CN113007835A - Air ventilation device for public health infectious disease prevention - Google Patents
Air ventilation device for public health infectious disease prevention Download PDFInfo
- Publication number
- CN113007835A CN113007835A CN202110231310.4A CN202110231310A CN113007835A CN 113007835 A CN113007835 A CN 113007835A CN 202110231310 A CN202110231310 A CN 202110231310A CN 113007835 A CN113007835 A CN 113007835A
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- Prior art keywords
- ventilation device
- fixedly connected
- device body
- inner cavity
- block
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention relates to the technical field of ventilation devices, in particular to an air ventilation device for public health infectious disease prevention, which comprises an installation frame and a ventilation device body, wherein the ventilation device body is positioned in an inner cavity of the installation frame, a plurality of guide plates distributed at equal intervals are arranged on the front side of the inner cavity of the ventilation device body, a rotating rod penetrates through one side of each guide plate, one end of each rotating rod is rotatably connected with the ventilation device body, and round rods are arranged on two sides of the inner cavity of the ventilation device body. The air ventilation device for preventing infectious diseases in public health has the advantages of being easy to disassemble and capable of automatically adjusting the angle of the flow guide plate, and in the actual use process, a user can disassemble the ventilation device, so that the ventilation device is convenient for the user to clean and maintain, and the angle of the flow guide plate can be automatically adjusted, so that the practicability of the ventilation device is improved, and the problem that the existing ventilation device is inconvenient for the user to disassemble the ventilation device is solved.
Description
Technical Field
The invention relates to the technical field of ventilation devices, in particular to an air ventilation device for public health infectious disease prevention.
Background
Ventilation is a building environment control technology which generally controls the propagation and harm of air pollutants by means of ventilation dilution or ventilation removal and the like and realizes the guarantee of indoor and outdoor air environment quality, and a ventilation device is a whole set of devices which realize the ventilation function and comprises an air inlet, an air outlet, an air supply pipeline, a fan, a cooling and heating device, a filter, a control system and other accessory equipment.
Public health prevention is the public cause that concerns a regional people's public affairs, and good ventilation unit can effectively prevent the propagation of pollutant, but the inconvenient user of current ventilation unit dismantles it to influence the cleanness or the maintenance in workman's later stage, if ventilation unit's mounted position when higher, the inconvenient angle to the guide plate of user is adjusted, has reduced ventilation unit's practicality then.
Disclosure of Invention
The invention aims to provide an air ventilation device for public health infectious disease prevention, which has the advantages of easy disassembly and automatic adjustment of the angle of a guide plate, and solves the problems that the conventional ventilation device is inconvenient for a user to disassemble, so that the later cleaning or maintenance of workers is influenced, and if the installation position of the ventilation device is higher, the user is inconvenient to adjust the angle of the guide plate, so that the practicability of the ventilation device is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: an air ventilation device for preventing infectious diseases in public health comprises an installation frame and a ventilation device body, wherein the ventilation device body is positioned in an inner cavity of the installation frame, a plurality of guide plates which are distributed at equal intervals are arranged on the front side of the inner cavity of the ventilation device body, a rotating rod is arranged on one side of each guide plate in a penetrating manner, one end of the rotating rod is rotatably connected with the ventilation device body, round rods are arranged on two sides of the inner cavity of the ventilation device body, a plurality of transmission plates which are distributed at equal intervals are rotatably connected on one side of the surface of each round rod through a rotating shaft, one side of each transmission plate is rotatably connected with each guide plate through a rotating shaft, a first cavity is arranged on the right side in the ventilation device body, a lifting block is arranged at the bottom of the inner cavity of the first cavity, a fixed column is arranged at the bottom of, the top of the lifting block is fixedly connected with a worm, the right side of an inner cavity of the cavity I is provided with a motor, an output shaft of the motor is fixedly connected with a worm wheel, the rear side of the worm wheel is rotatably connected with the ventilation device body through a rotating shaft, the worm wheel is meshed with the worm, the top of the right side of the inner cavity of the ventilation device body is provided with a first groove, the inner cavity of the first groove is slidably connected with an adjusting block, one side of the adjusting block is fixedly connected with the worm, one side of the adjusting block, far away from the worm, is fixedly connected with a right round rod, the center of the inner cavity of the ventilation device body is provided with a fan, the rear side of the inner cavity of the ventilation device body is fixedly connected with a sterilization filter screen, the bottom of the left side inside and the bottom of the right side of the inside of, the utility model discloses a screwed pipe, including threaded pipe, cavity two, inner chamber, recess two, the top fixedly connected with wedge of threaded pipe is one, the rear side of two inner chambers of cavity is provided with wedge two, one side fixedly connected with draw-in groove of wedge two, recess two is seted up to the rear side of two inner chambers of cavity, the inner chamber sliding connection of recess two has the bracing piece, the one end and the two fixed connection of wedge of bracing piece, the fixture block with draw-in groove looks adaptation is all seted up to the bottom on the left top of installing frame inner chamber and inner chamber right side.
Preferably, one side of the second wedge-shaped block is fixedly connected with a spring, and one end, far away from the second wedge-shaped block, of the spring is fixedly connected with the ventilation device body.
Preferably, one end of the threaded rod penetrates through the outer side of the ventilation device body and is fixedly connected with a handle, and anti-skidding lines are arranged on the surface of the handle.
Preferably, a limiting groove is formed in one side of the inner cavity of the second cavity, a limiting block is connected to the inner cavity of the limiting groove in a sliding mode, and one side of the limiting block is fixedly connected with the threaded pipe.
Preferably, the periphery of the fan is fixedly connected with fixing rods, and one ends of the fixing rods are fixedly connected with the ventilation device body.
Preferably, the two sides of the inner cavity of the lifting block are both provided with elongated slots, the inner cavity of each elongated slot is connected with a long block in a sliding manner, and one side of each long block is fixedly connected with the fixed column.
Preferably, the bottom fixedly connected with fixing base of motor, one side and the ventilation unit body fixed connection of fixing base.
Preferably, the model of the fan is Mx2006ASH 5.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention achieves the effect of adjusting the angle of the guide plate by the matched use of the fixed column, the worm, the motor, the worm wheel, the adjusting block, the round rod and the rotating rod, plays the role of fixing the mounting frame and the ventilation device body and the role of facilitating the later-stage disassembly of workers by the matched use of the threaded rod, the threaded pipe, the first wedge block, the second wedge block, the clamping groove, the second groove, the supporting rod and the clamping block, ensures that the public health air ventilation device for preventing infectious diseases has the advantages of easy disassembly and automatic adjustment of the angle of the guide plate, can be disassembled by a user in the actual use process, is convenient for the user to clean and maintain the ventilation device, can also automatically adjust the angle of the guide plate, further increases the practicability of the ventilation device, and solves the problem that the prior ventilation device is inconvenient for the user to disassemble the ventilation device, thereby influence the cleanness or the maintenance in workman's later stage, if ventilation unit's mounted position when higher, the user is inconvenient adjusts the angle of guide plate, has reduced the problem of ventilation unit practicality then.
2. The invention has the advantages that through the arrangement of the spring, when the first wedge block is not contacted with the second wedge block, the effect of providing tension for the second wedge block is realized, the disassembly of the mounting frame and the ventilation device body is convenient, through the arrangement of the handle, the rotation of the threaded rod by a user is convenient, the effect of saving time and labor is realized, through the matched use of the limiting groove and the limiting block, the effect of limiting and guiding the threaded pipe is realized, the stability of the threaded pipe during movement is improved, through the arrangement of the fixed rod, the effect of supporting and fixing the fan is realized, the stability of the fan during work is improved, through the matched use of the long groove and the long block, the effect of limiting and guiding the lifting block is realized, the angle of the guide plate is further limited, through the arrangement of the fixed seat, the effect of connecting the motor and the ventilation device body is realized, the stability of the motor is improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a three-dimensional illustration of the present invention in a partially disassembled state;
FIG. 3 is a partial front sectional view of a body and fan of the ventilation unit of the present invention;
FIG. 4 is a partial top cross-sectional view of the mounting frame and the vent body of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 2;
fig. 6 is a partial enlarged view of B in fig. 3 according to the present invention.
In the figure: 1. installing a frame; 2. a ventilation device body; 3. a baffle; 4. rotating the rod; 5. a round bar; 6. a drive plate; 7. a first cavity; 8. a lifting block; 9. fixing a column; 10. a worm; 11. a motor; 12. a worm gear; 13. a first groove; 14. an adjusting block; 15. a fan; 16. sterilizing and filtering the filter screen; 17. a second cavity; 18. a threaded rod; 19. a threaded pipe; 20. a first wedge block; 21. a second wedge block; 22. a card slot; 23. a second groove; 24. a support bar; 25. a clamping block; 26. a spring; 27. a handle; 28. a limiting groove; 29. a limiting block; 30. fixing the rod; 31. a long groove; 32. a long block; 33. a fixed 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.
As shown in figures 1 to 6: the invention provides an air ventilation device for preventing infectious diseases in public health, which comprises an installation frame 1 and a ventilation device body 2, wherein the ventilation device body 2 is positioned in an inner cavity of the installation frame 1, a plurality of guide plates 3 which are distributed at equal intervals are arranged on the front side of the inner cavity of the ventilation device body 2, a rotating rod 4 is arranged on one side of each guide plate 3 in a penetrating manner, one end of each rotating rod 4 is rotatably connected with the ventilation device body 2, round rods 5 are arranged on two sides of the inner cavity of the ventilation device body 2, a plurality of transmission plates 6 which are distributed at equal intervals are rotatably connected on one side of the surface of each round rod 5 through a rotating shaft, one side of each transmission plate 6 is rotatably connected with the corresponding guide plate 3 through a rotating shaft, a cavity I7 is arranged on the right side in the ventilation device body 2, a lifting block 8 is arranged at the bottom of the inner cavity of the, the inner cavity of the long groove 31 is connected with a long block 32 in a sliding manner, one side of the long block 32 is fixedly connected with a fixed column 9, the long groove 31 and the long block 32 are used in a matched manner, so that the effects of limiting and guiding the lifting block 8 and further limiting the angle of the guide plate 3 are achieved, the bottom of the fixed column 9 is fixedly connected with the ventilation device body 2, the top of the lifting block 8 is fixedly connected with a worm 10, the right side of the inner cavity of the cavity I7 is provided with a motor 11, the bottom of the motor is fixedly connected with a fixed seat 33, one side of the fixed seat 33 is fixedly connected with the ventilation device body 2, the effect of connecting the motor 11 with the ventilation device body 2 is achieved through the arrangement of the fixed seat 33, the stability of the motor 11 is improved, the output shaft of the motor 11 is fixedly connected with a worm wheel 12, the rear side of the worm wheel 12 is rotatably, the top on the right side of the inner cavity of the ventilation device body 2 is provided with a first groove 13, the inner cavity of the first groove 13 is connected with an adjusting block 14 in a sliding manner, one side of the adjusting block 14 is fixedly connected with a worm 10, one side of the adjusting block 14, which is far away from the worm 10, is fixedly connected with a right round rod 5, the center of the inner cavity of the ventilation device body 2 is provided with a fan 15, the periphery of the fan 15 is fixedly connected with a fixed rod 30, one end of the fixed rod 30 is fixedly connected with the ventilation device body 2, the fan 15 is supported and fixed through the arrangement of the fixed rod 30, so that the stability of the fan 15 in work is improved, the model of the fan 15 is Mx2006ASH5, the rear side of the inner cavity of the ventilation device body 2 is fixedly connected with a sterilization filter screen 16, the bottoms on the left side and the right side inside the, one end of the threaded rod 18 penetrates to the outer side of the ventilation device body 2 and is fixedly connected with a handle 27, the surface of the handle 27 is provided with anti-skid threads, the threaded rod 18 is convenient for a user to rotate through the arrangement of the handle 27, so that the effect of saving time and labor is achieved, the surface of the threaded rod 18 is in threaded connection with a threaded pipe 19, one side of an inner cavity of the second cavity body 17 is provided with a limiting groove 28, the inner cavity of the limiting groove 28 is in sliding connection with a limiting block 29, one side of the limiting block 29 is fixedly connected with the threaded pipe 19, the effects of limiting and guiding the threaded pipe 19 are achieved through the matching use of the limiting groove 28 and the limiting block 29, so that the stability of the threaded pipe 19 during movement is improved, the top end of the threaded pipe 19 is fixedly connected with a wedge block I20, the rear side of the inner cavity of the second cavity body 17 is provided with a wedge block II 21, one side of the wedge block II, through spring 26's setting, when wedge one 20 not contact with wedge two 21, played and provided the effect of pulling force to wedge two 21, the convenience is dismantled installing frame 1 and ventilation unit body 2, one side fixedly connected with draw-in groove 22 of wedge two 21, recess two 23 have been seted up to the rear side of two 17 inner chambers of cavity, the inner chamber sliding connection of recess two 23 has bracing piece 24, the one end and two 21 fixed connection of wedge of bracing piece 24, fixture block 25 with draw-in groove 22 looks adaptation is all seted up to the bottom on the left top of 1 inner chamber of installing frame and inner chamber right side.
The working principle is as follows: when the invention is used, a user starts the fan 15, then starts the motor 11, an output shaft of the motor 11 drives the worm wheel 12 to rotate, the worm wheel 12 drives the worm 10 to move up and down, the worm 10 enables the worm 10 to stably move under the matching use of the long groove 31 and the long block 32 through the lifting block 8, then the worm 10 drives the adjusting block 14 to move up and down, the round rod 5 on the right side of the adjusting block 14 moves up and down, so that the guide plate 3 can adjust the angle of the guide plate under the action of the rotating rod 4 and the round rod 5, the aim of automatically adjusting the wind direction can be achieved, then through the arrangement of the sterilizing filter screen 16, the sterilizing filter screen 16 is soaked in alcohol for a long time, the air entering and exiting the room and the outside can be filtered and sterilized, the propagation of bacteria can be effectively avoided, and when the user wants to clean or replace the ventilation device body 2 in, firstly, the handle 27 is rotated by a user, the handle 27 drives the threaded rod 18 to rotate, the threaded rod 18 drives the threaded pipe 19 to rotate, the threaded pipe 19 drives the first wedge block 20 to move towards the front side under the matching use of the limiting groove 28 and the limiting block 29, so that the first wedge block 20 is not contacted with the second wedge block 21, the second wedge block 21 is stressed by the contraction force of the spring 26 to drive the second wedge block 21 to move towards the right side, the second wedge block 21 drives the clamping groove 22 to leave the inner cavity of the clamping block 25, the disassembly of the ventilation device body 2 can be realized, and the aim of maintaining the ventilation device body by the user is finally fulfilled.
In summary, the following steps: the air ventilation device for preventing infectious diseases of public health achieves the effect of adjusting the angle of the flow guide plate 3 by the matched use of the fixed column 9, the worm 10, the motor 11, the worm wheel 12, the adjusting block 14, the round rod 5 and the rotating rod 4, plays the roles of fixing the mounting frame 1 and the ventilation device body 2 and facilitating the later-stage disassembly of workers by the matched use of the threaded rod 18, the threaded pipe 19, the first wedge block 20, the second wedge block 21, the clamping groove 22, the second groove 23, the supporting rod 24 and the clamping block 25, ensures that the air ventilation device for preventing infectious diseases of public health has the advantages of easy disassembly and automatic adjustment of the angle of the flow guide plate, can be disassembled by users in the actual use process, is convenient for the users to clean and maintain the air ventilation device, can also adjust the angle of the flow guide plate automatically, and further increases the practicability of the air ventilation device, the problem of current ventilation unit inconvenient user dismantle it to influence the cleanness or the maintenance in workman later stage is solved, if ventilation unit's mounted position when higher, the inconvenient angle to the guide plate of user adjusts, has reduced the ventilation unit practicality then.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an air ventilation unit is used in infectious disease of public health prevention, includes installing frame (1) and ventilation unit body (2), its characterized in that: the ventilating device comprises a ventilating device body (2), a plurality of guide plates (3) distributed at equal intervals are arranged on the front side of the inner cavity of the ventilating device body (2), a rotating rod (4) penetrates through one side of each guide plate (3), one end of each rotating rod (4) is rotatably connected with the ventilating device body (2), round rods (5) are arranged on two sides of the inner cavity of the ventilating device body (2), a plurality of driving plates (6) distributed at equal intervals are rotatably connected with one side of the surface of each round rod (5) through a rotating shaft, one side of each driving plate (6) is rotatably connected with the corresponding guide plate (3) through a rotating shaft, a cavity I (7) is formed in the right side of the inside of the ventilating device body (2), a lifting block (8) is arranged at the bottom of the inner cavity I (7), and a fixing column (9) is arranged at the bottom of the lifting block (8) in a penetrating manner, the bottom of the fixed column (9) is fixedly connected with the ventilation device body (2), the top of the lifting block (8) is fixedly connected with a worm (10), the right side of the inner cavity of the cavity I (7) is provided with a motor (11), an output shaft of the motor (11) is fixedly connected with a worm wheel (12), the rear side of the worm wheel (12) is rotatably connected with the ventilation device body (2) through a rotating shaft, the worm wheel (12) is meshed with the worm (10), the top of the right side of the inner cavity of the ventilation device body (2) is provided with a groove I (13), the inner cavity of the groove I (13) is slidably connected with an adjusting block (14), one side of the adjusting block (14) is fixedly connected with the worm (10), one side of the adjusting block (14), which is far away from the worm (10), is fixedly connected with the right round rod (5), and the center of the inner cavity of the ventilation device body (2, rear side fixedly connected with sterilization filter screen (16) of ventilation unit body (2) inner chamber, cavity two (17) have all been seted up to the bottom on inside left bottom and inside right side of ventilation unit body (2), the inner chamber of cavity two (17) is provided with threaded rod (18), the surperficial threaded connection of threaded rod (18) has screwed pipe (19), top fixedly connected with wedge (20) of screwed pipe (19), the rear side of cavity two (17) inner chamber is provided with wedge two (21), one side fixedly connected with draw-in groove (22) of wedge two (21), the rear side of cavity two (17) inner chamber is seted up recess two (23), the inner chamber sliding connection of recess two (23) has bracing piece (24), the one end and the wedge two (21) fixed connection of bracing piece (24), the bottom on mounting frame (1) left top of inner chamber and inner chamber right side all sets up with the draw-in groove (22) looks adaptation A clamping block (25).
2. An air ventilation device for public health to prevent infectious diseases according to claim 1, characterized in that: one side of the second wedge-shaped block (21) is fixedly connected with a spring (26), and one end, far away from the second wedge-shaped block (21), of the spring (26) is fixedly connected with the ventilation device body (2).
3. An air ventilation device for public health to prevent infectious diseases according to claim 1, characterized in that: one end of the threaded rod (18) penetrates through the outer side of the ventilation device body (2) and is fixedly connected with a handle (27), and anti-skidding lines are arranged on the surface of the handle (27).
4. An air ventilation device for public health to prevent infectious diseases according to claim 1, characterized in that: a limiting groove (28) is formed in one side of the inner cavity of the second cavity (17), a limiting block (29) is connected to the inner cavity of the limiting groove (28) in a sliding mode, and one side of the limiting block (29) is fixedly connected with the threaded pipe (19).
5. An air ventilation device for public health to prevent infectious diseases according to claim 1, characterized in that: all fixedly connected with dead lever (30) around fan (15), the one end and the ventilation unit body (2) fixed connection of dead lever (30).
6. An air ventilation device for public health to prevent infectious diseases according to claim 1, characterized in that: elongated slots (31) are formed in two sides of an inner cavity of the lifting block (8), a long block (32) is connected to the inner cavity of each elongated slot (31) in a sliding mode, and one side of each long block (32) is fixedly connected with the fixing column (9).
7. An air ventilation device for public health to prevent infectious diseases according to claim 1, characterized in that: the bottom fixedly connected with fixing base (33) of motor (11), one side and ventilation unit body (2) fixed connection of fixing base (33).
8. An air ventilation device for public health to prevent infectious diseases according to claim 1, characterized in that: the type of the fan (15) is Mx2006ASH 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110231310.4A CN113007835A (en) | 2021-03-02 | 2021-03-02 | Air ventilation device for public health infectious disease prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110231310.4A CN113007835A (en) | 2021-03-02 | 2021-03-02 | Air ventilation device for public health infectious disease prevention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113007835A true CN113007835A (en) | 2021-06-22 |
Family
ID=76402586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110231310.4A Withdrawn CN113007835A (en) | 2021-03-02 | 2021-03-02 | Air ventilation device for public health infectious disease prevention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113007835A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586878A (en) * | 2021-08-04 | 2021-11-02 | 周口职业技术学院 | Multimode english teaching interactive installation based on english teaching |
| CN114489168A (en) * | 2022-03-21 | 2022-05-13 | 上海淳禧应用技术股份有限公司 | High-precision humidity calibration device and humidity calibration method |
-
2021
- 2021-03-02 CN CN202110231310.4A patent/CN113007835A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586878A (en) * | 2021-08-04 | 2021-11-02 | 周口职业技术学院 | Multimode english teaching interactive installation based on english teaching |
| CN113586878B (en) * | 2021-08-04 | 2022-12-20 | 周口职业技术学院 | Multimode english teaching interactive installation based on english teaching |
| CN114489168A (en) * | 2022-03-21 | 2022-05-13 | 上海淳禧应用技术股份有限公司 | High-precision humidity calibration device and humidity calibration method |
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20210622 |