CN204498203U - A kind of mobile phone peripheral device measuring air pressure height above sea level - Google Patents
A kind of mobile phone peripheral device measuring air pressure height above sea level Download PDFInfo
- Publication number
- CN204498203U CN204498203U CN201420808793.5U CN201420808793U CN204498203U CN 204498203 U CN204498203 U CN 204498203U CN 201420808793 U CN201420808793 U CN 201420808793U CN 204498203 U CN204498203 U CN 204498203U
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- China
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- mobile phone
- pass filter
- low pass
- air pressure
- sea level
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Abstract
The utility model belongs to mobile phone peripheral technologies field, relate to a kind of mobile phone peripheral device measuring air pressure height above sea level, comprising: shell, control board, pressure sensor, the first low pass filter, the second low pass filter, analog to digital converter, temperature sensor, processor, interface, hanging hole; By pressure sensor, measure the size of air pressure; According to the relation of temperature and air pressure, calculate height above sea level; This apparatus structure is simple, with low cost, easy to carry, uses not by environmental limitations, has good application prospect.
Description
Technical field
The utility model belongs to mobile phone peripheral technologies field, relates to a kind of mobile phone peripheral device measuring air pressure height above sea level, pressure sensor, measures the size of air pressure; According to the relation of temperature and air pressure, calculate height above sea level; This apparatus structure is simple, with low cost, easy to carry, uses not by environmental limitations, has good application prospect.
Background technology
By the change of air pressure, can judge a lot of information, such as, for rodman, air pressure is related to the feed hobby of fish; For meteorology, air pressure may be used for predicting the weather; For outdoor exercises person, air pressure relation weather and protection; Height above sea level and air pressure closely bound up, height above sea level and air pressure and temperature correlation, simultaneously for outdoor exercises person, altitude information to geographical position judgment and protection also extremely important.Existing air pressure generally needs specific measuring instrument, height above sea level generally needs to measure by means of GPS, in actual life, for amateur, very inconvenient with instrument, and in remote mountains or when having shelter, GPS often cannot measure, user is made to know relevant information.
For this situation, the utility model provides a kind of mobile phone peripheral device measuring air pressure height above sea level, comprising: shell, control board, pressure sensor, the first low pass filter, the second low pass filter, analog to digital converter, temperature sensor, processor, interface, hanging hole; Pressure sensor, measures the size of air pressure; According to the relation of temperature and air pressure, calculate height above sea level; This apparatus structure is simple, with low cost, easy to carry, uses not by environmental limitations, has good application prospect.
Utility model content
The purpose of this utility model overcomes prior art Instrumental to carry the limited problem of inconvenience, measurement environment.
For this reason, the utility model provides a kind of mobile phone peripheral device measuring air pressure height above sea level, by shell, control board, pressure sensor, the first low pass filter, the second low pass filter, analog to digital converter, temperature sensor, processor, interface, hanging hole; Wherein, pressure sensor, the first low pass filter, the second low pass filter, analog to digital converter, temperature sensor, processor, interface are all positioned on control board; Hanging hole is positioned at the marginal position of shell; Pressure sensor measures pressure signal, and pressure signal is converted into the signal of telecommunication, and exports two path signal with the form of difference; Wherein the first via signal of telecommunication is input to the first low pass filter, and the second road signal is input to the second low pass filter; Two paths of signals, respectively through after the first low pass filter and the second low pass filter, outputs to analog to digital converter; Analog to digital converter exports to processor after the electric analoging signal of input is converted into digital signal; The information collected is exported to processor by temperature sensor; Processor, after relevant calculating, communicates with mobile phone by connecing, air pressure altitude information is transferred to mobile phone terminal, utilize the APP of mobile phone terminal to show.
Above-mentioned a kind of mobile phone peripheral device measuring air pressure height above sea level, described pressure sensor is integrated pressure sensor, also can be that discrete elements is formed.
Above-mentioned a kind of mobile phone peripheral device measuring air pressure height above sea level, described temperature sensor is digital temperature sensor, also can be platinum resistance; The maximum advantage of digital temperature sensor is easy to use, but cost is higher; Platinum resistance needs constant-current source with the use of, circuit relative complex, but certainty of measurement and measuring range higher.
Above-mentioned a kind of mobile phone peripheral device measuring air pressure height above sea level, the first described low pass filter, the second low pass filter can be active filters, also can be passive filters.
