CN105302189A - Greenhouse-used low-power consumption temperature control device - Google Patents
Greenhouse-used low-power consumption temperature control device Download PDFInfo
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- CN105302189A CN105302189A CN201510698571.1A CN201510698571A CN105302189A CN 105302189 A CN105302189 A CN 105302189A CN 201510698571 A CN201510698571 A CN 201510698571A CN 105302189 A CN105302189 A CN 105302189A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The invention discloses a greenhouse-used low-power consumption temperature control device, which comprises a power circuit and a temperature detection control circuit, wherein the power circuit is composed of a power transformer T, rectifier diodes VD1 to VD4, a resistor R1, a power indication light emitting diode VL1, a filter capacitor C1 and a zener diode VS; and the temperature detection control circuit is composed of a thermistor RT, a time-base integrated circuit IC, potentiometers RP1 to RP4, resistors R2 to R4, capacitors C2 to C4, a relay K, a diode VD5 and a light emitting diode VL2. The temperature control device can be used by various greenhouses, and has the advantages that the structure is reasonably designed, the integration degree is high, the control is accurate, the control temperature range is wide, the manufacturing cost is low, and the power consumption is low.
Description
Technical field
The present invention relates to a kind of temperature control equipment, be specifically related to a kind of warmhouse booth temp controller with low energy consumption.
Background technology
Industrialized agriculture is one of the most great-hearted current new industry, and its medium temperature chamber is then the Type Equipment of industrialized agriculture.Greenhouse be a kind ofly can change plant growth environment, be that plant growth creates top condition, the place of avoiding extraneous Four seasons change and weather extremes to affect it, it has put agricultural resources to rational use, preserves the ecological environment, improves the advantages such as agricultural output.Green house control technology is the current research field of frontier nature in the world, and its gordian technique is carried out collection to envirment factors such as temperature, humidity, illumination and effectively controlled, and the final goal of this technology improves to control and homework precision.
Along with improving constantly of agricultural greenhouse scale and industrialization level; need to carry out monitor and forecast to multiple greenhouse of distribution or greenhouse group in certain area coverage; therefore; research and develop the Inspect and control device of multiple greenhouse or greenhouse group; carry out management tool to multiple greenhouse to be of great significance, many greenhouses control devices have a good application prospect.
Green house control circuit structure of the prior art is complicated, difficult wiring and control complicated, and loss is serious, and cost of manufacture is higher, is not suitable for promoting the use of.
Summary of the invention
Goal of the invention: the object of the invention is to solve deficiency of the prior art, provide a kind of reasonable in design, integration degree is high, and control accurately, control temperature scope is wide, and cost of manufacture is lower.Low in energy consumption, be applicable to the warmhouse booth temp controller with low energy consumption that all kinds of warmhouse booth uses.
Technical scheme: a kind of warmhouse booth temp controller with low energy consumption of the present invention, comprise power circuit and temperature detection control circuit, described power circuit is by power transformer T, commutation diode VD1 ~ VD4, resistor R1, power supply indication light diode VL1, filter capacitor C1 and voltage stabilizing diode VS forms, the output terminal of described power transformer T is connected with the rectifier circuit be made up of commutation diode VD1 ~ VD4, the output terminal of described rectifier circuit is connected with resistor R1, described resistor R1 is also connected in parallel to filter capacitor C1 and voltage stabilizing diode VS, described voltage stabilizing diode VS is also connected with power supply indication light diode VL1, described temperature detection control circuit is by thermal resistor RT, time-base integrated circuit IC, potentiometer RP1 ~ RP4, resistor R2 ~ R4, capacitor C2 ~ C4, relay K, diode VD5 and light emitting diode VL2 forms, described resistor R2 is connected with described power supply indication light diode VL1, 2 pin of described time-base integrated circuit IC are connected in parallel to potentiometer RP1 and capacitor C4, described potentiometer RP1 two ends are connected to potentiometer RP3 and resistor R4, 6 pin of described time-base integrated circuit IC are connected in parallel to potentiometer RP2 and capacitor C3, described potentiometer RP2 is also connected in series with resistor R3 and potentiometer RP4, described potentiometer RP3 is connected with described potentiometer RP4, described resistor R4 and potentiometer RP2 is interconnected, and be jointly connected with one end of thermal resistor RT, the other end of described thermal resistor RT is connected to 4 pin and 8 pin of time-base integrated circuit IC, 5 pin of described time-base integrated circuit IC are connected with capacitor C2, 3 pin of described time-base integrated circuit IC are connected in series with light emitting diode VL2 and relay K, described relay K is also connected in parallel to diode VD5.
Further, described resistor R1 ~ R4 selects 1/4W carbon film resistor or metal film resistor.
Further, described potentiometer RP1 and RP2 all selects multi-turn high precision potentiometer: RP3 and RP4 all selects synthesis film variohm.
Further, described thermal resistor RT selects the thermal resistor of negative temperature coefficient.
Further, described capacitor C1 selects withstand voltage to be the aluminium electrolutic capacitor of 25V; Capacitor C2 ~ C4 selects monolithic capacitor or dacron terylene condenser.
Further, described diode VD1 ~ VD4 all selects lN4007 type silicon rectifier diode; Diode VD5 selects lN4148 type transwitch diode.
Further, described voltage stabilizing diode VS selects lW, 12V silicon voltage regulator diode.
Further, described time-base integrated circuit IC selects NE555 time-base integrated circuit.
Further, described relay K selects 12V DC relay.
Beneficial effect: temperature control equipment of the present invention, its reasonable in design, integration degree is high, and controls accurately, and control temperature scope is wide, and cost of manufacture is lower.Low in energy consumption, be applicable to all kinds of warmhouse booth and use.
Accompanying drawing explanation
Fig. 1 is control circuit principle schematic of the present invention.
Embodiment
A kind of warmhouse booth temp controller with low energy consumption as shown in Figure 1, comprises power circuit and temperature detection control circuit.
Described power circuit is made up of power transformer T, commutation diode VD1 ~ VD4, resistor R1, power supply indication light diode VL1, filter capacitor C1 and voltage stabilizing diode VS, the output terminal of described power transformer T is connected with the rectifier circuit be made up of commutation diode VD1 ~ VD4, the output terminal of described rectifier circuit is connected with resistor R1, described resistor R1 is also connected in parallel to filter capacitor C1 and voltage stabilizing diode VS, and described voltage stabilizing diode VS is also connected with power supply indication light diode VL1.
Described temperature detection control circuit is by thermal resistor RT, time-base integrated circuit IC, potentiometer RP1 ~ RP4, resistor R2 ~ R4, capacitor C2 ~ C4, relay K, diode VD5 and light emitting diode VL2 forms, described resistor R2 is connected with described power supply indication light diode VL1, 2 pin of described time-base integrated circuit IC are connected in parallel to potentiometer RP1 and capacitor C4, described potentiometer RP1 two ends are connected to potentiometer RP3 and resistor R4, 6 pin of described time-base integrated circuit IC are connected in parallel to potentiometer RP2 and capacitor C3, described potentiometer RP2 is also connected in series with resistor R3 and potentiometer RP4, described potentiometer RP3 is connected with described potentiometer RP4, described resistor R4 and potentiometer RP2 is interconnected, and be jointly connected with one end of thermal resistor RT, the other end of described thermal resistor RT is connected to 4 pin and 8 pin of time-base integrated circuit IC, 5 pin of described time-base integrated circuit IC are connected with capacitor C2, 3 pin of described time-base integrated circuit IC are connected in series with light emitting diode VL2 and relay K, described relay K is also connected in parallel to diode VD5.
Each components and parts of above-mentioned control circuit are selected as follows:
Further, described resistor R1 ~ R4 selects 1/4W carbon film resistor or metal film resistor.
Further, described potentiometer RP1 and RP2 all selects multi-turn high precision potentiometer: RP3 and RP4 all selects synthesis film variohm.
Further, described thermal resistor RT selects the thermal resistor of negative temperature coefficient.
Further, described capacitor C1 selects withstand voltage to be the aluminium electrolutic capacitor of 25V; Capacitor C2 ~ C4 selects monolithic capacitor or dacron terylene condenser.
Further, described diode VD1 ~ VD4 all selects lN4007 type silicon rectifier diode; Diode VD5 selects lN4148 type transwitch diode.
Further, described voltage stabilizing diode VS selects lW, 12V silicon voltage regulator diode.
Further, described time-base integrated circuit IC selects NE555 time-base integrated circuit.
Further, described relay K selects 12V DC relay.
The principle of work of this circuit is as follows:
Alternating current 220V voltage, after T step-down, VD1 ~ VD4 rectification, C1 filtering and VS voltage stabilizing, produces 12V(VCC) DC voltage, as the working power of IC.Meanwhile, VL1 is lighted.
6 pin of IC are as reference voltage terminal, and 2 pin are as temperature detection control end, and 3 pin are control output end.RP1 is used for the lower limit of design temperature, and RP2 is used for the higher limit of design temperature.The resistance of RT declines along with the rising of temperature.
When the temperature monitoring place rises, the resistance of RT diminishes, and makes 2 pin of IC, 6 pin voltages risings.When temperature reaches the higher limit of setting, the 6 pin voltages of IC will higher than 2V, J3 time, 3 pin output low levels, VL2 extinguishes, and relay K discharges, and the working power of well heater is cut off by its normally open contact, and the temperature monitoring place starts again to decline gradually.Simultaneously 2 pin of IC, 6 pin voltages also start to decline, when temperature be down to the lower limit of design temperature, IC 2 pin voltages lower than Vcc/3 time, 3 pin of IC export high level again, and VL2 is lighted, K adhesive, and the working power of well heater is connected by its normally open contact.So go round and begin again, monitoring premise temperature is maintained in the temperature range of setting.
Temperature control equipment of the present invention, its reasonable in design, integration degree is high, and controls accurately, and control temperature scope is wide, and cost of manufacture is lower.Low in energy consumption, be applicable to all kinds of warmhouse booth and use.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a warmhouse booth temp controller with low energy consumption, it is characterized in that: comprise power circuit and temperature detection control circuit, described power circuit is by power transformer T, commutation diode VD1 ~ VD4, resistor R1, power supply indication light diode VL1, filter capacitor C1 and voltage stabilizing diode VS forms, the output terminal of described power transformer T is connected with the rectifier circuit be made up of commutation diode VD1 ~ VD4, the output terminal of described rectifier circuit is connected with resistor R1, described resistor R1 is also connected in parallel to filter capacitor C1 and voltage stabilizing diode VS, described voltage stabilizing diode VS is also connected with power supply indication light diode VL1, described temperature detection control circuit is by thermal resistor RT, time-base integrated circuit IC, potentiometer RP1 ~ RP4, resistor R2 ~ R4, capacitor C2 ~ C4, relay K, diode VD5 and light emitting diode VL2 forms, described resistor R2 is connected with described power supply indication light diode VL1, 2 pin of described time-base integrated circuit IC are connected in parallel to potentiometer RP1 and capacitor C4, described potentiometer RP1 two ends are connected to potentiometer RP3 and resistor R4, 6 pin of described time-base integrated circuit IC are connected in parallel to potentiometer RP2 and capacitor C3, described potentiometer RP2 is also connected in series with resistor R3 and potentiometer RP4, described potentiometer RP3 is connected with described potentiometer RP4, described resistor R4 and potentiometer RP2 is interconnected, and be jointly connected with one end of thermal resistor RT, the other end of described thermal resistor RT is connected to 4 pin and 8 pin of time-base integrated circuit IC, 5 pin of described time-base integrated circuit IC are connected with capacitor C2, 3 pin of described time-base integrated circuit IC are connected in series with light emitting diode VL2 and relay K, described relay K is also connected in parallel to diode VD5.
2. a kind of warmhouse booth temp controller with low energy consumption according to claim 1, is characterized in that: described resistor R1 ~ R4 selects 1/4W carbon film resistor or metal film resistor.
3. a kind of warmhouse booth temp controller with low energy consumption according to claim 1, is characterized in that: described potentiometer RP1 and RP2 all selects multi-turn high precision potentiometer: RP3 and RP4 all selects synthesis film variohm.
4. a kind of warmhouse booth temp controller with low energy consumption according to claim 1, is characterized in that: described thermal resistor RT selects the thermal resistor of negative temperature coefficient.
5. a kind of warmhouse booth temp controller with low energy consumption according to claim 1, is characterized in that: described capacitor C1 selects withstand voltage to be the aluminium electrolutic capacitor of 25V; Capacitor C2 ~ C4 selects monolithic capacitor or dacron terylene condenser.
6. a kind of warmhouse booth temp controller with low energy consumption according to claim 1, is characterized in that: described diode VD1 ~ VD4 all selects lN4007 type silicon rectifier diode; Diode VD5 selects lN4148 type transwitch diode.
7. a kind of warmhouse booth temp controller with low energy consumption according to claim 1, is characterized in that: described voltage stabilizing diode VS selects lW, 12V silicon voltage regulator diode.
8. a kind of warmhouse booth temp controller with low energy consumption according to claim 1, is characterized in that: described time-base integrated circuit IC selects NE555 time-base integrated circuit.
9. a kind of warmhouse booth temp controller with low energy consumption according to claim 1, is characterized in that: described relay K selects 12V DC relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510698571.1A CN105302189A (en) | 2015-10-26 | 2015-10-26 | Greenhouse-used low-power consumption temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510698571.1A CN105302189A (en) | 2015-10-26 | 2015-10-26 | Greenhouse-used low-power consumption temperature control device |
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| Publication Number | Publication Date |
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| CN105302189A true CN105302189A (en) | 2016-02-03 |
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| CN201510698571.1A Pending CN105302189A (en) | 2015-10-26 | 2015-10-26 | Greenhouse-used low-power consumption temperature control device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272772A (en) * | 2017-08-03 | 2017-10-20 | 过成康 | A kind of low energy consumption, automatic constant temperature control circuit |
| CN107357339A (en) * | 2017-08-18 | 2017-11-17 | 过成康 | A kind of automation temperature adjustment control circuit with multi-gear adjustment |
| CN107491120A (en) * | 2017-08-11 | 2017-12-19 | 过成康 | A kind of low cost, high-precision temperature automatic control system |
| CN107800414A (en) * | 2016-09-06 | 2018-03-13 | 英飞凌科技奥地利有限公司 | Switching device and the method for controlling switch |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201270005Y (en) * | 2008-09-08 | 2009-07-08 | 北京联合大学 | Constant temperature controller for greenhouse |
| CN204229268U (en) * | 2014-12-14 | 2015-03-25 | 衢州市煜鑫农产品加工技术开发有限公司 | A kind of thermostatic control on-off circuit |
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2015
- 2015-10-26 CN CN201510698571.1A patent/CN105302189A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201270005Y (en) * | 2008-09-08 | 2009-07-08 | 北京联合大学 | Constant temperature controller for greenhouse |
| CN204229268U (en) * | 2014-12-14 | 2015-03-25 | 衢州市煜鑫农产品加工技术开发有限公司 | A kind of thermostatic control on-off circuit |
Non-Patent Citations (1)
| Title |
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| 张庆双主编；全新实用电路集粹编辑委员会编著 机械工业出版社: "《全新实用电路集粹 （下册）》", 31 January 2006 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800414A (en) * | 2016-09-06 | 2018-03-13 | 英飞凌科技奥地利有限公司 | Switching device and the method for controlling switch |
| CN107272772A (en) * | 2017-08-03 | 2017-10-20 | 过成康 | A kind of low energy consumption, automatic constant temperature control circuit |
| CN107491120A (en) * | 2017-08-11 | 2017-12-19 | 过成康 | A kind of low cost, high-precision temperature automatic control system |
| CN107357339A (en) * | 2017-08-18 | 2017-11-17 | 过成康 | A kind of automation temperature adjustment control circuit with multi-gear adjustment |
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Application publication date: 20160203 |
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