Reference station

Abstract

The present application specifically relates to a reference station, which is used for solving the problems of existing reference stations in courtyard robot positioning applications, such as poor environmental adaptability, insufficient structural safety and inconvenient installation. The reference station comprises a data center module, an external connection structure and a vertical pole structure, wherein the external connection structure is arranged on the data center module, and the external connection structure is electrically connected to the data center module; the external connection structure is arranged at an end of the vertical pole structure, and the external connection structure is electrically connected to the vertical pole structure; and the vertical pole structure is a conductor, the vertical pole structure has a grounding point, and the grounding point is used for grounding. In the present application, a data center module is grounded by means of a vertical pole structure, and a grounding point can be in direct contact with the ground or connected to an external ground wire, thereby implementing a grounding function of a reference station.

Description

Reference station TECHNICAL FIELD

[0001] The present application relates to the technical field of self-moving device positioning, in particular to a reference station. BACKGROUND

[0002] GNSS(Global Navigation Satellite System, global navigation satellite system) real-time dynamic measurement technology(RTK, Real Time Kinematic) is a real-time dynamic positioning technology based on carrier phase observation value, which can provide real-time three-dimensional positioning results of the station point in the specified coordinate system. The RTK system is usually composed of a reference station and a rover station, the reference station is used to receive satellite signals and calculate correction data, and the rover station is used to receive satellite signals and reference station correction data to realize high-precision positioning of the rover station. The technology can be applied to the positioning of self-moving devices such as garden robots, and the self-moving device acts as a rover station.

[0003] In related technologies, a data center module with an RTK antenna needs to be installed outside the external environment of the self-moving device as a reference station to realize accurate positioning of the self-moving device. The existing reference station has poor environmental adaptability, insufficient structural safety, and installation inconvenience in the positioning application of the garden robot. Specifically, the reference station needs to be erected outdoors for a long time, which is easy to be struck by lightning in rainy weather, causing internal circuit damage; the data center module shell does not effectively prevent rain and snow accumulation, which has the risk of water ingress; the vertical rod structure designed to ensure communication quality is complex to disassemble and assemble, and is inconvenient to use, which affects the user's deployment efficiency and experience. The above problems jointly limit the reliability and ease of use of the reference station in actual scenarios, and need to be improved. SUMMARY

[0004] Therefore, the present application provides a reference station to solve the problems of poor environmental adaptability, insufficient structural safety, and installation inconvenience of the existing reference station in the positioning application of the garden robot.

[0005] To achieve one or part or all of the above purposes or other purposes, the present application provides a reference station, which comprises a data center module, an external structure and a vertical rod structure; the external structure is arranged on the data center module, and the external structure and the data center module are electrically connected; the external structure is arranged at one end of the vertical rod structure, and the external structure and the vertical rod structure are electrically connected; the vertical rod structure is a conductor, and the vertical rod structure has a grounding site for grounding.

[0006] In an optional embodiment, the vertical rod structure comprises a joint member, a connecting rod set and a mounting base connected in sequence; the joint member is arranged on the outer connecting structure; one end of the connecting rod set is detachably connected with the joint member, and the other end of the connecting rod set is connected with the mounting base; the grounding position is located on the mounting base and / or the connecting rod set.

[0007] In an optional embodiment, a sixth locking member is arranged between the mounting base and the connecting rod set for locking; current can pass through the connecting rod set, the sixth locking member and the mounting base in sequence; the mounting base and / or the sixth locking member is the grounding position.

[0008] In an optional embodiment, the connecting rod set comprises a first rod body, an adapter and a second rod body connected in sequence; one end of the first rod body is detachably connected with the joint member, the other end of the first rod body is detachably connected with one end of the adapter, the other end of the adapter is detachably connected with one end of the second rod body, and the other end of the second rod body is connected with the mounting base; the grounding position is located on the mounting base and / or the second rod body.

[0009] In an optional embodiment, a third locking member is arranged between the joint member and the first rod body for locking; a fourth locking member is arranged between the first rod body and the adapter for locking; a fifth locking member is arranged between the adapter and the second rod body for locking; current can pass through the joint member, the third locking member, the first rod body, the fourth locking member, the adapter, the fifth locking member and the second rod body in sequence.

[0010] In an optional embodiment, the joint member and the first rod body are snap-connected; the first rod body and the adapter are snap-connected; the adapter and the second rod body are snap-connected. The third locking member, the fourth locking member and the fifth locking member each comprise a spring buckle portion and a buckle seat portion, and the spring buckle portion and the buckle seat portion are linearly and elastically connected; one of the first rod body and the joint member is provided with the spring buckle portion, and the other is correspondingly provided with the buckle seat portion; one of the other end of the first rod body and one end of the joint member is provided with the spring buckle portion, and the other is correspondingly provided with the buckle seat portion; one of the other end of the joint member and one end of the second rod body is provided with the spring buckle portion, and the other is correspondingly provided with the buckle seat portion.

[0011] In an optional embodiment, the elastic buckle part comprises an elastic piece, a spring ball and a first pipe segment; the elastic piece can be elastically deformed, the elastic piece is arranged in the first pipe segment, the spring ball is connected to one end of the elastic piece, the first pipe segment is provided with a spring ball hole, the spring ball protrudes from the spring ball hole, and the elastic piece pushes the spring ball towards the spring ball hole; the buckle base part comprises a second pipe segment, the second pipe segment is provided with a buckle hole, the second pipe segment is sleeved on the outer periphery of the first pipe segment, and the spring ball can be buckled into the buckle hole.

[0012] In an optional embodiment, a wire passing channel is formed in the vertical rod structure, two ends of the wire passing channel are a wire inlet and a wire outlet respectively, and the wire inlet and the wire outlet are located at two ends of the vertical rod structure respectively.

[0013] In an optional embodiment, two ends of the adapter in the axial direction are a first adapter end and a second adapter end respectively, a third adapter end is further formed on the adapter, and the third adapter end and the first adapter end have an included angle, which is one of a right angle, an acute angle and an obtuse angle; the first adapter end, the second adapter end and the third adapter end are all used for linear clamping connection with the first rod body and the second rod body; the first adapter end, the second adapter end and the third adapter end are internally connected with each other.

[0014] In an optional embodiment, a wire passing groove is formed on the side wall of the adapter, and the wire passing groove extends towards the first adapter end, the second adapter end and the third adapter end and is connected to the outside world.

[0015] In an optional embodiment, the external connection structure comprises an adapter plate and a first locking piece, and the first locking piece locks the adapter plate to the data center module.

