CN217006112U - Power line temperature monitoring device - Google Patents
Power line temperature monitoring device Download PDFInfo
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- CN217006112U CN217006112U CN202220803496.6U CN202220803496U CN217006112U CN 217006112 U CN217006112 U CN 217006112U CN 202220803496 U CN202220803496 U CN 202220803496U CN 217006112 U CN217006112 U CN 217006112U
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Abstract
The utility model discloses a power line temperature monitoring device, comprising: the temperature acquisition device is arranged on the power transmission line, is used for detecting the temperature of the power transmission line and sending the temperature to the temperature monitoring device, and comprises a temperature acquisition sensor, a temperature acquisition single chip microcomputer and a signal emission chip, wherein the temperature acquisition sensor is electrically connected with the temperature acquisition single chip microcomputer, and the temperature acquisition single chip microcomputer is electrically connected with the signal emission chip; the temperature monitoring device is arranged on a tower, is used for uploading received line temperature data to the Internet, and comprises a signal receiving chip, a signal receiving single chip microcomputer and a 4G module, wherein the signal receiving chip is electrically connected with the signal receiving single chip microcomputer, and the signal receiving single chip microcomputer is electrically connected with the 4G module; the power supply device supplies power to the temperature acquisition device and the temperature monitoring device, can monitor the temperature of the power line in real time, reduces the labor cost, is more convenient to monitor, and can be used for monitoring the temperature of the power transmission line of the tower.
Description
Technical Field
The utility model relates to the technical field of electrical engineering, in particular to a power line temperature monitoring device.
Background
The electric wire tower is the important facility of electric power department, can overhead wire and play the effect of protection and support, at present, the temperature detection work to each electric wire tower cable uses the manual work to patrol and examine and infrared camera monitoring is leading usually, because the quantity of electric wire tower is more, the manual work intensity of carrying out temperature detection is great, and efficiency is also not high, uses infrared camera monitoring to need install on each electric wire tower, and the cost is higher.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a power line temperature monitoring device, which solves the problems of high working strength, low efficiency and high cost in the prior art of manually detecting the temperature of a tower power transmission line.
The purpose of the utility model is realized by the following steps: a power line temperature monitoring device comprising:
the temperature acquisition device is arranged on the power transmission line, is used for detecting the temperature of the power transmission line and sending the temperature to the temperature monitoring device, and comprises a temperature acquisition sensor, a temperature acquisition single chip microcomputer and a signal emission chip, wherein the temperature acquisition sensor is electrically connected with the temperature acquisition single chip microcomputer, and the temperature acquisition single chip microcomputer is electrically connected with the signal emission chip;
the temperature monitoring device is arranged on a tower, is used for uploading received line temperature data to the Internet, and comprises a signal receiving chip, a signal receiving single chip microcomputer and a 4G module, wherein the signal receiving chip is connected with the signal receiving single chip microcomputer, and the signal receiving single chip microcomputer is electrically connected with the 4G module;
and the power supply device supplies power for the temperature acquisition device and the temperature monitoring device.
When the temperature monitoring device works, a temperature acquisition sensor in the temperature acquisition device acquires the temperature of a line and sends the acquired temperature to the signal sending single chip microcomputer, the acquired temperature is sent to the temperature monitoring device arranged on a tower through the signal sending chip after being processed, a signal receiving signal in the temperature monitoring device receives temperature data and then sends the temperature data to the signal receiving single chip microcomputer, and the signal receiving single chip microcomputer uploads the temperature data to the internet through the 4G module; the process power supply unit supplies power to the entire system.
Compared with the prior art, the utility model has the beneficial effects that:
the temperature of the power transmission line can be monitored in real time by using the system, and the power transmission line is collected at the pole tower and then uploaded to the Internet.
As a further limitation of the present invention, the power supply device includes a temperature acquisition power supply unit and a temperature monitoring power supply unit;
the temperature acquisition power supply unit comprises an acquisition end photovoltaic panel, the acquisition end photovoltaic panel is connected with the input end of the storage battery through a Boost voltage boosting circuit, and the output end of the storage battery is connected with the temperature acquisition device through a Buck voltage reducing circuit;
the temperature monitoring power supply unit comprises a monitoring end photovoltaic panel, the collection end photovoltaic panel is connected with a lithium battery, and the lithium battery is connected with the temperature monitoring device through a voltage conversion circuit and a switching power supply chip.
The photovoltaic power generation self-powered solar energy water heater realizes self power supply in a photovoltaic power generation mode, and is safer to use and lower in cost.
AS a further limitation of the present invention, the Buck voltage reduction circuit employs a three-terminal regulator AS 1117. So that the 5V voltage is more conveniently converted into 3.3V.
As a further limitation of the utility model, the temperature acquisition sensor is formed by matching a bridge circuit with a platinum thermal resistor Pt100, the temperature acquisition singlechip is an STM32L031F6P6 singlechip, and the signal emission chip is an E107-SC01 data communication module. Therefore, the specific equipment is lower in cost and more stable and reliable.
As a further limitation of the utility model, the signal receiving chip adopts an E107-SC01 data communication module, the signal receiving singlechip adopts an STM32F103VET6 singlechip, and the 4G module adopts an USR-LTE-7S4 module. Therefore, the specific equipment is lower in cost and more stable and reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic diagram of a temperature acquisition sensor circuit according to the present invention.
FIG. 3 is a schematic diagram of an STM32L031F6P6 single-chip microcomputer in the utility model.
FIG. 4 is a schematic diagram of two E107-SC01 data communication modules according to the present invention.
FIG. 5 is a schematic diagram of an STM32F103VET6 single-chip microcomputer in the utility model.
FIG. 6 is a schematic diagram of a USR-LTE-7S4 module in the present invention.
Fig. 7 is a schematic diagram of a temperature acquisition power supply unit in the utility model.
FIG. 8 is a schematic diagram of a Buck voltage reduction circuit of the present invention.
Fig. 9 is a schematic diagram of a temperature monitoring power supply unit in the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An electric power line temperature monitoring apparatus as shown in fig. 1, comprising:
the temperature acquisition device is arranged on the power transmission line, is used for detecting the temperature of the power transmission line and sending the temperature to the temperature monitoring device, and comprises a temperature acquisition sensor, a temperature acquisition single chip microcomputer and a signal emission chip, wherein the temperature acquisition sensor is electrically connected with the temperature acquisition single chip microcomputer, and the temperature acquisition single chip microcomputer is electrically connected with the signal emission chip;
the temperature monitoring device is arranged on a tower, is used for uploading received line temperature data to the Internet, and comprises a signal receiving chip, a signal receiving single chip microcomputer and a 4G module, wherein the signal receiving chip is connected with the signal receiving single chip microcomputer, and the signal receiving single chip microcomputer is electrically connected with the 4G module;
the tower inclination angle sensor is arranged on the tower and used for detecting the tower inclination angle and sending the signal to the signal receiving single chip microcomputer;
and the power supply device supplies power for the temperature acquisition device, the temperature monitoring device and the tower inclination angle sensor.
The temperature acquisition sensors in the temperature acquisition device are provided with a plurality of sensors for respectively acquiring three phases, the temperature acquisition sensors are shown in figure 2, an electric bridge method is adopted to measure the temperature of a power line, a platinum thermal resistor Pt100 is matched to form the sensors, the R15 and R16 values in an electric bridge influence the anti-interference performance and power consumption of a circuit, the requirement of system power consumption is considered, a resistance compromise scheme is selected, and 910 ohms are selected; in order to enable the measured temperature signal to be transmitted to an STM32L031F6P6 single chip microcomputer (as shown in FIG. 3) and then be displayed through digital-to-analog conversion, a circuit of an instrument amplifier is formed by connecting R17, R19, R30, R18, R22, R24, R25, R31 and R26 resistors through three operational amplifiers in a follow-up circuit, the fact that the input impedance of a bridge is large is guaranteed, the AD pin of the STM32L031F6P6 single chip microcomputer is conveniently connected when the output voltage value of the bridge is 0-3.3V, a diode D5 plays a role in filtering and rectifying, the obtained 3.3V voltage is guaranteed to be stable, and capacitors C14 and C15 play a role in filtering; the signal transmitting chip adopts an E107-SC01 data communication module, as shown in FIG. 4.
A signal receiving single chip microcomputer in the temperature monitoring device is an STM32F103VET6 single chip microcomputer (shown in figure 5), a signal receiving chip is also an E107-SC01 data communication module, the E107-SC01 data communication module has low power consumption when a sending end is in a static state, can enter a dormant state, can achieve the communication distance of 110 meters after actual measurement, has the maximum transmitting power of +5dBm and can support multistage adjustment of software, has good anti-interference capability when frequency hopping data transmission is wirelessly adopted, has extremely high transmission efficiency in air rate data up to 1Mbps, can achieve multi-packet simultaneous work in the same area range, uniformly transmits a plurality of temperature data after being subjected to transfer to an uploading module for 4G uploading, and uses a USR-LTE-7S4 module in the data uploading module, as shown in figure 6; the module is exquisite in shape and has a complete function, so that the module is widely suitable for various 4G and 3G operator networks; the capacitors C1 and C2 can play a role in filtering.
The power supply device comprises a temperature acquisition power supply unit and a temperature monitoring power supply unit.
The temperature acquisition power supply unit comprises an acquisition end photovoltaic panel, the acquisition end photovoltaic panel is connected with the input end of a storage battery through a Boost voltage boosting circuit, and the output end of the storage battery is connected with the temperature acquisition device through a Buck voltage reducing circuit; as shown in fig. 7, the temperature acquisition power supply unit charges a storage battery with a standard voltage of 3.7V through two 5V photovoltaic panels, and the storage battery is used as a power supply source of the whole system; however, because the storage battery is in a charging state for a long time, the output voltage of the storage battery fluctuates between 3.5V and 4.2V, and the requirement of system stability cannot be met, a Boost circuit needs to be added, the voltage output by the storage battery is boosted to obtain stable 5V voltage for output, the value of the inductor L in the circuit has the function of boosting the voltage after storing energy greatly, and the value of the capacitor C is large, so that the output voltage can be basically kept at a stable amplitude value; meanwhile, because the STM32L031F6P6 singlechip needs stable 3.3V power supply, 5V power supply voltage needs to be converted into stable 3.3V voltage through three-terminal regulator AS1117-3.3 to supply power for the STM32L031F6P6 singlechip, AS shown in fig. 8, in order to ensure the accuracy of temperature acquisition link data, it needs to provide accurate 3.3V power supply voltage for the bridge circuit, here, a TL431 chip is used to output an extremely accurate 2.5V voltage, and then, a precise operational amplifier is used to amplify the 2.5V voltage to 3.3V for bridge power supply, the accuracy of operational amplifier amplification must be ensured in the process, and therefore, two resistors R9 and R27 in the operational amplifier circuit need to be accurate to a thousandth level.
The temperature monitoring power supply unit comprises a monitoring end photovoltaic panel, a collection end photovoltaic panel is connected with a lithium battery, the lithium battery is connected with a temperature monitoring device through a voltage conversion circuit and a switching power supply chip, as shown in figure 9, the photovoltaic panel of about 50W supplies power to a 12V lithium battery, and the 12V lithium battery is connected with a power supply voltage conversion circuit, wherein in order to avoid the defect that the loss of a linear power supply is large under the condition of large voltage drop, the linear power supply is not used in the process of changing 12V into 5V, but a DC/DC switching power supply chip is adopted, and then 5V is converted into 3.3V power supply voltage through the technology of connecting C6, C7, C8 and C9 capacitors to form a three-terminal regulator circuit, the loss can be reduced, and because the voltage drop from 5V to a receiving end chip is small, a stable linear power supply can be adopted for conversion in the conversion process, meanwhile, the problem of overlarge loss is not worried about.
The above description of the embodiments is only intended to facilitate the understanding of the method of the utility model and its core idea. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, it is possible to make various improvements and modifications to the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (5)
1. An electric power line temperature monitoring device, comprising:
the temperature acquisition device is arranged on the power transmission line, is used for detecting the temperature of the power transmission line and sending the temperature to the temperature monitoring device, and comprises a temperature acquisition sensor, a temperature acquisition single chip microcomputer and a signal emission chip, wherein the temperature acquisition sensor is connected with the temperature acquisition single chip microcomputer, and the temperature acquisition single chip microcomputer is electrically connected with the signal emission chip;
the temperature monitoring device is arranged on a tower, is used for uploading received line temperature data to the Internet, and comprises a signal receiving chip, a signal receiving single chip microcomputer and a 4G module, wherein the signal receiving chip is connected with the signal receiving single chip microcomputer, and the signal receiving single chip microcomputer is electrically connected with the 4G module;
and the power supply device supplies power for the temperature acquisition device and the temperature monitoring device.
2. The power line temperature monitoring device according to claim 1, wherein the power supply device includes a temperature acquisition power supply unit and a temperature monitoring power supply unit;
the temperature acquisition power supply unit comprises an acquisition end photovoltaic panel, the acquisition end photovoltaic panel is connected with the input end of the storage battery through a Boost voltage boosting circuit, and the output end of the storage battery is connected with the temperature acquisition device through a Buck voltage reducing circuit;
the temperature monitoring power supply unit comprises a monitoring end photovoltaic panel, the collection end photovoltaic panel is connected with a lithium battery, and the lithium battery is connected with the temperature monitoring device through a voltage conversion circuit and a switching power supply chip.
3. The power line temperature monitoring device according to claim 2, wherein the Buck voltage reduction circuit employs a three-terminal regulator AS 1117.
4. The power line temperature monitoring device according to any one of claims 1 to 3, wherein the temperature acquisition sensor is formed by a bridge circuit and a platinum thermal resistor Pt100, the temperature acquisition singlechip is an STM32L031F6P6 singlechip, and the signal transmission chip is an E107-SC01 data communication module.
5. The power line temperature monitoring device according to any one of claims 1 to 3, wherein the signal receiving chip adopts an E107-SC01 data communication module, the signal receiving singlechip adopts an STM32F103VET6 singlechip, and the 4G module adopts an USR-LTE-7S4 module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220803496.6U CN217006112U (en) | 2022-04-08 | 2022-04-08 | Power line temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220803496.6U CN217006112U (en) | 2022-04-08 | 2022-04-08 | Power line temperature monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217006112U true CN217006112U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220803496.6U Active CN217006112U (en) | 2022-04-08 | 2022-04-08 | Power line temperature monitoring device |
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| CN (1) | CN217006112U (en) |
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- 2022-04-08 CN CN202220803496.6U patent/CN217006112U/en active Active
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