CN209102134U - A kind of Temperature and Humidity circuit of intelligent transportation induction changeable-message sign - Google Patents
A kind of Temperature and Humidity circuit of intelligent transportation induction changeable-message sign Download PDFInfo
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- CN209102134U CN209102134U CN201821603116.4U CN201821603116U CN209102134U CN 209102134 U CN209102134 U CN 209102134U CN 201821603116 U CN201821603116 U CN 201821603116U CN 209102134 U CN209102134 U CN 209102134U
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Abstract
The utility model discloses a kind of Temperature and Humidity circuits of intelligent transportation induction changeable-message sign, comprising: electric power management circuit, FPGA and configuration circuit, temperature sensing circuit and humidity measuring circuit.Electric power management circuit is connect with the FPGA and configuration circuit, temperature sensing circuit and humidity measuring circuit, for providing supply voltage.FPGA and configuration circuit are connect with the temperature sensing circuit, interaction transmitting data.Humidity measuring circuit is connect with FPGA and configuration circuit, unidirectionally sends data to FPGA and configuration circuit.The utility model has many advantages, such as that circuit structure is simple, detection range is wide, precision is high, at low cost.
Description
Technical field
The utility model relates to a kind of Temperature and Humidity circuits of intelligent transportation induction changeable-message sign, belong to circuit control
Technical field processed.
Background technique
Intelligent transportation induction changeable-message sign is the important equipment of traffic condition and guidance information publication, has figure
Shape and text importing effect, can be used for urban transportation, rail traffic and highway.And different application scenarios there are temperature,
The environmental differences such as humidity can induce the normal use of changeable-message sign to have an impact intelligent transportation, so that it flower is occurred and shield, is dizzy
Phenomena such as light even powers off, causes traffic that can not indicate, is easy to appear traffic accident, cause traffic paralysis.
Utility model content
In order to overcome the deficiencies of the prior art, a kind of Temperature and Humidity electricity of intelligent transportation induction changeable-message sign is provided
Road, structure is simple, cheap, convenient for promoting the use of.
The utility model is achieved through the following technical solutions:
A kind of Temperature and Humidity circuit of intelligent transportation induction changeable-message sign, including electric power management circuit, FPGA and
Configuration circuit, temperature sensing circuit and humidity measuring circuit, the electric power management circuit connect temperature sensing circuit, FPGA simultaneously
And configuration circuit and humidity measuring circuit, for providing supply voltage；The FPGA and configuration circuit and temperature detection electricity
Feedback link, interaction transmitting data, the humidity measuring circuit are connect with the FPGA and configuration circuit each other on road, unidirectionally give institute
It states FPGA and configuration circuit sends data.
Further: the FPGA and configuration circuit include XC6SLX16-2FTG256I chip, the XC6SLX16-
2FTG256I chip is provided with the port VCC1, the port IO_A5, the port IO_B5 and the port GND1, and the port VCC1 connects power supply
VCC, the port GND1 connect ground terminal GND.
Further: the humidity measuring circuit includes TLC555IDR chip, and the TLC555IDR chip is provided with
The port VCC2, the port GND2, the port RST, the port DIS, the port THR, the port CONT, the port TRIG and OUT terminal mouth, the IO_
The port A5 is connect with OUT terminal mouth.
Further: the temperature sensing circuit includes DS18B20Z chip, and the DS18B20Z chip is provided with
The port VCC3, the port DQ and the port GND3, the port IO_B5 are connect with the port DQ, and the port VCC3 connects power supply VCC,
The port GND3 is connected to electric wire ground terminal GND.
Further: the humidity measuring circuit is the multivibrator constituted with TLC555IDR chip, the VCC2
Port, which connects power supply VCC, one end of the port the RST connection resistance R1, the port TRIG and the port THR and connects, is followed by electricity
The junction of R2 and variable capacitance C1 are hindered, the other end of the variable capacitance C1 connects ground terminal GND, and the port DIS is connected to
The junction of the resistance R1 and resistance R2, one end of the port CONT connection resistance R3, the other end of the resistance R3 with
Ground terminal GND connection, the port GND2 are connected to ground terminal GND.
Further: the power supply VCC voltage is 3.3V.
The beneficial effects of the utility model are: a kind of temperature and humidity of intelligent transportation induction changeable-message sign of the utility model
Detection circuit has many advantages, such as circuit structure simple, high sensitivity, fast response time, at low cost.Temperature and humidity letter can be acquired in real time
Breath sends monitoring center computer to by communication interface, and monitoring center is enable to grasp intelligent transportation induction variable information mark at any time
Situations such as operation conditions of will takes counter-measure in time, prevents flower screen, dazzle occurs.
Detailed description of the invention
Fig. 1 is the system structure diagram of the utility model,
Fig. 2 is the Temperature and Humidity circuit diagram of the utility model.
Specific embodiment
Embodiment further illustrates the utility model with reference to the accompanying drawing.
In conjunction with Fig. 1, this intelligent transportation induces the Temperature and Humidity circuit of changeable-message sign, and composition includes: power supply pipe
Circuit is managed, electric power management circuit is connect with FPGA and configuration circuit, temperature sensing circuit and humidity measuring circuit, for providing confession
Piezoelectric voltage, FPGA and configuration circuit and temperature sensing circuit are connected with each other, interaction transmitting data, humidity measuring circuit and FPGA and
Configuration circuit connection, unidirectionally sends data to FPGA and configuration circuit.
In conjunction with Fig. 2, FPGA and configuration circuit include XC6SLX16-2FTG256I chip, XC6SLX16-2FTG256I chip
It is provided with the port VCC1, the port IO_A5, the port IO_B5, the port GND1, humidity measuring circuit includes TLC555IDR chip,
TLC555IDR chip is provided with the port VCC2, the port GND2, the port RST, the port DIS, the port THR, the port CONT, the end TRIG
Mouthful, OUT terminal mouth, temperature sensing circuit includes DS18B20Z chip, DS18B20Z chip be provided with the port VCC3, the port DQ and
The port GND3；The port VCC1 is connect by conducting wire with supply voltage VCC3V3, for providing supply voltage, the port IO_A5 and OUT
Port connection, the port IO_B5 are connect with the port DQ, and the port GND1 is connected to ground terminal GND；Humidity measuring circuit is to use
The multivibrator that TLC555IDR chip is constituted, the port VCC2 are connect with supply voltage VCC3V3, and the port RST connects resistance R1
One end, the port TRIG and the port THR simultaneously connect the junction for being followed by resistance R2 and variable capacitance C1, and variable capacitance C1's is another
End connection ground terminal GND, the port DIS are connected to resistance R1, the junction of R2, and the port CONT connects one end of resistance R3, resistance R3
The other end connect with ground terminal GND, the port GND2 is connected to ground terminal GND；The port VCC3 is connect with supply voltage VCC3V3,
The port GND3 is connected to electric wire ground terminal GND.
The working principle of the utility model is: a kind of temperature and humidity of intelligent transportation induction changeable-message sign of the utility model
Detection circuit, the capacitance of variable capacitance C1 change with external environment humidity and are changed, and cause the variation of oscillation frequency, FPGA and match
Circuits detect the variation of concussion rate and release relative humidity according to corresponding calculation formula is counter.DS18B20Z chip will measure
Temperature FPGA and configuration circuit are sent to by the port DQ.
The above descriptions are merely preferred embodiments of the present invention, is not limited to utility model.In embodiment
It is only the working principle for illustrating the utility model by taking the Temperature and Humidity circuit of intelligent transportation induction changeable-message sign as an example,
It is not limited in the Temperature and Humidity circuit of intelligent transportation induction changeable-message sign.It is all utility model spirit and principle it
Interior, any modification, equivalent replacement, improvement and so on should be included within the protection scope of utility model.
Claims (6)
1. a kind of Temperature and Humidity circuit of intelligent transportation induction changeable-message sign, it is characterised in that: including power management electricity
Road, FPGA and configuration circuit, temperature sensing circuit and humidity measuring circuit, the electric power management circuit connect temperature detection simultaneously
Circuit, FPGA and configuration circuit and humidity measuring circuit, for providing supply voltage；The FPGA and configuration circuit and the temperature
Detection circuit feedback link each other, interaction transmitting data are spent, the humidity measuring circuit is connect with the FPGA and configuration circuit,
Unidirectionally data are sent to the FPGA and configuration circuit.
2. a kind of Temperature and Humidity circuit of intelligent transportation induction changeable-message sign according to claim 1, feature
Be: the FPGA and configuration circuit include XC6SLX16-2FTG256I chip, and the XC6SLX16-2FTG256I chip is set
It is equipped with the port VCC1, the port IO_A5, the port IO_B5 and the port GND1, the port VCC1 connects power supply VCC, the end GND1
Mouth connection ground terminal GND.
3. a kind of Temperature and Humidity circuit of intelligent transportation induction changeable-message sign according to claim 2, feature
Be: the humidity measuring circuit includes TLC555IDR chip, and the TLC555IDR chip is provided with the port VCC2, the end GND2
Mouth, the port RST, the port DIS, the port THR, the port CONT, the port TRIG and OUT terminal mouth, the port IO_A5 and OUT terminal mouth
Connection.
4. a kind of Temperature and Humidity circuit of intelligent transportation induction changeable-message sign according to claim 3, feature
Be: the temperature sensing circuit includes DS18B20Z chip, the DS18B20Z chip be provided with the port VCC3, the port DQ and
The port GND3, the port IO_B5 are connect with the port DQ, and the port VCC3 connects power supply VCC, and the port GND3 is connected to
Electric wire ground terminal GND.
5. a kind of Temperature and Humidity circuit of intelligent transportation induction changeable-message sign according to claim 4, feature
Be: the humidity measuring circuit is the multivibrator constituted with TLC555IDR chip, and the port VCC2 connects power supply
VCC, one end of the port RST connection resistance R1, the port TRIG and the port THR simultaneously connect and are followed by resistance R2 and can power transformation
Hold the junction of C1, the other end of the variable capacitance C1 connects ground terminal GND, the port DIS be connected to the resistance R1 and
The junction of resistance R2, one end of the port the CONT connection resistance R3, the other end and ground terminal GND of the resistance R3 connect
It connects, the port GND2 is connected to ground terminal GND.
6. according to a kind of Temperature and Humidity circuit of any intelligent transportation induction changeable-message sign of claim 2-5,
It is characterized by: the power supply VCC voltage is 3.3V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821603116.4U CN209102134U (en) | 2018-09-29 | 2018-09-29 | A kind of Temperature and Humidity circuit of intelligent transportation induction changeable-message sign |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821603116.4U CN209102134U (en) | 2018-09-29 | 2018-09-29 | A kind of Temperature and Humidity circuit of intelligent transportation induction changeable-message sign |
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| Publication Number | Publication Date |
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| CN209102134U true CN209102134U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821603116.4U Active CN209102134U (en) | 2018-09-29 | 2018-09-29 | A kind of Temperature and Humidity circuit of intelligent transportation induction changeable-message sign |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491125A (en) * | 2019-08-20 | 2019-11-22 | 江苏金晓电子信息股份有限公司 | A kind of traffic prewarning guidance information generation method |
-
2018
- 2018-09-29 CN CN201821603116.4U patent/CN209102134U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491125A (en) * | 2019-08-20 | 2019-11-22 | 江苏金晓电子信息股份有限公司 | A kind of traffic prewarning guidance information generation method |
| CN110491125B (en) * | 2019-08-20 | 2022-03-04 | 江苏金晓电子信息股份有限公司 | Traffic early warning induction information generation method |
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