Monitoring device
By designing independent lens and lighting components connected to the drive mechanism in the monitoring equipment, the synchronous rotation of the lens module and lighting module is achieved, solving the problem of limited adjustment angle of the lens module. This ensures uniform brightness of the image when the monitoring equipment is adjusted at large angles, expands the field of view, and improves space utilization and waterproof performance.
Patent Information
- Application Number
- CN202423229419.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-25
AI Technical Summary
In existing video surveillance equipment, the adjustment angle of the lens module of the bullet camera is limited by the supplementary lighting module, resulting in uneven brightness in the monitored area. Especially when the lens module is close to its limit, the overall brightness of the picture is insufficient, which affects the monitoring effect.
Design a monitoring device in which the lens assembly and the supplementary lighting assembly are respectively connected to the drive mechanism. The synchronous rotation of the lens module and the supplementary lighting module is realized through the transmission assembly, ensuring that the viewpoint position of the lens module coincides with the light source center of the supplementary lighting module, thereby expanding the adjustable angle range of the lens module.
This technology ensures uniform screen brightness when the monitoring equipment is adjusted at large angles, avoids degradation of monitoring effect, expands the field of view, and improves space utilization and the waterproof performance of the equipment.
Smart Images
Figure CN223729823U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to video monitoring technical field, especially a kind of monitoring equipment. BACKGROUND
[0002] Current IPC field's video monitoring device is more common a kind of gun ball linkage's model, i.e. a monitoring device includes a fixed position gun and a cloud platform ball machine, with the in-depth application, monitoring view angle of gun part is also developed to electrically adjustable. On the machine type of part lens module volume is larger, in order to achieve reliable waterproof level, current market has only realized that the angle of lens module inside gun is adjustable, and the angle of light supplement module is not adjustable.
[0003] Because the light supplement area is fixed, the range of gun angle adjustment cannot be too large, otherwise the monitoring area will exceed the light supplement area of equipment, the light spot of light supplement area is bright in the middle and dark around, and the brightness decreases in radiation shape, with the angle adjustment of lens module, when approaching limit position, the overall brightness in picture is not enough, and monitoring effect is attenuated. UTILITARY MODEL CONTENT
[0004] The utility model discloses a kind of monitoring equipment, to solve the problem that the angle of lens module of gun in existing video monitoring equipment is limited by light supplement module.
[0005] To achieve the above-mentioned purpose, the monitoring equipment provided by the utility model comprises:
[0006] A shell;
[0007] A lens assembly comprising a first bracket and at least one lens module, the lens module being arranged on the first bracket;
[0008] A light supplement assembly comprising a second bracket and at least one light supplement module, the light supplement module being arranged on the second bracket, the first bracket and the second bracket being independently arranged and rotatably connected to the shell;
[0009] A driving mechanism comprising a driver and a transmission assembly, the driver and the transmission assembly being drivingly connected, the transmission assembly being connected to the first bracket and the second bracket, and the driver being used to drive the transmission assembly to move, so as to drive the lens module on the first bracket and the light supplement module on the second bracket to rotate synchronously.
[0010] In an embodiment, the lens assembly and the light supplement assembly are arranged on one side of the shell and arranged along a first direction, the shell is provided with a first light transmission area and a second light transmission area along the first direction, the lens module is arranged towards the first light transmission area, and the light supplement module is arranged towards the second light transmission area.
[0011] In an embodiment, the first support is provided with a first rotating shaft, the first rotating shaft is rotationally connected with the shell, the second support is provided with a second rotating shaft, the second rotating shaft is rotationally connected with the shell, the first rotating shaft and the second rotating shaft are respectively arranged along a second direction, and the second direction forms an included angle with the first direction.
[0012] In an embodiment, the transmission assembly comprises at least one synchronous belt and at least three pulleys, one of the pulleys is connected with the driver, and the other two pulleys are respectively arranged on the first rotating shaft and the second rotating shaft, and the synchronous belt is arranged around the three pulleys.
[0013] In an embodiment, the synchronous belt is provided with teeth, and the pulleys are provided with gear teeth engaged with the teeth.
[0014] In an embodiment, the number and shape of the teeth of the pulley arranged on the first rotating shaft are consistent with those of the pulley arranged on the second rotating shaft.
[0015] In an embodiment, the shell is further provided with a plurality of shaft seats, and the first rotating shaft and the second rotating shaft are respectively rotationally arranged on the shaft seats.
[0016] In an embodiment, two lens modules are arranged on the first support at intervals, the axial directions of the two lens modules form an included angle, two light supplement modules are arranged on the second support at intervals, and the two light supplement modules are respectively directed to the field of view of the two lens modules.
[0017] In an embodiment, a first mounting hole is arranged on the shell at the first light transmission area, the lens module is arranged towards the first mounting hole, and a lens glass is arranged at the first mounting hole.
[0018] In an embodiment, a second mounting hole is arranged on the shell at the second light transmission area, the light supplement module is arranged towards the second mounting hole, and a lamp cup glass is arranged at the second mounting hole.
[0019] In an embodiment, the first mounting hole and the second mounting hole are respectively arranged along the first direction.
[0020] The technical solution of this utility model adopts independent lens assemblies and supplementary lighting assemblies connected to a drive mechanism to enable the lens module and supplementary lighting module of the monitoring device to rotate synchronously. Specifically, the monitoring device includes a housing, a lens assembly, a supplementary lighting assembly, and a drive mechanism. The lens assembly includes a first bracket and at least one lens module mounted on the first bracket. The supplementary lighting assembly includes a second bracket and at least one supplementary lighting module mounted on the second bracket. The first bracket and the second bracket are independent of each other and are rotatably connected to the housing. The drive mechanism includes a driver and a transmission assembly. The driver and the transmission assembly are drivenly connected. The transmission assembly is also connected to the first bracket and the second bracket respectively. The drive assembly drives the transmission assembly to move so that the first bracket and the second bracket rotate synchronously on the housing, so that the supplementary lighting module adjusts its angle synchronously with the lens module, ensuring that the overall brightness of the image captured by the lens module is sufficient and avoiding the degradation of the monitoring display effect. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0022] Figure 1 A schematic diagram of the structure of an embodiment of the monitoring equipment provided by this utility model;
[0023] Figure 2 A schematic diagram showing the disassembled structure of an embodiment of the monitoring device provided by this utility model;
[0024] Figure 3 A schematic diagram of the internal structure of an embodiment of the monitoring device provided by this utility model;
[0025] Figure 4 A schematic diagram of the connection structure between the drive mechanism, lens assembly, and supplementary lighting assembly in one embodiment of the monitoring equipment provided by this utility model;
[0026] Figure 5 for Figure 4 A schematic diagram of the structure in which the central drive mechanism drives the lens assembly and the fill light assembly to rotate synchronously;
[0027] Figure 6 This is a front view of an embodiment of the monitoring equipment provided by this utility model.
[0028] Explanation of icon numbers:
[0029] 100, monitoring device; 110, housing; 110a, first light-transmissive area; 110b, second light-transmissive area; 111, first mounting hole; 112, second mounting hole; 113, lens glass; 114, light cup glass; 120, lens assembly; 121, first support; 1211, first rotating shaft; 122, lens module; 130, light supplement assembly; 131, second support; 1311, second rotating shaft; 132, light supplement module; 140, driving mechanism; 141, driver; 142, transmission assembly; 1421, synchronous belt; 1422, pulley; 150, shaft seat.
[0030] The implementation, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0032] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.
[0033] In addition, if the embodiments of the utility model involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one feature. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B simultaneously satisfying the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the protection scope required by the utility model.
[0034] The utility model provides a kind of monitoring device.
