CN107608427A - A kind of improved flower shed heating system - Google Patents
A kind of improved flower shed heating system Download PDFInfo
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- CN107608427A CN107608427A CN201710989712.4A CN201710989712A CN107608427A CN 107608427 A CN107608427 A CN 107608427A CN 201710989712 A CN201710989712 A CN 201710989712A CN 107608427 A CN107608427 A CN 107608427A
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- transistor
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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
A kind of improved flower shed heating system, including housing and heater, the heater are arranged in housing, display lamp are additionally provided with the housing, the heater is located at the lower end of housing, and display lamp is located at the middle upper end of housing；Using IGCT zero cross fired heating control circuit, there is the functions such as thermal resistor open-circuit-protection；Low-voltage safety is reliable, realizes the stabilization of flower shed heating system, realizes the Automated condtrol of greenhouse temperature, is easy to implement automation.
Description
Technical field
The present invention relates to flower planting field, especially a kind of improved flower shed heating system.
Background technology
Flowers, there is the herbaceous plant of ornamental value, be the general designation of the plant for appreciating, happiness is positive and cold-resistant, has numerous
The brachyplast of function is grown, there are numerous species, typical flower, in the short axle of a determinate growth, raw calyx, petal and produces life
The stamen and gynoecium of cell colonization, thus flowers are not only goodlooking, also have and absorb formaldehyde, purify the effect of air, thus not
Pipe is the setoff that flowers are all be unable to do without in urban afforestation, or house decoration；Though flowers are good-looking, cultivation flowers are not allowed
Easily, flowers are supported bad, not only long plain, lose ornamental value, return the loss that grower causes time and efforts；Especially
It is that the control of plantation flowers water, temperature and nutrient in greenhouse is particularly important, in the case of water and nutrient all abundances, temperature
Height also contribute to the growth of flower, thus can control greenhouse temperature constant in a certain range of set value, to colored growth very
It is important, but common greenhouse is raised flowers and simply individually heated in greenhouse, closing heating system when temperature is high, temperature is low
Opening, not only wasting time and energy, labor intensive resource goes to manage, to colored growth and unfavorable, it is therefore desirable to design one
The heating system of the constant canopy temperature of kind energy.
The present invention is exactly for the improvement for solving problem above and carrying out.
The content of the invention
It is an object of the invention to provide one kind to have open circuit protecting function, and low-voltage safety is reliable, real to the temperature in greenhouse
A kind of improved flower shed heating system of existing Automated condtrol.
The present invention is that technical scheme is used by solving its technical problem：
A kind of improved flower shed heating system, including housing and heater, the heater are arranged on housing
It is interior, display lamp is additionally provided with the housing, the heater is located at the lower end of housing, on display lamp is located in housing
End；
Temperature control control circuit is additionally provided with the housing, attaching plug is provided with the outside of housing；
The temperature control control circuit includes power circuit, temperature-control circuit and zero-cross triggering circuit；
The power circuit include voltage-regulator diode VS, decompression capacitor C2, commutation diode VD, filter condenser C1 and
Resistor R1；
The temperature-control circuit includes potentiometer RP, resistor R3, thermistor RT, transistor V1, resistor R2, crystalline substance
Body pipe VT, Light-Emitting Diode VL and electronic switch IC；
The zero-cross triggering circuit includes transistor V2, transistor V3, resistor R4 and resistor R5；
Further, the base stage of the transistor V1 is connected to electronic switch IC after being connected with thermistor RT
Pin 1 on, transistor V1 colelctor electrode is connected with the pin 2 of electronic switch IC；
The pin 2 and pin 3 of the electronic switch IC are in series；
One end of the resistor R3 is connected with filter condenser C1 positive pole and transistor VT respectively, and resistor R3's is another
One end is connected with potentiometer RP one end and the pin 5 of electronic switch IC respectively, the other end of the potentiometer RP
It is connected with the pin 1 of electronic switch IC；
The pin 4 of the electronic switch IC is connected to light emitting diode VL negative pole after being connected with resistor R2
On, light emitting diode VL positive pole is connected with transistor VT；
Further, the negative pole of the voltage-regulator diode VS positive pole phase with attaching plug and filter condenser C1 respectively
Negative pole after company, resistor R1 and decompression capacitor C2 parallel connections respectively with attaching plug and commutation diode VD is connected；
Negative pole of the positive pole of the voltage-regulator diode VS respectively with resistor R1 and commutation diode VD is connected, the rectification
Diode VD positive pole is connected with filter condenser C1 negative pole and transistor V1 emitter stage respectively；
Specifically, the transistor V2 and transistor V3 are parallel with one another, transistor V2 colelctor electrode is connected with transistor VT,
Transistor V3 base stage is connected with resistor R4 and resistor R5 respectively；
One end of the resistor R4 is connected with transistor VT and electric heater EH respectively, resistor R5 one end respectively with
Transistor V3 emitter stage is connected with resistor R3；
The light emitting diode VL is located in display lamp；
Electric heater EH is provided with the heater, electric heater EH respectively with attaching plug and transistor VT phases
Even；Attaching plug access power supply V.
Wherein, RI~R3 selects l/2W metal film resistors：R4 and R5 selects 2W metal film resistors.
RT selects MF51 type pearls negative temperature coefficient thermistor (at 25 DEG C, resistance is 10k Ω).
C1 is from the filtration and electrolysis unit capacitor that pressure voltage is 25V；C2 is from the CBB electric capacity device that pressure voltage is 630V.
YD selects 1N4007 type silicon rectifier diodes.
VS selects 1W, 12V silicon voltage regulator diode, such as the model such as 1N4742.
VI, from Φ 5mm common light emitting diode.
VI and V3 selects 59013 or 58050 type silicon NPN transistors；V2 selects 59015 or 58550 type silicon PNP transistors.
VT asks pipe from 6A, 600V two-way crystalline substance.
IC selects TWH8751 type electronic switch integrated circuits.
The electric heater that power is below 1kW can be selected in EH.
Alternating current 220V voltage is depressured, after VS voltage stabilizings, YD rectifications and C1 filtering through C2, and 11.3V is provided for temperature-control circuit
The direct-current working volts of left and right, securely and reliably.
Operation principle is：RP is used for setting control temperature value, when RT detects the environment temperature of controlled occasion less than RP's
During design temperature, circuit works in IC, turns on VT, electric heater EH energization work.RT resistance with the rising of temperature and
Decline, when controlled temperature reaches RP design temperature, circuit is stopped in IC, and VT cut-offs, EH stops heating.When temperature again
Secondary VT is turned on again when being down to below design temperature, and EH is powered work again, and above procedure is gone round and begun again, you can makes controlled temperature permanent
It is scheduled in set temperature value；
VI is used for RT open circuit protection.When RT is normal, VI saturation conductions；When RT opens a way, V1 cut-offs, IC can not be powered
Work, VT cut-offs, cut-out heater EH current supply circuit；
V2 and V3 ends when it is zero that AC supply voltage is close to the voltage between two zero point, VT anodes, and in VT two
Saturation conduction when voltage between individual anode is higher, forbid VT triggering and conductings；
VL lights when VT is turned on, and extinguishes when VT ends.
The beneficial effects of the present invention are：Using IGCT zero cross fired heating control circuit, opened with thermal resistor
The functions such as road protection；Low-voltage safety is reliable, realizes the stabilization of flower shed heating system, realizes the automation control of greenhouse temperature
System, is easy to implement automation.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of improved flower shed heating system proposed by the present invention.
Fig. 2 is the circuit diagram of temperature-control circuit in a kind of improved flower shed heating system proposed by the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Diagram and specific embodiment are closed, the present invention is expanded on further.
Shown in reference picture 1, Fig. 2, a kind of improved flower shed heating system, including housing 1 and heater 3, institute
Heater 3 is stated in housing 1, display lamp 2 is additionally provided with the housing 1, the heater 3 is located at housing 1
Lower end, display lamp 2 are located at the middle upper end of housing 1；
Temperature control control circuit is additionally provided with the housing 1, the outside of housing 1 is provided with attaching plug 4；
The temperature control control circuit includes power circuit, temperature-control circuit and zero-cross triggering circuit；
The power circuit include voltage-regulator diode VS, decompression capacitor C2, commutation diode VD, filter condenser C1 and
Resistor R1；
The temperature-control circuit includes potentiometer RP, resistor R3, thermistor RT, transistor V1, resistor R2, crystalline substance
Body pipe VT, Light-Emitting Diode VL and electronic switch IC；
The zero-cross triggering circuit includes transistor V2, transistor V3, resistor R4 and resistor R5；
Further, the base stage of the transistor V1 is connected to electronic switch IC after being connected with thermistor RT
Pin 1 on, transistor V1 colelctor electrode is connected with the pin 2 of electronic switch IC；
The pin 2 and pin 3 of the electronic switch IC are in series；
One end of the resistor R3 is connected with filter condenser C1 positive pole and transistor VT respectively, and resistor R3's is another
One end is connected with potentiometer RP one end and the pin 5 of electronic switch IC respectively, the other end of the potentiometer RP
It is connected with the pin 1 of electronic switch IC；
The pin 4 of the electronic switch IC is connected to light emitting diode VL negative pole after being connected with resistor R2
On, light emitting diode VL positive pole is connected with transistor VT；
Further, the negative pole of the voltage-regulator diode VS respectively with attaching plug 4 and filter condenser C1 positive pole
It is connected, the negative pole after resistor R1 and decompression capacitor C2 parallel connections respectively with attaching plug 4 and commutation diode VD is connected；
Negative pole of the positive pole of the voltage-regulator diode VS respectively with resistor R1 and commutation diode VD is connected, the rectification
Diode VD positive pole is connected with filter condenser C1 negative pole and transistor V1 emitter stage respectively；
Specifically, the transistor V2 and transistor V3 are parallel with one another, transistor V2 colelctor electrode is connected with transistor VT,
Transistor V3 base stage is connected with resistor R4 and resistor R5 respectively；
One end of the resistor R4 is connected with transistor VT and electric heater EH respectively, resistor R5 one end respectively with
Transistor V3 emitter stage is connected with resistor R3；
The light emitting diode VL is located in display lamp 2；
Be provided with electric heater EH in the heater 3, electric heater EH respectively with attaching plug 4 and transistor VT
It is connected；
Attaching plug 4 accesses power supply V.
Wherein, RI~R3 selects l/2W metal film resistors：R4 and R5 selects 2W metal film resistors.
RT selects MF51 type pearls negative temperature coefficient thermistor (at 25 DEG C, resistance is 10k Ω).
C1 is from the filtration and electrolysis unit capacitor that pressure voltage is 25V；C2 is from the CBB electric capacity device that pressure voltage is 630V.
YD selects 1N4007 type silicon rectifier diodes.
VS selects 1W, 12V silicon voltage regulator diode, such as the model such as 1N4742.
VI, from Φ 5mm common light emitting diode.
VI and V3 selects 59013 or 58050 type silicon NPN transistors；V2 selects 59015 or 58550 type silicon PNP transistors.
VT asks pipe from 6A, 600V two-way crystalline substance.
IC selects TWH8751 type electronic switch integrated circuits.
The electric heater that power is below 1kW can be selected in EH.
Alternating current 220V voltage is depressured, after VS voltage stabilizings, YD rectifications and C1 filtering through C2, and 11.3V is provided for temperature-control circuit
The direct-current working volts of left and right, securely and reliably.
RP is used for setting control temperature value, when RT detects that the environment temperature of controlled occasion is less than RP design temperature,
Circuit works in IC, turns on VT, electric heater EH energization work.RT resistance declines with the rising of temperature, when controlled
When temperature reaches RP design temperature, circuit is stopped in IC, and VT cut-offs, EH stops heating.When temperature is down to setting again
When below temperature, VT is turned on again, and EH is powered work again, and above procedure is gone round and begun again, you can makes controlled temperature constant in setting temperature
In angle value；
VI is used for RT open circuit protection.When RT is normal, VI saturation conductions；When RT opens a way, V1 cut-offs, IC can not be powered
Work, VT cut-offs, cut-out heater EH current supply circuit；
V2 and V3 ends when it is zero that AC supply voltage is close to the voltage between two zero point, VT anodes, and in VT two
Saturation conduction when voltage between individual anode is higher, forbid VT triggering and conductings；
VL lights when VT is turned on, and extinguishes when VT ends.
Using IGCT zero cross fired heating control circuit, there is the functions such as thermal resistor open-circuit-protection；Low-voltage safety
Reliably, the stabilization of flower shed heating system is realized, realizes the Automated condtrol of greenhouse temperature, is easy to implement automation.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (6)
1. a kind of improved flower shed heating system, including housing (1) and heater (3), heater (3) installation
In housing (1), it is characterised in that：
Display lamp (2) is additionally provided with the housing (1), the heater (3) is located at the lower end of housing (1), display lamp (2)
Positioned at the middle upper end of housing (1)；
Temperature control control circuit is additionally provided with the housing (1), attaching plug (4) is provided with the outside of housing (1)；
The temperature control control circuit includes power circuit, temperature-control circuit and zero-cross triggering circuit；
The power circuit includes voltage-regulator diode VS, decompression capacitor C2, commutation diode VD, filter condenser C1 and resistance
Device R1；
The temperature-control circuit includes potentiometer RP, resistor R3, thermistor RT, transistor V1, resistor R2, transistor
VT, Light-Emitting Diode VL and electronic switch IC；
The zero-cross triggering circuit includes transistor V2, transistor V3, resistor R4 and resistor R5.
A kind of 2. improved flower shed heating system as claimed in claim 1, it is characterised in that the base of the transistor V1
Pole is connected to after being connected with thermistor RT on the pin 1 of electronic switch IC, transistor V1 colelctor electrode and electronics
Switch integrated circuit IC pin 2 is connected；
The pin 2 and pin 3 of the electronic switch IC are in series；
One end of the resistor R3 is connected with filter condenser C1 positive pole and transistor VT respectively, the resistor R3 other end
It is connected respectively with potentiometer RP one end and the pin 5 of electronic switch IC, the other end and the electricity of the potentiometer RP
The pin 1 of sub switch IC is connected；
The pin 4 of the electronic switch IC is connected on light emitting diode VL negative pole after being connected with resistor R2,
Light emitting diode VL positive pole is connected with transistor VT.
A kind of 3. improved flower shed heating system as claimed in claim 1 or 2, it is characterised in that the pole of voltage stabilizing two
Positive pole of the pipe VS negative pole respectively with attaching plug (4) and filter condenser C1 is connected, and resistor R1 and decompression capacitor C2 are simultaneously
Negative pole after connection respectively with attaching plug (4) and commutation diode VD is connected；
Negative pole of the positive pole of the voltage-regulator diode VS respectively with resistor R1 and commutation diode VD is connected, the rectification two level
Pipe VD positive pole is connected with filter condenser C1 negative pole and transistor V1 emitter stage respectively.
A kind of 4. improved flower shed heating system as claimed in claim 1 or 2, it is characterised in that the transistor V2
Parallel with one another with transistor V3, transistor V2 colelctor electrode is connected with transistor VT, transistor V3 base stage respectively with resistor
R4 is connected with resistor R5；
One end of the resistor R4 is connected with transistor VT and electric heater EH respectively, resistor R5 one end respectively with crystal
Pipe V3 emitter stage is connected with resistor R3.
A kind of 5. improved flower shed heating system as claimed in claim 1 or 2, it is characterised in that the light-emitting diodes
Pipe VL is located in display lamp (2).
A kind of 6. improved flower shed heating system as claimed in claim 1 or 2, it is characterised in that the heater
(3) electric heater EH is provided with, electric heater EH is connected with attaching plug (4) and transistor VT respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710989712.4A CN107608427A (en) | 2017-10-23 | 2017-10-23 | A kind of improved flower shed heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710989712.4A CN107608427A (en) | 2017-10-23 | 2017-10-23 | A kind of improved flower shed heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107608427A true CN107608427A (en) | 2018-01-19 |
Family
ID=61077982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710989712.4A Pending CN107608427A (en) | 2017-10-23 | 2017-10-23 | A kind of improved flower shed heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107608427A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202632032U (en) * | 2012-07-13 | 2012-12-26 | 李明洁 | Novel constant-temperature anti-theft monitoring system |
| CN202720527U (en) * | 2012-06-29 | 2013-02-06 | 童兵 | Constant temperature controller circuit |
| CN105165565A (en) * | 2015-09-01 | 2015-12-23 | 芜湖瑞泰精密机械有限公司 | Planting field automatic sprinkling irrigation control circuit |
| CN205545983U (en) * | 2016-02-04 | 2016-08-31 | 太原工业学院 | Electron control by temperature change circuit based on bidirectional thyristor |
| CN207742579U (en) * | 2017-10-23 | 2018-08-17 | 嘉善联合农业科技有限公司 | A kind of improved flower shed heating system |
-
2017
- 2017-10-23 CN CN201710989712.4A patent/CN107608427A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202720527U (en) * | 2012-06-29 | 2013-02-06 | 童兵 | Constant temperature controller circuit |
| CN202632032U (en) * | 2012-07-13 | 2012-12-26 | 李明洁 | Novel constant-temperature anti-theft monitoring system |
| CN105165565A (en) * | 2015-09-01 | 2015-12-23 | 芜湖瑞泰精密机械有限公司 | Planting field automatic sprinkling irrigation control circuit |
| CN205545983U (en) * | 2016-02-04 | 2016-08-31 | 太原工业学院 | Electron control by temperature change circuit based on bidirectional thyristor |
| CN207742579U (en) * | 2017-10-23 | 2018-08-17 | 嘉善联合农业科技有限公司 | A kind of improved flower shed heating system |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |
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| RJ01 | Rejection of invention patent application after publication |