[0016] In an optional embodiment, a second locking piece is arranged between the joint piece and the adapter plate for locking, and current can pass through the data center module, the first locking piece, the adapter plate, the second locking piece and the joint piece in sequence.

[0017] In an optional embodiment, the data center module comprises a shell, a circuit board and a conducting piece; the conducting piece is mounted on the shell, the conducting piece is connected to the external connection structure, the circuit board is arranged inside the shell, and the circuit board, the conducting piece and the external connection structure are electrically connected in sequence.

[0018] In an optional embodiment, the housing comprises a shell and a cover which are overlapped along the front-rear direction; the cover extends along the vertical direction; the shell comprises a first vertical wall which is side by side with the cover, the first vertical wall is smaller than the cover in the vertical direction, and the first vertical wall is smaller than the cover in the left-right direction; the outer edge of the first vertical wall extends towards the outer edge of the cover to form a guide wall; the guide wall gradually narrows towards the first vertical wall; the antenna passes through the guide wall and protrudes to the outside.

[0019] In an optional embodiment, the guide wall is outwardly convex to form a first accommodating cavity wall which is smoothly connected with the guide wall, and a first accommodating cavity is formed inside the first accommodating cavity wall; the first accommodating cavity wall comprises a first arc-shaped side wall and a first top wall; the first arc-shaped side wall extends in an arc shape along the horizontal direction, and the first top wall is arranged on the top of the first arc-shaped side wall; the first top wall and the first arc-shaped side wall wrap the first accommodating cavity; and the first top wall gradually inclines downward from the front-rear direction.

[0020] In an optional embodiment, the guide wall comprises a top guide wall, a first side guide wall, a bottom guide wall and a second side guide wall which are connected in sequence in a ring shape; the lower edge of the top guide wall is connected with the upper edge of the first vertical wall, and the top guide wall gradually inclines towards the upper edge of the cover; the right edge of the first side guide wall is connected with the left edge of the first vertical wall, and the first side guide wall gradually inclines towards the left edge of the cover; the left edge of the second side guide wall is connected with the right edge of the first vertical wall, and the second side guide wall gradually inclines towards the right edge of the cover; and the bottom guide wall is connected with the first vertical wall.

[0021] In an optional embodiment, the top guide wall comprises a second end face, a first end face and a third end face which are connected in sequence from left to right; the first end face gradually inclines backward from the top to bottom direction; the second end face gradually inclines backward from the top to bottom direction, and gradually inclines upward from the left to right direction; and the third end face gradually inclines backward from the top to bottom direction, and gradually inclines downward from the left to right direction.

[0022] In an optional embodiment, the guide wall further comprises a first longitudinal wall and a second longitudinal wall; a left edge of the first side guide wall extends towards a left edge of the cover to form the first longitudinal wall; a right edge of the second side guide wall extends towards a right edge of the cover to form the second longitudinal wall; a top of the first longitudinal wall extends rightwards and upwards to form a seventh end surface, which is connected with the second end surface; a top of the second longitudinal wall extends leftwards and upwards to form an eighth end surface, which is connected with the third end surface; a left top end of the cover is formed with a first chamfer, and a right top end of the cover is formed with a second chamfer, the first chamfer is aligned with a front edge of the seventh end surface, and the second chamfer is aligned with a front edge of the eighth end surface; the bottom guide wall comprises a fifth end surface, a fourth end surface and a sixth end surface connected in sequence from left to right; the fourth end surface is connected with a lower edge of the first vertical wall; the fifth end surface gradually inclines downwards in the left-to-right direction; the sixth end surface gradually inclines upwards in the left-to-right direction; a left bottom end of the cover is formed with a third chamfer, and a right bottom end of the cover is formed with a fourth chamfer, the third chamfer is aligned with a front edge of the fifth end surface, and the fourth chamfer is aligned with a front edge of the sixth end surface; the first longitudinal wall and the second longitudinal wall are recessed towards the inside of the shell to form a recess.

[0023] In an optional embodiment, the cover comprises a second vertical wall, the second vertical wall extends towards a left edge of the shell to form a ninth end surface, and extends towards a right edge of the shell to form a tenth end surface; the ninth end surface gradually inclines forwards in the left-to-right direction; and the tenth end surface gradually inclines backwards in the left-to-right direction.

[0024] The present application has the following beneficial effects:

[0025] The present application uses a stand structure to ground the data center module, the grounding point can directly contact the ground, and the grounding point can also be connected to the ground wire outside, to realize the grounding function of the reference station. When the reference station is struck by lightning, the current is quickly conducted to the ground through the stand structure, thereby reducing the potential difference inside the data center module and avoiding the generation of destructive voltage, effectively avoiding the risk of damage to the electrical components inside the data center module caused by lightning. On the other hand, the stand structure can elevate the data center module to ensure better signal reception and transmission effect, and ensure that the reference station and the mobile station have a better radio transmission path, so that the working distance is farther. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related art, the accompanying drawings needed to be used in the embodiments or the related art description will be briefly introduced as follows. Obviously, the accompanying drawings in the following description only only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0027] Fig. 1 is a perspective view of a reference station according to an alternative embodiment; Fig. 2 is a perspective view of a pole structure according to an alternative embodiment; Fig. 3 is an exploded view of a portion of the pole structure according to an alternative embodiment; Fig. 4 is a perspective view of the pole structure according to an alternative embodiment; Fig. 5 is a perspective view of a data center module according to an alternative embodiment; Fig. 6 is an exploded view of the data center module according to an alternative embodiment; Fig. 7 is an exploded view of a circuit board and a conductor according to an alternative embodiment; Fig. 8 is a perspective view of the circuit board and the conductor according to an alternative embodiment; Fig. 9 is a sectional view of the data center module according to an alternative embodiment; Fig. 10 is an exploded view of a connector and an external structure according to an alternative embodiment; Fig. 11 is a perspective view of a connector according to an alternative embodiment; Fig. 12 is a perspective view of a housing according to an alternative embodiment; Fig. 13 is a perspective view of the housing according to an alternative embodiment; Fig. 14 is a perspective view of an internal structure of the data center module according to an alternative embodiment; and Fig. 15 is a sectional view of a portion of the data center module according to an alternative embodiment.

[0028] The reference signs are explained as follows: 01, data center module; 1, shell; 1a, housing; 11, conducting hole; 12, clamping tooth; 11a, first vertical wall; 12a, guide wall; 121a, top guide wall; 1211a, first end face; 1212a, second end face; 1213a, third end face; 122a, first side guide wall; 123a, second side guide wall; 124a, bottom guide wall; 1241a, fourth end face; 1242a, fifth end face; 1243a, sixth end face; 125a, first longitudinal wall; 1251a, seventh end face; 126a, second longitudinal wall; 1252a, eighth end face; 13a, recess; 14a, inclined hole wall; 15a, male buckle; 1b, cover body; 11b, second vertical wall; 12b, ninth end face; 13b, tenth end face; 14b, first cut corner; 15b, second cut corner; 16b, third cut corner; 17b, fourth cut corner; 18b, female buckle; 131, first accommodating cavity wall; 1311, first arc-shaped side wall; 1312, first top wall; 132, second accommodating cavity wall; 1321, second arc-shaped side wall; 133, third accommodating cavity wall; 1331, third arc-shaped side wall; 2, circuit board; 3, antenna; 14, first sealing ring; 151, first accommodating cavity; 152, second accommodating cavity; 153, third accommodating cavity; 2, circuit board; 21, pressure sensitive resistor; 3, antenna; 4, conducting member; 41, heat dissipation grid; 42, first conductive hole; 43, second conductive hole; 44, clamping hole; 5, internal passage structure; 51, first conductive member; 52, wire; 53, second conductive member; 6, external connection structure; 61, adapter plate; 611, locking through hole; 62, first locking member; 7, vertical rod structure; 70, wire passing channel; 701, wire inlet; 702, wire outlet; 7021, first outlet hole; 7022, second outlet hole; 71, second locking member; 72, joint member; 73, connecting rod group; 731, first rod body; 732, second rod body; 733, adapter; 7331, first adapter end; 7332, second adapter end; 7333, third adapter end; 7334, wire passing slot; 74, third locking member; 75, mounting seat; 751, assembly hole; 76, fourth locking member; 77, fifth locking member; 78, sixth locking member; 791, elastic buckle part; 7911, elastic member; 7912, elastic ball; 7913, first pipe segment; 7914, elastic ball hole; 792, buckle hole; 710, locking connecting member. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] As shown in FIG. 1, the base station of the embodiment of the present application comprises a data center module 01, an external structure 6 and a vertical rod structure 7. The data center module 01 is used to receive satellite signals and calculate correction data. The external structure 6 is arranged on the data center module 01, and the external structure 6 is electrically connected with the data center module 01. Here, the electrical connection means that the data center module 01 and the external structure 6 can directly or indirectly conduct current. The external structure 6 is arranged at one end of the vertical rod structure 7, and the external structure 6 is electrically connected with the vertical rod structure 7. Here, the electrical connection means that the external structure 6 and the vertical rod structure 7 can directly or indirectly conduct current. The vertical rod structure 7 is a conductor, and the vertical rod structure 7 has grounding sites for grounding. The grounding sites can be one or more. The grounding sites can directly contact the ground, or / and the grounding sites can be connected with the ground wire of the external environment to achieve grounding. In this embodiment, the data center module 01 is grounded through the vertical rod structure 7. The grounding sites can directly contact the ground, or / and the grounding sites can be connected with the ground wire of the external environment to achieve the grounding function of the base station. When the base station is struck by lightning, the current is quickly conducted to the ground through the vertical rod structure 7, thereby reducing the potential difference inside the data center module 01 and avoiding the generation of destructive voltage, effectively avoiding the risk of damage to the electrical components such as the circuit board 2 inside the data center module 01 caused by lightning.

[0031] On the other hand, the vertical rod structure 7 can elevate the data center module 01 to ensure better signal receiving and transmitting effects, and ensure that the base station and the mobile station have a better radio transmission path, so that the working distance is farther.

[0032] In order to facilitate the packaging and transportation of the base station, the vertical rod structure 7 can adopt a detachable structure. In some optional embodiments, please refer to FIGS. 1 to 5, the vertical rod structure 7 comprises a joint piece 72, a connecting rod group 73 and a mounting seat 75 which are electrically connected in sequence. Here, the electrical connection means that the joint piece 72, the connecting rod group 73 and the mounting seat 75 can directly or indirectly conduct current.

[0033] The joint piece 72 is arranged on the external structure 6. One end of the connecting rod group 73 is detachably connected with the joint piece 72, and the other end of the connecting rod group 73 is connected with the mounting seat 75. The grounding sites are located on the mounting seat 75 and / or the connecting rod group 73.

[0034] In some optional embodiments, as shown in FIGS. 1, 2 and 4, a sixth locking piece 78 is arranged between the mounting seat 75 and the connecting rod group 73 for locking. Current can pass through the connecting rod group 73, the sixth locking piece 78 and the mounting seat 75 in sequence, and the mounting seat 75 and / or the sixth locking piece 78 are the grounding sites. The sixth locking piece 78 can be but is not limited to a component such as a screw.

[0035] As an optional example, as shown in FIG. 1 and FIG. 2, the bottom surface of the mounting base 75 can serve as a grounding site, and the bottom surface of the mounting base 75 directly contacts the ground to achieve grounding. The current on the data center module 01 can be conducted to the ground in turn through the external structure 6, the connector 72, the connecting rod set 73, and the mounting base 75.

[0036] As another optional example, as shown in FIG. 1, FIG. 2, and FIG. 4, when the sixth locking member 78 serves as a grounding site, the user can connect the sixth locking member 78 with the ground wire in the external environment.

[0037] In order to facilitate the packaging and transportation of the reference station, the vertical rod structure 7 can adopt a multi-section structure. In some optional embodiments, as shown in FIG. 1 to FIG. 4, the connecting rod set 73 includes a first rod body 731, an adapter 733, and a second rod body 732 connected in turn; one end of the first rod body 731 is detachably connected with the connector 72, the other end of the first rod body 731 is detachably connected with one end of the adapter 733, the other end of the adapter 733 is detachably connected with one end of the second rod body 732, and the other end of the second rod body 732 is connected with the mounting base 75. The grounding site is located on the mounting base 75 and / or the second rod body 732. The multi-section vertical rod structure 7 can reduce the packaging volume and reduce the transportation cost. The number of rod bodies in the connecting rod set 73 and the number of adapters 733 can be configured according to actual needs.

[0038] Optionally, different included angles between the first rod body 731 and the second rod body 732 can be suitable for different installation environments. As an example, as shown in FIG. 2, the included angle between the first rod body 731 and the second rod body 732 can be a straight angle, and the entire vertical rod structure 7 presents a straight line state, so that the reference station can be vertically installed on a flat ground such as a lawn; as another example, as shown in FIG. 4, the included angle between the first rod body 731 and the second rod body 732 can be a right angle, and the entire vertical rod structure 7 presents a bending state, so that the reference station can be installed under a wall or an eave. The above is only an example of the installation scene, and can also be applied to other scenes, which will not be described here. The included angle between the first rod body 731 and the second rod body 732 can also be other angles, which will not be described here.

[0039] In order to facilitate the relative fixation of the reference station and the external environment, a plurality of assembly holes 751 can be formed on the mounting base 75, and screws or the like can be assembled in the assembly holes 751 to fix the mounting base 75 with external objects such as lawns.

[0040] In some optional embodiments, the joint piece 72 and the first rod body 731 are locked by a third locking piece 74. The first rod body 731 and the adapter piece 733 are locked by a fourth locking piece 76. The adapter piece 733 and the second rod body 732 are locked by a fifth locking piece 77. The electric current can pass through the joint piece 72, the third locking piece 74, the first rod body 731, the fourth locking piece 76, the adapter piece 733, the fifth locking piece 77 and the second rod body 732 in sequence.

[0041] In order to facilitate the installation and disassembly of the user, in some optional embodiments, please refer to FIG. 1, FIG. 3 and FIG. 6, the joint piece 72 and the first rod body 731 are snap connected. The first rod body 731 and the adapter piece 733 are snap connected. The adapter piece 733 and the second rod body 732 are snap connected.

[0042] As an optional example, as shown in FIG. 3 and FIG. 6, the joint piece 72 and the first rod body 731 are elastically snap connected, the joint piece 72 is provided with a elastic buckle part 791, the first rod body 731 is provided with a buckle hole 792, the elastic buckle part 791 can be buckled into the buckle hole 792 to realize quick insertion. Similarly, the first rod body 731 and the adapter piece 733, the adapter piece 733 and the second rod body 732 can also adopt the above-mentioned elastic snap connection mode, which will not be described here.

[0043] As an optional example, as shown in FIG. 3, FIG. 6 and FIG. 10, the third locking piece 74, the fourth locking piece 76 and the fifth locking piece 77 all include an elastic buckle part 791 and a buckle seat part, the buckle hole 792 is arranged on the buckle seat part; the elastic buckle part 791 and the buckle seat part are linearly and elastically connected. One of the first rod body (731) and the joint piece 72 is provided with the elastic buckle part (791), and the other is provided with the buckle seat part correspondingly; one of the other end of the first rod body (731) and the one end of the joint piece (2) is provided with the elastic buckle part (791), and the other is provided with the buckle seat part correspondingly; one of the other end of the joint piece (2) and the one end of the second rod body 732 is provided with the elastic buckle part (791), and the other is provided with the buckle seat part correspondingly.

[0044] In some optional embodiments, as shown in FIG. 3, FIG. 6, and FIG. 10, the elastic buckle part 791 includes an elastic piece 7911, a ball 7912, and a first pipe segment 7913. The elastic piece 7911 can be elastically deformed, the elastic piece 7911 is arranged in the first pipe segment 7913, the ball 7912 is connected to one end of the elastic piece 7911, the first pipe segment 7913 is provided with a ball hole 7914, the ball 7912 protrudes out of the ball hole 7914, and the elastic piece 7911 pushes the ball 7912 in the direction of the ball hole 7914. The buckle seat part includes a second pipe segment, the second pipe segment is provided with a buckle hole 792, the second pipe segment is sleeved on the outer periphery of the first pipe segment 7913, and the ball 7912 can be buckled into the buckle hole 792.

[0045] For example, when the joint part 72 is provided with the elastic buckle part 791, one end of the joint part 72 connected with the first rod body 731 serves as the first pipe segment 7913, and one end of the first rod body 731 connected with the joint part 72 serves as the second pipe segment.

[0046] The elastic piece 7911 can be, but is not limited to, an elastic component such as a torsion spring or an elastic pressing sheet. For example, the elastic piece 7911 is a torsion spring, the torsion spring is in a U shape, one end of the torsion spring is provided with the ball 7912, and the ball 7912 can be, but is not limited to, a hemispherical shape, a bullet head shape, or a columnar shape.

[0047] In other optional embodiments (not shown in the drawings), the third locking part 74, the fourth locking part 76, and the fifth locking part 77 can also include a buckle part and a clamping groove part. The buckle part includes a third pipe segment and a buckle, the buckle includes a deformation plate and a buckle head arranged at the end of the deformation plate, the deformation plate is arranged on the third pipe segment and can be deformed towards the axial direction under the action of an external force, and the clamping groove part includes a fourth pipe segment, the fourth pipe segment is concavely provided with a clamping groove, and the buckle head can be buckled into the clamping groove.

[0048] Optionally, in order to improve the stability of the vertical rod structure 7, the third locking part 74, the fourth locking part 76, and the fifth locking part 77 can each further include a locking connecting part. The locking connecting part can further fix and improve the stability of the vertical rod structure 7 on the basis of the elastic buckle part 791 and the buckle seat part. This scheme can be selected by the user whether to install or not, and has high freedom. The locking connecting part can be a screw or a bolt.

[0049] In order to facilitate the centralized storage of wire materials such as network cables, in some optional embodiments, as shown in FIG. 1 and FIG. 3, a wire passing channel 70 is formed in the vertical rod structure 7, two ends of the wire passing channel 70 are respectively an inlet 701 and an outlet 702, and the inlet 701 and the outlet 702 are respectively located at two ends of the vertical rod structure 7. The wire materials on the data center module 01 pass into the wire passing channel 70 through the inlet 701 and pass out of the wire passing channel 70 through the outlet 702, so as to facilitate the centralized wiring.

[0050] Optionally, as shown in FIG. 1, the bottom of the mounting seat 75 can be provided with a first hole 7021 as a wire outlet 702. The second rod body 732 can be provided with a second hole 7022 as a wire outlet 702. Different direction wire outlets 702 can be adapted to different installation environments, expanding the environmental adaptation range of the reference station.

[0051] In some optional embodiments, as shown in FIG. 11, the axial two ends of the adapter 733 are respectively a first adapter end 7331 and a second adapter end 7332, and the adapter 733 is further formed with a third adapter end 7333, the third adapter end 7333 has an included angle with the first adapter end 7331, the included angle is one of a right angle, an acute angle and an obtuse angle; the first adapter end 7331, the second adapter end 7332 and the third adapter end 7333 are all used for linear buckle connection with the connecting rod 73; the first adapter end 7331, the second adapter end 7332 and the third adapter end 7333 are internally communicated with each other. The adapter 733 is provided with three adapter ends in different directions, which can facilitate users to adjust the angle between the first rod body 731 and the second rod body 732 according to their own needs, so as to adapt to more installation environments. For example, the number of connecting rods 73 is two, and the number of adapters 733 is one. In this configuration, two installation angles between the first rod body 731 and the second rod body 732 can be achieved.

[0052] In some optional embodiments, as shown in FIG. 4, the vertical rod structure 7 further comprises a cap, the cap is used for linear buckle connection with any one of the first adapter end 7331, the second adapter end 7332 and the third adapter end 7333. The adapter 733 is provided with three adapter ends in different directions, when an adapter end does not participate in connection, the cap can be used to buckle, which can be used for dust and water prevention.

[0053] In some optional embodiments, as shown in FIG. 11, the sidewall of the adapter 733 is provided with a wire passing groove 7334, the wire passing groove 7334 extends towards the first adapter end 7331, the second adapter end 7332 and the third adapter end 7333 until it is connected to the outside. The wire passing groove 7334 is used for placing the external wire into the inside of the adapter 733 after passing through, which facilitates users to connect wires and improves user experience.

[0054] As shown in FIG. 10, in order to facilitate users to connect wires, the joint piece 72 is provided with a wire inlet groove 721, the wire inlet groove 721 extends axially until it is connected to the outside.

[0055] In some optional embodiments, as shown in FIGS. 5 and 6, the external structure 6 comprises an adapter plate 61 and a first locking piece 62, the first locking piece 62 locks the adapter plate 61 to the data center module 01.

[0056] In some optional embodiments, as shown in FIG. 5 and FIG. 6, a second locking member 71 is arranged between the joint member 72 and the adapter plate 61 for locking, and the current can pass through the data center module 01, the first locking member 62, the adapter plate 61, the second locking member 71 and the joint member 72 in sequence.

[0057] In some optional embodiments, as shown in FIG. 6 to FIG. 9, the data center module 01 comprises a housing 1, a circuit board 2 and a conducting member 4, the conducting member 4 is installed on the housing 1, the conducting member 4 is connected to an external structure 6, the circuit board 2 is arranged inside the housing 1, and the circuit board 2, the conducting member 4 and the external structure 6 are electrically connected in sequence. The circuit board 2 can be designed with a lightning protection circuit according to actual needs, for example, a pressure sensitive resistor 21 can be used as a protection design.

[0058] When the reference station is struck by lightning, the current on the circuit board 2 is rapidly conducted to the ground through the conducting member 4, the external structure 6 and the vertical rod structure 7.

[0059] A plurality of antennas 3 can be arranged in the housing 1, and the antennas 3 are electrically connected to the circuit board 2. In order to realize the electrical connection between the circuit board 2 and the conducting member 4, in some optional embodiments, the internal passage structure 5 is arranged between the circuit board 2 and the conducting member 4 for electrical connection; the internal passage structure 5 comprises a first conductive member 51, a wire 52 and a second conductive member 53 connected in sequence; the first conductive member 51 is arranged on the circuit board 2, and the second conductive member 53 is arranged on the conducting member 4. In this way, the overload current on the circuit board 2 when struck by lightning can pass through the first conductive member 51, the wire 52, the second conductive member 53, the conducting member 4, the external structure 6 and then be conducted to the ground by the vertical rod structure 7.

[0060] Optionally, the first conductive member 51 and the second conductive member 53 can be conductive members such as screws, and the wire 52 has prongs at both ends, the first conductive member 51 can detachably press the prong at one end of the wire 52 on the circuit board 2, and the second conductive member 53 can detachably press the prong at the other end of the wire 52 on the conducting member 4, so that the installation and disassembly between the circuit board 2, the internal passage structure 5 and the conducting member 4 can be facilitated.

[0061] The internal passage structure 5 can also use other structures to realize the electrical connection between the circuit board 2 and the conducting member 4, which will not be described here.

[0062] In order to improve the safety performance of the reference station, the conducting member 4 and / or the adapter plate 61 is covered with an insulating layer. On the one hand, it can prevent the user from being stimulated by static electricity generated inside the reference station when touching, thereby improving the safety and stability. On the other hand, when the conducting member 4 and / or the adapter plate 61 is made of metal, the insulating layer can prevent the conducting member 4 and / or the adapter plate 61 from being oxidized and rusted, thereby providing a protection function and prolonging the service life of the reference station. It should be noted that the structure of the electrical connection between the conducting member 4 and / or the adapter plate 61 remains conductive and is not affected by the insulating layer.

[0063] Optionally, the conducting member 4 and / or the adapter plate 61 can be coated with an insulating layer by surface treatment. As an example, the conducting member 4 and / or the adapter plate 61 can be formed by a secondary injection molding process, and the conducting member 4 and / or the adapter plate 61 itself is a metal part, and an outer layer is formed with a plastic layer or a glue layer as an insulating layer.

[0064] As an optional example, the conducting member 4 is formed with a first conductive hole 42 on the side facing the circuit board 2, and the first conductive hole 42 and the second conductive member 53 are detachably installed in the first conductive hole 42, and the hole wall of the first conductive hole 42 is not covered with an insulating layer. The conducting member 4 is formed with a second conductive hole 43 on the side facing the adapter plate 61, and the adapter plate 61 is formed with a tight hole 611 matched with the second conductive hole 43, and the first locking member 62 is detachably assembled in the second conductive hole 43 after passing through the tight hole 611, and the hole wall of the second conductive hole 43 is not covered with an insulating layer. In this way, the relative fixation of the conducting member 4 and the adapter plate 61 is realized, and the electrical conduction between them is realized.

[0065] In order to improve the waterproof performance, the first conductive hole 42 and the second conductive hole 43 are both non-through holes. For example, the first conductive hole 42 and / or the second conductive hole 43 is a blind hole.

[0066] Optionally, as shown in FIG. 6, the outer rim of the tight hole 611 is not covered with an insulating layer, so as to contact and conduct electricity with the second conductive member 53.

[0067] Optionally, the conducting member 4 is a heat conductor for heat dissipation. The conducting member 4 conducts heat to transfer the heat generated by the work of the circuit board 2 and the like inside the shell 1 to the outside, thereby improving the heat dissipation performance of the reference station and preventing overheating from causing the reference station to malfunction.

[0068] In some optional embodiments, as shown in FIG. 6, the conducting member 4 is in the form of a plate, the shell 1 is provided with a conducting member hole 11, and the conducting member 4 is arranged on the conducting member hole 11. One side of the conducting member 4 faces the circuit board 2, and the other side of the conducting member 4 faces the outside. The plate-shaped conducting member 4 can have a similar effect as the shell 1, and the shell 1 cooperates to wrap the circuit board 2 inside to provide protection, while increasing the heat dissipation area of the conducting member 4. The overlapping area of the conducting member 4 and the circuit board 2 increases, and the area of the conducting member 4 exposed to the outside also increases, which is beneficial for heat transfer and effectively enhances the heat dissipation effect without increasing the volume of the base station.

[0069] In some optional embodiments, a plurality of clamping holes 44 are formed on the outer periphery of the conducting member 4, and the conducting member hole 11 is provided with clamping teeth 12 matched with the clamping holes 44, which are buckled into the clamping holes 44.

[0070] In order to further improve the heat dissipation performance of the conducting member 4, in some optional embodiments, a heat dissipation grid 41 is formed on the side of the conducting member 4 facing the outside. The heat dissipation grid 41 can be but is not limited to strip-shaped, lattice-shaped, fin-shaped, etc. The heat dissipation grid 41 can effectively increase the surface area of the side of the conducting member 4 facing the outside, i.e., increase the area for heat exchange with the outside, and effectively improve the heat dissipation effect.

[0071] In some optional embodiments, as shown in FIG. 12, the shell 1 includes a shell body 1a and a cover body 1b which are overlapped with each other along the front-rear direction. The cover body 1b extends along the vertical direction. The cover body 1b can guide the water flow to flow vertically downward. The shell body 1a includes a first vertical wall 11a and a guide wall 12a. The first vertical wall 11a is arranged side by side with the cover body 1b, and the size of the first vertical wall 11a in the vertical direction is smaller than that of the cover body 1b, and the size of the first vertical wall 11a in the left-right direction is smaller than that of the cover body 1b. The outer edge of the first vertical wall 11a extends towards the outer edge of the cover body 1b to form the guide wall 12a. The guide wall 12a gradually narrows towards the first vertical wall 11a.

[0072] In this embodiment, the guide wall 12a can guide the water flow, and the water is concentrated to the first vertical wall 11a. The water flows downward along the first vertical wall 11a and the cover body 1b under the action of gravity, realizing the function of rapid flow guide, which can effectively prevent water accumulation in the shell 1, avoid the situation that the water slowly seeps into the data center module 01 through the gap due to the long-term existence of the water accumulation, optimize the waterproof performance of the data center module 01, and solve the problem of water accumulation in the shell 1 of the data center module 01 in the related art.

[0073] When the user actually installs the data center module 01, he or she may not be able to ensure that the installation is completely vertical, and there may be a certain angle deviation. In this case, the guide wall 12a can still guide the water flow and concentrate the water to the first vertical wall 11a to achieve rapid water flow. The guide wall 12a gradually converges towards the first vertical wall 11a, which can be gradually converging using an arc-shaped curved surface, or gradually converging using an inclined plane, or a combination of the above two, etc.

[0074] In order to provide a guide wall 12a structure with better drainage effect, in some optional embodiments, please refer to FIG. 12 and FIG. 13, the guide wall 12a includes a top guide wall 121a, a first side guide wall 122a, a bottom guide wall 124a and a second side guide wall 123a connected in sequence. The lower edge of the top guide wall 121a is connected to the upper edge of the first vertical wall 11a, and the top guide wall 121a gradually inclines towards the upper edge of the cover 1b, which can quickly drain the water accumulated at the top and prevent water accumulation at the top. The right edge of the first side guide wall 122a is connected to the left edge of the first vertical wall 11a, and the first side guide wall 122a gradually inclines towards the left edge of the cover 1b, which can concentrate the water flow to the left edge of the first vertical wall 11a or the cover 1b to achieve rapid water flow. The left edge of the second side guide wall 123a is connected to the right edge of the first vertical wall 11a, and the second side guide wall 123a gradually inclines towards the right edge of the cover 1b, which can concentrate the water flow to the right edge of the first vertical wall 11a or the cover 1b to achieve rapid water flow. The bottom guide wall 124a is connected to the first vertical wall 11a.

[0075] Optionally, the top guide wall 121a includes a second end surface 1212a, a first end surface 1211a and a third end surface 1213a connected in sequence from left to right. The first end surface 1211a gradually inclines backward in the direction from top to bottom; the second end surface 1212a gradually inclines backward in the direction from top to bottom and gradually inclines upward in the direction from left to right; and the third end surface 1213a gradually inclines backward in the direction from top to bottom and gradually inclines downward in the direction from left to right. The second end surface 1212a, the first end surface 1211a and the third end surface 1213a are used to concentrate the water accumulated at the top of the shell 1 to the first vertical wall 11a.

[0076] In some alternative embodiments, the guide wall 12a further comprises a first longitudinal wall 125a and a second longitudinal wall 126a, both of which are arranged along the vertical direction. The left edge of the first side guide wall 122a extends towards the left edge of the cover 1b, forming the first longitudinal wall 125a. The right edge of the second side guide wall 123a extends towards the right edge of the cover 1b, forming the second longitudinal wall 126a. The top of the first longitudinal wall 125a extends towards the upper right, forming a seventh end face 1251a, which is connected with the second end face 1212a, and can guide the water flow to the first longitudinal wall 125a and then flow downward along it to quickly drain water. The top of the second longitudinal wall 126a extends towards the upper left, forming an eighth end face 1252a, which is connected with the third end face 1213a, and can guide the water flow to the second longitudinal wall 126a and then flow downward along it to quickly drain water. The top left end of the cover 1b is formed with a first chamfer 14b, and the top right end is formed with a second chamfer 15b, the first chamfer 14b is aligned with the front edge of the seventh end face 1251a, and the second chamfer 15b is aligned with the front edge of the eighth end face 1252a.

[0077] In some alternative embodiments, the bottom guide wall 124a comprises a fifth end face 1242a, a fourth end face 1241a and a sixth end face 1243a connected in sequence from left to right. The fourth end face 1241a is connected with the lower edge of the first vertical wall 11a; the fifth end face 1242a gradually inclines downward in the left-to-right direction; and the sixth end face 1243a gradually inclines upward in the left-to-right direction. The bottom left end of the cover 1b is formed with a third chamfer 16b, and the bottom right end is formed with a fourth chamfer 17b, the third chamfer 16b is aligned with the front edge of the fifth end face 1242a, and the fourth chamfer 17b is aligned with the front edge of the sixth end face 1243a. The fifth end face 1242a and the sixth end face 1243a are used to guide the water flow on both sides of the shell 1 to the fourth end face 1241a, so that the water drops downward along it.

[0078] In order to facilitate user installation, the first longitudinal wall 125a and the second longitudinal wall 126a are recessed towards the inside of the shell 1a, forming a recessed portion 13a, which can be used as a force application site for the user to hold or hold with a tool.

[0079] In order to minimize the volume of the shell 1 while meeting the internal component assembly space, in some alternative embodiments, the guide wall 12a is outwardly convex to form a first accommodating cavity wall 131, which smoothly transitions with the guide wall 12a and internally forms a first accommodating cavity 151 for accommodating the antenna 3. This smooth transition design is conducive to flow guiding.

