TWI773547B - Speed measuring device sensing system and control method thereof - Google Patents

Abstract

A speed measuring device sensing system includes a speed measuring device sensor, a vehicle electronic device and a control device. When receiving power from a power supply system, the vehicle electronic device executes a booting procedure to enter an operating state, and in the operating state, wirelessly transmits a booting command to the control device. In a standby state, the control device does not supply power to the speed measuring device sensor, and when the control device receives the power-on command, the control device enters an operating state from the standby state. In the operating state, the control device supplies power to the speed measuring device sensor.

Description

Speed measuring device sensing system and control method thereof

The present invention relates to a vehicle system, in particular to a speed measuring device sensing system. The present invention also relates to a control method of the sensing system of the speed measuring device.

In the past, radar detectors or laser receivers used for sensing speed measurement devices use the charging pulse generated when the vehicle is started as a signal to turn on the power supply, and shut down when the pulse signal disappears.

However, with the advancement of automotive power systems, most vehicle types have minimized or even no pulses (eg, electric vehicles). Therefore, how to develop a new sensing system of the speed measuring device, which can be automatically and properly opened and closed, is the further subject of the present invention.

Therefore, the purpose of the present invention is to provide a speed measuring device sensing system.

Another object of the present invention is to provide a control method of a speed measuring device sensing system.

Therefore, the speed measuring device sensing system of the present invention is suitable for being electrically connected to a power supply system of a vehicle, the power supply system includes a battery and a generator, and the speed measuring device sensing system includes a speed measuring device sensor, a A vehicle electronic device and a control device.

The speed measuring device sensor is suitable for being installed on the front of the vehicle and used for sensing a speed measuring device.

The vehicle electronic device is suitable for being installed in a compartment space defined by the vehicle, and includes a voltage conversion unit, a wireless communication unit, and a processing unit electrically connected to the voltage conversion unit and the wireless communication unit , the voltage conversion unit is electrically connected to the power supply system of the vehicle, and converts the voltage of the power provided by the power supply system into a voltage usable by the processing unit.

The control device is suitable for being installed in an engine room space defined by the vehicle, and includes a voltage conversion module, a wireless communication module, a power control module, and a voltage conversion module electrically connected to the voltage conversion module, The wireless communication module and the processing module of the power control module, the voltage conversion module is electrically connected to the battery of the power supply system of the vehicle, and converts the voltage of the power provided by the battery into the energy of the processing module. The voltage used, the wireless communication module is electrically connected to the wireless communication unit of the vehicle electronic device in a wireless manner, the power control module is electrically connected to the sensor of the speed measurement device, and used to supply power to the sensor of the speed measurement device. tester.

When receiving power from the power supply system, the processing unit of the vehicle electronic device executes a booting procedure and enters an operating state. In the operating state, the processing unit transmits a power-on command to the control device via the wireless communication unit.

In a standby state, the processing module of the control device does not supply power to the speed measuring device sensor through the power control module, and when the processing module of the control device receives the power-on command through the wireless communication module , the processing module of the control device enters an operating state from the standby state.

In the operating state, the processing module of the control device supplies power to the speed measuring device sensor through the power control module.

In some implementations, when the processing module of the control device receives the power-on command via the wireless communication module, the processing module of the control device also returns an acknowledgement notification to the vehicle electronic device.

In the operating state, when the processing unit of the vehicle electronic device receives the acknowledgement notification via the wireless communication unit, the processing unit continues to send a continuing operation command to the control device via the wireless communication unit.

In the operating state, the processing module of the control device determines whether the continuing operation command has not been received for a predetermined period of time.

When the processing module of the control device determines that the continuing operation command has not been received for the predetermined time, the processing module enters the standby state.

In some embodiments, the vehicle electronic device further includes a prompt unit electrically connected to the processing unit.

When the speed measuring device sensor senses the speed measuring device, a warning notification is sent to the processing module of the control device.

When the processing module of the control device receives the warning notification from the sensor of the speed measuring device, the processing module transmits the warning notification to the vehicle electronic device via the wireless communication module.

When the processing unit of the vehicle electronic device receives the warning notification via the wireless communication unit, the processing unit outputs a warning signal via the prompting unit.

In some implementations, the wireless communication unit communicates with the wireless communication by radio frequency.

The control method of the speed measuring device sensing system of the present invention is implemented by a speed measuring device sensing system, the speed measuring device sensing system is suitable for being electrically connected to a power supply system of a vehicle, and the power supply system includes a battery and a generator, The speed measuring device sensing system includes a speed measuring device sensor, a vehicle electronic device and a control device, the speed measuring device sensor is suitable for being installed on the front of the vehicle, and is used for sensing a speed measuring device, The vehicle electronic device is suitable for being installed in a compartment space defined by the vehicle, and includes a voltage conversion unit, a wireless communication unit, and a processing unit electrically connected to the voltage conversion unit and the wireless communication unit , the voltage conversion unit is electrically connected to the power supply system of the vehicle, and converts the voltage of the power provided by the power supply system into a voltage usable by the processing unit, and the control device is suitable for being installed in an engine defined by the vehicle The indoor space includes a voltage conversion module, a wireless communication module, a power control module, and a processing module electrically connected to the voltage conversion module, the wireless communication module and the power control module , the voltage conversion module is electrically connected to the battery of the power supply system of the vehicle, and converts the voltage of the power provided by the battery into a voltage that can be used by the processing module, and the wireless communication module is electrically connected in a wireless manner In the wireless communication unit of the vehicle electronic device, the power control module is electrically connected to the speed measuring device sensor, and is used to supply power to the speed measuring device sensor, and the method includes: when receiving power from the power system , the processing unit of the vehicle electronic device executes a booting procedure and enters an operating state. In the operating state, the processing unit sends a boot command to the control device via the wireless communication unit; in a standby state, the control device The processing module does not supply power to the speed measuring device sensor through the power control module, and when the processing module of the control device receives the power-on command through the wireless communication module, the processing module of the control device The group enters an operating state from the standby state; and in the operating state, the processing module of the control device supplies power to the sensor of the speed measuring device through the power control module.

The effect of the present invention is: the vehicle electronic device transmits the power-on command to the control device in the operating state, and when the control device receives the power-on command, it enters the operating state from the standby state and supplies power to the speed measurement device sensor, so as to realize the automatic activation of the speed measuring device sensor, and furthermore, by entering the standby state when the control device determines that the continuous operation command has not been received for the predetermined time, so as to realize the automatic closing of the speed measuring device device sensor.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated by the same reference numerals.

Referring to FIGS. 1 and 2 , an embodiment of the speed measuring device sensing system of the present invention is suitable for being electrically connected to a power supply system 210 of a vehicle 200 . The power supply system 210 includes a battery 211 and a generator 212 . The speed measuring device sensing system includes a speed measuring device sensor 1 , a vehicle electronic device 2 and a control device 3 .

The speed measuring device sensor 1 is suitable for being installed on the front of the vehicle 200 and is exposed at the front of the vehicle, and is used for sensing a speed measuring device. The speed measuring device sensor 1 sends a warning notification to the processing module 34 of the control device 3 when sensing the speed measuring device. The speed measuring device sensor 1 is, for example, a radar detector or a laser receiver.

The vehicle electronic device 2 is suitable for being installed in a compartment space defined by the vehicle 200, and includes a voltage conversion unit 21, a wireless communication unit 22, a prompt unit 23, and a voltage conversion unit electrically connected to the voltage conversion unit 23. unit 21 , the wireless communication unit 22 and the processing unit 24 of the prompting unit 23 .

The voltage conversion unit 21 is electrically connected to the power supply system 210 of the vehicle 200 , and converts the voltage of the power provided by the power supply system 210 into a voltage usable by the processing unit 24 . The wireless communication unit 22 is, for example, a radio frequency communication unit, and the operating frequency is in the license-exempt ISM frequency band, ranging from 300KHz to 30GHz. The prompt unit 23 includes, for example, a display module and a speaker module. The vehicle electronic device 2 is, for example, a driving recorder, but not limited thereto.

The control device 3 is suitable for being installed in an engine room space defined by the vehicle 200, and includes a voltage conversion module 31, a wireless communication module 32, a power control module 33, and an electrical connection to the The voltage conversion module 31 , the wireless communication module 32 and the processing module 34 of the power control module 33 .

The voltage conversion module 31 is electrically connected to the battery 211 of the power supply system 210 of the vehicle 200 , and converts the voltage of the power provided by the battery 211 into a voltage usable by the processing module 34 .

The wireless communication module 32 is electrically connected to the wireless communication unit 22 of the vehicle electronic device 2 in a wireless manner. The wireless communication module 32 is, for example, a radio frequency communication module, and the operating frequency is in the license-exempt ISM frequency band, ranging from 300KHz to 30GHz. The wireless communication unit 22 communicates with the wireless communication by radio frequency.

The power control module 33 is electrically connected to the speed measuring device sensor 1 and is used for supplying power to the speed measuring device sensor 1 .

Referring to FIG. 1 and FIG. 2 , the steps performed by the vehicle electronic device 2 in an operating state are described below. When the vehicle electronic device 2 is not powered by the power supply system 210 , it is in a shutdown state or a standby state (standby with the power provided by its own battery). When receiving power from the power supply system 210 , the processing unit 24 of the vehicle electronic device 2 executes a boot procedure to enter the operating state. First, as shown in step S01 , in the operating state, the processing unit 24 sends a power-on command to the control device 3 via the wireless communication unit 22 .

Next, as shown in step S02, the processing unit 24 of the vehicle electronic device 2 determines whether an acknowledgment notification is received via the wireless communication unit 22, if not, execute step S01 again, if yes, then execute step S03 .

Step S03 is when the processing unit 24 of the vehicle electronic device 2 receives the acknowledgment notification via the wireless communication unit 22 , the processing unit 24 continues to send a continuing operation command to the control device 3 via the wireless communication unit 22 .

Next, as shown in step S04, the processing unit 24 of the vehicle electronic device 2 determines whether a warning notification is received via the wireless communication unit 22, if not, executes step S04 again, if yes, executes step S05.

Step S05 is when the processing unit 24 of the vehicle electronic device 2 receives the warning notification via the wireless communication unit 22 , the processing unit 24 outputs a warning signal via the prompting unit 23 .

Referring to FIG. 1 and FIG. 3 , the steps performed by the control device 3 in a standby state and an operating state are described below. In the standby state, the processing module 34 of the control device 3 does not supply power to the speed measuring device sensor 1 through the power control module 33, and as shown in step S11, the processing module 34 of the control device 3 It is judged whether the power-on command is received through the wireless communication module 32 , if not, step S11 is performed again, if yes, step S12 is performed and the operation state is entered.

Step S12 is when the processing module 34 of the control device 3 receives the boot command via the wireless communication module 32 , and when the processing module 34 of the control device 3 receives the boot command via the wireless communication module 32 , the processing module 34 of the control device 3 returns the acknowledgement notification to the vehicle electronic device 2 .

Next, in the operating state, as shown in step S13 , the processing module 34 of the control device 3 supplies power to the speed measuring device sensor 1 via the power control module 33 .

Next, in the operating state, as shown in step S14, the processing module 34 of the control device 3 determines whether the continuing operation command has not been received for a predetermined period of time. When the processing module 34 of the control device 3 determines that the continuing operation command has not been received for the predetermined time, the processing module 34 enters the standby state, and executes step S11 again. If it is determined to be no, then step S15 is executed.

Step S15 is the processing module 34 of the control device 3 judging whether the warning notification from the speed measuring device sensor 1 is received, if not, execute step S14 again, if yes, execute step S16.

Step S16 is when the processing module 34 of the control device 3 receives the warning notification from the speed measuring device sensor 1 , the processing module 34 transmits the warning notification to the vehicle electronics via the wireless communication module 32 device 2. After step S16 is performed, step S14 is performed again.

To sum up, the speed measuring device sensing system of the present invention transmits the power-on command to the control device 3 through the vehicle electronic device 2 in the operating state, and when the control device 3 receives the power-on command, it is switched from the standby state Enter the operating state and supply power to the speed measuring device sensor 1, so as to realize the automatic activation of the speed measuring device sensor 1. Furthermore, when the control device 3 determines that the continuous operation command has not been received for the predetermined time When entering the standby state, the sensor 1 of the speed measuring device can be automatically turned off, so the purpose of the present invention can be achieved.

However, the above are only examples of the present invention, and should not limit the scope of implementation of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the patent specification are still included in the scope of the present invention. within the scope of the invention patent.

1: Speed measuring device sensor 2: Automotive electronic devices 21: Voltage conversion unit 22: Wireless communication unit 23: Cue Unit 24: Processing unit 3: Control device 31: Voltage conversion module 32: Wireless communication module 33: Power control module 34: Processing modules 200: Vehicle 210: Power System 211: Battery 212: Generator S01~S05: Steps S11~S16: Steps

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: 1 is a schematic diagram of a hardware connection relationship of an embodiment of the speed measuring device sensing system of the present invention; FIG. 2 is a flow chart of the embodiment, illustrating the steps performed by a vehicle electronic device of the speed measuring device sensing system; and FIG. 3 is another flow chart of the embodiment, illustrating the steps performed by a control device of the speed measuring device sensing system.

1: Speed measuring device sensor

2: Automotive electronic devices

21: Voltage conversion unit

22: Wireless communication unit

23: Cue Unit

24: Processing unit

3: Control device

31: Voltage conversion module

32: Wireless communication module

33: Power control module

34: Processing modules

200: Vehicle

210: Power System

211: Battery

212: Generator

Claims (8)

A speed measuring device sensing system, suitable for being electrically connected to a power supply system of a vehicle, the power supply system comprising a battery and a generator, the speed measuring device sensing system comprising: a speed measuring device sensor, suitable for being installed on the front of the vehicle, and used for sensing a speed measuring device; A vehicle electronic device, suitable for being installed in a compartment space defined by the vehicle, and comprising a voltage conversion unit, a wireless communication unit, and a processing unit electrically connected to the voltage conversion unit and the wireless communication unit a unit, the voltage conversion unit is electrically connected to the power supply system of the vehicle, and converts the voltage of the power provided by the power supply system into a voltage usable by the processing unit; and A control device, suitable for being installed in an engine room space defined by the vehicle, and comprising a voltage conversion module, a wireless communication module, a power control module, and a voltage conversion module electrically connected to the voltage conversion module , the wireless communication module and the processing module of the power control module, the voltage conversion module is electrically connected to the battery of the power supply system of the vehicle, and converts the voltage of the power provided by the battery into the processing module The voltage that can be used, the wireless communication module is electrically connected to the wireless communication unit of the vehicle electronic device in a wireless manner, the power control module is electrically connected to the sensor of the speed measuring device, and used to supply power to the speed measuring device sensor; When receiving power from the power supply system, the processing unit of the vehicle electronic device executes a boot procedure to enter an operating state, and in the operating state, the processing unit transmits a power-on command to the control device via the wireless communication unit; In a standby state, the processing module of the control device does not supply power to the speed measuring device sensor through the power control module, and when the processing module of the control device receives the power-on command through the wireless communication module , the processing module of the control device enters an operating state from the standby state; In the operating state, the processing module of the control device supplies power to the speed measuring device sensor through the power control module. The speed measuring device sensing system according to claim 1, wherein when the processing module of the control device receives the power-on command via the wireless communication module, the processing module of the control device also returns an acknowledgement notify the vehicle electronic device; In the operating state, when the processing unit of the vehicle electronic device receives the acknowledgment notification via the wireless communication unit, the processing unit continues to send a continuing operation command to the control device via the wireless communication unit; In the operating state, the processing module of the control device determines whether the continuing operation instruction has not been received for a predetermined period of time; When the processing module of the control device determines that the continuing operation command has not been received for the predetermined time, the processing module enters the standby state. The speed measuring device sensing system according to claim 1, wherein the vehicle electronic device further comprises a prompting unit electrically connected to the processing unit; When the speed measuring device sensor senses the speed measuring device, a warning notification is sent to the processing module of the control device; When the processing module of the control device receives the warning notification from the sensor of the speed measuring device, the processing module transmits the warning notification to the vehicle electronic device via the wireless communication module; When the processing unit of the vehicle electronic device receives the warning notification via the wireless communication unit, the processing unit outputs a warning signal via the prompting unit. The speed measuring device sensing system of claim 1, wherein the wireless communication unit communicates with the wireless communication by radio frequency. A control method of a speed measuring device sensing system is implemented by a speed measuring device sensing system, the speed measuring device sensing system is suitable for being electrically connected to a power supply system of a vehicle, the power supply system comprises a battery and a generator, the The speed measuring device sensing system includes a speed measuring device sensor, a vehicle electronic device and a control device, the speed measuring device sensor is suitable for being installed on the front of the vehicle, and is used for sensing a speed measuring device, the The vehicle electronic device is suitable for being installed in a compartment space defined by the vehicle, and includes a voltage conversion unit, a wireless communication unit, and a processing unit electrically connected to the voltage conversion unit and the wireless communication unit, The voltage conversion unit is electrically connected to the power supply system of the vehicle, and converts the voltage of the power provided by the power supply system into a voltage usable by the processing unit, and the control device is suitable for being installed in an engine room defined by the vehicle The space includes a voltage conversion module, a wireless communication module, a power control module, and a processing module electrically connected to the voltage conversion module, the wireless communication module and the power control module, The voltage conversion module is electrically connected to the battery of the power supply system of the vehicle, and converts the voltage of the power provided by the battery into a voltage usable by the processing module, and the wireless communication module is wirelessly connected to the battery. The wireless communication unit of the vehicle electronic device, the power control module is electrically connected to the sensor of the speed measuring device, and is used to supply power to the sensor of the speed measuring device, and the method includes: When receiving power from the power supply system, the processing unit of the vehicle electronic device executes a boot procedure to enter an operating state, and in the operating state, the processing unit transmits a power-on command to the control device via the wireless communication unit; In a standby state, the processing module of the control device does not supply power to the speed measuring device sensor through the power control module, and when the processing module of the control device receives the power-on command through the wireless communication module , the processing module of the control device enters an operating state from the standby state; and In the operating state, the processing module of the control device supplies power to the speed measuring device sensor through the power control module. The control method for a speed measuring device sensing system according to claim 5, further comprising: When the processing module of the control device receives the power-on command via the wireless communication module, the processing module of the control device also returns an acknowledgement notification to the vehicle electronic device; In the operating state, when the processing unit of the vehicle electronic device receives the acknowledgment notification via the wireless communication unit, the processing unit continues to send a continuing operation command to the control device via the wireless communication unit; In the operating state, the processing module of the control device determines whether the continuing operation command has not been received for a predetermined period of time; and When the processing module of the control device determines that the continuing operation command has not been received for the predetermined time, the processing module enters the standby state. The control method of a speed measuring device sensing system according to claim 5, wherein the vehicle electronic device further comprises a prompting unit electrically connected to the processing unit, and the method further comprises: When the speed measuring device sensor senses the speed measuring device, a warning notification is sent to the processing module of the control device; When the processing module of the control device receives the warning notification from the speed measuring device sensor, the processing module transmits the warning notification to the vehicle electronic device via the wireless communication module; and When the processing unit of the vehicle electronic device receives the warning notification via the wireless communication unit, the processing unit outputs a warning signal via the prompting unit. The control method for a speed measuring device sensing system according to claim 5, wherein the wireless communication unit communicates with the wireless communication by radio frequency.

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