The 9 Things Your Parents Teach You About Electric Heater > 자유게시판

What You Need to Know About an Electric Heater

electric stove fire white heaters are a great option to provide a quick blast of warmth whenever you need it. They are typically classified based on the size of the room. They also include features like thermostats, an overheat switch and timers.

Electric heaters convert electrical energy into joule heating. The heating element is made up of nichrome wire supported by ceramic insulators.

Resistor

The resistor is a device that reduces the voltage and resorbs some of it in the form heat. It works by converting electrical energy into thermal energy, and wasting just a fraction of power. This is a standard method used in stoves electric light bulbs and heating elements.

The thickness, material and other characteristics of the resistor determine its resistance. The greater the resistance of the resistor the greater power will be absorbed. This is because higher resistances cause greater electrons and collisions. The higher the temperature, more collisions take place.

Resistors have a maximum power level they are able to safely dissipate. It is typically between 1/8W (0.125W), and 1W. Resistors that have a high power rating are often called "power resistors" and are identified by their larger package size. You can determine the maximum power rating by examining the packaging or comparing it with other resistors with known power ratings.

Electric heaters are a special kind of power resistor that is designed to convert electricity into heat. They produce convective heat by moving air over the resistor or radiant heat by emitting infrared radiation. They are often used together with fans to increase the efficiency of heating.

If the maximum power rating of an resistor is exceeded it will begin to heat up. This could cause damage to other components. In extreme situations the resistor could get to a point at which it self-ignites causing an explosion. To avoid this, it is advised to have a resistor installed to limit the current.

Heater resistors come with a color code that indicates their value and other information such a manufacturing accuracy and temperature coefficient. For instance, a six-banded resistor has the first five bands that will tell you its digits, and then the sixth band will tell you its multiplier and tolerance. If you're looking to determine the value of your own resistor, there are many online calculators that can be used.

Coil

Electric heating coils form the basis of any electrically powered device that makes use of heat to warm objects or liquids. They convert electricity into heat through a process known as conduction, and can be formed into various shapes based on the purpose for which they are used. Heating coils made of electric are capable of generating a significant amount of heat in a short period of time, making them suitable for applications that require quick temperature changes or high levels of thermal efficiency.

The core of an electric heating coil is a tightly wound system of metal wires. This compact structure allows the largest number of wires to be contained in an area of a smaller size, which increases conductivity. The coil is then insulated using various different materials, based on the requirements of the application. Insulation for an electric heater that is used in liquid immersion can be made from a non-flammable polyvinylchloride (PVC) or polyester polyimide. A coil used for cryogenics would typically be insulated using molybdenum diilicide.

In addition to providing protection against elements, these materials also provide resistance to corrosion and oxidation making them suitable for a wide range of industrial applications. Stainless steel is the most realistic electric log burner common element for a heater coil, but nickel-chrome and iron-chromium-aluminum alloys are also commonly used. These alloys offer a great balance of cost, oxidation resistance and corrosion resistance.

Metals used in heating elements are exposed to high temperatures and harsh environments. They must be protected. This includes coatings, sealants, improved drainage and ventilation, as well as regular inspections and maintenance. Moisture intrusion is a different issue which needs to be addressed. It can cause damage to heater's internal components, and shorten the lifespan of the heater.

Coils can also be utilized in other devices, including ovens, water tanks, and furnaces. They can be cut to different shapes based on the intended use and are typically printed on substrates like aluminum 6061-T6, mica sheets (muscovite, phlogopite or muscovite) or conductive plastic. They can be coated with a variety of substances to improve their appearance and performance, including silver, gold and nickel.

Thermostat

While you probably don't think about it much your thermostat is a crucial component of your home comfort system. The primary function of a thermostat is to turn the heater on and OFF so that it can maintain the temperature you prefer. It can also adjust the temperature based on your routine. This is ideal for those who have an unpredictable schedule.

The most popular type of thermostat is the electronic digital variety that you can program using an app on your smartphone or computer interface. Some models have an adaptive feature that can be adapted to your needs. You'll never again have to wonder when you should be home to eat dinner.

In the older thermostats that did not have digital technology, the electrical circuit was controlled by a bi-metal coil or metal strip that would expand or contract depending on the temperature. When the strip expanded or contracted it was tipped by a mercury switch and activated the relay, which switched on the heating. When the strip was cool, it bent backwards and snapped away from its initial position. This shut off the heating.

Modern electric thermostats are more precise than electromechanical ones, using the use of a temperature sensor and a tiny relay. It's still simple to comprehend the workings of an electromechanical thermostat by examining its components.

One of the key elements is a thermometer coil, which is made up of mercury within it. When you pull the lever on the thermostat up or down, it turns the coil, which then tilts the mercury switch in one direction or the other. If the mercury switch tips to the left the current is flowing through it and turns on the relay that turns on the heater.

As the room gets heated the mercury turns to the right, which breaks the circuit. The heater then turns off. When the room cools down the mercury reverts to its initial position. The heater then switches on. If you continue to change the temperature on your electric thermostat, it could have to work overtime to keep up with your ever-changing preferences, causing it to consume more energy than it is required to.

Timer

A wall heater timer allows you to schedule your heating and lighting. In contrast to traditional manual timers it has a built-in clock that will automatically activate and deactivate your lights or heaters at the time you set. It can also help you save money on your daily energy costs by preventing unnecessary usage.

They are most commonly employed in homes however, they can also be found at industrial and commercial establishments. They offer energy efficiency, convenience, and security by regulating when electric circuits are switched on and off. They can be connected to appliances like lights, water pumps, and ovens. They are a great option for people who want to control their electrical appliances without the need for a sophisticated programming system or computer.

Plugging a timer switch into an extension cord or outlet allows you to set it to set. Then, plug in the appliance you want to control. Depending on the model, you can plug in multiple devices at the same time. Some models have a plug in the center of the timer. While others have an outlet on the side or below it. You can pick from a variety of plug-in timer switches, including those that can be controlled with a smartphone or tablet.

The majority of mechanical timers come with a dial that has hour and half-hour marks. They also have little teeth that you can pull outward to set the "ON" time, and then push inward to set the "OFF" time. There are also models with multiple sets, which allow you to set the time of on and off for different days of the week. Remember that mechanical timers may not always work as they should especially when their internal clock is a little off. If your timer isn't turning on or off as it should be, look over the wiring for any errors and make sure that all pins are properly inserted. If you still can't get it to work, you'll need to consult a professional for assistance. Alternatively, you can replace the timer by a new one. It is recommended to keep the timer safe, away from children and pets.