CN207836339U - Green house temperature-humidity automatic control system - Google Patents
Green house temperature-humidity automatic control system Download PDFInfo
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- CN207836339U CN207836339U CN201721611764.XU CN201721611764U CN207836339U CN 207836339 U CN207836339 U CN 207836339U CN 201721611764 U CN201721611764 U CN 201721611764U CN 207836339 U CN207836339 U CN 207836339U
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- sliding block
- guide rail
- nozzle
- automatic control
- control system
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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 utility model is related to green house temperature-humidity automatic control systems, technical solution is, including greenhouse main body, both sides are respectively arranged with the first guide rail and the second guide rail being mutually parallel in greenhouse main body, first sliding block is housed on the first leading screw, the clamp of first slider bottom is placed in the sliding groove of the first guide rail, second sliding block is housed on the second leading screw, the clamp of second slider bottom is placed in the sliding groove of the second guide rail, equipped with the first vertical upright bar on first sliding block, equipped with the second vertical upright bar on second sliding block, horizontal spray humidification main pipeline is provided between first upright bar and the top of the second upright bar, multiple first fine mist spray heads are provided on spray humidification main pipeline；The utility model monitors the humiture in greenhouse in real time by temperature sensor and humidity sensor, is humidified and is cooled down by spraying when occurring abnormal, realizes spray humidification main pipeline sliding back and forth in greenhouse main body in conjunction with leading screw, sliding block, is humidified comprehensively.
Description
Technical field
The utility model is related to greenhouse, especially a kind of green house temperature-humidity automatic control system.
Background technology
With the development of reform and opening-up, the up-to-dateness in China is continuously improved.As populous nation in the world, close
Be agricultural production various resources it is relatively on the low side, by 2009, China's per capita area of cultivated farmland was 1.39 mu, only generation
Boundary's average level（3.75 mu per capita）37%；Per capita water resources quantity is 2200 cubic metres, insufficient world average level
1/4, be poorest one of 13 countries of global per capita resources.Within coming few decades, China human mortality will also persistently increase
It is long, how to solve to go to support this sharp contradiction of more population with strategic importance with less resource.So China for
Agricultural research and application are increasingly taken seriously, and agriculture development will necessarily also go on agricultural modernization this road.In recent years
Come, with Planter industry structure adjustment and optimization, Development of Vegetable Industry is swift and violent, and the appearance of greenhouse also allows more and more anti-seasons
It saves vegetables and fruit occurs in people's lives, already becoming an important component of high-efficiency agriculture.Currently, China vegetables
The quantity of greenhouse is extremely more, and is also increasing rapidly.It is planted using greenhouse, also becomes the leading industry that vast farmers are got rich
One of.
Most of greenhouse combined with modern engineering technology means it is limited, automation, intelligence degree it is not high, Hen Duoshi
It waits and needs artificial participation, especially lag significantly behind foreign countries in terms of the monitoring of greenhouse internal environment, processing.How temperature is improved
The intelligence of room greenhouse is so that it can accurately acquire Atmosphere temp.and RH, soil temperature and humidity, intensity of illumination, two in greenhouse
The environmental factors such as concentration of carbon, wind direction, wind speed are aoxidized, and its indoor environment automatic synchronization is handled to advantageous for plant growth
Optimum state be the research of following greenhouse an important directions therefore, be highly desirable to use a set of Temperature and Humidity Control system
System realizes the moisture, nutrient of crops in greenhouse to maintain temperature in greenhouse, humidity in a suitable range
Effective supply improves photosynthetic efficiency, to reach volume increase purpose.
Invention content
For the above situation, to overcome the defect of the prior art, the purpose of the utility model to be just to provide a kind of greenhouse temperature
Automatic humidity control system, can effectively solve the problems, such as can effectively solve green house temperature-humidity monitors automatically, especially cooling in summer
Difference and the problem of high cost that cools down.
