CN215931933U - Micro bidirectional airflow sensor based on bionic fine hair model - Google Patents
Micro bidirectional airflow sensor based on bionic fine hair model Download PDFInfo
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- CN215931933U CN215931933U CN202121987140.4U CN202121987140U CN215931933U CN 215931933 U CN215931933 U CN 215931933U CN 202121987140 U CN202121987140 U CN 202121987140U CN 215931933 U CN215931933 U CN 215931933U
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Abstract
The utility model belongs to the technical field of airflow sensors, and particularly relates to a micro bidirectional airflow sensor based on a bionic fine hair model. The sensor comprises a sensor part and a receiver part, wherein two sides in a sensor shell are respectively provided with a partition plate, and the inner wall of the sensor shell on the upper part of the partition plate is sequentially connected with a power supply module, a timing module and a transmitting system; the transmitting system is connected with the reed switch through a line, the other end of the reed switch is connected on a partition plate, and an opening is arranged on the partition plate to enable the reed switch to be in contact with the ferromagnetic paster; the pointer is connected in the hole on the sensor shell, the lower end of the pointer is connected to the middle of the extension spring, and the two ends of the extension spring are connected to the inner walls of the two sides of the sensor shell. The utility model has small volume, can measure narrow pipelines, can continuously monitor the airflow direction in the pipelines, does not influence the ventilation volume, can alarm when no airflow exists for a certain time, and monitors the smoothness of the air passage. The method has the characteristics of high efficiency, accuracy and wide application range, and is suitable for popularization and application in various industries.
Description
Technical Field
The utility model belongs to the technical field of airflow sensors, and particularly relates to a micro bidirectional airflow sensor based on a bionic fine hair model.
Background
The transformer breathing system comprises a transformer oil conservator, a respirator and a respirator communicating pipe, wherein the transformer respirator is used for filtering moisture in air flowing into the transformer oil conservator.
There are currently two types of respirators:
the first method comprises the following steps: a common silica gel respirator;
and the second method comprises the following steps: a maintenance-free silica gel respirator.
The maintenance-free silica gel respirator adopts a mode of heating wet silica gel to remove excessive water in silica gel particles and keep the respirator free of maintenance for a long time.
Because the number of transformer accidents caused by blockage of a common silica gel respirator is too many, the safe operation of the transformer is seriously damaged, the smooth breathing system of the transformer is manually checked at present, whether bubbles exist on the oil surface at the lower end of the respirator is watched at regular time every day for judgment, but the problems that manpower is consumed, blockage cannot be found in time, the judgment is difficult through visual observation and the like exist in the mode, and whether the blockage exists cannot be judged if the bubbles do not exist on the oil surface at the lower end of the respirator during observation are solved.
Currently, such airflow sensors are lacking.
For the maintenance-free respirator, the heating and dehumidification of the silica gel are carried out when the transformer is required to be selected to 'spit' outwards, so that the moisture heated from the silica gel is prevented from entering the transformer.
Currently, such airflow sensors are lacking. Therefore, there is a problem that it is difficult to put the maintenance-free respirator product into practical use.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a micro bidirectional airflow sensor based on a bionic fine hair model. The bidirectional airflow sensor is simple in structure, and can achieve the purpose of building a miniature bidirectional airflow sensor which can quickly reflect whether airflow exists in a transformer respiratory system, sensitively sense the direction of the airflow and transmit sensing data to a receiving device in a wireless transmission mode.
The technical scheme adopted by the utility model for realizing the purpose is as follows:
a micro bidirectional airflow sensor based on a bionic fine hair model comprises a sensor part and a receiver part, wherein two sides in a sensor shell are respectively provided with a partition plate, and the inner wall of the sensor shell on the upper part of each partition plate is sequentially connected with a power supply module, a timing module and a transmitting system; the transmitting system is connected with the reed switch through a line, the other end of the reed switch is connected with the partition board, and the partition board is provided with an opening so that the reed switch is in contact with the ferromagnetic paster; a pointer is connected in the opening at the upper part of the sensor shell, the lower end of the pointer is connected to the middle part of an extension spring, and two ends of the extension spring are connected to the inner walls at two sides of the sensor shell;
the receiver comprises a receiver shell, a power indicator lamp is connected to one side of the receiver shell, a receiver power switch key is connected to the lower portion of the receiver shell, and an airflow indicator lamp is connected to the upper portion of the receiver shell; a power module, a receiver timing module, a receiver receiving module, a receiver data storage module and a receiver data processor are arranged in the receiver shell, and all the modules are connected through electric tin welding wires.
Furthermore, the partition plate comprises a first partition plate and a second partition plate, and a first power module, a first timing module and a first signaling system are sequentially connected to the inner wall of the sensor shell on the upper part of the first partition plate; the first communication system is connected with a first reed switch through a line, the other end of the first reed switch is fixedly connected to a first partition plate, an opening is formed in the position, where the first reed switch is fixed, of the first partition plate, so that the first reed switch is in contact with a ferromagnetic patch, and the ferromagnetic patch is wrapped in a surrounding mode and is adhered to the tail end of the pointer;
a second power module, a second timing module and a second transmitting system are sequentially connected to the inner wall of the sensor shell on the upper part of the second partition plate; the second transmitting system is connected with a second reed switch through a line, and the other end of the second reed switch is fixedly connected to a second partition plate; the second clapboard is provided with an opening at the position of connecting the second reed pipe, so that the second reed pipe is contacted with the ferromagnetic paster.
Further, the first and second signaling systems both use a wireless transmission module TX 33;
the sensor shell and the partition plate are made of PVC materials;
the pointer and the extension spring are both made of stainless steel;
the first reed switch and the second reed switch are both MKA14103 reed switches.
Furthermore, when the pointer is in a vertical state, the first reed switch circuit and the second reed switch circuit on the left side and the right side are both in a disconnected state; when the pointer inclines towards the first reed pipe or the second reed pipe on the left side due to the surge of the airflow, the corresponding reed pipe circuit is in a conducting state.
Furthermore, the hole is circular, a rubber ring is embedded in the edge of the hole, the pointer is fixed through the rubber ring, the pointer is allowed to rotate back and forth by utilizing the elastic design of the rubber ring, and the rubber ring is a polypropylene rubber ring;
furthermore, the size of the pointer is 10mm, and the elastic coefficient of the extension spring is less than 7N/m2。
Further, the airflow indicating lamp includes: a first airflow indicating lamp and a second airflow indicating lamp; a first airflow indicating lamp is arranged on the left side of the upper end of the receiver shell, and a second airflow indicating lamp is arranged on the right side of the upper end of the receiver shell; the receiver shell is made of PVC materials.
Further, the timing module includes: the first timing module and the second timing module both adopt SIM900A IC chips.
Further, the receiver signal receiving module adopts an RXB90 wireless signal receiving module.
Furthermore, the receiver power switch key is connected with the receiver power module to control the power supply to be switched on and off, and the receiver power module is connected with the receiver timing module, the receiver receiving module, the receiver data storage module, the receiver data processor, the power indicator lamp and the airflow indicator lamp to supply power;
the receiver timing module is connected with the receiver data storage module and the receiver data processor and provides a timing function; the receiver data processor and the receiver data storage module transmit the processed data to the receiver data storage module for storage and sending, the receiver data storage module is connected with the receiver receiving module to receive the wireless signals sent by the airflow sensor section, and the receiver data storage module is connected with the airflow indicating lamp to send the light-up signals;
when the receiver power switch key is in an on state, the receiver power module is started, the receiver power module is responsible for supplying power to all modules in the receiver, the receiver enters a working mode after being started, and the receiver timing module, the receiver receiving module, the receiver data storage module and the receiver data processor start to work simultaneously.
The utility model has the following beneficial effects and advantages:
the utility model fully considers the size and airflow intensity of a required application scene, such as the size of a transformer respirator and a respirator communicating pipe, the size of airflow in the respirator and the respirator communicating pipe, and designs the micro wireless transmission two-way sensor of the bionic fine hair model. The device has the characteristics of high efficiency, accuracy and wide application range, and is suitable for popularization and application in various industries.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a front view of a portion of a sensor according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic diagram of a receiver portion of the present invention;
FIG. 4 is a circuit diagram of a portion of the sensor of the present invention;
FIG. 5 is a diagram of the logical connections between the various circuit blocks of the present invention;
FIG. 6 is a logic diagram of a receiver portion according to the present invention.
In the figure:
the sensor comprises a sensor shell 1, a stainless steel pointer 2, a rubber ring 3, a first partition plate 4, a first reed pipe 5, a copper contact finger 6 in the first reed pipe, an extension spring 7, a first power supply module 8, a first timing module 9, a first transmitting system 10, a second power supply module 11, a second timing module 12, a second transmitting system 13, a second reed pipe 14, a copper contact finger 15 in the second reed pipe, a ferromagnetic patch 16, a power supply indicator lamp 17, a first airflow indicator lamp 18, a second airflow indicator lamp 19, a receiver shell 20, a receiver power supply module 21, a receiver timing module 22, a receiver receiving module 23, a receiver data storage module 24, a receiver data processor 25, a receiver power switch key 26 and a second partition plate 44.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The solution of some embodiments of the utility model is described below with reference to fig. 1-6.
Example 1
The utility model provides an embodiment, and relates to a micro bidirectional airflow sensor based on a bionic fine hair model, which comprises a sensor part and a receiver part, wherein the sensor part is shown in figures 1 and 2, figure 1 is a front view of the sensor part structure of the utility model, and figure 2 is a top view of figure 1.
The sensor of the utility model is a centrosymmetric structure, comprising: the system comprises a transmitting system, a receiver receiving module 23, a timing module, a receiver data storage module 24, an airflow indicating lamp and a receiver data processor 25 which are connected in sequence through lines.
The sensor shell 1 is divided into a left space and a right space by the pointer 2, and the left space and the right space in the sensor shell 1 are divided into an upper space and a lower space respectively because two clapboards are fixedly connected in the sensor shell 1 transversely and leftwards.
A partition board is respectively arranged on the left side wall and the right side wall in the sensor housing 1, and comprises a first partition board 4 on the left side and a second partition board 44 on the right side.
Wherein, fixed mounting has first power module 8 on the inner wall of sensor housing 1 on left first baffle 4 upper portion, first power module 8 is through the first timing module 9 of thin copper line connection, first timing module 9 is through the first letter system 10 of thin copper line connection, first letter system 10, through the first tongue tube 5 of thin copper line connection one side, the one end fixed connection of first tongue tube 5 is on first baffle 4, first baffle 4 still is equipped with the opening on the position of fixed first tongue tube 5, so that first tongue tube 5 contacts with ferromagnetic paster 16. A ferromagnetic patch 16 is wrapped around the end of the pointer 2 to which it is affixed.
The first reed switch 5 is a fixed device, can be selected from similar products sold in the market, and is directly purchased.
The copper contact finger 6 in the first reed pipe is in a suspended state, and a copper conducting wire is connected with the copper contact finger in a section in a suspended mode.
The circular shape entrance to a cave has been seted up on the upper portion surface of sensor housing 1, and the entrance to a cave edge is inlayed and is had rubber ring 3, fixes pointer 2 through rubber ring 3, utilizes the elastic design of rubber ring 3 to allow pointer 2 to make a round trip to rotate simultaneously, and the lower extreme fixed connection of pointer 2 is in extension spring 7's intermediate point position. When the pointer 2 is in a vertical state, the extension spring 7 is not stressed and a large expansion margin is reserved, the elastic coefficient of the extension spring 7 is required to be small, taking the size of the pointer 2 as 10mm as an example, the elastic coefficient of the extension spring 7 should be smaller than 7N/m2。
And two ends of the extension spring 7 are fixedly connected to the inner walls of the left side and the right side of the sensor shell 1.
The device is of a central symmetry structure, a second partition plate 44 is fixedly installed on the other side wall in the sensor shell 1, namely the right side wall, a second power module 11 is fixedly installed on the inner wall of the sensor shell 1 above the second partition plate 44, the second power module 11 is connected with a second timing module 12 through a thin copper wire, the second timing module 12 is connected with a second transmitting system 13 through a thin copper wire, the second transmitting system 13 is connected with a second reed pipe 14 through a thin copper wire, the other end of the second reed pipe 14 is fixedly connected with the second partition plate 44, and the second partition plate 44 is also provided with an opening at the position for fixing the second reed pipe 14, so that the second reed pipe 14 can be in contact with the ferromagnetic patch 16.
The ferromagnetic patch 16 is wrapped around the end of the pointer 2.
The second reed switch 14 is a fixed device, and can be directly purchased by using similar commercially available products.
The copper contact finger 15 in the second reed pipe is in a suspended state, and a copper conducting wire is connected with the copper contact finger in a section in a suspended mode.
The signaling system of the present invention comprises: the first and second transmission systems 10 and 13 each employ a wireless transmission module TX 33.
The sensor shell 1 and the partition plate 4 are both made of PVC materials.
The rubber ring 3 is a polypropylene ethylene rubber ring.
The pointer 2 and the extension spring 7 are both made of stainless steel.
The first reed pipe 5 and the second reed pipe 14 both adopt MKA14103 reed pipes.
Fig. 4 is a schematic diagram of a sensor part circuit according to the present invention, as shown in fig. 4. When the stainless steel pointer 2 is in a vertical state, the circuits of the first reed switch 5 and the second reed switch 14 on the left side and the right side are in an off state; when the pointer 2 is tilted to the first reed switch 5 or the second reed switch 14 on the left side due to the surge of the air flow, the corresponding side reed switch circuit becomes a conduction state. The method comprises the following specific steps:
when the pointer 2 is surged to the first reed pipe 5 on the left side by the airflow, the circuits of the first reed pipe 5, the first power supply module 8, the first timing module 9 and the first communication system 10 become a conducting state.
When the pointer 2 is rushed to the first reed switch 14 on the right side due to the airflow, the circuits of the second reed switch 14, the second power module 11, the second timing module 12 and the second signaling system 13 become a conducting state.
Fig. 3 shows a receiver part according to the present invention, and fig. 3 is a schematic structural diagram of the receiver part according to the present invention. A power indicator 17 is fixed to the left side of the receiver housing 20, and a receiver power switch 26 is fixedly connected to the lower side of the receiver housing 20.
An airflow indicating lamp is installed at the upper end of the receiver housing 20. The air flow indicator lamp comprises: a first air flow indicator light 18 and a second air flow indicator light 19. A first airflow indicating lamp 18 is installed on the left side of the upper end of the receiver housing 20, and a second airflow indicating lamp 19 is installed on the right side of the upper end of the receiver housing 20.
The receiver housing 20 is a PVC housing.
A power module 21, a receiver timing module 22, a receiver receiving module 23, a receiver data storage module 24 and a receiver data processor 25 are arranged in the receiver housing 20, and the modules are connected by electric soldering wires.
The receiver power switch key 26 is connected with the receiver power module 21 to control the power on/off, and the receiver power module 21 is connected with the receiver timing module 22, the receiver receiving module 23, the receiver data storage module 24, the receiver data processor 25, the power indicator lamp 17 and the airflow indicator lamp for supplying power.
The receiver timing module 22 is connected with the receiver data storage module 24 and the receiver data processor 25, and provides a timing function; the receiver data processor 25 and the receiver data storage module 24 transmit the processed data to the receiver data storage module 24 for storage and transmission, the receiver data storage module 24 is connected with the receiver receiving module 23 to receive the wireless signal transmitted by the airflow sensor segment, and the receiver data storage module 24 is connected with the airflow indicating lamp to transmit the light-up signal.
The timing module includes: the first timing module 9 and the second timing module 12 both use SIM900A IC chips.
When a receiver power switch key 26 is turned on, a receiver power module 21 is started, the receiver power module 21 is responsible for supplying power to each module in the receiver, and enters a working mode after the receiver power module is turned on, and a receiver timing module 22, a receiver receiving module 23, a receiver data storage module 24 and a receiver data processor 25 simultaneously start to work
Referring to fig. 5, fig. 5 is a diagram illustrating the logic connection between the circuit blocks according to the present invention. The receiver receiving module 23 receives the indication signal from the first transmitting system 10 or the second transmitting system 13.
The receiver receiving module 23 adopts an RXB90 wireless signal receiving module.
Example 2
The utility model provides an embodiment, which is a micro bidirectional airflow sensor based on a bionic fine hair model, as shown in fig. 6, fig. 6 is a logic judgment diagram of a part of a receiver of the utility model, and a signal data processing logic of the utility model is shown in the figure.
The process of working by using the micro bidirectional airflow sensor based on the bionic fine hair model in embodiment 1 specifically comprises the following steps:
and 8, after the receiver data processor 25 transmits the calculation result to the receiver data storage module 24, the calculation result is sent to the first air flow indicator lamp 18 and the second air flow indicator lamp 19 by the receiver data storage module 24.
In the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection, a removable connection, or an integral connection. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the indicated devices or units must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.
Claims (10)
1. A micro bidirectional airflow sensor based on a bionic fine hair model is characterized in that: the sensor comprises a sensor part and a receiver part, wherein two sides in a sensor shell (1) are respectively provided with a partition plate, and the inner wall of the sensor shell (1) at the upper part of the partition plate is sequentially connected with a power module, a timing module and a transmitting system; the transmitting system is connected with the reed switch through a line, the other end of the reed switch is connected with the partition board, and the partition board is provided with an opening so that the reed switch is in contact with the ferromagnetic paster; a pointer (2) is connected in an opening in the upper part of the sensor shell (1), the lower end of the pointer (2) is connected to the middle part of an extension spring (7), and two ends of the extension spring (7) are connected to the inner walls of two sides of the sensor shell (1); the receiver comprises a receiver shell (20), a power indicator (17) is connected to one side of the receiver shell (20), a receiver power switch key (26) is connected to the lower part of the receiver shell (20), and an airflow indicator is connected to the upper part of the receiver shell (20); a power supply module (21), a receiver timing module (22), a receiver receiving module (23), a receiver data storage module (24) and a receiver data processor (25) are arranged in a receiver shell (20), and all the modules are connected by adopting electric tin welding wires.
2. The micro bidirectional airflow sensor based on the bionic fine hair model as claimed in claim 1, wherein: the partition plate comprises a first partition plate (4) and a second partition plate (44), and a first power module (8), a first timing module (9) and a first messaging system (10) are sequentially connected to the inner wall of the sensor shell (1) at the upper part of the first partition plate (4); the first messaging system (10) is connected with a first reed pipe (5) through a line, the other end of the first reed pipe (5) is fixedly connected onto a first partition plate (4), an opening is formed in the position, where the first reed pipe (5) is fixed, of the first partition plate (4), so that the first reed pipe (5) is in contact with a ferromagnetic patch (16), and the ferromagnetic patch (16) is wrapped around and adhered to the tail end of the pointer (2);
a second power module (11), a second timing module (12) and a second transmitting system (13) are sequentially connected to the inner wall of the sensor shell (1) at the upper part of the second partition plate (44); the second transmitting system (13) is connected with a second reed switch (14) through a line, and the other end of the second reed switch (14) is fixedly connected to a second partition plate (44); the second partition plate (44) is provided with an opening at the position connected with the second reed pipe (14) so that the second reed pipe (14) is in contact with the ferromagnetic patch (16).
3. The micro bidirectional airflow sensor based on the bionic fine hair model as claimed in claim 2, wherein: the first and second signaling systems (10, 13) both employ a wireless transmission module TX 33;
the sensor shell (1) and the partition plate (4) are both made of PVC materials;
the pointer (2) and the extension spring (7) are both made of stainless steel materials;
the first reed pipe (5) and the second reed pipe (14) are MKA14103 reed pipes.
4. The micro bidirectional airflow sensor based on the bionic fine hair model as claimed in claim 1, wherein: when the pointer (2) is in a vertical state, circuits of a first reed switch (5) and a second reed switch (14) on the left side and the right side are in an off state; when the pointer (2) inclines towards the first reed pipe (5) or the second reed pipe (14) on the left side due to the surge of the airflow, the corresponding reed pipe circuit is in a conducting state.
5. The micro bidirectional airflow sensor based on the bionic fine hair model as claimed in claim 1, wherein: the entrance to a cave is circular, and the entrance to a cave edge is inlayed and is had rubber ring (3), fixes pointer (2) through rubber ring (3), utilizes the elastic design of rubber ring (3) to allow pointer (2) to make a round trip to rotate simultaneously, and the rubber ring is the polypropylene ethylene rubber ring.
6. The micro bidirectional airflow sensor based on the bionic fine hair model as claimed in claim 1, wherein: the size of the pointer (2) is 10mm, and the elastic coefficient of the extension spring (7) is less than 7N/m2。
7. The micro bidirectional airflow sensor based on the bionic fine hair model as claimed in claim 1, wherein: the airflow indicating lamp includes: a first air flow indicator light (18) and a second air flow indicator light (19); a first airflow indicating lamp (18) is arranged on the left side of the upper end of the receiver shell (20), and a second airflow indicating lamp (19) is arranged on the right side of the upper end of the receiver shell (20); the receiver shell (20) is made of PVC materials.
8. The micro bidirectional airflow sensor based on the bionic fine hair model as claimed in claim 1, wherein: the timing module includes: the first timing module (9) and the second timing module (12) both adopt SIM900A IC chips.
9. The micro bidirectional airflow sensor based on the bionic fine hair model as claimed in claim 1, wherein: the receiver receiving module (23) adopts an RXB90 wireless signal receiving module.
10. The micro bidirectional airflow sensor based on the bionic fine hair model as claimed in claim 1, wherein: the receiver power switch key (26) is connected with the receiver power module (21) to control the power on-off, and the receiver power module (21) is connected with the receiver timing module (22), the receiver receiving module (23), the receiver data storage module (24), the receiver data processor (25), the power indicator lamp (17) and the airflow indicator lamp to supply power;
the receiver timing module (22) is connected with the receiver data storage module (24) and the receiver data processor (25) and provides a timing function; the receiver data processor (25) and the receiver data storage module (24) transmit the processed data to the receiver data storage module (24) for storage and transmission, the receiver data storage module (24) is connected with the receiver receiving module (23) to receive the wireless signal transmitted by the airflow sensor section, and the receiver data storage module (24) is connected with the airflow indicating lamp to transmit a light-up signal;
when the receiver power switch key (26) is in an open state, the receiver power module (21) is started, the receiver power module (21) is responsible for supplying power to all modules in the receiver, the receiver enters a working mode after being started, and the receiver timing module (22), the receiver receiving module (23), the receiver data storage module (24) and the receiver data processor (25) start to work simultaneously.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777346A (en) * | 2021-08-23 | 2021-12-10 | 国网辽宁省电力有限公司电力科学研究院 | Wireless transmission bidirectional airflow sensor and method based on bionic fine hair model |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777346A (en) * | 2021-08-23 | 2021-12-10 | 国网辽宁省电力有限公司电力科学研究院 | Wireless transmission bidirectional airflow sensor and method based on bionic fine hair model |
| CN113777346B (en) * | 2021-08-23 | 2024-06-11 | 国网辽宁省电力有限公司电力科学研究院 | Wireless transmission bidirectional airflow sensor and method based on bionic sweat model |
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