 彳彳 periodic ~ information stored to the memory card server 20, the feeding device 2 〇 ^ ζ) return the driving information to the news record to the vehicle _ Library === received The screen display of the fare; the display screen of Yu Xian 22, the electronic map 231 is based on the GPS coordinates of the driving information, and is reported in the electronic H recording device for the remote station personnel and the body to grasp the two vehicles. The position of the window 232 provides the car brother; when the palm: _, the vehicle position " fork for the soap condition (four) (five) function, # map 231 where - the vehicle position, the feeding device 20 will be connected =: click signal ' The microprocessor 11 that generates an image control signal to the driving record device of the vehicle transmits the image information received immediately to the word processor 2 by the microprocessor 11 that receives the image control signal. The feeding device displays the real-time vehicle image in the instant vehicle image window 232. The driving information window 233 displays the vehicle speed information, the vehicle temperature information, the tire pressure information, and the three-axis gravity sensor 171 from left to right. The triaxial measurement value, the microprocessor 11 executes a driving state monitoring program, and when the vehicle tire pressure, the vehicle speed, and the vehicle temperature are abnormal, the warning is displayed on the display 123, and an emergency information report is generated to the server 2 ; And the control server 20 generates a sound signal to a microprocessor microprocessor 11 'controls the sound signal received by the return 11 received sound information to the server 20. 1. The invention can detect the return of the driving condition such as the vehicle speed, the running coordinates, the route, the tire pressure and the temperature to the server 20, so that the station personnel can remotely monitor the driving condition of the vehicle by the server 2〇201238807. When the abnormality occurs, the server 20 is urgently notified. Even if the driver does not notice the abnormality of the vehicle, the station operator can contact the abnormal vehicle driver for emergency treatment to improve driving safety. 2. The present invention allows the station personnel to remotely view images taken by the camera 1 22 mounted on the vehicle by the vehicle condition interface 23. 3. The plurality of Internet access devices 30 enable the relevant personnel to access the driving information and video information of the server 20 via the network to increase the convenience of use. The above description is only the present invention. The preferred embodiment is not intended to limit the invention in any way, and any one of ordinary skill in the art can make a partial change using the technical contents disclosed in the present invention without departing from the technical features of the present invention. Equivalent embodiments of the invention, and without departing from the technical features of the invention, are still within the scope of the technical features of the invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an architectural diagram of the present invention. Figure 2 is a circuit block diagram of the driving recorder of the present invention. 3 is a circuit block diagram of a server of the present invention. 4 is a schematic diagram of a display screen of the server of the present invention. [Main component symbol description] 10 driving recorder 11 microprocessor 201238807 1 2 video recording and playback unit 122 camera 1 3 sound recording and playback unit 15 GPS positioning unit 1 7 driving state sensing unit 172 temperature sensor 181 external storage device 20 servo 22 display screen 2 31 electronic map 233 driving information graphic view '1 21 image control circuit 123 display 1 4 wireless network unit 1 6 tire pressure monitoring unit 1 71 three-axis gravity sensor 1 8 storage unit 182 memory card 21 Network connection unit 23 car condition interface 232 instant car image window Ϊ 30 Internet access device 11