Scheme thermoregulator for the incubator with your own hands. Thermoregulator for incubator on microcontroller

Modern incubators are manufactured with quality thermoregulators. Some of them have microcontrollers. For a conventional incubator, the thermostat can be made independently. However, in this case, much depends on the type of model. To understand this in more detail, it is necessary to consider specific configurations.

Model for the incubator "Kvochka MI-30" with their own hands

The thermoregulator circuit for the Kvochka incubator includes field-effect transistors, as well as a rectifier. The regulator in this case is provided with a dinistor. Directly capacitors are used in an open type. For the purpose of self-assembly the modification requires a conventional insulator. The microcircuit in the indicated incubator is used in the PP20 series.

The scheme of the model for the incubator "Cinderella"

The thermoregulator circuit for the incubator "Cinderella" consists of a rotary regulator. The rectifier is used with two contacts. In order to assemble the modification independently, one dinistor is used. The overload factor of this thermostat fluctuates around 2 A. The input voltage of the circuit is no more than 12 V. The resistors in the system are applied both in the field and in the tuning type. In this case, transceivers are not required for assembly.

Device for incubator "Nasedka"

The thermoregulator circuit for the incubator "Nasedka" includes a modular rectifier. The transceivers are of the field type. In total, three capacitors are used in the circuit . Their capacity at the input is 12 pF. The sensitivity of the system itself fluctuates around 3 μ. The expander for the temperature regulator is installed in a semiconductor type. Stabilizer for the model is not applied. The output voltage of the device is 10 V.

Device for K157UD2

The thermoregulator circuit for the K157UD2 incubator consists of a modular rectifier. The regulator in this case is used with a dipole resistor. There are five capacitors in the circuit. Their capacity is no more than 3.5 pF. The extender in the model is used without a stabilizer. The amplifier is installed on the output. In total, the model uses two diodes. The chip is designed for the PP20 series. Dinistor in this case is absent.

Devices with microcontroller

The thermoregulator circuit for the microcontroller incubator includes a modular rectifier. For the purpose of self-assembly of the modification, a rotary regulator is required. The expander is most often used of a switched type. Transceivers are used as single-pole and bipolar type.

If there is no modulator, a kenotron is used. The maximum sensitivity parameter should reach 5 microns. The output voltage of the system should not exceed 12 V.

Modifications with pulse triodes

This type of thermoregulator circuit for the incubator, created by itself, includes a capacitor modulator. Microchips are most often used in multi-channel type. For the purpose of self-assembly, a single-pole transceiver is used. In total, the work requires two dinistors. A powerful transistor is installed at the output of the circuit. Directly pulsed triodes are used with a stabilizer. On average, the sensitivity of the thermostat should not exceed 6 microns. The output voltage is 10 V. In order to protect the device from failures, various fuses are used.

Use of operational transistors

Operational triodes in devices are installed quite rarely. The scheme of the incubator includes trimmer resistors. Many models use trim transistors. Directly triodes are installed behind the rectifiers. For the purpose of self-assembly, the model can not do without a high-quality modulator.

In this case, three field-type transistors are required. Their capacity should not exceed 2.2 pF. Directly the transceiver is installed behind the regulator. The stabilizer is applied only linear type. It is installed on a chip. The output voltage of devices of this type is about 12 V. In turn, the sensitivity of the temperature regulators is no more than 6 microns.

Single-channel transistors for temperature controllers

With single-channel transistors, the thermoregulator circuit for the incubator (with its own hands to make the device with its presence is not difficult) consists of a modular rectifier, as well as a microcircuit. Regulators for these models are taken with two resistors. The expander is more often used in a tuning type. For the purpose of self-assembly, only semiconductor thyristors are used. All the isolators for the circuit will require two. Capacitors can be used capacitively. As a rule, the overload indicator is at the level of 4.3 A. In this case, the output voltage reaches a maximum of 13 V.

Scheme with two-channel transistors

This scheme of a thermoregulator for an incubator with its own hands assumes the use of semiconductor resistors. Directly rectifiers are standardly used with a modulator. In total there are three capacitors in the circuit.

The stabilizer is used with high capacity. The Dinister for the temperature regulator is suitable only for analog type. The extender in the circuit is installed behind the modulator. Directly the regulator is provided with a rotary type. Diodes in this case are installed behind the rectifier.

Device with low capacitance capacitor

A thermoregulator circuit of this type assumes the use of a modular rectifier. The capacitor itself is used with a capacitance of no more than 2.3 pF. The resistors for the model are selected by a tuning type. In total, the device has three expanders. Safe operation of the device is provided by insulators.

The dinistors in the circuit are of an analog type. In total, one stabilizer is required for the model. Transceivers in this case are absent. The output voltage of the thermostat is at 10 V. The sensitivity of the modulator is no more than 6 microns. The overload indicator of the device is at the level of 3.3 A.

The use of selective capacitors

Thermoregulators with selective capacitors are common. The standard circuit of the device consists of a modular rectifier and two diodes. To extend the signal to the microcircuit, an expander is used. There are two resistors in the circuit.

The transceiver only uses one. The sensitivity index in this case is at the level of 4 microns. The regulator is used as a standard rotary type. It is also important to note that there are modifications with microcontrollers. The input voltage of the devices does not exceed 13 V. The average overload parameter is 3.6 A.

Scheme of the device on resonant capacitors

With resonant capacitors, the thermoregulator circuit for the incubator with its own hands includes a code expander. The sensitivity of the system is no more than 5 microns. The rectifier for the models is suitable only for the modular type. As a rule, resistors are used by trim amplifiers. The transceiver is in the circuit behind the regulator.

To increase the level of throughput, dinistors are used. In some cases, thermostats are manufactured with kenotrons. Most often they are of frequency type. If we talk about the parameters, the capacitance of the capacitors does not exceed 5.2 pF. In this case, the voltage is at 13 V. On average, the overload parameter is 3 A.