How to choose the appropriate fan for security equipment

In addition to crime prevention, the demand for disaster prevention and care is also expanding in the growing security machine market today.

With the diversification of criminal methods and the improvement of safety awareness, security devices have also become popular in most households, now collectively referred to as home security.

As is well known, the internal heat dissipation of security equipment is a problem. Therefore, when choosing a fan suitable for security equipment, the following key factors need to be considered:

1. Environmental conditions

Temperature: Select the fan based on the ambient temperature of the security equipment. If it is in a high-temperature environment, such as a monitoring equipment box exposed to direct sunlight outdoors, it is necessary to choose a fan that can effectively dissipate heat and withstand high temperatures. Its rated operating temperature should be higher than the maximum ambient temperature.

Humidity: In humid environments such as seaside or basement security equipment rooms, fans with moisture-proof functions should be selected, such as fans with waterproof coatings or sealed designs, to prevent moisture from entering the fan motor and causing short circuits or damage.

Dust: In dusty environments such as security equipment areas on construction sites, fans with filters should be selected to prevent dust from entering the interior of the equipment. They are also easy to clean and maintain to ensure the cooling effect and service life of the fan.

2. Equipment cooling requirements

Power and heat: Understand the power and heat generation of security equipment. Generally, devices with higher power and heat generation require fans to provide stronger heat dissipation capabilities. The required fan airflow can be determined based on the technical specifications of the device.

Cooling method: Different security devices have different cooling methods. For example, some surveillance cameras dissipate heat through their casing and require a fan to quickly dissipate the heat; Some server security devices may adopt air duct design, which requires the selection of matching fans to ensure that the wind can effectively dissipate heat according to the designed path.

3. Fan performance parameters

Airflow: Airflow is an important indicator for measuring the cooling capacity of a fan, typically measured in cubic meters per hour (m ³/h) or cubic feet per minute (CFM).

According to the cooling requirements of the equipment, choose a fan with appropriate air volume. Generally speaking, the fan air volume commonly used in security equipment ranges from tens to hundreds of cubic meters per hour.

Wind pressure: Wind pressure determines the ability of a fan to overcome resistance and deliver air. If the cooling channel of security equipment is long or there are many obstacles, it is necessary to choose a fan with high air pressure to ensure that air can pass through the cooling channel smoothly and achieve good cooling effect.

Speed: Fan speed is related to air volume and pressure. Generally, the higher the speed, the greater the air volume and pressure, but at the same time, the noise may also be higher. On the premise of meeting the heat dissipation requirements, try to choose fans with lower speed and less noise to avoid interference with the security environment.

4. Reliability and durability

Brand and Quality: Choosing fans from well-known brands usually ensures better product quality and reliability. You can refer to the evaluations and usage experience of other users to understand the stability and durability of the fan.

Service life: Consider the expected service life of the fan, especially for some long-term operating security equipment, the service life of the fan directly affects the overall stability of the equipment. High quality fans usually use high-quality motors and bearings, which can ensure reliability under long-term operation, and their service life can reach tens of thousands of hours or even longer.

Protection level: Select fans with appropriate protection levels based on the environment in which the security equipment is located. For example, in harsh outdoor environments, fans should have a high level of protection, such as IP54 or higher, to prevent dust and water from entering.

5. Noise level

For some security places with high noise requirements, such as indoor security equipment areas in banks, museums, etc., low-noise fans should be selected. Generally speaking, the noise level of a fan should be controlled below 40 decibels to avoid interference with the surrounding environment. You can check the noise indicators in the fan product manual and conduct tests in actual environments.

6. Installation method and size

Installation method: Choose the appropriate fan installation method based on the structure and spatial layout of the security equipment. For example, axial fans are usually installed on the side or back of the equipment, while centrifugal fans are suitable for situations that require centralized air supply.

Common installation methods include screw fixation, buckle installation, etc. It is important to ensure that the fan is securely installed to prevent vibration and noise during operation.

Size: The size of the fan should match the cooling space of the device. A fan that is too large may not be able to be installed, while a fan that is too small may not meet the cooling requirements.

When choosing a fan, it is important to accurately measure the installation position and spatial dimensions of the equipment, select a fan of appropriate size, and consider the distance between the fan and other internal components of the equipment to ensure smooth air circulation.

Recommended fan brands and models for security equipment:

Sanace 9WPA1212H40011: 120W waterproof fan, with IP68 protection level, can work normally in water splashing environment (even in severe environments such as rainstorm and humidity).

(1) The maximum air volume is 65.0 cfm and the maximum static pressure is 0.19 mmH2O.

The characteristics of high static pressure and large air volume enable it to dissipate the heat generated by security equipment in a short period of time, ensuring that the equipment operates within the normal temperature range and improving its stability and reliability.

(2) The wide voltage range is 10.2-13.8V, and the noise level is 30dB (A).

The noise generated during operation is relatively low and will not cause interference to the surrounding environment, making it particularly suitable for security places with high noise requirements, such as banks, museums, monitoring rooms, etc.

(3) Application scenarios:

Outdoor monitoring equipment: such as road surveillance cameras, forest fire monitoring equipment, etc.

Security control cabinet: used to store various devices of the security system, such as hard disk recorders, switches, etc.

Other outdoor electronic devices: such as solar street lights, outdoor display screens, charging stations, etc.

Capital Technology Co., Limited is the chief agent of SANYO DENKI, one of the leading enterprises of the cooling fan industry. We are a factory who also have our own independent brand CAPITAL product series. The main products are cooling fan, DC/AC fan, radiator, filter, reactor etc. We can provide customer with the most professional and perfect technical support, welcome to contact me at anytime at rainlee@szcpt.com.