CN203338175U - Vehicle-borne intelligent terminal low temperature protection device - Google Patents
Vehicle-borne intelligent terminal low temperature protection device Download PDFInfo
- Publication number
- CN203338175U CN203338175U CN2013204277349U CN201320427734U CN203338175U CN 203338175 U CN203338175 U CN 203338175U CN 2013204277349 U CN2013204277349 U CN 2013204277349U CN 201320427734 U CN201320427734 U CN 201320427734U CN 203338175 U CN203338175 U CN 203338175U
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- microprocessor
- module
- temperature
- vehicle
- intelligent terminal
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- 239000010409 thin film Substances 0.000 claims abstract description 16
- 230000003321 amplification Effects 0.000 claims abstract description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 7
- 239000004973 liquid crystal related substance Substances 0.000 abstract 2
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012802 pre-warming Methods 0.000 description 1
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Abstract
The utility model discloses a vehicle-borne intelligent terminal low temperature protection device which comprises a microprocessor, a CPU, a thin film transistor liquid crystal display, a radio module, a temperature sensor, an audio processing module and a power amplification module. The microprocessor is electrically connected with the temperature sensor. The CPU, the thin film transistor liquid crystal display, the radio module, the audio processing module and the power amplification module are electrically connected with the microprocessor. By setting the sensor, when the condition that the outside temperature is lower than the normal temperature of a vehicle-borne terminal is detected, through controlling the electrifying of the CPU, the radio module, the audio processing module and the power amplification module, heat energy generated by the electrifying of electrical components is used to carry out preheating, when the temperature reaches the normal temperature of the vehicle-borne terminal, the microprocessor controls the vehicle-borne terminal to start normally, and a purpose of normally starting the vehicle-borne terminal in a low temperature environment is achieved.
Description
Technical field
The utility model relates to the car-mounted device field, particularly, relates to a kind of vehicle intelligent terminal low-temperature protection device.
Background technology
Along with automobile is popularized widely, vehicle operating is under different environment temperatures, and car-mounted terminal also need to move under different environment temperatures, particularly at some, local temperature can be below-20 degrees centigrade, so just require car-mounted terminal can normally starting below-20 degrees centigrade and function can normally be used.The minimum operating ambient temperature of a lot of components and parts on car-mounted terminal can only reach more than-20 degrees centigrade, if so when in time below-20 degrees centigrade, start car-mounted terminal, can be because of some components and parts because the temperature reason occurs abnormal, finally cause car-mounted terminal to start abnormal, for example flower shields, Bai Ping, the abnormality such as even can't start.
The utility model content
The purpose of this utility model is, for the problems referred to above, proposes a kind of vehicle intelligent terminal low-temperature protection device, with the advantage that realizes that car-mounted terminal can normally start under low temperature environment.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of vehicle intelligent terminal low-temperature protection device; comprise microprocessor, CPU, Thin Film Transistor-LCD, radio receiver module, temperature sensor, audio processing module and power amplifier module; described microprocessor and temperature sensor are electrically connected to, and described CPU, Thin Film Transistor-LCD, radio receiver module, audio processing module and power amplifier module all are connected electrically on microprocessor.
Further, described temperature sensor adopts the LM75ADP chip, and described LM75ADP chip adopts the I2C bus to be connected with microprocessor.
Further, described Thin Film Transistor-LCD adopts 7 cun backlit display screen.
Further, described CPU, Thin Film Transistor-LCD, radio receiver module, audio processing module and power amplifier module are connected with the GPIO port of microprocessor.
Further, the output terminal of described rate amplification module is electrically connected to 4 loudspeaker.
Further, described radio receiver module and audio processing module also are connected on microprocessor by the I2C bus.
The technical solution of the utility model has following beneficial effect:
The technical solution of the utility model, by sensor is set, when detecting ambient temperature lower than the car-mounted terminal normal temperature, by controlling CPU, radio receiver module, audio processing module and power amplifier module energising, the heat that utilizes the electronic devices and components energising to produce carries out preheating for car-mounted terminal, when temperature reaches the car-mounted terminal normal temperature, then control car-mounted terminal by microprocessor and normally start, reached the purpose that car-mounted terminal can normally start under low temperature environment.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The accompanying drawing explanation
Fig. 1 is the described vehicle intelligent terminal low-temperature protection of the utility model embodiment principle of device electronic circuitry;
The electronic circuitry that Fig. 2 is the described amplifying circuit of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
As shown in Figure 1; a kind of vehicle intelligent terminal low-temperature protection device; comprise microprocessor (MCU), CPU, Thin Film Transistor-LCD (TFT-LCD), radio receiver module, temperature sensor, audio processing module and power amplifier module; microprocessor and temperature sensor are electrically connected to, and CPU, Thin Film Transistor-LCD, radio receiver module, audio processing module and power amplifier module all are connected electrically on microprocessor.
Wherein, temperature sensor adopts the LM75ADP chip, and the LM75ADP chip adopts the I2C bus to be connected with microprocessor.Thin Film Transistor-LCD adopts 7 cun backlit display screen.The GPIO(universal input of CPU, Thin Film Transistor-LCD, radio receiver module, audio processing module and power amplifier module and microprocessor/output) port is connected.The output terminal of rate amplification module is electrically connected to 4 loudspeaker.Radio receiver module and audio processing module also are connected on microprocessor by the I2C bus.
Amplifying circuit in power amplifier module as shown in Figure 2, comprise transport and placing device A1, transport and placing device A2 and transport and placing device A3, resistance in series R1 successively between the inverting input of the in-phase input end of transport and placing device A1 and transport and placing device A2, resistance R 2, adjustable resistance R3, resistance R 5 and resistance R 6, the adjustable end of adjustable resistance R3 is connected on the 10V direct supply by resistance R 4, series connection adjustable resistance R8 between the in-phase input end of the inverting input of transport and placing device A1 and transport and placing device A2, resistance in series R7 between the output terminal of transport and placing device A1 and inverting input, resistance in series R9 between the output terminal of transport and placing device A2 and in-phase input end, resistance in series R10 between the inverting input of the output terminal of transport and placing device A1 and transport and placing device A3, resistance in series R11 between the in-phase input end of the output terminal of transport and placing device A2 and transport and placing device A3, resistance in series R12 between the inverting input of transport and placing device A3 and output terminal, resistance in series R13 and voltage stabilizing diode D1 between the in-phase input end of transport and placing device A3 and output terminal, the cathodic electricity of voltage stabilizing diode D1 is connected to the output terminal of transport and placing device A3, the anode of described voltage stabilizing diode D1 and resistance R 13 are electrically connected to.
Its principle of work is, MCU is by the temperature of I2C bus reading temperature sensor, thereby obtain temperature information in terminal, after terminal powers on, after the MCU initialization completes, just by the temperature in the temperature sensor reading terminals, if temperature is higher than-18 degrees centigrade, MCU just normally starts terminal so, otherwise MCU connects CPU, Thin Film Transistor-LCD, radio receiver module, the partial circuit of audio processing module and power amplifier module, terminal is heated, until the MCU detected temperatures is higher than-18 degrees centigrade, MCU closes the line related switch again, again normally start terminal.
After starting terminal, as MCU, from LM75ADP, read temperature lower than-18 degrees centigrade, MCU controls and does not open Thin Film Transistor-LCD by GPIO, and control to CPU by GPIO, radio receiver module, the audio processing module, power amplification circuit powers on, and make audio processing module and radio receiver module work by I2C, allow the large and less demanding components and parts of environment temperature of terminal internal heat generation amount work together, after conducting by heat, temperature in terminal is raise, after MCU reads the LM75ADP temperature again and reaches more than-18 degrees centigrade, close again corresponding power supply, again normally start, 7 cun backlight opening of TFT, complete low-temperature prewarming protection start-up performance.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment, the utility model is had been described in detail, for a person skilled in the art, its technical scheme that still can put down in writing aforementioned each embodiment is modified, or part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a vehicle intelligent terminal low-temperature protection device; it is characterized in that; comprise microprocessor, CPU, Thin Film Transistor-LCD, radio receiver module, temperature sensor, audio processing module and power amplifier module; described microprocessor and temperature sensor are electrically connected to, and described CPU, Thin Film Transistor-LCD, radio receiver module, audio processing module and power amplifier module all are connected electrically on microprocessor.
2. vehicle intelligent terminal low-temperature protection device according to claim 1, is characterized in that, described temperature sensor adopts the LM75ADP chip, and described LM75ADP chip adopts the I2C bus to be connected with microprocessor.
3. vehicle intelligent terminal low-temperature protection device according to claim 1, is characterized in that, described Thin Film Transistor-LCD adopts 7 cun backlit display screen.
4. according to claim 1,2 or 3 described vehicle intelligent terminal low-temperature protection devices; it is characterized in that, described CPU, Thin Film Transistor-LCD, radio receiver module, audio processing module and power amplifier module are connected with the GPIO port of microprocessor.
5. vehicle intelligent terminal low-temperature protection device according to claim 4, is characterized in that, the output terminal of described rate amplification module is electrically connected to 4 loudspeaker.
6. vehicle intelligent terminal low-temperature protection device according to claim 4, is characterized in that, described radio receiver module and audio processing module also are connected on microprocessor by the I2C bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204277349U CN203338175U (en) | 2013-07-18 | 2013-07-18 | Vehicle-borne intelligent terminal low temperature protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204277349U CN203338175U (en) | 2013-07-18 | 2013-07-18 | Vehicle-borne intelligent terminal low temperature protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203338175U true CN203338175U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204277349U Expired - Lifetime CN203338175U (en) | 2013-07-18 | 2013-07-18 | Vehicle-borne intelligent terminal low temperature protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203338175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412589A (en) * | 2013-07-18 | 2013-11-27 | 江苏中科天安智联科技有限公司 | Low-temperature protection device of vehicle-mounted intelligent terminal |
-
2013
- 2013-07-18 CN CN2013204277349U patent/CN203338175U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412589A (en) * | 2013-07-18 | 2013-11-27 | 江苏中科天安智联科技有限公司 | Low-temperature protection device of vehicle-mounted intelligent terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU TIAN'AN ZHILIAN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: JIANGSU CAS-TIAN'AN SMART SCIENCE + TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 214000 Jiangsu New District of Wuxi, Taihu international science and Technology Parks Linghu Road No. 200 Chinese Sensor Network International Innovation Park E building 10 floor Patentee after: JIANGSU TIANAN SMART SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 214000 Jiangsu New District of Wuxi, Taihu international science and Technology Parks Linghu Road No. 200 Chinese Sensor Network International Innovation Park E building 10 floor Patentee before: JIANGSU CAS-TIANAN SMART SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |