An APS-C type CMOS sensor broadcast-grade camera
By designing a self-cleaning system in an APS-C type CMOS sensor broadcast-grade camera, and utilizing the cooperation of a drive motor, cleaning plate, brush, and other components, the problem of lens dust accumulation was solved, automatic cleaning was achieved, the camera performance was improved, and operating costs were reduced.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 深圳市汉锐信息技术股份有限公司
- Filing Date
- 2025-07-08
- Publication Date
- 2026-07-17
AI Technical Summary
Existing broadcast-grade cameras with APS-C type CMOS sensors lack a self-cleaning structure, which makes the lens easily covered with dust, affecting the image quality.
A self-cleaning system was designed, comprising a mounting base, camera body, fixed box, rotating shaft, support arm, cleaning plate, cleaning tube, transmission mechanism, drive motor, scraper, brush, electric telescopic rod, and auxiliary telescopic rod. The system achieves automatic lens cleaning by moving the cleaning plate through the drive motor and coordinating with the atomized spraying of cleaning fluid and the scraper and brush.
The camera has a self-cleaning function, which ensures the normal clarity of the camera, saves manual cleaning time and costs, improves lens cleaning effect, and ensures the stability and reliability of the cleaning mechanism.
Smart Images

Figure CN224507757U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of broadcast-grade camera technology, specifically to an APS-C type CMOS sensor broadcast-grade camera. Background Technology
[0002] Currently, existing broadcast-grade cameras using APS-C CMOS sensors have a significant drawback in practical use: the lack of a self-cleaning mechanism. Dust particles easily adhere to the camera lens surface in their surrounding environment, gradually covering the lens over time. This severely impacts the camera's normal recording function. Because automatic lens cleaning is impossible, image quality cannot be effectively guaranteed. Therefore, innovative designs based on existing APS-C CMOS sensor broadcast-grade cameras are urgently needed to address these issues. Utility Model Content
[0003] The purpose of this invention is to provide an APS-C type CMOS sensor broadcast-grade camera to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] An APS-C type CMOS sensor broadcast-grade camera, comprising:
[0006] Mounting base, the bottom of which is provided with camera body, a fixed box is fixedly installed on one side of camera body, a drive motor is fixedly installed inside the lower part of the fixed box, a rotating shaft is rotatably installed on the lower front of the fixed box, and the rear end of the rotating shaft passes through the fixed box and extends into the interior of the fixed box, and a transmission mechanism is provided between the rotating shaft and the drive end of the drive motor.
[0007] A support arm is fixedly installed at the front end of the rotating shaft, an electric telescopic rod is fixedly installed at one end of the support arm, a cleaning plate is fixedly installed at the drive end of the electric telescopic rod, and a scraper and a brush are fixedly installed on the back of the cleaning plate.
[0008] Preferably, a partition is fixedly installed inside the mounting base, a liquid storage tank is fixedly installed on the top of the partition, a liquid inlet pipe is fixedly installed above one side of the liquid storage tank, and one end of the liquid inlet pipe passes through the fixed box and extends to the outside of the fixed box. An outlet pipe is fixedly installed below the front of the liquid storage tank, a pump body is provided on the outlet pipe, and the pump body is fixedly connected to the front of the liquid storage tank. The front end of the outlet pipe passes through the fixed box and extends to the front of the fixed box. A cleaning pipe is fixedly installed on the top of the cleaning plate. Several atomizing nozzles are fixedly installed at equal intervals and evenly on the rear side of the outer surface of the cleaning pipe. A connecting pipe is fixedly connected between one end of the cleaning pipe and the front end of the outlet pipe. A liquid level sensor is provided inside the liquid storage tank.
[0009] Preferably, a storage cover is fixedly installed on the front of the fixed box, and several elastic sealing strips are fixedly installed at the opening on one side of the storage cover.
[0010] Preferably, one end of the support arm is fixedly equipped with an auxiliary telescopic rod both above and below the electric telescopic rod, and the telescopic end of the auxiliary telescopic rod is fixedly connected to the cleaning plate.
