Miniature wireless repeater

Abstract

The utility model discloses a miniature wireless repeater, comprising a protection assembly which comprises a main shell and auxiliary shells at the left and right sides, the auxiliary shells are movably connected with the main shell through a sliding assembly, the side plates of the auxiliary shells are attached to the inner side plates of the main shell to slide, and the auxiliary shells are connected with the main shell through the sliding assembly; the bottom plate of the auxiliary shell slides in the bottom plate of the main shell, a positioning plate is arranged under the bottom of the main shell, and a fixing plate is fixedly installed at the end, away from the main shell, of the bottom of the auxiliary shell. According to the utility model, through the arrangement of the protection assembly, the secondary shells at the two sides stably and synchronously extend out of the expansion space or retract inwards relative to the main shell for storage, and the internal volume jointly formed by the main shell and the secondary shells at the two sides is obviously increased in the expansion process; a sufficient and flexible space is provided for installing more electrical elements, optimizing layout or upgrading in the future, and the limitation of a fixed shell is thoroughly eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless communication technical field especially relates to a miniature wireless repeater. BACKGROUND

[0002] The miniature wireless repeater is a kind of miniaturized wireless signal enhancement equipment, it can receive weak radio signal from base station or existing signal source, after internal amplification and processing, retransmit again, to effectively expand signal coverage, improve signal quality and call stability.It is small in size, installation is flexible, especially suitable for signal blind area or weak coverage area in building interior, underground garage, elevator etc., provide more reliable, more clear wireless communication experience for user.

[0003] At present, miniature wireless repeater is widely used in signal coverage insufficient scene, for example, building interior, underground garage or elevator area, in the prior art, for example, the patent with publication number CN220985672U proposes a miniature wireless repeater with heat dissipation mechanism, solves the heat dissipation problem caused by long-time operation of equipment by fan, baffle and dust-retaining inclined plate etc.assemblies, avoids the case of damaging equipment due to high temperature, however, the scheme also has obvious limitations: the protective shell is fixed structure, cannot adjust internal space according to actual demand;At the same time, due to the addition of fan, baffle etc.assemblies, the internal space of shell is further compressed, leading to the installation of electrical components is relatively compact, this design is in need of increasing or replacing electrical components, it is difficult to meet the needs, lacks flexibility and expansibility, thereby limits the application scene and future upgrade potential of equipment. UTILITY MODEL CONTENTS

[0004] One purpose of the utility model is to propose a miniature wireless repeater, the utility model is to solve the problem that the prior art in the above background proposes, for example, the patent with publication number CN220985672U proposes a miniature wireless repeater with heat dissipation mechanism, solves the heat dissipation problem caused by long-time operation of equipment by fan, baffle and dust-retaining inclined plate etc.assemblies, avoids the case of damaging equipment due to high temperature, however, the scheme also has obvious limitations: the protective shell is fixed structure, cannot adjust internal space according to actual demand;At the same time, due to the addition of fan, baffle etc.assemblies, the internal space of shell is further compressed, leading to the installation of electrical components is relatively compact, this design is in need of increasing or replacing electrical components, it is difficult to meet the needs, lacks flexibility and expansibility, thereby limits the application scene and future upgrade potential of equipment.

[0005] According to the utility model embodiment, a miniature wireless repeater comprises:

[0006] The protective assembly comprises a main shell and left and right auxiliary shells, the auxiliary shells are connected with the main shell through a sliding assembly to achieve movable connection, the side plates of the auxiliary shells slide on the inner side plates of the main shell, the bottom plates of the auxiliary shells slide inside the bottom plate of the main shell, a positioning plate is arranged below the bottom of the main shell, a fixed plate is fixedly installed at the end of the bottom of the auxiliary shell away from the main shell, the auxiliary shells are connected with the positioning plate and the fixed plate through a driving assembly to achieve expandable or storable internal space, and guide assemblies are installed at the bottoms of the main shell and the auxiliary shells;

[0007] The heat dissipation assembly is installed inside and above the main shell and the auxiliary shell of the protective assembly to achieve cooling and heat dissipation.

[0008] The mounting base is installed at the bottom of the fixed plate of the protective assembly to facilitate adjustment of the direction of the whole device.

