CN203882215U

CN203882215U - TRIAC thermostat temperature control device for temperature probe sampling

Info

Publication number: CN203882215U
Application number: CN201420066826.3U
Authority: CN
Inventors: 周芸
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-02-16
Filing date: 2014-02-16
Publication date: 2014-10-15
Anticipated expiration: 2024-02-16

Abstract

The utility model relates to a TRIAC thermostat temperature control device for temperature probe sampling. The TRIAC thermostat temperature control device for the temperature probe sampling is characterized in that the TRIAC thermostat temperature control device comprises a 220V AC power supply, a temperature detection and trigger circuit and a TRIAC controlled heating circuit; the temperature detection and trigger circuit consists of a trigger resistor R1, a temperature switch WK1, a trigger resistor R2 and a temperature switch WK2; and the TRIAC controlled heating circuit comprise an electric hotline RL and a TRIAC BCR. The TRIAC thermostat temperature control device for the temperature probe sampling is applicable to work such as poultry incubation, artificial breeding, cultivation of edible fungi and the like; can effectively address the problems that the above work is previously affected by ambient temperature, manual care and other factors; and can be developed not only as a separate product, but also as an updating and upgrading device for temperature control of farmers' homemade brooder boxes.

Description

The bidirectional triode thyristor constant temperature oven attemperating unit of temp probe sampling

Technical field

The utility model belongs to temperature control technology field, is the bidirectional triode thyristor constant temperature oven attemperating unit about a kind of temp probe sampling.

Background technology

The bidirectional triode thyristor constant temperature oven attemperating unit of temp probe sampling described in the utility model is applicable to be engaged in the work such as poultry hatching, artificial breeding, edible fungus species cultivation.Its these work in the past that can effectively solve is subject to environment temperature, the artificial impact of the factor such as taking care of not in time.Temperature-control range of the present utility model: 20 DEG C～60 DEG C, temperature accuracy: ± 0.6 DEG C.Technical solutions of the utility model both can be used as independent product and had developed, and both can be used as upgrading, the replacement device of peasant household's local method Brooding cases control temperature, and the configuration that also can be used as incubator is combined to carries out supporting exploitation in case.

Technology of the present utility model both can be used as independent product and had developed, and also can be used as upgrading, the replacement device of peasant household's local method Brooding cases control temperature, or was combined to and in case, carries out supporting exploitation as the configuration of incubator.

Below describe the relevant technologies that the bidirectional triode thyristor constant temperature oven attemperating unit of temp probe described in the utility model sampling relates in implementation process in detail.

Utility model content

Goal of the invention and beneficial effect: the bidirectional triode thyristor constant temperature oven attemperating unit of temp probe sampling described in the utility model is applicable to be engaged in the work such as poultry hatching, artificial breeding, edible fungus species cultivation.Its these work in the past that can effectively solve is subject to environment temperature, the artificial impact of the factor such as taking care of not in time.Temperature-control range of the present utility model: 20 DEG C～60 DEG C, temperature accuracy: ± 0.6 DEG C.Technical solutions of the utility model both can be used as independent product and had developed, and also can be used as upgrading, the replacement device of peasant household's local method Brooding cases control temperature, or the configuration that can be used as incubator is combined to and in case, carries out supporting exploitation.

Circuit working principle: the bidirectional triode thyristor constant temperature oven attemperating unit of temp probe sampling by temperature switch WK1～WK2(: temp probe), trigger resistance R 1～R2, bidirectional triode thyristor BCR and heating wire RL etc. and form.Supply with heating wire RL electric current by bidirectional triode thyristor BCR " connection " or " shutoff "; Trigger resistance R 1～R2 and provide trigger current to bidirectional triode thyristor BCR, make bidirectional triode thyristor BCR conducting, temperature switch WK1～WK2 is responsible for temperature and sample and control the break-make of bidirectional triode thyristor BCR, after heating wire RL energising, incubator is implemented to heat.

As: by the Temperature Setting of temperature switch WK at 34.5 DEG C, in the time that the temperature of incubator is less than 34.5 DEG C, 220V AC power provides 4.3mA electric current by triggering resistance R 1 to bidirectional triode thyristor BCR, make bidirectional triode thyristor BCR triggering and conducting, make its heating to heating wire RL power supply, the temperature in incubator raises gradually.

In the time of temperature >=34.5 in incubator DEG C, temperature switch WK opens circuit, and trigger current cut-off disconnects heating wire RL power supply.Incubator is after cooling after a while, and in the time that the temperature of incubator is less than again 34.5 DEG C, temperature switch WK connects again, and heating wire RL obtains the electric heating that starts again, so goes round and begins again, and makes the temperature in incubator remain at 34.5 DEG C.

Technical scheme: the bidirectional triode thyristor constant temperature oven attemperating unit of temp probe sampling, it comprises 220V AC power, temperature detection and trigger circuit, bidirectional triode thyristor control heater circuit, it is characterized in that:

Temperature detection and trigger circuit: it forms by triggering resistance R 1 and temperature switch WK1, triggering resistance R 2 and temperature switch WK2, one end of the live wire end L contact generating resistance R1 of 220V AC power and the one end of triggering resistance R 2, the other end that triggers resistance R 1 connects bidirectional triode thyristor BCR grid G by temperature switch WK1, and the other end that triggers resistance R 2 connects bidirectional triode thyristor BCR grid G by temperature switch WK2;

Bidirectional triode thyristor control heater circuit: it is made up of heating wire RL, bidirectional triode thyristor BCR, the live wire end L of a termination 220V AC power of heating wire RL, the second anode T2 of another termination bidirectional triode thyristor BCR of heating wire RL, the first anode T1 of bidirectional triode thyristor BCR meets the zero line side N of 220V AC power.

Brief description of the drawings

Accompanying drawing 1 is the embodiment circuit working schematic diagram that the utility model provides the bidirectional triode thyristor constant temperature oven attemperating unit of a temp probe sampling.

Embodiment

According to circuit working schematic diagram and the brief description of the drawings of the bidirectional triode thyristor constant temperature oven attemperating unit of the sampling of temp probe shown in accompanying drawing 1, and according to the annexation between components and parts in the each several part circuit described in utility model content, and the components and parts technical parameter described in embodiment requires to implement to realize the utility model.

The technical parameter of components and parts and selection requirement thereof

BCR is bidirectional triode thyristor, and the model of selecting is BCR6AM;

WK1～WK2 is temperature switch, and selecting model is WRC Series Microprocessor Temperature Controller, operating temperature range: 20 DEG C～60 DEG C, and temperature accuracy: ± 0.6 DEG C, operating temperature should be selected corresponding model according to actual needs;

The resistance of resistance R 1～R2 is 51K Ω, power is 2W.

Circuit production main points and circuit debugging explanation

Heating wire RL and laying require: with the heating wire of a 220V, the about 25W of power, long 5m, and the case bottom surface that it is laid on to incubator equably, each incubator base fabric line is 12～14 row; If the volume of incubator or case floorage are larger, can set up again the long heating wire of a 5m;

Because hot-air all floats over the top of incubator, for improving the accuracy of temperature sensing in incubator, so 2 temperature switch WK1～WK2 should be placed in respectively to middle part and the top of incubator, the installation site of temperature switch is easy to operate as principle to be conducive to detection and the personnel of representative temperature in incubator.

For the purpose of circuit debugging safety, can use the 1:1 isolating transformer of a power 100W, circuit working schematic diagram in accompanying drawing 1 to specifications, all welding correctness and the welding quality of components and parts in check circuit, confirm after errorless to enter the debug circuit that powers on;

Constant temperature oven attemperating unit is connected after 220V AC power, by the temperature in thermometer monitoring incubator, approximately cross after 3～4 minutes, that is: treat in incubator that temperature and temperature switch WK1～WK2 reach thermal equilibrium, can monitor respectively the break-make situation of 2 temperature switch WK1～WK2 with the test pencil of multimeter.

Claims

1. a bidirectional triode thyristor constant temperature oven attemperating unit for temp probe sampling, it comprises 220V AC power, temperature detection and trigger circuit, bidirectional triode thyristor control heater circuit, it is characterized in that:

Described temperature detection and trigger circuit form by triggering resistance R 1 and temperature switch WK1, triggering resistance R 2 and temperature switch WK2, one end of the live wire end L contact generating resistance R1 of 220V AC power and the one end of triggering resistance R 2, the other end that triggers resistance R 1 connects bidirectional triode thyristor BCR grid G by temperature switch WK1, and the other end that triggers resistance R 2 connects bidirectional triode thyristor BCR grid G by temperature switch WK2;

Described bidirectional triode thyristor control heater circuit is made up of heating wire RL, bidirectional triode thyristor BCR, the live wire end L of a termination 220V AC power of heating wire RL, the second anode T2 of another termination bidirectional triode thyristor BCR of heating wire RL, the first anode T1 of bidirectional triode thyristor BCR meets the zero line side N of 220V AC power.