CN217320275U - Status indicator for vehicle-mounted device, vehicle-mounted device and vehicle - Google Patents
Status indicator for vehicle-mounted device, vehicle-mounted device and vehicle Download PDFInfo
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- CN217320275U CN217320275U CN202221377713.6U CN202221377713U CN217320275U CN 217320275 U CN217320275 U CN 217320275U CN 202221377713 U CN202221377713 U CN 202221377713U CN 217320275 U CN217320275 U CN 217320275U
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Abstract
The present disclosure relates to a status indicator for a vehicle-mounted device, and a vehicle, which can be applied to the field of automatic driving, the status indicator comprising: the device comprises a power state lamp driving circuit, a GPS state lamp driving circuit, a V2X state lamp driving circuit, a 5G state lamp driving circuit and a main control unit. One end of the power status lamp driving circuit is used for being connected with a system power supply, and the other end of the power status lamp driving circuit is grounded; the GPS state lamp driving circuit is used for being connected with the GPS unit and receiving a clock synchronization signal of the GPS unit; the first input end of the main control unit is used for connecting the V2X unit, the first output end of the main control unit is connected to the V2X state lamp driving circuit, and the main control unit is used for converting V2X data received from the V2X unit into a V2X state signal and outputting the signal; the second input end of the main control unit is used for connecting the 5G unit, the second output end of the main control unit is connected to the 5G state lamp driving circuit, and the main control unit is used for converting 5G data received from the 5G unit into 5G state signals to be output.
Description
Technical Field
The present disclosure relates to the field of vehicle technologies, and in particular, to a status indicator for an on-board device, and a vehicle.
Background
The vehicle-mounted equipment (V2X-OBU) based on the vehicle networking technology is key equipment for road intelligent upgrading in a vehicle networking scene, the V2X-OBU is used for data communication between a vehicle and a vehicle, between the vehicle and a road and between the vehicle and a cloud, information can be transmitted to the vehicle and the cloud in a 5G and V2X communication mode, massive information such as traffic signal lamps, traffic signs, parking positions and vehicle states can be timely transmitted, functions such as vehicle speed guiding, speed limit early warning and congestion reminding in the V2I (vehicle-road side infrastructure) scene are achieved, and services are provided for auxiliary driving, automatic driving and the like.
Whether each functional module of the vehicle-mounted equipment works normally or not is subjected to state indication, and the vehicle state indication method has important significance for timely knowing the vehicle state by a vehicle driver or a passenger.
SUMMERY OF THE UTILITY MODEL
In order to solve at least partially the following technical problems: the existing vehicle-mounted equipment has the functions of GPS positioning, V2X communication, 5G communication and the like, the existing V2X-OBU provides two states of power supply indication and system work indication, and a specific module with a fault in a GPS positioning unit, a V2X communication unit or a 5G communication unit in the vehicle-mounted equipment cannot be determined in the system work indication; the embodiment of the disclosure provides a status indicator of vehicle-mounted equipment, the vehicle-mounted equipment and a vehicle.
In a first aspect, embodiments of the present disclosure provide a status indicator for an in-vehicle device. The status indicator includes: the device comprises a power state lamp driving circuit, a GPS state lamp driving circuit, a V2X state lamp driving circuit, a 5G state lamp driving circuit and a main control unit. One end of the power status lamp driving circuit is used for being connected with a system power supply, and the other end of the power status lamp driving circuit is grounded; the GPS state lamp driving circuit is used for being connected with the GPS unit and receiving a clock synchronization signal of the GPS unit; the first input end of the main control unit is used for connecting a V2X unit, the first output end of the main control unit is connected to the V2X state lamp driving circuit, and the main control unit is used for converting V2X data received from the V2X unit into a V2X state signal; the V2X status lamp driving circuit receives the V2X status signal through the first output terminal; the second input end of the main control unit is used for connecting a 5G unit, the second output end of the main control unit is connected to the 5G state lamp driving circuit, and the main control unit is used for converting 5G data received from the 5G unit into a 5G state signal; the 5G state lamp driving circuit receives the 5G state signal through the second output terminal.
According to an embodiment of the present disclosure, the status indicator further comprises: a power management unit; the detection end of the power management unit is used for being connected with the system power supply, and the output end of the power management unit is connected with the first control input end of the main control unit; the output end of the power management unit is used for outputting a first enabling signal to the first control input end after the detection end detects that the system power supply works stably. The second control input end of the main control unit is used for receiving a second enabling signal, and the second enabling signal is a clock synchronization signal output by the GPS unit under the condition of normal positioning; the control output end of the main control unit is respectively connected to the respective work control ends of the V2X unit and the 5G unit, and the main control unit sends a work start control signal to the respective work control ends of the V2X unit and the 5G unit when receiving the first enable signal and the second enable signal at the same time.
According to an embodiment of the present disclosure, the GPS status light driving circuit includes: the GPS state lamp is connected with a first resistor and a first driving type switch circuit in series, and the control end of the first driving type switch circuit is connected with the GPS unit and is used for conducting on-off switching control based on a clock synchronization signal of the GPS unit; the power status lamp driving circuit includes: a power status light, a second resistor connected in series with the power status light.
According to an embodiment of the present disclosure, the clock synchronization signal is a 1PPS (pulse per second) signal.
According to an embodiment of the present disclosure, the status indicator further comprises: the lamp comprises a shell, a lamp body and a lamp cover, wherein a first-state lamp mounting hole is reserved on the shell; the power state lamp and the GPS state lamp are respectively one of two LED lamps which are independent from each other and are arranged in parallel in a first double-circuit integrated LED lamp, and the first double-circuit integrated LED lamp is used for being matched with the first state lamp mounting hole and being exposed outside the shell.
According to an embodiment of the present disclosure, the first driven type switching circuit includes: the collector of the first NPN type triode is connected with the GPS state lamp, the emitter of the first NPN type triode is grounded, the base of the first NPN type triode is connected with the GPS unit through a third resistor, and a fourth resistor is arranged between the base and the emitter of the first NPN type triode.
According to an embodiment of the present disclosure, the V2X status lamp driving circuit includes: the control end of the second driving type switch circuit is connected with the first output end of the main control unit, and on-off switching control is carried out based on the V2X state signal output by the main control unit.
According to an embodiment of the present disclosure, the 5G-state lamp driving circuit includes: the 5G state lamp, with the sixth resistance and the third drive formula switch circuit of this 5G state lamp series connection, the control end of this third drive formula switch circuit is connected through the second output of this main control unit to this 5G state signal based on this main control unit output carries out the on-off switching control.
According to an embodiment of the present disclosure, the status indicator further comprises: the shell is provided with a second-state lamp mounting hole in advance; the V2X status light and the 5G status light are respectively one LED light of two LED lights which are independent from each other and are arranged in parallel in a second double-circuit integrated LED light, and the second double-circuit integrated LED light is used for being matched with the second status light mounting hole and being exposed outside the shell.
According to an embodiment of the present disclosure, the second driven type switching circuit includes: a collector of the second NPN type triode is connected with the V2X status light, an emitter of the second NPN type triode is grounded, a base of the second NPN type triode is connected to the first output terminal of the main control unit via a seventh resistor, and a ninth resistor is arranged between the base and the emitter of the second NPN type triode; the third driving type switch circuit includes: and a collector of the third NPN triode is connected with the 5G state lamp, an emitter of the third NPN triode is grounded, a base of the third NPN triode is connected to the second output end of the main control unit through an eighth resistor, and a tenth resistor is arranged between the base and the emitter of the third NPN triode.
According to the embodiment of the disclosure, in the state that the V2X data is an abnormal operation signal, the V2X status signal is a low level signal, and the V2X status light is in an off state; in the state that the V2X data is normal operation signal and no data is transmitted, the V2X status signal is high level signal, and the V2X status light is illuminated; under the condition that the V2X data is a normal working signal and data is transmitted, the V2X status signal is a pulse signal with the frequency changing along with the data transmission quantity, and the V2X status lamp is in a flashing state and the flashing frequency changes along with the data transmission quantity.
According to the embodiment of the disclosure, in the state that the 5G data is an abnormal operation signal, the 5G status signal is a low level signal, and the 5G status lamp is in an off state; when the 5G data is a normal working signal and no data is transmitted, the 5G state signal is a high level signal, and the 5G state lamp is in an illuminating state; under the state that the 5G data is a normal working signal and has data transmission, the 5G state signal is a pulse signal with the frequency changing along with the data transmission quantity, and the 5G state lamp is in a flashing state and the flashing frequency changes along with the data transmission quantity.
In a second aspect, embodiments of the present disclosure provide an in-vehicle apparatus. The vehicle-mounted device includes: system power, GPS unit, V2X unit, 5G unit, and status indicators as described above; the system power supply is connected with a power supply status lamp driving circuit in the status indicator; the GPS unit is connected with a GPS status lamp driving circuit in the status indicator; the V2X unit is connected with the V2X status light driving circuit in the status indicator through a main control unit; the 5G unit is connected with a 5G status lamp driving circuit in the status indicator through a main control unit.
According to the embodiment of the disclosure, the system power supply, the GPS unit, the V2X unit, the 5G unit and the status indicator are assembled together in the same housing, and the housing serves as both the vehicle-mounted device and the status indicator.
In a third aspect, embodiments of the present disclosure provide a vehicle. The vehicle comprises a status indicator or an on-board device as described above.
Some technical solutions provided by the embodiments of the present disclosure have at least some or all of the following advantages:
by integrating the power status light driving circuit, the GPS status light driving circuit, the V2X status light driving circuit, the 5G status light driving circuit and the main control unit in the status indicator, and by connecting the GPS status light driving circuit with the GPS unit in the vehicle-mounted equipment, the GPS status light driving circuit can display the GPS status under the control of the clock synchronization signal output by the GPS unit; the V2X status lamp driving circuit is connected to the V2X unit through the main control unit, the 5G status lamp driving circuit is connected to the 5G unit through the main control unit, the V2X status lamp driving circuit can display the V2X status according to the V2X status signal output by the main control unit, the 5G status lamp driving circuit can display the 5G status according to the 5G status signal output by the main control unit, the independent display of the system power supply, the GPS status, the V2X status and the 5G status is integrally realized, the visual display can be timely performed under the condition that a certain or some function modules have faults, the fault location and the fault classification are convenient, the fault reason can be directly judged on site, and the development of the site maintenance work is facilitated.
Some technical solutions provided by the embodiments of the present disclosure have at least some or all of the following advantages:
by setting the power supply management unit and the circuit connection relationship between the power supply management unit and the GPS unit and the main control unit, the 5G unit and the V2X unit are not operated under the condition of unstable power supply, and the 5G unit and the V2X unit are not operated under the condition that the GPS unit does not realize positioning, so that the adverse effect on the traffic position signal judgment error caused by starting the vehicle under the condition that the current accurate position cannot be known is avoided.
Some technical solutions provided by the embodiments of the present disclosure have at least some or all of the following advantages:
by arranging the GPS state lamp, the third resistor, the fourth resistor and the first NPN triode, the third resistor can also protect a base electrode of the first NPN triode and a pin connected with the base electrode of the GPS unit and the first NPN triode while the GPS state lamp is displayed and controlled by a clock synchronization signal of the GPS unit, and meanwhile, the fourth resistor can also enable the first NPN triode to avoid misoperation caused by noise of the base electrode of the first NPN triode;
by arranging the V2X state lamp, the seventh resistor, the ninth resistor and the second NPN triode, the display control of the V2X state lamp by the V2X state signal is realized, meanwhile, the seventh resistor can also protect the base electrode of the second NPN triode and the first output end of the main control unit connected with the base electrode of the second NPN triode, and meanwhile, the ninth resistor can also enable the second NPN triode to avoid misoperation caused by noise of the base electrode of the second NPN triode;
through setting up 5G state lamp, eighth resistance, tenth resistance and third NPN triode, when realizing that 5G state lamp carries out display control by 5G state signal, the second output that the base of third NPN triode and main control unit and third NPN triode are connected can also be protected to the eighth resistance, and the tenth resistance can also make the third NPN triode avoid producing the malfunction because of its base noise simultaneously.
Some technical solutions provided by the embodiments of the present disclosure have at least some or all of the following advantages:
the power state lamp has two states of lighting and extinguishing, the GPS state lamp has two basic states of flashing and extinguishing, and the flashing frequency is used for representing the pulse width modulation information of the clock synchronization signal; the 5G status lamp and the V2X status lamp comprise three basic states of lighting, extinguishing and flickering, and are used for representing different status information of corresponding functional modules, and the flickering frequency is used for representing the size of data transmission quantity, so that a user can visually observe the respective states of the system power supply, the GPS unit, the V2X unit, the 5G unit and the like and accurately position faults through the four status lamps.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the related art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1A schematically illustrates a structural schematic view of a status indicator for an in-vehicle device according to an embodiment of the present disclosure;
FIG. 1B schematically illustrates a structural view of a status indicator for an in-vehicle device according to another embodiment of the present disclosure;
FIG. 2 schematically illustrates a structural view of a status indicator for an in-vehicle device according to yet another embodiment of the present disclosure;
FIG. 3 schematically illustrates a schematic diagram of a power state lamp driver circuit according to an embodiment of the disclosure;
FIG. 4 schematically illustrates a schematic diagram of a GPS state light driver circuit according to an embodiment of the disclosure;
fig. 5 schematically illustrates a structural schematic diagram of a V2X status lamp driving circuit according to an embodiment of the present disclosure;
fig. 6 schematically illustrates a structural schematic diagram of a 5G state lamp driving circuit of an embodiment of the present disclosure;
fig. 7A schematically illustrates a structural schematic diagram of a driving circuit including a first dual integrated LED lamp according to an embodiment of the present disclosure;
fig. 7B schematically illustrates a schematic structure diagram of a driving circuit including a second dual-integrated LED lamp according to an embodiment of the present disclosure; and
fig. 8 schematically shows a structural schematic diagram of the vehicle-mounted device of the embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some embodiments of the present disclosure, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
A first exemplary embodiment of the present disclosure provides a status indicator for an in-vehicle device.
FIG. 1A schematically illustrates a structural schematic view of a status indicator for an in-vehicle device according to an embodiment of the present disclosure; fig. 1B schematically shows a structural diagram of a status indicator for an in-vehicle device according to another embodiment of the present disclosure.
Referring to fig. 1A and 1B, a status indicator for an in-vehicle device according to an embodiment of the present disclosure includes: a power status light drive circuit 110, a GPS status light drive circuit 120, a V2X status light drive circuit 130, a 5G status light drive circuit 140, and a master control unit 150.
The power status lamp driving circuit 110 displays a status change of the power status lamp by the driving of the system power supply 211, thereby implementing an indication function of the system power status.
The GPS status light driving circuit 120 displays a status change of the GPS status light under the driving action of the GPS unit 212, thereby implementing an indication function of the GPS operating status.
The V2X status light driving circuit 130 displays the status change of the V2X status light under the driving action of the V2X unit 213, and realizes the indicating function of the operating status of the V2X.
The 5G state lamp driving circuit 140 displays the state change of the 5G state lamp under the driving action of the 5G unit 214, and realizes the indicating function of the 5G operating state.
In one embodiment, referring to FIG. 1A, the status indicator 100a is independent of the functional modules in the vehicle-mounted device, i.e., the status indicator 100a does not include the system power supply 211, the GPS unit 212, the V2X unit 213, and the 5G unit 214.
In another embodiment, referring to FIG. 1B, the status indicator 100B is integrated with the vehicle-mounted device, and the status indicator includes the various functional modules of the vehicle-mounted device, i.e., the status indicator 100B includes a system power supply 211, a GPS unit 212, a V2X unit 213, and a 5G unit 214.
Referring to fig. 1A and 1B, one end of the power status lamp driving circuit 110 is used for connecting with a system power supply 211, and the other end is grounded.
The GPS status light driving circuit 120 is configured to be connected to the GPS unit 212 and receive a clock synchronization signal of the GPS unit 212, which is exemplified by a clock synchronization 1PPS signal in the present embodiment.
Referring to fig. 1A and 1B, a USB interface is used as an example of the input terminal of the main control unit, a GPIO interface (general purpose input/output interface) is used as an example of the output terminal of the main control unit, and a first input terminal of the main control unit 150 is USB-connected 1 A first output terminal GPIO for connecting the V2X unit 213 1 Connected to the V2X status lamp driving circuit 130, the master unit is used to convert the V2X data received from the V2X unit 213 into a V2X status signal: V2X _ status. Correspondingly, the V2X status lamp driving circuit 130 passes through the first output terminal GPIO 1 The V2X state signal V2X _ status is received.
Referring to fig. 1A and 1B, the second input terminal USB of the main control unit 150 2 For connecting 5G unit 214, and a second output terminal GPIO 2 Connected to the 5G status light driving circuit 140, the main control unit 150 is configured to convert the 5G data received from the 5G unit 214 into a 5G status signal 5G _ status. Correspondingly, the 5G state lamp driving circuit 140 passes through the second output terminal GPIO 2 The 5G state signal 5G _ status is received.
By integrating the power status light driving circuit, the GPS status light driving circuit, the V2X status light driving circuit, the 5G status light driving circuit and the main control unit in the status indicator, and by connecting the GPS status light driving circuit with the GPS unit in the vehicle-mounted equipment, the GPS status light driving circuit can display the GPS status under the control of the clock synchronization signal output by the GPS unit; the V2X status lamp driving circuit is connected to the V2X unit through the main control unit, the 5G status lamp driving circuit is connected to the 5G unit through the main control unit, the V2X status lamp driving circuit can display the V2X status according to the V2X status signal output by the main control unit, the 5G status lamp driving circuit can display the 5G status according to the 5G status signal output by the main control unit, the independent display of the system power supply, the GPS status, the V2X status and the 5G status is integrally realized, the visual display can be timely performed under the condition that a certain or some function modules have faults, the fault location and the fault classification are convenient, the fault reason can be directly judged on site, and the development of the site maintenance work is facilitated.
According to the embodiment of the disclosure, in the state that the V2X data is an abnormal operation signal, the V2X status signal is a low level signal, and the V2X status light is in an off state; in the state that the V2X data is normal operation signal and no data is transmitted, the V2X status signal is high level signal, and the V2X status light is illuminated; under the condition that the V2X data is a normal working signal and data is transmitted, the V2X status signal is a pulse signal with the frequency changing along with the data transmission quantity, and the V2X status lamp is in a flashing state and the flashing frequency changes along with the data transmission quantity.
According to the embodiment of the disclosure, in the state that the 5G data is an abnormal operation signal, the 5G status signal is a low level signal, and the 5G status lamp is in an off state; when the 5G data is a normal working signal and no data is transmitted, the 5G state signal is a high level signal, and the 5G state lamp is in an illuminating state; under the state that the 5G data is a normal working signal and has data transmission, the 5G state signal is a pulse signal with the frequency changing along with the data transmission quantity, and the 5G state lamp is in a flashing state and the flashing frequency changes along with the data transmission quantity.
Fig. 2 schematically shows a structural diagram of a status indicator for an in-vehicle device according to still another embodiment of the present disclosure.
Based on the two embodiments, the status indicator may further include a power management unit, and in fig. 2, taking the example that the power management unit 160 is included in the status indicator 100a, it can be understood that the structure of the power management unit 160 included in the status indicator 100b is the same as that in the status indicator 100 a.
Reference toAs shown in fig. 2, the detection terminal Kc of the power management unit 160 is used for connecting with the system power 211, and the output terminal Ko of the power management unit 160 is connected to the first control input terminal K of the main control unit 150 in1 (ii) a The output terminal Ko of the power management unit 160 is used for outputting a first enable signal En after the detection terminal Kc detects that the system power supply works stably 1 To the first control input K in1 . A second control input terminal K of the main control unit 150 in2 For receiving a second enable signal En 2 The second enable signal En 2 A clock synchronization signal (for example, a 1PPS signal) output by the GPS unit 212 in the case of normal positioning; a control output terminal K of the main control unit 150 out Connected to respective operation control terminals of the V2X unit 213 and the 5G unit 214, respectively, and receiving the first enable signal En at the same time 1 And the second enable signal En 2 In this case, the main control unit 150 sends a control signal EN _ work for starting the operation to the respective operation control terminals of the V2X unit 213 and the 5G unit 214.
By setting the power management unit and the circuit connection relationship between the power management unit and the GPS unit as well as the main control unit, the 5G unit and the V2X unit are not operated under the condition of unstable power supply, and the 5G unit and the V2X unit are not operated under the condition of positioning not realized by the GPS unit, so that the adverse effect of wrong judgment on traffic position signals caused by starting the vehicle under the condition that the current accurate position cannot be known is avoided. That is, by simultaneously inputting based on the first and second enable signals, in case that the system power is stabilized and the GPS normally outputs a 1pps signal, the 5G cell and the V2X cell can normally operate, and the corresponding 5G state signal and the V2X state signal are valid.
Fig. 3 schematically shows a schematic structure diagram of a power state lamp driving circuit according to an embodiment of the present disclosure.
In one embodiment, referring to fig. 3, the power status lamp driving circuit 110 includes: power status light LED a A second resistor R connected in series with the power status lamp 2 。
System power VCC connectorConnected with a current limiting resistor R 2 Rear connection power status lamp LED a Anode, power status light LED a The negative pole of the power supply is connected with a digital ground, and when a system power supply VCC is normal, the power supply status lamp is normally on; when the system power supply fails, the power supply status lamp is in a power-off state or other abnormal states, and the status indication of the system power supply is realized.
In one embodiment, R 2 Is 1k omega.
Fig. 4 schematically illustrates a structural schematic diagram of a GPS status lamp driving circuit according to an embodiment of the disclosure.
In one embodiment, referring to fig. 4, the GPS status light driver circuit 120 includes: GPS status light LED b A first resistor R connected in series with the GPS status light 1 And a first driving type switch circuit 410, a control end of which is used for connecting with the GPS unit 212 and performing on-off switching control based on a clock synchronization signal of the GPS unit, wherein the clock synchronization signal is 1PPS (pulse per second) signal as an example.
Referring to fig. 4, the first actuated switch circuit 410 includes: first NPN type triode Q 1 A collector c of the first NPN type triode 1 And the GPS status light LED b Connected to the emitter e of the first NPN transistor 1 Ground, the base b of the first NPN type triode 1 Via a third resistor R 3 A base electrode b of the first NPN type triode connected with the GPS unit 212 1 And an emitter e 1 A fourth resistor R is arranged between 4 。
The 1PPS signal in the clock synchronization signal provided by the GPS unit (function module for positioning) is used as a GPS status light LED b When the GPS is normally positioned, the 1PPS outputs a pulse width modulation wave (PWM wave) with the period of 1Hz to ensure that the GPS state lamp LED b In a blinking state. When the GPS unit is abnormally positioned, the 1PPS is at a low level, so that the GPS state lamp LED b Is in a extinguished state.
In the GPS status light driving circuit 120, the GPS status light, the third resistor, the fourth resistor, and the first NPN transistor are provided to realize GThe PS state lamp is controlled by the clock synchronous signal of the GPS unit, and the third resistor R 3 Also can protect the first NPN triode Q 1 The base electrode of the GPS unit and a pin connected with the base electrode of the first NPN triode; q 1 Through a fourth resistor R 4 To the emitter, R 4 Can make Q 1 Avoiding the malfunction caused by the base noise. Q 1 The collector is connected with the GPS status light LED b Negative pole of (2), GPS status light LED b The positive electrode of the capacitor passes through a current limiting resistor R 1 Is connected to VCC. When the 1PPS signal of the GPS unit is high, Q 1 On, GPS status light LED b Bright; when the 1PPS signal of the GPS unit is low, Q 1 LED of stop and GPS state lamp b Extinguishing; when the GPS normally positions the 1PPS, the output period of the pulse width modulation wave (high-low level staggered time sequence signal) is 1Hz, and the LED corresponds to the GPS state lamp b It is in a flashing state.
In an embodiment, the first NPN transistor has a model number S8050, R 1 Has a resistance value of 1k omega, R 3 Has a resistance value of 1k omega, R 4 Is 10k omega.
Fig. 5 schematically shows a structural schematic diagram of a V2X status lamp driving circuit according to an embodiment of the present disclosure.
In one embodiment, referring to fig. 5, the V2X status lamp driving circuit 130 includes: V2X status light LED c A fifth resistor R connected in series with the V2X status light 5 And a second driving type switch circuit 510, a control end of which is connected with the first output end GPIO of the main control unit 150 1 And performing on-off switching control based on the V2X state signal V2X _ status output by the main control unit.
According to an embodiment of the present disclosure, referring to fig. 5, the second actuated switch circuit 510 includes: second NPN type triode Q 2 The second NPN type triode Q 2 Collector electrode c of 2 The V2X status light LED c Connected to the emitter e of the second NPN transistor 2 Ground, the base b of the second NPN type triode 2 Via a seventh resistor R 7 Is connected to the master controlFirst output terminal GPIO of unit 1 A base b of the second NPN type triode 2 And an emitter e 2 A ninth resistor R is arranged between 9 。
In one embodiment, the main control unit adopts an IMX8 chip, and after the V2X unit works abnormally, the main control IMX8GPIO 1 Pin-driven V2X _ status signal output Low, V2X status light LED c And (6) extinguishing. V2X _ status signal driven by the GPIO pin of the Master IMX8 outputs a high, V2X status light LED when V2X is working properly and no data is being transmitted c When V2X has data transmission, different frequency pulse signals (high-low level staggered time sequence signals) are output according to the data volume, the pulse frequency is higher when the data volume is larger, and the V2X state lamp LED c The faster the flicker.
Through setting up V2X state lamp, seventh resistance, ninth resistance and second NPN triode, when realizing that V2X state lamp carries out display control by V2X state signal, seventh resistance can also protect second NPN triode Q 2 The base and the first output end of the main control unit and the base of the second NPN triode are connected, and meanwhile, the ninth resistor can also enable the second NPN triode to avoid misoperation caused by base noise. Q 2 Collector connected V2X status lamp LED c V2X status light LED c The positive electrode of the capacitor passes through a current limiting resistor R 6 Is connected to VCC. When the V2X _ status signal is high, Q 2 LED (light emitting diode) of on-state V2X state lamp c Bright; when the V2X _ status signal is low, Q 2 Off, V2X status light LED c And (6) extinguishing.
In an embodiment, the specific model of the second NPN transistor is S8050, R 5 Has a resistance value of 1k omega, R 7 Has a resistance value of 1k omega, R 9 Is 10k omega.
Fig. 6 schematically shows a structural schematic diagram of a 5G state lamp driving circuit according to an embodiment of the present disclosure.
In one embodiment, referring to fig. 6, the 5G state lamp driving circuit 140 includes: 5G status light LED d A sixth resistor R connected in series with the 5G state lamp 6 And a third actuated switch circuit 610, the third actuated switch circuitThe control terminal of the three-drive switch circuit passes through the second output terminal GPIO of the main control unit 150 2 And connecting and performing on-off switching control based on the 5G state signal 5G _ status output by the main control unit.
According to an embodiment of the present disclosure, referring to fig. 5, the third driven type switch circuit 610 includes: third NPN type triode Q 3 Collector c of the third NPN transistor 3 And the 5G state lamp LED d Connecting the emitter e of the third NPN type triode 3 Ground, the base b of the third NPN type triode 3 Via an eighth resistor R 8 A second output terminal GPIO connected to the main control unit 2 A base b of the third NPN type triode 3 And an emitter e 3 A tenth resistor R is arranged between 10 。
In one embodiment, the main control unit adopts an IMX8 chip, and when the 5G unit works abnormally, the main control IMX8GPIO 2 Pin-driven 5G _ status signal output low-level, 5G status lamp LED d And (6) extinguishing. When 5G works normally and no data is transmitted, the GPIO of IMX8 is controlled by the master controller 2 Pin-driven 5G _ status signal output high-level, 5G status lamp LED d And (4) bright. When 5G has data transmission, pulse signals (high-low level staggered time sequence signals) with different frequencies are output according to the data volume, the pulse frequency is higher when the data volume is larger, and the 5G state lamp LED d The faster the flicker.
Through setting up 5G state lamp, eighth resistance, tenth resistance and third NPN triode, when realizing that 5G state lamp carries out display control by 5G state signal, eighth resistance can also protect third NPN triode Q 3 And the tenth resistor can also enable the third NPN triode to avoid false operation caused by base noise of the third NPN triode. Q 3 5G state lamp LED with connected collector d Negative pole of (5G) status lamp LED d The positive electrode of (2) passes through a current limiting resistor R 6 Is connected to VCC. When the 5G _ status signal is high, Q 3 On, 5G state lamp LED d Bright; when the 5G _ SATUS signal is low, Q 3 Cut-off, 5G status lamp LED d And (6) extinguishing.
In an embodiment, the third NPN transistor has a model number S8050, R 6 Has a resistance value of 1k omega, R 8 Has a resistance value of 1k omega, R 10 Is 10k omega.
Fig. 7A schematically illustrates a structural schematic diagram of a driving circuit including a first dual-integrated LED lamp according to an embodiment of the present disclosure.
According to an embodiment of the present disclosure, the status indicator further comprises: the lamp comprises a shell, wherein a first-state lamp mounting hole is reserved on the shell. Referring to fig. 7A, the power status light and the GPS status light are respectively one of two LED lights that are independent from each other and are arranged in parallel in a first dual integrated LED light LED1, and the first dual integrated LED light LED1 is configured to match with the first status light mounting hole and is exposed to the outside of the housing.
Fig. 7B schematically illustrates a structural schematic diagram of a driving circuit including a second dual-integrated LED lamp according to an embodiment of the present disclosure.
According to an embodiment of the present disclosure, the status indicator further comprises: and the shell is reserved with a second-state lamp mounting hole. Referring to fig. 7B, the V2X status light and the 5G status light are respectively one LED light of two LED lights that are independent from each other and are arranged in parallel in the second dual integrated LED light LED2, and the second dual integrated LED light LED2 is configured to match with the second status light mounting hole and is exposed to the outside of the housing.
2 totally independent LED lamp pearls have integrateed on LED1 and the LED2, LED lamp pearl is as power status indicator all the way in the LED1, another way lamp pearl is as GPS status indicator, LED lamp pearl is as 5G status indicator all the way in the LED2, another way is as V2X status indicator, use the lamp of this kind of two-way LED encapsulation type of cutting straightly of LED1 and LED2 can make things convenient for structural design, be convenient for carry out the trompil design for the pilot lamp on the casing.
A second exemplary embodiment of the present disclosure provides an in-vehicle apparatus.
Fig. 8 schematically shows a structural schematic diagram of the vehicle-mounted device of the embodiment of the present disclosure.
Referring to fig. 8, an in-vehicle device 800 provided in an embodiment of the present disclosure includes: status indicators 100a or 100b as described above. In the case where the status indicator 100a is included, the in-vehicle apparatus 800 further includes: system power supply 211, GPS unit 212, V2X unit 213, 5G unit 214; in the case where the status indicator 100b is included, the status indicator 100b is integrated in the in-vehicle apparatus 800.
Wherein, the system power supply 211 is connected with the power status lamp driving circuit 110 in the status indicator; the GPS unit 212 is connected to the GPS status light driver circuit 120 in the status indicator; the V2X unit 213 and the V2X status light driving circuit 130 in the status indicator are connected via the main control unit 150; the 5G unit 214 is connected to the 5G status light driving circuit 140 in the status indicator via the main control unit 150.
According to the embodiment of the present disclosure, the status indicator 100b is integrated in the in-vehicle device 800, the system power supply, the GPS unit, the V2X unit, the 5G unit, and the status indicator are collectively assembled in the same housing, and the housing serves as both the in-vehicle device and the status indicator.
A third exemplary embodiment of the present disclosure provides a vehicle. The vehicle comprises a status indicator or an on-board device as described above.
The vehicle may be an autonomous vehicle, which is a vehicle that supports autonomous functionality, or a conventional vehicle.
In summary, according to the status indicator for the vehicle-mounted device, the vehicle-mounted device and the vehicle provided by the embodiment of the disclosure, by integrating the power status light driving circuit, the GPS status light driving circuit, the V2X status light driving circuit, the 5G status light driving circuit and the main control unit in the status indicator, by connecting the GPS status light driving circuit with the GPS unit in the vehicle-mounted device, the GPS status light driving circuit can display the GPS status under the control of the clock synchronization signal output by the GPS unit; the V2X state lamp driving circuit is connected with the V2X unit through the main control unit, the 5G state lamp driving circuit is connected with the 5G unit through the main control unit, the V2X state lamp driving circuit can display the V2X state according to the V2X state signal output by the main control unit, the 5G state lamp driving circuit can display the 5G state according to the 5G state signal output by the main control unit, the system power supply, the GPS state, the V2X state and the 5G state are independently displayed on the whole, visual display can be timely performed under the condition that a certain or some functional modules have faults, fault location and fault classification are facilitated, the direct fault reason judgment on site is facilitated, and the development of site maintenance work is facilitated.
The various embodiments mentioned in this disclosure can be combined with each other into new embodiments. Any number of the units or modules mentioned in this embodiment may be combined into one module to be implemented, or any one of the units or modules may be split into a plurality of modules. Alternatively, at least part of the functionality of one or more of these units or modules may be combined with at least part of the functionality of other units or modules and implemented in one unit or module. At least one of the various units or modules may be implemented at least partially as a hardware circuit, such as a Field Programmable Gate Array (FPGA), a Programmable Logic Array (PLA), a system on a chip, a system on a substrate, a system on a package, an Application Specific Integrated Circuit (ASIC), or in hardware or firmware, or in a combination of software and hardware, or a combination of software and firmware, or any other reasonable manner of integrating or packaging a circuit.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The previous description is only for the purpose of describing particular embodiments of the present disclosure, so as to enable those skilled in the art to understand or implement the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. A status indicator for an in-vehicle device, comprising: the device comprises a power state lamp driving circuit, a GPS state lamp driving circuit, a V2X state lamp driving circuit, a 5G state lamp driving circuit and a main control unit;
one end of the power status lamp driving circuit is used for being connected with a system power supply, and the other end of the power status lamp driving circuit is grounded;
the GPS state lamp driving circuit is used for being connected with a GPS unit and receiving a clock synchronization signal of the GPS unit;
the first input end of the master control unit is used for connecting a V2X unit, the first output end of the master control unit is connected to the V2X state lamp driving circuit, and the master control unit is used for converting V2X data received from the V2X unit into a V2X state signal; the V2X state lamp driving circuit receives the V2X state signal through the first output terminal;
the second input end of the main control unit is used for connecting a 5G unit, the second output end of the main control unit is connected to the 5G state lamp driving circuit, and the main control unit is used for converting 5G data received from the 5G unit into 5G state signals; the 5G state lamp driving circuit receives the 5G state signal through the second output terminal.
2. The status indicator of claim 1, further comprising: a power management unit;
the detection end of the power management unit is used for being connected with the system power supply, and the output end of the power management unit is connected with the first control input end of the main control unit; the output end of the power supply management unit is used for outputting a first enabling signal to the first control input end after the detection end detects that the system power supply works stably;
a second control input end of the main control unit is used for receiving a second enabling signal, and the second enabling signal is a clock synchronization signal output by the GPS unit under the condition of normal positioning;
and the control output end of the main control unit is respectively connected to the respective work control ends of the V2X unit and the 5G unit, and the main control unit sends a work starting control signal to the respective work control ends of the V2X unit and the 5G unit under the condition of simultaneously receiving the first enabling signal and the second enabling signal.
3. The status indicator of claim 1,
the GPS status light driving circuit includes: the GPS state lamp is connected with a first resistor and a first driving type switch circuit in series, and the control end of the first driving type switch circuit is used for being connected with the GPS unit and carrying out on-off switching control based on a clock synchronization signal of the GPS unit;
the power status lamp driving circuit includes: a power status light, a second resistor connected in series with the power status light.
4. The status indicator of claim 3, further comprising: the lamp holder comprises a shell, wherein a first-state lamp mounting hole is reserved on the shell;
the power state lamp and the GPS state lamp are respectively one of two LED lamps which are mutually independent and arranged in parallel in a first double-circuit integrated LED lamp, and the first double-circuit integrated LED lamp is used for being matched with the first state lamp mounting hole and being exposed outside the shell.
5. The status indicator of claim 3, wherein the first actuated switch circuit comprises: the collector of the first NPN type triode is connected with the GPS state lamp, the emitter of the first NPN type triode is grounded, the base of the first NPN type triode is connected with the GPS unit through a third resistor, and a fourth resistor is arranged between the base and the emitter of the first NPN type triode.
6. The status indicator of claim 1, 3 or 4,
the V2X status lamp driving circuit comprises: the V2X state lamp, with V2X state lamp series connection's fifth resistance and second drive formula switch circuit, the control end of second drive formula switch circuit with the first output of main control unit is connected, and on-off switching control is carried out based on the main control unit output V2X state signal.
7. The status indicator of claim 6,
the 5G state lamp driving circuit includes: the 5G state lamp, with the sixth resistance and the third drive formula switch circuit of 5G state lamp series connection, the control end of third drive formula switch circuit is connected through the second output of main control unit to on-off switching control is carried out based on the 5G state signal of main control unit output.
8. The status indicator of claim 7, further comprising: the shell is provided with a second-state lamp mounting hole in advance;
the V2X status light and the 5G status light are respectively one of two LED lights which are independent from each other and are arranged in parallel in a second double-circuit integrated LED light, and the second double-circuit integrated LED light is used for being matched with the second status light mounting hole and being exposed outside the shell.
9. The status indicator of claim 7,
the second driven type switch circuit includes: a collector of the second NPN triode is connected with the V2X status light, an emitter of the second NPN triode is grounded, a base of the second NPN triode is connected to the first output terminal of the main control unit via a seventh resistor, and a ninth resistor is disposed between the base and the emitter of the second NPN triode;
the third driving type switch circuit includes: a collector of the third NPN type triode is connected with the 5G status light, an emitter of the third NPN type triode is grounded, a base of the third NPN type triode is connected to the second output terminal of the main control unit through an eighth resistor, and a tenth resistor is arranged between the base and the emitter of the third NPN type triode.
10. The status indicator of claim 7,
when the V2X data is an abnormal working signal, the V2X status signal is a low level signal, and the V2X status lamp is in an off state; in the state that the V2X data is a normal working signal and no data is transmitted, the V2X state signal is a high level signal, and the V2X state lamp is in an illuminated state; under the condition that the V2X data is a normal working signal and data is transmitted, the V2X status signal is a pulse signal with the frequency changing along with the data transmission quantity, and the V2X status lamp is in a flashing state and the flashing frequency changes along with the data transmission quantity;
when the 5G data is an abnormal working signal, the 5G state signal is a low level signal, and the 5G state lamp is in an off state; when the 5G data is a normal working signal and no data is transmitted, the 5G state signal is a high level signal, and the 5G state lamp is in an illuminating state; and under the condition that the 5G data is a normal working signal and has data transmission, the 5G state signal is a pulse signal with the frequency changing along with the data transmission quantity, and the 5G state lamp is in a flashing state, and the flashing frequency changes along with the data transmission quantity.
11. An in-vehicle apparatus, characterized by comprising: a system power supply, a GPS unit, a V2X unit, a 5G unit, and the status indicator of any one of claims 1-10;
the system power supply is connected with a power supply status lamp driving circuit in the status indicator;
the GPS unit is connected with a GPS state lamp driving circuit in the state indicator;
the V2X cell is connected with a V2X status light drive circuit in the status indicator via a master control unit;
the 5G unit is connected with a 5G status lamp driving circuit in the status indicator through a main control unit.
12. The in-vehicle apparatus according to claim 11,
the system power supply, the GPS unit, the V2X unit, the 5G unit and the status indicator are assembled in the same shell, and the shell is used as the shell of the vehicle-mounted equipment and the status indicator at the same time.
13. A vehicle comprising a status indicator according to any one of claims 1-10 or an on-board unit according to claim 11 or 12.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221377713.6U CN217320275U (en) | 2022-06-01 | 2022-06-01 | Status indicator for vehicle-mounted device, vehicle-mounted device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221377713.6U CN217320275U (en) | 2022-06-01 | 2022-06-01 | Status indicator for vehicle-mounted device, vehicle-mounted device and vehicle |
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| CN217320275U true CN217320275U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221377713.6U Active CN217320275U (en) | 2022-06-01 | 2022-06-01 | Status indicator for vehicle-mounted device, vehicle-mounted device and vehicle |
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