CN216899079U - Sluicing freeze-proof device - Google Patents
Sluicing freeze-proof device Download PDFInfo
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- CN216899079U CN216899079U CN202123264563.6U CN202123264563U CN216899079U CN 216899079 U CN216899079 U CN 216899079U CN 202123264563 U CN202123264563 U CN 202123264563U CN 216899079 U CN216899079 U CN 216899079U
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- water
- piston
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- switch
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 214
- 238000007789 sealing Methods 0.000 claims abstract description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 16
- 238000004146 energy storage Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000002528 anti-freeze Effects 0.000 claims 8
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 239000003621 irrigation water Substances 0.000 abstract 1
- 238000007710 freezing Methods 0.000 description 16
- 230000008014 freezing Effects 0.000 description 14
- 230000002262 irrigation Effects 0.000 description 5
- 238000003973 irrigation Methods 0.000 description 5
- 239000012267 brine Substances 0.000 description 4
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000007306 turnover Effects 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model relates to the field of water supply meters, in particular to a water discharge antifreezing device, which comprises a first dripping device connected with the water outlet side of a water meter and a second dripping device arranged behind the water outlet side of the first dripping device, wherein the second dripping device is arranged on a branch pipeline arranged on the water outlet side pipeline of the first dripping device; the first water dropping device comprises a body forming a cylindrical inner cavity, a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the body, a water dropping hole is formed in the bottom of the interior of the body, a water dropping pipe extending towards the interior of the body is arranged at the position of the water dropping hole, and a flow guide hole is formed in the side edge of the water dropping pipe; a balance piston penetrates through the outer part of the water dropping pipe, and a balance chamber is formed by the balance piston, the inner part of the body and the water dropping pipe in a sealing way; a balance spring is arranged between the balance piston and the bottom of the inner side of the body. The first water dripping device can drip irrigation water in the water meter and the pipeline thereof by utilizing the abnormal expansion state of the water at 0-4 ℃, thereby preventing the volume of the water in the water meter from increasing after the water in the water meter is frozen and preventing the water meter from being damaged.
Description
Technical Field
The utility model relates to the field of water supply meters, in particular to a water drainage anti-freezing device.
Background
The water meter is a meter for measuring water flow, mostly is an accumulated flow measurement of water, and plays an indispensable role in a water supply system. The existing water meter mainly comprises a meter shell, a meter cover with a turnover cover, an impeller component arranged in the meter shell, a counter, surface glass and the like.
The existing water meter has a problem that: most natural substances follow the rule of expansion with heat and contraction with cold, and the substances of expansion with heat and contraction with cold exist with few exceptions, while water at 0-4 ℃ abnormally expands, and is in the state of expansion with heat and cold. In the use process of the water meter after installation, when the temperature of water is 0 to 4 ℃, the water is in a thermal shrinkage and cold expansion state, and the pressure in the water meter can be increased to cause the counter or the surface glass to be crushed; when the temperature of water reaches the freezing point, the water in the meter shell can be frozen into ice, the volume of the water is expanded by about 10% after the water is frozen into ice, and the pressure generated by the expansion is applied to an impeller assembly, a counter and surface glass in the meter shell, so that the water meter can be damaged. Therefore, it is necessary to provide a drain freeze protection device to protect the water meter from damage due to the increased volume of water in the abnormal expansion state and after freezing and solidification.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a drainage antifreezing device to solve the problem that a water meter is easy to damage due to the fact that the volume of water is increased when the water is in an abnormal expansion state and after freezing and solidifying.
In order to solve the technical problems, the technical means of the water drainage anti-freezing device adopted by the utility model is as follows: the system comprises a first water dropping device connected with the water outlet side of the water meter and a second water dropping device arranged behind the water outlet side of the first water dropping device, wherein the second water dropping device is arranged on a branch pipeline arranged on the water outlet side pipeline of the first water dropping device; the first water dropping device comprises a body forming a cylindrical inner cavity, a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the body, a water dropping hole is formed in the bottom inside the body, a water dropping pipe extending towards the inside of the body is arranged at the position of the water dropping hole, the top of the water dropping pipe is sealed, a flow guide hole is formed in the side edge of the water dropping pipe, and the flow guide hole is used for guiding water in the body into the water dropping pipe; a balance piston penetrates through the outer part of the water dropping pipe, the balance piston can move under the guiding action of the water dropping pipe, and a balance chamber is formed by the balance piston, the inner part of the body and the water dropping pipe in a sealing manner; a balance spring is arranged between the balance piston and the bottom of the inner side of the body, and the balance piston is arranged at the uppermost end by the balance spring in a normal state, so that the flow guide hole on the drip pipe is not communicated with the inside of the body; when the balance piston moves downwards to a certain position, the flow guide hole on the drip pipe is communicated with the interior of the body.
The water drainage antifreezing device of the technical scheme has the following technical advantages: the utility model has a first water dropping device and a second water dropping device which can drain water dropping, the first water dropping device utilizes the abnormal expansion state of water at 0-4 ℃, the volume is increased along with the reduction of the temperature, the volume of the water in the body is increased, the piston is pushed and matched to move downwards, the flow guide hole of the pipeline of the water dropping pipe fan is communicated with the inside of the body, the water in the body flows out through the water dropping hole, the water in the water meter and the body is in a flowing state, the water is prevented from freezing, the water meter and the pipeline are protected, meanwhile, the balance piston is formed between the balance piston and the body and between the water dropping pipe, the balance piston at one end of the balance chamber can be compressed, and the increased volume of the water in the water meter is absorbed, thereby the problems of volume increase caused by the water in the abnormal expansion state and after freezing and solidification are solved, and the water meter is easy to damage are solved.
Preferably, the second dripping device comprises a switch arranged on the branch pipe, a switch piston connected with the switch, a piston cylinder for mounting the switch piston, and a saline solution filled at the bottoms of the piston cylinder and the switch piston, wherein the switch is used for controlling dripping of water of the branch pipe, the far end of a handle of the switch is hinged with a piston rod of the switch piston, and the bottom of the piston cylinder is hinged and fixed on the ground or a bracket; when the saline solution is in a liquid state, the switch piston on the piston cylinder is positioned at the lowest end position in the piston cylinder; the second dripping device can effectively prevent the first dripping device from losing efficacy, further protect the water meter from being damaged, the freezing point of the saline solution in the piston cylinder is lower than the freezing point of water, when the external temperature reaches the freezing point of the saline solution, the volume of the saline solution is increased after solidification to enable the switch piston to move upwards, the switch is driven to be opened to enable water in the branch pipeline to realize drip irrigation, and the water in the water meter and the pipeline flows to prevent the water from being increased after freezing to damage the water meter.
Preferably, a piston spring is arranged between the bottom of the switch piston and the piston cylinder, and the piston spring is in a non-energy storage state in a normal state.
Preferably, rubber sealing rings are arranged between the balance piston and the interior of the body and between the balance piston and the drip pipe, and the rubber sealing rings movably seal the balance chamber; the rubber sealing ring is beneficial to forming a balance chamber among the balance piston, the body and the water dripping pipe, and improves the sealing performance of the balance chamber.
As a preferred scheme, a handle of the switch is hinged with a piston rod of the switch piston, a strip-shaped hole connected with the piston rod is formed in the handle of the switch, and the length direction of the strip-shaped hole is the same as that of the handle; the handle of switch is articulated with the upper end of piston rod, and connecting hole on the handle is the bar hole, and when can effectively overcome handle circumferential rotation, the problem that the pin joint changes at any time makes the handle initiative that can more smoothly take the switch when the piston rod removes to trigger the work of second water droplet device better.
Preferably, the lower end of the upper through hole of the balance piston is provided with an extension part; when the balance piston is positioned at the uppermost end, the length of the extension part can completely cover the flow guide hole; the proper extension can effectively prevent water from entering the balance chamber.
Preferably, a nut for preventing the balance piston from falling off is arranged at the top of the water dropping pipe, and an external thread for mounting the nut is arranged at the upper end of the water dropping pipe; the drip pipe is in threaded connection with the nut, so that the balance piston is convenient to mount, and the balance piston is prevented from falling off the drip pipe.
As a preferable scheme, the flow guide holes on the water dripping pipe are round holes, and the total area of all the flow guide holes is less than or equal to 0.5 time of the area of the water dripping holes; the circular diversion holes are convenient for water drops to flow out and are convenient for processing and production.
Preferably, a water drop collecting tank is arranged at the tail end of the water dropping hole or the branch pipe; the water dripped from the first water dripping device and the second water dripping device is collected for recycling.
Drawings
FIG. 1 is a schematic diagram of the principles of the present invention;
FIG. 2 is an enlarged view A of a portion of FIG. 1;
FIG. 3 is a schematic view of the operation of the first water dropping device of the present invention;
FIG. 4 is a partial enlarged view B of FIG. 1;
fig. 5 is a schematic view of another installation of the first dripping device.
The main part symbols in the figures are explained as follows:
1. a water meter; 3. branch pipelines; 2. a first water dripping device; 21. a drip pipe; 22. a balance piston; 23. a balance spring; 24. A body; 4. a second dripping device; 41. a switch; 42. a switch piston; 43. a piston cylinder; 44. a saline solution; 45. a piston spring.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, the drain antifreezing device includes a first water dropping device 2 connected to the water outlet side of the water meter 1, and a second water dropping device 4 disposed behind the water outlet side of the first water dropping device, wherein the second water dropping device 4 is mounted on a branch pipe 3 disposed on the water outlet side pipe of the first water dropping device 2.
As shown in fig. 2 and 3, the first water dropping device 2 includes a body 24 forming a cylindrical inner cavity, a water inlet pipe and a water outlet pipe are respectively disposed on two sides of the body 24, a water dropping hole is disposed on the bottom inside the body 24, a water dropping pipe 21 extending towards the inside of the body is disposed at the water dropping hole, the top of the water dropping pipe 21 is sealed, a water guiding hole is disposed on the side of the water dropping pipe 21, and the water guiding hole is used for guiding water in the body 24 into the water dropping pipe 21. A balance piston 22 is arranged outside the water dropping pipe 21 in a penetrating manner, the balance piston 22 can move under the guiding action of the water dropping pipe 21, and a balance chamber is formed between the balance piston 22 and the interior of the body 24 and between the balance piston and the water dropping pipe 21 in a sealing manner; a balance spring 23 is arranged between the balance piston 22 and the bottom of the inner side of the body 24, and the balance spring 23 pushes the balance piston 22 to the uppermost end in a normal state, so that the flow guide hole on the water dropping pipe 21 is not communicated with the inside of the body; when the balance piston 22 moves down to a certain position, the diversion hole on the drip pipe 21 is communicated with the interior of the body. Rubber sealing rings are arranged between the balance piston 22 and the interior of the body 24 and between the balance piston and the drip pipe 21, and the rubber sealing rings movably seal a balance chamber; the rubber sealing ring is beneficial to forming a balance chamber among the balance piston 22, the body 24 and the water dripping pipe 21, and improves the sealing performance of the balance chamber. The lower end of the through hole on the balance piston 22 is provided with an extension part; when the balance piston 22 is located at the uppermost end, the length of the extension portion can completely cover the diversion hole, and the proper extension portion can effectively prevent water from entering the balance chamber. The top of the drip pipe 21 is provided with a nut for preventing the balance piston 22 from falling off, and the upper end of the drip pipe 21 is provided with an external thread for mounting the nut; the drip pipe 21 is connected with the screw cap through threads, so that the balance piston 22 is convenient to mount, and the balance piston 21 is prevented from falling off the drip pipe. The flow guide holes on the water dripping pipe 21 are round holes, and the total area of all the flow guide holes is less than or equal to 0.5 time of the area of the water dripping holes; the circular diversion holes are convenient for water drops to flow out and are convenient for processing and production.
As shown in fig. 4, the second dripping device 4 comprises a switch 41 arranged on the branch pipe 3, a switch piston 42 connected with the switch 41, a piston cylinder 43 for mounting the switch piston 42, and a saline solution 44 filled at the bottom of the piston cylinder 43 and the switch piston 42, wherein the switch is used for controlling dripping of the branch pipe 3, the distal end of a handle of the switch 41 is hinged with a piston rod of the switch piston 42, and the bottom of the piston cylinder 43 is hinged and fixed on the ground or a bracket; a piston spring 45 is arranged between the bottom of the switch piston 42 and the piston cylinder 43, and the piston spring 45 is in a non-energy storage state in a normal state; when the saline solution 44 is in a liquid state, the on-off piston 42 of the piston cylinder 43 is located at the lowermost position in the piston cylinder 43. In order to avoid the dead point generated when the switch handle and the switch piston 42 rotate (the handle of the switch 41 is an arc path when rotating, the balance piston 42 is a linear path when moving, and the fixed hinge point can not rotate), the bottom of the piston cylinder 43 is hinged, so that the piston cylinder 43 and the switch piston 42 can swing along with the rotation of the switch 41, the piston is more favorable for driving the handle of the switch 41 to rotate, and the work of the second dripping device 4 is better triggered. A water drop collecting tank is arranged at the tail end of the water dropping hole or the branch pipe; the water dripped from the first water dripping device 2 and the second water dripping device 4 is collected for recycling. In order to avoid the dead point generated when the handle of the switch 41 and the switch piston 42 rotate, the handle of the switch 41 and the piston rod of the switch piston 42 can be hinged, a strip-shaped hole connected with the piston rod is arranged on the handle of the switch 41, and the length direction of the strip-shaped hole is the same as that of the handle; switch 41's handle is articulated with the upper end of piston rod, and connecting hole on the handle is the bar hole, and when can effectively overcome handle circumferential rotation, the problem that the pin joint changes at any time makes the piston rod move the handle initiative that can more smoothly drive switch 41 to trigger the work of second water dripping device 4 better.
The concentration of the brine solution 44 is preferably in the range of 9% to 9.4%, where the freezing point of the brine solution 44 is-5.2%, and preferably the concentration of the brine solution 44 is in the range of 9.2%, where the freezing point of the brine solution 44 is around-5 ℃. The general water meter 1, the body 24 and the branch pipeline 3 are externally wrapped with a heat insulation cotton layer, and the temperature is several degrees higher than the outside. In an alternative embodiment, as shown in fig. 5, the first dripping device 2 may be installed in the water meter to protect the water meter as well. In the high-altitude mountain area in Chongqing, the temperature is low in winter, the water meter is easy to freeze, and a common water supply manufacturer recommends to open a water tap for drip irrigation at about-5 ℃ so as to enable water in the water meter to be in a flowing state, thereby preventing the freezing in the water meter from influencing the normal use of residents in the mountain area.
The working principle and the process thereof are as follows: when the water temperature 0 in the water meter 1 and the pipeline thereof is at-4 ℃, the water is in an abnormal expansion state, and the water volume in the water meter and the pipeline thereof can increase along with the reduction of the temperature. In the first water dropping device 2, the water pressure in the body 24 will increase, the water will press the balance piston 22 upwards, until the water dropping hole on the water dropping pipe 21 is exposed, the water in the body 24 passes through the flow guiding hole and the water dropping pipe 24 in sequence, and finally flows out from the water dropping hole, thereby realizing that flowing water exists in the body 24 and the water meter 1 all the time, so that the flowing water cannot freeze, and the water meter 1 is protected; when the outside temperature rises and the temperature of the water in the water meter 1 also rises, the pressure of the water on the upper side of the balance piston 42 is reduced, the balance piston 42 gradually moves upwards to the uppermost end, so that the flow guide hole on the water dropping pipe 21 is not communicated with the body 24, the drip irrigation of the water in the body 24 is stopped, and the water is recovered to the normal state. In the second dripping device 4, the saline solution 44 with a specific concentration is filled in the piston cylinder 43, the saline solution 44 with a specific concentration has a stable freezing point, when the outside temperature reaches the freezing point of the saline solution 44, the saline solution 44 in the piston cylinder 43 is frozen and solidified, and then the volume is increased, the saline solution 44 pushes the switch piston 42 upwards to move under the limiting action of the piston cylinder 43 (at this time, the piston spring 45 is in a stretching energy storage state), the switch piston 42 drives the handle of the switch 41 to rotate, so that the switch 41 is opened, the water in the branch pipeline 3 is subjected to drip irrigation, and flowing water is always present in the body 24 and the water meter 1, so that the water meter cannot be frozen, and the water meter is protected; when the external temperature rises and the saline solution 44 melts, the piston spring 45 sequentially drives the switch piston 42 to retract, so that the switch piston 42 closes the switch 41, the switch returns to a normal state, and the drip irrigation of the pipeline 3 is stopped.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a sluicing freeze-proof device which characterized in that: the device comprises a first water dripping device connected with the water outlet side of the water meter and a second water dripping device arranged behind the water outlet side of the first water dripping device, wherein the second water dripping device is arranged on a branch pipeline arranged on the water outlet side pipeline of the first water dripping device;
the first water dropping device comprises a body forming a cylindrical inner cavity, a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the body, a water dropping hole is formed in the bottom inside the body, a water dropping pipe extending towards the inside of the body is arranged at the position of the water dropping hole, the top of the water dropping pipe is sealed, a flow guide hole is formed in the side edge of the water dropping pipe, and the flow guide hole is used for guiding water in the body into the water dropping pipe; a balance piston penetrates through the outer part of the water dropping pipe, the balance piston can move under the guiding action of the water dropping pipe, and a balance chamber is formed by the balance piston, the inner part of the body and the water dropping pipe in a sealing manner; a balance spring is arranged between the balance piston and the bottom of the inner side of the body, and the balance piston is arranged at the uppermost end by the balance spring in a normal state, so that the flow guide hole on the drip pipe is not communicated with the inside of the body; when the balance piston moves downwards to a certain position, the flow guide hole on the drip pipe is communicated with the interior of the body.
2. The drain antifreeze apparatus of claim 1, further comprising: the second water dripping device comprises a switch arranged on the branch pipeline, a switch piston connected with the switch, a piston cylinder for mounting the switch piston, and saline solution filled at the bottoms of the piston cylinder and the switch piston, wherein the switch is used for controlling dripping of the branch pipeline, the far end of a handle of the switch is hinged with a piston rod of the switch piston, and the bottom of the piston cylinder is hinged and fixed on the ground or a support; when the saline solution is in a liquid state, the switch piston on the piston cylinder is positioned at the lowest end position in the piston cylinder.
3. The drain antifreeze apparatus of claim 2, wherein: and a piston spring is arranged between the bottom of the switch piston and the piston cylinder, and the piston spring is in a non-energy storage state in a normal state.
4. The drain antifreeze apparatus of claim 2, wherein: and rubber sealing rings are arranged between the balance piston and the interior of the body and between the balance piston and the drip pipe, and the rubber sealing rings movably seal the balance cavity.
5. The drain antifreeze apparatus of claim 4, wherein: the handle of switch is articulated between the piston rod of switch piston, be equipped with the bar hole of connecting the piston rod on the handle of switch, the length direction in bar hole is the same with the length direction of handle.
6. The drain antifreeze apparatus of claim 1, further comprising: the lower end of the upper through hole of the balance piston is provided with an extension part; when the balance piston is positioned at the uppermost end, the length of the extension part can completely cover the diversion hole.
7. The drain antifreeze apparatus of claim 1, further comprising: the top of the water dripping pipe is provided with a nut for preventing the balance piston from falling off, and the upper end of the water dripping pipe is provided with an external thread for installing the nut.
8. The drain antifreeze apparatus of claim 1, further comprising: the flow guide holes on the water dripping pipe are round holes, and the total area of all the flow guide holes is smaller than or equal to 0.5 time of the area of the water dripping holes.
9. The drain antifreeze apparatus of claim 1, further comprising: and a water drop collecting tank is arranged at the tail end of the water dropping hole or the branch pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123264563.6U CN216899079U (en) | 2021-12-23 | 2021-12-23 | Sluicing freeze-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123264563.6U CN216899079U (en) | 2021-12-23 | 2021-12-23 | Sluicing freeze-proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216899079U true CN216899079U (en) | 2022-07-05 |
Family
ID=82209236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123264563.6U Expired - Fee Related CN216899079U (en) | 2021-12-23 | 2021-12-23 | Sluicing freeze-proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216899079U (en) |
-
2021
- 2021-12-23 CN CN202123264563.6U patent/CN216899079U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220705 |