CN115077785A - Independent air pressure air duct device applied to bicycle stopwatch and application method thereof - Google Patents
Independent air pressure air duct device applied to bicycle stopwatch and application method thereof Download PDFInfo
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- CN115077785A CN115077785A CN202210678924.1A CN202210678924A CN115077785A CN 115077785 A CN115077785 A CN 115077785A CN 202210678924 A CN202210678924 A CN 202210678924A CN 115077785 A CN115077785 A CN 115077785A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000012528 membrane Substances 0.000 claims abstract description 14
- 239000006260 foam Substances 0.000 claims description 13
- 238000013461 design Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims 1
- 238000012827 research and development Methods 0.000 abstract description 2
- 239000011257 shell material Substances 0.000 description 14
- 229920000742 Cotton Polymers 0.000 description 11
- 230000008859 change Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- XOMKZKJEJBZBJJ-UHFFFAOYSA-N 1,2-dichloro-3-phenylbenzene Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1Cl XOMKZKJEJBZBJJ-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
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- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses an independent air pressure air duct device applied to a bicycle stopwatch and an application method thereof, and relates to the technical field of research and development of bicycle stopwatches. Through adopting independent atmospheric pressure wind channel for baroceptor, ensure accuracy and the real-time of atmospheric pressure data, the convection current hole adopts the dislocation mode, does not adopt through hole, can effectually prevent that waterproof ventilated membrane is punctured to external sharp thing, increases the life-span and the reliability of product.
Description
Technical Field
The invention relates to the technical field of bicycle stopwatch research and development, in particular to an independent air pressure air duct device applied to a bicycle stopwatch and an application method thereof.
Background
Most bicycle stopwatch products on the market, for the stability of guaranteeing that baroceptor gathers atmospheric pressure, either choose the great shell material of hardness for use, or add the shield cover and guarantee that the inside atmospheric pressure of stopwatch can not receive the extrusion and change because of the shell, and atmospheric pressure reaction sensitivity is not high.
In the prior art, the processing mode of the internal air pressure of the stopwatch is as follows:
1. the hardness of the shell material is increased, and the shell is prevented from being adversely affected by extrusion on the data product of the air pressure sensor;
2. and a shielding cover is added on the air pressure sensor, so that the shell is prevented from being adversely affected by extrusion on an air pressure sensor data product.
The stopwatch adopting the two processing modes mainly prevents the change of internal air pressure when the shell is extruded.
However, the first mode has higher requirements on the hardness of the shell material, and increases the difficulty in material selection and design of the product appearance;
meanwhile, in the second mode, the air pressure sensor is sealed in the shielding cover, so that the circulation of air pressure is greatly reduced, and the sensitivity of air pressure reaction is influenced.
In order to solve the problems, an independent air pressure air duct device applied to a bicycle stopwatch and an application method thereof are provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an independent air pressure air duct device applied to a bicycle stopwatch and an application method thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an independent air pressure air channel device applied to a bicycle stopwatch is installed on the bicycle stopwatch and comprises a device front cover and a device rear cover, wherein convection holes are formed in the surface of the device rear cover and are used for forming an air pressure channel and exchanging air, a shell of the independent air pressure air channel device is formed by assembling the device front cover and the device rear cover, and cavity air chambers are arranged inside the assembled device front cover and the assembled device rear cover;
the inside fixed mounting of cavity air chamber has the PCB board, the surperficial electricity of PCB board is connected with baroceptor, baroceptor is used for gathering current real-time atmospheric pressure data.
Further optimize this technical scheme, the convection current hole adopts the dislocation mode to design for prevent that external sharp-pointed object from getting into the inside of independent atmospheric pressure wind channel device.
Further optimize this technical scheme, the surface that device rear cover one end was kept away from to the discharge orifice is provided with waterproof ventilated membrane, the airflow outlet of the atmospheric pressure passageway that waterproof ventilated membrane covers the discharge orifice for reach ventilative waterproof effect again.
Further optimize this technical scheme, the opposite side that waterproof ventilated membrane is located the convection current hole is provided with the obturator EVA bubble cotton, the obturator EVA bubble cotton adopts the annular design, the obturator EVA bubble is cotton to set up with the convection current hole is concentric.
Further optimize this technical scheme, the cotton one side of keeping away from waterproof ventilated membrane of obturator EVA bubble is tightly laminated on the surface of PCB board, the cotton baroceptor of obturator EVA bubble on with PCB board surface wraps up, the cotton baroceptor and cavity air chamber of obturator EVA bubble are used for separating.
An application method of an independent air pressure air duct device applied to a bicycle stopwatch is based on the application of the independent air pressure air duct device applied to the bicycle stopwatch, and comprises the following specific steps:
s1, starting an air pressure sensor on the bicycle speed indicator to work;
s2, enabling atmospheric air flow on the surface of the bicycle stopwatch to enter the independent air pressure air duct device through the convection hole;
s3, enabling atmospheric air to pass through the waterproof breathable film to contact with the air pressure sensor;
and S4, the air pressure sensor obtains current real-time air pressure data.
Further optimizing the technical scheme, in the step S2, atmospheric air flow firstly passes through the staggered convection holes to reach pressure value balance, and then passes through the waterproof breathable film, and the waterproof breathable film can freely pass through the air flow to block water drops.
Further optimize this technical scheme, in step S3, atmospheric air contacts with the baroceptor, and the baroceptor pressure then is balanced with external atmospheric pressure, and when independent atmospheric pressure wind channel device' S shell received extrusion deformation, when cavity air chamber pressure produced the change, it is cotton by the obturator EVA bubble to block, can not disturb the atmospheric pressure data of baroceptor.
Compared with the prior art, the invention provides an independent air pressure air duct device applied to a bicycle stopwatch and an application method thereof, and the device has the following beneficial effects:
1. according to the independent air pressure air channel device applied to the bicycle stopwatch and the application method thereof, the independent air pressure air channel is adopted for the air pressure sensor, so that the accuracy and the real-time performance of air pressure data are ensured, the convection holes adopt a dislocation mode, and the through holes are not adopted, so that the waterproof breathable film can be effectively prevented from being punctured by an external sharp object, and the service life and the reliability of a product are improved.
2. The independent air pressure air duct device applied to the bicycle stopwatch and the application method thereof have the advantages that the influence of a product shell material on the air pressure inside the stopwatch is eliminated, materials with different soft and hard degrees can be selected during product design, the air pressure sensor is not influenced during product extrusion, and the real-time performance of air pressure change is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of a front cover of an independent air pressure duct device applied to a bicycle stopwatch according to the present invention;
FIG. 2 is a schematic structural view of a cavity chamber of an independent air pressure duct device applied to a bicycle stopwatch according to the present invention;
FIG. 3 is a schematic structural view of a rear cover of the independent air pressure duct device applied to a bicycle stopwatch according to the present invention;
FIG. 4 is a schematic view of a housing of an independent air pressure duct device applied to a bicycle computer according to the present invention;
fig. 5 is a partially enlarged structural diagram of the part B of fig. 2.
In the figure: 1. a device front cover; 2. a rear cover of the device; 3. a convection hole; 4. a cavity air chamber; 5. a PCB board; 6. an air pressure sensor; 7. closed-cell EVA foam; 8. waterproof ventilated membrane.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
The first embodiment is as follows:
referring to fig. 1-5, an independent air pressure air duct device applied to a bicycle stopwatch is installed on the bicycle stopwatch, is an innovative invention on bicycle stopwatch products and caters to the pursuits of a large number of riding enthusiasts, and is mainly characterized in that an independent air pressure air duct is adopted for an air pressure sensor 6 inside the stopwatch, and the accuracy and the real-time performance of air pressure data are guaranteed. The device includes lid 2 behind device protecgulum 1 and the device, be provided with convection hole 3 on the surface of device protecgulum 2, convection hole 3 is used for forming the atmospheric pressure passageway and carries out gas exchange, assemble the shell that forms independent atmospheric pressure wind channel device behind device protecgulum 1 and the device between the lid 2, the inside of lid 2 is provided with cavity air chamber 4 behind device protecgulum 1 and the device after the equipment is accomplished. The inside fixed mounting of cavity air chamber 4 has PCB board 5, the surperficial electricity of PCB board 5 is connected with baroceptor 6, baroceptor 6 is used for gathering current real-time atmospheric pressure data. The device is through adopting independent atmospheric pressure wind channel for baroceptor 6, ensures the accuracy and the real-time of atmospheric pressure data, and convection current hole 3 adopts the dislocation mode, does not adopt through hole, can effectually prevent that external sharp thing from pricking waterproof ventilated membrane, increases the life-span and the reliability of product.
Specifically, the convection hole 3 is designed in a staggered mode and used for preventing external sharp objects from entering the inside of the independent air pressure air duct device.
Specifically, the surface of the convection hole 3 far away from one end of the device rear cover 2 is provided with a waterproof breathable film 8, and the waterproof breathable film 8 covers an air flow outlet of an air pressure channel formed by the convection hole 3 and is used for achieving the functions of ventilation and water resistance.
Specifically, the opposite side that waterproof ventilated membrane 8 is located convection hole 3 is provided with the closed cell EVA bubble cotton 7, the closed cell EVA bubble cotton 7 adopts the annular design, closed cell EVA bubble cotton 7 sets up with convection hole 3 is concentric.
Further, the setting mode of waterproof ventilated membrane 8 and convection current hole 3 to and waterproof ventilated membrane 8 obturator EVA bubble cotton 7 all adopts the mode of pasting to install.
Specifically, the closed-cell EVA foam 7 is tightly attached to the surface of the PCB 5 on the side away from the waterproof and breathable film 8, the closed-cell EVA foam 7 wraps the baroceptor 6 on the surface of the PCB 5, and the closed-cell EVA foam 7 is used for separating the baroceptor 6 from the cavity air chamber 4.
Example two:
the application method of the independent air pressure air channel device applied to the bicycle stopwatch is based on the embodiment I, the independent air pressure air channel device applied to the bicycle stopwatch is applied, the influence of a product shell material on the air pressure inside the stopwatch is eliminated, materials with different soft and hard degrees can be selected during product design, an air pressure sensor is not influenced when a product is extruded, and the real-time performance of air pressure change is greatly improved. The application method comprises the following specific steps:
s1, starting the air pressure sensor 6 on the bicycle stopwatch to work;
s2, enabling atmospheric air flow on the surface of the bicycle stopwatch to enter the independent air pressure air channel device through the convection hole 3, enabling the atmospheric air flow to pass through the staggered convection hole 3 to achieve pressure value balance, and then passing through the waterproof breathable film 8, wherein the waterproof breathable film 8 can freely pass through the air flow to block water drops;
s3, enabling atmospheric air to penetrate through the waterproof breathable film 8 to be in contact with the air pressure sensor 6, enabling the atmospheric air to be in contact with the air pressure sensor 6, enabling the pressure borne by the air pressure sensor 6 to be balanced with the external air pressure, and enabling the atmospheric air to be blocked by the closed-cell EVA foam 7 when the pressure of the cavity air chamber 4 changes when the shell of the independent air pressure air duct device is extruded and deformed, so that air pressure data of the air pressure sensor 6 cannot be interfered;
s4, the air pressure sensor 6 obtains the current real-time air pressure data.
According to the application method, the channel for connecting the air pressure sensor 6 with the outside is short, the change of the outside pressure can be sensed quickly, and meanwhile, the closed-cell EVA foam 7 is isolated from the cavity air chamber 4 in the device and cannot be influenced by the change of the inside air pressure.
The invention has the beneficial effects that:
1. according to the independent air pressure air channel device applied to the bicycle stopwatch and the application method thereof, the accuracy and the real-time performance of air pressure data are ensured by adopting the independent air pressure air channel for the air pressure sensor, the convection holes adopt a dislocation mode and do not adopt straight through holes, the waterproof and breathable film can be effectively prevented from being punctured by external sharp objects, and the service life and the reliability of the product are improved.
2. The independent air pressure air duct device applied to the bicycle stopwatch and the application method thereof have the advantages that the influence of a product shell material on the air pressure inside the stopwatch is eliminated, materials with different soft and hard degrees can be selected during product design, the air pressure sensor is not influenced during product extrusion, and the real-time performance of air pressure change is greatly improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
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. An independent air pressure air channel device applied to a bicycle stopwatch is installed on the bicycle stopwatch and is characterized by comprising a front device cover (1) and a rear device cover (2), wherein convection holes (3) are formed in the surface of the rear device cover (2), the convection holes (3) are used for forming an air pressure channel and performing air exchange, a shell of the independent air pressure air channel device is formed by assembling the front device cover (1) and the rear device cover (2), and a cavity air chamber (4) is arranged inside the front device cover (1) and the rear device cover (2) after the assembly is completed;
the inside fixed mounting of cavity air chamber (4) has PCB board (5), the surperficial electricity of PCB board (5) is connected with baroceptor (6), baroceptor (6) are used for gathering current real-time atmospheric pressure data.
2. The independent air pressure air duct device applied to the bicycle stopwatch of claim 1, wherein the convection hole (3) is designed in a staggered manner to prevent external sharp objects from entering the inside of the independent air pressure air duct device.
3. The independent air pressure air channel device applied to the bicycle stopwatch according to claim 1, wherein a waterproof air permeable membrane (8) is arranged on the surface of one end of the convection hole (3) far away from the rear cover (2) of the device, and the waterproof air permeable membrane (8) covers an air outlet of an air pressure channel formed by the convection hole (3) for achieving the functions of air permeability and water resistance.
4. The independent air pressure air duct device applied to the bicycle stopwatch according to claim 3, wherein the waterproof and breathable film (8) is provided with a closed-cell EVA foam (7) on the other side of the convection hole (3), the closed-cell EVA foam (7) adopts an annular design, and the closed-cell EVA foam (7) and the convection hole (3) are concentrically arranged.
5. The independent air pressure air duct device applied to the bicycle stopwatch is characterized in that one side, far away from the waterproof breathable film (8), of the closed-cell EVA foam (7) is tightly attached to the surface of the PCB (5), the closed-cell EVA foam (7) wraps the air pressure sensor (6) on the surface of the PCB (5), and the closed-cell EVA foam (7) is used for separating the air pressure sensor (6) from the cavity air chamber (4).
6. An application method of an independent air pressure air channel device applied to a bicycle stopwatch is based on the independent air pressure air channel device applied to the bicycle stopwatch of any one of claims 1 to 5, and is characterized by comprising the following specific steps:
s1, starting an air pressure sensor (6) on the bicycle stopwatch to work;
s2, enabling the atmospheric air flow on the surface of the bicycle stopwatch to enter the independent air pressure air duct device through the convection hole (3);
s3, enabling atmospheric air flow to penetrate through the waterproof breathable film (8) to be in contact with the air pressure sensor (6);
s4, the air pressure sensor (6) obtains current real-time air pressure data.
7. The method of claim 6, wherein in step S2, the atmospheric air flow passes through the offset convection holes (3) to reach a pressure value balance, and then passes through the waterproof air permeable membrane (8), so that the waterproof air permeable membrane (8) can freely pass through the air flow to block water drops.
8. The method of claim 6, wherein in step S3, the atmospheric air flow contacts with the air pressure sensor (6), the pressure applied to the air pressure sensor (6) is balanced with the outside air pressure, and when the housing of the independent air pressure air duct device is deformed by extrusion, the pressure applied to the cavity air chamber (4) is changed and blocked by the closed-cell EVA foam (7), so as not to interfere with the air pressure data of the air pressure sensor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210678924.1A CN115077785A (en) | 2022-06-16 | 2022-06-16 | Independent air pressure air duct device applied to bicycle stopwatch and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210678924.1A CN115077785A (en) | 2022-06-16 | 2022-06-16 | Independent air pressure air duct device applied to bicycle stopwatch and application method thereof |
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| Publication Number | Publication Date |
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| CN115077785A true CN115077785A (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210678924.1A Pending CN115077785A (en) | 2022-06-16 | 2022-06-16 | Independent air pressure air duct device applied to bicycle stopwatch and application method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4794949A (en) * | 1986-10-14 | 1989-01-03 | Kabushiki Kaisha Neriki | Valve with residual pressure indicator for portable oxygen inhalant cylinder |
| CN105547567A (en) * | 2015-12-09 | 2016-05-04 | 中国电子科技集团公司第四十八研究所 | Gauge age pressure sensor |
| CN206056860U (en) * | 2016-08-22 | 2017-03-29 | 华景传感科技（无锡）有限公司 | A kind of pressure transducer |
| CN106956553A (en) * | 2016-01-08 | 2017-07-18 | 相子元 | Dynamic air pressure sensing system for bicycle |
| CN109506828A (en) * | 2018-12-28 | 2019-03-22 | 武汉飞恩微电子有限公司 | A kind of pressure sensor apparatus detecting vehicle exhaust particle capture |
| CN109855789A (en) * | 2019-01-10 | 2019-06-07 | 北京机械设备研究所 | It is a kind of for monitoring the sensor of underwater small aircraft surface pressing |
| CN210689914U (en) * | 2019-10-08 | 2020-06-05 | 上海路溱微电子技术有限公司 | Corrosion-resistant electronic air pressure sensor |
| CN216162158U (en) * | 2021-07-15 | 2022-04-01 | 中车永济电机有限公司 | Air pressure balance assembly and electrical cabinet |
-
2022
- 2022-06-16 CN CN202210678924.1A patent/CN115077785A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4794949A (en) * | 1986-10-14 | 1989-01-03 | Kabushiki Kaisha Neriki | Valve with residual pressure indicator for portable oxygen inhalant cylinder |
| CN105547567A (en) * | 2015-12-09 | 2016-05-04 | 中国电子科技集团公司第四十八研究所 | Gauge age pressure sensor |
| CN106956553A (en) * | 2016-01-08 | 2017-07-18 | 相子元 | Dynamic air pressure sensing system for bicycle |
| CN206056860U (en) * | 2016-08-22 | 2017-03-29 | 华景传感科技（无锡）有限公司 | A kind of pressure transducer |
| CN109506828A (en) * | 2018-12-28 | 2019-03-22 | 武汉飞恩微电子有限公司 | A kind of pressure sensor apparatus detecting vehicle exhaust particle capture |
| CN109855789A (en) * | 2019-01-10 | 2019-06-07 | 北京机械设备研究所 | It is a kind of for monitoring the sensor of underwater small aircraft surface pressing |
| CN210689914U (en) * | 2019-10-08 | 2020-06-05 | 上海路溱微电子技术有限公司 | Corrosion-resistant electronic air pressure sensor |
| CN216162158U (en) * | 2021-07-15 | 2022-04-01 | 中车永济电机有限公司 | Air pressure balance assembly and electrical cabinet |
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