CN206421243U - A kind of daffodil incubator temperature control circuit - Google Patents
A kind of daffodil incubator temperature control circuit Download PDFInfo
- Publication number
- CN206421243U CN206421243U CN201720132028.XU CN201720132028U CN206421243U CN 206421243 U CN206421243 U CN 206421243U CN 201720132028 U CN201720132028 U CN 201720132028U CN 206421243 U CN206421243 U CN 206421243U
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- CN
- China
- Prior art keywords
- lower limit
- upper limit
- control circuit
- relay
- heater
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- Expired - Fee Related
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Abstract
The utility model is related to a kind of daffodil incubator temperature control circuit, including heater circuit and control circuit；The heater circuit includes live wire, switch, the first normally-closed contact, heater and the zero line of lower limit relay；The control circuit includes low-voltage DC power source circuit and heating control circuit；The low-voltage DC power source circuit includes transformer, rectifier bridge stack and electric capacity；The heating control circuit includes lower limit relay, lower limit electric contact thermometer, lower limit diode, upper limit relay, upper limit electric contact thermometer and upper limit diode.The utility model can create an environment for being adapted to growth by the control of daffodil incubator in the temperature range of setting to daffodil.
Description
Technical field
The utility model is related to daffodil planting technology field, more particularly to a kind of daffodil incubator temperature control circuit.
Background technology
The pure white beautiful, pleasant aroma of daffodil, also known as fairy walking over ripples, are loved by people, are famous ornamental flowers.Water
Celestial being flower is fall planting napiform root class greenhouse flowers, likes sunny, vitality tanacity, is resistant to half the moon, can not resist cold, and growth preference temperature is
20-25 DEG C, humidity is 70%-80%, and the bulb of daffodil carries out bud differentiation in the autumn and winter, and early spring blooms, and the florescence is longer, particularly
The bulb of narcissus flower maturity keeps substantial amounts of nutriment, as long as there is water just can be with Growth and anthesis, suitable interior plantation, Hen Duojia
Front yard can all plant a basin daffodil for the previous period in the Spring Festival, just be bloomed when waiting the Spring Festival, increase a celebrating to red-letter day.But the spring
Temperature is relatively low before section, particularly southern area, and due to being not intended for heating, indoor temperature typically below 20 DEG C, is not suitable for narcissus
Flower growth, causes daffodil slow-growing, and it is withered and yellow to even result in bud, will not more bloom as scheduled；Secondly, daffodil is planted in
After the indoor long period, because without sunlight irradiation, leaf can turn yellow, and influence attractive in appearance.
Utility model content
The utility model provides a kind of circuit that can be by the control of daffodil incubator in the temperature range of setting.
The utility model is achieved through the following technical solutions：
A kind of daffodil incubator temperature control circuit, including heater circuit and control circuit；The heater circuit includes mutual
The live wires of the 220V power supplys of series connection, switch, the first normally-closed contact of lower limit relay, the zero line of heater and 220V power supplys；Institute
Stating control circuit includes low-voltage DC power source circuit and heating control circuit；
The low-voltage DC power source circuit includes transformer, rectifier bridge stack and electric capacity；The primary coil of the transformer
One end is by switching connection live wire, other end connection zero line, the input of the two ends connection rectifier bridge stack of secondary coil；The electricity
Hold the two ends for being connected in parallel on rectifier bridge stack output end；
The heating control circuit includes lower limit relay, lower limit electric contact thermometer, lower limit diode, upper limit relay
Device, upper limit electric contact thermometer and upper limit diode；Normally opened contact, lower limit relay coil, the lower limit of the upper limit relay
Electric contact thermometer is connected to the two ends of rectifier bridge stack output end, the two of the normally opened contact of the upper limit relay after being serially connected
End is parallel with the 3rd normally opened contact of lower limit relay, and the lower limit diode and lower limit relay coil are arranged in parallel, under this
The negative pole of diode is limited towards the cathode output end of rectifier bridge stack；Second normally-closed contact of the lower limit relay, upper limit relay
Device coil, upper limit electric contact thermometer are connected to the two ends of rectifier bridge stack output end after being serially connected, the upper limit diode and
Upper limit relay coil is arranged in parallel, the cathode output end of the negative pole of the upper limit diode towards rectifier bridge stack；Rationed the power supply under described
The design temperature of contact temperature meter is less than the design temperature of upper limit electric contact thermometer.
In use, by water of the heater in the daffodil incubator, lower limit electric contact thermometer and above rationing the power supply is connect
Point thermometer is above the water surface in daffodil incubator, closure switch, and 220V power supplys are through transformer pressure-reducing, and rectified bridge heap is whole
Stream, then through capacitor filtering into being powered to late-class circuit after direct current.When firm closure switch switch on power, in daffodil incubator
Temperature is less than the design temperature of lower limit electric contact thermometer, and the temperature contact of lower limit electric contact thermometer is off, under
The first normally-closed contact for limiting relay keeps normally closed, and heater circuit is connected, and heater begins to warm up, rationed the power supply when temperature rises to down
During the design temperature of contact temperature meter, the temperature contact of lower limit electric contact thermometer is connected, but now upper limit relay is normally opened
Contact is still maintained a normally open, and lower limit relay coil is electric still without obtaining, and the first normally-closed contact of lower limit relay still keeps normally closed, plus
Hot device continues to heat, and temperature continues to rise, when temperature rises to the design temperature of upper limit electric contact thermometer, upper limit electric contact
The temperature contact of thermometer is connected, and upper limit relay coil obtains electric adhesive, the normally opened contact closure of upper limit relay, lower limit relay
Device coil obtains electric adhesive, and its 3rd normally opened contact closure maintains the attracting state of lower limit relay, and its first normally-closed contact disconnects
Heater circuit is cut off, heater stops heating, while the second normally-closed contact of lower limit relay disconnects, upper limit relay coil loses
Electrically disconnected, the normally opened contact of upper limit relay recovers normally opened；Heater dead electricity stops after heating, the temperature in daffodil incubator
Begin to decline, when the design temperature of lower limit electric contact thermometer is brought down below at a temperature of, the temperature of lower limit electric contact thermometer
Contact is disconnected, and lower limit relay coil dead electricity disconnects, and its first normally-closed contact recovers normally closed connection heater circuit, and heater is opened again
Begin heating, the second normally-closed contact of lower limit relay recovers normally closed, the 3rd normally opened contact recovers normally opened, so circulation repeatedly, water
Temperature in celestial being flower incubator is maintained in the temperature range of lower limit electric contact thermometer and the setting of upper limit electric contact thermometer.Under
Diode and upper limit diode are limited as fly-wheel diode, suppression is played in lower limit relay and upper limit relay shutdown transient and inhales
Receive the effect of inverse electromotive force.
Further, the heater is parallel with indicator lamp.When normally-closed contact is closed, indicator lamp is bright, illustrates that heater is in
Heated condition.
Further, the heater is electrothermal tube.Electrothermal tube can be placed in water heating, be easily controlled.
The beneficial effects of the utility model are：Using lower limit electric contact thermometer and upper limit electric contact thermometer lower control limit
The working condition of relay and upper limit relay, so as to control the working condition of heater, can control daffodil incubator
In the temperature range of setting, an environment for being adapted to growth is created to daffodil.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make protection domain of the present utility model apparent clear and definite
Define.
As shown in figure 1, embodiment of the present utility model, a kind of daffodil incubator temperature control circuit, including heater circuit and
Control circuit；The heater circuit includes the live wire L for the 220V power supplys being serially connected, switch S, the first of lower limit relay KA1
Normally-closed contact KA1-1, heater EH and 220V power supply zero line N；The control circuit includes low-voltage DC power source circuit and added
Thermal control circuit；
The low-voltage DC power source circuit includes transformer T, rectifier bridge stack UR and electric capacity C；The primary line of the transformer T
One end of circle is by switching S connection live wire L, other end connection zero line N, the two ends connection rectifier bridge stack UR of secondary coil input
End；The electric capacity C is connected in parallel on the two ends of rectifier bridge stack UR output ends；
The heating control circuit include lower limit relay KA1, lower limit electric contact thermometer Q1, lower limit diode D1, on
Limit relay KA2, upper limit electric contact thermometer Q2 and upper limit diode D2；The normally opened contact KA2- of the upper limit relay KA2
1st, lower limit relay KA1 coils, lower limit electric contact thermometer Q1 are connected to the two ends of rectifier bridge stack UR output ends after being serially connected,
The normally opened contact KA2-1 of upper limit relay KA2 two ends are parallel with lower limit relay KA1 the 3rd normally opened contact KA1-3,
Lower limit diode D1 and lower limit relay the KA1 coils from parallel connection of coils is set, and lower limit diode D1 negative pole is towards rectifier bridge stack
UR cathode output end；The second normally-closed contact KA1-2 of the lower limit relay KA1, upper limit relay KA2 coils, on ration the power supply
Contact temperature meter Q2 is connected to the two ends of rectifier bridge stack UR output ends, the upper limit diode D2 and upper limit relay after being serially connected
Device coil KA2 is arranged in parallel, the cathode output end of upper limit diode D2 negative pole towards rectifier bridge stack UR；Ration the power supply and connect under described
The design temperature of point thermometer is 20 DEG C, and the design temperature of upper limit electric contact thermometer is 25 DEG C.
In use, by heater EH in the water in daffodil incubator, by lower limit electric contact thermometer Q1 and the upper limit
Electric contact thermometer Q2 is above the water surface in daffodil incubator, and closure switch S, 220V power supply is depressured through transformer T, through whole
Flow after bridge heap UR rectifications, then powered to late-class circuit after being filtered into direct current through electric capacity C.When firm closure switch S switches on power, water
Temperature in celestial being flower incubator is less than lower limit electric contact thermometer Q1 20 DEG C of design temperature, lower limit electric contact thermometer Q1 temperature
Degree contact is off, and lower limit relay KA1 the first normally-closed contact KA1-1 keeps normally closed, and heater circuit is connected, heating
Device EH is begun to warm up, when temperature rises to lower limit electric contact thermometer Q1 20 DEG C of design temperature, lower limit electric contact thermometer
Q1 temperature contact is connected, but now upper limit relay KA2 normally opened contact KA2-1 is still maintained a normally open, lower limit relay KA1 lines
Circle is electric still without obtaining, and lower limit relay KA1 the first normally-closed contact KA1-1 still keeps normally closed, and heater EH continues to heat, temperature
Continue to rise, when temperature rises to upper limit electric contact thermometer Q2 25 DEG C of design temperature, upper limit electric contact thermometer Q2's
Temperature contact is connected, and upper limit relay KA2 coils obtain electric adhesive, upper limit relay KA2 normally opened contact KA2-1 closures, lower limit
Relay KA1 coils obtain electric adhesive, and its 3rd normally opened contact KA1-3 closures maintain lower limit relay KA1 attracting state, and it the
One normally-closed contact KA1-1 disconnects cut-out heater circuit, and heater EH stops heating, while the second of lower limit relay KA1 is normally closed
Contact KA1-2 disconnects, and upper limit relay KA2 coil losing electricities disconnect, and upper limit relay KA2 normally opened contact KA2-1 recovers normally opened；
Heater EH dead electricity stops after heating, and the temperature in daffodil incubator is begun to decline, and is brought down below down to ration the power supply at a temperature of and connects
During 20 DEG C of point thermometer Q1 design temperature, lower limit electric contact thermometer Q1 temperature contact disconnects, lower limit relay KA1 coils
Dead electricity is disconnected, and its first normally-closed contact KA1-1 recovers normally closed connection heater circuit, and heater EH is begun to warm up again, lower limit relay
Device KA1 the second normally-closed contact KA1-2 recovers normally closed, the 3rd normally opened contact KA1-3 recovers normally opened, so circulates repeatedly, narcissus
Temperature in flower incubator is maintained at the temperature range 20 of lower limit electric contact thermometer Q1 and upper limit electric contact thermometer Q2 settings
In DEG C -25 DEG C.Lower limit diode D1 and upper limit diode D2 is as fly-wheel diode, in lower limit relay KA1 and upper limit relay
Device KA2 shutdown transients play a part of suppressing to absorb inverse electromotive force.
For instruction heater EH working condition, the heater EH is parallel with indicator lamp HL.When normally-closed contact KA-1 is closed
Indicator lamp HL is bright during conjunction, illustrates that heater EH is in heated condition.
In the present embodiment, the heater EH is electrothermal tube.Electrothermal tube can be placed in water heating, be easily controlled.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any change or replacement expected without creative work should all be covered within protection domain of the present utility model.
Therefore, protection domain of the present utility model should be determined by the scope of protection defined in the claims.
Claims (3)
1. a kind of daffodil incubator temperature control circuit, it is characterised in that：Including heater circuit and control circuit；The heater circuit
Live wire, switch, the first normally-closed contact of lower limit relay, heater and 220V power supplys including the 220V power supplys that are serially connected
Zero line；The control circuit includes low-voltage DC power source circuit and heating control circuit；
The low-voltage DC power source circuit includes transformer, rectifier bridge stack and electric capacity；One end of the primary coil of the transformer
By switching connection live wire, other end connection zero line, the input of the two ends connection rectifier bridge stack of secondary coil；The electric capacity is simultaneously
It is associated in the two ends of rectifier bridge stack output end；
The heating control circuit include lower limit relay, lower limit electric contact thermometer, lower limit diode, upper limit relay, on
Limit electric contact thermometer and upper limit diode；Normally opened contact, lower limit relay coil, the lower limit electric contact of the upper limit relay
Thermometer is connected to the two ends of rectifier bridge stack output end after being serially connected, the two ends of the normally opened contact of the upper limit relay are in parallel
There is the 3rd normally opened contact of lower limit relay, the lower limit diode and lower limit relay coil are arranged in parallel, the pole of lower limit two
Cathode output end of the negative pole of pipe towards rectifier bridge stack；Second normally-closed contact of the lower limit relay, upper limit relay coil,
Upper limit electric contact thermometer is connected to the two ends of rectifier bridge stack output end, the upper limit diode and upper limit relay after being serially connected
Device coils from parallel connection of coils is set, the cathode output end of the negative pole of the upper limit diode towards rectifier bridge stack；The lower limit electric contact temp
The design temperature of meter is less than the design temperature of upper limit electric contact thermometer.
2. a kind of daffodil incubator temperature control circuit according to claim 1, it is characterised in that：The heater is parallel with
Indicator lamp.
3. a kind of daffodil incubator temperature control circuit according to claim 1, it is characterised in that：The heater is electric heating
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132028.XU CN206421243U (en) | 2017-02-14 | 2017-02-14 | A kind of daffodil incubator temperature control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132028.XU CN206421243U (en) | 2017-02-14 | 2017-02-14 | A kind of daffodil incubator temperature control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206421243U true CN206421243U (en) | 2017-08-18 |
Family
ID=59570341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720132028.XU Expired - Fee Related CN206421243U (en) | 2017-02-14 | 2017-02-14 | A kind of daffodil incubator temperature control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206421243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111488013A (en) * | 2020-04-24 | 2020-08-04 | 中国船舶工业综合技术经济研究院 | Temperature control circuit of electronic equipment |
-
2017
- 2017-02-14 CN CN201720132028.XU patent/CN206421243U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111488013A (en) * | 2020-04-24 | 2020-08-04 | 中国船舶工业综合技术经济研究院 | Temperature control circuit of electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170818 Termination date: 20180214 |