CN209764004U - Icing thickness measuring device based on variable-medium capacitive sensor - Google Patents
Icing thickness measuring device based on variable-medium capacitive sensor Download PDFInfo
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- CN209764004U CN209764004U CN201920764822.5U CN201920764822U CN209764004U CN 209764004 U CN209764004 U CN 209764004U CN 201920764822 U CN201920764822 U CN 201920764822U CN 209764004 U CN209764004 U CN 209764004U
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Abstract
The utility model discloses an icing thickness measurement device based on become medium capacitive sensor, including connecting in the lightning conductor at two iron tower tops, the lightning conductor still is connected with capacitive sensor, capacitive sensor is connected with the electric capacity plate electrode again, the electric capacity plate electrode is located one section distance department above the lightning conductor, capacitive sensor still in proper order with electric capacity measuring unit, a control unit, wireless communication unit connects, still be provided with on the lightning conductor and get and can the mutual-inductor, get and can the mutual-inductor in proper order with power management unit, the electric capacity battery, a control unit connects, still be provided with temperature and humidity sensor on being close to capacitive sensor's the iron tower, temperature and humidity sensor respectively with the electric capacity battery, a control unit connects. The utility model provides high transmission line icing thickness measurement's accuracy can carry out real-time supervision to transmission line's icing state to the maintainer has done the prevention in advance, reduces the emergence of accident, reduces economic loss.
Description
Technical Field
The utility model belongs to the technical field of transmission line icing monitoring, concretely relates to icing thickness measurement device based on become medium capacitive sensor.
background
The icing of the power transmission line is one of serious natural disasters of the power system, and the icing of the power transmission line can cause a series of accidents, seriously affect the reliability of the power transmission line, affect the safe and stable operation of the power system and bring about huge economic loss. Therefore, the method has very important significance for monitoring the icing of the power transmission line and giving early warning in advance.
at present, methods for monitoring icing of a power transmission line include: an image method, a weighing method, an analog lead method, an inclination angle sag method, a capacitance icing thickness measurement method and the like. The image method is used for acquiring information such as icing thickness of the power transmission line by using an image processing technology, but the information is easily influenced by severe weather, so that related data cannot be completely acquired, and the image method can only be used as an auxiliary monitoring means; the weighing method is characterized in that a force sensor is used for measuring the vertical load added by the ice coating of the wire, so that the ice coating thickness of the wire is calculated, but the force sensor has the characteristics of nonlinearity, zero drift and the like, and the stability, reliability and measurement accuracy of the device can be influenced after long-term operation; the simulation wire method is to estimate the ice coating thickness of the actual wire by using the ice coating thickness of the simulation circuit, but the operation condition of the simulation circuit is different from the operation condition of the actual circuit, and the predicted ice coating thickness of the wire has a certain error; the dip angle sag method measures the dip angle and sag change of a wire by using an angle sensor, calculates data such as wire icing thickness and the like through related parameters, but the sensor is easily interfered by external factors, so that measurement errors occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an icing thickness measurement device based on become medium capacitive sensor improves transmission line icing thickness measurement's accuracy, can carry out real-time supervision to transmission line's icing state to the maintainer is done the prevention in advance, reduces the emergence of accident, reduces economic loss.
The utility model provides an adopted technical scheme is, an icing thickness measurement device based on become medium capacitive sensor, including connecting in the lightning conductor at two iron tower tops, the lightning conductor still is connected with capacitive sensor, capacitive sensor is connected with the electric capacity plate electrode again, the electric capacity plate electrode is located one section distance department in lightning conductor top, capacitive sensor still in proper order with electric capacity measuring unit, a control unit, wireless communication unit connects, still be provided with on the lightning conductor and get and can the mutual-inductor, get and can the mutual-inductor in proper order with power management unit, the electric capacity battery, the control unit is connected, still be provided with temperature and humidity sensor on being close to capacitive sensor's the iron tower, temperature and humidity sensor respectively with the electric capacity battery, the control unit is connected.
The utility model is also characterized in that,
And a lightning protection unit is also arranged on the lightning conductor between the capacitive sensor and the iron tower close to the capacitive sensor, and the lightning protection unit is a Transient Voltage Suppressor (TVS).
The straight line distance between the capacitance electrode plate and the lightning conductor in the vertical direction is 5-10 mm.
The control unit is a singlechip STM 32.
The power management unit is a Jinsheng Yang DC/DC power control chip.
The wireless communication unit is a macro H7210GPRS module.
the capacitance measuring unit is a Freescale MPR121 module.
The utility model has the advantages that the icing thickness measuring device based on the variable-medium capacitive sensor detects the icing thickness of the lightning conductor to obtain the icing thickness of the transmission conductor, realizes the real-time monitoring of the icing thickness and the wireless transmission of data, and provides reliable and accurate data for a monitoring center; the device has simple structure, reliability and stability, convenient and quick measurement and accurate measurement; the method can be applied to the field of monitoring of the ice coating of the transmission conductor, and can be used for monitoring the ice coating of the transmission conductor in real time.
Drawings
Fig. 1 is a schematic structural diagram of an ice coating thickness measuring device based on a variable-medium capacitive sensor according to the present invention;
FIG. 2 is a schematic diagram of the operation of a capacitance measuring unit of an ice coating thickness measuring device based on a variable-dielectric capacitive sensor according to the present invention;
Fig. 3 is the utility model relates to an icing thickness measurement device gets can mutual-inductor working principle picture based on become dielectric capacitive sensor.
In the figure, 1, a lightning conductor, 2, a capacitive electrode plate, 3, a capacitive sensor, 4, a capacitive measuring unit, 5, an energy taking mutual inductor, 6, a power management unit, 7, a capacitive battery, 8, a control unit, 9, a wireless communication unit, 10, a lightning protection unit and 11, a temperature and humidity sensor are arranged.
Detailed Description
the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to an icing thickness measurement device based on become medium capacitive sensor, the structure is as shown in figure 1, including connecting in the lightning-arrest line 1 at two iron tower tops, lightning-arrest line 1 still is connected with capacitive sensor 3, capacitive sensor 3 is connected with capacitive electrode board 2 again, capacitive electrode board 2 is located one section distance department in lightning-arrest line 1 top, capacitive sensor 3 still in proper order with electric capacity measuring unit 4, a control unit 8, wireless communication unit 9 is connected, still be provided with on the lightning-arrest line 1 and get ability mutual-inductor 5, it is in proper order with power management unit 6 to get ability mutual-inductor 5, electric capacity battery 7, the control unit 8 is connected, still be provided with temperature and humidity sensor 11 on being close to capacitive sensor 3's the iron tower, temperature and humidity sensor 11 respectively with electric capacity battery 7, the control.
the lightning protection unit 10 is further arranged on the lightning conductor 1 between the capacitive sensor 3 and the iron tower close to the capacitive sensor 3, and the lightning protection unit 10 is a transient voltage suppressor TVS.
The straight line distance between the capacitance electrode plate 2 and the lightning conductor 1 in the vertical direction is 5 mm-10 mm.
The control unit 8 is a singlechip STM 32.
The power management unit 6 is a Jinsheng yang DC/DC power control chip.
The wireless communication unit 9 is a macro-electrical H7210GPRS module.
The capacitance measuring unit 4 is a freescale MPR121 module.
The utility model relates to an among the icing thickness measurement device based on become dielectric capacitance type sensor, as shown in fig. 2, fig. 3, lightning protection unit 10 is transient voltage suppressor TVS. Considering the working environment of the device, the transient voltage suppressor TVS is used for forming a protection circuit, and when lightning of the device hits a lightning conductor, the transient voltage suppressor is turned off in time to protect the whole device from being damaged by the lightning. The control unit 8 is a single chip microcomputer STM32, and the control unit 8 controls data acquisition, data processing and data transmission and normal operation of the whole device. Specifically, the AD module of the single chip microcomputer STM32 controls the collection and transmission of the temperature and the humidity of the temperature and humidity sensor 11, determines the working mode of the device, controls the collection and transmission of data of the capacitance measuring unit 4, controls the power management unit 6 to supply power to the whole device, and controls the wireless communication unit 9 to send capacitance data. The power management unit 6 is a Jinsheng yang DC/DC power control chip, the power management unit 6 converts the voltage output by the energy-taking mutual inductor 5 into working voltage required by each unit, and reliable power supply is provided for the variable medium capacitive sensor 3, the capacitance measuring unit 4, the control unit 8, the wireless communication unit 9, the lightning protection unit 10 and the temperature and humidity sensor 11, so that normal operation of the equipment is ensured. The power management unit 6 can also control the working mode of the capacitor battery 7, the capacitor battery 7 supplies power to the whole equipment when the lead is in power failure, the reliability of power supply is improved, the wireless communication unit 9 is a macro H7210GPRS module, an industrial wireless data terminal, the wireless communication unit 9 is a GPRS wireless communication module, a mature GPRS network is relied on, data communication can be quickly established in an area covered by the network, addressing and data connection are carried out between a mobile user and a far-end data network in a routing management mode, the grouping sending and receiving of data are completed, and real-time data transmission is realized. And uninterrupted data interaction with a user can be realized, and real-time monitoring of the icing thickness is realized. The data transmitted by the control unit 8 is sent to the monitoring center through GPRS wireless communication, and the monitoring center obtains the thickness of the ice coating through data processing. The capacitance measuring unit 4 is a Freescale MPR121 module, the capacitance measuring unit 4 collects capacitance signals of the variable-medium capacitance sensor 3, the capacitance signals are converted into voltage signals and then transmitted to the control unit 8, and collection and transmission of capacitance data are achieved.
The utility model relates to an icing thickness measurement device based on become medium capacitive sensor, icing thickness measurement adopts conventional measuring means, and the measuring principle is as shown in figure 2, and the theory of operation is as follows:
1) The device is correctly arranged on an iron tower and is electrified to work;
2) The control unit 8 reads the parameters of the temperature and humidity sensor 11 and determines whether the device works according to the set parameters, the control unit 8 reads the capacitance value of the variable-medium capacitive sensor 3, and the data are transmitted to the monitoring center through the wireless communication unit 9 after being processed;
3) The monitoring center processes the received data to calculate the thickness of the ice coating, and the calculation formula is as follows:
When the transmission line is not coated with ice, the measured capacitance value is as follows:
After the transmission line is iced, the measured capacitance value is as follows:
namely, when the transmission conductor is not coated with ice, the capacitance value measured by the variable-medium capacitive sensor 3 is kept in a certain range and is not changed too much; after the transmission conductor is coated with ice, the capacitance value measured by the variable-medium capacitive sensor 3 changes, and the ice coating thickness of the conductor can be directly calculated through a formula or a compiling algorithm.
The utility model relates to an icing thickness measurement device based on become medium capacitive sensor measures the icing thickness that the wire was obtained to the icing thickness of lightning-arrest line, has reduced the error that icing thickness detected. Adopt to get the electricity on the lightning conductor of ability mutual-inductor, solved the unable normal power supply's of solar cell in bad weather such as overcast and rainy problem, improved the stability of device. The capacitor battery is a green environment-friendly power supply, has the characteristics of good temperature characteristic, long service life, high power density and the like, can work under severe conditions, and ensures reliable power supply of the device. The control unit judges whether the device works according to the data collected by the temperature and humidity sensor, for example, the device can enter a low power consumption mode in the weather where ice coating is not easy to happen, or the device can not work.
Claims (7)
1. the ice coating thickness measuring device based on the variable-medium capacitive sensor is characterized by comprising lightning wires (1) connected to the tops of two iron towers, the lightning wires (1) are further connected with the capacitive sensor (3), the capacitive sensor (3) is further connected with a capacitive electrode plate (2), the capacitive electrode plate (2) is located at a distance above the lightning wires (1), the capacitive sensor (3) is further sequentially connected with a capacitance measuring unit (4), a control unit (8) and a wireless communication unit (9), an energy taking mutual inductor (5) is further arranged on the lightning wires (1), the energy taking mutual inductor (5) is sequentially connected with a power supply management unit (6), a capacitive battery (7) and the control unit (8), a temperature and humidity sensor (11) is further arranged on the iron tower close to the capacitive sensor (3), and the temperature and humidity sensor (11) is respectively connected with the capacitive battery (7), The control unit (8) is connected.
2. The icing thickness measuring device based on the variable-medium capacitive sensor is characterized in that a lightning protection unit (10) is further arranged on the lightning conductor (1) between the capacitive sensor (3) and the iron tower close to the capacitive sensor (3), and the lightning protection unit (10) is a Transient Voltage Suppressor (TVS).
3. The icing thickness measuring device based on the variable-dielectric capacitive sensor is characterized in that the linear distance between the capacitance electrode plate (2) and the lightning conductor (1) in the vertical direction is 5-10 mm.
4. The ice coating thickness measuring device based on the variable-medium capacitive sensor is characterized in that the control unit (8) is a single chip microcomputer STM 32.
5. The icing thickness measuring device based on the variable-medium capacitive sensor is characterized in that the power management unit (6) is a Jinsheng DC/DC power control chip.
6. The device for measuring the thickness of the ice coating based on the variable-medium capacitive sensor is characterized in that the wireless communication unit (9) is a macro-electricity H7210GPRS module.
7. The device for measuring the thickness of the ice coating based on the variable-medium capacitive sensor as claimed in claim 1, wherein the capacitance measuring unit (4) is a Freescale MPR121 module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764822.5U CN209764004U (en) | 2019-05-24 | 2019-05-24 | Icing thickness measuring device based on variable-medium capacitive sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764822.5U CN209764004U (en) | 2019-05-24 | 2019-05-24 | Icing thickness measuring device based on variable-medium capacitive sensor |
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| CN209764004U true CN209764004U (en) | 2019-12-10 |
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| CN201920764822.5U Expired - Fee Related CN209764004U (en) | 2019-05-24 | 2019-05-24 | Icing thickness measuring device based on variable-medium capacitive sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928768A (en) * | 2020-07-31 | 2020-11-13 | 中国第一汽车股份有限公司 | Device and method for detecting icing of crankcase ventilation pipeline |
| CN113324467A (en) * | 2021-05-27 | 2021-08-31 | 贵州电网有限责任公司 | Device and method for monitoring equivalent icing thickness of lead based on ice dielectric capacitance effect |
-
2019
- 2019-05-24 CN CN201920764822.5U patent/CN209764004U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928768A (en) * | 2020-07-31 | 2020-11-13 | 中国第一汽车股份有限公司 | Device and method for detecting icing of crankcase ventilation pipeline |
| CN111928768B (en) * | 2020-07-31 | 2022-04-12 | 中国第一汽车股份有限公司 | Device and method for detecting icing of crankcase ventilation pipeline |
| CN113324467A (en) * | 2021-05-27 | 2021-08-31 | 贵州电网有限责任公司 | Device and method for monitoring equivalent icing thickness of lead based on ice dielectric capacitance effect |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20200524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |