The shape of the high-speed ball has a global shape, a cylindrical shape and a hemispherical shape, and the mounting method includes a hanging type, a wall hanging type, and an embedded type. Users can choose according to their needs and actual conditions.
PTZ performance selection
The shape of the high-speed ball has a global shape, a cylindrical shape and a hemispherical shape, and the mounting method includes a hanging type, a wall hanging type, and an embedded type. The engineer or user can choose a high-speed ball with a suitable appearance according to their actual situation.
The fast pan/tilt is the core mechanical component of the high-speed dome camera, and its reliability determines the stable and uninterrupted performance of the high-speed dome camera. The frame part of the gimbal is more convenient to design because of the stamping part combination, so most products now use this structure. On the other hand, due to the high dimensional requirements of dozens of stamping parts and the problems that are prone to problems during installation, transportation and use, some fast-ball manufacturers have begun to adopt higher design requirements. The cast aluminum frame design or injection frame design increases batch product consistency and rack stability.
The motor used in the high-speed dome camera is also the aspect that should be paid attention to. Most of the current DC motors and stepper motors are used. The DC motor is less noisy and more balanced, but the product cost is high, the control system is more complicated, and the service life is longer. Short, so manufacturers are now using a large number of stepper motors. The stepping motor has many advantages such as low manufacturing cost, accurate positioning control, long service life, and the like, and solves the problem of control and noise. By high subdivided motor driving mode, the image jitter in the low speed and high magnification state is minimized. Reduced visual fatigue of monitors. In addition, the fast dome camera is also superior in function to the ordinary pan/tilt, and its variable speed rotation can easily capture the moving target; the infinitely rotating conductive ring design ensures the speed of capturing the target and improves the system. Lifetime problems caused by wire pulling; 180 degree automatic rotation solves the problem of losing the moving target directly below. Therefore, the integration of the high-speed dome camera is more complicated, but it is a reliable multi-function pan/tilt system.
High speed ball protocol and quality
The brain of the high-speed dome camera is the decoder, which is also the only component connected to the external control system. All its functions are realized through its decoding. In the purchase and matching, attention should be paid to avoid uncontrollable defects. Happening. The handshake mode of the decoder with the control system commands is implemented by the same internal convention, which is also known as the communication protocol. The user should select a dome of a different communication protocol type depending on the type of control protocol used.
The protocol type of the controller must be the same as the protocol type of the dome to control. Otherwise, the dome will not be controlled. Usually, when the user has selected a certain control system, for example, the system uses the PELCO protocol matrix controller or the hard disk recorder with this protocol, when purchasing the dome, you must select the fast ball with the PELCO protocol. Type camera, otherwise there will be situations that cannot be controlled. The communication protocol of the imported fast ball machine is basically self-contained, which brings certain limitations to the user's choice of control system. Now there is a fast dome camera with multi-protocol integration, which can integrate a variety of common communication at home and abroad. The agreement allows customers to easily combine systems.
Needless to say, the customer is most concerned about the price issue, but the price is definitely not the only factor to choose the product, the customer must consider the comprehensive factors, weigh the performance and price of the product and other factors, select the performance indicators to meet the project requirements, work stable Reliable, affordable products are the smart choice for customers.
The service quality of the product must also be summarized into the product quality. The service quality includes the repair or replacement after the product has quality problems, and should include the complete service system before, during and after the sale. Before the sale, we should work with the customer to explore the best solution for the project, provide free product training to the customer, and fully display the performance characteristics of the product. After-sales service should guide customers how to properly install and debug equipment, and provide timely and timely maintenance services to solve technical problems encountered by customers. A good company, even if it launches new products frequently, still has good hardware and software maintenance guarantees for the products already sold.
High speed ball comprehensive reference
The high-speed rotation is to quickly convert the dome camera from one observation angle to another, so the high speed is more for the preset position. For example, when the alarm is linked, the dome camera needs to quickly transfer to the observation area according to the alarm signal. The focal length is quickly pulled to a reasonable range so that the user can watch the alarm screen in time.
The other is the zoom factor. Some users only care about how many times the zoom, but ignore the comparison range, what is the short focus, and what is the telephoto. The important function of the high-speed ball In fact, the dome should not only stay on the above points, the dome is not just a camera, but a complex and versatile camera system. Manufacturers often add a lot of useful functions in it, some users may only consider some basic functions, and some engineers in the installation and debugging to save trouble and completely do not consider other excellent features, resulting in functional waste, so that the ball machine Can not fully play its importance. For example, the window shielding function of the dome camera is very important. Nowadays, there are more and more places to install the dome. On the one hand, it is convenient for users to monitor the coverage, but on the other hand, it exposes some ordinary people's privacy or some secret places to the display screen, which may inadvertently infringe citizens. Privacy. Therefore, the manufacturer carefully considered this point when designing. The window masking function is to shield some important privacy points from observing, so that the operator can not peep into privacy and concentrate on important monitoring points. Of course, these are blocked. It is very likely that an image cannot be acquired when an event occurs. In response to this, some high-end manufacturers use a zoom window to shield, when the focal distance is too far to see the detailed privacy point, the mask will be automatically canceled, which ensures both security and privacy.
In the actual selection, the user should select different types of ball machines according to different occasions to match the actual use requirements. For example, when you need to use a PTZ camera that can look up in a stadium, you can choose a ball machine with a head-up function to achieve the purpose of looking up horizontally. The hidden beauty of the elevation camera ensures that the overall design of the venue is coordinated naturally, and it is compatible with other domes. The same powerful function can perform the monitoring task excellently; when it is used in dustproof and anti-fog situations, we can choose the pressurized ball machine, and its IP67 protection level can provide higher environmental adaptability; it may be subject to human damage. In the occasion, we can choose the anti-destructive ball machine to prevent the damage of the ball machine caused by the human knocking and smashing behavior, and ensure the normal operation of the monitoring system. Choosing the most suitable ball machine according to local conditions can greatly improve the reliability and efficiency of the entire monitoring system.
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