CN109029831B - Method and device for measuring atmospheric pressure and terminal equipment - Google Patents
Method and device for measuring atmospheric pressure and terminal equipment Download PDFInfo
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- CN109029831B CN109029831B CN201810532077.1A CN201810532077A CN109029831B CN 109029831 B CN109029831 B CN 109029831B CN 201810532077 A CN201810532077 A CN 201810532077A CN 109029831 B CN109029831 B CN 109029831B
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- 238000000034 method Methods 0.000 title claims abstract description 58
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 187
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 177
- 239000010408 film Substances 0.000 claims description 158
- 239000000758 substrate Substances 0.000 claims description 50
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 31
- 239000000377 silicon dioxide Substances 0.000 claims description 15
- 235000012239 silicon dioxide Nutrition 0.000 claims description 14
- 239000010409 thin film Substances 0.000 claims description 13
- 239000003086 colorant Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 description 33
- 238000010586 diagram Methods 0.000 description 13
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- 230000008569 process Effects 0.000 description 11
- 238000004590 computer program Methods 0.000 description 9
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- 230000035945 sensitivity Effects 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009194 climbing Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- -1 graphite alkene Chemical class 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 239000012535 impurity Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
- G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The application discloses a method and a device for measuring atmospheric pressure and terminal equipment, which are used for improving the efficiency of measuring the atmospheric pressure. The method for measuring atmospheric pressure includes: the method comprises the steps of collecting color data of a display screen of the terminal equipment, wherein the display screen comprises a graphene film, and the color data are used for indicating the color presented by the graphene film; and obtaining the current atmospheric pressure according to the color data and the corresponding relation between the color data and the atmospheric pressure.
Description
Technical Field
The present application relates to the field of measurement technologies, and in particular, to a method, an apparatus, and a terminal device for measuring atmospheric pressure.
Background
In some cases, a user needs to detect the atmospheric pressure of the surrounding environment, for example, during the mountain climbing process, the user may need to detect the atmospheric pressure condition in real time, so as to make a safety measure in advance.
Currently, atmospheric pressure is generally measured by a barometer. When the barometer is used for measurement, a user generally manually calibrates the barometer, and after calibration, the barometric pressure is measured by the barometer, so that the user can determine the barometric pressure according to the reading displayed by the barometer. Because it is the user manual calibration, if the result of the user manual calibration is not accurate enough, the user is required to recalibrate and measure. Alternatively, if the current barometric pressure exceeds the measurement range of the barometer, the user is required to replace the barometer with a larger measurement range, restart the calibration, and measure the barometric pressure. Obviously, the current mode for measuring the atmospheric pressure is relatively complex to operate and relatively low in measurement efficiency.
Disclosure of Invention
The embodiment of the application provides a method, a device and terminal equipment for measuring atmospheric pressure, which are used for improving the efficiency of measuring the atmospheric pressure.
In a first aspect, there is provided a method of measuring atmospheric pressure, the method comprising:
the method comprises the steps of collecting color data of a display screen of the terminal equipment, wherein the display screen comprises a graphene film, and the color data are used for indicating the color presented by the graphene film;
and obtaining the current atmospheric pressure according to the color data and the corresponding relation between the color data and the atmospheric pressure.
The embodiment of the application utilizes the graphene film, and the graphene film can present different colors under different atmospheric pressures, so that the current atmospheric pressure can be determined according to the acquired color data and the corresponding relation between the color data and the atmospheric pressure. The mode that this application embodiment provided need not user manual operation, and equipment can directly obtain current atmospheric pressure, has improved measurement of efficiency, and, because need not user's manual calibration, has also simplified user's operation, has improved the accuracy of measuring atmospheric pressure. In addition, the method provided by the embodiment of the application can complete the measurement of the atmospheric pressure without applying professional barometers and other devices, and is easier to popularize and use.
Optionally, before acquiring color data of a display screen of the terminal device, the method further includes:
respectively collecting color data of the display screen under various atmospheric pressures;
and obtaining the corresponding relation according to the multiple atmospheric pressures and the color data under the multiple atmospheric pressures.
Through the color data under the various atmospheric pressure of collection, obtain the corresponding relation between atmospheric pressure and the color data to make things convenient for the later stage to use this corresponding relation.
Optionally, the display screen further comprises a substrate, wherein a groove is formed in the substrate, the graphene film is sealed on the upper surface of the groove, and a cavity is formed between the groove and the graphene film.
In the embodiment of the application, add the base to be provided with the recess on the base, the recess can support graphene film on the one hand, and on the other hand the recess can also provide the space for the change of bubble shape graphene film's shape, makes can demonstrate more obvious colour of graphite alkene, thereby makes the sensitivity of gathering the color data higher.
Optionally, the substrate is made of silicon dioxide.
By adopting the silicon dioxide material, the silicon dioxide is provided with the groove, and the groove etching operation is not required to be carried out on the substrate, so that the production process of the substrate with the groove is simplified, and the cost of the substrate is reduced.
Optionally, the graphene film is of a double-layer graphene structure.
Compared with a single-layer graphene structure, the double-layer graphene structure can increase the light reflection capability, so that the color of the graphene film is more obvious.
In a second aspect, there is provided an apparatus for measuring atmospheric pressure, comprising:
the terminal device comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring color data of a display screen of the terminal device, the display screen comprises a graphene film, and the color data is used for indicating the color presented by the graphene film;
and the acquisition module is used for acquiring the current atmospheric pressure according to the color data and the corresponding relation between the color data and the atmospheric pressure.
Optionally, the acquisition module is further configured to, before acquiring color data of a display screen of the terminal device, respectively acquire the color data of the display screen under multiple atmospheric pressures;
the acquisition module is further configured to acquire the corresponding relationship according to the multiple atmospheric pressures and the color data under the multiple atmospheric pressures.
Optionally, the display screen further comprises a substrate, wherein a groove is formed in the substrate, the graphene film is sealed on the upper surface of the groove, and a cavity is formed between the groove and the graphene film.
Optionally, the substrate is made of silicon dioxide.
Optionally, the graphene film is of a double-layer graphene structure.
In a third aspect, a terminal device is provided, including:
the display screen comprises a graphene film;
the color sensor is used for acquiring color data of the graphene film, wherein the color data is used for indicating the color presented by the graphene film;
and the processor is used for obtaining the current atmospheric pressure according to the color data and the corresponding relation between the color data and the atmospheric pressure.
Optionally, the color sensor is further configured to, before collecting color data of a display screen of the terminal device, respectively collect the color data of the display screen under multiple atmospheric pressures;
the processor is further configured to obtain the corresponding relationship according to the multiple atmospheric pressures and the color data under the multiple atmospheric pressures.
Optionally, the display screen further comprises a substrate, wherein a groove is formed in the substrate, the graphene film is sealed on the upper surface of the groove, and a cavity is formed between the groove and the graphene film.
Optionally, the substrate is made of silicon dioxide.
Optionally, the graphene film is of a double-layer graphene structure.
In a fourth aspect, there is provided a computer readable storage medium storing computer instructions which, when run on a computer, cause the computer to perform the method of the first aspect and optionally any one of the above.
In a fifth aspect, there is provided a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of the first aspect and optionally any one of the above.
Compared with the mode of measuring atmospheric pressure by using a barometer, the scheme provided by the embodiment of the application has the advantages that the measurement efficiency is higher, the user does not need to carry out manual calibration, the user is simpler to use, and the user experience is favorably improved.
Drawings
Fig. 1 is a flowchart of a method for measuring atmospheric pressure according to an embodiment of the present disclosure;
FIG. 2 is a diagram illustrating an exemplary partial structure of a display screen according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a process of propagating incident light in a local structure of a display screen according to an embodiment of the present disclosure;
fig. 4 is a block diagram of an apparatus for measuring atmospheric pressure according to an embodiment of the present disclosure;
fig. 5 is a structural diagram of a terminal device according to an embodiment of the present application;
fig. 6 is a structural diagram of a terminal device according to an embodiment of the present application.
Detailed Description
For a better understanding of the technical solutions provided by the embodiments of the present application, the following detailed description will be made with reference to the drawings and specific embodiments.
The basic principle of the method for measuring atmospheric pressure in the embodiment of the present application will be explained.
The main reason why different objects have different colors is that different objects reflect visible light with different wavelength bands in composite light, and the reflected visible light with different wavelength bands is transmitted to human eyes or a photosensitive device, so that different objects have different colors, wherein the composite light means that the composite light includes visible light with different wavelength bands, such as sunlight.
As for graphene films, the graphene films with different shapes reflect visible light with different wave bands, so that the graphene films with different shapes show different colors. Generally, the graphene film is in a bubble shape, and when the atmospheric pressure changes, the bubble shape of the graphene film changes correspondingly. For example, when the atmospheric pressure increases, the graphene thin films in the form of bubbles are pressed, and the shapes of the graphene thin films are recessed relatively, and when the atmospheric pressure decreases, the graphene thin films in the form of bubbles are raised relatively. In a word, with the change of atmospheric pressure, the shape of the graphene film can be correspondingly changed, the reflection conditions of the graphene films with different shapes on the composite light are different, different reflected lights are formed after the graphene films with different shapes reflect the composite light to different degrees, and the different reflected lights are transmitted to human eyes or a photosensitive device, so that the graphene films with different shapes show different colors. In summary, the graphene thin film may exhibit different colors under different atmospheric pressures, and thus the embodiments of the present application may utilize this principle of the graphene thin film to measure the atmospheric pressure.
Based on the above description of the basic principle of the embodiment of the present application for measuring the atmospheric pressure, the following describes in detail the process of the embodiment of the present application for measuring the atmospheric pressure with reference to fig. 1. The method may be performed by an apparatus for measuring atmospheric pressure, the apparatus for measuring atmospheric pressure may be implemented by a terminal device, for example, a mobile phone, a tablet computer (PAD), or a Personal Computer (PC), or the apparatus for measuring atmospheric pressure may also be implemented by an apparatus having a color detection function and a data processing function, and the present disclosure is not limited in particular.
S101, collecting color data of a display screen of terminal equipment, wherein the display screen comprises a graphene film, and the color data is used for indicating the color presented by the graphene film;
and S102, obtaining the current atmospheric pressure according to the color data and the corresponding relation between the color data and the atmospheric pressure.
For example, during the mountain climbing process of the user, the atmospheric pressure in the environment where the user is located may change continuously with the change of the altitude. If the atmospheric pressure in the environment where the user is located is too low, the user needs to supplement oxygen to ensure the life safety of the user, so that the user needs to measure the atmospheric pressure in the environment during the mountain climbing process. When the user is ready to measure the atmospheric pressure, a measurement instruction may be input to the apparatus for measuring the atmospheric pressure, and the apparatus may perform measurement upon receiving the measurement instruction input by the user.
The method for inputting the measurement instruction by the user may be various, for example, the measurement instruction may be input by a gesture operation, a voice operation, a key input operation, or the like, and in addition, the operation for inputting the measurement instruction and the other operations performed on the device for measuring the atmospheric pressure may be the same operation, so that the operation process of the user may be reduced, and of course, the operation for inputting the measurement instruction and the other operations performed on the device for measuring the atmospheric pressure may also be different operations. For example, if the user starts the device for measuring atmospheric pressure, the same operation as the operation for inputting the measurement command may be performed, and the user starts the device and then inputs the measurement command, or if the device for measuring atmospheric pressure is a terminal device, the user performs an unlocking operation or a power-on operation on the terminal device, and the same operation as the operation for inputting the measurement command may be performed, and then the user unlocks or powers on the terminal device and then inputs the measurement command.
After the device for measuring the atmospheric pressure receives the measurement instruction input by the user, the device for measuring the atmospheric pressure starts to measure the atmospheric pressure. Alternatively, the device for measuring atmospheric pressure may perform the measurement process by itself without the user inputting a measurement instruction, for example, the device for measuring atmospheric pressure may perform the measurement process periodically.
During measurement, the device for measuring atmospheric pressure collects color data of a display screen of the terminal equipment. The structure of the display screen will be explained first.
Specifically, the display screen may include a graphene film. The graphene film refers to a nanoscale and flexible film-shaped structure prepared from graphene, and there are many methods for preparing graphene films in the prior art, and the method for preparing the graphene film is not limited herein. The display screen comprises a graphene film, which means that the graphene film belongs to the display screen, for example, the display screen may further comprise a substrate, and then the graphene film may be covered on the substrate.
The graphene film may be a single-layer graphene, a double-layer graphene, or a multi-layer graphene. Specifically, compared with graphene with a single-layer structure, graphene with a double-layer structure or a multi-layer structure has stronger reflection capability, where the stronger reflection capability does not mean that more types of visible light can be reflected, but means that the intensity of visible light of a specific waveband that can be reflected by the graphene film is larger. After incident light passes through the graphene film of bilayer structure or more layer structures, more light can be reflected by the graphene film, that is more reverberation that people's eye or photosensitive device can gather to make the colour that the graphene film appears more obvious, thereby measure the device measurement of atmospheric pressure and gather the colour that the graphene film appears more easily.
To more clearly illustrate the structure of the display panel including the graphene thin film, referring to fig. 2, the display panel includes a graphene thin film 210 and a substrate 220. Further, a groove 221 is formed in the substrate 220, the graphene film 210 is sealed on the upper surface of the groove 221, and a cavity is formed between the groove 221 and the graphene film 210.
In the embodiment of the present application, the groove 221 may not only support the graphene film 210, but also provide a space for changing the shape of the graphene film 210. The cavity is formed between the groove 221 and the graphene film 210, the shape of the cavity also changes with the change of the shape of the graphene film 210, and the cavity can reduce the absorption of light relative to solid substances, so as to improve the reflection capability of the graphene film 210, so as to make the color of the graphene film 210 more obvious, wherein the cavity can be regarded as a gaseous substance inside, the gaseous substance is generally air, the absorption capability of the gaseous substance to light is generally smaller relative to the absorption capability of the solid substance to light, and the reflection capability of the gaseous substance to light is generally stronger relative to the reflection capability of the solid substance to light, so that the reflection capability of the graphene film 210 can be relatively improved by the cavity, so as to make the color of the graphene film 210 more obvious.
Specifically, the graphene film 210 is sealed on the upper surface of the groove 221, one or more grooves 221 may be formed, a cavity is formed between the graphene film 210 and each groove 221 of the substrate 220, and N cavities are formed between the graphene film 210 and N grooves 221, where N is a positive integer, and fig. 2 illustrates that 2 grooves 221 are formed on the substrate 220, but the number of the grooves 221 on the substrate 220 is not limited in the embodiments of the present disclosure. Here, the graphene film 210 covered on the substrate 220 is generally a unitary film structure, but since a cavity is formed between the graphene film 210 and each groove 221, for convenience of description or understanding, the corresponding graphene film 210 on a cavity is herein understood as a graphene film 210, and in fact, the graphene film 210 covered on a cavity is only a part of the unitary graphene film 210.
