a temperature control circuit
A temperature control and circuit technology, applied in the direction of temperature control, non-electric variable control, control/regulation system, etc., can solve the problems of unsuitability for widespread use, high price, and high design cost, and achieve good application prospects, simple circuit, and low cost. Effect
Inactive Publication Date: 2017-03-15
南京中航数字科技发展有限公司
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Problems solved by technology
[0003] The technical problem solved by the present invention is that the existing thermostat has complex circuits, relatively high design cost, relatively expensive for ordinary users, not suitable for wide use, and not enough for energy saving and environmental protection
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Embodiment Construction
[0013] The present invention will be further described below in conjunction with the accompanying drawings.
[0014] Such as figure 1 As shown, a temperature control circuit is characterized in that it includes solar photovoltaic panel P1, battery G1, transformer T1, rectifier bridge Dh, filter capacitor C1, relay K, transistor Q1, temperature sensor U1, heating resistance wire RT and sliding rheostat RP, the solar photovoltaic panel P1 is used to collect solar energy, its electric energy output terminal is connected to the storage battery G1, the electric energy output terminal of the storage battery G1 is connected to the primary side of the transformer T1, and the secondary side of the transformer T1 is connected to the The rectifier bridge Dh is connected, the positive output terminal of the rectifier bridge Dh is connected with the collector of the transistor Q1 through the relay K, the emitter of the transistor Q1 is connected with the negative output terminal of the re...
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The invention discloses a sensitivity-adjustable temperature control circuit which comprises a solar photovoltaic panel, a storage battery, a transformer, a rectification bridge, a relay, a triode, a temperature sensor, a heating resistance wire and a sliding rheostat, wherein the solar photovoltaic panel is connected with the primary side of the transformer through the storage battery; the secondary side of the transformer is connected with the rectification bridge; the forward output end of the rectification bridge is connected with a collector of the triode through the relay; a base of the triode is connected with the output end of the temperature sensor; the positive and negative power input ends of the temperature sensor are also connected with a resistor R2, a light emitting diode and the sliding rheostat in sequence; the adjustment end of the sliding rheostat RP is further connected with the sensitivity adjustment end of the temperature sensor; the electric energy output end of the storage battery is connected with the heating resistance wire RT through a contact of the relay. The sensitivity-adjustable temperature control circuit is simple, low in cost, energy-saving and environment-friendly and has a good application prospect.
Description
technical field [0001] The invention relates to a temperature control circuit, which belongs to the technical field of temperature. Background technique [0002] In the field of poultry hatching technology, temperature control is a very important link. At present, the temperature controllers used are all controlled by processor programming and driving circuits. Although the constant temperature is adjustable, the circuit is complicated. The design cost is relatively high, and the price is relatively expensive for ordinary users. It is not suitable for widespread use, cannot make good use of solar energy, and is not energy-saving and environmentally friendly. Contents of the invention [0003] The technical problem solved by the present invention is that the existing thermostat has complex circuit, relatively high design cost, relatively expensive for ordinary users, not suitable for wide use, and insufficient energy saving and environmental protection. The temperature con...
Claims
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IPC IPC(8): G05D23/20
Inventor 傅立铭
Owner 南京中航数字科技发展有限公司