Inspection and measurement system for egg laying performance of individual long-endurance cage breeding eggs
By using work-shaped tracks and track connection components in the laying hen breeding cage, combined with the height adjustment mechanism and the inspection trolley, the problem of the shooting module shaking on the uneven ground is solved, stable data collection and efficient battery life are achieved, and egg laying information recording needs of large chicken farms are met.
Patent Information
- Application Number
- CN202421812199.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-07-30
AI Technical Summary
When existing laying hen patrol robots are used on uneven grounds, the camera is prone to shake, resulting in unclear shooting images, affecting data analysis, and the overall size is large and heavy, making it difficult to meet the efficient egg laying information recording needs of large chicken farms.
The working-shaped track and track connection components are adopted, and the height adjustment mechanism and patrol car are combined with the height adjustment mechanism and the patrol car, and the power is supplied through the charging slot on the track connection component and the charging connector on the car to improve the endurance. It is equipped with a high-definition camera and a thermal imaging camera for data acquisition, and the positioning navigation module is used to independently plan the path.
It has achieved stable collection of laying hen health status and egg laying performance data in multi-layer breeding cages, avoiding shaking of the shooting module, improving data clarity and the endurance of the inspection car, and meeting the efficient egg laying information recording needs of large chicken farms.
Smart Images

Figure CN223154863U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of poultry breeding management equipment, and more specifically, particularly relates to a long-endurance cage-cultured breeding egg individual egg production performance inspection and determination system. Background Art
[0002] Cage-culturing laying hens helps to accurately determine the individual egg production performance and can improve the breeding efficiency of laying hens. In addition, fully recording the egg production situation and egg production quality of individual cage-cultured breeding egg chickens helps breeders understand the production efficiency and health status of the chickens, so as to optimize breeding management strategies, such as adjusting feed ratio, improving breeding environment, strengthening disease prevention and control, etc., so as to achieve the purpose of improving the egg production performance and breeding benefits of chickens;
[0003] With the development of the chicken breeding industry in China, on the one hand, the degree of large-scale and mechanized production is getting higher and higher, and the productivity level is constantly rising. The traditional manual determination of the production performance of breeding egg chickens can no longer meet the needs of egg production information recording and processing in large and medium-sized chicken farms; on the other hand, the combination of computer technology and automatic control technology with the traditional poultry breeding industry has made it possible to systematically integrate the application of egg production information recording and processing in chicken farms;
[0004] In the prior art, mainly through a laying hen inspection robot to observe the health status and egg production performance of laying hens in multi-layer breeding cages, to achieve more scientific and efficient production and breeding. However, it is found in the use process that the overall volume of the laying hen inspection robot is large, it is too heavy when walking, and its camera shakes when the ground is not flat enough, resulting in unclear captured images and affecting subsequent data analysis.
[0005] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a cage-cultured breeding egg individual egg production performance inspection and determination device is provided, in order to achieve a more practical value purpose. Summary of the Utility Model
[0006] In order to solve the above technical problems, the utility model provides a long-endurance cage-cultured breeding egg individual egg production performance inspection and determination system to solve the above problems.
[0007] The purpose and effect of a long-endurance cage-cultured breeding egg individual egg production performance inspection and determination system of the utility model are achieved by the following specific technical means:
[0008] A long-endurance cage-cultured breeding egg individual egg production performance inspection and determination system includes:
[0009] An I-shaped track, installed around each layer of breeding cages;
[0010] A track connection component, arranged at the head and tail connection of the I-shaped track, and butt-jointed with the head and tail of the I-shaped track to form a closed channel;
[0011] The inspection trolley, with its initial position on the track connection assembly, travels on the I-shaped track to collect the health status and egg-laying performance of laying hens in multiple layers of breeding cages, and transmits the data to the control center for data analysis and feedback by the control center;
[0012] The height adjustment mechanism, when carrying the inspection trolley on the track connection assembly, adjusts the height of the track connection assembly so that the track connection assembly is docked with the I-shaped track on the breeding cage to be detected, transfers the detection area of the inspection trolley, and cooperates with the inspection trolley to achieve multi-layer inspection work.
[0013] The inspection trolley includes:
[0014] A housing, with a mounting plate installed in the middle of the inner cavity of the housing;
[0015] Two sets of walking drive mechanisms, symmetrically installed at the middle of the top surface of the mounting plate, driving the inspection trolley to move on the I-shaped track;
[0016] Two sets of walking components, installed on the top surface of the mounting plate, and the two sets of walking components are symmetrically distributed on the left and right sides of the walking drive mechanism, hanging on the I-shaped track to maintain the overall balance of the inspection trolley on the I-shaped track and cooperate with the walking drive mechanism to move;
[0017] A power supply module, installed on one side of the bottom surface of the mounting plate, providing electrical energy for all electrical equipment in the inspection trolley;
[0018] A charging connector, installed on the front side of the housing, and the power supply module is charged by connecting the power supply through the charging connector;
[0019] A telescopic module, installed in the middle of the bottom surface of the mounting plate, with a rotating module installed at the telescopic end of the telescopic module, a shooting module installed on the front side of the rotating module, and a lighting module matching the shooting module installed on the rear side of the rotating module. The shooting angle of the shooting module and the lighting angle of the lighting module are adjusted by the rotation of the rotating module, and the shooting height of the shooting module on the rotating module and the lighting height of the lighting module are adjusted by the telescopic adjustment of the telescopic module;
[0020] A positioning and navigation module, installed on the bottom surface of the mounting plate, controls the height adjustment mechanism, the track connection assembly and the inspection trolley to autonomously plan an efficient movement trajectory according to a preset inspection path or according to real-time environmental information;
[0021] An information feedback module, receives and analyzes the data captured by the shooting module, wirelessly transmits it to the control center, and receives the feedback instructions from the data center and pushes them.
[0022] Further, the height adjustment mechanism includes a sliding seat, a lead screw is rotatably installed in the inner cavity of the sliding seat, a motor 1 is installed on the bottom surface of the sliding seat, and the rotating end of the motor 1 is fixedly connected to the lower end of the lead screw.
[0023] Further, the track connection assembly includes a connection block installed on the lead screw. A docking track matching the I-shaped track is fixedly installed on the bottom surface of the left end of the connection block. L-shaped blocks are installed on both the front and rear sides of the connection block. An electric telescopic rod is provided in the L-shaped block. A limiting block for matching the docking track is installed at the telescopic end of the electric telescopic rod. A charging slot for matching the charging connector is installed in the middle of the bottom surface of the connection block.
[0024] Further, a positive electrode slot is provided in the middle of the top surface of the charging connector, and a negative electrode slot is provided in the middle of the bottom surface of the charging connector.
[0025] Further, both groups of the traveling assemblies each include an adjusting plate fixedly installed on the mounting plate. Traveling wheels in contact with the inner bottom surface of the I-shaped track and auxiliary wheels in contact with the inner top surface of the I-shaped track are symmetrically installed on the adjusting plate.
[0026] Further, the traveling driving mechanism includes a second motor installed on the mounting plate. A driving wheel in contact with the inner side wall surface of the I-shaped track is installed at the rotating end of the second motor.
[0027] Further, the shooting module includes:
[0028] A high-definition camera, which acquires image information of breeding chickens and eggs, and cooperates with the information feedback module to detect whether there are damages, stains, deformities, etc. on the appearance of the eggs;
[0029] A thermal imaging camera, which senses the infrared rays in the breeding cage and converts them into electrical signals. Through the image processing technology of the information feedback module, these electrical signals are converted into thermal images, and then it is analyzed to obtain whether the temperature and humidity in the breeding cage are appropriate, the health condition of the breeding chickens, the freshness of the eggs, and whether the storage environment is appropriate.
[0030] Further, the positioning and navigation module includes:
[0031] A lidar, which establishes an environmental map for navigation;
[0032] A camera, which conducts visual recognition and navigation, recognizes landmarks, signs, objects, people, etc., so as to assist the inspection trolley in positioning and path planning;
[0033] A wheel speed sensor, which monitors the traveling speed and motion state of the traveling driving mechanism for positioning and navigation calibration;
[0034] A geomagnetic sensor, which detects the magnetic field of the ground, provides additional positioning information, and enhances the navigation accuracy of the inspection trolley.
[0035] Compared with the prior art, the utility model has the following beneficial effects:
[0036] 1. In the present utility model, the height adjustment mechanism and the track connection assembly cooperate with each other to adjust the inspection route of the inspection trolley, and the charging slot on the track connection assembly is connected to the charging connector on the inspection trolley to charge the power supply module, improving the overall endurance of the inspection trolley.
[0037] 2. The present utility model provides a stable walking route for the inspection trolley through the I-shaped track, avoiding the problem that the shooting module on it shakes, resulting in an unclear captured image and affecting subsequent data analysis. BRIEF DESCRIPTION OF THE DRAWINGS
[0038] Figure 1 is a schematic diagram of the overall structure of the present utility model.
[0039] Figure 2 is a cross-sectional view of the height adjustment mechanism of the present utility model.
[0040] Figure 3 is a schematic diagram of the track connection assembly of the present utility model.
[0041] Figure 4 is a schematic diagram of the outside of the inspection trolley.
[0042] Figure 5 is a schematic diagram of the internal structure of the inspection trolley of the present utility model.
[0043] In the figure, the corresponding relationship between the component names and the drawing reference numbers is as follows:
[0044] 1. I-shaped track;
[0045] 2. Height adjustment mechanism; 201. Sliding seat; 202. Motor 1; 203. Lead screw;
[0046] 3. Track connection assembly; 301. Connection block; 302. Docking track; 303. L-shaped block; 304. Electric telescopic rod; 305. Limiting block; 306. Charging slot;
[0047] 4. Inspection trolley; 41. Mounting plate;
[0048] 42. Travel driving mechanism; 421. Driving wheel; 422. Motor 2;
[0049] 43. Travel assembly; 431. Connecting plate; 432. Adjusting plate; 433. Travel wheel; 434. Auxiliary wheel;
[0050] 44. Power supply module;
[0051] 45. Charging connector; 451. Positive electrode slot; 452. Negative electrode slot;
[0052] 46. Telescopic module; 47. Rotating module; 48. Shooting module; 49. Lighting module;
[0053] 5. Information feedback module;
[0054] 6. Positioning and navigation module. Specific implementation mode
[0055] The following further describes the implementation mode of the present utility model in detail in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.
[0056] In the description of the present utility model, unless otherwise specified, "a plurality of" means two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0057] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0058] Embodiment:
[0059] Embodiment:
[0060] As shown in the attached Figure 1 to the attached Figure 5 shown:
[0061] A long-endurance cage-cultured breeding egg individual egg-laying performance inspection and determination system, comprising:
[0062] I-shaped track 1, installed around each layer of breeding cages;
[0063] Track connection assembly 3, arranged at the head and tail connection of the I-shaped track 1, and connected to the head and tail of the I-shaped track 1 to form a closed channel;
[0064] Inspection trolley 4, with its initial position located on the track connection assembly 3, traveling on the I-shaped track 1 to collect the health status and egg-laying performance of laying hens in multiple layers of breeding cages, and transmitting the data to the control center for data analysis and feedback by the control center;
[0065] The height adjustment mechanism 2 adjusts the height of the track connection assembly 3 when carrying the inspection trolley 4 on the track connection assembly 3 so that the track connection assembly 3 is docked with the I-shaped track 1 on the aquaculture cage to be detected, transfers the detection area of the inspection trolley 4, and cooperates with the inspection trolley 4 to achieve multi-layer inspection work.
[0066] The inspection trolley 4 includes:
[0067] A housing, and a mounting plate 41 is installed in the middle of the inner cavity of the housing;
[0068] Two sets of traveling drive mechanisms 42 are symmetrically installed on the middle of the top surface of the mounting plate 41 front and rear to drive the inspection trolley 4 to move on the I-shaped track 1;
[0069] Two sets of traveling assemblies 43 are installed on the top surface of the mounting plate 41, and the two sets of traveling assemblies 43 are symmetrically distributed on the left and right sides of the traveling drive mechanism 42, and are hung on the I-shaped track 1 to maintain the overall balance of the inspection trolley 4 on the I-shaped track 1 and cooperate with the traveling drive mechanism 42 to move;
[0070] A power supply module 44 is installed on one side of the bottom surface of the mounting plate 41 to provide electric energy for all electrical equipment in the inspection trolley 4;
[0071] A charging connector 45 is installed on the front side of the housing, and the power supply module 44 is charged by connecting to the power supply through the charging connector 45;
[0072] A telescopic module 46 is installed in the middle of the bottom surface of the mounting plate 41. A rotating module 47 is installed at the telescopic end of the telescopic module 46. A photographing module 48 is installed on the front side of the rotating module 47, and an illumination module 49 used in matching with the photographing module 48 is installed on the rear side of the rotating module 47. The photographing angle of the photographing module 48 and the illumination angle of the illumination module 49 are adjusted by the rotation of the rotating module 47, and the photographing height of the photographing module 48 and the illumination height of the illumination module 49 on the rotating module 47 are adjusted by the telescopic adjustment of the telescopic module 46;
[0073] A positioning and navigation module 6 is installed on the bottom surface of the mounting plate 41, and controls the height adjustment mechanism 2, the track connection assembly 3 and the inspection trolley 4 to autonomously plan an efficient moving trajectory according to a preset inspection path or according to real-time environmental information;
[0074] An information feedback module 5 receives and analyzes the data photographed by the photographing module 48, wirelessly transmits it to the control center, and receives the feedback instruction from the data center and pushes it.
[0075] The height adjustment mechanism 2 includes a sliding seat 201. A lead screw 203 is rotatably installed in the inner cavity of the sliding seat 201. A motor 202 is installed on the bottom surface of the sliding seat 201, and the rotating end of the motor 202 is fixedly connected to the lower end of the lead screw 203.
[0076] The rail connection assembly 3 includes a connection block 301 mounted on the lead screw 203. A docking rail 302 matching the I-shaped rail 1 is fixedly installed on the bottom surface of the left end of the connection block 301. L-shaped blocks 303 are installed on both the front and rear sides of the connection block 301. An electric telescopic rod 304 is provided inside the L-shaped block 303. A limit block 305 for matching the use of the docking rail 302 is installed at the telescopic end of the electric telescopic rod 304. A charging slot 306 for matching the use of the charging connector 45 is installed in the middle of the bottom surface of the connection block 301.
[0077] As shown in the Figure 4 accompanying drawings, in some embodiments, a positive electrode slot 451 is provided in the middle of the top surface of the charging connector 45, and a negative electrode slot 452 is provided in the middle of the bottom surface of the charging connector 45.
[0078] As shown in the Figure 5 accompanying drawings, in some embodiments, both sets of traveling assemblies 43 include adjusting plates 432 fixedly installed on the mounting plate 41. Traveling wheels 433 in contact with the inner bottom surface of the I-shaped rail 1 and auxiliary wheels 434 in contact with the inner top surface of the I-shaped rail 1 are symmetrically installed on the adjusting plate 432.
[0079] As shown in the Figure 5 accompanying drawings, in some embodiments, the traveling driving mechanism 42 includes a motor two 422 installed on the mounting plate 41. A driving wheel 421 in contact with the inner side wall surface of the I-shaped rail 1 is installed at the rotating end of the motor two 422.
[0080] As shown in the Figure 5 In some embodiments, the shooting module 48 includes:
[0081] A high-definition camera, which acquires image information of breeding chickens and eggs, and cooperates with the information feedback module 5 to detect whether there are damages, stains, deformities, etc. on the appearance of the eggs;
[0082] A thermal imaging camera, which senses the infrared rays in the breeding cage and converts them into electrical signals. Through the image processing technology of the information feedback module 5, these electrical signals are converted into thermal images, and then it is analyzed to obtain whether the temperature and humidity in the breeding cage are appropriate, the health status of the breeding chickens, the freshness of the eggs, and whether the storage environment is appropriate.
[0083] As shown in the Figure 5 accompanying drawings, in some embodiments, the positioning and navigation module 6 includes:
[0084] A lidar, which establishes an environmental map for navigation;
[0085] A camera, which conducts visual recognition and navigation, recognizes landmarks, signs, objects, people, etc., so as to assist the inspection trolley 4 in positioning and path planning;
[0086] A wheel speed sensor, which monitors the travel speed and motion state of the travel drive mechanism 42 for positioning and navigation calibration;
[0087] The geomagnetic sensor detects the magnetic field of the ground, provides additional positioning information, and enhances the navigation accuracy of the inspection vehicle 4.
[0088] The specific usage and function of this embodiment are as follows: the rotation of motor 1 202 drives the screw rod 203 to rotate, thereby adjusting the height of the connecting block 301 on the screw rod 203, thereby making the docking track 302 and the I-shaped track 1 of the corresponding height connected end to end. At this time, the electric telescopic rod 304 drives the limit block 305 to shrink in the direction of the L-shaped block 303, releasing the movement restriction of the inspection trolley 4 in the docking track 302, so that a passage is formed between the docking track 302 and the I-shaped track 1, and then the inspection trolley 4 inspects the breeding cages along the I-shaped track 1 of this layer, and enters the middle part of the docking track 302 again through the end of the I-shaped track 1, and the charging connector 45 is clamped in the charging slot 306, thereby charging the power supply module 44 in the inspection trolley 4, and the inspection trolley 4 on the docking track 302 is adjusted through the height adjustment mechanism 2 again to enter the remaining I-shaped tracks 1 for inspection.
[0089] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.
Claims
1. A long-endurance cage-cultured breeding egg individual egg-laying performance inspection and determination system, characterized in that, Comprising: I-shaped track (1), installed around each layer of breeding cages; Track connection assembly (3), arranged at the head and tail connection of the I-shaped track (1), and butt-connected with the head and tail of the I-shaped track (1) to form a closed channel; Inspection trolley (4), with its initial position on the track connection assembly (3), traveling on the I-shaped track (1) to collect the health status and egg-laying performance of laying hens in multiple layers of breeding cages, and transmitting the data to the control center for data analysis and feedback by the control center; Height adjustment mechanism (2), when carrying the inspection trolley (4) on the track connection assembly (3), adjusting the height of the track connection assembly (3) so that the track connection assembly (3) is docked with the I-shaped track (1) on the breeding cage to be detected, transferring the detection area of the inspection trolley (4), and cooperating with the inspection trolley (4) to achieve multi-layer inspection work; The inspection trolley (4) includes: A housing, in the middle of the inner cavity of which a mounting plate (41) is installed; Two groups of walking driving mechanisms (42), symmetrically installed at the middle of the top surface of the mounting plate (41) front and back, driving the inspection trolley (4) to move on the I-shaped track (1); Two groups of walking components (43), installed on the top surface of the mounting plate (41), and the two groups of walking components (43) are symmetrically distributed on the left and right sides of the walking driving mechanism (42), hanging on the I-shaped track (1) to maintain the overall balance of the inspection trolley (4) on the I-shaped track (1) and cooperate with the walking driving mechanism (42) to move; Power supply module (44), installed on one side of the bottom surface of the mounting plate (41), providing electrical energy for all electrical equipment in the inspection trolley (4); Charging connector (45), installed on the front side of the housing, and the power supply module (44) is charged by connecting the power supply through the charging connector (45); Telescopic module (46), installed at the middle of the bottom surface of the mounting plate (41), a rotating module (47) is installed at the telescopic end of the telescopic module (46), a shooting module (48) is installed on the front side of the rotating module (47), and a lighting module (49) used to match the shooting module (48) is installed on the rear side of the rotating module (47). The shooting angle of the shooting module (48) and the lighting angle of the lighting module (49) are adjusted by the rotation of the rotating module (47), and the shooting height of the shooting module (48) and the lighting height of the lighting module (49) on the rotating module (47) are adjusted by the telescopic movement of the telescopic module (46); Positioning and navigation module (6), installed on the bottom surface of the mounting plate (41), controlling the height adjustment mechanism (2), the track connection assembly (3) and the inspection trolley (4) to autonomously plan an efficient movement trajectory according to the preset inspection path or according to the real-time environmental information; Information feedback module (5), receiving and analyzing the data captured by the shooting module (48) and wirelessly transmitting it to the control center, and receiving the feedback instructions from the data center and pushing them; 2. The long-endurance cage-type breeding egg individual egg production performance inspection and determination system according to claim 1, characterized in that: The height adjustment mechanism (2) includes a sliding seat (201), a lead screw (203) is rotatably installed in the inner cavity of the sliding seat (201), a motor one (202) is installed on the bottom surface of the sliding seat (201), and the rotating end of the motor one (202) is fixedly connected to the lower end of the lead screw (203).
3. The long-endurance cage-mounted individual egg-laying performance inspection and determination system according to claim 2, characterized in that: The described track connection component (3) includes a connection block (301) installed on the lead screw (203). A docking track (302) matching the I-shaped track (1) is fixedly installed on the bottom surface of the left end of the connection block (301). L-shaped blocks (303) are installed on both the front and rear sides of the connection block (301). An electric telescopic rod (304) is provided inside the L-shaped block (303). A limit block (305) used in matching with the docking track (302) is installed at the telescopic end of the electric telescopic rod (304). A charging slot (306) used in matching with the charging connector (45) is installed in the middle of the bottom surface of the connection block (301).
4. The long-endurance cage-type breeding egg individual egg production performance inspection and determination system according to claim 1, wherein: In the middle of the top surface of the charging connector (45), a positive electrode slot (451) is opened. In the middle of the bottom surface of the charging connector (45), a negative electrode slot (452) is opened.
5. The long-endurance cage breeding individual egg-laying performance inspection and determination system according to claim 1, wherein: Both of the two sets of walking components (43) include an adjusting plate (432) fixedly installed on the mounting plate (41). On the adjusting plate (432), a walking wheel (433) in contact with the inner bottom surface of the I-shaped track (1) and an auxiliary wheel (434) in contact with the inner top surface of the I-shaped track (1) are symmetrically installed.
6. The long-endurance cage-type breeding egg individual egg-laying performance inspection and measurement system according to claim 1, characterized in that: The walking driving mechanism (42) includes a second motor (422) installed on the mounting plate (41). A driving wheel (421) in contact with the inner side wall surface of the I-shaped track (1) is installed at the rotating end of the second motor (422).
7. The long-endurance cage-mounted individual egg-laying performance inspection and determination system according to claim 1, wherein The shooting module (48) includes: A high-definition camera, which acquires the image information of the breeding chickens and eggs, and cooperates with the information feedback module (5) to detect whether there are damages, stains, and deformities on the appearance of the eggs. A thermal imaging camera, which senses the infrared rays inside the breeding cage and converts them into electrical signals. Through the image processing technology of the information feedback module (5), these electrical signals are converted into thermal images, and then it is analyzed to obtain whether the temperature and humidity inside the breeding cage are appropriate, the health condition of the breeding chickens, the freshness of the eggs, and whether the storage environment is appropriate.
8. The long-endurance cage-raised breeding egg individual egg production performance inspection and determination system according to claim 1, characterized in that, The positioning and navigation module (6) includes: A lidar, which establishes an environmental map for navigation. A camera, which conducts visual recognition and navigation, and recognizes landmarks, signs, objects, and personnel. A wheel speed sensor, which monitors the traveling speed and motion state of the walking driving mechanism (42). A geomagnetic sensor, which detects the magnetic field of the ground and provides additional positioning information.