CN203552317U - Heavy-duty truck traveling data recorder - Google Patents
Heavy-duty truck traveling data recorder Download PDFInfo
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- CN203552317U CN203552317U CN201320748146.5U CN201320748146U CN203552317U CN 203552317 U CN203552317 U CN 203552317U CN 201320748146 U CN201320748146 U CN 201320748146U CN 203552317 U CN203552317 U CN 203552317U
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- 238000004891 communication Methods 0.000 claims abstract description 114
- 101150008604 CAN1 gene Proteins 0.000 claims abstract description 45
- 101150063504 CAN2 gene Proteins 0.000 claims abstract description 45
- 238000002955 isolation Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000009795 derivation Methods 0.000 claims description 4
- 238000013500 data storage Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
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Abstract
The utility model provides a heavy-duty truck traveling data recorder which comprises a shell. A control circuit is disposed in the shell. A CAN1 communication interface, a CAN2 communication interface, a USB interface, and a hand switch used for switching collection and export of vehicle traveling data are arranged on the shell. The USB interface, the hand switch, and the communication interfaces are connected with the control circuit. The control circuit comprises a controller, a power module, a data storage device, a CAN1 communication interface circuit, a CAN2 communication interface circuit, and a USB interface control circuit, wherein the power module, the data storage device, the CAN1 communication interface circuit, the CAN2 communication interface circuit, and the USB interface control circuit are connected with the controller. The power module comprises a DC/DC converter connected with the controller which is connected with the hand switch. The CAN1 communication interface circuit is connected with the CAN1 communication interface, and the CAN2 communication interface circuit is connected with the CAN2 communication interface. The USB interface control circuit is connected with the USB interface. The heavy-duty truck traveling data recorder is small in size, simple in operation, convenient to use, and capable of being powered up by the power supply of a vehicle.
Description
Technical field
The utility model relates to technical field of automotive electronics, specifically a kind of heavy-duty car Tachographs.
Background technology
Along with the development of technology, increasing heavy-duty car has been installed Tachographs.Tachographs can be obtained parameter by automobile itself, and by these Parameter storages in above-mentioned Tachographs, the examination when breaking down.
And at present, domestic automobile telecommunications art strength is not also very strong, often uses external automobile travel recorder, such as the CANoe of German Vector company, the registering instruments such as VehicleSpy of American I ntrepidcs company.But use above-mentioned instrument to carry out Vehicle Driving Cycle while recording, mostly use a host computer to control, such as using vehicle-mounted computer or notebook computer, control, and must there is an operator in real time host computer to be controlled, equipment is all USB interface power supply and the necessary extra data-interface wire harness of making for connection device and vehicle by host computer simultaneously, and bulky, complicated operation, is used inconvenience, and still there is no at present good solution, this is the deficiencies in the prior art part.
Utility model content
The technical problems to be solved in the utility model is, for the deficiencies in the prior art part, a kind of technical scheme of heavy-duty car Tachographs is provided, this scheme has overcome that prior art is bulky, complicated operation, awkward deficiency, not only volume is little, easy and simple to handle, and can use vehicle+24V Power supply, practical.
In order to solve the problems of the technologies described above, the utility model provides following a kind of heavy-duty car Tachographs, comprise housing, housing is built-in with a control circuit, housing is provided with a CAN1 communication interface, a CAN2 communication interface, a USB interface and for switching the hand switch of collection and the derivation of running car data, and described CAN1 communication interface, CAN2 communication interface, USB interface are connected described control circuit with hand switch; Described control circuit comprises controller, and the power module being connected with described controller, data-carrier store, CAN1 communication interface circuit, CAN2 communication interface circuit and usb control circuit; Described power module comprises the DC/DC converter being connected with controller, and described controller is connected with hand switch, and described CAN1 communication interface circuit is connected with CAN1 communication interface, and described CAN2 communication interface circuit is connected with CAN2 communication interface; Described usb control circuit is connected with USB interface.
Wherein, hand switch can be controlled and select two kinds of patterns, running car data acquisition scheme and running car data exported schema.During use, the data communication network in the vehicle diagnostics interface of CAN1 communication interface and heavy-duty car can be connected, the inline diagnosis network in the vehicle diagnostics interface of CAN2 communication interface and heavy-duty car is connected.When hand switch is struck to running car data acquisition scheme, control circuit carries out the collection of running car data by CAN1 communication interface and CAN2 communication interface, comprise the collection to running datas such as the duty of automobile speed, engine speed, water temperature, engine oil pressure and each sensor of vehicle and failure messages.When hand switch is struck to running car data exported schema, control circuit is just derived the running car data that gather before by USB interface, thereby controls the derivation of running car data.Thereby can realize the service data of unattended mode registration of vehicle, easy and simple to handle.
During use, DC/DC converter is connected with vehicle diagnostics interface, and vehicle diagnostics interface is provide+24V of DC/DC converter power supply, DC/DC converter by vehicle, use+power supply of be converted to+5V of 24V power supply, thereby be the utility model power supply.
Described control circuit also comprises a RTC clock circuit, and described RTC clock circuit is connected by IIC Interface and Controler.
Described controller be connected with a storer dual-colored LED pilot lamp for display data memory duty, for the CAN1 communication dual-colored LED pilot lamp and that shows CAN1 communication interface communication state for showing the CAN2 communication dual-colored LED pilot lamp of CAN2 communication interface communication state, described storer dual-colored LED pilot lamp, CAN1 communication dual-colored LED pilot lamp and CAN2 communication dual-colored LED pilot lamp are arranged on housing.
Described controller adopts STM32F105 chip, and the GPIO interface of STM32F105 chip connects the described data-carrier store of SDIO interface connection of hand switch, STM32F105 chip.
Described data-carrier store adopts TF storage card.
Between described controller and CAN1 communication interface circuit and CAN2 communication interface circuit, be connected with respectively power isolation circuit.
Described power isolation circuit adopts B0505S isolated from power chip.
Described CAN1 communication interface circuit and CAN2 communication interface circuit comprise respectively CAN communication interface chip, common mode choke and digital isolating chip.
Described digital isolating chip adopts ADuM1201 chip.
Described CAN communication interface chip adopts TJA1050 communication interface chip.
Compare with prior art scheme, the utility model has the advantage of:
(1) heavy-duty car Tachographs described in the utility model, by a control circuit and the housing that is located at this control circuit periphery, form, described housing is provided with the interface that a hand switch and several and described control circuit are connected, and each ingredient of described control circuit is compact electric apparatus, volume is little, be easy to carry; And avoided needing in prior art extra drawback of making for the data-interface wire harness of connection device and vehicle, thereby simplified the structure, easy and simple to handle;
(2) the utility model is by built-in DC/DC change type electric power-feeding structure, by DC/DC converter by vehicle, use+power supply of be converted to+5V of 24V power supply, the utility model not only can be powered by USB interface, can also use vehicle+24V Power supply, thereby increased power supply of the present utility model, increased the scope of application of the utility model to power supply, thereby increased the scope of application of the present utility model, avoided the drawback that must power by the USB of host computer in prior art, practical;
(3) the utility model is in conjunction with hand switch, by built-in controller, control the collection of running car data and the derivation of running car data, can realize the service data of unattended mode registration of vehicle, do not need operating personnel and host computer to carry out scene control operation in real time, easy to use, not only reduce use cost, also reduced the error producing because of manual operation.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and the beneficial effect of its enforcement is also apparent.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present utility model, will the accompanying drawing of required use in embodiment be briefly described below.
Fig. 1 is the structural diagrams intention of a kind of embodiment of the present utility model.
Fig. 2 is the structural diagrams intention of control circuit described in Fig. 1.
Fig. 3 is the electrical schematic diagram schematic diagram of Fig. 1 illustrated embodiment.
Wherein: 1, housing, 2, CAN1 communication interface, 3, CAN2 communication interface, 4, USB interface, 5, hand switch, 6, control circuit, 7, storer dual-colored LED pilot lamp, 8, CAN1 communication dual-colored LED pilot lamp, 9, CAN2 communication dual-colored LED pilot lamp, 10, controller, 11, data-carrier store, 12, IIC interface, 13, CAN2 communication interface circuit, 14, usb control circuit, 15, RTC clock circuit, 16, power module, 17, CAN1 communication interface circuit.
Embodiment
For ease of explanation, below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of heavy-duty car Tachographs of the present utility model, comprise housing 1, housing 1 is built-in with a control circuit 6, housing 1 is provided with a CAN1 communication interface 2, CAN2 communication interface 3, USB interface 4 and a hand switch 5 of deriving for switching running car data acquisition and data, the control circuit 6 described in described CAN1 communication interface 2, CAN2 communication interface 3, USB interface 4 and hand switch 5 are connected.Described control circuit 6 comprises controller 10, and the power module 16, data-carrier store 11, CAN1 communication interface circuit 17, CAN2 communication interface circuit 13 and the usb control circuit 14 that are connected with described controller 10; Described power module 16 comprises the DC/DC converter being connected with controller 10, described controller 10 is connected with hand switch 5, controller 10 is connected with CAN1 communication interface 2 by CAN1 communication interface circuit 17, controller 10 is connected with CAN2 communication interface 3 by CAN2 communication interface circuit 13, and controller 10 connects described USB interface 4 by usb control circuit 14.
During use, the data communication network in the vehicle diagnostics interface of CAN1 communication interface 2 and heavy-duty car is connected, the inline diagnosis network in the vehicle diagnostics interface of CAN2 communication interface 3 and heavy-duty car is connected.When hand switch 5 is struck to running car data acquisition scheme, control circuit 6 carries out the collection of running car data by CAN1 communication interface 2 and CAN2 communication interface 3, and described running car data comprise the duty of the speed of a motor vehicle, engine speed, water temperature, engine oil pressure and each sensor of vehicle and failure message etc.When hand switch 5 is struck to running car data exported schema, control circuit 6 just transfers out the running car data that gather before by USB interface 4, such as the utility model is connected on a PC by USB interface 4, when hand switch 5 is struck to data exported schema, control circuit 6 can transfer to by described USB interface 4 the running car data that gather before on described PC.Easy and simple to handle.
When the utility model is connected to host computer by USB interface 4, as on PC time, can to the baud rate of the related CAN communication of the utility model, CAN message sink ID, filter by host computer and the setting of other parameter.And USB interface 4 can be powered for the utility model.
During use, DC/DC converter is connected with vehicle diagnostics interface, and vehicle diagnostics interface is provide+24V of the utility model power supply, should+24V power supply can be by built-in be adjusted to+5V of the DC/DC converter voltage of the utility model, for the utility model.
Described control circuit 6 also comprises a RTC clock circuit 15, and described RTC clock circuit 15 is connected with controller 10 by an IIC interface 12.In addition, in view of RTC clock circuit 15 is with self-charging button cell and adjustable real-time clock, absolute time when file is preserved be can real time record receive in the absolute time of CAN message time of reception and data-carrier store 11, follow-up data playback and data processing be convenient to.RTC clock circuit 15, with self-charging button cell, can be continued a journey 12 months at normal temperatures, and by USB power or+24V vehicle powers, and can, in time to button cell charging, guarantee the normal work of RTC clock circuit 15.Wherein, the data that the utility model gathers are stored in data-carrier store 11 with the form of file, and to take the absolute time that RTC clock circuit 15 provides be file designation, the uniqueness that can guarantee and ageing.
Described controller 10 be connected with a storer dual-colored LED pilot lamp 7 for display data memory 11 duties, for the CAN1 communication dual-colored LED pilot lamp 8 and that shows CAN1 communication interface 2 communication states for showing the CAN2 communication dual-colored LED pilot lamp 9 of CAN2 communication interface 3 communication states, described storer dual-colored LED pilot lamp 7, CAN1 communication dual-colored LED pilot lamp 8 and CAN2 communication dual-colored LED pilot lamp 9 are arranged on housing 1.
Wherein, the redness that is of each dual-colored LED pilot lamp is indicated colors with green two kinds.For storer dual-colored LED pilot lamp 7, when its indication color shows redness, while showing data-carrier store 11 storage data, break down; When its indication color be green, show that data-carrier store 11 can normal storage, and when the utility model is connected with computer, it indicates color is green.For CAN1 communication dual-colored LED pilot lamp 8, while showing redness, show CAN1 communication abnormality, while showing green, show that CAN1 communication is normal.For CAN2 communication dual-colored LED pilot lamp 9, while showing redness, show CAN2 communication abnormality, while showing green, show that CAN2 communication is normal.And when analyser is working properly, three groups of dual-colored LED pilot lamp all show green; When power supply exists fault, each LED light does not all work; When CAN communication is connected with problem, two CAN dual-colored LED pilot lamp red alarm.
Wherein, described controller 10 adopts STM32F105 chip, and the GPIO interface of STM32F105 chip connects the described data-carrier store 11 of SDIO interface connection of hand switch 5, STM32F105 chip.
Wherein, described data-carrier store 11 adopts TF storage card.
Wherein, between described controller 10 and CAN1 communication interface circuit 17 and CAN2 communication interface circuit 13, be connected with respectively power isolation circuit, and described CAN1 communication interface circuit 17 and CAN2 communication interface circuit 13 comprise respectively CAN communication interface chip, common mode choke and digital isolating chip.
Wherein, described CAN communication interface chip adopts TJA1050 communication interface chip, and described digital isolating chip adopts ADuM1201 chip.Heavy-duty car working environment is complicated, outside electromagnetic interference tends to CAN network communication to produce harm, and the use of digital isolating chip has avoided outside electromagnetic interference to enter in analyser by the conduction of CAN communication interface, guaranteed the stability of CAN communication signal quality, practical.
Described power isolation circuit adopts B0505S isolated from power chip, and general+5V power supply Vin_+5V is isolated into Vout_CAN, specially for CAN communication interface chip TJA1050 and CAN data-signal isolating chip ADuM1201 chip.
Claims (10)
1. a heavy-duty car Tachographs, it is characterized in that: comprise housing, housing is built-in with a control circuit, housing is provided with a CAN1 communication interface, a CAN2 communication interface, a USB interface and for switching the hand switch of collection and the derivation of running car data, and described CAN1 communication interface, CAN2 communication interface, USB interface are connected described control circuit with hand switch; Described control circuit comprises controller, and the power module being connected with described controller, data-carrier store, CAN1 communication interface circuit, CAN2 communication interface circuit and usb control circuit; Described power module comprises the DC/DC converter being connected with controller, and described controller is connected with hand switch, and described CAN1 communication interface circuit is connected with CAN1 communication interface, and described CAN2 communication interface circuit is connected with CAN2 communication interface; Described usb control circuit is connected with USB interface.
2. heavy-duty car Tachographs according to claim 1, is characterized in that: described control circuit also comprises a RTC clock circuit, and described RTC clock circuit is connected by IIC Interface and Controler.
3. heavy-duty car Tachographs according to claim 1 and 2, it is characterized in that: described controller be connected with a storer dual-colored LED pilot lamp for display data memory duty, for the CAN1 communication dual-colored LED pilot lamp and that shows CAN1 communication interface communication state for showing the CAN2 communication dual-colored LED pilot lamp of CAN2 communication interface communication state, described storer dual-colored LED pilot lamp, CAN1 communication dual-colored LED pilot lamp and CAN2 communication dual-colored LED pilot lamp are arranged on housing.
4. heavy-duty car Tachographs according to claim 1 and 2, it is characterized in that: described controller adopts STM32F105 chip, and the GPIO interface of STM32F105 chip connects the described data-carrier store of SDIO interface connection of hand switch, STM32F105 chip.
5. heavy-duty car Tachographs according to claim 4, is characterized in that: described data-carrier store adopts TF storage card.
6. heavy-duty car Tachographs according to claim 1, is characterized in that: between described controller and CAN1 communication interface circuit and CAN2 communication interface circuit, be connected with respectively power isolation circuit.
7. heavy-duty car Tachographs according to claim 6, is characterized in that: described power isolation circuit adopts B0505S isolated from power chip.
8. according to the heavy-duty car Tachographs described in claim 1 or 6, it is characterized in that: described CAN1 communication interface circuit and CAN2 communication interface circuit comprise respectively CAN communication interface chip, common mode choke and digital isolating chip.
9. heavy-duty car Tachographs according to claim 8, is characterized in that: described digital isolating chip adopts ADuM1201 chip.
10. heavy-duty car Tachographs according to claim 8, is characterized in that: described CAN communication interface chip adopts TJA1050 communication interface chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320748146.5U CN203552317U (en) | 2013-11-25 | 2013-11-25 | Heavy-duty truck traveling data recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320748146.5U CN203552317U (en) | 2013-11-25 | 2013-11-25 | Heavy-duty truck traveling data recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552317U true CN203552317U (en) | 2014-04-16 |
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ID=50470401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320748146.5U Expired - Lifetime CN203552317U (en) | 2013-11-25 | 2013-11-25 | Heavy-duty truck traveling data recorder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203552317U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957185A (en) * | 2016-05-12 | 2016-09-21 | 广州地铁集团有限公司 | Real-time data acquisition recorder and recording method thereof |
| CN109240164A (en) * | 2018-09-27 | 2019-01-18 | 希格斯动力科技（珠海）有限公司 | CAN bus isolation circuit, power panel and robot |
| CN114863588A (en) * | 2022-07-06 | 2022-08-05 | 知迪汽车技术(北京)有限公司 | Data recorder |
-
2013
- 2013-11-25 CN CN201320748146.5U patent/CN203552317U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957185A (en) * | 2016-05-12 | 2016-09-21 | 广州地铁集团有限公司 | Real-time data acquisition recorder and recording method thereof |
| CN109240164A (en) * | 2018-09-27 | 2019-01-18 | 希格斯动力科技（珠海）有限公司 | CAN bus isolation circuit, power panel and robot |
| CN114863588A (en) * | 2022-07-06 | 2022-08-05 | 知迪汽车技术(北京)有限公司 | Data recorder |
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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: 20140416 |