CN110849446A - Water level monitoring device with alarming function - Google Patents
Water level monitoring device with alarming function Download PDFInfo
- Publication number
- CN110849446A CN110849446A CN201911110618.2A CN201911110618A CN110849446A CN 110849446 A CN110849446 A CN 110849446A CN 201911110618 A CN201911110618 A CN 201911110618A CN 110849446 A CN110849446 A CN 110849446A
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- China
- Prior art keywords
- block
- mounting groove
- tuning fork
- water level
- fixedly connected
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000007667 floating Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/40—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements
- G01F23/42—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements using mechanically actuated indicating means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a water level monitoring device with an alarm function, which comprises a mounting block, wherein a cavity is formed in the mounting block, a first tuning fork is fixedly mounted in the cavity, a second tuning fork with the same vibration frequency as the first tuning fork is also fixedly mounted at the upper end of the mounting block, a metal cover body is arranged on an external sealing cover of the second tuning fork, two fork arms of the second tuning fork are not just in contact with the inner wall of the metal cover body, and a through hole communicated with the cavity is further formed in the surface of the mounting block in the metal cover body; a longitudinal first mounting groove is formed in the bottom of the cavity, and a striking block matched with the first tuning fork for use is vertically and slidably connected to the inside of the first mounting groove. The invention can rapidly trigger transmission when the water level is lower than a warning line, and send out an alarm to remind a worker to respond in time.
Description
Technical Field
The invention relates to the technical field of water level monitoring, in particular to a water level monitoring device with an alarm function.
Background
The principle of hydroelectric generation is that water flow is utilized to push a water turbine to rotate, so that the water turbine drives a generator to operate to convert mechanical energy into electric energy, and finally, the electric energy is transmitted to users through power transformation and power transmission and distribution equipment.
When hydroelectric power generation is carried out in a hydropower station, a water level monitoring device is usually required to be arranged at a water outlet, so that insufficient water flow energy supply is prevented when the water level is low. The existing water level monitoring equipment is not sensitive enough to the response of the water level change, and can not rapidly inform the staff to make emergency adjustment when the water level is lower than a warning line, so that the use is inconvenient.
Therefore, a water level monitoring device with an alarm function is provided.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a water level monitoring device with an alarm function.
In order to achieve the purpose, the invention adopts the following technical scheme: a water level monitoring device with an alarming function comprises a mounting block, wherein a cavity is formed in the mounting block, a first tuning fork is fixedly mounted in the cavity, a second tuning fork with the same vibration frequency as the first tuning fork is also fixedly mounted at the upper end of the mounting block, a metal cover body is hermetically covered outside the second tuning fork, two fork arms of the second tuning fork are not just in contact with the inner wall of the metal cover body, and a through hole communicated with the cavity is further formed in the surface of the mounting block in the metal cover body;
a longitudinal first mounting groove is formed in the bottom of the cavity, an impact block matched with the first tuning fork for use is vertically and slidably connected inside the first mounting groove, a first spring is fixedly connected between the bottom end of the impact block and the bottom in the first mounting groove, a reset pull rod is also vertically welded at the bottom end of the impact block, the lower end of the reset pull rod penetrates through the mounting block and extends out of the mounting block, and the first spring is just sleeved outside the reset pull rod;
set up the second mounting groove of a horizontal setting on the lateral wall of installation piece, and second mounting groove and first mounting groove intercommunication, a spacing groove has still been seted up in the middle of the lateral wall of striking piece, the inside sliding connection has the stopper that a cooperation spacing groove used just in the second mounting groove, it has an annular connecting block to go back the rigid coupling in the middle of the second mounting groove, and go back fixedly connected with second spring between annular connecting block and the stopper, the one end that the spacing groove was kept away from to the stopper still is equipped with water level monitoring mechanism.
In the above water level monitoring device with alarm function, the water level monitoring mechanism includes an L-shaped pipe fixedly connected to the side wall of the mounting block in a sealing manner, wherein the notch of the second mounting groove is located inside the pipe orifice of the L-shaped pipe, a movable pulley is slidably connected to the inner wall of the L-shaped pipe, rope hooks are arranged at the left end and the right end of the movable pulley, a first pull rope is fixedly connected to the rope hook at the right end of the movable pulley, the other end of the first pull rope horizontally extends into the second mounting groove and then penetrates through the annular connecting block to be fixedly connected with the side wall of the limiting block, a second pull rope is fixedly connected to the hook at the left end of the movable pulley, a wheel carrier is fixedly connected to the inner wall of the L-shaped pipe, a first fixed pulley and a second fixed pulley used in cooperation with the second pull rope are rotatably arranged on the wheel carrier, and one end of the second pull rope, far away from the hook at the left, The movable pulley and the second fixed pulley extend vertically downwards and are fixedly connected with a floating block, and the floating block is also positioned inside the L-shaped pipe.
Compared with the prior art, this water level monitoring device with alarming function's advantage lies in:
1. the first tuning fork and the second tuning fork which can resonate are arranged to be matched with the water level monitoring mechanism for use, transmission is carried out by utilizing the tension change effect at one end of the floating block when the water level is changed, and the transmission can be rapidly triggered when the water level is lower than a warning line, so that the second tuning fork resonates to continuously knock the metal cover body to send an alarm, and a worker can conveniently respond in time; the process adopts a pure mechanical structure for transmission, does not need to consume electric power, is energy-saving and environment-friendly, and is more convenient to use;
2. the pulley block formed by the first fixed pulley, the second fixed pulley and the movable pulley is matched with the floating block and the limiting block for use, the pulling force change effect of one end of the floating block is amplified when the water level changes, so that the limiting block is sensitive to the water level change condition, and the monitoring sensitivity of the device is higher.
Drawings
Fig. 1 is a schematic structural diagram of a water level monitoring device with an alarm function according to the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: the device comprises an installation block 1, a cavity 2, a first tuning fork 3, a second tuning fork 4, a metal cover 5, a first installation groove 6, an impact block 7, a first spring 8, a reset pull rod 9, a second installation groove 10, a limiting block 11, a ring-shaped connection block 12, a second spring 13, an L-shaped pipe 14, a movable pulley 15, a first pull rope 16, a second pull rope 17, a wheel carrier 18, a first fixed pulley 19, a second fixed pulley 20 and a floating block 21.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-2, a water level monitoring device with an alarm function comprises a mounting block 1, a cavity 2 is formed in the mounting block 1, a first tuning fork 3 is fixedly mounted in the cavity 2, a second tuning fork 4 with the same vibration frequency as the first tuning fork 3 is also fixedly mounted at the upper end of the mounting block 1, a metal cover 5 is hermetically covered outside the second tuning fork 4, two fork arms of the second tuning fork 4 are not just in contact with the inner wall of the metal cover 5, and a through hole communicated with the cavity 2 is further formed in the surface of the mounting block 1 in the metal cover 5;
a longitudinal first mounting groove 6 is formed in the bottom of the cavity 2, an impact block 7 matched with the first tuning fork 3 for use is vertically and slidably connected inside the first mounting groove 6, a first spring 8 is fixedly connected between the bottom end of the impact block 7 and the bottom in the first mounting groove 6, a reset pull rod 9 is also vertically welded at the bottom end of the impact block 7, the lower end of the reset pull rod 9 penetrates through and extends out of the mounting block 1, and the first spring 8 is just sleeved outside the reset pull rod 9;
a second mounting groove 10 which is transversely arranged is formed in the side wall of the mounting block 1, the second mounting groove 10 is communicated with the first mounting groove 6, a limiting groove is further formed in the middle of the side wall of the impact block 7, a limiting block 11 which is matched with the limiting groove in use is just connected in the second mounting groove 10 in a sliding mode, an annular connecting block 12 is further fixedly connected in the middle of the second mounting groove 10, a second spring 13 is further fixedly connected between the annular connecting block 12 and the limiting block 11, the first spring 8 and the second spring 13 are both reset springs made of stainless steel materials, the reset performance of the reset springs is more accurate and stable, and the reset springs are made of stainless steel materials and have stronger corrosion resistance and are more durable;
a water level monitoring mechanism is further arranged at one end, far away from the limiting groove, of the limiting block 11, the water level monitoring mechanism comprises an L-shaped pipe 14 which is fixedly connected to the side wall of the mounting block 1 in a sealing manner, a notch of the second mounting groove 10 is located inside a pipe orifice of the L-shaped pipe 14, a movable pulley 15 is slidably connected to the inner wall of the L-shaped pipe 14, rope hooks are arranged at the left end and the right end of the movable pulley 15, a first pull rope 16 is fixedly connected to the rope hook at the right end of the movable pulley 15, the other end of the first pull rope 16 horizontally extends into the second mounting groove 10 and penetrates through the annular connecting block 12 to be fixedly connected with the side wall of the limiting block 11, a second pull rope 17 is fixedly connected to the hook body at the left end of the movable pulley 15, a wheel carrier 18 is fixedly connected to the inner wall of the L-shaped pipe 14, a first fixed pulley 19 and a second fixed pulley 20 which are matched with the second pull rope 17 are rotatably arranged on the wheel carrier 18, The movable pulley 15 and the second fixed pulley 20 extend vertically downwards and are fixedly connected with a floating block 21, the floating block 21 is also positioned inside the L-shaped pipe 14, the diameter of the second fixed pulley 20 is larger than that of the first fixed pulley 19, and the second pull rope 17 is prevented from contacting with the first fixed pulley 19 and the second fixed pulley 20 when being wound, so that friction resistance is generated in the transmission process, and the transmission efficiency is influenced.
When the device is used, the device is arranged at a water outlet of hydraulic power generation, the vertical part of the L-shaped pipe 14 is inserted into water, when the water level is normal, the floating block 13 in the L-shaped pipe 14 is in a free floating state, the second pull rope 17 and the first pull rope 16 are both loose, at the moment, the limiting block 11 is abutted in the limiting groove in the side wall of the impact block 7 under the action of the elastic force of the second spring 13 to limit the impact block 7, and the first spring 8 and the second spring 13 are both in a compressed state; when the water level is abnormally reduced, the floating height of the floating block 21 is gradually reduced along with the water level, when the water level is continuously reduced, the second pull rope 17 and the first pull rope 16 are gradually tensioned by the floating block, the buoyancy force applied to the floating block 13 is gradually reduced, the second pull rope 17 can pull the movable pulley 15, the first pull rope 16 and the limiting block 11 to slide leftwards under the action of the gravity of the floating block 21, when the limiting block 11 is pulled to be completely separated from the limiting groove, the impact block 7 is separated from the limiting position and then moves upwards under the action of the elastic force of the first spring 8 to impact the first tuning fork 3, the first tuning fork 3 can drive the second tuning fork 4 at the upper end of the mounting block 1 to resonate after vibrating, two fork arms of the second tuning fork 4 can continuously hit the inner wall of the metal cover body 5 when vibrating, so as to continuously send impact sound to give an alarm to workers, and because of the sealed space formed by the cavity 2 and the metal cover body 5, the, the impact alarm sound may be amplified by mounting a sound amplification device around the metal enclosure 5; after the water level returns to normal, the floating block 21 floats on the water surface again, a worker only needs to pull the reset pull rod 9 at the bottom of the mounting block 1 to enable the impact block 7 to slide back into the first mounting groove 6, and due to the reset force of the second spring 13, the limiting block 11 can be automatically and again abutted into the limiting groove to limit the impact block 7, so that the reset process is convenient to operate;
it is worth to be noted that under the action of the pulley block formed by the first fixed pulley 19, the second fixed pulley 20 and the movable pulley 15, the pulling force of the first pull rope 16 to the limiting block 11 is about three times of the pulling force of the floating block 21 to the second pull rope 17, so that the limiting block 11 is sensitive to the water level change condition, and the monitoring sensitivity is high.
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 invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (2)
1. The water level monitoring device with the alarm function comprises an installation block (1) and is characterized in that a cavity (2) is formed inside the installation block (1), a first tuning fork (3) is fixedly installed inside the cavity (2), a second tuning fork (4) with the same vibration frequency as the first tuning fork (3) is further fixedly installed at the upper end of the installation block (1), a metal cover body (5) is arranged on the outer sealing cover of the second tuning fork (4), two fork arms of the second tuning fork (4) are not in contact with the inner wall of the metal cover body (5) right, and a through hole communicated with the cavity (2) is further formed in the surface of the installation block (1) located in the metal cover body (5);
a longitudinal first mounting groove (6) is formed in the bottom of the cavity (2), a striking block (7) matched with the first tuning fork (3) for use is vertically and slidably connected to the interior of the first mounting groove (6), a first spring (8) is fixedly connected between the bottom end of the striking block (7) and the bottom of the first mounting groove (6), a reset pull rod (9) is vertically welded to the bottom end of the striking block (7), the lower end of the reset pull rod (9) extends out of the mounting block (1) in a penetrating mode, and the first spring (8) is just sleeved outside the reset pull rod (9);
set up second mounting groove (10) of a horizontal setting on the lateral wall of installation piece (1), and second mounting groove (10) and first mounting groove (6) intercommunication, a spacing groove has still been seted up in the middle of the lateral wall of striking piece (7), inside sliding connection has stopper (11) that a cooperation spacing groove used just in second mounting groove (10), it has an annular connecting block (12) to go back the rigid coupling in the middle of second mounting groove (10), and between annular connecting block (12) and stopper (11) still fixedly connected with second spring (13), the one end that spacing groove was kept away from in stopper (11) still is equipped with water level monitoring mechanism.
2. The water level monitoring device with the alarm function according to claim 1, wherein the water level monitoring mechanism comprises an L-shaped pipe (14) fixedly connected to the side wall of the mounting block (1) in a sealing manner, wherein the notch of the second mounting groove (10) is located inside the pipe orifice of the L-shaped pipe (14), a movable pulley (15) is connected to the inner wall of the L-shaped pipe (14) in a sliding manner, rope hooks are arranged at the left end and the right end of the movable pulley (15), a first pull rope (16) is fixedly connected to the rope hook at the right end of the movable pulley (15), the other end of the first pull rope (16) horizontally extends into the second mounting groove (10) and penetrates through the annular connecting block (12) to be fixedly connected with the side wall of the limiting block (11), a second pull rope (17) is further fixedly connected to the hook body at the left end of the movable pulley (15), and a wheel carrier (18) is further fixedly connected to the inner wall of the L-shaped pipe (14), the wheel carrier (18) is provided with a first fixed pulley (19) and a second fixed pulley (20) in a rotating mode, the first fixed pulley (19) and the second fixed pulley (20) are used in cooperation with a second pull rope (17), one end, far away from a hook body at the left end of the movable pulley (15), of the second pull rope (17) sequentially winds behind the first fixed pulley (19), the movable pulley (15) and the second fixed pulley (20) and vertically extends downwards to form a floating block (21), and the floating block (21) is located inside the L-shaped pipe (14).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011143017.4A CN112284495A (en) | 2019-11-14 | 2019-11-14 | Water level monitoring device with alarm function and method |
| CN201911110618.2A CN110849446B (en) | 2019-11-14 | 2019-11-14 | Water level monitoring device with alarming function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110618.2A CN110849446B (en) | 2019-11-14 | 2019-11-14 | Water level monitoring device with alarming function |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011143017.4A Division CN112284495A (en) | 2019-11-14 | 2019-11-14 | Water level monitoring device with alarm function and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110849446A true CN110849446A (en) | 2020-02-28 |
| CN110849446B CN110849446B (en) | 2020-12-11 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011143017.4A Withdrawn CN112284495A (en) | 2019-11-14 | 2019-11-14 | Water level monitoring device with alarm function and method |
| CN201911110618.2A Expired - Fee Related CN110849446B (en) | 2019-11-14 | 2019-11-14 | Water level monitoring device with alarming function |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011143017.4A Withdrawn CN112284495A (en) | 2019-11-14 | 2019-11-14 | Water level monitoring device with alarm function and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112284495A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486928A (en) * | 2020-04-22 | 2020-08-04 | 陈辉辉 | Sewage treatment pond water level monitoring alarm device |
| CN111498999A (en) * | 2020-04-23 | 2020-08-07 | 凌垚峰 | View chinampa plant roots parasite cleaning device |
| CN111501951A (en) * | 2020-05-18 | 2020-08-07 | 吕雯 | Municipal drainage is with mouth of pipe that dams down-flow prevention device |
| CN111765834A (en) * | 2020-06-24 | 2020-10-13 | 中国二十冶集团有限公司 | Measuring tool for hole depth or water level and using method thereof |
| CN112050714A (en) * | 2020-09-02 | 2020-12-08 | 德清县海杰包装有限公司 | Thickness monitoring device is used in production of biaxial stretching polypropylene film |
| CN112097171A (en) * | 2020-10-12 | 2020-12-18 | 柏承文 | Pneumatic self-cleaning LED street lamp |
| CN112278563A (en) * | 2020-10-29 | 2021-01-29 | 王显成 | Container with anti-overflow function |
| CN112412610A (en) * | 2020-11-11 | 2021-02-26 | 陶晨 | Automatic engine coolant filling mechanism for ditcher |
| CN113124962A (en) * | 2021-04-26 | 2021-07-16 | 铁岭铁光仪器仪表有限责任公司 | Liquid level measuring instrument and measuring method |
| CN113379983A (en) * | 2021-05-11 | 2021-09-10 | 刘红芳 | Intelligent medical monitoring equipment with self-cleaning function and monitoring method thereof |
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| US20140077958A1 (en) * | 2012-09-14 | 2014-03-20 | Hon Hai Precision Industry Co., Ltd. | Water level detection device |
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| CN109315309A (en) * | 2018-11-20 | 2019-02-12 | 葛永琴 | A kind of drinking trough can be used for livestock farm |
| CN110426157A (en) * | 2019-07-17 | 2019-11-08 | 新昌县泉道智能科技有限公司 | A kind of LED lamp detection device |
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- 2019-11-14 CN CN202011143017.4A patent/CN112284495A/en not_active Withdrawn
- 2019-11-14 CN CN201911110618.2A patent/CN110849446B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20140077958A1 (en) * | 2012-09-14 | 2014-03-20 | Hon Hai Precision Industry Co., Ltd. | Water level detection device |
| CN106965882A (en) * | 2017-04-13 | 2017-07-21 | 成都步共享科技有限公司 | A kind of shared bicycle lock with warning device |
| CN208350174U (en) * | 2018-07-21 | 2019-01-08 | 高洪丽 | Float mechanical alarm liquidometer |
| CN109315309A (en) * | 2018-11-20 | 2019-02-12 | 葛永琴 | A kind of drinking trough can be used for livestock farm |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486928A (en) * | 2020-04-22 | 2020-08-04 | 陈辉辉 | Sewage treatment pond water level monitoring alarm device |
| CN111498999A (en) * | 2020-04-23 | 2020-08-07 | 凌垚峰 | View chinampa plant roots parasite cleaning device |
| CN111498999B (en) * | 2020-04-23 | 2022-08-12 | 湖州越彬智能科技有限公司 | View chinampa plant roots parasite cleaning device |
| CN111501951A (en) * | 2020-05-18 | 2020-08-07 | 吕雯 | Municipal drainage is with mouth of pipe that dams down-flow prevention device |
| CN111765834A (en) * | 2020-06-24 | 2020-10-13 | 中国二十冶集团有限公司 | Measuring tool for hole depth or water level and using method thereof |
| CN112050714A (en) * | 2020-09-02 | 2020-12-08 | 德清县海杰包装有限公司 | Thickness monitoring device is used in production of biaxial stretching polypropylene film |
| CN112050714B (en) * | 2020-09-02 | 2021-10-26 | 山东协和学院 | Thickness monitoring device is used in production of biaxial stretching polypropylene film |
| CN112097171A (en) * | 2020-10-12 | 2020-12-18 | 柏承文 | Pneumatic self-cleaning LED street lamp |
| CN112278563A (en) * | 2020-10-29 | 2021-01-29 | 王显成 | Container with anti-overflow function |
| CN112412610A (en) * | 2020-11-11 | 2021-02-26 | 陶晨 | Automatic engine coolant filling mechanism for ditcher |
| CN113124962A (en) * | 2021-04-26 | 2021-07-16 | 铁岭铁光仪器仪表有限责任公司 | Liquid level measuring instrument and measuring method |
| CN113379983A (en) * | 2021-05-11 | 2021-09-10 | 刘红芳 | Intelligent medical monitoring equipment with self-cleaning function and monitoring method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110849446B (en) | 2020-12-11 |
| CN112284495A (en) | 2021-01-29 |
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