CN1771787A - Automatic flower pot watering device - Google Patents
Automatic flower pot watering device Download PDFInfo
- Publication number
- CN1771787A CN1771787A CN 200510022115 CN200510022115A CN1771787A CN 1771787 A CN1771787 A CN 1771787A CN 200510022115 CN200510022115 CN 200510022115 CN 200510022115 A CN200510022115 A CN 200510022115A CN 1771787 A CN1771787 A CN 1771787A
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- water
- flowerpot
- storage box
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Abstract
The automatic flower pot watering device includes water tank and water level unit, which is connected to the water pot to control the water level inside flower pot. The water tank has water outlet in the bottom, and the water outlet is connected to the water level unit. The water tank includes also top air exhaust, water outlet valve to control the water outlet and air outlet valve for controlling the air exhaust, and the water outlet valve and the air outlet valve are interlinked, so that when one is opened or closed, the other is closed or opened. By means of the interlinked water outlet valve and air outlet valve, the present invention can water the plant and add water to the water tank automatically.
Description
[technical field]
The present invention relates to the greening equipment in the human daily life, relate in particular to the water supply installation of a kind of pot plant.
[background technology]
For basin or the dish thing of planting, not only needed regularly to water but also can not water a lot of water, water is too many, does not have air in the soil, and plant roots also can be rotted.For fear of too many hydropexis being arranged in flowerpot, trying to get to the heart of a matter of existing flowerpot is provided with the limbers mostly, has only the moisture of earth absorption can supply plant utilization after watering, and most of water flows away from the limbers.Because of moisture in the flowerpot is often not enough, the humidity of earth is non-constant, and plant grows up slow; Thereby need often spray water on flowers, to go out many days or forget and water, flowers just beat listless even die.And along with water flows away from the flowerpot bottom, the nutrient in the flowerpot in the soil is also along with loss, and is unfavorable to the growth of plant.(patent No. is " CN200410032036.4 " to name of patent application for " exempt from for a long time water the constant adjustable floral disc of earth humidity ", be 2005.09.28 in open day) a kind of method that supplies water to pot plant disclosed, utilize the water storage bottle that is communicated with flowerpot to supply water to plant, solved the problem of often watering with nutrient loss, but this scheme has following shortcoming: 1) if after the water in the water storage bottle uses up, still might forget in water storage bottle, to add water, and it is also inconvenient to add water.2) water storage bottle can take a lot of spaces, the putting of inconvenient flowerpot.3) this water storage bottle supplies water for a potted flower, is not suitable for extensive use.
[summary of the invention]
Main purpose of the present invention is exactly to provide a kind of automatic flower pot watering device in order to solve problems of the prior art, and this device can add water to flowerpot automatically, and the water storage box of this device self to add water convenient and simple.
Another purpose of the present invention just provides a kind of automatic flower pot watering device, can realize to the plant automatic water-supply in the flowerpot, again can conserve space, neat appearance.
A further object of the present invention just provides a kind of automatic flower pot watering device, realizes giving the plant automatic water-supply in a plurality of flowerpots, is fit to extensive the use.
For achieving the above object, a kind of automatic flower pot watering device that the present invention proposes, comprise water storage box and water gauge, described water gauge is used for being communicated with and controlling with the flowerpot bottom height of water level of flowerpot, described water storage box has the delivery port that is positioned at its bottom, described water storage box is communicated with water gauge by delivery port, described water storage box also comprises the exhaust outlet that is positioned at the water storage box top, outlet valve and air bleeding valve, described outlet valve is used to open or seal delivery port, described air bleeding valve is used to open or seal exhaust outlet, the interlock of described outlet valve and air bleeding valve, exhaust outlet sealing when being used to make delivery port to open, perhaps delivery port sealing during Exhaust Open.
Described air bleeding valve is connected with outlet valve by software connecting line or bar, and described outlet valve is fixed on the outside of delivery port by spring.
Preferably, described air bleeding valve is connected with outlet valve by the software connecting line, described water storage box also comprises the tap lever and is used to control the buoyancy aid of tap lever, described tap lever first end is used to connect Water tap, opening and closing with the control Water tap, second end is outlet valve fixedly, and described buoyancy aid is connected with tap lever second end by the software connecting line.