[0011] Preferably, a protective sleeve is fixedly connected between the cleaning plate and the support arm, and both the electric telescopic rod and the auxiliary telescopic rod are located inside the protective sleeve.
[0012] Preferably, the connecting pipe is made of a flexible flexible hose.
[0013] Preferably, the transmission mechanism consists of a driving gear, a driven gear, and a synchronous belt. The driving gear and the driven gear are connected by a synchronous belt. The driving gear is fixedly connected to the drive end of the drive motor, and the driven gear is fixedly installed on the outer wall of one end of the rotating shaft inside the fixed box.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] 1. This utility model, through the coordinated use of a mounting base, camera body, fixing box, rotating shaft, support arm, cleaning plate, cleaning pipe, transmission mechanism, drive motor, scraper, brush, electric telescopic rod, and auxiliary telescopic rod, enables the APS-C type CMOS sensor broadcast-grade camera to possess a self-cleaning function during operation, effectively ensuring the camera's normal image clarity. Furthermore, this self-cleaning method avoids the tediousness of manual cleaning, saving time and reducing labor costs, significantly lowering the operating cost of the camera body, and possessing extremely high practicality.
[0016] 2. This invention utilizes a combination of an external drain pipe, a connecting pipe, a cleaning pipe, a storage tank, a pump, and an atomizing nozzle to address stubborn dust that is difficult to remove using only scrapers and brushes during camera lens cleaning. Activating the pump delivers the cleaning solution from the storage tank to the cleaning pipe via the external drain pipe and connecting pipe. Moving with the cleaning plate, the cleaning solution is evenly atomized and sprayed onto the lens surface through the atomizing nozzle. Combined with the scraper and brush, this reduces the adhesion of stubborn dust, significantly improving the cleaning effect on the camera lens.
[0017] 3. This utility model utilizes a storage cover and an elastic sealing strip. When the cleaning structure is idle, a drive motor powers the cleaning plate to rotate. During rotation, the cleaning plate passes through the elastic sealing strip and enters the storage cover. At this time, the scraper and brush on the cleaning plate are stored in a relatively enclosed environment constructed by the storage cover and the elastic sealing strip. This storage method effectively prevents dust from the external environment from adhering to the scraper and brush, thereby ensuring the stability and reliability of the cleaning mechanism during long-term operation and guaranteeing its consistently good cleaning performance. Attached Figure Description
[0018] Figure 1 This is a front view structural diagram of the present utility model;
[0019] Figure 2 This is a side view of the structure of this utility model;
[0020] Figure 3 This is a schematic diagram of the connection structure between the fixed box and the storage cover in this utility model;
[0021] Figure 4 This is a schematic diagram of the connection structure between the cleaning plate and the support arm in this utility model;
[0022] Figure 5 This is a schematic diagram of the cleaning tube in this utility model.
[0023] In the diagram: 1. Mounting base; 2. Camera body; 3. Fixing box; 4. Storage cover; 5. Liquid filling pipe; 6. Outlet pipe; 7. Connecting pipe; 8. Rotating shaft; 9. Support arm; 10. Protective cover; 11. Cleaning plate; 12. Cleaning pipe; 13. Liquid storage tank; 14. Pump body; 15. Partition plate; 16. Transmission mechanism; 17. Drive motor; 18. Elastic sealing strip; 19. Scraper; 20. Brush; 21. Electric telescopic rod; 22. Auxiliary telescopic rod; 23. Atomizing nozzle. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figures 1-5 One embodiment provided by this utility model:
[0026] An APS-C type CMOS sensor broadcast-grade camera, comprising:
[0027] Mounting base 1, camera body 2 is provided at the bottom of mounting base 1, fixed box 3 is fixedly installed on one side of camera body 2, drive motor 17 is fixedly installed at the bottom inside the fixed box 3, rotating shaft 8 is rotatably installed at the bottom front of the fixed box 3, and the rotating shaft 8 passes through the fixed box 3 and extends into the interior of the fixed box 3. A transmission mechanism 16 is provided between the rotating shaft 8 and the drive end of the drive motor 17.
[0028] A support arm 9 is fixedly installed at the front end of the rotating shaft 8. An electric telescopic rod 21 is fixedly installed at one end of the support arm 9. A cleaning plate 11 is fixedly installed at the drive end of the electric telescopic rod 21. A scraper 19 and a brush 20 are fixedly installed on the back of the cleaning plate 11.
[0029] A partition 15 is fixedly installed inside the mounting base 1. A liquid storage tank 13 is fixedly installed on the top of the partition 15. A liquid inlet pipe 5 is fixedly inserted into the upper side of one side of the liquid storage tank 13, with one end of the liquid inlet pipe 5 passing through the fixed box 3 and extending to the outside of the fixed box 3. An outlet pipe 6 is fixedly inserted into the lower front of the liquid storage tank 13. A pump body 14 is installed on the outlet pipe 6, and the pump body 14 is fixedly connected to the front of the liquid storage tank 13. The front end of the outlet pipe 6 passes through the fixed box 3 and extends to the front of the fixed box 3. A cleaning pipe 12 is fixedly installed on the top of the plate 11. Several atomizing nozzles 23 are fixedly installed at equal intervals and evenly on the rear side of the outer surface of the cleaning pipe 12. A connecting pipe 7 is fixedly connected between one end of the cleaning pipe 12 and the front end of the drain pipe 6. A liquid level sensor is installed inside the liquid storage tank 13. The liquid filling pipe 5 facilitates liquid filling. The drain pipe 6 and the pump body 14 can transport cleaning liquid. The liquid level sensor monitors the liquid level. The connecting pipe 7 allows the cleaning liquid to flow from the liquid storage tank 13 to the cleaning pipe 12. The atomizing nozzles 23 spray the cleaning liquid evenly, improving the cleaning effect.
[0030] In one embodiment, a storage cover 4 is fixedly installed on the front of the fixed box 3, and several elastic sealing strips 18 are fixedly installed at the opening on one side of the storage cover 4. The storage cover 4 can store cleaning parts, and the elastic sealing strips 18 can prevent dust and debris from entering, thus protecting the internal cleaning structure.
[0031] In one preferred embodiment, an auxiliary telescopic rod 22 is fixedly installed above and below the electric telescopic rod 21 at one end of the support arm 9, and the telescopic end of the auxiliary telescopic rod 22 is fixedly connected to the cleaning plate 11 to enhance the support stability and make the cleaning plate 11 move more smoothly.
[0032] In one embodiment, a protective sleeve 10 is fixedly connected between the cleaning plate 11 and the support arm 9. The electric telescopic rod 21 and the auxiliary telescopic rod 22 are both located inside the protective sleeve 10, which serves to enhance the appearance and protect the electric telescopic rod 21 and the auxiliary telescopic rod 22.
[0033] In one preferred embodiment, the connecting pipe 7 is made of a flexible hose that can adapt to positional changes caused by the movement of the cleaning plate 11, ensuring that the delivery of cleaning fluid is unobstructed and that the cleaning operation proceeds smoothly.
[0034] In one embodiment, the transmission mechanism 16 consists of a driving gear, a driven gear, and a synchronous belt. The driving gear and the driven gear are connected by the synchronous belt. The driving gear is fixedly connected to the drive end of the drive motor 17. The driven gear is fixedly installed on the outer wall of one end of the rotating shaft 8 inside the fixed box 3. It can transmit power smoothly and accurately, ensuring the stability and accuracy of the movement of the cleaning plate 11, and improving the lens cleaning effect and reliability.
[0035] The APS-C CMOS sensor broadcast-grade camera, model BA-XD80-C, is an existing product. This camera uses a domestically produced APS-C CMOS sensor, supporting up to 8K resolution with 12 megapixels. It features high sensitivity, high dynamic range, high frame rate, and low noise, and can output ultra-high-definition 4K images. It has a built-in 30x 4K optical zoom lens and 12x digital zoom, with distortion less than 1%, a horizontal wide-angle of 65 degrees, and supports autofocus, auto exposure, and wide dynamic range adjustment to ensure detailed and clear images. The entire unit is constructed of aluminum alloy, combining durability, heat dissipation, lightweight design, and corrosion resistance. Its stylish appearance and electromagnetic shielding make it suitable for various environments. It offers rich video output interfaces, including two 3G / HD-SDI channels (compatible with 6G-SDI) and one HDMI channel, supporting multiple resolution formats such as 4K, 1080p, 1080i, and 720p to meet professional video transmission needs. The pan-tilt unit boasts powerful functionality, with a horizontal rotation range of ±170 degrees and a vertical range of ±90 degrees. It supports RJ45 and RS-232C / 485 control and remote operation, and features a new built-in transmission mechanism for precise positioning and smooth operation. The camera also supports up to 260 preset positions and can independently store parameters such as brightness, color, and zoom, with data retention even after power failure. Furthermore, the device features automatic image reversal, supporting both upright and inverted mounting without additional settings. Technical specifications include a minimum illumination of 0.8 Lx, a signal-to-noise ratio of 50 dB, and support for adjusting parameters such as wide dynamic range, noise reduction, and white balance via an OSD Chinese menu. The power adapter is compatible with AC110V-AC220V. Dimensions are 230mm × 209mm × 239mm.
[0036] The working principle of this utility model is as follows: All electrical components mentioned are electrically connected to the main controller and power supply inside the camera body 2. Existing publicly available power connection technologies are not detailed here. During use, if the image from the camera body 2 becomes blurry, and it is determined that this is due to dust adhering to the lens, the lens needs to be cleaned. First, the angle of the camera body 2 is adjusted so that its lens is precisely facing forward. Then, the drive motor 17 is started. The rotation of the drive end of the drive motor 17, through the precise transmission mechanism 16, drives the rotating shaft 8 to rotate. The rotation of the rotating shaft 8 further drives the support arm 9 to rotate. The rotation of the support arm 9, via the electric telescopic rod 21, moves the cleaning plate 11, allowing it to smoothly move out from the front of the fixed box 3. Simultaneously, the drive end of the electric telescopic rod 21 is extended to precisely adjust the length of the cleaning plate 11, ensuring that the cleaning plate 11 completely covers the lens portion of the camera body 2. The cleaning plate 11 is continuously controlled to rotate with the support arm 9, ensuring it moves accurately to the front of the lens. At this time, the scraper 19 and brush 20 on the back of the cleaning plate 11 make full contact with the lens, and the scraper 19 and brush 20 efficiently clean the dust on the lens. After cleaning, the drive end of the electric telescopic rod 21 retracts, causing the cleaning plate 11 to retract. Then, driven by the drive motor 17, the cleaning plate 11 is smoothly stored in the front of the fixed box 3. Through the above series of precise operations and structural design, this APS-C type CMOS sensor broadcast-grade camera has a self-cleaning function during operation, which can effectively ensure the normal image clarity of the camera. In addition, this self-cleaning method avoids the tediousness of manual cleaning, saving time and reducing manpower consumption, significantly reducing the operating cost of the camera body 2, and has extremely high practicality.
[0037] During the cleaning of the camera body 2, simply relying on the scraper 19 and brush 20 to scrape the lens surface is insufficient to completely remove stubborn dust adhering to the lens. Therefore, during the cleaning process, the pump 14 is activated. The pump 14 draws out the pre-stored cleaning solution from the reservoir 13 through the external drain pipe 6 and delivers it to the cleaning tube 12 via the connecting pipe 7. Since the cleaning tube 12 moves synchronously with the cleaning plate 11, it moves accordingly, allowing the cleaning solution to be sprayed evenly onto the lens surface of the camera body 2 through the atomizing nozzle 23. Under the wetting effect of the cleaning solution, combined with the scraping action of the scraper 19 and brush 20, the adhesion of stubborn dust to the lens surface is effectively reduced, thus significantly improving the cleaning effect on the camera body 2 lens.
[0038] When not in use, the cleaning structure is prone to dust accumulation if directly exposed to the external environment, leading to a significant decrease in cleaning quality during subsequent cleaning operations. To address this issue, during periods of inactivity, the cleaning plate 11 is driven to rotate via a drive motor 17. During rotation, the cleaning plate 11 passes through the elastic sealing strip 18 and enters the storage cover 4. At this time, the scraper 19 and brush 20 on the cleaning plate 11 are housed within a relatively enclosed environment created by the storage cover 4 and the elastic sealing strip 18. This storage method effectively prevents dust from the external environment from adhering to the scraper 19 and brush 20, thereby ensuring the stability and reliability of the cleaning mechanism during long-term operation and guaranteeing consistently good cleaning performance.
[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. An APS-C type CMOS sensor broadcast level camera characterized by, It includes: Mounting base (1), the bottom of the mounting base (1) is provided with camera body (2), a fixed box (3) is fixedly installed on one side of the camera body (2), a drive motor (17) is fixedly installed inside the fixed box (3) at the bottom, a rotating shaft (8) is rotatably installed on the front bottom of the fixed box (3), and the rear end of the rotating shaft (8) passes through the fixed box (3) and extends into the interior of the fixed box (3), and a transmission mechanism (16) is provided between the rotating shaft (8) and the drive end of the drive motor (17). A support arm (9) is fixedly installed at the front end of the rotating shaft (8). An electric telescopic rod (21) is fixedly installed at one end of the support arm (9). A cleaning plate (11) is fixedly installed at the drive end of the electric telescopic rod (21). A scraper (19) and a brush (20) are fixedly installed on the back of the cleaning plate (11).
2. An APS-C type CMOS sensor broadcast camera according to claim 1, characterized in that: A partition (15) is fixedly installed inside the mounting base (1). A liquid storage tank (13) is fixedly installed on the top of the partition (15). A liquid filling pipe (5) is fixedly inserted above one side of the liquid storage tank (13), and one end of the liquid filling pipe (5) passes through the fixed box (3) and extends to the outside of the fixed box (3). An external drain pipe (6) is fixedly inserted below the front of the liquid storage tank (13). A pump body (14) is provided on the external drain pipe (6), and the pump body (14) is connected to the liquid storage tank. The front of the box (13) is fixedly connected, the front end of the external drain pipe (6) passes through the fixed box (3) and extends to the front of the fixed box (3), the top of the cleaning plate (11) is fixedly installed with a cleaning pipe (12), a number of atomizing nozzles (23) are fixedly installed at equal intervals and evenly on the rear side of the outer surface of the cleaning pipe (12), a connecting pipe (7) is fixedly connected between one end of the cleaning pipe (12) and the front end of the external drain pipe (6), and a liquid level sensor is installed inside the liquid storage tank (13).
3. An APS-C type CMOS sensor broadcast camera according to claim 1, characterized in that: A storage cover (4) is fixedly installed on the front of the fixed box (3), and several elastic sealing strips (18) are fixedly installed at the opening on one side of the storage cover (4).
4. An APS-C type CMOS sensor broadcast camera according to claim 1, characterized in that: One end of the support arm (9) is fixedly installed with an auxiliary telescopic rod (22) above and below the electric telescopic rod (21), and the telescopic end of the auxiliary telescopic rod (22) is fixedly connected to the cleaning plate (11).
5. An APS-C type CMOS sensor broadcast camera according to claim 4, characterized in that: A protective sleeve (10) is fixedly connected between the cleaning plate (11) and the support arm (9), and the electric telescopic rod (21) and the auxiliary telescopic rod (22) are both located inside the protective sleeve (10).
6. The APS-C type CMOS sensor broadcast-grade camera according to claim 2, characterized in that: The connecting pipe (7) is made of a flexible hose.
7. An APS-C type CMOS sensor broadcast camera as claimed in claim 1, characterized in that: The transmission mechanism (16) is composed of a driving gear, a driven gear and a synchronous belt. The driving gear and the driven gear are connected by the synchronous belt. The driving gear is fixedly connected to the driving end of the drive motor (17). The driven gear is fixedly installed on the outer wall of one end of the rotating shaft (8) located inside the fixed box (3).