CN204064501U - A kind of thermometer based on audio interface - Google Patents
A kind of thermometer based on audio interface Download PDFInfo
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- CN204064501U CN204064501U CN201420447748.1U CN201420447748U CN204064501U CN 204064501 U CN204064501 U CN 204064501U CN 201420447748 U CN201420447748 U CN 201420447748U CN 204064501 U CN204064501 U CN 204064501U
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- audio interface
- resistance
- pin
- control module
- temperature sensor
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Abstract
The utility model provides a kind of thermometer based on audio interface, comprising: audio interface, resistance, temperature sensor, control module and display module; Described resistance and temperature sensor are mutually connected in series and are connected to control module, and described control module is connected with display module, and described control module is connected to audio interface and is powered by audio interface.The utility model provides power supply by audio interface to thermometer and realizes temperature data acquisition, and can be connected directly to external equipment, easily extensible goes out abundant function; Further, can also further body temperature trans and environment temperature sensor be encapsulated in inside same temp probe, can simultaneously take temperature and environment temperature.
Description
Technical field
The utility model relates to a kind of thermometer, particularly relates to a kind of thermometer based on audio interface.
Background technology
Existing thermometer function is comparatively single, there is no external equipment and expanded function, often can only detect this single temperature of body temperature, and along with the prosperity of communication and the update of mobile terminal, people are for the functional requirement of clinical thermometer also in continuous change, and existing clinical thermometer can not meet the demand in market completely.
Summary of the invention
Technical problem to be solved in the utility model needs to provide a kind of thermometer that can be connected to external equipment by audio interface, and realize a temp probe further can simultaneously detection bodies benign environment temperature.
To this, the utility model provides a kind of thermometer based on audio interface, comprising: audio interface, resistance, temperature sensor, control module and display module; Described resistance and temperature sensor are mutually connected in series and are connected to control module, and described control module is connected with display module, and described control module is connected to audio interface and is powered by audio interface.
Further improvement of the utility model is, described control module comprises signal gathering unit, Date Conversion Unit, communication unit and display unit, described resistance and temperature sensor are connected to signal gathering unit, described collecting unit is connected to display unit by Date Conversion Unit, and described Date Conversion Unit is connected to audio interface by communication unit.
The transducing signal of temperature sensor described in the utility model is sent to signal gathering unit through oversampling circuit, the temperature signal collected is delivered to Date Conversion Unit and is processed by signal gathering unit, then through display unit display data, and realize exporting external equipment to through communication unit and audio interface; Power supply of the present utility model is provided by audio interface; Described Date Conversion Unit is preferably the coding chip of hardware, becomes the digital signal that can realize showing for temperature sensor signal decoding signal gathering unit collected; Described external equipment can be mobile phone, as apple, Samsung, millet, association, Huawei and in the main flow mobile phone such as emerging.
Further improvement of the utility model is, described display module is LED charactron.
Further improvement of the utility model is, a sound channel of described audio interface is connected with the power pin of control module, and another sound channel is connected with the data out pin of control module.
Further improvement of the utility model is, the MCI of described audio interface is connected with the data in pin of control module.
Further improvement of the utility model is, described control module is MCU chip.
Further improvement of the utility model is, described temperature sensor comprises body temperature trans N1 and environment temperature sensor N2, and described body temperature trans N1 and environment temperature sensor N2 is connected to V2 pin and the V3 pin of MCU chip respectively.
Further improvement of the utility model is, described body temperature trans N1 and environment temperature sensor N2 is encapsulated in inside same temp probe, and the wire of described temp probe is silica gel wire.
Further improvement of the utility model is, described resistance is thermistor, and comprises resistance R1, resistance R2, resistance R3 and resistance R4; Described resistance R1 and resistance R2 is mutually connected in series and is connected to the P1 pin of MCU chip, and the V1 pin of described MCU chip is connected to the centre of resistance R1 and resistance R2; Described body temperature trans N1 and resistance R3 is mutually connected in series and is connected to the P1 pin of MCU chip, and the V2 pin of described MCU chip is connected to the centre of body temperature trans N1 and resistance R3; Described environment temperature sensor N2 and resistance R4 is mutually connected in series and is connected to the P1 pin of MCU chip, and the V3 pin of described MCU chip is connected to the centre of environment temperature sensor N2 and resistance R4.
Further improvement of the utility model is, the P1 pin of described MCU chip is powered to thermistor.
Compared with prior art, the beneficial effects of the utility model are: provide power supply by audio interface to thermometer and realize temperature data acquisition, can be connected directly to external equipment, easily extensible goes out abundant function; Further, can also further body temperature trans and environment temperature sensor be encapsulated in inside same temp probe, can simultaneously take temperature and environment temperature.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of the another kind of embodiment of the utility model;
Fig. 3 is the structural representation after the another kind of embodiment encapsulation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, preferably embodiment of the present utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, this example provides a kind of thermometer based on audio interface, comprising: audio interface, resistance, temperature sensor, control module and display module; Described resistance and temperature sensor are mutually connected in series and are connected to control module, and described control module is connected with display module, and described control module is connected to audio interface and is powered by audio interface.
Embodiment 2:
As inscribed shown in 2, on the basis of embodiment 1, this routine described control module comprises signal gathering unit, Date Conversion Unit, communication unit and display unit, described resistance and temperature sensor are connected to signal gathering unit, described collecting unit is connected to display unit by Date Conversion Unit, and described Date Conversion Unit is connected to audio interface by communication unit.
The transducing signal of this routine described temperature sensor is sent to signal gathering unit through oversampling circuit, the temperature signal collected is delivered to Date Conversion Unit and is processed by signal gathering unit, then through display unit display data, and realize exporting external equipment to through communication unit and audio interface; The power supply of this example is provided by audio interface; Described Date Conversion Unit is preferably the coding chip of hardware, becomes the digital signal that can realize showing for temperature sensor signal decoding signal gathering unit collected; Described external equipment can be mobile phone, as apple, Samsung, millet, association, Huawei and in the main flow mobile phone such as emerging.
This routine described display module is preferably LED charactron; A sound channel of described audio interface is connected with the power pin of control module, and another sound channel is connected with the data out pin of control module; The MCI of described audio interface is connected with the data in pin of control module.Therefore, the circuit of this example provides power supply by audio interface sound channel, and another one sound channel is as data output; The MCI mouth of audio interface is as data input port.
This routine described control module is preferably MCU chip.
As shown in Figure 2, this routine described temperature sensor comprises body temperature trans N1 and environment temperature sensor N2, and described body temperature trans N1 and environment temperature sensor N2 is connected to V2 pin and the V3 pin of MCU chip respectively.Described resistance is thermistor, and resistance comprises resistance R1, resistance R2, resistance R3 and resistance R4; Described resistance R1 and resistance R2 is mutually connected in series and is connected to the P1 pin of MCU chip, and the V1 pin of described MCU chip is connected to the centre of resistance R1 and resistance R2; Described body temperature trans N1 and resistance R3 is mutually connected in series and is connected to the P1 pin of MCU chip, and the V2 pin of described MCU chip is connected to the centre of body temperature trans N1 and resistance R3; Described environment temperature sensor N2 and resistance R4 is mutually connected in series and is connected to the P1 pin of MCU chip, and the V3 pin of described MCU chip is connected to the centre of environment temperature sensor N2 and resistance R4.
The P1 pin of described MCU chip is powered to thermistor; The P1 pin of MCU chip produces the voltage that can regulate, and powers to thermistor (NTC); Resistance R1 and resistance R2 is used for detecting the voltage of P1 pin; Body temperature trans N1 is body temperature trans, for detecting body temperature; Environment temperature sensor N2 is environment temperature sensor; MCU chip is by detecting the voltage of V1 pin, V2 pin and V3 pin, then the voltage needing to provide is provided, again detect the voltage of V1 pin, V2 pin and V3 pin, obtain the temperature value of body temperature trans N1 and environment temperature sensor N2 accurately successively, then give mobile phone by audio interface after being changed by MCU chip, mobile phone demonstrates the temperature of measurement.
As shown in Figure 3, this routine described body temperature trans N1 and environment temperature sensor N2 is encapsulated in inside same temp probe, and the wire of described temp probe is silica gel wire.This example can take temperature simultaneously again can measures ambient temperature; Temp probe wire adopts silica gel line, can bear the temperature detection of-40 ~+200 degrees Celsius, temp probe waterproof.
This example can also comprise the PWM be connected with MCU chip and to flow over circuit, described PWM crossing current circuit adopts high-precision pwm circuit to produce voltage, high-precision voltage detecting, and high-precision resistance, carry out control circui by MCU, when tested NTC resistance hour, there is provided less electric current, when resistance is larger, electric current linearly increases, thus manifest low cost realize automatic constant current source, improve the precision of temperature acquisition.
Audio interface can adopt the definition of the mobile audio interface of standard, and the mobile phone that automatically can adapt to global main flow uses; In Fig. 2, display module can be LED charactron, direct displays temperature, directly can check temperature data on mobile phone when being connected to mobile phone.
This example achieves the thermometer based on audio interface by the scheme of pure hardware, and described audio interface provides power supply to thermometer and realizes temperature data acquisition, can be connected directly to external equipment, and easily extensible goes out abundant function; Further, can also further body temperature trans and environment temperature sensor be encapsulated in inside same temp probe, can simultaneously take temperature and environment temperature.
The embodiment of the above is better embodiment of the present utility model; not limit concrete practical range of the present utility model with this; scope of the present utility model comprises and is not limited to this embodiment, and the equivalence change that all shapes according to the utility model, structure are done is all in protection domain of the present utility model.
Claims (10)
1. based on a thermometer for audio interface, it is characterized in that, comprising: audio interface, resistance, temperature sensor, control module and display module; Described resistance and temperature sensor are mutually connected in series and are connected to control module, and described control module is connected with display module, and described control module is connected to audio interface and is powered by audio interface.
2. the thermometer based on audio interface according to claim 1, it is characterized in that, described control module comprises signal gathering unit, Date Conversion Unit, communication unit and display unit, described resistance and temperature sensor are connected to signal gathering unit, described collecting unit is connected to display unit by Date Conversion Unit, and described Date Conversion Unit is connected to audio interface by communication unit.
3. the thermometer based on audio interface according to claim 1 and 2, is characterized in that, described display module is LED charactron.
4. the thermometer based on audio interface according to claim 1 and 2, is characterized in that, a sound channel of described audio interface is connected with the power pin of control module, and another sound channel is connected with the data out pin of control module.
5. the thermometer based on audio interface according to claim 1 and 2, is characterized in that, the MCI of described audio interface is connected with the data in pin of control module.
6. the thermometer based on audio interface according to claim 1 and 2, is characterized in that, described control module is MCU chip.
7. the thermometer based on audio interface according to claim 6, it is characterized in that, described temperature sensor comprises body temperature trans N1 and environment temperature sensor N2, and described body temperature trans N1 and environment temperature sensor N2 is connected to V2 pin and the V3 pin of MCU chip respectively.
8. the thermometer based on audio interface according to claim 7, is characterized in that, described body temperature trans N1 and environment temperature sensor N2 is encapsulated in inside same temp probe, and the wire of described temp probe is silica gel wire.
9. the thermometer based on audio interface according to claim 7, is characterized in that, described resistance is thermistor, and comprises resistance R1, resistance R2, resistance R3 and resistance R4; Described resistance R1 and resistance R2 is mutually connected in series and is connected to the P1 pin of MCU chip, and the V1 pin of described MCU chip is connected to the centre of resistance R1 and resistance R2; Described body temperature trans N1 and resistance R3 is mutually connected in series and is connected to the P1 pin of MCU chip, and the V2 pin of described MCU chip is connected to the centre of body temperature trans N1 and resistance R3; Described environment temperature sensor N2 and resistance R4 is mutually connected in series and is connected to the P1 pin of MCU chip, and the V3 pin of described MCU chip is connected to the centre of environment temperature sensor N2 and resistance R4.
10. the thermometer based on audio interface according to claim 9, is characterized in that, the P1 pin of described MCU chip is powered to thermistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447748.1U CN204064501U (en) | 2014-08-08 | 2014-08-08 | A kind of thermometer based on audio interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447748.1U CN204064501U (en) | 2014-08-08 | 2014-08-08 | A kind of thermometer based on audio interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204064501U true CN204064501U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420447748.1U Expired - Fee Related CN204064501U (en) | 2014-08-08 | 2014-08-08 | A kind of thermometer based on audio interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204064501U (en) |
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2014
- 2014-08-08 CN CN201420447748.1U patent/CN204064501U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20190808 |