[0080] The number of accommodating cavity walls can be set according to the number of antennas required by the data center module 01, for example, three: the first accommodating cavity wall 131 is located at the top of the guide wall 12a, the second accommodating cavity wall 132 is located at the left side of the guide wall 12a, and the third accommodating cavity wall 133 is located at the right side of the guide wall 12a. The first accommodating cavity 151, the second accommodating cavity 152, and the third accommodating cavity 153 are all equipped with antennas 3. The first accommodating cavity wall 131 includes a first arc-shaped side wall 1311 and a first top wall 1312, the first arc-shaped side wall 1311 extends in an arc shape along the horizontal direction, and the first top wall 1312 is arranged at the top thereof, both of which wrap to form the first accommodating cavity 151. The first top wall 1312 gradually inclines downward in the front-to-back direction, facilitating the flow of water to the middle position of the first arc-shaped side wall 1311, achieving rapid flow guiding. The second accommodating cavity wall 132 includes a second arc-shaped side wall 1321 formed in the first side guide wall 122a and extending in an arc shape along the vertical direction, and is connected to the first longitudinal wall 125a on the left side. The third accommodating cavity wall 133 includes a third arc-shaped side wall 1331 formed in the second side guide wall 123a and extending in an arc shape along the vertical direction, and is connected to the second longitudinal wall 126a on the right side. The cover 1b includes a second vertical wall 11b, the left end of which extends to form a ninth end face 12b, and the right end of which extends to form a tenth end face 13b. The ninth end face 12b gradually inclines forward in the left-to-right direction, and the tenth end face 13b gradually inclines backward, for guiding water to the edges of the cover 1b on both sides and dripping. A first sealing ring 14 can be arranged between the shell 1a and the cover 1b to improve the waterproof performance. A male buckle 15a is arranged on the outer ring of the shell 1a, a female buckle 18b is arranged on the outer ring of the cover 1b, the male buckle 15a is buckled into the female buckle 18b, and the first sealing ring 14 is pressed between the two to improve the sealing performance. A screw hole is arranged on the shell 1a, and the hole wall is an inclined hole wall 14a inclined downward to prevent water from entering the data center module 01 through the screw hole.

[0081] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the preferred embodiment has been disclosed as above, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the technical solution of the present application, and any simple modification, equivalent change and modification of the above embodiment based on the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A reference station, wherein: The utility model provides a data center module (01), external structure (6) and pole structure (7) including, external structure (6) sets up on data center module (01), external structure (6) with data center module (01) electric connection, external structure (6) sets up in one end of pole structure (7), external structure (6) with pole structure (7) electric connection, pole structure (7) is conductor, pole structure (7) has ground point, and ground point is used for grounding.

2. The reference station of claim 1, wherein: The pole structure (7) includes a connector piece (72), a connecting rod group (73), and a mounting seat (75) connected in sequence; the connector piece (72) is arranged on the external structure (6); one end of the connecting rod group (73) is detachably connected with the connector piece (72), and the other end of the connecting rod group (73) is connected with the mounting seat (75); and the grounding point is located on the mounting seat (75) and / or the connecting rod group (73).

3. The reference station of claim 2, wherein: A sixth locking piece (78) is arranged between the mounting seat (75) and the connecting rod group (73) to lock, and current can pass through the connecting rod group (73), the sixth locking piece (78), and the mounting seat (75) in sequence, and the mounting seat (75) and / or the sixth locking piece (78) are the grounding point.

4. The reference station of claim 2, wherein: The connecting rod group (73) includes a first rod body (731), an adapter (733), and a second rod body (732) connected in sequence; one end of the first rod body (731) is detachably connected with the connector piece (72), the other end of the first rod body (731) is detachably connected with one end of the adapter (733), the other end of the adapter (733) is detachably connected with one end of the second rod body (732), and the other end of the second rod body (732) is connected with the mounting seat (75); and the grounding point is located on the mounting seat (75) and / or the second rod body (732).

5. The reference station of claim 4, wherein: A third locking piece (74) is arranged between the connector piece (72) and the first rod body (731) to lock; a fourth locking piece (76) is arranged between the first rod body (731) and the adapter (733) to lock; a fifth locking piece (77) is arranged between the adapter (733) and the second rod body (732) to lock; and current can pass through the connector piece (72), the third locking piece (74), the first rod body (731), the fourth locking piece (76), the adapter (733), the fifth locking piece (77), and the second rod body (732) in sequence.

6. The reference station of claim 5, wherein: The connector piece (72) and the first rod body (731) are snap-connected; the first rod body (731) and the adapter (733) are snap-connected; and the adapter (733) and the second rod body (732) are snap-connected.

7. The reference station of claim 6, wherein: The third locking piece (74), the fourth locking piece (76) and the fifth locking piece (77) each comprise a elastic buckle part (791) and a buckle seat part, the elastic buckle part (791) and the buckle seat part are linearly and elastically clamped; one end of the first rod body (731) and one of the joint pieces (72) are provided with the elastic buckle part (791), and the other one is correspondingly provided with the buckle seat part; one of the other end of the first rod body (731) and one end of the joint piece (2) is provided with the elastic buckle part (791), and the other one is correspondingly provided with the buckle seat part; one of the other end of the joint piece (2) and one end of the second rod body (732) is provided with the elastic buckle part (791), and the other one is correspondingly provided with the buckle seat part.

8. The reference station of claim 7, wherein: The elastic buckle part (791) comprises an elastic piece (7911), a ball (7912) and a first pipe segment (7913); the elastic piece (7911) can be elastically deformed, the elastic piece (7911) is arranged in the first pipe segment (7913), the ball (7912) is connected to one end of the elastic piece (7911), the first pipe segment (7913) is provided with a ball hole (7914), the ball (7912) protrudes from the ball hole (7914), and the elastic piece (7911) pushes the ball (7912) in the direction of the ball hole (7914); the buckle seat part comprises a second pipe segment, the second pipe segment is provided with a buckle hole 792, the second pipe segment is sleeved on the outer periphery of the first pipe segment (7913), and the ball (7912) can be buckled into the buckle hole 792.

9. The reference station of claim 1, wherein: The vertical rod structure (7) is formed with a wire passing channel (70), two ends of the wire passing channel (70) are respectively an inlet (701) and an outlet (702), and the inlet (701) and the outlet (702) are respectively located at two ends of the vertical rod structure (7).

10. The reference station of claim 4, wherein: The two axial ends of the adapter piece (733) are respectively a first adapter end (41) and a second adapter end (42), and the adapter piece (733) is further formed with a third adapter end (43), the third adapter end (43) and the first adapter end (41) have an included angle, the included angle is one of a right angle, an acute angle and an obtuse angle, the first adapter end (41), the second adapter end (42) and the third adapter end (43) are used for linearly and bucklingly connecting with the first rod body (731) and the second rod body (732), and the first adapter end (41), the second adapter end (42) and the third adapter end (43) are internally and mutually communicated.

11. The reference station of claim 10, wherein: The side wall of the adapter piece (733) is provided with a wire passing groove (44), the wire passing groove (44) extends to the outside world in three directions of the first adapter end (41), the second adapter end (42) and the third adapter end (43).

12. The reference station of claim 2, wherein: The external connection structure (6) comprises an adapter plate (61) and a first locking piece (62), and the first locking piece (62) locks the adapter plate (61) to the data center module (01).

13. The reference station of claim 12, wherein: The second locking piece (71) is arranged between the joint piece (72) and the adapter plate (61) to lock, and current can pass through the data center module (01), the first locking piece (62), the adapter plate (61), the second locking piece (71) and the joint piece (72) in sequence.

14. The reference station of claim 1, wherein: The data center module (01) comprises a shell (1), a circuit board (2) and a conducting piece (4); the conducting piece (4) is installed on the shell (1), the conducting piece (4) is connected with the external structure (6), the circuit board (2) is arranged inside the shell (1), and the circuit board (2), the conducting piece (4) and the external structure (6) are sequentially and electrically connected.

15. The reference station of claim 14, wherein: The shell (1) comprises a shell body (1a) and a cover body (1b) which are overlapped with each other along the front-rear direction; the cover body (1b) extends along the vertical direction; the shell body (1a) comprises a first vertical wall (11a) and a guide wall (12a), the first vertical wall (11a) is side by side with the cover body (1b), the size of the first vertical wall (11a) in the vertical direction is smaller than that of the cover body (1b), and the size of the first vertical wall (11a) in the left-right direction is smaller than that of the cover body (1b); the outer edge of the first vertical wall (11a) extends towards the outer edge of the cover body (1b) to form the guide wall (12a); the guide wall (12a) gradually narrows towards the first vertical wall (11a); the antenna (3) passes through the guide wall (12a) and protrudes to the outside.

16. The reference station of claim 15, wherein: The first accommodating cavity wall (131) is outwardly protruded on the guide wall (12a), the first accommodating cavity wall (131) is smoothly connected with the guide wall (12a), a first accommodating cavity (151) is formed in the first accommodating cavity wall (131); the first accommodating cavity wall (131) comprises a first arc-shaped side wall (1311) and a first top wall (1312); the first arc-shaped side wall (1311) extends in an arc shape along the horizontal direction, the first top wall (1312) is arranged at the top of the first arc-shaped side wall (1311), and the first top wall (1312) and the first arc-shaped side wall (1311) wrap to form the first accommodating cavity (151); the first top wall (1312) gradually inclines downward in the front-rear direction.

17. The reference station of claim 15, wherein: The guide wall (12a) comprises a top guide wall (121a), a first side guide wall (122a), a bottom guide wall (124a) and a second side guide wall (123a) connected in sequence; the lower edge of the top guide wall (121a) is connected to the upper edge of the first vertical wall (11a), and the top guide wall (121a) gradually inclines towards the upper edge of the cover body (1b); the right edge of the first side guide wall (122a) is connected to the left edge of the first vertical wall (11a), and the first side guide wall (122a) gradually inclines towards the left edge of the cover body (1b); the left edge of the second side guide wall (123a) is connected to the right edge of the first vertical wall (11a), and the second side guide wall (123a) gradually inclines towards the right edge of the cover body (1b); and the bottom guide wall (124a) is connected to the first vertical wall (11a).

18. The reference station of claim 17, wherein: The top guide wall (121a) comprises a second end surface (1212a), a first end surface (1211a) and a third end surface (1213a) connected in sequence from left to right; the first end surface (1211a) gradually inclines backward in the direction from top to bottom; The second end surface (1212a) gradually inclines backward in the direction from top to bottom, and gradually inclines upward in the direction from left to right; The third end surface (1213a) gradually inclines backward in the direction from top to bottom, and gradually inclines downward in the direction from left to right.

19. The reference station of claim 18, wherein: The guide wall (12a) further comprises a first longitudinal wall (125a) and a second longitudinal wall (126a); the left edge of the first side guide wall (122a) extends towards the left edge of the cover body (1b) to form the first longitudinal wall (125a); the right edge of the second side guide wall (123a) extends towards the right edge of the cover body (1b) to form the second longitudinal wall (126a); the top of the first longitudinal wall (125a) extends to the right and upward to form a seventh end surface (1251a), and the seventh end surface (1251a) is connected to the second end surface (1212a); and the top of the second longitudinal wall (126a) extends to the left and upward to form an eighth end surface (1252a), and the eighth end surface (1252a) is connected to the third end surface (1213a); The top left end of the cover body (1b) is formed with a first cut corner (14b), the top right end of the cover body (1b) is formed with a second cut corner (15b), the first cut corner (14b) is aligned with the front edge of the seventh end face (1251a), and the second cut corner (15b) is aligned with the front edge of the eighth end face (1252a); the bottom guide wall (124a) comprises a fifth end face (1242a), a fourth end face (1241a) and a sixth end face (1243a) connected in sequence from left to right; the fourth end face (1241a) is connected with the lower edge of the first vertical wall (11a); the fifth end face (1242a) gradually inclines downward in the left-to-right direction; and the sixth end face (1243a) gradually inclines upward in the left-to-right direction. The bottom left end of the cover body (1b) is formed with a third cut corner (16b), the bottom right end of the cover body (1b) is formed with a fourth cut corner (17b), the third cut corner (16b) is aligned with the front edge of the fifth end face (1242a), and the fourth cut corner (17b) is aligned with the front edge of the sixth end face (1243a); the first longitudinal wall (125a) and the second longitudinal wall (126a) are recessed towards the inside of the shell (1a), forming a recessed portion (13a).

20. The reference station of claim 15, wherein: The cover body (1b) comprises a second vertical wall (11b), the second vertical wall (11b) extends towards the left edge of the shell (1a) to form a ninth end face (12b), and the second vertical wall (11b) extends towards the right edge of the shell (1a) to form a tenth end face (13b); The ninth end face (12b) gradually inclines forward in the left-to-right direction; The tenth end face (13b) gradually inclines backward in the left-to-right direction. The ninth end face (12b) gradually inclines forward in the left-to-right direction; The tenth end face (13b) gradually inclines backward in the left-to-right direction.

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