CN202029788U - High-reliability vehicle-mounted multifunctional device - Google Patents
High-reliability vehicle-mounted multifunctional device Download PDFInfo
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- CN202029788U CN202029788U CN2011201334707U CN201120133470U CN202029788U CN 202029788 U CN202029788 U CN 202029788U CN 2011201334707 U CN2011201334707 U CN 2011201334707U CN 201120133470 U CN201120133470 U CN 201120133470U CN 202029788 U CN202029788 U CN 202029788U
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Abstract
The utility model relates to a high-reliability vehicle-mounted multifunctional device, which comprises a multimedia playing device and a digital video obtaining device, wherein the multimedia playing device is used for playing multimedia files, the digital video obtaining device is used for obtaining and storing in-vehicle environment images in the vehicle running process, the multimedia playing device outputs first period signals to the digital video obtaining device by outputting a first period signal wire for realizing the connection of the device, and the digital video obtaining device also outputs first reset signals to a first reset signal wire of the multimedia playing device for being connected with the multimedia playing device when the first period signals disappear. When being implemented, the high-reliability vehicle-mounted multifunctional device has the following beneficial effect that the stability is higher.
Description
Technical field
The utility model relates to mobile unit, more particularly, relates to a kind of vehicle-mounted multifunctional device of high reliability.
Background technology
Mobile unit, particularly vehicle electronic device is more and more used.Along with the development of technology, the raising of customer requirements, the relatively independent functional module that exists a plurality of electronic machine or mobile unit to have on a chassis is also more and more.Because the working environment of mobile unit is comparatively abominable, its reliability is a very important index.Usually, reliability not merely is not go wrong, and to a large extent, also having comprised goes wrong can reset in time, make its can be once more normal operation rapidly.In existing mobile unit, multiple device only is to work independently, lacks the monitoring for various device or various functional module mode of operations, make a plurality of mobile units or Vehicular multifunctional equipment as one generally speaking, its reliability is lower.
The utility model content
The technical problems to be solved in the utility model is, as a lower defective of reliability generally speaking, provide a kind of vehicle-mounted multifunctional device at above-mentioned a plurality of mobile units of prior art or Vehicular multifunctional equipment with a kind of high reliability of higher reliability.
The technical scheme that its technical matters that solves the utility model adopts is: the vehicle-mounted multifunctional device of constructing a kind of high reliability, comprise the multimedia playing apparatus that is used for the play multimedia file, be used for obtaining the also digital video acquisition device of store car driving process environment inside car image, to described digital video acquisition device, described digital video acquisition device is also by exporting the first reset signal wire joint described multimedia playing apparatus of first reset signal to described multimedia playing apparatus during blackout in described period 1 by period 1 signal wire (SW) output period 1 signal for described multimedia playing apparatus.
In the vehicle-mounted multifunctional device of high reliability described in the utility model, described multimedia playing apparatus comprises the multimedia treater, described digital video acquisition device comprises digital signal processor, and described period 1 signal is outputed to an input end of described digital signal processor by a mouth of described multimedia treater; Described first reset signal is outputed to the reset signal input end of described multimedia treater by a mouth of described digital signal processor.
In the vehicle-mounted multifunctional device of high reliability described in the utility model, also comprise the second round signal and in described second round during blackout export second reset signal microcontroller to described digital video acquisition device of reception by the output of described digital video acquisition device; Described second round, signal was outputed to an input end of described microcontroller by a mouth of the digital signal processor of described video acquisition device; Described second reset signal is outputed to the reset signal input end of described digital signal processor by a mouth of described microcontroller.
In the vehicle-mounted multifunctional device of high reliability described in the utility model, also comprise the period 3 signal that receives described microcontroller output and export the hardware reset unit of the 3rd reset signal during blackout to described microcontroller reset terminal in described period 3.
In the vehicle-mounted multifunctional device of high reliability described in the utility model, described digital video acquisition device is DVR, and described multimedia playing apparatus is the MP5 player.
In the vehicle-mounted multifunctional device of high reliability described in the utility model, also be included as the power supply of described vehicle-mounted multifunctional device each several part power supply, described power supply comprises the mouth of a plurality of different output voltages, is respectively described each several part power supply.
In the vehicle-mounted multifunctional device of high reliability described in the utility model, described power supply comprises the voltage transformer of changing voltage, described voltage transformer comprises a plurality of independent output primary, and described power supply is that the mouth of described digital video acquisition device power supply is connected with an independent transformer secondary output coil.
