CN112772229A - Ventilation unit for agricultural engineering greenhouse - Google Patents
Ventilation unit for agricultural engineering greenhouse Download PDFInfo
- Publication number
- CN112772229A CN112772229A CN202110029086.0A CN202110029086A CN112772229A CN 112772229 A CN112772229 A CN 112772229A CN 202110029086 A CN202110029086 A CN 202110029086A CN 112772229 A CN112772229 A CN 112772229A
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- CN
- China
- Prior art keywords
- column
- ventilation
- greenhouse
- block
- locking
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/241—Arrangement of opening or closing systems for windows and ventilation panels
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
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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
Abstract
The invention provides a ventilation device for an agricultural engineering greenhouse, which comprises the greenhouse, wherein a ventilation box is detachably arranged on the side wall of the greenhouse, an installation column is arranged in the ventilation box, a driving motor is arranged on the installation column, a winding wheel is connected to an output shaft of the driving motor, a winding rope is arranged on the winding wheel and is connected with a rotating column, and the rotating column is rotatably arranged on the side wall of the ventilation box. The invention starts the driving motor, the reel rotates, the rope winds, the rotating column rotates, the angle of the ventilation fan changes, and meanwhile, the ventilation fan resets through the ventilation spring, so that the reciprocating motion is realized, and the ventilation efficiency is improved; the motor is started to rotate positively and negatively, the screw rod rotates to drive the screw block to move, then the rack is moved, the rack is meshed with the gear, the gear rotates, and the angle of the solar panel changes, so that the utilization efficiency of light can be improved, and the conversion efficiency of electricity is improved.
Description
Technical Field
The invention relates to the technical field of agricultural engineering greenhouse, in particular to a ventilation device for an agricultural engineering greenhouse.
Background
The greenhouse is mainly used for planting vegetables or flowers in out-of-season, when the crops are planted, the requirement on the environment is high, the requirement of the crops on the environment cannot be met in real time only by manually regulating and controlling the environment in the greenhouse, the greenhouse has a plurality of temperature regulation methods, some of the greenhouse can regulate the temperature through electric heating, and when the temperature in the greenhouse is lower than a certain value, the electric heating is started to regulate the environment temperature of the greenhouse; some of the greenhouse also adjusts the temperature through terrestrial heat, and the heat released by the terrestrial heat is stored in the greenhouse through the film heat preservation design of the greenhouse, so that the temperature of the greenhouse is close to the surface temperature, and the temperature in the greenhouse is kept constant; some greenhouse systems regulate temperature through solar energy, and a solar panel absorbs energy to be used as a heat source for regulating the temperature of the greenhouse; when the temperature in the greenhouse is high, the effect is limited because the fan is generally adopted to assist evaporation in the aspect of refrigeration, and the refrigeration is not strong in pertinence along with other effects such as humidity increase and ventilation enhancement.
The existing ventilation device for the greenhouse cannot adjust the angle of an air port, so that the ventilation adaptability is poor, the ventilation efficiency is low, and further improvement treatment is needed.
Disclosure of Invention
The invention aims to provide a ventilating device for a greenhouse in agricultural engineering, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a ventilation device for an agricultural engineering greenhouse comprises the greenhouse, wherein a ventilation box is detachably mounted on the side wall of the greenhouse, a mounting column is arranged in the ventilation box, a driving motor is arranged on the mounting column, an output shaft of the driving motor is connected with a reel, a winding rope is arranged on the reel and is connected with a rotating column, the rotating column is rotatably arranged on the side wall of the ventilation box, a ventilation fan is arranged at one end of the rotating column, and the other end of the rotating column is connected with the inner side wall of the ventilation box through a ventilation spring; the outer top wall of the greenhouse is provided with an electric conversion device, and the electric conversion device is used for driving a power supply of a motor;
the electric conversion device comprises a mounting frame, a forward and reverse rotation motor is arranged in the mounting frame, an output shaft of the forward and reverse rotation motor is connected with a lead screw, a screw block is arranged on the lead screw in a threaded manner, a rack is arranged on the screw block, and the rack is meshed with a gear;
the gear is connected with a stabilizing shaft which is arranged in the mounting frame in a rotating mode, a solar panel is arranged on the upper portion of the gear, the solar panel is used for converting solar energy electrically and supplying power to a driving motor, a stabilizing moving block is arranged on the lower portion of the wire block, the stabilizing moving block is arranged in sliding contact with the inner bottom wall of the mounting frame, and a limiting touch alarm is further arranged on the inner bottom wall of the mounting frame and is matched with the stabilizing moving block;
the outer diapire of ventilation case is equipped with the mounting groove, and the warm shed diapire is equipped with the fixer, and the fixer is used for the screens of ventilation case fixed, the warm shed roof is equipped with the binding clasp, and the binding clasp is used for the tight fixed of clamp of ventilation case.
Preferably, spacing touch alert ware includes spacing touch alert box, and spacing interior slip of touch alert box is equipped with the slider of touching alert, and fixed being equipped with touches alert the piece of deciding, touches alert slider one side and is equipped with the touch alert post of moving, touches alert the post and passes spacing touch alert box and be connected with the touch multitouch, and the touch multitouch sets up with stabilizing the movable multitouch cooperation, touch alert slider opposite side and be equipped with the buffering post, and the buffering post passes touch alert piece of deciding and is connected with the movable contact spring, and spacing touch alert box inner bottom wall is equipped with the static contact, and movable contact spring, static contact are used for the warning.
Preferably, the buffering post is sleeved with a buffering spring, one end of the buffering spring is connected with the touch alarm block, and the other end of the buffering spring is connected with the touch alarm sliding block.
Preferably, the fixer includes fixed post, and fixed post setting is equipped with the fixing clip post at the warm shed lateral wall on the fixed post, and fixing clip post top is connected with fixture block, and fixture block sets up with the mounting groove joint, fixture block column bottom is equipped with the pulling piece, and pulling piece bottom is equipped with the locking cap, and the lateral wall is equipped with the spacing groove, the locking device cooperation setting of spacing groove, locking cap and warm shed diapire.
Preferably, the fixing clamp column is sleeved with a fixing spring, one end of the fixing spring is connected with the fixing fixed column, and the other end of the fixing spring is connected with the pulling block.
Preferably, the position locking device comprises a position locking vertical column and a position locking horizontal column, a position locking pull rod is slidably arranged on the position locking vertical column, a position locking hand is arranged at one end of the position locking pull rod, a position locking buckle is arranged at the other end of the position locking pull rod, and the position locking buckle is matched with the limiting groove.
Preferably, the locking transverse column is provided with a buckling groove, and the buckling groove is buckled with the lock cap.
Preferably, the locking pull rod is provided with a locking spring, one end of the locking spring is connected with the locking hand, and the other end of the locking spring is connected with the locking vertical column.
Preferably, the clamping device comprises a clamping column, a threaded moving rod is arranged on the clamping column, a clamping moving block is arranged at the bottom end of the threaded moving rod, and a clamping handle is arranged at the top end of the threaded moving rod.
Compared with the prior art, the invention has the beneficial effects that
(1) The invention starts the driving motor, the reel rotates, the rope winds, the rotating column rotates, the angle of the ventilation fan changes, and meanwhile, the ventilation fan resets through the ventilation spring, so that the reciprocating motion is realized, and the ventilation efficiency is improved; the motor is started to rotate positively and negatively, the screw rod rotates to drive the screw block to move, then the rack is moved, the rack is meshed with the gear, the gear rotates, and the angle of the solar panel changes, so that the utilization efficiency of light can be improved, and the conversion efficiency of electricity is improved.
(2) The silk piece removes, drives and stabilizes the movable block and removes, when removing extreme position, stabilizes movable block and touch multitouch contact, and then the touch multitouch removes, and the touch alert moves the post and removes to drive the buffering post and remove, movable contact, static contact are used for the warning of alarm, remind the position maximize that the silk piece removed, play spacing effect.
(3) The cooperation of lock position buckle and spacing groove is fixed with the ventilation case, and through rotating the tight handle of clamp, the screw moves the pole and removes, then drives the tight movable block of clamp further fixed with the ventilation case, and during the dismantlement, pulling block, lock cap and catching groove cooperation lock joint lock position buckle and spacing groove cooperation to make things convenient for the ventilation case to dismantle.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a rotational structure of a ventilating fan according to the present invention;
FIG. 3 is a schematic view showing the structure of an electric conversion apparatus according to the present invention;
FIG. 4 is a schematic view of the limit alarm of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 6 is a block diagram of the clamp of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, in the embodiment of the invention, a ventilation device for an agricultural engineering greenhouse comprises a greenhouse 1, wherein a ventilation box 2 is detachably mounted on the side wall of the greenhouse 1, a mounting column 3 is arranged in the ventilation box 2, a driving motor 4 is arranged on the mounting column 3, an output shaft of the driving motor 4 is connected with a winding wheel 5, a winding rope 6 is arranged on the winding wheel 5, the winding rope 6 is connected with a rotating column 7, the rotating column 7 is rotatably arranged on the side wall of the ventilation box 2, one end of the rotating column 7 is provided with a ventilation fan 8, and the other end of the rotating column 7 is connected with the inner side wall of the ventilation box; an electric conversion device 10 is arranged on the outer top wall of the greenhouse 1, and the electric conversion device 10 is used for power supply of the driving motor 4;
the electric conversion device 10 comprises a mounting frame 101, a forward and reverse rotation motor 102 is arranged in the mounting frame 101, an output shaft of the forward and reverse rotation motor 102 is connected with a screw rod 103, a screw block 104 is arranged on the screw rod 103 in a threaded manner, a rack 105 is arranged on the screw block 104, and the rack 105 is meshed with a gear 106;
the driving motor 4 is started, the reel 5 rotates, the winding rope 6 winds, the rotating column 7 rotates, the angle of the ventilation fan 8 changes, meanwhile, the ventilation fan 8 resets through the ventilation spring 9, then reciprocating motion is achieved, and ventilation efficiency is improved;
the forward and reverse rotation motor 102 is started, the screw rod 103 rotates to drive the screw block 104 to move, then the rack 105 moves, the rack 105 is meshed with the gear 106, the gear 106 rotates, the angle of the solar panel 107 changes, thereby improving the utilization efficiency of light and the conversion efficiency of electricity,
the gear 106 is connected with a stabilizing shaft which is rotatably arranged in the mounting frame 101, a solar panel 107 is arranged at the upper part of the gear 106, the solar panel 107 is used for converting solar energy and supplying power to the driving motor 4, a stabilizing moving block 108 is arranged at the lower part of the wire block 104, the stabilizing moving block 108 is arranged in sliding contact with the inner bottom wall of the mounting frame 101, a limit touch alarm 109 is also arranged at the inner bottom wall of the mounting frame 101, and the limit touch alarm 109 is matched with the stabilizing moving block 108;
outer diapire of ventilation box 2 is equipped with mounting groove 11, and 1 diapire of warm shed is equipped with fixer 12, and fixer 12 is used for ventilation box 2's screens fixed, 1 roof of warm shed is equipped with binding clasp 13, and binding clasp 13 is used for ventilation box 2's clamping to fix.
The forward and reverse rotation motor 102 is started, the screw rod 103 rotates to drive the screw block 104 to move, then the rack 105 moves, the rack 105 is meshed with the gear 106, the gear 106 rotates, and the angle of the solar panel 107 changes, so that the utilization efficiency of light can be improved, and the conversion efficiency of electricity is improved;
the spacing alarm 109 of touching of this embodiment is including spacing box 1091 that touches alert, and spacing box 1091 that touches is interior to slide and is equipped with the slider 1092 that touches alert, and fixed being equipped with touches alert piece 1093, touches alert slider 1092 one side and is equipped with and touches alert movable column 1094, touches alert movable column 1094 and passes spacing box 1091 that touches alert and be connected with touch block 1095, touch block 1095 and the cooperation setting of stabilizing movable block 108, touch alert slider 1092 opposite side and be equipped with buffering post 1096, buffering post 1096 passes and touches alert piece 1093 and be connected with movable contact piece 1097, and the diapire is equipped with static contact piece 1098 in the spacing box 1091 that touches alert, and movable contact piece 1097, static contact piece 1098 contact are used for the warning of alarm 1099.
The bumper 1096 of this embodiment is sleeved with a bumper spring 10910, one end of the bumper spring 10910 is connected to the alarm block 1093, and the other end is connected to the alarm slider 1092.
The silk piece 104 moves, drives and stabilizes movable block 108 and moves, and when moving extreme position, stabilizes movable block 108 and touch multitouch 1095 contact, touch multitouch 1095 removes then, touches alert movable contact 1094 and moves to drive buffer column 1096 and move, movable contact 1097, static contact 1098 contact are used for the warning of alarm 1099, remind the position maximize that silk piece 104 removed, play spacing effect.
The fixer 12 of this embodiment includes fixed post 121, and fixed post 121 sets up at warm shed 1 lateral wall, and fixed post 121 goes up the slip and is equipped with fixing clip post 122, and fixing clip post 122 top is connected with fixing clip block 123, and fixing clip block 123 sets up with mounting groove 11 joint, fixing clip post 122 bottom is equipped with pulling piece 124, and pulling piece 124 bottom is equipped with locking cap 125, and the lateral wall is equipped with spacing groove 126, locking cap 125 set up with the cooperation of the ware 128 that is locked of warm shed 1 diapire.
The fixing clip column 122 of the present embodiment is sleeved with a fixing spring 127, one end of the fixing spring 127 is connected with the fixing fixed column 121, and the other end is connected with the pulling block 124.
The position locking device 128 of this embodiment includes a vertical locking column 1281 and a horizontal locking column 1282, a locking pull rod 1282 is slidably disposed on the vertical locking column 1281, a locking hand 1283 is disposed at one end of the locking pull rod 1282, a locking buckle 1284 is disposed at the other end of the locking pull rod 1282, and the locking buckle 1284 is disposed in cooperation with the limiting groove 126.
The lock crossbar 1282 of this embodiment is provided with a fastening slot 1285, and the fastening slot 1285 is fastened to the lock cap 125.
A locking spring 1286 is arranged on the locking pull rod 1282 in this embodiment, one end of the locking spring 1286 is connected with the locking hand 1283, and the other end is connected with the locking vertical post 1281.
The clamping device 13 of this embodiment includes a clamping column 131, a threaded moving rod 132 is disposed on the clamping column 131, a clamping moving block 133 is disposed at the bottom end of the threaded moving rod 132, and a clamping handle 134 is disposed at the top end.
The buckle 1284 that is locked cooperates with spacing groove 126 and fixes ventilation case 2, and through rotating clamping handle 134, the screw moves pole 132 removes, then drives and presss from both sides the further fixed ventilation case 2 that will ventilate of tight movable block 133, during the dismantlement, pulling block 124, lock cap 125 and catching groove 1285 cooperation lock joint, and buckle 1284 and the cooperation of spacing groove 126 are locked to make things convenient for ventilation case 2 to dismantle.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A ventilation device for an agricultural engineering greenhouse comprises a greenhouse (1) and is characterized in that a ventilation box (2) is detachably mounted on the side wall of the greenhouse (1), a mounting column (3) is arranged in the ventilation box (2), a driving motor (4) is arranged on the mounting column (3), an output shaft of the driving motor (4) is connected with a reel (5), a winding rope (6) is arranged on the reel (5), the winding rope (6) is connected with a rotating column (7), the rotating column (7) is rotatably arranged on the side wall of the ventilation box (2), one end of the rotating column (7) is provided with a ventilation fan (8), and the other end of the rotating column is connected with the inner side wall of the ventilation box (2) through a ventilation spring (9); an electric conversion device (10) is arranged on the outer top wall of the greenhouse (1), and the electric conversion device (10) is used for driving the power supply of the motor (4);
the electric conversion device (10) comprises a mounting frame (101), a forward and reverse rotation motor (102) is arranged in the mounting frame (101), an output shaft of the forward and reverse rotation motor (102) is connected with a screw rod (103), a screw block (104) is arranged on the screw rod (103) in a threaded manner, a rack (105) is arranged on the screw block (104), and the rack (105) is meshed with a gear (106);
the gear (106) is connected with a stabilizing shaft which is rotatably arranged in the mounting frame (101), a solar panel (107) is arranged on the upper portion of the gear (106), the solar panel (107) is used for converting solar energy electrically and supplying power to the driving motor (4), a stabilizing moving block (108) is arranged on the lower portion of the wire block (104), the stabilizing moving block (108) is arranged in sliding contact with the inner bottom wall of the mounting frame (101), a limiting touch alarm (109) is further arranged on the inner bottom wall of the mounting frame (101), and the limiting touch alarm (109) is arranged in a matched manner with the stabilizing moving block (108);
outer diapire of ventilation case (2) is equipped with mounting groove (11), and warm canopy (1) diapire is equipped with fixer (12), and fixer (12) are used for the screens of ventilation case (2) fixed, warm canopy (1) roof is equipped with binding clasp (13), and binding clasp (13) are used for the clamp of ventilation case (2) to press from both sides fixedly.
2. The ventilation device for the agricultural engineering greenhouse as claimed in claim 1, wherein the limiting alarm device (109) comprises a limiting alarm box (1091), a trigger slider (1092) is slidably arranged in the limiting alarm box (1091), a trigger block (1093) is fixedly arranged, a trigger moving column (1094) is arranged on one side of the trigger slider (1092), the trigger moving column (1094) penetrates through the limiting alarm box (1091) and is connected with a trigger block (1095), the trigger block (1095) is matched with a stabilizing moving block (108), a buffer column (1096) is arranged on the other side of the trigger slider (1092), the buffer column (1096) penetrates through the trigger block (1093) and is connected with a movable contact piece (1097), a static contact piece (1098) is arranged on the inner bottom wall of the limiting alarm box (1091), the movable contact piece (1097) and the static contact piece (1098) are in contact with an alarm for alarming of an alarm (1099).
3. The ventilation device for the agricultural engineering greenhouse as claimed in claim 2, wherein the buffer column (1096) is sleeved with a buffer spring (10910), one end of the buffer spring (10910) is connected with the alarm triggering block (1093), and the other end of the buffer spring (10910) is connected with the alarm triggering sliding block (1092).
4. The ventilation device for the agricultural engineering greenhouse as claimed in claim 1, wherein the fixer (12) comprises a fixed column (121), the fixed column (121) is arranged on the outer side wall of the greenhouse (1), a fixed clamping column (122) is slidably arranged on the fixed column (121), a fixed clamping block (123) is connected to the top end of the fixed clamping column (122), the fixed clamping block (123) is clamped with the installation groove (11), a pulling block (124) is arranged at the bottom end of the fixed clamping column (122), a locking cap (125) is arranged at the bottom end of the pulling block (124), a limiting groove (126) is arranged on the side wall, and the limiting groove (126) and the locking cap (125) are arranged in cooperation with a locking device (128) on the bottom wall of the greenhouse (1).
5. The ventilation device for the greenhouse in the agricultural engineering as claimed in claim 4, wherein the fixing clip column (122) is sleeved with a fixing spring (127), one end of the fixing spring (127) is connected with the fixing fixed column (121), and the other end is connected with the pulling block (124).
6. The agricultural engineering ventilation device for the greenhouse as claimed in claim 4, wherein the position locking device (128) comprises a position locking vertical column (1281) and a position locking horizontal column (1282), a position locking pull rod (1282) is slidably arranged on the position locking vertical column (1281), one end of the position locking pull rod (1282) is provided with a position locking hand (1283), the other end of the position locking pull rod is provided with a position locking buckle (1284), and the position locking buckle (1284) is matched with the limiting groove (126).
7. The ventilation device for the agricultural engineering greenhouse as claimed in claim 6, wherein the locking horizontal column (1282) is provided with a buckling groove (1285), and the buckling groove (1285) is buckled with the locking cap (125).
8. The ventilation device for the agricultural engineering greenhouse as claimed in claim 6, wherein the locking pull rod (1282) is provided with a locking spring (1286), one end of the locking spring (1286) is connected with the locking hand (1283), and the other end is connected with the locking vertical column (1281).
9. The ventilation device for the greenhouse in the agricultural engineering according to claim 1, wherein the clamp (13) comprises a clamping column (131), a threaded moving rod (132) is arranged on the clamping column (131), a clamping moving block (133) is arranged at the bottom end of the threaded moving rod (132), and a clamping handle (134) is arranged at the top end of the threaded moving rod (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110029086.0A CN112772229A (en) | 2021-01-11 | 2021-01-11 | Ventilation unit for agricultural engineering greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110029086.0A CN112772229A (en) | 2021-01-11 | 2021-01-11 | Ventilation unit for agricultural engineering greenhouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112772229A true CN112772229A (en) | 2021-05-11 |
Family
ID=75756417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110029086.0A Withdrawn CN112772229A (en) | 2021-01-11 | 2021-01-11 | Ventilation unit for agricultural engineering greenhouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112772229A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107583859A (en) * | 2017-10-31 | 2018-01-16 | 李元珍 | A kind of tea-leaf wind selection device for conveying stable and uniform |
| CN207064301U (en) * | 2017-07-24 | 2018-03-02 | 中山市风美照明科技有限公司 | A kind of fan overhung construction of wall-hung type |
| CN207308359U (en) * | 2017-09-21 | 2018-05-04 | 安徽省临泉县金谷面粉有限公司 | A kind of tune wind structure of wheat flour purifier |
| CN209449349U (en) * | 2018-11-07 | 2019-10-01 | 文安县忠斌电器厂 | A kind of plastic greenhouse air discharging machine |
| CN210623142U (en) * | 2019-09-09 | 2020-05-26 | 泉州市瑞天园艺科技有限公司 | Solar energy type automatic temperature control fan for greenhouse |
| CN211185162U (en) * | 2019-12-17 | 2020-08-07 | 蔡厚梅 | A ventilation structure for intelligent green house |
-
2021
- 2021-01-11 CN CN202110029086.0A patent/CN112772229A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207064301U (en) * | 2017-07-24 | 2018-03-02 | 中山市风美照明科技有限公司 | A kind of fan overhung construction of wall-hung type |
| CN207308359U (en) * | 2017-09-21 | 2018-05-04 | 安徽省临泉县金谷面粉有限公司 | A kind of tune wind structure of wheat flour purifier |
| CN107583859A (en) * | 2017-10-31 | 2018-01-16 | 李元珍 | A kind of tea-leaf wind selection device for conveying stable and uniform |
| CN209449349U (en) * | 2018-11-07 | 2019-10-01 | 文安县忠斌电器厂 | A kind of plastic greenhouse air discharging machine |
| CN210623142U (en) * | 2019-09-09 | 2020-05-26 | 泉州市瑞天园艺科技有限公司 | Solar energy type automatic temperature control fan for greenhouse |
| CN211185162U (en) * | 2019-12-17 | 2020-08-07 | 蔡厚梅 | A ventilation structure for intelligent green house |
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Application publication date: 20210511 |
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| WW01 | Invention patent application withdrawn after publication |