[0035] Please refer to Figures 1 to 3In an embodiment of the utility model, the monitoring device 100 includes a shell 110, a lens assembly 120, a light supplement assembly 130 and a driving mechanism 140, the lens assembly 120 includes a first support 121 and at least one lens module 122 arranged on the first support 121, the light supplement assembly 130 includes a second support 131 and at least one light supplement module 132 arranged on the second support 131, the first support 121 and the second support 131 are independent of each other and are rotatably connected with the shell 110, the driving mechanism 140 includes a driver 141 and a transmission assembly 142, the driver 141 is drivingly connected with the transmission assembly 142, the transmission assembly 142 is further connected with the first support 121 and the second support 131 respectively, the driving assembly drives the transmission assembly 142 to move to drive the first support 121 and the second support 131 to synchronously rotate on the shell 110, so that the light supplement module 132 is adjusted in angle synchronously with the lens module 122, the overall brightness of the picture captured by the lens module 122 is ensured to be sufficient, and the display effect of monitoring is prevented from attenuating.
[0036] It can be understood that when the viewpoint position of the lens module 122 coincides with the light source center of the light supplement module 132, the monitoring effect is optimal, the driver 141 drives the first support 121 and the second support 131 to synchronously rotate on the shell 110 through the transmission assembly 142, so that the light source center of the light supplement module 132 moves with the viewpoint position of the lens module 122, compared with the device with a fixed light supplement region, the adjustable angle range of the lens module 122 of the utility model is larger, and a larger field of view range can be obtained without the attenuation of the monitoring picture effect.
[0037] Further, if the lens assembly 120 and the light supplement assembly 130 are arranged as a whole and rotate around an axis direction, since the lens module 122 and the light supplement module 132 are separated by a certain distance, the viewpoint position of the lens module 122 and the light source center of the light supplement module 132 at least one of which moves a larger distance, a larger viewing window needs to be opened on the shell 110 to compensate for this defect, and by arranging the first support 121 and the second support 131 to independently rotate, the viewpoint position of the lens module 122 and the light source center of the light supplement module 132 move the same distance, a smaller viewing window can be opened on the shell 110, and the restriction on the appearance design of the product is eliminated.
[0038] In an embodiment, the lens assembly 120 and the light supplement assembly 130 are arranged on one side of the shell 110 and arranged along a first direction, the first light-transmitting region 110a and the second light-transmitting region 110b are arranged on the shell 110 along the first direction, the lens module 122 is arranged towards the first light-transmitting region 110a, and the light supplement module 132 is arranged towards the second light-transmitting region 110b.
[0039] As Figures 1 to 3As shown, in one embodiment of this utility model, a mounting area is recessed on one side of the housing 110. The lens assembly 120 and the supplementary lighting assembly 130 are disposed within this mounting area and spaced apart along a first direction. A first light-transmitting area 110a is provided on the housing 110 corresponding to the lens module 122, and a second light-transmitting area 110b is provided corresponding to the supplementary lighting module 132. The first light-transmitting area 110a and the second light-transmitting area 110b are also spaced apart along the first direction. The lens module 122 passes through the first bracket 121 and is positioned towards the first light-transmitting area 110a of the housing 110, while the supplementary lighting module 132 passes through the second bracket 131 and is positioned towards the second light-transmitting area 110b. It can be understood that because the first bracket 121 and the second bracket 131 are spaced apart along the first direction and can rotate independently, the space required for the rotation of the lens assembly 120 and the supplementary lighting assembly 130 is relatively small, which can improve the space utilization rate inside the monitoring device 100 and help reduce the overall volume of the monitoring device 100.
[0040] In one embodiment, a first rotating shaft 1211 is provided on the first bracket 121, and the first rotating shaft 1211 is rotatably connected to the housing 110. A second rotating shaft 1311 is provided on the second bracket 131, and the second rotating shaft 1311 is rotatably connected to the housing 110. The first rotating shaft 1211 and the second rotating shaft 1311 are respectively arranged along a second direction, and the second direction forms an angle with the first direction.
[0041] like Figure 1 and Figure 2 As shown, in one embodiment of this utility model, a first rotating shaft 1211 is provided on the first bracket 121 along the second direction, and the lens assembly 120 is rotatably connected to the housing 110 through the first rotating shaft 1211. A second rotating shaft 1311 is provided on the second bracket 131 along the second direction, and the supplementary light assembly 130 is rotatably connected to the housing 110 through the second rotating shaft 1311. Ideally, the first direction and the second direction are perpendicular to each other, and the axial directions of the first rotating shaft 1211 and the second rotating shaft 1311 are parallel to each other, so as to realize the function of the lens module 122 and the supplementary light module 132 rotating synchronously on different axes. Moreover, this arrangement structure allows the lens assembly 120 and the supplementary light assembly 130 to be tightly assembled on the housing 110, making efficient use of the installation space. Of course, in some other embodiments of this utility model, due to different requirements for rotation angle and field of view, the included angle formed by the first direction and the second direction may be greater than or less than 90°. Furthermore, the first rotating shaft 1211 and / or the second rotating shaft 1311 may also be set on the housing 110. The first bracket 121 and the second bracket 131 are respectively provided with a connection structure that is rotatably connected to the first rotating shaft 1211 and the second rotating shaft 1311, so that the lens assembly 120 and the supplementary light assembly 130 can rotate synchronously. The configuration can be made according to the actual situation, and no specific limitation is made here.
[0042] In one embodiment, the transmission assembly 142 includes at least one synchronous belt 1421 and at least three pulleys 1422, one of which is connected to the driver 141, and the other two pulleys 1422 are respectively disposed on the first rotating shaft 1211 and the second rotating shaft 1311, and the synchronous belt 1421 is wound around the three pulleys 1422.
[0043] like Figures 3 to 5 As shown, in one embodiment of this utility model, the transmission assembly 142 includes a synchronous belt 1421 and three pulleys 1422. Specifically, the driver 141 can be a conventional drive motor. One pulley 1422 is located on the output shaft of the driver 141, and the other two pulleys 1422 are respectively located on the first rotating shaft 1211 and the second rotating shaft 1311, and are located on the same side of the first bracket 121 and the second bracket 131. The synchronous belt 1421 is sequentially wound around the three pulleys 1422. The driver 141 drives the synchronous belt 1421 to move by rotating the pulleys 1422. The synchronous belt 1421 drives the pulleys 1422 on the first rotating shaft 1211 and the second rotating shaft 1311 to rotate synchronously, so that the rotation angle of the lens module 122 and the fill light module 132 is consistent. The viewpoint position of the lens module 122 always coincides with the light source center of the fill light module 132, ensuring the best imaging effect.
[0044] The use of a synchronous belt 1421 and pulleys 1422 for transmission allows for relatively flexible distances between the driver 141, lens module 122, and supplementary lighting module 132, which is beneficial for the stacking of internal structures. It should be noted that in some other embodiments of this invention, the number of pulleys 1422 and synchronous belts 1421 is not specifically limited, as long as it ensures that the first rotating shaft 1211 and the second rotating shaft 1311 can rotate synchronously.
[0045] In one embodiment, the timing belt 1421 is provided with belt teeth, and the pulley 1422 is provided with gear teeth that mesh with the belt teeth.
[0046] like Figure 4 and Figure 5As shown, in one embodiment of this utility model, the inner ring of the synchronous belt 1421 is provided with teeth, and the outer periphery of the pulley 1422 is provided with teeth that match the belt teeth. The meshing between the belt teeth and the pulley teeth is relatively precise, and slippage is not likely to occur, making it suitable for the synchronous drive of the lens module 122 and the supplementary lighting module 132, with high transmission efficiency. Of course, in some other embodiments of this utility model, the synchronous belt 1421 and the pulley 1422 can also be toothless. For example, the surfaces of the synchronous belt 1421 and the pulley 1422 can be smooth and rely on friction for transmission. The synchronous belt 1421 can be made of materials such as rubber and leather. Therefore, the specific structure of the synchronous belt 1421 and the pulley 1422 is not limited. Compared with conventional transmission methods such as gear transmission, the transmission process of the synchronous belt 1421 and the pulley 1422 has almost zero backlash, which allows the lens module 122 and the supplementary lighting module 132 to be maintained more accurately and stably at the set monitoring angle.
[0047] In one embodiment, the pulley 1422 provided on the first rotating shaft 1211 has the same number of teeth and tooth profile as the pulley 1422 provided on the second rotating shaft 1311.
[0048] like Figure 4 and Figure 5 As shown, in one embodiment of this utility model, in order to improve the accuracy of synchronous drive, the pulleys 1422 on the first rotating shaft 1211 and the second rotating shaft 1311 are set to the same specifications. Specifically, the number of teeth and tooth shape of the pulleys 1422 on the first rotating shaft 1211 and the second rotating shaft 1311 are the same. During the transmission process of the synchronous belt 1421, the teeth of the two pulleys 1422 precisely mesh with the teeth of the synchronous belt 1421. When the synchronous belt 1421 moves a certain distance, the two pulleys 1422 rotate at the same angle, so that the angles of the lens module 122 and the supplementary light module 132 remain consistent. It should be noted that the specifications of the pulleys 1422 on the driver 141 are the same as those on the first rotating shaft 1211 and the second rotating shaft 1311, which can reduce the complexity of the entire drive mechanism 140 and facilitate the production and assembly of parts. Of course, in some other embodiments of this utility model, the specifications of the pulley 1422 on the driver 141 may be different from those of the pulley 1422 on the first rotating shaft 1211 and the second rotating shaft 1311. The specific settings can be made according to the requirements of transmission speed and other factors.
[0049] In one embodiment, the housing 110 is further provided with a plurality of bearing seats 150, and the first rotating shaft 1211 and the second rotating shaft 1311 are rotatably disposed on the bearing seats 150 respectively.
[0050] like Figure 2 and Figure 3As shown, in one embodiment of this utility model, the housing 110 is further provided with a plurality of bearing seats 150. Specifically, the bearing seats 150 are provided with shaft holes. The first bracket 121 and the second bracket 131 are respectively provided with a first rotating shaft 1211 and a second rotating shaft 1311 on both sides along the first direction. The housing 110 is provided with four bearing seats 150 corresponding to the first rotating shaft 1211 and the second rotating shaft 1311. The first rotating shaft 1211 and the second rotating shaft 1311 are respectively rotatably disposed in the shaft holes of the bearing seats 150. The two ends of the bearing seats 150 are detachably connected to the housing 110 by screws or other connecting parts to reduce the assembly difficulty of the lens assembly 120 and the supplementary lighting assembly 130. Alternatively, the bearing seats 150 are integrally disposed with the housing 110.
[0051] In one embodiment, two lens modules 122 are spaced apart on the first bracket 121, and the axial directions of the two lens modules 122 form an angle. Two fill light modules 132 are spaced apart on the second bracket 131, and the two fill light modules 132 are respectively oriented towards the field of view of the two lens modules 122.
[0052] like Figure 1 , Figure 2 and Figure 6 As shown, in one embodiment of this utility model, two lens modules 122 are provided on the first bracket 121, and two fill light modules 132 are provided on the second bracket 131. The axes of the two lens modules 122 are offset relative to each other and arranged in a V-shape to form a binocular splicing model. The two fill light modules 132 are arranged one-to-one with the two lens modules 122. Because the lens assembly 120 of the binocular model is large in size, in order to achieve a reliable waterproof rating, the angle of the fill light module in existing products on the market is usually not adjustable. In this solution, the fill light assembly 130 is independently rotatable, and the connection structure of the bearing 150 and the two rotating shafts is set inside the housing 110, which can adjust the angle of the fill light module 132 without affecting the waterproof performance of the device.
[0053] In one embodiment, a first mounting hole 111 is provided on the housing 110 in the first light-transmitting area 110a, the lens module 122 is disposed facing the first mounting hole 111, and a lens glass 113 is provided at the first mounting hole 111;
[0054] And / or, a second mounting hole 112 is provided on the housing 110 in the second light-transmitting area 110b, the supplementary lighting module 132 is disposed facing the second mounting hole 112, and a lamp cup glass 114 is provided at the second mounting hole 112.
[0055] like Figure 1 and Figure 2As shown, in some embodiments of this utility model, the housing 110 may adopt a fully transparent or partially transparent structure to form a first light-transmitting area 110a and a second light-transmitting area 110b. Alternatively, in order to improve the light transmission effect, the housing 110 may be an opaque structure, and a first mounting hole 111 may be provided on the housing 110 corresponding to the lens module 122, and a second mounting hole 112 may be provided on the housing 110 corresponding to the supplementary lighting module 132. A lens glass 113 may be installed at the first mounting hole 111, and a lamp cup glass 114 may be installed at the second mounting hole 112. A specific lens glass 113 may change the light entering the lens, thereby improving the image effect. Some lens glass 113 may be coated with a waterproof and dustproof coating, so that it can maintain good performance under harsh weather or environmental conditions. This is especially important for outdoor shooting or security monitoring. Of course, the lamp cup glass 114 may also have the function of adjusting and diffusing light to provide more uniform and softer illumination and avoid overexposure or local underexposure of the monitoring image.
[0056] In one embodiment, the first mounting hole 111 and the second mounting hole 112 are respectively provided to extend along a first direction.
[0057] like Figure 1 , Figure 2 and Figure 6 As shown, in one embodiment of this utility model, the lens module 122 and the fill light module 132 swing up and down along a first direction, while the first mounting hole 111 and the second mounting hole 112 on the housing 110 extend along the first direction, so that the lens module 122 and the fill light module 132 have a wider field of view. In addition, the extension direction of the first mounting hole 111 and the second mounting hole 112 can be set according to the requirements of appearance design, etc., and no specific limitation is made here.
[0058] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.
Claims
1. A monitoring device, characterized in that The application relates to a camera, which comprises a housing, a lens assembly, a light supplement assembly, a driving mechanism, and a plurality of shaft seats. The lens assembly comprises a first support and at least one lens module, and the lens module is arranged on the first support. The light supplement assembly comprises a second support and at least one light supplement module, and the light supplement module is arranged on the second support. The first support and the second support are independently arranged and rotationally connected with the housing. The driving mechanism comprises a driver and a transmission assembly, and the driver is drivingly connected with the transmission assembly.
2. The monitoring device of claim 1, wherein, The transmission assembly is connected with the first support and the second support, and the driver is used for driving the transmission assembly to drive the lens module on the first support and the light supplement module on the second support to synchronously rotate.
3. The monitoring device of claim 2, wherein, The lens assembly and the light supplement assembly are arranged on one side of the housing and extend along a first direction.
4. The monitoring device of claim 3, wherein, The housing is provided with a first light transmission area and a second light transmission area along the first direction.
5. The monitoring device of claim 4, wherein, The first support is provided with a first rotating shaft, and the first rotating shaft is rotationally connected with the housing.
6. The monitoring device of claim 5, wherein, The second support is provided with a second rotating shaft, and the second rotating shaft is rotationally connected with the housing.
7. The monitoring device of claim 3, wherein, The first rotating shaft and the second rotating shaft are arranged along a second direction, and the second direction forms an angle with the first direction.
8. The monitoring device of any one of claims 1 to 7, wherein, The transmission assembly comprises at least one synchronous belt and at least three pulleys.
9. The monitoring device of claim 2, wherein, One of the pulleys is connected with the driver, and the other two pulleys are arranged on the first rotating shaft and the second rotating shaft. The synchronous belt is arranged on the three pulleys.
10. The monitoring device of claim 9, wherein, The synchronous belt is provided with teeth, and the pulleys are provided with gear teeth which are engaged with the teeth. The number and shape of the teeth of the pulleys arranged on the first rotating shaft and the second rotating shaft are consistent. The housing is further provided with the shaft seats, and the first rotating shaft and the second rotating shaft are rotationally arranged on the shaft seats. The first support is provided with two lens modules, and the axes of the two lens modules form an angle. The second support is provided with two light supplement modules, and the two light supplement modules are arranged towards the visual range of the two lens modules. The housing is provided with a first mounting hole in the first light transmission area, and the lens module is arranged towards the first mounting hole. The first mounting hole is provided with a lens glass. The housing is provided with a second mounting hole in the second light transmission area, and the light supplement module is arranged towards the second mounting hole. The second mounting hole is provided with a lamp cup glass. The first mounting hole and the second mounting hole extend along the first direction.