Above-mentioned a kind of mobile phone peripheral device measuring air pressure height above sea level, described interface can be USB interface, also can be earphone interface; Interface is used for communication and powers to device.
Above-mentioned a kind of mobile phone peripheral device measuring air pressure height above sea level, described analog to digital converter can be independently modulus conversion chip, also can be the inner integrated analog to digital converter of processor; Adopt integrated analog to digital converter to have higher precision, but cost is higher, circuit is relatively complicated; Adopt the analog to digital converter that processor is integrated, cost can be saved and be connected with circuit.
The beneficial effects of the utility model: the size being measured air pressure by pressure sensor, make measurement not by the limitation of environmental factor; According to the relation of temperature and air pressure, calculate height above sea level; By hanging hole, can device be hung on mobile phone, be convenient for carrying; This apparatus structure is simple, with low cost, easy to carry, uses not by environmental limitations, has good application prospect.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of automatic temperature-control heating device of the utility model.
Accompanying drawing 1 description of symbols: 1, shell; 2, control board; 3, pressure sensor; 4, the first low pass filter; 5, the second low pass filter; 6, analog to digital converter; 7, temperature sensor; 8, processor; 9, interface; 10, hanging hole.
Embodiment
Embodiment 1
If Fig. 1 is a kind of mobile phone peripheral device measuring air pressure height above sea level of the utility model, be made up of shell 1, control board 2, pressure sensor 3, first low pass filter 4, second low pass filter 5, analog to digital converter 6, temperature sensor 7, processor 8, interface 9, hanging hole 10.
Wherein, pressure sensor 3, first low pass filter 4, second low pass filter (5), analog to digital converter 6, temperature sensor 7, processor 8, interface 9 are all positioned on control board 2; Hanging hole 10 is positioned at the marginal position of shell 1; Pressure sensor 3 measures pressure signal, and pressure signal is converted into the signal of telecommunication, and exports two path signal with the form of difference; Wherein the first via signal of telecommunication is input to the first low pass filter 4, second road signal and is input to the second low pass filter 5; Two paths of signals, respectively through after the first low pass filter 4 and the second low pass filter 5, outputs to analog to digital converter 6; Analog to digital converter 6 exports to processor 8 after the electric analoging signal of input is converted into digital signal; The information collected is exported to processor 8 by temperature sensor 7; Processor 8, after relevant calculating, is communicated with mobile phone by interface 9, air pressure altitude information is transferred to mobile phone terminal, utilize the APP of mobile phone terminal to show.
Embodiment 2
On the basis of embodiment 1, described pressure sensor 3 is integrated pressure sensors, selects the US9011-100-8 transducer that Shenzhen Lian Xingte sensor technology Co., Ltd produces here, and this chip is SOP-8 encapsulation, the aperture of 0.76mm is arranged at the top of chip, cheap, easy to use.Constant-current source or constant pressure source can be adopted to encourage, adopt constant pressure source to encourage here.Sensor output voltage and pressure linear, by can calculate the size of air pressure to the measurement of output voltage.
Described temperature sensor 7 is digital temperature sensors, adopts DS18B20 here; First low pass filter 4, second low pass filter 5 adopts active filter; Described interface 9 is USB interface; The STM32F103 processor that described processor 8 adopts ST Microelectronics to produce, this processor has the flash capacity of 64KB, and inside is integrated with analog-to-digital conversion and digital-to-analogue conversion; The analog to digital converter that described analog to digital converter 6 adopts processor 8 inner integrated.
Device in use, is connected to mobile phone by USB interface by user, if corresponding software installed in advance by mobile phone, can show the air pressure altitude information of current environment by opening this software on interface.
Embodiment 3
On the basis of embodiment 1, described pressure sensor 3 is integrated pressure sensors, selects the US9011-100-8 transducer that Shenzhen Lian Xingte sensor technology Co., Ltd produces here, and this chip is SOP-8 encapsulation, the aperture of 0.76mm is arranged at the top of chip, cheap, easy to use.Constant-current source or constant pressure source can be adopted to encourage, adopt constant pressure source to encourage here.Sensor output voltage and pressure linear, by can calculate the size of air pressure to the measurement of output voltage.
Described temperature sensor 7 is platinum resistance, carrys out measuring tempeature by constant-current source; The first described low pass filter 4, second low pass filter 5 is passive filters, and under the prerequisite reaching performance requirement, circuit structure with low cost is simple; Described interface 9 is earpiece holes, and namely processor 8 is communicated with mobile phone by earpiece holes.The STC89C51 processor that described processor 8 adopts STC Corporation to produce, this processor has the ROM capacity of 4KB, and 40DIP pin encapsulates, cheap, and technology maturation is easy to use; Due to this processor inside not integrated analog digit converter, so analog to digital converter 6 adopts special modulus conversion chip, adopt the ADC0832 that ADI company produces here.
Device in use, is connected to mobile phone by earpiece holes by user, if corresponding software installed in advance by mobile phone, can show the air pressure altitude information of current environment by opening this software on interface.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection range of the present utility model, everyly all belongs within protection range of the present utility model with the same or analogous design of the utility model.
Claims (6)
1. measure a mobile phone peripheral device for air pressure height above sea level, it is characterized in that comprising: shell (1), control board (2), pressure sensor (3), the first low pass filter (4), the second low pass filter (5), analog to digital converter (6), temperature sensor (7), processor (8), interface (9), hanging hole (10); Wherein, pressure sensor (3), the first low pass filter (4), the second low pass filter (5), analog to digital converter (6), temperature sensor (7), processor (8), interface (9) are all positioned on control board (2); Hanging hole (10) is positioned at the marginal position of shell (1); Pressure sensor (3) measures pressure signal, and pressure signal is converted into the signal of telecommunication, and exports two path signal with the form of difference; Wherein the first via signal of telecommunication is input to the first low pass filter (4), and the second road signal is input to the second low pass filter (5); Two paths of signals, respectively through after the first low pass filter (4) and the second low pass filter (5), outputs to analog to digital converter (6); Analog to digital converter (6) exports to processor (8) after the electric analoging signal of input is converted into digital signal; The information collected is exported to processor (8) by temperature sensor (7); Processor (8), after relevant calculating, is communicated with mobile phone by interface (9), air pressure altitude information is transferred to mobile phone terminal, utilize the APP of mobile phone terminal to show.
2. a kind of mobile phone peripheral device measuring air pressure height above sea level according to claim 1, is characterized in that: described pressure sensor (3) is that integrated pressure sensor or discrete elements are formed.
3. a kind of mobile phone peripheral device measuring air pressure height above sea level according to claim 1, is characterized in that: described temperature sensor (7) is digital temperature sensor or platinum resistance.
4. a kind of mobile phone peripheral device measuring air pressure height above sea level according to claim 1, is characterized in that: described the first low pass filter (4), the second low pass filter (5) are active filter or passive filter.
5. a kind of mobile phone peripheral device measuring air pressure height above sea level according to claim 1, is characterized in that: described interface (9) is USB interface or earphone interface.
6. a kind of mobile phone peripheral device measuring air pressure height above sea level according to claim 1, is characterized in that: described analog to digital converter (6) is the analog to digital converter that independently modulus conversion chip or processor (8) are inner integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808793.5U CN204498203U (en) | 2014-12-19 | 2014-12-19 | A kind of mobile phone peripheral device measuring air pressure height above sea level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808793.5U CN204498203U (en) | 2014-12-19 | 2014-12-19 | A kind of mobile phone peripheral device measuring air pressure height above sea level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204498203U true CN204498203U (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420808793.5U Expired - Fee Related CN204498203U (en) | 2014-12-19 | 2014-12-19 | A kind of mobile phone peripheral device measuring air pressure height above sea level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204498203U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941410A (en) * | 2017-11-18 | 2018-04-20 | 衡阳县海得利网络技术有限公司 | Variable displacement type baroceptor and the dedicated height above sea level clear height sensing equipment of smart mobile phone |
| WO2019137363A1 (en) * | 2018-01-11 | 2019-07-18 | 常州市派腾电子技术服务有限公司 | Altitude obtaining circuit and electronic cigarette |
-
2014
- 2014-12-19 CN CN201420808793.5U patent/CN204498203U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941410A (en) * | 2017-11-18 | 2018-04-20 | 衡阳县海得利网络技术有限公司 | Variable displacement type baroceptor and the dedicated height above sea level clear height sensing equipment of smart mobile phone |
| WO2019137363A1 (en) * | 2018-01-11 | 2019-07-18 | 常州市派腾电子技术服务有限公司 | Altitude obtaining circuit and electronic cigarette |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20151219 |
|
| EXPY | Termination of patent right or utility model |