KR100283005B1 - How to extend the transmitter battery life of the car remote control unit - Google Patents

Abstract

The present invention relates to a method for extending the transmitter battery life of a remote control device for a vehicle. In the related art, the above driving waveform is not necessary when the driver is actually driving in a car, but the prior art does not consider this. Unnecessary power is consumed to shorten battery life.

Accordingly, the present invention includes the steps of detecting the entry of the key from the start key box when the key enters the start key box; Determining a signal detected in the step and supplying power to a transmitter; Transmitting power through an antenna by modulating a waveform according to key entry when power is supplied to a transmitter in the step; The transmitter receives the signal transmitted from this step and turns off the receiver. Since the power consumption after the key input to the keybox is 60 μA / s, about 10% of 0.16 mA / s otherwise By only a degree, it is possible to extend the life of the battery by that much, there is an effect that is economical and convenience in use.

Description

How to extend the transmitter battery life of the car remote control unit

The present invention relates to a method for extending the transmitter battery life of a remote control device for a vehicle. More particularly, when the ignition key is inserted into a key box, the transmitter transmits a signal from the main unit to the transmitter, and thus sleep mode of the transmitter. The present invention relates to a method for extending the transmitter battery life of a remote control device for a vehicle to reduce the battery consumption of the transmitter.

In general, many advances have been made in the technology of automobiles for the convenience and safety of the driver in terms of use. Of particular note is the technology of transmitting and receiving certain information using radio waves, which have been applied in various fields with the development of automotive electronic technology, and many developments are expected in the future.

The remote control device for a vehicle has been developed according to the above, and this is also a representative example of the device for the driver's convenience and safety.

The remote control device operates the engine, the air conditioner or the heater, and in this case, a means of informing the operation of the means using a means of ringing the alarm sound using a crack or headlight, and various sensors for theft alarm function After detecting the theft by using the emergency light and the crack attached to the car body to generate its own alarm.

When the driver sends an operation signal from a wireless remote control transmitter (hereinafter referred to as a 'transmitter'), the transmitted radio signal is received through an antenna, amplified and filtered, and output to each predetermined driving device. This drive replaces the driver's own operation by operating the vehicle's corresponding function according to the received signal.

In particular, the function of starting the vehicle is to enable the vehicle to be started or turned off by driving the ignition device at a long distance by a wireless signal control device that outputs a control signal to the ignition device. This will allow the key to be plugged into the key block for a certain period of time and will automatically turn off if it is not in the ″ ON ″ state.

Most vehicles equipped with a remote start device as described above are convenient for the driver to hang up the remote start to warm up the engine for a certain time in the house. In order to prevent theft, the vehicle must be operated by the driver operating the ″ UNLOCK ″ function key on the remote control transmitter to prevent theft, and operate the key as described above.

On the other hand, the remote control device has a unidirectional type for unilaterally operating the function of the vehicle and a bidirectional type in which a function of informing the transmitter of any abnormality in the vehicle is added.

The present invention particularly relates to a two-way remote control device, and thus will be described accordingly.

Fig. 1 shows a system block diagram of a device applied to a remote control method according to the related art, which basically includes a transmitter 10-an antenna 20-a receiver and a transmitter 22, 25-a main unit 30. -It is comprised by the drive part 40, and the structure of the said transmitter 10 is also an antenna-transmitter / receiver part-CPU.

At this time, a function for operating the corresponding function of the vehicle is at the transmitter 10, and the signal by the operation key is the CPU, the CPU at the transmitter, and the transmitter transmits radio waves through the antenna. The flow system by the signal transmitted from (10) has a form that leads to the antenna 20 → the receiving unit 22 → main unit 30 → the driving unit 40 of the vehicle, and informs the driver of the abnormality of the vehicle. Has a signal flow system of the main unit 30 → the transmitter 25 → the antenna 20 → the transmitter 10, and the transmitter 10 is connected to the antenna → the receiver → CPU.

Such a remote control system according to the prior art forms the waveform shown in FIG. 2 since the main power must always be on in preparation for reception of the transmitter 10.

In this waveform, the on period (1 area) is about 0.06 seconds, at which time the CPU and receiver are on, and the current consumption is about 7 mA / s.

Then, the off period (2 area) is about 4 seconds, and at this time, the receiver is in the off state and forms the sleep mode in which only the CPU is on, and 60 µA / s, which is the minimum driving power of the CPU drive, is consumed. Therefore, the average current consumption for the on-cycle and off-cycle according to the prior art is about 0.16 mA / s.

By the way, when the driver is driving in the car, the above-described driving waveforms are not necessary. However, since the conventional technology does not consider this, unnecessary power is consumed to shorten the life of the battery.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems, and when the ignition key is inserted into the key box, the vehicle transmits a signal from the main unit to the transmitter to enter the sleep mode of the transmitter to reduce the battery consumption of the transmitter. The present invention provides a method for extending the transmitter battery life of a remote control device.

In order to achieve the above object, the present invention includes the steps of: detecting the entry of the key from the start key box when the key enters the start key box; Determining a signal detected in the step and supplying power to a transmitter; Transmitting power through an antenna by modulating a waveform according to key entry when power is supplied to a transmitter in the step; Transmitter battery extended time of the remote control device for a vehicle, characterized in that the step of receiving the signal transmitted from this step and the receiver is turned off.

1 is a schematic system diagram of a general vehicle remote control apparatus;

2 is a waveform diagram showing an execution state according to the method applied to FIG.

3 is a system block diagram applied to a method for extending a transmitter battery life of a vehicle remote control apparatus according to an embodiment of the present invention;

Figure 4 is a flow chart according to an embodiment of the present invention, Figure 4a shows the overall flow, Figure 4b shows the performance flow of the saving mode,

Fig. 5 is a label showing the state of execution of Fig. 4;

Explanation of symbols for main parts of the drawings

100: key box detection unit 110: main unit

120: transmitter 125: receiver

130: antenna 140: transmitter

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings, in which the technical constitution and operational effects as an exemplary embodiment can effectively achieve the object of the present invention.

3 is a system block diagram applied to a method for extending a transmitter battery life of a remote control apparatus for a vehicle according to an embodiment of the present invention.

The present invention has a technical idea to extend the life of the battery by reducing the current consumption of the battery by turning off the receiver when the driver does not actually need a transmitter, i.e. while the driver is driving in the vehicle interior. .

Therefore, the present invention is based on a system consisting of a sensing unit 100 mounted on a key box, a main unit 110, a transmitter / receiver unit 120, 125, and an antenna 130 and a transmitter 140.

Figure 4 is a flow chart according to an embodiment of the present invention, Figure 4a shows the overall flow, Figure 4b shows the flow of the saving mode.

As shown in FIG. 4A, when the key is detected in the key box, the controller enters the saving mode of the present invention, but is in the normal mode when the key is not detected.

The execution flow for the saving mode is shown in FIG. 4B. The waveform generated when the key enters the key box is detected and modulated by the main unit, and is transmitted through the antenna. When the receiver of the transmitter receives the signal, demodulates the signal, and applies the signal to the CPU, the CPU determines the key entry and enters the sleep mode to turn off the receiver and continues until the key is removed.

In summary, the method for extending the transmitter battery life of a remote control apparatus for a vehicle according to the present invention includes detecting a key entry from a start key box when a key enters a start key box; Determining a signal detected in the step and supplying power to a transmitter; Transmitting power through an antenna by modulating a waveform according to key entry when power is supplied to a transmitter in the step; The transmitter receives the signal transmitted from this step and turns off the receiver.

FIG. 5 is a schematic diagram showing an implementation state of FIG. 4. FIG.

That is, in the normal mode before key insertion, the state is the same as before. That is, the on-signal is transmitted in accordance with the signal at the time of transmission, and has the reception standby area (⑤) at the time of reception.

In the saving mode after the key insertion, the on-signal is transmitted according to the transmission signal at the time of transmission, but when the signal (⑥) is input for the signal for which the key insertion detection signal is confirmed, the signal is entered into the sleep mode thereafter (⑦). Enter That is, in the area (8) before the signal is input, the operations of the on period (1) and the off period (2) are repeated. Therefore, from the viewpoint of power consumption, the power consumption is 0.16 mA / s in the area (8) before the signal is input, and the power consumption of 60 µA / s is generated in the area (7) after the signal is input.

As described above, the method for extending the transmitter battery life of the remote control device for a vehicle of the present invention has a power consumption of 60 μA / s after a key input to a key box, so about 10% of 0.16 mA / s otherwise. By doing so, it is possible to extend the life of the battery by that much, there is an effect that is economical and convenience in use.

Since what has been described above is merely a mere example in all respects, the present invention should not be limitedly interpreted based on this. Therefore, modifications and equivalent embodiments that fall within the true spirit and scope of the present invention shall fall within the claims of the present invention.

Claims (1)

Detecting entry of a key from the ignition key box when the key is entered into the ignition key box; Determining a signal detected in the step and supplying power to a transmitter; Transmitting power through an antenna by modulating a waveform according to key entry when power is supplied to the transmitter in the step; The transmitter receiving the signal transmitted from this step and turning off the receiver; Transmitter battery usage time extension method of the remote control device for cars, characterized in that consisting of.