[0009] Preferably, the sliding assembly comprises symmetrical sliding rails fixed to the top of the auxiliary shell and guide grooves corresponding to the sliding rails and arranged above the inside of the main shell, the sliding rails and the guide grooves are matched and are provided with sliding structures.

[0010] Preferably, the auxiliary shell is provided with a main cabinet door at one side through a hinge, a vice cabinet door is movably arranged at one end of the main cabinet door, and a handle is fixedly installed at one side of the vice cabinet door.

[0011] Preferably, magnetic stones are fixedly installed at the front and rear ends of the vice cabinet door to be fixed by the magnetic stones when the vice cabinet door is retracted into the main cabinet door, and the two vice cabinet doors are fixed by the magnetic stones when the two vice cabinet doors are closed.

[0012] Preferably, the guide assembly comprises a circular guide frame fixed above the positioning plate through a fixed column, a rotating arm is rotatably arranged outside the fixed column between the positioning plate and the circular guide frame, triangular grooves are arranged at the top of the inner and outer layers of the circular guide frame, a limiting cylinder and a rotating shaft are fixedly arranged at the top of the rotating arm on both sides, a gear disc is arranged above the circular guide frame, cross limiting columns movably connected inside the limiting cylinder are fixedly arranged on one side of the bottom of the gear disc, ball head columns fixed at the bottom of the gear disc are movably arranged at the top of the inner and outer layers of the circular guide frame, an L-shaped push-pull rod is rotatably arranged between the rotating shaft and the fixed plate, the fixed plate is connected with the gear disc through a driving assembly to realize relative movement of the left and right auxiliary shells, and a limiting ring of the limiting gear disc is fixedly arranged at the top of the bottom plate of the main shell.

[0013] Preferably, the driving assembly comprises a turbine rod engaged above the outer side of the gear disc, the turbine rod is fixed to the output end of a servo motor, and the servo motor is fixed to the inside of the main shell to realize engagement and transmission of the gear disc and the turbine rod at all times.

[0014] Preferably, the heat dissipation assembly comprises a fan box fixed to the top of the inside of the main shell and the auxiliary shell, and a heat dissipation groove is opened on the side of the inside of the shell and the auxiliary shell, and the outside of the heat dissipation groove is provided with a louver, and the top of the inside of the auxiliary shell is provided with a avoiding groove matched with the fan box.

[0015] Preferably, the guide assembly comprises guide rods fixed to the bottom of the two sides of the auxiliary shell, and guide seats fixedly arranged on the bottom of the two sides of the main shell, and the guide rods are movably arranged in the guide seats.

[0016] The utility model discloses beneficial effect is:

[0017] 1, the utility model discloses a protection assembly is set up, effectively avoided the existing miniature wireless repeater protection shell for fixed structure, internal space can not be adjusted, electrical element installation compact and difficult to expand problem, when needing to increase internal space to accommodate more elements or improve the heat dissipation condition when using, servo motor starts drive turbine rod rotation, drive the gear disc rotation with its meshing, the cross -limiting column of gear disc bottom moves in the limiting cylinder and pushes the swing arm to rotate with its bottom fixed column as the center, the ball -head column of gear disc bottom slides in the triangular groove top of circular guide frame to stabilize the movement track, when the swing arm rotates, the rotating shaft of its top pulls or pushes the L -shaped push -pull rod connected with it, and then drives the fixed plate fixed to the bottom of the auxiliary shell to move, and the auxiliary shell of left and right sides is driven under the push -pull rod, and the slide rail of its top slides in the guide groove of the main shell, and the side plate of auxiliary shell slides in the inside of main shell, and the bottom plate slides in the inside of the bottom plate of main shell, and the guide rod of auxiliary shell bottom is guided in the guide seat of the bottom of main shell, so that the two -sided auxiliary shell stably, synchronously to the main shell outwardly extends the expansion space or inwards shrinks and is accomodated, and this expansion process significantly increases the internal volume formed by the main shell and the two -sided auxiliary shell, and provides sufficient and flexible space for installing more electrical elements, optimizing layout or future upgrading, and completely gets rid of the limitation of fixed shell;

[0018] 2, the utility model discloses a heat dissipation assembly is set up, effectively avoid the existing miniature wireless repeater because of the compact internal space, the heat dissipation assembly occupies the space big and leads to the poor ventilation cooling effect, the equipment is easy to heat damage problem, when using, the radiating groove is set up in the side of the main casing and the vice casing that has stretched out in the extension state, the outside covers the louver dustproof, the fan case is fixedly installed in the upper area inside the main casing and the vice casing, when the equipment is running, the fan case works and produces the airflow, this airflow flows through the heating element inside the equipment, takes away the heat, and the hot air is effectively discharged outside the equipment through the radiating groove and the louver in the high place of the extension rear casing side, and then the external cold air is inhaled through the louver, and the cold air enters the equipment inside through the radiating groove, absorbs heat after contacting the electrical element that heats, not only can the heat inside the equipment be in time dissipated, reduces the equipment temperature, prevents the equipment damage due to high temperature, improves the stability and service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application. In the drawings:

[0020] Figure 1 It is a three-dimensional structure schematic view of one side of the miniature wireless repeater proposed in the utility model;

[0021] Figure 2 It is a three-dimensional structure schematic view of the other side of the miniature wireless repeater proposed in the utility model;

[0022] Figure 3 It is a heat dissipation assembly structure schematic view of the miniature wireless repeater proposed in the utility model;

[0023] Figure 4 It is a turbine rod structure schematic view of the miniature wireless repeater proposed in the utility model;

[0024] Figure 5 It is a triangular groove structure schematic view of the miniature wireless repeater proposed in the utility model;

[0025] Figure 6 It is a circular guide frame structure schematic view of the miniature wireless repeater proposed in the utility model;

[0026] In the figure: 1, protection assembly; 101, main shell; 102, auxiliary shell; 103, guide groove; 104, slide rail; 105, main cabinet door; 106, hinge; 107, auxiliary cabinet door; 108, handle; 109, magnetic stone; 110, positioning plate; 111, fixed plate; 112, fixed column; 113, circular guide frame; 114, rotating arm; 115, triangular groove; 116, limiting cylinder; 117, rotating shaft; 118, cross limiting column; 119, toothed disc; 120, L-shaped push-pull rod; 121, guide rod; 122, guide seat; 123, turbine rod; 124, servo motor; 125, limiting ring; 126, ball head column; 2, heat dissipation assembly; 201, heat dissipation groove; 202, louver; 203, fan box; 204, avoidance groove; 3, mounting base. DETAILED DESCRIPTION

[0027] The utility model will be explained further in detail now in combination with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic way, therefore, it only shows the structure related to the utility model.

[0028] Reference Figures 1-6 A miniature wireless repeater, comprising:

[0029] The protection assembly 1 includes a main shell 101 and left and right side auxiliary shells 102, the auxiliary shell 102 is connected with the main shell 101 through a sliding assembly to realize movable connection, the sliding assembly includes symmetrical sliding rails 104 fixed on the top of the auxiliary shell 102, and a guide groove 103 corresponding to the sliding rail 104 is arranged on the upper side of the main shell 101, the sliding rail 104 and the guide groove 103 are matched and are arranged in sliding mode, the side plate of the auxiliary shell 102 is slid on the inner side plate of the main shell 101, the bottom plate of the auxiliary shell 102 is slid on the bottom plate of the main shell 101, a positioning plate 110 is arranged below the bottom of the main shell 101, a fixed plate 111 is fixedly arranged on the end of the bottom of the auxiliary shell 102 away from the main shell 101, the auxiliary shell 102 is connected with the positioning plate 110 and the fixed plate 111 through a driving assembly to realize expansion or storage of the internal space, the guide assembly includes a circular guide frame 113 fixed on the positioning plate 110 through a fixed column 112, a rotating arm 114 is rotatably arranged on the outer side of the fixed column and located between the positioning plate 110 and the circular guide frame 113, triangular grooves 115 are arranged on the top of the inner and outer layers of the circular guide frame 113, a limiting cylinder 116 and a rotating shaft 117 are fixedly arranged on the top of the rotating arm 114, a gear disc 119 is arranged above the circular guide frame 113, cross limiting columns 118 are fixedly arranged on the bottom of the gear disc 119 and symmetrically located in the limiting cylinder 116, two ball head columns 126 fixed on the bottom of the gear disc 119 are movably arranged on the top of the inner and outer layers of the circular guide frame 113, an L-shaped push-pull rod 120 is rotatably arranged between the rotating shaft 117 and the fixed plate 111, the fixed plate 111 is connected with the gear disc 119 through a driving assembly to realize relative movement of the two auxiliary shells 102, a limiting ring 125 for limiting the gear disc 119 is fixedly arranged on the top of the bottom plate of the main shell 101, the driving assembly includes a turbine rod 123 engaged with the upper side of the outer side of the gear disc 119, the turbine rod 123 is fixed on the output end of a servo motor 124, the servo motor 124 is fixed on the inside of the main shell 101, and the servo motor 124 is used for realizing engagement and transmission between the gear disc 119 and the turbine rod 123 at all times, and the guide assembly is arranged on the bottom of the main shell 101 and the auxiliary shell 102.

[0030] When it is necessary to increase the internal space to accommodate more elements or to improve the heat dissipation conditions, the servo motor 124 starts to drive the turbine rod 123 to rotate, which drives the gear disc 119 engaged therewith to rotate, the cross limiting column 118 at the bottom of the gear disc 119 moves in the limiting cylinder 116 and pushes the rotating arm 114 to rotate around the fixed column at the bottom of the rotating arm 114, at the same time, the ball head column 126 at the bottom of the gear disc 119 slides in the triangular groove 115 at the top of the circular guide frame 113 to stabilize the movement track, when the rotating arm 114 rotates, the rotating shaft 117 at the top of the rotating arm 114 pulls or pushes the L-shaped push-pull rod 120 connected therewith, which in turn drives the fixed plate 111 fixed to the bottom of the secondary housing 102 to move, the secondary housing 102 on the left and right sides slides in the guide groove 103 of the main housing 101 through the sliding rails 104 at the top of the secondary housing 102 under the drive of the push-pull rod, at the same time, the side plate of the secondary housing 102 slides against the inner side of the main housing 101, the bottom plate slides inside the bottom plate of the main housing 101, and is guided by the guide rod 121 at the bottom of the secondary housing 102 in the guide seat 122 at the bottom of the main housing 101, so as to realize the stable and synchronous extension or contraction of the secondary housing 102 relative to the main housing 101, which significantly increases the internal volume formed by the main housing 101 and the secondary housing 102 on both sides.

[0031] The heat dissipation assembly 2 is installed on the top inside of the main housing 101 and the secondary housing 102 in the protection assembly 1, and is used to realize heat dissipation, the heat dissipation assembly 2 comprises a fan box 203 fixed to the top inside of the main housing 101 and the secondary housing 102, and a heat dissipation groove 201 opened on the side of the main housing 101 and the secondary housing 102, and a louver 202 is installed on the outside of the heat dissipation groove 201, and an avoiding groove 204 is opened on the top inside of the secondary housing 102 and is matched with the fan box 203.

[0032] In use, the heat dissipation groove 201 is opened on the side of the main housing 101 and the extended secondary housing 102 in the expanded state, and the outside is covered with the louver 202 to prevent dust, and the fan box 203 is fixedly installed on the top inside of the main housing 101 and the secondary housing 102, when the device is running, the fan box 203 works to generate airflow, the airflow flows through the heating elements inside the device to take away the heat, the hot air is effectively discharged outside the device through the heat dissipation groove 201 and the louver 202 at the high position of the side of the expanded housing, and the external cold air is sucked in through the louver 202, and the cold air enters the inside of the device through the heat dissipation groove 201, absorbs heat after contacting the heating electrical elements, which not only can dissipate the heat inside the device in time, reduce the temperature of the device, and prevent the damage of the device caused by high temperature.

[0033] The installation base 3 is installed on the bottom of the fixed plate 111 in the protection assembly 1, and is used to realize the adjustment of the direction of the whole device.

[0034] In the embodiment 1, the main cabinet door 105 is provided on one side of the auxiliary cabinet 102 by the hinge 106, one end of the main cabinet door 105 is movably provided with the auxiliary cabinet door 107, one side of the auxiliary cabinet door 107 is fixedly provided with the handle 108, and the front and rear ends of the auxiliary cabinet door 107 are both fixedly provided with the magnetic stones 109, which are used to fix the auxiliary cabinet door 107 when it is retracted into the main cabinet door 105. When the two auxiliary cabinet doors 107 are closed, they are fixed by the magnetic stones 109. When the auxiliary cabinet 102 needs to be retracted inward, the auxiliary cabinet door 107 can be retracted into the internal recess of the main cabinet door 105. At this time, the magnetic stones 109 will attract each other, firmly fixing the auxiliary cabinet door 107 in the main cabinet door 105, preventing it from accidentally popping out. When the two auxiliary cabinet doors 107 are opened and closed outward, the magnetic stones 109 between them can also attract each other, achieving automatic attraction and fixation, enhancing the overall sealing and safety of the equipment.

[0035] In the embodiment 2, the guide assembly includes guide rods 121 fixed on the bottom of the auxiliary cabinet 102, and guide seats 122 fixed on the bottom of the main cabinet 101. The guide rods 121 are movably arranged inside the guide seats 122, so that when the driving assembly drives the auxiliary cabinet 102 to move horizontally, the guide rods 121 are accurately guided and limited in the guide seats 122, effectively preventing the auxiliary cabinet 102 from tilting, shaking or deviating from the predetermined track during sliding, ensuring that the auxiliary cabinet 102 can smoothly slide in the main cabinet 101, thereby ensuring the accuracy and stability of the internal space expansion and retraction of the protection assembly.

[0036] Working principle: when the internal space of the micro wireless repeater needs to be adjusted, first start the servo motor 124, the output end of the servo motor 124 drives the turbine rod 123 to rotate, the turbine rod 123 is engaged with the toothed disc 119, so the rotation of the turbine rod 123 drives the toothed disc 119 to rotate, when the toothed disc 119 rotates, the two symmetrical cross limiting columns 118 at the bottom are movable in the limiting cylinder 116, push the rotating arm 114 to rotate around the fixed column at the bottom, at the same time, the two ball head columns 126 fixed at the bottom of the toothed disc 119 slide in the triangular groove 115 at the top of the inner and outer layers of the circular guide frame 113, ensure the stable movement track of the rotating arm 114, when the rotating arm 114 rotates, the rotating shaft 117 at the top pulls or pushes the L-shaped push-pull rod 120 connected with it, the other end of the L-shaped push-pull rod 120 is rotatably connected with the fixed plate 111, so the movement of the L-shaped push-pull rod 120 drives the fixed plate 111 to move, the fixed plate 111 is fixed at the end of the bottom of the secondary shell 102 away from the main shell 101, so the movement of the fixed plate 111 drives the secondary shell 102 to move as a whole, the slide rail 104 at the top of the secondary shell 102 slides in the guide groove 103 inside and above the main shell 101, at the same time, the side plate of the secondary shell 102 slides with the inner side plate of the main shell 101, the bottom plate slides in the bottom plate inside the main shell 101, the guide rod 121 at the bottom of the secondary shell 102 moves in the guide seat 122 at the bottom of the main shell 101, ensure the stable sliding of the secondary shell 102 and prevent it from deviating from the track, in this way, the secondary shell 102 on the left and right sides can stably and synchronously extend outward relative to the main shell 101 to expand the space or shrink inward to be stored, when the secondary shell 102 extends outward, the internal space between the main shell 101 and the secondary shell 102 increases, the fan box 203 in the heat dissipation assembly 2 can work more effectively, the airflow generated by the fan box 203 flows through the heating elements inside the equipment, carries away the heat, the hot air is discharged outside the equipment through the heat dissipation slot 201 and the louvers 202 on the side of the shell, at the same time, the external cold air enters the equipment through the louvers 202 and the heat dissipation slot 201, absorbs heat after contacting the heating elements, realizes cooling and heat dissipation, the mounting base 3 is fixed on the fixed plate 111 at the bottom of the secondary shell 102, for the convenience of adjusting the direction of the whole equipment, by adjusting the mounting base 3, the stability and reliability of the equipment in different installation environments can be ensured, therefore, the device not only optimizes the layout and increases the flexible space, but also reduces the temperature of the equipment, prevents the problem of equipment damage caused by high temperature.

[0037] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A micro wireless repeater, characterized by, Include: Protective components (1), including main shell (101) and left and right side of the sub-housing (102), the sub-housing (102) is connected to the main shell (101) through the sliding assembly to achieve active connection, the side plate of the sub-housing (102) is attached to the inner side plate of the main shell (101) sliding, the bottom plate of the sub-housing (102) is located inside the bottom plate of the main shell (101) sliding, the main shell (101) is provided with a positioning plate (110) below, the end of the sub-housing (102) away from the main shell (101) is fixedly installed with a fixed plate (111), the sub-housing (102) is connected with the positioning plate (110) and the fixed plate (111) through the driving assembly to realize the internal space expandable or storage, the bottom of the main shell (101) and the sub-housing (102) is installed with a guide assembly; Heat dissipation assembly (2) is installed in the main shell (101) and the sub-housing (102) inside the protective assembly (1) upper, for realizing cooling; The installation base (3) is installed at the bottom of the fixed plate (111) in the protective assembly (1), for realizing the adjustment of the direction of the whole device.

2. A miniature wireless repeater according to claim 1, characterized in that The sliding assembly includes symmetrical sliding rails (104) fixed to the top of the sub-housing (102), and the guide groove (103) corresponding to the sliding rail (104) opened in the upper inside of the main shell (101), the sliding rail (104) and the guide groove (103) are matched and slidingly arranged.

3. A miniature wireless repeater according to claim 1, characterized in that The sub-housing (102) is provided with a main cabinet door (105) on one side through a hinge (106), the main cabinet door (105) is movably provided with a sub-cabinet door (107) at one end, and the sub-cabinet door (107) is fixedly installed with a handle (108) on one side.

4. A miniature wireless repeater according to claim 3, characterized in that The front and rear ends of the sub-cabinet door (107) are fixedly installed with magnetic stones (109), which are used to fix the sub-cabinet door (107) when it is retracted into the main cabinet door (105) through the magnetic stone (109), and the two sub-cabinet doors (107) are fixed through the magnetic stone (109) when they are closed.

5. A miniature wireless repeater according to claim 1, wherein The guiding assembly comprises a circular guiding frame (113) fixed above the positioning plate (110) through a fixing column (112), the outer side of the fixing column (112) is rotationally provided with a rotating arm (114) between the positioning plate (110) and the circular guiding frame (113), the top of the inner and outer layers of the circular guiding frame (113) is provided with a triangular groove (115), the top of the rotating arm (114) is symmetrically provided with a limiting cylinder (116) and a rotating shaft (117) on both sides, a gear disc (119) is arranged above the circular guiding frame (113), the bottom of the gear disc (119) is symmetrically provided with a cross limiting column (118) movably connected in the limiting cylinder (116), the bottom of the gear disc (119) is provided with two ball head columns (126) movably arranged on the top of the inner and outer layers of the circular guiding frame (113), the rotating shaft (117) and the fixed plate (111) are rotationally provided with an L-shaped push-pull rod (120), the fixed plate (111) is connected with the gear disc (119) through a driving assembly to realize relative movement of the two auxiliary housings (102), and the limiting ring (125) of the limiting gear disc (119) is fixedly arranged on the top of the bottom plate of the main housing (101).

6. A miniature wireless repeater according to claim 5, characterized in that The driving assembly comprises a turbine rod (123) engaged above the outer side of the gear disc (119), the turbine rod (123) is fixed to the output end of a servo motor (124), and the servo motor (124) is fixed to the inside of the main housing (101), so that the gear disc (119) is always engaged with the turbine rod (123) for transmission.

7. A miniature wireless repeater according to claim 1, wherein The heat dissipation assembly (2) comprises a fan box (203) fixed to the inside of the main housing (101) and the auxiliary housing (102), and a heat dissipation groove (201) formed in the side of the housing and the auxiliary housing (102), the outer side of the heat dissipation groove (201) is provided with a louver (202), and the inside of the auxiliary housing (102) is provided with an avoiding groove (204) matched with the fan box (203).

8. A miniature wireless repeater according to claim 1, characterized in that The guiding assembly comprises guiding rods (121) fixed to the bottom of the auxiliary housing (102) on both sides, and guiding seats (122) fixed to the bottom of the main housing (101) on both sides, and the guiding rods (121) are movably arranged in the guiding seats (122).

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