In the vehicle-mounted multifunctional device of high reliability described in the utility model, described digital video acquisition device also be used for that storage obtains and the memory cell of treated digital of digital video data is connected; Described memory cell is two and the SD flash card that connects.
In the vehicle-mounted multifunctional device of high reliability described in the utility model, described multimedia playing apparatus also comprises the treater that is used for the play multimedia file, described multimedia playing apparatus also comprises the control panel that is used to control described multimedia playing apparatus, and described control panel is connected by the treater of bus with described multimedia control setup.
In the vehicle-mounted multifunctional device of high reliability described in the utility model, also comprise the GPS navigation unit, described GPS navigation unit is by being connected with described digital video acquisition device with the GPS navigation reseting signal line of output GPS navigation reset signal when described GPS navigation periodic signal disappears to described GPS navigation unit to the GPS navigation periodic signal line of described digital video acquisition device by described GPS navigation unit output periodic signal.
Implement the vehicle-mounted multifunctional device of high reliability of the present utility model, has following beneficial effect: because this multi-function device is monitored the mode of operation of multimedia device by its comparatively stable digital video acquisition device, so as long as above-mentioned digital video acquisition device is working properly, also can be when even above-mentioned multimedia playing apparatus goes wrong so that it resets at once, recover normal, therefore, its stability is higher; Simultaneously, in above-mentioned digital video acquisition device, also be provided with a plurality of monitor units and monitor the stabilized conditions of himself, make the stability of whole multi-function device further improve.
Description of drawings
Fig. 1 is the structural representation of the vehicle-mounted multifunctional device embodiment of a kind of high reliability of the utility model;
Fig. 2 is a power supply architecture scheme drawing among the described embodiment.
The specific embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described further.
As shown in Figure 1, in the vehicle-mounted multifunctional device embodiment of a kind of high reliability of the utility model, this vehicle-mounted multifunctional device comprises multimedia playing apparatus 2, digital video acquisition device 1, microcontroller 3, hardware reset unit 4 and GPS navigation unit 5; Wherein, these devices or unit are not to enumerate simply in above-mentioned vehicle-mounted multifunctional device and work independently; On the contrary, though do not interfere with each other when these devices or cell operation to a certain extent, but, on some main functions, particularly one of them device breaks down when causing crashing, the appearance of its reset signal has certain level, that is to say, in fact some in these devices or the unit are condition monitoring persons of other, when crashing appearred in monitored device or unit, reset signal can in time be found and be exported in device for monitoring or unit made the device or the unit that crash reply normal at once.This just make the stability of the device described in the present embodiment be higher than general, situation in multi-function device is enumerated in each device or unit.In the present embodiment, as shown in Figure 1, this multi-function device comprises the multimedia playing apparatus 2 that is used for the play multimedia file, be used to obtain and the digital video acquisition device 1 of store car driving process environment inside car image, to digital video acquisition device 1, digital video acquisition device 1 also connects multimedia playing apparatus 2 by export first reset signal during blackout in above-mentioned period 1 to first reseting signal line 102 of multimedia playing apparatus 2 by period 1 signal wire (SW) 101 output period 1 signals for multimedia playing apparatus 2.That is to say, on ordinary meaning for realize above-mentioned multimedia playing apparatus 2 with the general utility functions of digital video acquisition device 1 are necessary be connected, above-mentioned multimedia playing apparatus 2 also is connected with first reseting signal line 102 by period 1 signal wire (SW) 101 with digital video acquisition device 1.In the present embodiment, multimedia playing apparatus 2 comprises multimedia treater 21, and digital video acquisition device 1 comprises digital signal processor 11, and the period 1 signal is outputed to an input end of digital signal processor 11 by a mouth of multimedia treater 21; And first reset signal is outputed to the reset signal input end of multimedia treater 21 by a mouth of digital signal processor 11.Simultaneously, in the present embodiment, any one periodic signal that its multimedia processor 21 necessarily had when above-mentioned period 1 signal can be multimedia player 2 normal operation, for example, it can be system clock of multimedia player 2 or the like, in a word, this period 1 signal normally can be represented the mode of operation of multimedia player.In addition, the reset signal input end of the multimedia treater on the above-mentioned multimedia treater 21 neither only be connected with the above-mentioned first reset signal mouth, in fact, the reset signal input end of above-mentioned multimedia treater also is connected with an independent hand reset unit (not shown), this unit also can provide the function of electrification reset, is convenient to multimedia playing apparatus and is powering on or passing through hand reset in case of necessity.Like this, the mode of operation that the comparatively stable digital video acquisition device 1 of working just can the comparatively unsettled multimedia playing apparatus 2 of monitoring, and when it occurs crashing, make it working properly rapidly.
In addition, in the present embodiment, stable for further intensifying digital video acquisition device 1, this vehicle-mounted multifunctional device also comprise the second round signal and in described second round during blackout export second reset signal microcontroller 3 to digital video acquisition device 1 of reception by 1 output of digital video acquisition device; In the present embodiment, second round, signal outputed to an input end of microcontroller 3 by a mouth of the digital signal processor 21 of video acquisition device 1, i.e. signal wire (SW) 201 second round among Fig. 1; Second reset signal outputs to the reset signal input end of digital signal processor 11, i.e. second reseting signal line 202 among Fig. 1 by a mouth of microcontroller 3.Equally, the reset signal input end of above-mentioned digital signal processor 11 devices also is connected with an independent hand reset unit (not shown), this unit also can provide the function of electrification reset, is convenient to digital video acquisition device 1 and is powering on or passing through hand reset in case of necessity.Like this, the mode of operation that the more stable microcontroller 3 of working just can the comparatively unsettled digital video acquisition device 1 of monitoring, and when it occurs crashing, make it working properly rapidly.But, microcontroller 3 also unsettled situation may occur, what wherein move after all is program, therefore, further, in the present embodiment, also be provided with the hardware reset unit 4 of above-mentioned microcontroller 3 mode of operations of monitoring, this hardware reset unit 4 receives the period 3 signal of microcontrollers 3 outputs and exports the 3rd reset signal to microcontroller 3 reset terminals in the period 3 during blackout, and it passes through period 3 signal wire (SW) 301 and the 3rd reseting signal line 302 shown in Fig. 1 with being connected of microcontroller.Equally, above-mentioned period 3 signal also wants to represent the mode of operation of above-mentioned microcontroller 3.And also be not only to connect the 3rd reset signal of submitting a written statement to a higher authority on the reset signal input end of microcontroller 3, equally also be connected with an independently manual or electrification reset unit.
In addition, in the present embodiment, this multi-function device also comprises GPS navigation unit 5, similar to the annexation between above-mentioned digital video acquisition device 1 and the multimedia playing apparatus 2, above-mentioned digital video acquisition device 1 is connected by being connected with digital video acquisition device 1 with the GPS navigation reseting signal line 402 of output GPS navigation reset signal when the GPS navigation periodic signal disappears to GPS navigation unit 5 to the GPS navigation periodic signal line 401 of digital video acquisition device 1 by GPS navigation unit 5 output periodic signals with GPS navigation unit 5.Similarly, being connected of the GPS navigation unit periodic signal herein and the reset signal input end of GPS navigation unit 5, all with aforementioned multimedia playing apparatus 2 in periodic signal the same with the reset signal input end, do not repeat them here.
In other embodiment of the utility model, the functional unit or the device that may also comprise other, but a common characteristic is, these functional units or device all output can represent that the periodic signal of its mode of operation is to above-mentioned digital video acquisition device 1, simultaneously, its reset signal input end also is connected with a mouth of above-mentioned digital video acquisition device respectively.
In the present embodiment, digital video acquisition device 1 is DVR, and multimedia playing apparatus 2 is the MP5 player; Digital video acquisition device 1 also be used for that storage obtains and the memory cell (not shown) of treated digital of digital video data is connected; Described memory cell is two and the SD flash card that connects; And multimedia playing apparatus 2 also comprises the control panel (not shown) that is used to control described multimedia playing apparatus, and described control panel is connected with described multimedia treater 21 by bus.
In addition, in this enforcement power, also be included as the power supply of vehicle-mounted multifunctional device each several part power supply, as shown in Figure 2, this power supply comprises the mouth of a plurality of different output voltages, is respectively described each several part power supply.In Fig. 2, above-mentioned power supply comprises that the vdc that will be got by AC rectification is converted to the voltage transformer of the alternating-current voltage/AC voltage of low voltage, this is stated voltage transformer and comprises elementaryly, elementaryly by the binistor that is controlled unit controls the vdc that rectification obtains is converted to alternating-current voltage/AC voltage; This voltage transformer also comprises and above-mentioned grade coupled a plurality of independent output primary just, these output primary are connected with independent rectification and voltage conversion unit (being the pressure regulation unit) separately, obtain independently, the output voltage of different output voltage values, two output primary have been shown among Fig. 2, one of them obtains unit 1 by outputing to above-mentioned digital video after rectification, the pressure regulation, is its power supply; Another is secondary then by outputing to other unit or the device in the above-mentioned multi-function device after rectification, the pressure regulation, be these devices or unit power supply, in the present embodiment, the output voltage that above-mentioned supply digital video obtains unit 1 is 12.5V, and the output voltage of supplying with other devices or unit is 5V; This method that the power supply supply is separated makes above-mentioned digital video obtain the more stable work of unit 1, and reliability is higher.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. the vehicle-mounted multifunctional device of a high reliability, it is characterized in that, comprise the multimedia playing apparatus that is used for the play multimedia file, be used to obtain and the digital video acquisition device of store car driving process environment inside car image, to described digital video acquisition device, described digital video acquisition device is also by exporting the first reset signal wire joint described multimedia playing apparatus of first reset signal to described multimedia playing apparatus during blackout in described period 1 by period 1 signal wire (SW) output period 1 signal for described multimedia playing apparatus.
