CN2777496Y - Novel navigation device - Google Patents

Abstract

The utility model relates to a novel navigation device which comprises a generating mechanism of fixing frequency directing signals, a receiving and controlling processed mechanism of the fixing frequency directing signals, and a steering mechanism, wherein the steering mechanism receives signals which are processed by a signal processing device, then generates corresponding actions and further controls the moving direction of navigated equipment. Due to the adoption of a structure that the fixing frequency generator and a sensing device of alternating magnetic field signals at the surroundings of closed guide wires and detection guide wires are combined to control the steering mechanism arranged on the navigated equipment, the utility model controls the moving direction of the navigated equipment by the direct proportion relation of the alternating magnetic field generated by alternating signals generated by the fixing frequency generator at the surroundings of the guide wires, the signal strength detected by the sensing device and the offset distance of the sensing device to the guide wires. The utility model has the advantages of convenient directing signal adjustment, strong anti-interference ability, easy and reliable identification, high action sensitivity, stable running, etc.

Description

A kind of novel guider

Technical field

The utility model relates to a kind of guider, particularly relates to a kind of automatic driving vehicle or railless electric retractable door or other along route walking and needs the novel guider of the device usefulness of direction guiding.

Background technology

In the existing guider, particularly present railless electric retractable door generally all is to adopt infrared ray or laser to guide the retractable door walking as pilot signal, the linear running gear train of a kind of trackless electric extension and a kind of railless electric retractable door is disclosed respectively as Chinese patent ZL0222658.X (notification number CN2535517Y) and ZL02115065.5 (publication number CN1375611Y), but the engineering reliability that these two kinds of patents relate to is poor, make straight line moving and all be a problem, just more powerless for the equipment that will do the camber line walking.Also has a kind of trackless extensible door at present, be on permanent haulage line, whenever to be spaced a distance just to bury a magnet underground, offset direction when detecting the retractable door walking with the method that detects at interval, but the chance that this interval detection method has and requires magnet embedding precision height, control accuracy is poor, installation is difficult, malfunction occurs is big, depart from and manyly will can not find shortcoming such as direction.And the existing a kind of office document or material loading wagon that can use in the office occasion although the material of its direction guiding usefulness also is a magnetic material, its input and control system complexity, costs an arm and a leg.

Summary of the invention

The purpose of this utility model is the existence at the problems referred to above, provides a kind of pilot signal easy to adjust, and antijamming capability is strong, identification is reliable easily, action sensitivity is high, operate steadily, make novel guider simple and easy, with low cost.

The technical solution of the utility model is achieved in that

Novel guider described in the utility model, comprise that the fixed frequency pilot signal generates mechanism, the reception of pilot signal and control and treatment mechanism and be installed on by the control on the navigator by navigator moving direction steering mechanism, wherein, described fixed frequency pilot signal generates mechanism and comprises that fixed frequency generator and the alternating signal that is used for that fixed frequency generator is produced and exports that is connected with this fixed frequency generator carry out the signal amplifying apparatus of processing and amplifying, signal output coupler that the isolation coupling that being used for of being connected with this signal amplifying apparatus, signal with the output of this signal amplifier carried out signal is handled and the output that is connected to this signal output coupler by its two ends, what at least one guide wire in formation one loop was formed on the input end also can produce a signal guidance device along the alternating magnetic field signal of guide wire radial decay around each guide wire, the reception of described pilot signal and control and treatment mechanism comprise the sensing device that is installed on the alternating magnetic field signal that is produced by the detection guide wire of navigator both sides respectively, receive the detected alternating magnetic field signal of sensing device and this alternating magnetic field signal is amplified, the signal processing apparatus that rectification is handled produces corresponding action and then control by the navigator moving direction behind the signal after described steering mechanism received signal treating apparatus is handled.

Wherein, above-mentioned steering mechanism is two AC driven motor that are installed on by on the navigator, sensing device in the reception of above-mentioned pilot signal and the control and treatment device is for to be installed on by the two sensors of navigator front part sides respectively, and said signal processing device comprises the central controller CPU of the described AC driven motor rotating speed that is used to control that is connected in ac signal amplifiers, rectifier, the A/D converter on above-mentioned each sensor respectively successively and is connected in described each A/D converter two input end.

The utility model is owing to adopt fixed frequency generator and closed guide wire and the sensing device that detects the alternating magnetic field signal around the guide wire combine control device in by the structure of the steering mechanism on the navigator, the alternating signal that utilizes fixed frequency generator to produce produces alternating magnetic field around guide wire, principle according to magnetic field alternation radial decay, alternating magnetic field around the guide line is along the guide line radial decay, so departing from the distance of guide wire, detected signal power of sensing device and sensing device be directly proportional, therefore utilize the detected signal of sensing device to amplify, after rectification is handled, being input to be installed on by the steering mechanism on the navigator makes its generation corresponding action and then control by the navigator moving direction, so its pilot signal is easy to adjust, antijamming capability is strong, but also has identification easily, reliably, the action sensitivity height, advantage such as operate steadily.And receiving control device of the present utility model is not only applicable to a motor-driven walking, a motor steering, be applicable to also that simultaneously two motors drive walking simultaneously and realize turning to by closing down of motor, usable range is extensive, and its making is easy, with low cost, both can be applicable to railless electric retractable door, can be applicable to the automatic driving vehicle of fixing running route and the field that outwardness needs the direction guiding thereof again, practical.

Below in conjunction with accompanying drawing the utility model is further described.

Description of drawings

Fig. 1 is the block diagram of fixed frequency pilot signal generating apparatus of the present utility model;

Fig. 2 is the structural representation of sensor of the present utility model;

Fig. 3 is used to control the schematic diagram that alternating current generator turns to for the utility model;

The navigation sector that Fig. 4 turns to for the may command alternating current generator in the utility model with by the structural representation of navigator;

Embodiment

As Fig. 1～shown in Figure 4, novel guider described in the utility model, comprise that the fixed frequency pilot signal generates mechanism, the reception of pilot signal and control and treatment mechanism and be installed on by the control on the navigator by the steering mechanism of navigator moving direction, wherein, described fixed frequency pilot signal generates mechanism and comprises that fixed frequency generator and the alternating signal that is used for that fixed frequency generator is produced and exports that is connected with this fixed frequency generator carry out the signal amplifying apparatus of processing and amplifying, signal output coupler that the isolation coupling that being used for of being connected with this signal amplifying apparatus, signal with the output of this signal amplifier carried out signal is handled and the output that is connected to this signal output coupler by its two ends, what at least oneguide wire 1 in formation one loop was formed on the input end also can produce a signal guidance device along the alternating magnetic field signal ofguide wire 1 radial decay around eachguide wire 1, the reception of described pilot signal and control and treatment mechanism comprise the sensing device that is installed on the alternating magnetic field signal that is produced by thedetection guide wire 1 of navigator both sides respectively, receive the detected alternating magnetic field signal of sensing device and this alternating magnetic field signal is amplified, the signal processing apparatus that rectification is handled produces corresponding action and then control by the navigator moving direction behind the signal that described steering mechanism received signal treating apparatus is handled.Wherein above-mentionedsteering mechanism 3 can be and comprises two AC drivenmotor 3 that are installed on by on the navigator, above-mentioned sensing device is for to be installed on the twosensors 2 that is directed to mechanism's front part sides respectively, and said signal processing device comprises the central controller CPU that is connected in ac signal amplifiers, rectifier, the A/D converter on above-mentioned eachsensor 2 respectively successively and is connected in the described AC driven motor rotating speed that is used to control of described each A/D converter two input end.For making the utility model do line navigation or camber line navigation, being used to guide the lead segment of being moved by navigator on theguide wire 1 in the above-mentioned signal guidance device can be according to using needs to be made as linear lead segment or arc lead segment or annular lead segment.Thesensor 2 is the curved housing of an end.

Principle of work of the present utility model:

Fixed frequency generator produces and the alternating signal of output is input to signal amplifier, above-mentioned signal amplifier carries out alternating signal to be input to the signal output coupler after the processing and amplifying, after handling, the isolation coupling that above-mentioned signal output coupler carries out signal with the signal that receives outputs to the signal guidance device again, above-mentioned signal guidance device produces an alternating magnetic field signal alongguide wire 1 radial decay around eachguide wire 1 after received signal, be installed on by the sensing device on the navigator and its detected and this sensing device on the lead segment of above-mentioned eachguide wire 1 departed from the alternating magnetic field signal conveys of the proportional relation of distance ofguide wire 1 to the reception and the control and treatment device of above-mentioned pilot signal, AC amplifier in the said signal processing device, rectifier and A/D converter amplify this alternating magnetic field signal, after rectification and the A/D conversion, directly send into central processor unit and handle, and then control the rotating speed of the alternatingcurrent generator 3 in the steering mechanism and then control by the navigator moving direction by central processing unit.

Claims (4)

1, a kind of novel guider, it is characterized in that comprising that the fixed frequency pilot signal generates mechanism, the reception of pilot signal and control and treatment mechanism and be installed on by the control on the navigator by the steering mechanism of navigator moving direction, wherein, described fixed frequency pilot signal generates mechanism and comprises that fixed frequency generator and the alternating signal that is used for that fixed frequency generator is produced and exports that is connected with this fixed frequency generator carry out the signal amplifying apparatus of processing and amplifying, signal output coupler that the isolation coupling that being used for of being connected with this signal amplifying apparatus, signal with the output of this signal amplifier carried out signal is handled and the output that is connected to this signal output coupler by its two ends, what at least one guide wire (1) in formation one loop was formed on the input end also can produce a signal guidance device along the alternating magnetic field signal of guide wire (1) radial decay on every side in each guide wire (1), the reception of described pilot signal and control and treatment mechanism comprise the sensing device that is installed on the alternating magnetic field signal that is produced by the detection guide wire (1) of navigator both sides respectively, receive the detected alternating magnetic field signal of sensing device and this alternating magnetic field signal is amplified, the signal processing apparatus that rectification is handled produces corresponding action and then control by the navigator moving direction behind the signal that described steering mechanism received signal treating apparatus is handled.

2, novel guider according to claim 1, it is characterized in that above-mentioned steering mechanism (3) comprises two AC driven motor that are installed on by on the navigator, above-mentioned sensing device is for to be installed on the two sensors (2) that is directed to mechanism's front part sides respectively, and said signal processing device comprises the central controller CPU of the described AC driven motor rotating speed that is used to control that is connected in ac signal amplifiers, rectifier, the A/D converter on above-mentioned each sensor (2) respectively successively and is connected in described each A/D converter two input end.

3, novel navigation sector according to claim 1 is characterized in that being used to guide the lead segment of being moved by navigator on the guide wire (1) in the above-mentioned signal guidance device is linear lead segment or arc lead segment or annular lead segment.

4,, it is characterized in that the sensor (2) is the curved housing of an end according to claim 2 or 3 described novel navigation sectors.

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