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An integral part of the greenhouse is a thermostat (simple options, a diagram for mechanical adjustment of the vents, etc.)

An integral part of the greenhouse is a thermostat (simple options, a diagram for mechanical adjustment of the vents, etc.)


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Many people have special, large or small, greenhouses on their backyards, which are intended for growing seedlings of vegetables, berries, a wide variety of herbs used in cooking, and even flowers.

However, not every owner of such a structure knows how much it is important to maintain the temperature inside the greenhouse air, most suitable for the rapid growth of plants.

In most cases, the so-called thermostats, which have become one of the most important ingredients required for a good harvest.

What is thermoregulation in a greenhouse for?

In greenhouses, it is very important to maintain the temperature of the air, as well as the soil layer at a certain level, regardless of what kind of vegetable crop is grown in them.

Thanks to the provision of round-the-clock temperature control taking into account the type of plant grown in this device, you can get a fairly high yield.

Otherwise, with sudden changes in air temperature, freezing, and overheating of the soil layer, it makes no sense to use greenhouses.

After all, a decrease in temperature is the reason that the greens begin to absorb all the necessary nutrients from the soil much worse, and its increase leads to the fact that the plant either begins to grow rapidly, or almost completely burns out.

By regulating the temperature in the greenhouse and constant control of various parameters inside the tempitsa, the maximum development of the root system in a particular cultivated vegetable crop and their correct growth are achieved. In addition, the correct formation of fruits takes place and the timing of their ripening decreases.

For each type of plant, it is necessary to maintain a certain temperature of air and soil. In most cases, such indicators differ by a couple of degrees.

On average, the temperature in greenhouses is set at + 20 + 22 ° C. However, when choosing the most optimal mode, it is imperative to take into account the characteristics of the plant culture grown in this structure.

How to regulate?

Today, there are special devices that are designed to automatically regulate the temperature regime inside the greenhouse.

But this equipment sometimes turns out to be too expensive in order to export it, especially if the greenhouse is not alone.

In such cases, you can use cheaper and fairly simple methodsthat allow you to effectively lower or increase the temperature. In addition, it should be noted that some of them are more effective in comparison with modern technical devices.

In order to quickly raise the air temperature in a structure, you must use one of the following methods:

  1. Covering the greenhouse with an additional layer of polyethylene film in order to create an air gap that does not react to various environmental factors.
  2. Inside, a so-called secondary greenhouse is made - an additional cover is attached to the previously prepared structure, so that it is located directly above the surface of the plants.
  3. Thorough mulching of the soil layer makes it possible to attract heat to the plants using plastic wrap or black spunbond.

There is also methods to lower the temperature level if necessary inside greenhouses. The most common ones include:

  1. Greenhouses should not be made too long.
  2. Free access of air currents from the environment should take place through the gables.
  3. The structure is treated with a special chalk solution.
  4. Watering grown vegetables with plenty of water in the morning.

If automatic devices are used, then you can use such effective methods as the correct control of the system intended for heating the greenhouse, as well as opening the vents after the appropriate command is given by the thermostat.

Greenhouse temperature controller options

Nowadays, they are produced thermostats of several varieties:

  1. Electronic.
  2. Sensory.
  3. Mechanical.

They differ from each other by the design features and the principle of the mechanism functioning.

Greenhouse thermostat mechanical is a device whose task is to regulate the operation of climatic equipment in order to maintain certain temperature parameters.

It can be used not only for heating, but also for cooling the greenhouse.

Its peculiarity lies in the fact that a separate device is completely independent. In most cases, the device is manufactured in the form of external wiring equipment mounted directly in the greenhouse itself.

On electronic thermostats the role of the sensor is played by a thermistor. The main advantage of devices of this type is called the accuracy in maintaining the temperature regime. After all, they are able to react to even the smallest changes.

Thus, you can significantly save on the consumption of electricity, which is used to heat the greenhouse.

With sensor thermostats you can set a certain time for the heating system. In addition, at different times, you can set a different, most suitable temperature. Such devices, as a rule, are programmed for a fairly long period of time - it is possible to set the desired mode for a week, and in some models for longer.

And here is a video about a homemade thermostat for a greenhouse (temperature control by opening the vents).

Operating principle

The main structural element of the thermostat, regardless of its type, is a special temperature control unit, which functions taking into account the measurement readings of the sensors connected to it.

A simple thermostat for a greenhouse: a diagram.

The device operates according to the following scheme: the heating system receives a signal from the thermostat, which automatically processes the readings measured by several sensors. As a result, the power of the system can either decrease or increase.

Thermoregulators are an irreplaceable thing in order to get a high yield of vegetables, berries and herbs grown in greenhouses.

It tells about an automatic greenhouse window with your own hands.


Watch the video: How to adjust the cycles per hour of the mechanical thermostat (May 2022).


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