2. the vehicle-mounted multifunctional device of high reliability according to claim 1, it is characterized in that, described multimedia playing apparatus comprises the multimedia treater, described digital video acquisition device comprises digital signal processor, and described period 1 signal is outputed to an input end of described digital signal processor by a mouth of described multimedia treater; Described first reset signal is outputed to the reset signal input end of described multimedia treater by a mouth of described digital signal processor.
3. the vehicle-mounted multifunctional device of high reliability according to claim 2, it is characterized in that, also comprise the second round signal and in described second round during blackout export second reset signal microcontroller to described digital video acquisition device of reception by the output of described digital video acquisition device; Described second round, signal was outputed to an input end of described microcontroller by a mouth of the digital signal processor of described video acquisition device; Described second reset signal is outputed to the reset signal input end of described digital signal processor by a mouth of described microcontroller.
4. the vehicle-mounted multifunctional device of high reliability according to claim 3, it is characterized in that, also comprise the period 3 signal that receives described microcontroller output and export the hardware reset unit of the 3rd reset signal during blackout to described microcontroller reset terminal in described period 3.
5. the vehicle-mounted multifunctional device of high reliability according to claim 4 is characterized in that, described digital video acquisition device is DVR, and described multimedia playing apparatus is the MP5 player.
6. the vehicle-mounted multifunctional device of high reliability according to claim 5 is characterized in that, also is included as the power supply of described vehicle-mounted multifunctional device each several part power supply, and described power supply comprises the mouth of a plurality of different output voltages, is respectively described each several part power supply.
7. the vehicle-mounted multifunctional device of high reliability according to claim 6, it is characterized in that, described power supply comprises the voltage transformer of changing voltage, described voltage transformer comprises a plurality of independent output primary, and described power supply is that the mouth of described digital video acquisition device power supply is connected with an independent transformer secondary output coil.
8. the vehicle-mounted multifunctional device of high reliability according to claim 7 is characterized in that, described digital video acquisition device also be used for that storage obtains and the memory cell of treated digital of digital video data is connected; Described memory cell is two and the SD flash card that connects.
9. the vehicle-mounted multifunctional device of high reliability according to claim 8, it is characterized in that, described multimedia playing apparatus also comprises the treater that is used for the play multimedia file, described multimedia playing apparatus also comprises the control panel that is used to control described multimedia playing apparatus, and described control panel is connected by the treater of bus with described multimedia control setup.
10. the vehicle-mounted multifunctional device of high reliability according to claim 9, it is characterized in that, also comprise the GPS navigation unit, described GPS navigation unit is by being connected with described digital video acquisition device with the GPS navigation reseting signal line of output GPS navigation reset signal when described GPS navigation periodic signal disappears to described GPS navigation unit to the GPS navigation periodic signal line of described digital video acquisition device by described GPS navigation unit output periodic signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201334707U CN202029788U (en) | 2011-04-29 | 2011-04-29 | High-reliability vehicle-mounted multifunctional device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011201334707U CN202029788U (en) | 2011-04-29 | 2011-04-29 | High-reliability vehicle-mounted multifunctional device |
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| CN202029788U true CN202029788U (en) | 2011-11-09 |
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| CN2011201334707U Expired - Fee Related CN202029788U (en) | 2011-04-29 | 2011-04-29 | High-reliability vehicle-mounted multifunctional device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422988A (en) * | 2017-07-01 | 2017-12-01 | 重庆长安汽车股份有限公司 | Vehicle mounted guidance and multimedia player memory space compatibility method and vehicle-mounted product |
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2011
- 2011-04-29 CN CN2011201334707U patent/CN202029788U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422988A (en) * | 2017-07-01 | 2017-12-01 | 重庆长安汽车股份有限公司 | Vehicle mounted guidance and multimedia player memory space compatibility method and vehicle-mounted product |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20180429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |