CN201947323U - Vehicle-mounted terminal for road testing system - Google Patents
Vehicle-mounted terminal for road testing system Download PDFInfo
- Publication number
- CN201947323U CN201947323U CN2011200073095U CN201120007309U CN201947323U CN 201947323 U CN201947323 U CN 201947323U CN 2011200073095 U CN2011200073095 U CN 2011200073095U CN 201120007309 U CN201120007309 U CN 201120007309U CN 201947323 U CN201947323 U CN 201947323U
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- Prior art keywords
- mounted terminal
- interface
- car
- expansion board
- business module
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Abstract
The utility model belongs to the field of automatic road testing and particularly relates to a vehicle-mounted terminal for a road testing system, which supports the inserting and the plugging of various service modules. The vehicle-mounted terminal comprises an interface extension plate and at least one service module, wherein the interface extension plate is provided with at least one insertion slot in which the service module can be inserted.
Description
Technical field
The utility model relates to the automatic road measuring field, particularly a kind of car-mounted terminal of driver test system.
Background technology
Drive test is to carry out TD-SCDMA (Time Division-Synchronous Code DivisionMultiple Access, TD SDMA) a requisite link of the wireless network assessment and the network optimization, by drive test can awareness network actual conditions, comprise Zone switched, the speech quality of network of coverage condition, the network of network, reason of network call drop etc.
At present, generally adopt TD-SCDMA automatic road measuring system to test.TD-SCDMA automatic road measuring system, the characteristics of this system's maximum are by car-mounted terminal is installed on taxi or the bus widely, by control centre's software test plan, content, route, business, the data of car-mounted terminal are reported etc. and to carry out Long-distance Control, car-mounted terminal uploads to background server with test data automatically, and background server is managed concentratedly the test data of big data quantity and carried out case study and location.Whole test and analytic process all are to carry out automatically, not only save human resources, and can accomplish to dispose more broadly as required and use.
Car-mounted terminal is the operational trials and the part of data acquisition of TD-SCDMA automatic road measuring system.Car-mounted terminal mainly is made up of car-mounted terminal hardware, operating system and drive test software mounted thereto.Car-mounted terminal is supported various built-in business modules, comprise: built-in one or more TD-SCDMA business modules, built-in one or more GSM (Global System for Mobile Communications, global system for mobile communications)/GPRS (General Packet Radio Service, GPRS)/EDGE (Enhanced Data Rate for GSM Evolution, the enhanced data rates for gsm evolution technology) business module, a built-in GPS (Global Positioning System, global positioning system) module etc.
At present the car-mounted terminal of each producer is generally taked the mode of customized development, is solidificated on the expansion board for the support of various modules.Promptly when producing, which module this car-mounted terminal supports fix, its business module directly is welded on the expansion board, if will support or be replaced with other business module, must redesign expansion board, the module replacing is carried out in manual welding simultaneously, and autgmentability is relatively poor, and replacement cost is higher, and the cost of maintenance is also higher.
The utility model content
The utility model provides a kind of car-mounted terminal of driver test system, can support the plug of miscellaneous service module.
A kind of car-mounted terminal of driver test system comprises interface expansion board and at least one business module card, and described interface expansion board is provided with at least one slot, and described business module card is used to peg graft.
Preferably, the number of described slot is at least two, and each inserting slot construction is identical.
The utility model provides a kind of car-mounted terminal of driver test system, the interface expansion board is provided with slot, and each business module card that is used to peg graft can be supported the plug of each business module card, relatively more convenient for the maintenance of business module, replacing, installation etc., make that the maintainability of system is better.
Description of drawings
The car-mounted terminal structure chart of the driver test system that Fig. 1 provides for the utility model;
The structure chart of the business module card that Fig. 2 provides for the utility model;
Fig. 3 is the detailed structure chart of car-mounted terminal of the present utility model.
Embodiment
The utility model provides a kind of car-mounted terminal of driver test system, the interface expansion board of car-mounted terminal is provided with slot, each business module card is used to peg graft, can support the plug of each business module card, relatively more convenient for the maintenance of business module card, replacing, installation etc., make that the maintainability of system is better.
As shown in Figure 1, the car-mounted terminal structure chart of the driver test system that provides for the utility model comprises interface expansion board 11 and at least one business module card 12, and wherein, interface expansion board 11 is provided with at least one slot, and business module card 12 is used to peg graft.
Preferably, the number of slot is at least two, and each inserting slot construction is identical.
The number of slot can be set to 8, supports the grafting of 8 business module cards.
Wherein, each slot adopts general structure, makes dissimilar business module cards can insert in any one slot and uses;
Preferably, slot comprises: USB (Universal Serial Bus, USB) interface pin, serial interface pin, power supply signal pin, control signal pin, wherein, described USB interface pin is connected to the inner usb circuit of expansion board, described serial interface pin is connected to the inner serial interface circuit of expansion board, and described power supply signal pin is connected to expansion board internal electric source signal, and described control signal pin is connected to the expansion board internal control circuit.Exist in the time of USB interface pin and serial port pin, can maximized compatible USB interface or the module card of serial interface.
Preferably, slot also comprises: audio frequency I/O pin, described audio frequency I/O pin are connected to the inner audio frequency and video control circuit of expansion board.
The power supply signal of expansion board inside is connected to the power module in the car-mounted terminal, and the control circuit of expansion board inside is connected to the mainboard of car-mounted terminal; The audio frequency and video control circuit of expansion board inside is connected to the mainboard of car-mounted terminal;
And, the interface pin of business module card is corresponding one by one with the pin of expansion board slot, like this, when supporting the business module card of other standards, only need to be integrated in the car-mounted terminal, carry out drive test by this slot interface requirement design, other partial design of car-mounted terminal do not need change, and the extensibility of system is better.
Wherein, as shown in Figure 2, the structure chart of the business module card that provides for the utility model, the business module fixture body comprises:
Antennal interface 22 connects antenna and Service Processing Module.
Preferably, the business module card also comprises:
SIM (Subscriber Identity Module, client identification module) blocks jack module 23, connects Service Processing Module, is used to the SIM card of pegging graft; Perhaps
Wherein, status indicator lamp 24 specifically comprises:
Power supply indicator is used to indicate the voltage status of current business processing module;
Working station indicator is used to indicate the operating state of current business processing module.
Describe scheme of the present utility model in detail with a preferred embodiment below.
Simply introduce earlier the hardware configuration of car-mounted terminal integral body of the present utility model.
As shown in Figure 3, the detailed hardware structure diagram for car-mounted terminal of the present utility model comprises:
Embedded computer board 31, mainboard are provided with memory, CPU, communication interface;
Wherein, memory comprises internal memory and storage card, internal memory generally to satisfy 1GB and more than, memory is supported the high speed storing card, read-write average speed is more than or equal to 6MB/ second; Support simultaneously to embed 1 storage card, more than the capacity 4GB;
Each business module card 33, the connecting interface expansion board is used to carry out the various functional tests of driver test system.
The main docking port expansion board of the utility model is improved, make the interface expansion board can support plugging of various modules, further, interface expansion board of the present utility model adopts universal design, dissimilar business module cards can insert in any one slot and use, and is relatively more convenient for the maintenance of business module card, replacing, installation etc.
Introduce each module below respectively in detail.
1, embedded computer board, the working temperature of mainboard are generally at-20 ℃-+70 ℃; The dominant frequency of CPU requires more than 1.3GHZ reaches; Support watchdog function simultaneously.
2, interface expansion board is expanded the various types of communication interface of embedded computer, to satisfy the demand of each business module for communication interface;
The interface expansion board is provided with slot, and the business module card that is used to peg graft, and the employing of the slot on interface expansion board universal design make dissimilar business module cards can insert in any one slot and use;
Preferably, the slot of interface expansion board comprises: USB interface pin, serial interface pin, power supply signal pin, control signal pin, promptly slot can be supported USB mouth, serial ports, power supply signal interface, control signal interface simultaneously.Preferably, slot also comprises: described slot also comprises: audio frequency I/O pin, audio frequency I/O pin are connected to the inner audio frequency and video control circuit of expansion board.
Wherein, the control signal interface comprises two, and a control module is restarted, a control led status;
Audio frequency input/output signal interface is used for the voice quality test.
Wherein, the interface expansion board also provides external interface, comprising: 5 USB interface are provided, are used for external 5 testing mobile phones, this interface requirement can carry out the USB charging to testing mobile phone; A USB mouth is provided, is used for external GPS; A USB interface is provided, after inserting USB flash disk or portable hard drive, copies test data automatically; An Ethernet interface is provided, is used for external Scanner, or be connected with exterior PC or local area network (LAN), make the user can be remotely logged into car-mounted terminal and debug test by netting twine; Power interface is provided, is connected power supply with power module; A VGA interface is provided, supports resolution 800*600,1024*768,1280*1024, connect external display, use when being used for test and debugging; Keyboard, mouse interface are provided, connect external keyboard, mouse, be used for test and debugging; Interface expansion board inside comprises USB Hub simultaneously, is used for 1 USB mouth is expanded to 7 outside USB mouths that use; Expansion board inside also comprises built-in sound card, comprises each one of Steero Line In, Stereo Line Out, MIC In.The interface expansion board also connects the voice quality test card simultaneously, and the voice quality test card is communicated by letter by USB or network interface with mainboard, communicates by letter by the audio frequency input/output interface with each business module.
3, business module card
The business module card comprises: TD-SCDMA business module card, GSM/GPRS/EDGE business module card, GPS business module card;
Each business module card adopts integrated integrated circuit board design, is about to the needed various functions of this module and is integrated on the integrated circuit board; Each business module comprises:
Service Processing Module is used to handle the miscellaneous service of driver test system;
Antennal interface connects antenna and Service Processing Module.
The sim card socket module connects Service Processing Module, is used to the SIM card of pegging graft;
Wherein, the GPS module does not need the sim card socket module;
Status indicator lamp connects Service Processing Module, is used to indicate the state of business module card;
Reset button connects Service Processing Module, and the business module card is used to reset.
Wherein, the corresponding one by one coupling of pin of the interface pin of each business module card and interface expansion board slot is so that each business module can communicate by interface expansion board and mainboard;
Each business module card support plug property does not require the support hot plug, requires to close earlier car-mounted terminal when module card is changed in plug;
The antennal interface of each business module card, status indicator lamp, reset button are inserted into expansion board at each business module, and after being inserted into cabinet, should be exposed at the cabinet outside outward, each business module khaki he partly place in the cabinet, the position of its exposed portions serve needs reasonable in design, makes things convenient for the placement of equipment and user's operation.
Wherein, be integrated with sim card socket on TD-SCDMA business module card, the GSM/GPRS/EDGE business module card, support that the user can easily change SIM card;
Wherein, TD-SCDMA business module card, GSM/GPRS/EDGE business module card are provided with audio frequency input/output interface pin, use when testing for voice quality MOS (the average subjective value of Mean Opinion Score);
Each business module card provides 2 status indicator lamps, comprises power supply indicator and working station indicator, for power supply indicator, when the voltage of business module card just often shows greenly, shows red and flicker when undesired.For working station indicator, can control indicator light by function interface and carry out the state indication with the combination of different colours (comprising red, green, blue three looks) and flashing mode.
4, power module
Car-mounted terminal mainly uses the automobile power source power supply, supports the built-in rechargeable battery power supply simultaneously.Power module is responsible for car-mounted terminal is powered, and provides the normal operation of car-mounted terminal required power, and power module is converted to the required stable dc voltage of mainboard work with input voltage, is generally 12V;
The power interface (DC12V input) that power module support is connected with automobile power system; Power module comprises an electric power connection line, can conveniently connect automobile storage battery and car-mounted terminal, and have good stable; Power module also comprises a power supply changeover device, supports to be connected with external AC 220V power supply (using when being used for the laboratory debugging); Power module has the power supply input 7～60V of wide region, stable operation when supporting the automobile power source power supply; Power module also comprises internal battery, supports the internal battery power supply, in the time of can working as the external power source sudden power, switches to the internal battery power supply at once, does not influence the normal operation of system; The internal battery control of when being connected to external power source, charging automatically simultaneously; The life-span of internal battery should be supported to discharge and recharge fully for 300 times; The size of internal battery should be controlled in the reasonable range, generally uses the less lithium battery of volume; Internal battery requires and can be convenient for changing; For the USB interface that can be used for external testing mobile phone, power module can also provide the function to the testing mobile phone charging simultaneously.
Certainly, above-mentioned car-mounted terminal also comprises: cabinet, be used to load mainboard, interface expansion board, each business module and power module, and it is small and exquisite that cabinet need satisfy volume, comprises simultaneously being easy to carry handheld devices; Cabinet comprises fixture, can easily be installed in positions such as automobile boot, has certain antitheft, tamper-proof design; Cabinet panel should be firm wear-resisting, service truck mounted terminal durable in use, and shock resistance will be got well simultaneously; Cabinet also needs to prevent dust, rainproof design.
The total power switch button also is provided on cabinet, and reset button, the status indicator lamp of each business module rationally are distributed on the cabinet simultaneously, and the design of switch should be avoided easily and the external world bumps or be easy to the people is misoperation; An external power supply status indicator lamp is provided on cabinet simultaneously, connects external power supply, after energized, indicate; An internal battery electric weight indicator light is provided on cabinet, connects internal battery, when battery electric quantity just often shows greenly, undesired or electric weight shows red when low and glimmers;
Cabinet also comprises: external interface, and the external interface on the cabinet is connected to the corresponding interface of interface expansion board, and external interface comprises: 5 USB interface are provided on cabinet, are used for external 5 testing mobile phones, this interface requirement can carry out the USB charging to testing mobile phone; 1 USB interface is provided on cabinet, is used for external 1 GPS; The USB interface of a special use is provided on cabinet, after inserting USB flash disk or portable hard drive, can copies test data automatically; An Ethernet interface is provided on cabinet, is used for external Scanner, or be connected with exterior PC or LAN, can make the user debug use by being remotely logged into car-mounted terminal by netting twine; 1 VGA display interface also is provided on cabinet, connects external display, debugging is used; Keyboard, mouse interface are provided on cabinet, connect external keyboard, mouse, debugging is used;
The distribution of each external interface of cabinet requires rationally attractive in appearance, is easy to use, and each external interface has certain stability simultaneously, can not rock such as the USB mouth, can make plug-type.
Adopt car-mounted terminal of the present utility model, the interface expansion board adopts the slot design, each business module card can plug easily, each slot adopts universal design simultaneously, dissimilar business module cards can insert in any one slot and use, and is relatively more convenient for the maintenance of business module card, replacing, installation etc.While is because each slot adopts universal design, and each business module card is corresponding one by one with the interface of slot, and supports USB interface, serial interface, power supply signal interface, control signal interface, audio frequency input/output signal interface; Like this when the business module card of other standards is supported in expansion, as CDMA, WCDMA, CDMA2000 business module card, only need requirement design by this interface, can be integrated into system, other partial design of car-mounted terminal do not need change, and autgmentability is better.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. the car-mounted terminal of a driver test system comprises interface expansion board and at least one business module card, it is characterized in that described interface expansion board is provided with at least one slot, and described business module card is used to peg graft.
2. car-mounted terminal as claimed in claim 1 is characterized in that the number of described slot is at least two, and each inserting slot construction is identical.
3. car-mounted terminal as claimed in claim 2, it is characterized in that, described slot comprises: general-purpose serial bus USB interface pin, serial interface pin, power supply signal pin, control signal pin, wherein, described USB interface pin is connected to the inner usb circuit of expansion board, described serial interface pin is connected to the inner serial interface circuit of expansion board, and described power supply signal pin is connected to expansion board internal electric source signal, and described control signal pin is connected to the expansion board internal control circuit.
4. car-mounted terminal as claimed in claim 3 is characterized in that, described slot also comprises: audio frequency I/O pin, described audio frequency I/O pin are connected to the inner audio frequency and video control circuit of expansion board.
5. car-mounted terminal as claimed in claim 4 is characterized in that, the interface pin of described business module card is corresponding one by one with the pin of expansion board slot.
6. car-mounted terminal as claimed in claim 1 is characterized in that, described business module card comprises:
Service Processing Module is used to handle all business functions of this module;
Antennal interface connects antenna and Service Processing Module.
7. car-mounted terminal as claimed in claim 5 is characterized in that, described business module card also comprises:
Client identification module sim card socket module connects Service Processing Module, is used to the SIM card of pegging graft; And/or
Status indicator lamp connects Service Processing Module, is used to indicate the state of business module card; And/or
Reset button connects Service Processing Module, and the business module card is used to reset.
8. car-mounted terminal as claimed in claim 7 is characterized in that, described status indicator lamp specifically comprises:
Power supply indicator is used to the voltage status of indicating the business module card current;
Working station indicator is used to indicate business module card current working state.
9. car-mounted terminal as claimed in claim 1 is characterized in that, described business module fixture body is:
TD SDMA TD-SCDMA business module card, global system for mobile communications gsm service module card, general packet radio service gprs business module card or enhanced data rates for gsm evolution technology EDGE business module card.
10. as the described car-mounted terminal of the arbitrary claim of claim 1 to 9, it is characterized in that, also comprise:
Power module, the connecting interface expansion board is used for the docking port expansion board and powers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200073095U CN201947323U (en) | 2011-01-11 | 2011-01-11 | Vehicle-mounted terminal for road testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200073095U CN201947323U (en) | 2011-01-11 | 2011-01-11 | Vehicle-mounted terminal for road testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201947323U true CN201947323U (en) | 2011-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200073095U Expired - Lifetime CN201947323U (en) | 2011-01-11 | 2011-01-11 | Vehicle-mounted terminal for road testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201947323U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013078940A1 (en) * | 2011-12-02 | 2013-06-06 | 大唐移动通信设备有限公司 | Method and device for information interaction in auto driver test system |
| CN108769221A (en) * | 2018-06-04 | 2018-11-06 | 北京首汽智行科技有限公司 | A kind of remote real_time control device |
| CN112765060A (en) * | 2019-10-21 | 2021-05-07 | 上海博泰悦臻电子设备制造有限公司 | Vehicle-mounted terminal platform |
-
2011
- 2011-01-11 CN CN2011200073095U patent/CN201947323U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013078940A1 (en) * | 2011-12-02 | 2013-06-06 | 大唐移动通信设备有限公司 | Method and device for information interaction in auto driver test system |
| CN108769221A (en) * | 2018-06-04 | 2018-11-06 | 北京首汽智行科技有限公司 | A kind of remote real_time control device |
| CN112765060A (en) * | 2019-10-21 | 2021-05-07 | 上海博泰悦臻电子设备制造有限公司 | Vehicle-mounted terminal platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110824 |