The utility model solve technical solution be：
A kind of green house temperature-humidity automatic control system, including greenhouse main body, both sides are respectively arranged with mutually in greenhouse main body
Parallel the first guide rail and the second guide rail, the side of the first guide rail are fixed with first motor, the rotation axis of first motor be placed in
One end of the first leading screw above first guide rail is connected, and the first sliding block is housed on the first leading screw, and the clamp of the first slider bottom is set
In in the sliding groove of the first guide rail, constitute the first sliding block along the first guide rail grow to slide construction, the side of the second guide rail is fixed
There are the second motor, the rotation axis of the second motor to be connected with the one end for the second leading screw being placed in above the second guide rail, on the second leading screw
Equipped with the second sliding block, the clamp of the second slider bottom is placed in the sliding groove of the second guide rail, constitutes the second sliding block along the second guide rail
It is long to slide construction, equipped with the first vertical upright bar on the first sliding block, equipped with the second vertical upright bar on the second sliding block, first
It is provided with horizontal spray humidification main pipeline between upright bar and the top of the second upright bar, is provided on spray humidification main pipeline multiple
First fine mist spray head；
The head body that first fine mist spray head includes nozzle boss and is sleeved in nozzle boss, head body include
Guide pillar seat of housing, spinning of the spinning in the nozzle boss in the housing, the diversion column being sleeved in the guide pillar seat
With the nozzle on the diversion column, the upper oral part of nozzle boss is connected with spraying main line constitutes water inlet end, nozzle boss
Upper lumen, the upper lumen of housing, the inner cavity of diversion column and nozzle inner cavity be sequentially connected it is logical constitute injection channel, under nozzle
The jet port in portion constitutes water outlet, and the inner cavity of nozzle is tapered, is provided on the inner wall of diversion column infraoral and is inclined outwardly and is in
The diversion trench of helical form setting, the water outlet of diversion trench are connected with the interior cavity wall of nozzle, constitute spiral water flowing out structure；
It is provided with bottom plate on the side of first sliding block or the second sliding block, the first water tank and first high is respectively arranged on bottom plate
Press pump, the water outlet of the first water tank are connected with the water inlet of the first high-pressure pump, the water outlet of the first high-pressure pump by the road with spraying
The water inlet end of humidification main pipeline is connected, and constitutes the high service structure of the first fine mist spray head；
Sunscreen spray cooling structure is provided with above greenhouse main body, sunscreen spray cooling structure includes being arranged in greenhouse master
The holder of body both sides, the surface of greenhouse main body are equipped with sunshade net on holder, are provided in holder above sunshade net uniformly distributed
Cool down spray pipe, is provided with injection direction the second fine mist spray head directed downwardly on the spray pipe that cools down, cool down spray pipe
Water inlet end is connected through connecting line with the water outlet of the second high-pressure pump, and the water inlet end of the second high-pressure pump is connected with the second water tank, structure
At the heavy pressure fine spray cooling structure of greenhouse main body；
Temperature sensor and humidity sensor, the letter of temperature sensor and humidity sensor are respectively arranged in greenhouse main body
Number output end is connected with controller, controller respectively with first motor, the second motor, the first high-pressure pump, the second high-pressure pump, aobvious
Show that device, alarm are connected with operation panel, constitutes automatic monitoring structure.
The utility model structure novel is unique, and advantages of simple is easy to produce, easy to operate, is passed by temperature sensor and humidity
Sensor monitors the humiture in greenhouse in real time, is humidified and is cooled down by spraying when occurring abnormal, can be real using stepper motor
The principle of existing positive and negative rotation is realized spray humidification main pipeline sliding back and forth in greenhouse main body in conjunction with leading screw, sliding block, is carried out comprehensive
Humidification is provided with cooling spray pipe above sunshade net, when summer temp is excessively high, carries out mist cooling, temperature moment drop
Low 10 DEG C or so, release inhibition of the summer high temperature to crop, at the same the fine mist spray head on spray pipe that cools down pass through it is intermittent
Clear water is sprayed, dust and sundries at the top of heliogreenhouse can be removed, increase the transmission amount of sunlight, it is ensured that crop obtains enough
Illumination；It is easy to use, efficiently, intelligently regulate and control the humiture inside greenhouse, be the innovation in green house temperature-humidity monitoring, has good
Social and economic benefit.
Description of the drawings
Fig. 1 is the sectional view of the utility model.
Fig. 2 is the partial top view of the utility model track and leading screw.
Fig. 3 is the front view of the first fine mist spray head of the utility model（Partly cut-away）.
Fig. 4 is the front view of the utility model the first fine mist spray head diversion column.
Fig. 5 is the vertical view of the utility model the first fine mist spray head diversion column.
Fig. 6 is the sectional view of the utility model the first fine mist spray head nozzle.
Fig. 7 is the structural schematic diagram of the second high-pressure pump of the utility model.
Fig. 8 is that the utility model electric appliance connects frame figure.
Specific implementation mode
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
It is provided by Fig. 1-8, the utility model includes greenhouse main body 1, and both sides, which are respectively arranged with, in greenhouse main body 1 is mutually parallel
The first guide rail 2 and the second guide rail 3, the side of the first guide rail 2 is fixed with first motor 16, the rotation axis of first motor 16 with set
One end of the first leading screw 20 above the first guide rail 2 is connected, and the first sliding block 6,6 bottom of the first sliding block are housed on the first leading screw 20
Clamp be placed in the sliding groove of the first guide rail 20, constitute the first sliding block along the first guide rail grow to slide construction, the second guide rail 3
Side be fixed with the second motor 17, the rotation axis of the second motor 17 and be placed in 3 top of the second guide rail the second leading screw 21 one
End is connected, and the second sliding block 7 is housed on second leading screw 21, and the clamp of 7 bottom of the second sliding block is placed in the sliding groove of the second guide rail 21,
Constitute the second sliding block along the second guide rail grow to slide construction, equipped with the first vertical upright bar 8 on the first sliding block, on the second sliding block
Equipped with the second vertical upright bar 9, horizontal spray humidification main pipeline is provided between the first upright bar 8 and the top of the second upright bar 9
4, multiple first fine mist spray heads 5 are provided on spray humidification main pipeline 4；
First fine mist spray head 5 includes nozzle boss 57 and the head body being sleeved in nozzle boss, head body
Guide pillar seat 55 in the housing of housing 53, spinning including spinning in the nozzle boss is sleeved in the guide pillar seat
Diversion column 52 and the nozzle 51 on the diversion column, the upper oral part of nozzle boss be connected with spraying main line 4 constitute into
Water end (W.E.), the upper lumen 571 of nozzle boss, the upper lumen 531 of housing, the inner cavity 523 of diversion column 52 and nozzle 1 inner cavity 512
It is sequentially connected logical composition injection channel, the jet port 511 of 51 lower part of nozzle constitutes water outlet, and the inner cavity of nozzle is tapered, water conservancy diversion
The diversion trench 522 for being inclined outwardly and being arranged in the shape of a spiral, the water outlet of diversion trench 522 and spray are provided on the inner wall of column infraoral
The interior cavity wall 513 of mouth is connected, and constitutes spiral water flowing out structure；
It is provided with bottom plate 22 on the side of first sliding block 6 or the second sliding block 7,10 He of the first water tank is respectively arranged on bottom plate
First high-pressure pump 12, the water outlet of the first water tank 10 are connected with the water inlet of the first high-pressure pump 12, the water outlet of the first high-pressure pump 12
Mouth 11 is connected by the road with the water inlet end of spray humidification main pipeline 4, the high service structure of the first fine mist spray head of composition；
The top of greenhouse main body 1 is provided with sunscreen spray cooling structure, and sunscreen spray cooling structure includes being arranged in greenhouse
The holder 13 of main body both sides, the surface of greenhouse main body 1 are equipped with sunshade net 28 on holder, and 28 top of sunshade net is in holder 13
It is provided with uniformly distributed cooling spray pipe 14, injection direction the second fine mist spray head directed downwardly is provided on the spray pipe 14 that cools down
15, the water inlet end of cooling spray pipe 14 is connected through connecting line 27 with the water outlet of the second high-pressure pump 24, the second high-pressure pump 24
Water inlet end be connected with the second water tank 26, constitute the heavy pressure fine spray cooling structure of greenhouse main body；
It is respectively arranged with temperature sensor and humidity sensor in greenhouse main body 1, temperature sensor and humidity sensor
Signal output end is connected with controller, controller respectively with first motor, the second motor, the first high-pressure pump, the second high-pressure pump,
Display, alarm are connected with operation panel, constitute automatic monitoring structure.
For ensure using effect, 53 top of housing of first fine mist spray head 5 together with 7 spinning of nozzle boss, on
Nozzle boss infraoral is stretched out in portion, and the sealing ring 54 for preventing leakage is provided between housing and nozzle boss；Under the diversion column
The conical surface 521 corresponding with nozzle chamber is provided on the outside of end face, cavity wall is close to be fixed together with the conical surface in nozzle 51；
Filter screen 56 is provided in the injection channel.
The holder 13 includes the support of pipelines of the sunshade net holder and top of lower part, and sunshade net 28 is arranged in both sides
Between sunshade net holder, between the both sides support of pipelines that cooling spray pipe 14 is arranged above sunshade net.
The water inlet end of second high-pressure pump 24 is connected through pipeline 25 with the second water tank 26, be provided on the second water tank into
The mouth of a river 23.
It is both provided with the liquid level sensor being connected with controller in first water tank and the second water tank, facilitates both detections
Water level.
First sliding block 6 is provided centrally with the first screw hole 6a to match with the first leading screw, 7 center of the second sliding block
It is provided with the second screw hole 7a to match with the second leading screw；The first motor 16 has the support of first motor holder 18, described
Second motor is supported by the second electric machine support 19, and the one end of the first, second leading screw far from motor is provided with supporting rack；The greenhouse
Main body 1 is made of frame and the plastic film being covered on frame.
Second fine mist spray head, 15 structure is identical as the first fine mist spray head structure or thin using commercially available routine
Waterfog head.
The first motor and the second motor are stepper motor.
The controller be commercial product, as PLC controller, model STC89C51,8051 singlechip controller
Deng, the signal for receiving temperature sensor and humidity sensor, and according to signal to first motor, the second motor, first high
Press pump, the second high-pressure pump corresponding operating can control 2 motors, be adjusted to the position of spray humidification main pipeline, start simultaneously
First high-pressure pump carries out spray humidification；Start the second high-pressure pump and carry out mist cooling, operation panel is for manually controlling each portion
The operation of part, display show operating status, abnormal alarm device alarm occur, and controller is connected with power supply, controller, alarm
Device, display and operation panel may be provided in office, facilitate monitoring.
The service condition of the utility model is to be monitored in real time by temperature sensor and humidity sensor warm and humid in greenhouse
Degree is humidified and is cooled down by spraying when occurring abnormal, the principle of positive and negative rotation can be realized using stepper motor, in conjunction with leading screw,
Sliding block realizes spray humidification main pipeline sliding back and forth in greenhouse main body, is humidified, is provided with above sunshade net comprehensively
Cool down spray pipe, when summer temp is excessively high, carries out mist cooling, temperature moment reduces by 10 DEG C or so, releases summer high temperature
Inhibition to crop, while the fine mist spray head on spray pipe that cools down can remove sunlight by intermittent spray clear water
Ceiling portion dust and sundries increase the transmission amount of sunlight, it is ensured that crop obtains enough illumination；Pass through first motor and second
Motor drives the first leading screw and the rotation of the second leading screw, drives the first sliding block and the second sliding block mobile simultaneously, drives spray humidification master
Pipeline is moved back and forth in greenhouse and is humidified, and when spray humidification, water enters nozzle boss by main line of spraying, through filter screen mistake
After filter, by intake tunnel, flowed out from diversion trench, spiral flow formed in the inner cavity of nozzle, eventually by nozzle with High Speed Turbulent,
The mode of rotation does three-dimensional motion in space, fully rolls up suction, broken, atomization after ejection with extraneous air, makes hydrone in moment
Hundreds of millions 1-10 microns of mist molecule is split into, wherein 95% is less than 4 micron orders, reaches mist, the water of atomization is diffused to rhizosphere
The entire space of environment is effectively humidified, can maximumlly improve the utilization rate of water；Compared with prior art, the utility model
Structure novel is unique, and advantages of simple is easy to produce, easy to operate, is monitored in greenhouse in real time by temperature sensor and humidity sensor
Humiture, be humidified and cooled down by spraying when occurring abnormal, the principle of positive and negative rotation can be realized using stepper motor, in conjunction with
Leading screw, sliding block realize spray humidification main pipeline sliding back and forth in greenhouse main body, are humidified, are set above sunshade net comprehensively
Cooling spray pipe has been set, when summer temp is excessively high, has carried out mist cooling, temperature moment reduces by 10 DEG C or so, releases summer
Inhibition of the high temperature to crop, while the fine mist spray head on spray pipe that cools down can be removed day by intermittent spray clear water
Light top of greenhouse dust and sundries increase the transmission amount of sunlight, it is ensured that crop obtains enough illumination；It is easy to use, efficiently,
Intelligently regulate and control the humiture inside greenhouse, is the innovation in green house temperature-humidity monitoring, there is good social and economic benefit.
Claims (10)
1. a kind of green house temperature-humidity automatic control system, including greenhouse main body（1）, which is characterized in that greenhouse main body（1）Interior both sides
It is respectively arranged with the first guide rail being mutually parallel（2）With the second guide rail（3）, the first guide rail（2）Side be fixed with first motor
（16）, first motor（16）Rotation axis and be placed in the first guide rail（2）First leading screw of top（20）One end be connected, first
Thick stick（20）It is upper that first sliding block is housed（6）, the first sliding block（6）The clamp of bottom is placed in the first guide rail（20）Sliding groove in, constitute
First sliding block along the first guide rail grow to slide construction, the second guide rail（3）Side be fixed with the second motor（17）, the second motor
（17）Rotation axis and be placed in the second guide rail（3）Second leading screw of top（21）One end be connected, the second leading screw（21）On be equipped with
Second sliding block（7）, the second sliding block（7）The clamp of bottom is placed in the second guide rail（21）Sliding groove in, constitute the second sliding block along the
Two guide rails grow to slide construction, equipped with the first vertical upright bar on the first sliding block（8）, equipped with vertical second on the second sliding block
Upright bar（9）, the first upright bar（8）With the second upright bar（9）Top between be provided with horizontal spray humidification main pipeline（4）, spraying
Be humidified main pipeline（4）On be provided with multiple first fine mist spray heads（5）；
First fine mist spray head（5）Including nozzle boss（57）With the head body being sleeved in nozzle boss, head body
Include housing of the spinning in the nozzle boss（53）, guide pillar seat of the spinning in the housing（55）, be sleeved on the guide post
Diversion column in seat（52）With the nozzle on the diversion column（51）, upper oral part and the spraying main line of nozzle boss（4）Phase
Connection constitutes water inlet end, the upper lumen of nozzle boss（571）, housing upper lumen（531）, diversion column（52）Inner cavity
（523）And nozzle（1）Inner cavity（512）It is sequentially connected logical composition injection channel, nozzle（51）The jet port of lower part（511）It constitutes
The inner cavity of water outlet, nozzle is tapered, is provided with and is inclined outwardly and what is be arranged in the shape of a spiral leads on the inner wall of diversion column infraoral
Chute（522）, diversion trench（522）Water outlet and nozzle interior cavity wall（513）It is connected, constitutes spiral water flowing out structure；
First sliding block（6）Or second sliding block（7）Side on be provided with bottom plate（22）, the first water tank is respectively arranged on bottom plate
（10）With the first high-pressure pump（12）, the first water tank（10）Water outlet and the first high-pressure pump（12）Water inlet be connected, first is high
Press pump（12）Water outlet by the road（11）With spray humidification main pipeline（4）Water inlet end be connected, constitute the first fine mist spray head
High service structure；
Greenhouse main body（1）Top be provided with sunscreen spray cooling structure, sunscreen spray cooling structure includes being arranged in greenhouse master
The holder of body both sides（13）, greenhouse main body（1）Surface, on holder be equipped with sunshade net（28）, sunshade net（28）Top exists
Holder（13）It is provided with uniformly distributed cooling spray pipe（14）, cool down spray pipe（14）On be provided with injection direction directed downwardly
Two fine mist spray heads（15）, cool down spray pipe（14）Water inlet end through connecting line（27）With the second high-pressure pump（24）Water outlet
End is connected, the second high-pressure pump（24）Water inlet end and the second water tank（26）It is connected, constitutes the heavy pressure fine spray cooling of greenhouse main body
Structure；
Greenhouse main body（1）Inside it is respectively arranged with temperature sensor and humidity sensor, the letter of temperature sensor and humidity sensor
Number output end is connected with controller, controller respectively with first motor, the second motor, the first high-pressure pump, the second high-pressure pump, aobvious
Show that device, alarm are connected with operation panel, constitutes automatic monitoring structure.
2. green house temperature-humidity automatic control system according to claim 1, which is characterized in that first fine mist spray head
（5）Housing（53）Top and nozzle boss（7）Together, nozzle boss infraoral is stretched out on top to spinning, between housing and nozzle boss
Being provided with prevents the sealing ring of leakage（54）.
3. green house temperature-humidity automatic control system according to claim 1, which is characterized in that the lower end of the diversion column
The conical surface corresponding with nozzle chamber is provided on the outside of face（521）, nozzle（51）Interior cavity wall is close to be fixed on one with the conical surface
It rises.
4. green house temperature-humidity automatic control system according to claim 1, which is characterized in that set in the injection channel
It is equipped with filter screen（56）.
5. green house temperature-humidity automatic control system according to claim 1, which is characterized in that the holder（13）Including
The sunshade net holder of lower part and the support of pipelines on top, sunshade net（28）It is arranged between the sunshade net holder of both sides, cooling spray
Mist pipeline（14）Between the both sides support of pipelines being arranged above sunshade net.
6. green house temperature-humidity automatic control system according to claim 1, which is characterized in that second high-pressure pump
（24）Water inlet end through pipeline（25）With the second water tank（26）It is connected, water inlet is provided on the second water tank（23）.
7. green house temperature-humidity automatic control system according to claim 1, which is characterized in that first water tank and second
The liquid level sensor being connected with controller is both provided in water tank.
8. green house temperature-humidity automatic control system according to claim 1, which is characterized in that first sliding block（6）In
The heart is provided with the first screw hole to match with the first leading screw（6a）, second sliding block（7）It is provided centrally with and the second leading screw phase
Matched second screw hole（7a）.
9. green house temperature-humidity automatic control system according to claim 1, which is characterized in that the first motor（16）
There is first motor holder（18）Support, second motor is by the second electric machine support（19）Support, the first, second leading screw is far from electricity
One end of machine is provided with supporting rack.
10. green house temperature-humidity automatic control system according to claim 1, which is characterized in that the greenhouse main body（1）It is
It is made of frame and the plastic film being covered on frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721611764.XU CN207836339U (en) | 2017-11-28 | 2017-11-28 | Green house temperature-humidity automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721611764.XU CN207836339U (en) | 2017-11-28 | 2017-11-28 | Green house temperature-humidity automatic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207836339U true CN207836339U (en) | 2018-09-11 |
Family
ID=63422984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721611764.XU Expired - Fee Related CN207836339U (en) | 2017-11-28 | 2017-11-28 | Green house temperature-humidity automatic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207836339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453640A (en) * | 2018-12-27 | 2019-03-12 | 河南海力特机电制造有限公司 | Heavy pressure fine spray desulfurization cooling spray head |
| CN111700053A (en) * | 2020-07-31 | 2020-09-25 | 廖铁仙 | Fruit tree nursing device |
-
2017
- 2017-11-28 CN CN201721611764.XU patent/CN207836339U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453640A (en) * | 2018-12-27 | 2019-03-12 | 河南海力特机电制造有限公司 | Heavy pressure fine spray desulfurization cooling spray head |
| CN111700053A (en) * | 2020-07-31 | 2020-09-25 | 廖铁仙 | Fruit tree nursing device |
| CN111700053B (en) * | 2020-07-31 | 2022-04-12 | 山东烟富农业科技有限公司 | Fruit tree nursing device |
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| 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: 20180911 Termination date: 20211128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |