CN101931420B - Wireless signal transmitting platform, mobile electronic device and method for tracking guidance signal - Google Patents

Abstract

The invention provides a wireless signal transmitting platform, a mobile electronic device and a method for tracking a guide signal. The wireless signal transmitting platform utilizes two transmitters and a blocking component which are horizontally arranged to form two signal areas, and a narrow and long signal-free area is formed between the two signal areas. The mobile electronic device controls the mobile electronic device to operate according to the signal receiving results of the two signal areas by the two receivers, and when the two receivers correspondingly receive the signals of the two signal areas, the mobile electronic device can linearly move to the wireless signal transmitting platform along the long and narrow no-signal area. The invention can increase the efficiency of the mobile electronic device moving towards the wireless signal transmitting platform, and greatly shorten the path-seeking time of the mobile electronic device and the path length of the mobile electronic device moving to the wireless signal transmitting platform.

Description

Wireless signal transmitting platform, mobile electronic device and method for tracking guidance signal

technical field

The present invention relates to a wireless signal transmitting platform, a mobile electronic device and a method for tracking guidance signals, in particular to a wireless signal transmitting platform, a mobile electronic device and a tracking method using the no-signal area between two signal areas as a guidance mechanism The method of guiding the signal.

Background technique

With the development of wireless technology and the development of related components, many home appliances are currently developing towards wireless and automated management. In addition to the functions of home appliances, the supplement of electricity is another important issue. For the automatic charging of home appliances, at present, the charging base station sends out a pilot signal, and the home appliance product detects and tracks the pilot signal, and then connects with the charging base station to achieve the purpose of charging.

In this technical field, there is a way that the charging base station transmits a single pilot signal, and the home appliance detects and tracks the pilot signal. The problem with this method is that it is difficult for home appliances to detect the pilot signal. Another way is that the charging base station transmits two pilot signals, and the two signal areas formed by the two pilot signals are interlaced. Since the entire signal area is the union of the two signal areas, it has a larger detectable range. When the home appliance detects the two guiding signals at the same time, it can be inferred that the home appliance is located in the interleaved signal area, and moves towards the charging base station accordingly. The problem with this method is that the interlaced signal area is usually in the shape of a horn or a core, and the detector of the home appliance is likely to move left and right in this horn-shaped or core-shaped interleaved signal area, rather than directly facing the charging area. The base station moves, and the home appliance product will spend a lot of time and distance in the process of approaching the charging base station.

Contents of the invention

One of the objectives of the present invention is to provide a wireless signal transmitting platform for guiding mobile electronic devices. The wireless signal transmitting platform provides two signal areas and a long and narrow no-signal area formed between the two signal areas, when the mobile electronic device detects the signals of the two signal areas at the same time, it can directly face the wireless signal transmitting platform move.

The wireless signal transmitting platform of the present invention includes a first transmitter, a second transmitter and a blocking member. The first transmitter transmits a first signal to form a first signal area. The second emitter transmits a second signal to form a second signal area. The blocking member is arranged between the first emitter and the second emitter, so that a long and narrow no-signal area is formed between the first signal area and the second signal area, wherein the blocking member, the first emitting The transmitter and the second transmitter are horizontally arranged on the wireless signal transmitting platform.

Another object of the present invention is to provide a mobile electronic device configured corresponding to the wireless signal transmitting platform of the present invention. Using the signal area provided by the wireless signal transmitting platform, the mobile electronic device can quickly move towards the wireless signal transmitting platform.

The mobile electronic device of the present invention includes a mobile base, a first receiver, a second receiver and a controller. The first receiver and the second receiver are arranged on the mobile base. The controller is arranged on the mobile base and electrically connected to the first receiver and the second receiver, and the controller responds to the first signal and the second signal according to the first receiver and the second receiver The signal receiving result is used to control the movement of the mobile base. For example, when the first receiver only receives the first signal and the second receiver only receives the second signal, the mobile base can move straight to the wireless signal transmitting platform.

Another object of the present invention is to provide a method for tracking a guiding signal, which is suitable for the wireless signal transmitting platform to guide the mobile electronic device. The method for tracking the guiding signal enables the mobile electronic device to quickly move towards the wireless signal transmitting platform in the signal area established by the wireless signal transmitting platform.

The method for tracking the guidance signal of the present invention includes the following steps: first, the wireless signal transmitting platform generates a first signal area, a second signal area, and a long and narrow no-signal area between the first signal area and the second signal area ; Then, the controller controls the mobile electronic device to move to the narrow and long no-signal area according to the signal reception results of the first signal and the second signal by the first receiver and the second receiver; When the device moves to the wireless signal transmitting platform, the first receiver only receives the first signal and the second receiver only receives the second signal. Thus, when the first receiver only receives the first signal and the second receiver only receives the second signal, the mobile electronic device can move straight to the wireless signal transmitting platform.

Therefore, in the method for tracking the guide signal of the present invention, the two signals transmitted by the wireless signal transmitting platform are simultaneously used as the guide signal for the mobile electronic device to move, which can increase the movement of the mobile electronic device towards the wireless signal transmitting platform. efficiency; and when the mobile electronic device detects the two signals at the same time, it can move to the wireless signal transmitting platform in a straight line, which can greatly shorten the path-finding time of the mobile electronic device and the time to move to the wireless signal transmitting platform path length.

The advantages and spirit of the present invention can be further understood from the following descriptions of the drawings and detailed descriptions of specific embodiments.

Description of drawings

Fig. 1 is a schematic diagram of a guidance system according to a preferred embodiment of the present invention.

Fig. 2 is a top view of the guiding system in Fig. 1 .

FIG. 3 is a top view of the guiding system when the mobile electronic device is tilted relative to the wireless signal transmitting platform.

FIG. 4 is a top view of the guidance system when the mobile electronic device deviates from a no-signal area.

Fig. 5 is a top view of a guiding system according to another preferred embodiment of the present invention.

FIG. 6 is a flowchart of a method for tracking a pilot signal according to the present invention.

FIG. 7 is a detailed flowchart of FIG. 8 according to the guidance system shown in FIG. 2 .

Detailed ways

Please refer to FIG. 1 , which is a schematic diagram of a guiding system according to a preferred embodiment of the present invention. The guidance system includes a wireless signal transmitting platform 1 and a mobile electronic device 3 . The wireless signal transmitting platform 1 includes a base 12 , a first transmitter 14 , a second transmitter 16 and a blocking member 18 . The first emitter 14 , the second emitter 16 and the blocking member 18 are horizontally disposed on the base 12 . The first transmitter 14 emits a first signal to form a first signal area 142 . The second transmitter 16 emits a second signal to form a second signal area 162 . The blocking member 18 is disposed between the first emitter 14 and the second emitter 16 , so that a long and narrow no-signal region 182 is formed between the first signal region 142 and the second signal region 162 . The ranges of the first signal area 142 and the second signal area 162 are represented by dotted fan shapes. The first transmitter 14 and the second transmitter 16 can be triggered by a trigger signal to transmit the first signal and the second signal, for example, when the mobile electronic device 3 needs a pilot signal, the mobile electronic device 3 sets the transmitter ( not shown) to transmit a trigger signal, the receiver (not shown) of the wireless signal transmitting platform 1 starts to activate the first transmitter 14 and the second transmitter 16 to transmit the first signal and the second signal after receiving the trigger signal, to save power. The above-mentioned long and narrow no-signal area 182 refers to the area without the distribution of the first signal and the second signal, and other signals still exist in this area 182; in the present invention, the first signal and the second signal use invisible light such as infrared better.

In this embodiment, the mobile electronic device 3 includes a mobile base 32 , a first receiver 34 , a second receiver 36 and a controller 38 . The first receiver 34 and the second receiver 36 are disposed on the mobile base 32 . The controller 38 is disposed in the mobile base 32 and electrically connected to the first receiver 34 and the second receiver 36 . The controller 38 can control the movement of the mobile base 32 according to the signal reception results of the first signal and the second signal by the first receiver 34 and the second receiver 36 . It is added that corresponding connection ports can be provided on the base 12 and the mobile base 32 for the physical connection of the base 12 and the mobile base 32 to perform specific functions, such as message transmission and charging. But the present invention is not limited thereto, for example, the proximity between the base 12 and the mobile base 32 is only used for positioning, and other functions are performed by other components; the mobile base 32 can be additionally provided with a motor (not shown) to drive Several wheels (not shown) below are controlled by the controller 38 to drive the mobile base 32 to move on the plane.

Please refer to FIG. 2 , which is a top view of the guiding system in FIG. 1 . It can be seen from FIG. 2 that the distance 40 between the first receiver 34 and the second receiver 36 is greater than the width 184 of the long and narrow no-signal area 182 . 2, the mobile base 32 only receives the first signal in the first signal area 142 at the first receiver 34, and the second receiver 36 only receives the second signal in the second signal area 162. state, move towards the wireless signal transmitting platform 1. Actual situation, with reference to shown in Fig. 3, by controller 38 constantly according to first receiver 34 and second receiver 36 to the signal reception result of this first signal and this second signal, revise the mobile base 32 The moving direction makes the mobile base 32 move toward the wireless signal transmitting platform 1 substantially linearly along the path indicated by the dotted arrow in FIG. 3 . If the distance 40 is only slightly larger than the width 184 , then in the situation shown in FIG. 2 , the mobile electronic device 3 can almost face the wireless signal transmitting platform 1 and move toward the wireless signal transmitting platform 1 in a nearly straight path. The width 184 can be achieved by controlling the width of the barrier member 18 .

The mobile base 32 has a center point. For ease of illustration, the mobile base 32 in each figure is represented by a cylinder, and its center point is located at the center of the circle, so it is not marked separately. The first receiver 34 and the second receiver 36 form an acute angle 324 to the center point, that is, the first receiver 34 and the second receiver 36 generally face forward (relative to the mobile base 32 ) to receive signals. In practical applications, other structures, such as baffles, can directly limit the receiving angle range and direction of the first receiver 34 and the second receiver 36; Do not have to be on the same side.

In addition, when the first receiver 34 and the second receiver 36 of the mobile electronic device 3 cannot receive the first signal in the first signal area 142 and the second signal in the second signal area 162, the controller 38 can control the mobile base The seat 32 is rotated so that the first receiver 34 or the second receiver 36 can effectively receive the signal as a principle. The angle of rotation can be set by yourself, for example, 45 degrees or 90 degrees. After several rotations, there is a chance to receive the signal ; If the signal still cannot be received in the way of rotation, the mobile electronic device 3 can be memory-moved, recording the moved path so that the mobile electronic device 3 can avoid going to the path without signal and return to the area with signal.

The mobile electronic device 3 may further include a receiver facing away from the receiver, which is arranged on the peripheral surface 322 relative to the first receiver 34 and the second receiver 36, so that when the first receiver 34 and the second receiver 36 are not receiving When receiving a signal, the facing away from the receiver helps to determine whether the mobile electronic device 3 is still located in the first signal area 142 or the second signal area 162 . In addition, in general applications, the first signal area 142 and the second signal area 162 are usually fan-shaped areas, and the base 12 is usually set against the wall, so there is a gap between the wall and the first signal area 142 and the second signal area 162. There is still a no-signal area, if another transmitter is used to form an indication signal in this no-signal area to inform the mobile electronic device 3 in this area where it is located, it can prevent the mobile electronic device 3 from accidentally colliding with the wall, and can also use By transmitting signals of different frequencies, the mobile electronic device 3 can determine whether it is on the left or right side of the wireless signal transmitting platform 1 .

Please refer to FIG. 4 , which is a top view of the guidance system when the mobile electronic device 3 deviates from the no-signal area 182 . For convenience of illustration, two situations in which the mobile electronic device 3 deviates from the no-signal area 182 are shown at once. In the mobile electronic device 3 shown on the left, its second receiver 36 receives the first signal, that is, the second receiver 36 is located in the first signal area 142, so the controller 38 controls the mobile base 32 to the right, namely Move toward the narrow and long no-signal area 182; the mobile electronic device 3 shown on the right, its first receiver 34 receives the second signal, that is, the first receiver 34 is located in the second signal area 162, so the controller 38 The mobile base 32 is controlled to move to the left, that is, to move toward the long and narrow no-signal area 182 .

Please refer to FIG. 5 , which is a top view of a guiding system according to another preferred embodiment of the present invention. The difference between this guidance system and the guidance system in FIG. 1 is that the mobile electronic device 3 in FIG. 5 further includes a third receiver 42 . The third receiver 42 is disposed between the first receiver 34 and the second receiver 36 and located on the peripheral surface 322 of the mobile base 32 . Therefore, when the first receiver 34 receives the first signal, the second receiver 36 receives the second signal and the third receiver 42 does not receive the first signal and the second signal, the controller 38 controls The mobile base 32 moves linearly towards the wireless signal transmitting platform 1 . In this embodiment, even though the distance 40 between the first receiver 34 and the second receiver 36 is significantly greater than the width 184 of the no-signal area 182, the third receiver 42 can make the mobile base 32 tend to stay in the no-signal area. In the signal area 182 , the mobile electronic device 3 as a whole can still effectively keep moving toward the wireless signal transmitting platform 1 along the no-signal area 182 .

The controller 38 can measure the received signal energy of the first receiver 34 or the second receiver 36 , and adjust the moving speed of the mobile base 32 according to the received signal energy. For example, when the controller 38 judges that the energy of the received signal is relatively strong, it can be inferred that the mobile electronic device 3 is closer to the wireless signal transmitting platform 1 at this time, and the controller 38 reduces the moving speed of the mobile base 32; otherwise, when the controller 38 judges When the energy of the received signal is weak, it can be inferred that there is still a considerable distance between the mobile electronic device 3 and the wireless signal transmitting platform 1 , and the controller 38 increases the moving speed of the mobile base 32 . In this way, the time for the moving path of the mobile electronic device 3 to converge to the no-signal area 182 is shortened. In addition, the frequency of the first signal in the first signal region 142 can be different from the frequency of the second signal in the second signal region 162, which can increase the degree of discrimination between the first signal and the second signal.

Please refer to FIG. 6 , which is a flowchart of a method for tracking a pilot signal according to the present invention. Based on the description of the aforementioned guidance system, the method for tracking the guidance signal includes the following steps: first, the wireless signal transmitting platform 1 generates a first signal corresponding to the first signal area 142, a second signal corresponding to the second signal area 162 and forming a long and narrow The no-signal area 182 is located between the first signal area 142 and the second signal area 162, as shown in step S100 and FIG. 2; The signal receiving result of the first signal in 142 and the second signal in the second signal area 162 controls the mobile electronic device 3 to move to the narrow and long no-signal area 182, as shown in step S120, for example, the mobile electronic device 3 is directed towards the wireless signal transmitting When the platform 1 is moving, the first receiver 34 only receives the first signal and the second receiver 36 only receives the second signal. Certainly, if the mobile electronic device 3 as shown in FIG. The signal reception result of the first signal at 142 and the second signal at the second signal area 162 controls the mobile electronic device 3 to move to the narrow and long no-signal area 182, for example, when the mobile electronic device 3 moves straight to the wireless signal transmitting platform 1 , to keep the first receiver 34 only receiving the first signal and the second receiver 36 only receiving the second signal and the third receiver 42 not receiving the first signal and the second signal.

Please refer to FIG. 7 , which is a detailed flowchart of FIG. 6 according to the guiding system shown in FIG. 2 . Further, after the wireless signal transmitting platform 1 establishes the required signal area (as shown in step S100), the controller 38 will first determine whether the first receiver 34 and the second receiver 36 have received the signal, as shown in step S100. Shown in S122. If the first receiver 34 and the second receiver 36 do not receive the first signal and the second signal, the controller 38 controls the mobile base 32 to move arbitrarily or controls the mobile base 32 to rotate an angle, as in step S124. display; after that, the process returns to step S122. A description of the aforementioned arbitrary movement or rotation by an angle.

If the first receiver 34 and the second receiver 36 have received the first signal or the second signal, they will be processed respectively according to the following different situations. When the first receiver 34 only receives the first signal, and the second receiver 36 only receives the second signal, the controller 38 controls the mobile base 32 to move, so that the mobile electronic device 3 can move linearly to receive the wireless signal. Launching platform 1, as shown in step S126; for this part, please refer directly to FIG. 2, FIG. 3 and related descriptions. Also, when the second receiver 36 receives the first signal, or when the first receiver 34 receives the second signal, the controller 38 controls the mobile base 32 to move toward the narrow and long no-signal area 182, as in step S128 shown; this part can directly refer to Figure 5 and its related descriptions.

After steps S126 and S128, it is necessary to determine whether the mobile electronic device 3 has arrived at the wireless signal transmitting platform 1 or other preset connection locations, as shown in step S130. If the determination in step S130 is yes, then the routing procedure is stopped and the process ends; if the determination in step S130 is no, the process returns to step S122.

In the method for tracking the guiding signal of the present invention, the two signals transmitted by the wireless signal transmitting platform are simultaneously used as guiding signals for the mobile electronic device to operate, which can increase the efficiency of the mobile electronic device moving towards the wireless signal transmitting platform and when the mobile electronic device detects the two signals at the same time, it can move to the wireless signal transmitting platform in a straight line, which can greatly shorten the path-finding time of the mobile electronic device and the path length of moving to the wireless signal transmitting platform .

Claims (8)

1. electronic apparatus, corresponding wireless signal transmission platform setting, this wireless signal transmission platform produces the first signal zone, the second signal zone, has long and narrow no signal zone between this first signal zone and the second signal zone, it is characterized in that this electronic apparatus comprises:

Mobile foundation;

First receiver;

Second receiver is arranged on this mobile foundation with this first receiver; And

Controller is arranged at this mobile foundation and is electrically connected to this first receiver and this second receiver, and this controller is according to this first receiver and this second receiver signal reception result to this first signal and this second signal, to control this mobile foundation start;

Distance between this first receiver and this second receiver is greater than the width in this long and narrow no signal zone, and this mobile foundation moves to this wireless signal transmission platform and keeps that this first receiver receives only this first signal and this second receiver receives only this second signal.

2. electronic apparatus according to claim 1, it is characterized in that: when this second receiver receives this first signal, maybe work as this first receiver and receive this second signal, this controller is controlled this mobile foundation and is moved towards this long and narrow no signal zone, when this first receiver connects or this second receiver when not receiving any signal, this controller is controlled this mobile foundation rotation.

3. electronic apparatus according to claim 1 is characterized in that: this mobile foundation has central point, and this first receiver to this central point and this second receiver to this central point forms acute angle.

4. electronic apparatus according to claim 1, it is characterized in that: this electronic apparatus also comprises the 3rd receiver, be arranged between this first receiver and second receiver, wherein work as this first receiver and receive this first signal, this second receiver receives this second signal and the 3rd receiver when not receiving this first signal and this second signal, and this mobile foundation can move to this wireless signal transmission platform by straight line.

5. electronic apparatus according to claim 1 is characterized in that: this controller measures the reception signal energy of this first receiver or this second receiver, and receives the signal energy according to this, adjusts the translational speed of this mobile foundation.

6. the method for a tracking guidance signal is applicable to wireless signal transmission platform guiding electronic apparatus, and this electronic apparatus comprises first receiver, second receiver and controller, it is characterized in that this method comprises the following step:

This wireless signal transmission platform produces first signal zone and the second signal zone, has long and narrow no signal zone between this first signal zone and the second signal zone;

This controller is according to this first receiver and this second receiver signal reception result to this first signal and this second signal, and it is mobile toward no signal zone that should be long and narrow to control this electronic apparatus; And

Distance between this first receiver and this second receiver is greater than the width in this long and narrow no signal zone, when this electronic apparatus moves to this wireless signal transmission platform, keep that this first receiver receives only this first signal and this second receiver receives only this second signal.

7. method according to claim 6 is characterized in that this method also comprises:

When this first receiver and this second receiver all do not receive this first signal and this second signal, control this mobile foundation and move arbitrarily or control this mobile foundation and rotate an angle.

8. method according to claim 6 is characterized in that: this electronic apparatus also comprises the 3rd receiver, is arranged between this first receiver and second receiver, and this method also comprises:

When this first receiver receives this first signal, this second receiver receives this second signal and the 3rd receiver when not receiving this first signal and this second signal, and this electronic apparatus can move to this wireless signal transmission platform by straight line.

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