CN209403149U - A kind of agricultural heat preserving type greenhouse - Google Patents
A kind of agricultural heat preserving type greenhouse Download PDFInfo
- Publication number
- CN209403149U CN209403149U CN201821652224.0U CN201821652224U CN209403149U CN 209403149 U CN209403149 U CN 209403149U CN 201821652224 U CN201821652224 U CN 201821652224U CN 209403149 U CN209403149 U CN 209403149U
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- Prior art keywords
- temperature
- circuit
- signal
- coupled
- greenhouse
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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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- Control Of Temperature (AREA)
Abstract
The utility model discloses a kind of agriculture heat preserving type greenhouses, it is related to a kind of agricultural greenhouse, temperature in greenhouse can not be judged at the first time by solving canopy master, when canopy temperature is higher than vegetables suitable growth temperature in turn, canopy master can not take the problem of ventilation and heat measure immediately, its key points of the technical solution are that: include: temperature detecting part, is installed in greenhouse for the temperature in real-time detection greenhouse；Switch portion, including being coupled to the first turning circuit of temperature detecting part and the first Continuity signal of output, being coupled to the first turning circuit to receive the second turning circuit of the first Continuity signal and output switching signal；Driving portion is coupled to switch portion and output drive signal；Rolling screen door is installed on greenhouse with ventilation and heat；Control unit is coupled to driving portion to control the opening and closing of rolling screen door；A kind of agriculture heat preserving type greenhouse of the utility model, when canopy temperature is higher than vegetables suitable growth temperature, rolling screen door is automatically opened with ventilation and heat.
Description
Technical field
The utility model relates to a kind of agricultural greenhouse, in particular to a kind of agriculture heat preserving type greenhouse.
Background technique
The implantation time of vegetables is extremely limited, for the implantation time for extending vegetables, expands vegetable cultivation scale and provides anti-
The listing of season vegetables, vinyl house have become current vegetables and produce essential primary condition.
Kind is implanted with the greenhouse of vegetables, due to the unique production environment of vegetables, needs in greenhouse in the vegetables particular growth stage
Constant temperature is kept, but canopy master can not often judge the temperature in greenhouse at the first time, and then it is suitable for life that canopy temperature, which is higher than vegetables,
When long temperature, canopy master can not take ventilation and heat measure immediately, therefore have improved space.
Utility model content
The purpose of the utility model is to provide a kind of agriculture heat preserving type greenhouses, once it is suitable for life that canopy temperature, which is higher than vegetables,
When long temperature, rolling screen door is automatically opened with ventilation and heat.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of agricultural heat preserving type greenhouse, comprising:
Temperature detecting part is installed in greenhouse and detects signal for the temperature in real-time detection greenhouse with output temperature,
Described in there are two temperature detecting part at least installs；
Switch portion receives temperature detection signal including being coupled to the temperature detecting part and exports the first Continuity signal
First turning circuit is coupled to first turning circuit to receive the second of the first Continuity signal and output switching signal the conducting
Circuit；First turning circuit includes conduction device identical with the temperature detecting part quantity, and the conduction device string
It is coupled to the temperature detecting part；
Driving portion is coupled to the switch portion to receive switching signal and output drive signal；
Rolling screen door is installed on greenhouse with ventilation and heat；
Control unit is coupled to driving portion to receive driving signal and control the opening and closing of rolling screen door in response to driving signal；
Canopy temperature increases, and the control unit controls the rolling screen door and opens；Conversely, the rolling screen door is closed.
Using the above scheme, temperature detecting part in real time detects the temperature in greenhouse, if the temperature in greenhouse by
Gradually switch portion is connected in elevation process, then control unit control rolling screen door, which is opened, ensures that the temperature of greenhouse is permanent to be aerated heat dissipation
It is fixed；
The setting of at least two temperature detecting parts avoids single place's temperature raising or canopy temperature moment liter in greenhouse
Height causes control unit accidentally to open the problem of rolling screen door is to be aerated heat dissipation.
Preferably, further include:
Voltage follow portion is coupled to the driving portion to improve the driving capability of the driving portion.
Using the above scheme, the signal that follows of following device output is essentially identical to the control signal of input, and follows dress
Input impedance height is set, and output impedance is low, improves carrying load ability.
Preferably, the voltage follow portion is voltage follower.
Using the above scheme, voltage follower plays the role of buffering in circuit, isolation, improves carrying load ability.
Preferably, the temperature detecting part includes:
Temperature sensing circuit detects signal for the temperature in real-time detection greenhouse with output temperature；
Bleeder circuit is matched with the temperature sensing circuit so that temperature detection when canopy temperature changes
Circuit output difference strong and weak signals.
Using the above scheme, the temperature detection signal that temperature sensing circuit is exported is under the cooperation of bleeder circuit with big
Temperature of shed gradually rises and gradually increases, and when temperature detection signal enhancing is to switch portion conduction threshold, rolling screen door is opened
It is aerated heat dissipation, temperature sensing circuit susceptibility is high, and temperature detection is accurate.
Preferably, the driving portion further include:
Trigger circuit is coupled to the switch portion to receive switching signal and export trigger signal；
Driving circuit is coupled to the trigger circuit to receive trigger signal and output drive signal；The trigger circuit
For triode, the driving circuit is electromagnetic relay.
Using the above scheme, the triode service life is long, safe and reliable, switching speed is fast, small in size, and triode can be with very
The on-off of small current control high current, there is wide application, once triode collocation electromagnetic relay triode saturation is led
Logical, relay contact responds and then disconnects circuit where main circuit immediately.
Preferably, the driving portion further include:
Circuit is protected, is coupled to the both ends of the electromagnetic relay for protecting the electromagnetic relay.
Using the above scheme, electromagnetic relay can generate the inverse electromotive force of very big voltage, protection portion conduct when power is off
Afterflow protection uses, and absorbs the self induction voltage of electromagnetic relay coil, protects electromagnetic relay, practical.
Preferably, the driving portion further include:
Current-limiting circuit, branch is where being series at the electromagnetic relay with current limliting.
Using the above scheme, generally electromagnetic relay power supply is DC power supply, and electromagnetic relay is a copper wire
Around coil, direct current resistance very little, because there is inductance when making alive, there is an impedance in when power-up, and when stablizing, inductance is not risen
It acts on, if not adding current-limiting circuit, DC voltage is added on the copper coil of a small resistance, and electric current is very big, can burn out line
Circle.
Preferably, the conduction device is one-way conduction diode.
Using the above scheme, one-way conduction diode behavior is stablized, will not be because being changed in the change working performance of temperature
Become.
In conclusion the utility model has the following beneficial effects:
1, temperature detecting part in real time detects the temperature in greenhouse, if during the temperature in greenhouse is gradually increased
Switch portion conducting, then control unit control rolling screen door is opened to be aerated heat dissipation to ensure that the temperature of greenhouse is constant；
2, the setting of at least two temperature detecting parts avoids single place's temperature raising or canopy temperature moment in greenhouse
Raising causes control unit accidentally to open the problem of rolling screen door is to be aerated heat dissipation.
Detailed description of the invention
Fig. 1 is the circuit diagram of temperature detecting part in the present embodiment, switch portion；
Fig. 2 is the circuit diagram of driving portion, voltage follow portion, control unit in the present embodiment.
In figure: 1, temperature detecting part；11, temperature sensing circuit；12, bleeder circuit；2, switch portion；21, the first electric conduction
Road；22, the second turning circuit；3, driving portion；31, trigger circuit；32, driving circuit；33, circuit is protected；34, current-limiting circuit；
4, control unit；5, voltage follow portion.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing 1-2.
As shown in Figure 1 and Figure 2, a kind of agricultural heat preserving type greenhouse disclosed in the present embodiment, including temperature detecting part 1, switch portion
2, driving portion 3, rolling screen door, the control unit 4 for controlling rolling shutter door switching.
As shown in Figure 1 and Figure 2, temperature detecting part 1 is installed in greenhouse for the temperature in real-time detection greenhouse to export
Temperature detection signal, wherein the installation number of temperature detecting part 1 can root there are three the installations of temperature detecting part 1 in the present embodiment
It is adjusted according to the area according to specific greenhouse.Switch portion 2, including temperature detecting part 1 is coupled to receive temperature detection signal simultaneously
It exports the first turning circuit 21 of the first Continuity signal, be coupled to the first turning circuit 21 to receive the first Continuity signal and export
Second turning circuit 22 of switching signal；First turning circuit 21 includes conduction device identical with 1 quantity of temperature detecting part, and
Conduction device is series at temperature detecting part 1, and wherein conduction device is one-way conduction diode.Driving portion 3 is coupled to switch portion 2
To receive switching signal and output drive signal.Rolling screen door is installed on greenhouse with ventilation and heat.Control unit 4 is coupled to driving
Portion 3 is to receive driving signal and control the opening and closing of rolling screen door in response to driving signal.
As shown in Figure 1, in the present embodiment, the parameter of three temperature detecting parts 1 is consistent with performance, wherein with a temperature
Test section 1 as an example, describes the connection relationship between the specific component and component of temperature detecting part 1.Temperature detecting part 1
Including temperature sensing circuit 11, bleeder circuit 12, bleeder circuit 12 is resistance R1；Temperature sensing circuit 11 includes diode VD1.
One end of resistance R1 is connect with power supply VCC, and the other end of resistance R1 is connect with the anode of diode VD1.
The temperature sensing circuit 11 of diode VD1 composition, temperature is every to increase 1 °, and the forward voltage drop of diode VD1 just reduces
3mV or so namely resistance R5 partial pressure increases, the temperature detection signal enhancing that temperature detecting part 1 is exported.
Conduction device is one-way conduction diode D1, and 1 place branch road of each temperature detecting part is in series with and unidirectionally leads
Logical diode.Second turning circuit 22 includes diode D4 and diode D5；Wherein the cathode of diode D4 is with diode D5's
Anode connection, the anode of diode D4 respectively be series at the anode of one-way conduction diode on temperature detecting part 1, resistance R4
One end connection, the other end of resistance R4 are connect with power supply VCC.Wherein the resistance value of resistance R4 is 3000 Ω, and resistance R4 connection
Power supply VCC is 5V, the model 1N4007 of one-way conduction diode D1, diode D4 and diode D5.
As shown in Fig. 2, driving portion 3 includes being coupled to switch portion 2 to receive switching signal and export the triggering of trigger signal
Circuit 31 is coupled to trigger circuit 31 to receive the driving circuit 32 of trigger signal and output drive signal, resistance value as 4700 Ω
Resistance R5；Wherein trigger circuit 31 is triode Q1, and triode Q1 is the triode and model 2SC3998 of NPN type, driving
Circuit 32 is electromagnetic relay KA1, the model hh52p of electromagnetic relay KA1.
As shown in Fig. 2, driving portion 3 further includes being coupled to the both ends of electromagnetic relay for protecting the protection of electromagnetic relay
Circuit 33 is series at electromagnetic relay place branch with the current-limiting circuit 34 of current limliting.Protection circuit 33 is sustained diode 6, is continued
Flow the model IN5399 of diode D6；Current-limiting circuit 34 is resistance R6, and wherein the resistance value of resistance R6 is 1000 Ω.
As shown in Fig. 2, one end with resistance R5, the cathode of diode D5 connect the base stage of triode Q1 respectively；Resistance R5
The other end with ground GND connect；The emitter of triode Q1 with ground GND connect, the collector of triode Q1 respectively with electromagnetism after
The anode connection of one end, sustained diode 6 of electric appliance KA1；The other end of electromagnetic relay KA1 respectively with sustained diode 6
Cathode, resistance R6 one end connection, the other end of resistance R6 and power supply VCC.
As shown in Fig. 2, control unit 4 is micro-machine, model XD-37GB555.To improve electromagnetic relay KA1 driving
The driving capability of micro-machine, branch where electromagnetic relay KA1 normally opened contact KA1-1 are connected with voltage follow portion 5, and voltage
Following portion 5 is voltage follower B1.The forward end and electricity of the wherein model LM324P of voltage follower B1, voltage follower B1
Press follower B1 output end connection, the reverse side of voltage follower B1 respectively with resistance value be 100K Ω resistance R6 one end,
One end of electromagnetic relay KA1 normally opened contact KA1-1 connects；The other end and power supply of electromagnetic relay KA1 normally opened contact KA1-1
VCC connection.The output end of voltage follower B1 and one end of micro-machine connect, and the other end of micro-machine is connect with ground GND.
Wherein drive the opening and closing of rolling screen door by the positive and negative rotation of micro-machine, the driving method of micro-machine and rolling screen door is this
The common knowledge of field technical staff, this will not be repeated here.
The course of work:
1, when the temperature detection signal that three temperature sensing circuits 11 are exported enhances as the temperature rises, namely
When the positive terminal voltage of one-way conduction diode D1, one-way conduction diode D2 and one-way conduction diode D3 reach 5V in figure,
One-way conduction diode D1, one-way conduction diode D2 and one-way conduction diode D3 are in off state, and diode D4,
Diode D5 and triode Q1 are both turned on, and electromagnetic relay KA1 obtains electric, electromagnetic relay KA1 normally opened contact KA1-1 closure, small
Circuit where type motor is in closed state, and micro-machine drives rolling screen door to open；
2, in temperature detection, as one-way conduction diode D1, one-way conduction diode D2 and one-way conduction diode D3
Positive terminal voltage any one when being not up to 5V, diode D4, diode D5 and triode Q1 are turned off, electromagnetic relay
KA1 must not be electric, and electromagnetic relay KA1 normally opened contact KA1-1 is still within off-state, and circuit where micro-machine, which is in, to be disconnected
State.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of agricultural heat preserving type greenhouse, it is characterized in that: including:
Temperature detecting part (1) is installed in greenhouse and detects signal for the temperature in real-time detection greenhouse with output temperature, wherein
There are two the temperature detecting part (1) is at least installed；
Switch portion (2), including the temperature detecting part (1) is coupled to receive temperature detection signal and export the first Continuity signal
The first turning circuit (21), be coupled to first turning circuit (21) to receive the first Continuity signal and output switching signal
The second turning circuit (22)；First turning circuit (21) includes conducting identical with the temperature detecting part (1) quantity
Device, and the conduction device is series at the temperature detecting part (1)；
Driving portion (3) is coupled to the switch portion (2) to receive switching signal and output drive signal；
Rolling screen door is installed on greenhouse with ventilation and heat；
Control unit (4) is coupled to driving portion (3) to receive driving signal and in response to driving signal to control opening for rolling screen door
It closes；
Canopy temperature increases, and the control unit (4) controls the rolling screen door and opens；Conversely, the rolling screen door is closed.
2. a kind of agriculture heat preserving type greenhouse according to claim 1, it is characterized in that: further include:
Voltage follow portion (5) is coupled to the driving portion (3) to improve the driving capability of the driving portion (3).
3. a kind of agriculture heat preserving type greenhouse according to claim 2, it is characterized in that: the voltage follow portion (5) is voltage
Follower.
4. a kind of agriculture heat preserving type greenhouse according to claim 1, it is characterized in that: the temperature detecting part (1) includes:
Temperature sensing circuit (11) detects signal for the temperature in real-time detection greenhouse with output temperature；
Bleeder circuit (12) is matched with the temperature sensing circuit (11) so that temperature when canopy temperature changes
Detection circuit (11) exports different strong and weak signals.
5. a kind of agriculture heat preserving type greenhouse according to claim 1, it is characterized in that: the driving portion (3) further include:
Trigger circuit (31) is coupled to the switch portion (2) to receive switching signal and export trigger signal；
Driving circuit (32) is coupled to the trigger circuit (31) to receive trigger signal and output drive signal；The triggering
Circuit (31) is triode, and the driving circuit (32) is electromagnetic relay.
6. a kind of agriculture heat preserving type greenhouse according to claim 5, it is characterized in that: the driving portion (3) further include:
It protects circuit (33), is coupled to the both ends of the electromagnetic relay for protecting the electromagnetic relay.
7. a kind of agriculture heat preserving type greenhouse according to claim 5, it is characterized in that: the driving portion (3) further include:
Current-limiting circuit (34), branch is where being series at the electromagnetic relay with current limliting.
8. a kind of agriculture heat preserving type greenhouse according to claim 1, it is characterized in that: the conduction device is one-way conduction two
Pole pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821652224.0U CN209403149U (en) | 2018-10-11 | 2018-10-11 | A kind of agricultural heat preserving type greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821652224.0U CN209403149U (en) | 2018-10-11 | 2018-10-11 | A kind of agricultural heat preserving type greenhouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209403149U true CN209403149U (en) | 2019-09-20 |
Family
ID=67932418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821652224.0U Expired - Fee Related CN209403149U (en) | 2018-10-11 | 2018-10-11 | A kind of agricultural heat preserving type greenhouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209403149U (en) |
-
2018
- 2018-10-11 CN CN201821652224.0U patent/CN209403149U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190920 Termination date: 20201011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |