CN216874179U - Air-assisted simple water circulation greenhouse warming equipment - Google Patents
Air-assisted simple water circulation greenhouse warming equipment Download PDFInfo
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- CN216874179U CN216874179U CN202220389982.8U CN202220389982U CN216874179U CN 216874179 U CN216874179 U CN 216874179U CN 202220389982 U CN202220389982 U CN 202220389982U CN 216874179 U CN216874179 U CN 216874179U
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- air guide
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000010792 warming Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000003028 elevating effect Effects 0.000 claims description 7
- 239000008236 heating water Substances 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000008635 plant growth Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000012010 growth Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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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 utility model discloses an air-assisted simple water circulation greenhouse warming device, which comprises a cold-heat exchange box, an air supply mechanism, a lifting mechanism and a controller, wherein the cold-heat exchange box comprises a shell, a hydrothermal mechanism is arranged in the shell, an air inlet hole is formed in the bottom of the cold-heat exchange box, an air outlet hole is formed in the top of the cold-heat exchange box, the hydrothermal mechanism comprises a water inlet pipe and a water outlet pipe, a heat conduction pipe which is bent back and forth and communicated with the water inlet pipe and the water outlet pipe is arranged between the water inlet pipe and the water outlet pipe, a plurality of heat conduction sheets are sleeved on the heat conduction pipe, an air guide mechanism is connected on the air outlet hole in a matching manner, the air guide mechanism comprises an air guide pipe, an air guide seat and an air guide fan, the whole water circulation cold-heat exchange process is healthy and environment-friendly, no pollution gas is generated, the plant growth is facilitated, the heat conduction efficiency is high, and the resource utilization efficiency is high, further improving the economic benefit.
Description
Technical Field
The utility model relates to the field of temperature control greenhouse equipment, in particular to air-assisted simple water circulation greenhouse temperature increasing equipment.
Background
With the continuous progress of agricultural science and technology, the use of warmhouse booth is also more and more common. Crop planting and growth are greatly affected by temperature. However, most of the current greenhouse is a plastic film greenhouse, and the temperature in the greenhouse is greatly influenced by the environmental temperature. And because illumination is inhomogeneous, there is the dead angle in the ventilation, can produce the cold and hot inhomogeneous condition in the canopy, do not utilize the growth of crops. In the areas with large temperature difference between day and night and lower temperature, the greenhouse is difficult to maintain a warm and uniform temperature suitable for the growth of crops only by the illumination in the daytime. The temperature of about 8 ℃ is the low limit of the growth of many crops, and in order to ensure the normal growth of vegetables in winter and spring, an air-assisted warm air blower is generally adopted to increase the temperature in a greenhouse at present.
However, most greenhouse air heaters in the current market mainly use fire coal; in the traditional coal-fired greenhouse fan heater, heat generated by coal combustion cannot be effectively transferred to wind because the heat is only transferred through the furnace wall, so that the heat transfer efficiency is low; moreover, coal combustion produces a large amount of harmful gas, and the harm to seedlings and people is great. Moreover, the existing greenhouse fan heater only continuously raises the temperature, when the temperature is too high, the temperature can be lowered only by stopping the greenhouse fan heater, the temperature difference gradient is large, the temperature is not constant, and the normal growth of plants is not facilitated.
Disclosure of Invention
The utility model overcomes the defects of the prior art and provides air-assisted simple water circulation greenhouse temperature increasing equipment.
In order to achieve the purpose, the utility model adopts the technical scheme that: an air-assisted simple water circulation greenhouse warming device comprises a cold-hot exchange box, an air-assisted mechanism, a lifting mechanism and a controller;
the hot and cold exchange box comprises a shell, a hydrothermal mechanism is arranged in the shell, an air inlet hole is formed in the bottom of the hot and cold exchange box, an air outlet hole is formed in the top of the hot and cold exchange box, the hydrothermal mechanism comprises a water inlet pipe and a water outlet pipe, a heat conduction pipe which is bent back and forth and communicated with the water inlet pipe and the water outlet pipe is arranged between the water inlet pipe and the water outlet pipe, and a plurality of heat conduction fins are sleeved on the heat conduction pipe;
the air outlet is connected with an air guide mechanism in a matching manner, the air guide mechanism comprises an air guide pipe, an air guide seat and a fan guide, one end of the air guide pipe is connected with the air outlet in a matching manner, the other end of the air guide pipe is connected with the air guide seat in a matching manner, and the fan guide is arranged in the air guide pipe;
the lifting mechanism comprises a lifting platform and a driving mechanism used for driving the lifting platform to move up and down, a supporting column is arranged at the top of the lifting platform, and the top of the supporting column is fixedly connected with the bottom of the cold and hot exchange box.