In order to enable the device for measuring atmospheric pressure to more conveniently collect color data of the graphene film, the sizes of the N grooves 221 may be set to be the same, wherein the sizes of the grooves 221, including the shapes and the sizes of the grooves 221, for example, the sizes of two grooves 221 are the same, which means that the shapes and the sizes of the two grooves 221 are the same. When the sizes of the N grooves 221 are the same, the shapes of the N cavities formed between the N grooves 221 and the graphene film 210 are also the same, that is, the shapes of the corresponding graphene films 210 on any two grooves 221 under the same atmospheric pressure are also the same, which means that the color data of the graphene films 210 covered on the N grooves 221 are the same. Then, when the atmospheric pressure device measures each time, the color data of the graphene film 210 covered on any one of the grooves 221 can be collected, and the color data can be used as the color data of the graphene film 210, so that when the atmospheric pressure device collects the color data each time, the collection position does not need to be accurately positioned, and the collection process is simpler.
Since the N grooves 221 formed in the substrate may have the same size and may be difficult to produce, in order to reduce the difficulty of production, at least one groove 221 of the N grooves 221 may have a size different from the size of the other grooves 221. Since the sizes of the N grooves 221 are not completely the same, the shapes of the N cavities formed between the N grooves 221 and the graphene film 210 are also not completely the same, and the shapes of the graphene films 210 covered on the N cavities are also not completely the same, which means that the color data of the graphene films 210 covered on every two grooves under the same atmospheric pressure may be different. Therefore, when the sizes of the N grooves 221 are not completely the same, in order to obtain more accurate color data, the device for measuring atmospheric pressure needs to acquire the color data of the graphene film 221 covered on the same cavity every time of measurement.
The substrate 220 is made of silicon dioxide, for example, because the silicon dioxide itself has many grooves 221, the substrate 220 is made of the silicon dioxide directly, and the substrate 220 has the grooves 221. That is, if the substrate 220 is made of silicon dioxide, the substrate 220 does not need to be etched to form the groove 221, thereby simplifying the manufacturing process of the substrate 220 with the groove 221. And the silica has a strong reflection capability, so that the loss of incident light is relatively reduced, that is, the incident light is not lost due to absorption by the substrate 220, so that the intensity of the reflected light of the graphene film 210 is relatively enhanced, and the color of the graphene film 210 is more obvious. Of course, the material of the substrate 220 is not limited thereto, and for example, the material of the substrate 220 may be glass or other substances.
On the basis of the structure of the display screen, a method for acquiring color data of the display screen is described in detail below. Color data may be understood as data for characterizing the color exhibited by the graphene film. There are many types of data that characterize color, and thus, there can be many types of color data. For example, the color data may be red, green and blue (RGB) tristimulus values, where a red color value ranges from 0 to 255, a green color value ranges from 0 to 255, a blue color value ranges from 0 to 255, and different colors are represented by different values of any one or more of the tristimulus values. For example, if the color data is RGB values, R is 255, G is 0, and B is 0, and for convenience of recording, the color data can be written as (255,0,0), and then the color data (255,0,0) indicates that the color presented by the graphene film is pure red. Alternatively, the color data may be cyan, magenta, yellow and black four color values (CMYK), and in short, the color data only needs to be able to represent the color of the graphene film, and the form of the color data is not limited herein. Specifically, the device for acquiring atmospheric pressure acquires color data of a display screen of the terminal device, including but not limited to the following modes:
the method comprises the steps of collecting color data of reflected light on the upper surface of the graphene film, and obtaining the color data according to the color data of the reflected light.
As described above, the graphene films 210 of different shapes reflect light to different degrees, and thus, the apparatus for measuring atmospheric pressure can collect reflected light from the upper surface of the graphene film 210, wherein the thickness of the graphene film 210 is small, and thus the graphene film 210 is considered to include the upper surface and the lower surface. The groove 221 or the substrate 220 is used as a reference, a lower surface is close to the groove 221 or the substrate 220, and an upper surface is far from the groove 221 or the substrate 220. Taking the display screen shown in fig. 2 as an example, a surface relatively far from the substrate 220 is an upper surface of the graphene film, and a surface relatively close to the substrate 220 is a lower surface of the graphene film 210. The device for measuring atmospheric pressure collects color data of reflected light on the upper surface of the graphene film 210, wherein the color data obtained according to the color data of the reflected light means that the color data represented by the reflected light is the color data of the graphene film 210, that is, the color data of the reflected light on the upper surface of the graphene film 210 is obtained, that is, the color data of the graphene film 210 is obtained.
In the second mode, color data of light penetrating through the graphene film 210 is collected, and color data of the display screen is obtained according to the color data of the light penetrating through the graphene film 210.
The different shapes of the graphene films 210 reflect light differently, which means that the different shapes of the graphene films 210 can transmit different light, wherein the light transmitted through the graphene films 210 means that the light enters the lower surface of the graphene films 210 through the upper surface of the graphene films 210, and the light transmitted through the lower surface of the graphene films 210 is understood as the light transmitted through the graphene films 210, and for convenience, the light transmitted through the graphene films 210 is simply referred to as transmitted light hereinafter. The contents of the upper surface and the lower surface of the graphene film may refer to the contents described above, and are not described herein again. The device for measuring atmospheric pressure can collect color data of transmitted light, which is the color data of the graphene film 210.
Specifically, in order to clearly illustrate a specific process of acquiring color data of the graphene film 210 in the display screen shown in fig. 2 by using the above two methods, the following description is provided with reference to fig. 3. For example, the incident light a is sunlight, that is, the incident light a includes various visible light of different wavelength bands. Specifically, the incident light a is incident on the upper surface of the graphene film 210, and the upper surface of the graphene film 210 reflects a part of the visible light in the wavelength band range in the incident light a, where the reflected part of the visible light is reflected light c shown in fig. 3. In addition, the graphene film 210 also absorbs a part of the visible light in the wavelength band range of the incident light a, wherein absorption is understood as that the part of the visible light is lost after passing through the graphene film 210. Furthermore, the graphene film 210 also transmits a part of the visible light in the wavelength band, and the part of the light transmitted through the graphene film is the transmitted light b shown in fig. 3.
Therefore, referring to the above two methods for acquiring color data of a display screen, in the embodiment of the present application, the device for measuring atmospheric pressure may acquire the reflected light c to obtain the color data of the graphene film 210, or may also acquire the transmitted light b to obtain the color data of the graphene film 210. As can be seen from the foregoing, when the atmospheric pressure changes, the shape of the graphene film 210 also changes with the change of the atmospheric pressure. Then, after the incident light a in fig. 3 passes through the graphene films 210 with different shapes, the visible light contained in the obtained reflected light is different, and obviously, the visible light contained in the obtained transmitted light is also different, and then the device for measuring atmospheric pressure collects different reflected light under different atmospheric pressures or collects color data of different transmitted light under different atmospheric pressures, so that color data corresponding to different atmospheric pressures can be obtained.
Because the intensity of the light penetrating through the graphene film 210 is smaller than that of the reflected light of the graphene film 210, the intensity of the reflected light acquired by the method of the first mode is larger, so that the color data of the graphene film 210 can be acquired more easily by the device for measuring the atmospheric pressure, that is, when the device for measuring the atmospheric pressure acquires the color data by the first mode, the sensitivity of the device for measuring the atmospheric pressure is relatively higher. However, in the method of the first embodiment, because the upper surface of the graphene film 210 is exposed, compared with the lower surface of the graphene film 210, the upper surface of the graphene film 210 is more easily affected by the external environment, for example, impurities are easily generated on the upper surface of the graphene film 210, so that the accuracy of the acquired color data is affected, and therefore, the accuracy of the acquisition of the second embodiment may be relatively higher. Then, which way to obtain color data is chosen at all may be defaulted by the device or may be chosen by the user, e.g. as the case may be.
The sensitivity of the device for measuring atmospheric pressure refers to the minimum change degree of the color of the graphene film 210 that can be acquired by the device for measuring atmospheric pressure. Because the intensity of the reflected light or the transmitted light is stronger, the saturation of the color presented by the graphene film 210 is higher, and the more obvious the color presented by the corresponding graphene film 210 is, the more easily the device for measuring the atmospheric pressure acquires the color data of the display screen. Conversely, if the intensity of the reflected light or the transmitted light is too low, the saturation of the color presented by the graphene film 210 is low, and the device for measuring the atmospheric pressure is more difficult to acquire the color data of the display screen. Therefore, in order to increase the sensitivity of the color data collected by the apparatus for measuring atmospheric pressure, it is necessary to increase the intensity of the reflected light or the transmitted light described above. That is, the sensitivity of the atmospheric pressure measured by the atmospheric pressure measuring device is higher by increasing the intensity of the reflected light or the transmitted light.
Further, in order to improve the sensitivity of the atmospheric pressure measured by the atmospheric pressure measuring apparatus, the diameter of the groove 221 is set to 0.6mm to 0.9mm, and when the diameter of the groove 221 is set to 0.6mm to 0.9mm, the atmospheric pressure measuring apparatus can more easily collect color data of the display screen.
Specifically, when the diameter of the groove 221 is between 0.6mm and 0.9mm, the length of the groove 221 is an integral multiple of the wavelength of the light reflected by the graphene film 210, that is, the cavity formed between the groove 221 and the graphene film 210 is substantially equivalent to an optical resonant cavity. After the incident light passes through the optical cavity, the loss of light is small and it is even possible that the optical cavity will amplify the incident light, in general, the intensity of light entering the optical cavity is substantially greater than if the cavity were not constructed. That is to say, the loss of incident light after passing through this optical resonator is less to make the intensity of passing through light increase relatively, the intensity of reverberation also increases relatively simultaneously, and then the colour that graphite alkene film 210 appears just more obvious, thereby makes the device of measuring atmospheric pressure gather the color data of display screen more easily, and the sensitivity of the atmospheric pressure that the device of measuring atmospheric pressure measured is higher promptly.
After the device for measuring the atmospheric pressure obtains the color data of the display screen, the current atmospheric pressure needs to be obtained according to the color data and the corresponding relation between the color data and the atmospheric pressure. Wherein the correspondence relationship represents a relationship between the color data and the atmospheric pressure. If a certain color data is known, the atmospheric pressure value corresponding to the color data can be obtained from the correspondence relationship.
Obviously, the correspondence between the color data and the atmospheric pressure needs to be obtained before the correspondence is used.
For example, one method for obtaining the corresponding relationship is to collect color data of the graphene film under various atmospheric pressures, and obtain the corresponding relationship according to the various atmospheric pressures and the color data under the various atmospheric pressures.
Wherein the plurality of atmospheric pressures are atmospheric pressures involved in obtaining the correspondence. The various atmospheric pressures may be atmospheric pressures that users often measure to use, for example, the various atmospheric pressures are standard atmospheric pressures 101 Kpa. Alternatively, the plurality of atmospheric pressures may be any atmospheric pressure within a certain range, that is, the plurality of atmospheric pressures are an infinite number of atmospheric pressures, for example, the plurality of atmospheric pressures may be 0Kpa to 60Mpa, that is, the plurality of atmospheric pressures include any one or more of 0Kpa to 60Mpa, where Kpa is a unit of atmospheric pressure Kpa, Mpa is a unit of atmospheric pressure Mpa, and 1Mpa equals 1000 Kpa.
And obtaining the corresponding relation according to the multiple atmospheric pressures and the multiple color data corresponding to the multiple atmospheric pressures. There are many forms of correspondence, for example, one correspondence is a correspondence between specific values.
Specifically, various color data corresponding to various atmospheric pressures are directly acquired one by one to obtain the corresponding relationship between specific values. The device for measuring the atmospheric pressure can directly acquire various color data under various atmospheric pressures one by one, and then directly obtain the corresponding relation between various atmospheric pressures and corresponding various color data to obtain specific values. The method for collecting color data under a certain atmospheric pressure refers to the content discussed above, and is not described herein again. The correspondence between specific values means that the atmospheric pressure is a specific numerical value, and the color data is also a specific numerical value.
For example, an atmospheric pressure measuring device collects RGB data of the graphene thin film at an atmospheric pressure of 101Kpa to obtain (255 ); collecting RGB data of the graphene film under the atmospheric pressure of 202Kpa, wherein the RGB data are (211, 211, 211); at an atmospheric pressure of 303Kpa, RGB data of the obtained graphene thin film are (158, 162, 173). Then, the device for measuring the atmospheric pressure can generate the corresponding relationship between specific values as shown in the following table 1 according to the obtained various atmospheric pressures and the corresponding color data:
TABLE 1
| Atmospheric pressure | Color data |
| 101Kpa | (255,255,255) |
| 202Kpa | (201,141,201) |
| 303Kpa | (158,162,173) |
Alternatively, one correspondence is a correspondence between atmospheric pressure in a certain range and corresponding color data.
Specifically, the device for measuring atmospheric pressure may collect partial color data corresponding to partial atmospheric pressure, and then perform fitting according to the partial atmospheric pressure and the partial color data to obtain a fitting curve between the atmospheric pressure and the corresponding color data within a certain range, where the fitting curve is a corresponding relationship. The specific manner of fitting may be directly the existing fitting method, and is not specifically limited herein.
For example, when the atmospheric pressure measuring device acquires color data corresponding to 101Kpa atmospheric pressure as a and acquires color data corresponding to 102Kpa atmospheric pressure as B, the atmospheric pressure measuring device fits the two sets of data (101Kpa, a) and (102Kpa, B) to obtain a correspondence relationship, which can represent arbitrary atmospheric pressure color data from 101Kpa to 102 Kpa.
The method for obtaining the corresponding relation through fitting can relatively reduce the acquisition times of the device for measuring the atmospheric pressure compared with the method for obtaining the corresponding relation through one-to-one acquisition, and can obtain the atmospheric pressure corresponding to any color data in a certain range, but the method for obtaining the corresponding relation through one-to-one direct measurement is likely to have relatively higher accuracy compared with the method for obtaining the corresponding relation through data fitting.
After obtaining the corresponding relationship, the corresponding relationship may be stored in the device for measuring atmospheric pressure, or may be stored in the cloud, and when the device for measuring atmospheric pressure measures, the corresponding relationship may be directly called from the local or the cloud. Of course, as mentioned above, the corresponding relationship is obtained by the device for measuring the atmospheric pressure, and actually, the corresponding relationship may also be obtained by other devices, for example, the device for measuring the atmospheric pressure may be obtained from other devices or from the cloud. In addition, if the plurality of devices for measuring the atmospheric pressure all measure the corresponding relationship, the plurality of devices for measuring the atmospheric pressure can share the corresponding relationship, so that the corresponding relationship comprises more data or the determined atmospheric pressure is more accurate.
For example, the apparatus a for measuring atmospheric pressure obtains the correspondence of table 1, and the apparatus B for measuring atmospheric pressure obtains the correspondence as shown in table 2 below.
TABLE 2
| Atmospheric pressure | Color data |
| 404Kpa | (102,114,129) |
| 505Kpa | (90,100,110) |
| 606Kpa | (89,116,183) |
The apparatus for measuring atmospheric pressure a and the apparatus for measuring atmospheric pressure B may share their respective correspondence relationship through the cloud, and both the apparatus for measuring atmospheric pressure a and the apparatus for measuring atmospheric pressure B may obtain the correspondence relationship as shown in table 3 below. So that the amount of data included in the correspondence relationship can be expanded.
TABLE 3
After the correspondence and the currently acquired color data are obtained, the current atmospheric pressure can be determined.
For example, after obtaining the corresponding relationship shown in table 3, the device for measuring atmospheric pressure measures the color data RGB (255 ) of the graphene thin film under an unknown atmospheric pressure, and then the device for measuring atmospheric pressure can obtain the atmospheric pressure corresponding to the color data RGB (255 ) and the corresponding relationship shown in table 3, and is 101 Kpa.
In the embodiment of the application, the device for measuring the atmospheric pressure acquires the current atmospheric pressure according to the color data of the graphene film by acquiring the color data of the graphene film of the display screen, so that the atmospheric pressure is measured. Compared with the mode of measuring the atmospheric pressure of the barometer, the mode of measuring the atmospheric pressure of the barometer does not need the user to carry out operations such as calibration, the user operation is simpler, and the efficiency of measuring the atmospheric pressure is improved.
On the basis of the method for measuring atmospheric pressure provided in the foregoing embodiment, an embodiment of the present application further provides a device for measuring atmospheric pressure, and specifically, referring to fig. 4, the device for measuring atmospheric pressure includes an acquisition module 401 and an acquisition module 402. The device for measuring atmospheric pressure will be specifically described below.
The acquisition module 401 is configured to acquire color data of a display screen of the terminal device, where the display screen includes a graphene film, and the color data is used to indicate a color presented by the graphene film;
the obtaining module 402 is configured to obtain a current atmospheric pressure according to the color data and a corresponding relationship between the color data and the atmospheric pressure.
Optionally, the collecting module 401 is further configured to collect color data of the display screen under multiple atmospheric pressures;
the obtaining module 402 is further configured to obtain a corresponding relationship according to the multiple atmospheric pressures and the color data under the multiple atmospheric pressures.
Optionally, with continued reference to the partial structure of the display screen shown in fig. 2, the display screen further includes a substrate 220, wherein a groove 221 is formed on the substrate 220, the graphene film 210 is sealed on the upper surface of the groove 221, and a cavity is formed between the groove 221 and the graphene film 210.
Optionally, the material of the substrate 220 is silicon dioxide.
Optionally, the graphene film 210 is a double-layer graphene structure.
On the basis of the method for measuring atmospheric pressure provided in the foregoing embodiment, an embodiment of the present application further provides a terminal device, and specifically, please refer to fig. 5, where the terminal device can implement the functions that can be implemented by the apparatus for measuring atmospheric pressure described above. The terminal device includes:
the display screen 501, the display screen 501 comprises a graphene film;
the color sensor 502 is configured to acquire color data of the graphene film, where the color data is used to indicate a color presented by the graphene film;
and the processor 503 is configured to obtain the current atmospheric pressure according to the color data and the corresponding relationship between the color data and the atmospheric pressure.
Optionally, the color sensor 502 is further configured to collect color data of the display screen 501 under various atmospheric pressures;
the processor 503 is further configured to obtain the corresponding relationship according to the multiple atmospheric pressures and the color data under the multiple atmospheric pressures.
Optionally, with continued reference to the partial structure of the display screen 501 shown in fig. 2, the display screen 501 further includes a substrate 220, wherein a groove 221 is formed on the substrate 220, the graphene film 210 is sealed on an upper surface of the groove 221, and a cavity is formed between the groove 221 and the graphene film 210.
Optionally, the material of the substrate 220 is silicon dioxide.
Optionally, the graphene film 210 is a double-layer graphene structure.
In order to prevent the normal display function and the atmospheric pressure measurement function of the terminal device from affecting each other, referring to fig. 6, an embodiment of the present application provides a terminal device, where a display screen of the terminal device includes a measurement display screen 610 and a normal display screen 611.
Specifically, the specific structure of the measurement display screen 610 is shown in fig. 2, and is not described herein again. The structure of the normal display 611 is identical to that of the related art display, and is not particularly limited herein. The color sensor 620 directly collects the color data of the measurement display screen 610, and then the processor 630 obtains the current atmospheric pressure according to the color data and the corresponding relationship. The processor 630 may send the current atmospheric pressure to the normal display screen 611 for display, thereby displaying the current atmospheric pressure. Or processor 630 may send the current barometric pressure directly to measurement display 610 for display. In fig. 6, the terminal device includes one processor 630 as an example, and the number of processors 630 included in the terminal device is not limited in practical applications.
In the embodiment of the application, the display screen is realized by measuring the display screen 610 and the normal display screen 611, so that the normal display function of the terminal equipment and the function of measuring the atmospheric pressure cannot be influenced mutually, and the cost of the display screen can be reduced.
As an embodiment, the obtaining module 402 shown in fig. 4 may be implemented by the processor 503 shown in fig. 5 or may also be implemented by the processor 630 shown in fig. 6.
It should be noted that, in fig. 5, the terminal device includes one processor 503 as an example, and the number of processors 503 included in the terminal device is not limited in practical applications. Similarly, in fig. 6, the terminal device includes one processor 630 as an example, and the number of processors 630 included in the terminal device is not limited in practical applications.
In fig. 5, the display 501 and the processor 503 are connected by a dotted line, which indicates that the display 501 and the processor 503 may be connected or unconnected. Similarly, the measurement display screen 610 and the processor 630 shown in fig. 6 are connected by a dashed line, which means that the measurement display screen 610 and the processor 630 may be connected or disconnected.
On the basis of the above-mentioned method for measuring atmospheric pressure, an embodiment of the present application provides a computer-readable storage medium storing computer instructions that, when executed on a computer, cause the computer to perform the method for measuring atmospheric pressure as shown in fig. 1.
On the basis of the method for measuring the atmospheric pressure, the embodiment of the present application provides a computer program product, which contains instructions that, when executed on a computer, cause the computer to execute the method for measuring the atmospheric pressure as shown in fig. 1.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (13)
1. A method of measuring atmospheric pressure, the method comprising:
collecting color data of reflected light on the upper surface of a graphene film, and obtaining color data of a display screen of a terminal device according to the color data of the reflected light, wherein the display screen comprises the graphene film, the color data are used for indicating colors presented by the graphene film, the display screen further comprises a substrate, a plurality of grooves are formed in the substrate, the size of each groove in the plurality of grooves is the same, the graphene film is sealed on the upper surfaces of the plurality of grooves, and cavities are formed between the plurality of grooves and the graphene film;
and obtaining the current atmospheric pressure according to the color data and the corresponding relation between the color data and the atmospheric pressure.
2. The method of claim 1, before acquiring color data of reflected light on the upper surface of the graphene film and obtaining color data of a display screen of a terminal device according to the color data of the reflected light, further comprising:
respectively collecting color data of the display screen under various atmospheric pressures;
and obtaining the corresponding relation according to the multiple atmospheric pressures and the color data under the multiple atmospheric pressures.
3. The method of claim 1, wherein the substrate material is silicon dioxide.
4. The method of any one of claims 1-3, wherein the graphene thin film is a double-layer graphene structure.
5. An apparatus for measuring atmospheric pressure, comprising:
the display screen comprises a substrate, wherein a plurality of grooves are formed in the substrate, the size of each groove in the plurality of grooves is the same, the graphene film is sealed on the upper surfaces of the plurality of grooves, and a cavity is formed between the plurality of grooves and the graphene film;
and the acquisition module is used for acquiring the current atmospheric pressure according to the color data and the corresponding relation between the color data and the atmospheric pressure.
6. The apparatus of claim 5,
the acquisition module is further used for respectively acquiring color data of a display screen of the terminal equipment under various atmospheric pressures before acquiring the color data of reflected light on the upper surface of the graphene film and acquiring the color data of the display screen according to the color data of the reflected light;
the acquisition module is further configured to acquire the corresponding relationship according to the multiple atmospheric pressures and the color data under the multiple atmospheric pressures.
7. The apparatus of claim 5, wherein the substrate material is silicon dioxide.
8. The apparatus of any one of claims 5-7, wherein the graphene thin film is a double-layer graphene structure.
9. A terminal device, comprising:
the display screen comprises a graphene film and a substrate, wherein a plurality of grooves are formed in the substrate, the size of each groove in the plurality of grooves is the same, the graphene film is sealed on the upper surfaces of the plurality of grooves, and a cavity is formed between the plurality of grooves and the graphene film;
the color sensor is used for acquiring color data of the graphene film, wherein the color data is used for indicating the color presented by the graphene film;
and the processor is used for obtaining the current atmospheric pressure according to the color data and the corresponding relation between the color data and the atmospheric pressure.
10. The terminal device of claim 9,
the color sensor is also used for respectively collecting color data of a display screen of the terminal equipment under various atmospheric pressures before collecting the color data of reflected light on the upper surface of the graphene film and obtaining the color data of the display screen according to the color data of the reflected light;
the processor is further configured to obtain the corresponding relationship according to the multiple atmospheric pressures and the color data under the multiple atmospheric pressures.
11. The terminal device of claim 9, wherein the substrate is silicon dioxide.
12. The terminal device according to any one of claims 9 to 11, wherein the graphene thin film is of a double-layer graphene structure.
13. A computer-readable storage medium having stored thereon computer instructions which, when executed on a computer, cause the computer to perform the method of any one of claims 1-4.
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