Further, described water storage box also comprises the tap spring, and described tap spring first end is fixed on the water storage box tank wall, and second end of second end and tap lever is fixed together.
Preferably, described water gauge comprises sub-pipes and catch basin, and described catch basin is used for and the flowerpot internal communication, and the water inlet of described sub-pipes is communicated with the water storage box delivery port, and the delivery port of described sub-pipes is arranged in catch basin.The delivery port of described sub-pipes and the relative position of catch basin decision height of water level.
Preferably, the delivery port of described sub-pipes comprises the water level hole that is located on the sub-pipes water outlet end tube wall, and the height in described water level hole is lower than the peak level that requires in the flowerpot.
Described water level hole is a vertical direction aperture greater than the hole in horizontal direction aperture or at least two holes vertically distributing.
Have the zone that is used to place flowerpot in the described catch basin, described catch basin is by first limbers and the flowerpot internal communication of flowerpot bottom; Perhaps the bottom of the side cell wall of described catch basin has second limbers, is used for being communicated with first limbers of described flowerpot bottom.
The aperture that described catch basin is communicated with flowerpot is provided with screen pack, and the notch of described catch basin is provided with the ventilating cover that is used to hide notch.
Further, also comprise the branch overflow pipe, the water inlet of described minute overflow pipe links to each other with the water storage box delivery port, and overflow pipe had at least two delivery ports in described minute, this minute the delivery port of overflow pipe be communicated with each water gauge respectively.
For achieving the above object, but the present invention also proposes a kind of flowerpot of automatic water-supply, comprise flowerpot, water storage box and water gauge, described water gauge and flowerpot bottom is communicated with and controls height of water level in the flowerpot, described water storage box has the delivery port that is positioned at its bottom, described water storage box is communicated with water gauge by delivery port, described water storage box also comprises the exhaust outlet that is positioned at the water storage box top, outlet valve and air bleeding valve, described outlet valve is used to open or seal delivery port, described air bleeding valve is used to open or seal exhaust outlet, the interlock of described outlet valve and air bleeding valve, exhaust outlet sealing when being used to make delivery port to open, perhaps delivery port sealing during Exhaust Open.
Principle of the present invention is to control the water level of catch basin by water gauge.As shown in Figure 1, 2, the sub-pipes 3 of water gauge is arranged in catch basin 4, and several water levels hole or single bigger hole 31 are arranged on the sub-pipes 3, obtains different water levels by the extent of opening of sealing different water level holes or sealing single bigger water level hole.When the water surface elevation in the catch basin 4 is equal to or higher than water level hole 31, not having air enters the water storage box 1 from water level hole 31, therefore water storage box 1 is a closed state time, the hydraulic pressure of the pressure of catch basin 4 waters surface and water level hole 31 upsides all equals atmospheric pressure Pa by force, the pressure of water storage box 1 inner air is less than atmospheric pressure, be Pa-H (being to be negative pressure in the water tank), as shown in Figure 1; So not having water flows in the catch basin 4.After the water surface in the catch basin 4 slightly reduces x, the pressure in sub-pipes 3 outsides changes, and the outer pressure in water level hole, below 31 drop to Pa by Pa+x, make water from below water level orifice flow to catch basin 4, air enters water gauge from water level hole, top, arrives water storage box 1 top through water pipe.If sub-pipes 3 has only single bigger water level hole 31, or water level hole, top is bigger, then water flows to the catch basin 4 from the below in water level hole 31, and air enters the sub-pipes 3, as Fig. 2 from the top in water level hole 31.Sub-pipes 3 also can be reduced to the pipe of below perforate, and obtain different water levels by regulating pipe with the relative altitude of catch basin 4 this moment.Thereby obtain different earth humidity.And after the water level hole determined, water level was constant, so earth humidity also is constant.Because of water gauge, existing current in sub-pipes 3 and the water storage box 1 have air flow again simultaneously, under the current direction on the air flow, so the runner from each water gauge to water storage box must be a level or upwards, can arrive water storage box smoothly to guarantee the air that enters from water gauge.The water that adds of water storage box is realized by the outlet valve and the air bleeding valve of interlock.In the time of will manually adding water air bleeding valve is up carried, exhaust outlet is opened, and simultaneously outlet valve is closed delivery port, makes the exhaust valve closure exhaust outlet after after water injection, and outlet valve is opened delivery port simultaneously.
The invention has the beneficial effects as follows: 1) water in the water storage box flows into flowerpot by water gauge, and water gauge and water storage box cooperate the water level of controlling in the flowerpot, reach the purpose to the plant automatic water-supply.Water storage box is by the outlet valve and the air bleeding valve of interlock, realize adding water manually or automatically, it is simple and convenient to add water, when the water in the water tank is not enough, pull-up makes air bleeding valve open, also simultaneously outlet valve be closed, and just can manually add water or add water automatically by the tap in the water storage box by exhaust outlet.2) water storage box of the present invention is because of connecting the tap of running water, when the retaining in water storage box is not enough, can in the trend water storage box, add water by the outlet valve and the air bleeding valve of buoyancy aid, tap and interlock,, thereby save the space so the volume of water storage box needn't be too big.3) by dividing overflow pipe, a water storage box supplies water for a plurality of flowerpots, supplies water also can for single flowerpot, is suitable for extensive use, has also reduced the quantity of water storage box simultaneously, has further saved the space, has reduced cost.
Feature of the present invention and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1, the 2nd, automatic water-supply schematic diagram of the present invention;
Fig. 3 is the schematic diagram of a kind of embodiment of the present invention;
Fig. 4 is the schematic diagram of another kind of embodiment of the present invention;
Fig. 5 is the schematic diagram of another embodiment of the present invention;
Fig. 6 is that water storage box embodiment illustrated in fig. 5 is in the schematic diagram that adds water state;
Fig. 7 is the schematic diagram of the 4th kind of embodiment of the present invention.
[embodiment]
Specific embodiment one, as shown in Figure 3, water storage box 1 have the delivery port 13 that is positioned at its bottom, and 13 places are provided with outlet valve 8 at delivery port, are used to open or seal delivery port 13, and outlet valve 8 is fixedly mounted on the outside at delivery port 13 places by spring 15.Water storage box 1 top has exhaust outlet 14, and 14 places are provided with air bleeding valve 10 at exhaust outlet, is used to open or seals exhaust outlet 14.Be connected with soft connecting line or bar 11 between outlet valve 8 and the air bleeding valve 10, under the normal condition, because the effect of spring 15, outlet valve 8 makes delivery port 13 be in open mode, and air bleeding valve is in closed condition; When pull-up air bleeding valve 10 is opened exhaust outlet 14, under the drive of connecting line or bar 11, outlet valve 8 is near delivery port 13, make delivery port 13 sealings, when air bleeding valve 10 put down exhaust outlet 14 sealings, connecting line or bar 11 were lax, and outlet valve 8 makes outlet valve 8 revert to original position under the elastically-deformable elastic force of the recovery of spring 15, delivery port 13 is opened, thereby outlet valve 8 and air bleeding valve 10 are realized interlock.In this case, exhaust outlet is also as the filler, and it is very convenient to add water, regularly adds water in the water tank and gets final product, and how long adds water and looks the size of plant and weather and become, and little strain plant just need add water at the possible some months of cold day.
The bottom of flowerpot 5 (promptly try to get to the heart of a matter or coil side bottom) has first limbers, and flowerpot can be placed in the catch basin 4, and limbers (not expressing among the figure) water inlet by tray bottom reaches the purpose that supplies water to the dish implants; Flowerpot 5 can also be placed side by side with catch basin 4, the bottom of the side cell wall of catch basin 4 has second limbers 41, the bottom of flowerpot (preferably being located at the bottom of side Pan Bi) has first limbers 51 of relative connection with second limbers, if flowerpot 5 and catch basin 4 are made of one, first limbers 51 and second limbers 41 can be combined into a limbers.
Evaporate and grow mosquito for anti-catch basin 4 waters surface expose, the space of exposing be covered, so be provided with the ventilating cover that is used to hide notch at the notch of catch basin.
The aperture of the limbers that catch basin is communicated with flowerpot is provided with screen pack, prevents that the earth in the flowerpot from entering catch basin.
The container of flowerpot general reference serike.
Specific embodiment two, be convenient indoor placement, water storage box, water gauge and flowerpot are integrally combined, and become a whole flowerpot of exempting to supply water, and are suitable for indoor ornaments most, as shown in Figure 4, do not need fully to install, and only need regularly add water.
Specific embodiment three, as shown in Figure 5, on the basis of specific embodiment one, increase adds the faucet device of water automatically in water storage box 1, comprise tap lever 6 and be used to float on the surface, the buoyancy aid 9 of control tap lever, tap lever first end connects Water tap (not expressing among the figure), opening and closing with the control Water tap, second end is outlet valve 8 fixedly, buoyancy aid 9 is connected with tap lever 6 second ends by software connecting line 12 (for example rope or chain), outlet valve 8 also is connected by software connecting line 11 with air bleeding valve, thus outlet valve 8, tap lever 6 second ends are connected with air bleeding valve 10 with buoyancy aid 9 respectively.Second end of tap lever 6 also is fixed with second end of tap spring 7, and tap spring 7 first ends are fixed on water storage box 1 tank wall.
Fig. 5 is the normal water supply situation, and buoyancy aid 9 is in the higher position at this moment, and outlet valve 8 is opened, and air bleeding valve 10 is closed, and two connecting lines 11,12 all are in relaxed state; When water level depression, when buoyancy aid 9 is run into tap lever 6, tap lever 6 is slowly depressed, and at last to critical point, air bleeding valve rope 11 begins to be tightened up at this moment; Second end of tap lever 6 has been crossed and has been moved down very soon under the effect of tap spring 7 after the critical point, closes outlet valve 8 earlier, almost opens the air bleeding valve 10 and the tap of fetching boiling water simultaneously, as shown in Figure 6.Add water level rising buoyancy aid 9 come-ups behind the water, buoyancy aid rope 12 is tightened up, and until lever 6 pull-ups and close tap, outlet valve 8 is pulled up then, and air bleeding valve 10 is closed simultaneously.Get back to the state of Fig. 5, so circulation.When designing this automechanism, should accomplish that outlet valve is closed a little earlier to open that outlet valve is opened and is slightly later to tap again and closes, and outlet valve is made softer sucker can satisfy this requirement in tap; Also the water outlet valve body can be made a cylindrical section shape, the valve stopper is in this cylindrical section always close, thereby satisfy above-mentioned requirements.
Specific embodiment four, as shown in Figure 7, different with specific embodiment three is, and described flowerpot is at least two, and the bottom of each flowerpot is communicated with the bottom of adjacent flowerpot by pipeline, and the bottom of first flowerpot is communicated with water gauge.Promptly have only first flowerpot to need water storage box and water gauge, other flowerpot only needs in the bottom to be communicated with adjacent flowerpot by pipeline and gets final product, and its advantage is to have saved water gauge, and installation also makes things convenient for; Its shortcoming is that each flowerpot must be placed on the sustained height.
Claims (11)
1. automatic flower pot watering device, comprise water storage box and water gauge, described water gauge is used for being communicated with and controlling with the flowerpot bottom height of water level of flowerpot, described water storage box has the delivery port that is positioned at its bottom, described water storage box is communicated with water gauge by delivery port, it is characterized in that: described water storage box also comprises the exhaust outlet that is positioned at the water storage box top, outlet valve and air bleeding valve, described outlet valve is used to open or seal delivery port, described air bleeding valve is used to open or seal exhaust outlet, described outlet valve and air bleeding valve interlock, exhaust outlet sealing when being used to make delivery port to open, perhaps delivery port sealing during Exhaust Open.
2. automatic flower pot watering device as claimed in claim 1 is characterized in that: described air bleeding valve is connected with outlet valve by software connecting line or bar, and described outlet valve is fixed on the outside of delivery port by spring.
3. automatic flower pot watering device as claimed in claim 1, it is characterized in that: described air bleeding valve is connected with outlet valve by the software connecting line, described water storage box also comprises the tap lever and is used to control the buoyancy aid of tap lever, described tap lever first end is used to connect Water tap, opening and closing with the control Water tap, second end is outlet valve fixedly, and described buoyancy aid is connected with tap lever second end by the software connecting line.
4. automatic flower pot watering device as claimed in claim 3 is characterized in that: described water storage box also comprises the tap spring, and described tap spring first end is fixed on the water storage box tank wall, and second end of second end and tap lever is fixed together.
5. as each described automatic flower pot watering device in the claim 1 to 4, it is characterized in that: described water gauge comprises sub-pipes and catch basin, described catch basin is used for and the flowerpot internal communication, the water inlet of described sub-pipes is communicated with the water storage box delivery port, and the delivery port of described sub-pipes is arranged in catch basin.
6. automatic flower pot watering device as claimed in claim 5 is characterized in that: the delivery port of described sub-pipes comprises the water level hole that is located on the sub-pipes water outlet end tube wall, and the height in described water level hole is lower than the peak level that requires in the flowerpot.
7. automatic flower pot watering device as claimed in claim 6 is characterized in that: described water level hole is a vertical direction aperture greater than the hole in horizontal direction aperture or at least two holes vertically distributing.
8. automatic flower pot watering device as claimed in claim 5 is characterized in that: have the zone that is used to place flowerpot in the described catch basin, described catch basin is by first limbers and the flowerpot internal communication of flowerpot bottom; Perhaps the bottom of the side cell wall of described catch basin has second limbers, is used for being communicated with first limbers of described flowerpot bottom.
9. as each described automatic flower pot watering device in the claim 1 to 5, it is characterized in that: also comprise the branch overflow pipe, the water inlet of described minute overflow pipe links to each other with the water storage box delivery port, overflow pipe had at least two delivery ports in described minute, this minute the delivery port of overflow pipe be communicated with each water gauge respectively.
10. but the flowerpot of automatic water-supply, comprise flowerpot, water storage box and water gauge, described water gauge and flowerpot bottom is communicated with and controls height of water level in the flowerpot, described water storage box has the delivery port that is positioned at its bottom, described water storage box is communicated with water gauge by delivery port, it is characterized in that: described water storage box also comprises the exhaust outlet that is positioned at the water storage box top, outlet valve and air bleeding valve, described outlet valve is used to open or seal delivery port, described air bleeding valve is used to open or seal exhaust outlet, described outlet valve and air bleeding valve interlock, exhaust outlet sealing when being used to make delivery port to open, perhaps delivery port sealing during Exhaust Open.
But 11. the flowerpot of automatic water-supply as claimed in claim 10 is characterized in that: described flowerpot is at least two, and the bottom of each flowerpot is communicated with the bottom of adjacent flowerpot by pipeline, and the bottom of first flowerpot is communicated with water gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100221151A CN100426948C (en) | 2005-11-17 | 2005-11-17 | Automatic flower pot watering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100221151A CN100426948C (en) | 2005-11-17 | 2005-11-17 | Automatic flower pot watering device |
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| CN1771787A true CN1771787A (en) | 2006-05-17 |
| CN100426948C CN100426948C (en) | 2008-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100221151A Expired - Fee Related CN100426948C (en) | 2005-11-17 | 2005-11-17 | Automatic flower pot watering device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970860A (en) * | 2010-06-10 | 2013-03-13 | 孙龙万 | Device for unpowered irrigation and fertilization, and unpowered pot cultivation system using same |
| CN104509428A (en) * | 2013-10-08 | 2015-04-15 | 姚贤进 | Permanent water supply machine for plants |
| CN105028165A (en) * | 2015-07-29 | 2015-11-11 | 苏州纽东精密制造科技有限公司 | Elasticwater cultivation plant container |
| CN105052714A (en) * | 2015-07-27 | 2015-11-18 | 苏州纽东精密制造科技有限公司 | Taper type hydroponic plant container |
| CN105494049A (en) * | 2016-01-12 | 2016-04-20 | 福建省农业科学院土壤肥料研究所 | Automatic-circulation tide water level controller, cultivation device and working method |
| CN106035005A (en) * | 2016-05-27 | 2016-10-26 | 同济大学 | Simple and automatic watering system capable of monitoring soil humidity |
| CN106379336A (en) * | 2016-09-22 | 2017-02-08 | 宁波中车时代电气设备有限公司 | Railway vehicle-mounted multi-water-tank linkage water addition device |
| CN107624327A (en) * | 2017-10-24 | 2018-01-26 | 中国农业科学院农田灌溉研究所 | Field liquid manure distributing system |
| CN108552034A (en) * | 2018-04-23 | 2018-09-21 | *** | Siphon connected vessels type automatic flower pot watering device |
| CN109169247A (en) * | 2018-10-23 | 2019-01-11 | 刘国锋 | A kind of tall scrawny person's cultivation apparatus without soil |
| CN109168750A (en) * | 2018-10-19 | 2019-01-11 | 姬淅委 | A kind of profit filling cultivating facility |
| CN109374468A (en) * | 2018-08-30 | 2019-02-22 | 北京农业智能装备技术研究中心 | A kind of greenhouse evaporation from water surface amount determining device, irrigation system and method |
| CN109937751A (en) * | 2019-04-04 | 2019-06-28 | 连云港振兴农业科技有限公司 | A kind of flower cultivation is from low-temperature protection device of watering flowers |
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| TWI829234B (en) * | 2022-07-04 | 2024-01-11 | 黃英哲 | Planting water supply device |
Family Cites Families (2)
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| CN1092923C (en) * | 1994-08-08 | 2002-10-23 | 株式会社山善金型 | Device for watering flowerpots |
| CN1695436B (en) * | 2005-06-21 | 2010-04-14 | 浙江省农业科学院 | Automatic controller for irrigating crop |
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2005
- 2005-11-17 CN CNB2005100221151A patent/CN100426948C/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102970860A (en) * | 2010-06-10 | 2013-03-13 | 孙龙万 | Device for unpowered irrigation and fertilization, and unpowered pot cultivation system using same |
| CN104509428A (en) * | 2013-10-08 | 2015-04-15 | 姚贤进 | Permanent water supply machine for plants |
| CN105052714A (en) * | 2015-07-27 | 2015-11-18 | 苏州纽东精密制造科技有限公司 | Taper type hydroponic plant container |
| CN105028165A (en) * | 2015-07-29 | 2015-11-11 | 苏州纽东精密制造科技有限公司 | Elasticwater cultivation plant container |
| CN105494049B (en) * | 2016-01-12 | 2018-08-24 | 福建省农业科学院土壤肥料研究所 | Spontaneous circulation tidal level controller and cultivator and working method |
| CN105494049A (en) * | 2016-01-12 | 2016-04-20 | 福建省农业科学院土壤肥料研究所 | Automatic-circulation tide water level controller, cultivation device and working method |
| CN106035005A (en) * | 2016-05-27 | 2016-10-26 | 同济大学 | Simple and automatic watering system capable of monitoring soil humidity |
| CN106035005B (en) * | 2016-05-27 | 2019-04-02 | 同济大学 | The simple automatic flower watering system of soil moisture can be monitored |
| CN106379336A (en) * | 2016-09-22 | 2017-02-08 | 宁波中车时代电气设备有限公司 | Railway vehicle-mounted multi-water-tank linkage water addition device |
| CN107624327A (en) * | 2017-10-24 | 2018-01-26 | 中国农业科学院农田灌溉研究所 | Field liquid manure distributing system |
| CN107624327B (en) * | 2017-10-24 | 2023-06-27 | 中国农业科学院农田灌溉研究所 | Water and fertilizer delivery and distribution system in field |
| CN108552034A (en) * | 2018-04-23 | 2018-09-21 | *** | Siphon connected vessels type automatic flower pot watering device |
| CN109374468A (en) * | 2018-08-30 | 2019-02-22 | 北京农业智能装备技术研究中心 | A kind of greenhouse evaporation from water surface amount determining device, irrigation system and method |
| CN109168750A (en) * | 2018-10-19 | 2019-01-11 | 姬淅委 | A kind of profit filling cultivating facility |
| CN109169247A (en) * | 2018-10-23 | 2019-01-11 | 刘国锋 | A kind of tall scrawny person's cultivation apparatus without soil |
| CN109169247B (en) * | 2018-10-23 | 2020-12-08 | 马鞍山市黄池恒香食品有限公司 | Soilless culture device for bean sprouts |
| CN109937751A (en) * | 2019-04-04 | 2019-06-28 | 连云港振兴农业科技有限公司 | A kind of flower cultivation is from low-temperature protection device of watering flowers |
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| CN100426948C (en) | 2008-10-22 |
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Granted publication date: 20081022 Termination date: 20111117 |