Further, in a preferred embodiment of the present invention, a first water pump is disposed on the water inlet pipe, and the water inlet pipe is communicated with the thermal insulation water storage tank.
Further, in a preferred embodiment of the present invention, a second water pump is disposed on the water outlet pipe, and the water outlet pipe is communicated with the heating water tank.
Further, in a preferred embodiment of the present invention, the wind guiding machine includes a first motor, an output end of the first motor is connected to a rotating shaft, and the rotating shaft is connected to a rotating blade.
Further, in a preferred embodiment of the present invention, a rotation speed sensor is disposed on the rotating blade, and the rotation speed sensor is electrically connected to the controller.
Further, in a preferred embodiment of the present invention, the driving mechanism includes a second motor, an output end of the second motor is connected to a coupling in a matching manner, the coupling is connected to a rotating shaft in a matching manner, at least one rotating block is fixedly connected to the rotating shaft, the rotating block is connected to a top rod through a first hinge shaft, and the other end of the top rod is hinged to the bottom of the lifting platform through a second hinge shaft.
Further, in a preferred embodiment of the present invention, linear bearings are disposed on four corners of the lifting platform, and the linear bearings are fixed on the ground through fixing bolts.
Further, in a preferred embodiment of the present invention, a bearing seat is further coupled to the rotating shaft, and the bearing seat is fixed on the ground through a fixing screw.
Further, in a preferred embodiment of the present invention, a photoelectric sensor is disposed on the lifting platform, the photoelectric sensor is configured to detect height information of the lifting platform, and the photoelectric sensor is electrically connected to the controller.
Further, in a preferred embodiment of the present invention, a plurality of temperature sensors are disposed in the heat exchange box, the temperature sensors are configured to detect temperature information in the heat exchange box, and the temperature sensors are electrically connected to the controller.
The utility model solves the defects in the background technology, and has the following beneficial effects: the whole process is healthy and environment-friendly, pollution gas is not generated, plant growth is facilitated, the heat conduction efficiency is high, the resource utilization efficiency is high, and the economic benefit is further improved; can drive cold and hot exchange box and air guide mechanism through elevating system and reciprocate, and then make air guide mechanism can pump the warm braw to different level on, avoid producing cold and hot inhomogeneous condition emergence in the big-arch shelter, more do benefit to vegetation.
Drawings
Embodiments of the present invention will be understood more fully from the accompanying drawings of various embodiments of the utility model given below, which, however, should not be taken to limit the utility model to the specific embodiments, but are for explanation and understanding only, and other drawings may be devised by those skilled in the art without inventive faculty;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of the lifting mechanism;
FIG. 3 is a schematic structural diagram of a hydrothermal mechanism;
FIG. 4 is a schematic structural view of another view of the hydrothermal mechanism;
FIG. 5 is a schematic structural view of a wind guide fan;
in the figure: 101. a cold-hot exchange box; 102. a housing; 103. an air inlet hole; 105. a water inlet pipe; 106. a water outlet pipe; 107. a heat conducting pipe; 108. a heat conductive sheet; 109. an air guide pipe; 201. a wind guide seat; 202. a wind guide fan; 203. a lifting platform; 204. a support pillar; 205. a first motor; 206. a rotating blade; 207. a second motor; 208. a coupling; 209. a rotating shaft; 301. rotating the block; 302. a first hinge shaft; 303. a top rod; 304. a second hinge shaft; 305. a linear bearing; 306. and a bearing seat.
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.
Reference in the specification to "an embodiment," "one embodiment," "some embodiments," or "other embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiments is included in at least some embodiments, but not necessarily all embodiments. The various appearances of "an embodiment," "one embodiment," or "some embodiments" are not necessarily all referring to the same embodiments. If the specification states a component, feature, structure, or characteristic "may", "might", or "could" be included, that particular component, feature, structure, or characteristic is not required to be included. If the specification or claim refers to "a" or "an" element, that does not mean there is only one of the element. If the specification or claim refers to "a further" element, that does not preclude there being more than one of the further element. Furthermore, the particular features, structures, functions, or characteristics may be combined in any suitable manner in one or more embodiments. For example, a first embodiment may be combined with a second embodiment as long as the particular features, structures, functions, or characteristics associated with the two embodiments are not mutually exclusive.
In the description of the present invention, unless otherwise specified the use of the ordinal adjectives "first", "second", and "third", etc., to describe a common object, merely indicate that different instances of like objects are being referred to, and are not intended to imply that the objects so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner. In the description of the utility model, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Referring to fig. 1-5, the present invention discloses an air-assisted simple water circulation greenhouse warming device, which comprises a cold and heat exchange box 101, an air guiding mechanism 202, a lifting mechanism and a controller.
The heat exchange box 101 comprises a shell 102, a water heating mechanism is arranged in the shell 102, an air inlet 103 is formed in the bottom of the heat exchange box 101, an air outlet is formed in the top of the heat exchange box 101, the water heating mechanism comprises a water inlet pipe 105 and a water outlet pipe 106, a heat conduction pipe 107 which is bent back and forth and communicated with the water inlet pipe 105 and the water outlet pipe 106 is arranged between the water inlet pipe 105 and the water outlet pipe 106, and a plurality of heat conduction sheets 108 are sleeved on the heat conduction pipe 107.
The air outlet is connected with a fan guide 202 in a matched manner, the fan guide 202 comprises an air guide pipe 109, an air guide seat 201 and a fan guide 202, one end of the air guide pipe 109 is connected with the air outlet in a matched manner, the other end of the air guide pipe is connected with the air guide seat 201 in a matched manner, and the fan guide 202 is arranged in the air guide pipe 109.
It should be noted that, hot water on the heat preservation water storage tank is pumped into the heat conduction pipe 107 along the water inlet pipe 105 through the first water pump, so that the hot water transfers heat energy to the heat conduction fin 108, and further transfers the heat energy to the air of the cold and hot exchange box 101 through the heat conduction fin 108, and the air after absorbing heat becomes warm air, and then the warm air is pumped into the greenhouse through the air guide mechanism 202, thereby realizing the process of increasing the temperature of the greenhouse. On the one hand, the heat conduction fins 108 are provided to increase the heat exchange area of the air to improve the heat exchange efficiency, so as to quickly convert the air into warm air. On the other hand, after hot water in the heat conduction pipe 107 transfers heat energy to air in the cold and hot exchange box 101 to be cold water, the hot water is pumped out to the heating water tank through the second water suction pump, then is heated by the heating water tank to be hot water, and then is stored in the heat preservation water storage tank for standby use, so that a water heat exchange circulation process is realized, the whole process is healthy and environment-friendly, pollution gas is not generated, plant growth is facilitated, the heat conduction efficiency is high, the resource utilization efficiency is high, and the economic benefit is further improved.
The lifting mechanism comprises a lifting platform 203 and a driving mechanism for driving the lifting platform 203 to move up and down, a supporting column 204 is arranged at the top of the lifting platform 203, and the top of the supporting column 204 is fixedly connected with the bottom of the cold and heat exchange box 101.
It should be noted that, can drive cold and hot exchange box 101 and wind guiding machine 202 through elevating system and construct and reciprocate, and then make wind guiding machine 202 construct can with the warm braw pump send to different level on, avoid producing cold and hot inhomogeneous condition emergence in the big-arch shelter, more do benefit to vegetation.
Further, in a preferred embodiment of the present invention, a first water pump is disposed on the water inlet pipe 105, and the water inlet pipe 105 is communicated with the thermal insulation water storage tank.
Further, in a preferred embodiment of the present invention, a second water pump is disposed on the water outlet pipe 106, and the water outlet pipe 106 is communicated with the heating water tank.
It should be noted that, hot water in the heat preservation water storage tank is pumped to the heat conduction pipe 107 through the first water pump, then the hot water completes the cold-heat exchange process in the cold-heat exchange tank 101 to form cold water, and then the cold water is pumped to the heating water tank through the second water pump to be heated, so that a water circulation heating process is completed.
Further, in a preferred embodiment of the present invention, the air guiding fan 202 includes a first motor 205, an output end of the first motor 205 is connected with a rotating shaft, and the rotating shaft is connected with a rotating blade 206.
It should be noted that, by driving the first motor 205, the first motor 205 drives the rotating shaft to rotate, and then drives the rotating blade 206 to rotate, so that the air guiding machine 202 can pump the warm air in the heat and cold exchanging box 101 into the greenhouse, thereby heating the greenhouse.
Further, in a preferred embodiment of the present invention, a rotation speed sensor is disposed on the rotating blade 206, and the rotation speed sensor is electrically connected to the controller.
It should be noted that, the rotation speed of the rotating blades 206 can be detected in real time through the rotation speed sensor, and then the rotation speed of the rotating blades 206 can be accurately controlled through the controller, and then the air guide amount of the air guide machine 202 is accurately controlled, so that the greenhouse temperature can be intelligently, automatically and accurately controlled.
Further, in a preferred embodiment of the present invention, the driving mechanism includes a second motor 207, an output end of the second motor 207 is connected to a coupling 208 in a matching manner, the coupling 208 is connected to a rotating shaft 209 in a matching manner, the rotating shaft 209 is fixedly connected to at least one rotating block 301, the rotating block 301 is connected to a top rod 303 through a first hinge shaft 302, and the other end of the top rod 303 is hinged to the bottom of the lifting platform 203 through a second hinge shaft 304.
It should be noted that, through driving second motor 207, make second motor 207 drive shaft coupling 208 rotatory, and then drive axis of rotation 209 rotatory, and then the angle between control turning block 301 and the ejector pin 303, thereby the level of control elevating platform 203, and then make air guide 202 construct can with the warm braw pump send to different levels on, avoid producing the cold and hot inhomogeneous condition in the big-arch shelter and take place, more do benefit to vegetation.
Further, in a preferred embodiment of the present invention, linear bearings 305 are disposed on four corners of the lifting platform 203, and the linear bearings 305 are fixed on the ground through fixing bolts.
It should be noted that the linear axis plays a role in guiding and supporting, so that the lifting table 203 is more stable in the up-and-down moving process, the situation that the lifting table 203 is shifted in position in the moving process can be avoided, and the reliability of the device is further improved.
Further, in a preferred embodiment of the present invention, a bearing seat 306 is further coupled to the rotating shaft 209, and the bearing seat 306 is fixed on the ground by a fixing screw.
Further, in a preferred embodiment of the present invention, a photoelectric sensor is disposed on the lifting platform 203, the photoelectric sensor is used for detecting height information of the lifting platform 203, and the photoelectric sensor is electrically connected to the controller.
It should be noted that, through the real-time high positional information who detects elevating platform 203 of photoelectric sensor and feed back to the controller on, the controller combines elevating platform 203 current position information, and it is rotatory to control second motor 207 again, and then makes elevating platform 203 can move to on the required high position, and make in the fan 202 constructs can pump the warm braw to the big-arch shelter in appropriate high position, avoids producing the cold and hot inhomogeneous condition in the big-arch shelter and takes place, more does benefit to vegetation.
Further, in a preferred embodiment of the present invention, a plurality of temperature sensors are disposed in the heat exchanger box 101, the temperature sensors are used for detecting temperature information in the heat exchanger box 101, and the temperature sensors are electrically connected to the controller.
It should be noted that temperature sensors are arranged at a plurality of positions of the heat and cold exchange box 101, temperature information in the heat and cold exchange box 101 is detected in real time through the temperature sensors, and when the temperature in the heat and cold exchange box 101 is too low, the controller increases the power of the first water pump and the second water pump, so that the speed of water heat exchange is increased, and the air temperature in the heat and cold exchange box 101 is further increased; on the contrary, if the temperature in the cooling and heating exchange box 101 is too high, the power of the first water pump and the second water pump is reduced, so that the device can intelligently control the temperature of the warm air, the discharged warm air is kept in a certain range, and the plant growth is facilitated.
In light of the foregoing description of the preferred embodiments of the present invention, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a simple and easy hydrologic cycle canopy room of forced air cooling increases temperature and equips, includes cold and hot exchange box, air supply mechanism, elevating system and controller, its characterized in that:
the hot and cold exchange box comprises a shell, a hydrothermal mechanism is arranged in the shell, an air inlet hole is formed in the bottom of the hot and cold exchange box, an air outlet hole is formed in the top of the hot and cold exchange box, the hydrothermal mechanism comprises a water inlet pipe and a water outlet pipe, a heat conduction pipe which is bent back and forth and communicated with the water inlet pipe and the water outlet pipe is arranged between the water inlet pipe and the water outlet pipe, and a plurality of heat conduction fins are sleeved on the heat conduction pipe;
the air outlet is connected with an air guide mechanism in a matching manner, the air guide mechanism comprises an air guide pipe, an air guide seat and a fan guide, one end of the air guide pipe is connected with the air outlet in a matching manner, the other end of the air guide pipe is connected with the air guide seat in a matching manner, and the fan guide is arranged in the air guide pipe;
the lifting mechanism comprises a lifting platform and a driving mechanism used for driving the lifting platform to move up and down, a supporting column is arranged at the top of the lifting platform, and the top of the supporting column is fixedly connected with the bottom of the cold and hot exchange box.
2. The air-assisted simple water circulation greenhouse warming device as claimed in claim 1, wherein: be provided with first suction pump on the inlet tube, just the inlet tube is linked together with the heat preservation storage water tank.
3. The air-assisted simple water circulation greenhouse warming device as claimed in claim 1, wherein: and a second water suction pump is arranged on the water outlet pipe, and the water outlet pipe is communicated with the heating water tank.
4. The air-assisted simple water circulation greenhouse warming device as claimed in claim 1, wherein: the air guide machine comprises a first motor, the output end of the first motor is connected with a rotating shaft in a matched mode, and the rotating shaft is connected with rotating blades in a matched mode.
5. The air-assisted simple water circulation greenhouse warming device as claimed in claim 4, wherein: and a rotating speed sensor is arranged on the rotating blade and is electrically connected with the controller.
6. The air-assisted simple water circulation greenhouse warming device as claimed in claim 1, wherein: the driving mechanism comprises a second motor, the output end of the second motor is connected with a coupler in a matching mode, the coupler is connected with a rotating shaft in a matching mode, at least one rotating block is fixedly connected onto the rotating shaft, a top rod is connected onto the rotating block through a first hinged shaft, and the other end of the top rod is hinged to the bottom of the lifting platform through a second hinged shaft.
7. The air-assisted simple water circulation greenhouse warming device as claimed in claim 1, wherein: and the four corners of the lifting platform are provided with linear bearings, and the linear bearings are fixed on the ground through fixing bolts.
8. The air-assisted simple water circulation greenhouse warming device as claimed in claim 6, wherein: the rotating shaft is also connected with a bearing seat in a matching way, and the bearing seat is fixed on the ground through a fixing screw.
9. The air-assisted simple water circulation greenhouse warming device as claimed in claim 1, wherein: the lifting platform is provided with a photoelectric sensor, the photoelectric sensor is used for detecting the height information of the lifting platform, and the photoelectric sensor is electrically connected with the controller.
10. The air-assisted simple water circulation greenhouse warming device as claimed in claim 1, wherein: the cold and hot exchange box is internally provided with a plurality of temperature sensors, the temperature sensors are used for detecting temperature information in the cold and hot exchange box, and the temperature sensors are electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220389982.8U CN216874179U (en) | 2022-02-25 | 2022-02-25 | Air-assisted simple water circulation greenhouse warming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220389982.8U CN216874179U (en) | 2022-02-25 | 2022-02-25 | Air-assisted simple water circulation greenhouse warming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216874179U true CN216874179U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220389982.8U Expired - Fee Related CN216874179U (en) | 2022-02-25 | 2022-02-25 | Air-assisted simple water circulation greenhouse warming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216874179U (en) |
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2022
- 2022-02-25 CN CN202220389982.8U patent/CN216874179U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |